diff options
Diffstat (limited to 'kernel')
97 files changed, 4571 insertions, 4762 deletions
diff --git a/kernel/.merlin.in b/kernel/.merlin.in new file mode 100644 index 0000000000..912ff61496 --- /dev/null +++ b/kernel/.merlin.in @@ -0,0 +1,8 @@ +FLG -rectypes -thread -safe-string -w +a-4-44-50 + +S ../clib +B ../clib +S ../config +B ../config +S ../lib +B ../lib diff --git a/kernel/byterun/coq_fix_code.c b/kernel/byterun/coq_fix_code.c index d5feafbf91..be2b05da8d 100644 --- a/kernel/byterun/coq_fix_code.c +++ b/kernel/byterun/coq_fix_code.c @@ -18,6 +18,7 @@ #include <caml/misc.h> #include <caml/mlvalues.h> #include <caml/fail.h> +#include <caml/alloc.h> #include <caml/memory.h> #include "coq_instruct.h" #include "coq_fix_code.h" @@ -78,38 +79,41 @@ void * coq_stat_alloc (asize_t sz) } value coq_makeaccu (value i) { - code_t q; - code_t res = coq_stat_alloc(2 * sizeof(opcode_t)); - q = res; + CAMLparam1(i); + CAMLlocal1(res); + code_t q = coq_stat_alloc(2 * sizeof(opcode_t)); + res = caml_alloc_small(1, Abstract_tag); + Code_val(res) = q; *q++ = VALINSTR(MAKEACCU); *q = (opcode_t)Int_val(i); - return (value)res; + CAMLreturn(res); } value coq_pushpop (value i) { - code_t res; - int n; - n = Int_val(i); + CAMLparam1(i); + CAMLlocal1(res); + code_t q; + res = caml_alloc_small(1, Abstract_tag); + int n = Int_val(i); if (n == 0) { - res = coq_stat_alloc(sizeof(opcode_t)); - *res = VALINSTR(STOP); - return (value)res; + q = coq_stat_alloc(sizeof(opcode_t)); + Code_val(res) = q; + *q = VALINSTR(STOP); + CAMLreturn(res); } else { - code_t q; - res = coq_stat_alloc(3 * sizeof(opcode_t)); - q = res; + q = coq_stat_alloc(3 * sizeof(opcode_t)); + Code_val(res) = q; *q++ = VALINSTR(POP); *q++ = (opcode_t)n; *q = VALINSTR(STOP); - return (value)res; + CAMLreturn(res); } } value coq_is_accumulate_code(value code){ - code_t q; + code_t q = Code_val(code); int res; - q = (code_t)code; res = Is_instruction(q,ACCUMULATE); return Val_bool(res); } @@ -132,11 +136,14 @@ value coq_is_accumulate_code(value code){ #define COPY32(dst,src) (*dst=*src) #endif /* ARCH_BIG_ENDIAN */ -value coq_tcode_of_code (value code, value size) { - code_t p, q, res; - asize_t len = (asize_t) Long_val(size); - res = coq_stat_alloc(len); - q = res; +value coq_tcode_of_code (value code) { + CAMLparam1 (code); + CAMLlocal1 (res); + code_t p, q; + asize_t len = (asize_t) caml_string_length(code); + res = caml_alloc_small(1, Abstract_tag); + q = coq_stat_alloc(len); + Code_val(res) = q; len /= sizeof(opcode_t); for (p = (code_t)code; p < (code_t)code + len; /*nothing*/) { opcode_t instr; @@ -166,5 +173,5 @@ value coq_tcode_of_code (value code, value size) { for(i=0; i<ar; i++) { COPY32(q,p); p++; q++; }; } } - return (value)res; + CAMLreturn(res); } diff --git a/kernel/byterun/coq_fix_code.h b/kernel/byterun/coq_fix_code.h index 5c85389dd5..638d6b5ab5 100644 --- a/kernel/byterun/coq_fix_code.h +++ b/kernel/byterun/coq_fix_code.h @@ -26,7 +26,7 @@ void init_arity(); #define Is_instruction(pc,instr) (*pc == VALINSTR(instr)) -value coq_tcode_of_code(value code, value len); +value coq_tcode_of_code(value code); value coq_makeaccu (value i); value coq_pushpop (value i); value coq_is_accumulate_code(value code); diff --git a/kernel/byterun/coq_interp.c b/kernel/byterun/coq_interp.c index af89712d5e..a944dbb06c 100644 --- a/kernel/byterun/coq_interp.c +++ b/kernel/byterun/coq_interp.c @@ -16,6 +16,7 @@ #include <stdio.h> #include <signal.h> #include <stdint.h> +#include <caml/memory.h> #include "coq_gc.h" #include "coq_instruct.h" #include "coq_fix_code.h" @@ -163,8 +164,11 @@ extern void caml_process_pending_signals(void); /* The interpreter itself */ value coq_interprete -(code_t coq_pc, value coq_accu, value coq_env, long coq_extra_args) +(code_t coq_pc, value coq_accu, value coq_atom_tbl, value coq_global_data, value coq_env, long coq_extra_args) { + /* coq_accu is not allocated on the OCaml heap */ + CAMLparam2(coq_atom_tbl, coq_global_data); + /*Declaration des variables */ #ifdef PC_REG register code_t pc PC_REG; @@ -196,7 +200,7 @@ value coq_interprete coq_instr_table = (char **) coq_jumptable; coq_instr_base = coq_Jumptbl_base; #endif - return Val_unit; + CAMLreturn(Val_unit); } #if defined(THREADED_CODE) && defined(ARCH_SIXTYFOUR) && !defined(ARCH_CODE32) coq_jumptbl_base = coq_Jumptbl_base; @@ -626,7 +630,7 @@ value coq_interprete print_instr("CLOSUREREC"); if (nvars > 0) *--sp = accu; /* construction du vecteur de type */ - Alloc_small(accu, nfuncs, 0); + Alloc_small(accu, nfuncs, Abstract_tag); for(i = 0; i < nfuncs; i++) { Field(accu,i) = (value)(pc+pc[i]); } @@ -662,7 +666,7 @@ value coq_interprete print_instr("CLOSURECOFIX"); if (nvars > 0) *--sp = accu; /* construction du vecteur de type */ - Alloc_small(accu, nfunc, 0); + Alloc_small(accu, nfunc, Abstract_tag); for(i = 0; i < nfunc; i++) { Field(accu,i) = (value)(pc+pc[i]); } @@ -1028,7 +1032,7 @@ value coq_interprete CHECK_STACK(nargs+1); sp -= nargs; for (i = 0; i < nargs; i++) sp[i] = Field(accu, i + 2); - *--sp = accu; // Last argument is the pointer to the suspension + *--sp = accu; // Leftmost argument is the pointer to the suspension print_lint(nargs); coq_extra_args = nargs; pc = Code_val(coq_env); // Trigger evaluation @@ -1068,12 +1072,22 @@ value coq_interprete } } *--sp = accu; - /* We create the switch zipper */ - Alloc_small(accu, 5, Default_tag); - Field(accu, 0) = (value)typlbl; Field(accu, 1) = (value)swlbl; - Field(accu, 2) = sp[1]; Field(accu, 3) = sp[0]; - Field(accu, 4) = coq_env; - sp++;sp[0] = accu; + /* Create bytecode wrappers */ + Alloc_small(accu, 1, Abstract_tag); + Code_val(accu) = typlbl; + *--sp = accu; + Alloc_small(accu, 1, Abstract_tag); + Code_val(accu) = swlbl; + *--sp = accu; + /* We create the switch zipper */ + Alloc_small(accu, 5, Default_tag); + Field(accu, 0) = sp[1]; + Field(accu, 1) = sp[0]; + Field(accu, 2) = sp[3]; + Field(accu, 3) = sp[2]; + Field(accu, 4) = coq_env; + sp += 3; + sp[0] = accu; /* We create the atom */ Alloc_small(accu, 2, ATOM_SWITCH_TAG); Field(accu, 0) = sp[1]; Field(accu, 1) = sp[0]; @@ -1460,7 +1474,7 @@ value coq_interprete Instruct(STOP){ print_instr("STOP"); coq_sp = sp; - return accu; + CAMLreturn(accu); } @@ -1473,7 +1487,8 @@ value coq_interprete #endif } -value coq_push_ra(value tcode) { +value coq_push_ra(value code) { + code_t tcode = Code_val(code); print_instr("push_ra"); coq_sp -= 3; coq_sp[0] = (value) tcode; @@ -1512,12 +1527,18 @@ value coq_push_vstack(value stk, value max_stack_size) { return Val_unit; } -value coq_interprete_ml(value tcode, value a, value e, value ea) { +value coq_interprete_ml(value tcode, value a, value t, value g, value e, value ea) { + // Registering the other arguments w.r.t. the OCaml GC is done by coq_interprete + CAMLparam1(tcode); print_instr("coq_interprete"); - return coq_interprete((code_t)tcode, a, e, Long_val(ea)); + CAMLreturn (coq_interprete(Code_val(tcode), a, t, g, e, Long_val(ea))); print_instr("end coq_interprete"); } -value coq_eval_tcode (value tcode, value e) { - return coq_interprete_ml(tcode, Val_unit, e, 0); +value coq_interprete_byte(value* argv, int argn){ + return coq_interprete_ml(argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]); +} + +value coq_eval_tcode (value tcode, value t, value g, value e) { + return coq_interprete_ml(tcode, Val_unit, t, g, e, 0); } diff --git a/kernel/byterun/coq_interp.h b/kernel/byterun/coq_interp.h index 60865c32ec..c04e9e00b2 100644 --- a/kernel/byterun/coq_interp.h +++ b/kernel/byterun/coq_interp.h @@ -17,11 +17,10 @@ value coq_push_arguments(value args); value coq_push_vstack(value stk); -value coq_interprete_ml(value tcode, value a, value e, value ea); +value coq_interprete_ml(value tcode, value a, value t, value g, value e, value ea); +value coq_interprete_byte(value* argv, int argn); value coq_interprete - (code_t coq_pc, value coq_accu, value coq_env, long coq_extra_args); - -value coq_eval_tcode (value tcode, value e); - + (code_t coq_pc, value coq_accu, value coq_atom_tbl, value coq_global_data, value coq_env, long coq_extra_args); +value coq_eval_tcode (value tcode, value t, value g, value e); diff --git a/kernel/byterun/coq_memory.c b/kernel/byterun/coq_memory.c index 45cfae509d..542a05fd25 100644 --- a/kernel/byterun/coq_memory.c +++ b/kernel/byterun/coq_memory.c @@ -10,6 +10,8 @@ #include <stdio.h> #include <string.h> +#include <caml/alloc.h> +#include <caml/address_class.h> #include "coq_gc.h" #include "coq_instruct.h" #include "coq_fix_code.h" @@ -24,10 +26,6 @@ value * coq_stack_threshold; asize_t coq_max_stack_size = Coq_max_stack_size; /* global_data */ - -value coq_global_data; -value coq_atom_tbl; - int drawinstr; /* interp state */ @@ -50,7 +48,11 @@ value coq_static_alloc(value size) /* ML */ value accumulate_code(value unit) /* ML */ { - return (value) accumulate; + CAMLparam1(unit); + CAMLlocal1(res); + res = caml_alloc_small(1, Abstract_tag); + Code_val(res) = accumulate; + CAMLreturn(res); } static void (*coq_prev_scan_roots_hook) (scanning_action); @@ -58,11 +60,12 @@ static void (*coq_prev_scan_roots_hook) (scanning_action); static void coq_scan_roots(scanning_action action) { register value * i; - /* Scan the global variables */ - (*action)(coq_global_data, &coq_global_data); - (*action)(coq_atom_tbl, &coq_atom_tbl); /* Scan the stack */ for (i = coq_sp; i < coq_stack_high; i++) { +#ifdef NO_NAKED_POINTERS + /* The VM stack may contain C-allocated bytecode */ + if (Is_block(*i) && !Is_in_heap_or_young(*i)) continue; +#endif (*action) (*i, i); }; /* Hook */ @@ -79,24 +82,10 @@ void init_coq_stack() coq_max_stack_size = Coq_max_stack_size; } -void init_coq_global_data(long requested_size) -{ - int i; - coq_global_data = alloc_shr(requested_size, 0); - for (i = 0; i < requested_size; i++) - Field (coq_global_data, i) = Val_unit; -} - -void init_coq_atom_tbl(long requested_size){ - int i; - coq_atom_tbl = alloc_shr(requested_size, 0); - for (i = 0; i < requested_size; i++) Field (coq_atom_tbl, i) = Val_unit; -} - void init_coq_interpreter() { coq_sp = coq_stack_high; - coq_interprete(NULL, Val_unit, Val_unit, 0); + coq_interprete(NULL, Val_unit, Atom(0), Atom(0), Val_unit, 0); } static int coq_vm_initialized = 0; @@ -112,13 +101,15 @@ value init_coq_vm(value unit) /* ML */ #endif /* THREADED_CODE */ /* Allocate the table of global and the stack */ init_coq_stack(); - init_coq_global_data(Coq_global_data_Size); - init_coq_atom_tbl(40); /* Initialing the interpreter */ init_coq_interpreter(); - /* Some predefined pointer code */ - accumulate = (code_t) coq_stat_alloc(sizeof(opcode_t)); + /* Some predefined pointer code. + * It is typically contained in accumlator blocks whose tag is 0 and thus + * scanned by the GC, so make it look like an OCaml block. */ + value accu_block = (value) coq_stat_alloc(2 * sizeof(value)); + Hd_hp (accu_block) = Make_header (1, Abstract_tag, Caml_black); \ + accumulate = (code_t) Val_hp(accu_block); *accumulate = VALINSTR(ACCUMULATE); /* Initialize GC */ @@ -157,53 +148,6 @@ void realloc_coq_stack(asize_t required_space) #undef shift } -value get_coq_global_data(value unit) /* ML */ -{ - return coq_global_data; -} - -value get_coq_atom_tbl(value unit) /* ML */ -{ - return coq_atom_tbl; -} - -value realloc_coq_global_data(value size) /* ML */ -{ - mlsize_t requested_size, actual_size, i; - value new_global_data; - requested_size = Long_val(size); - actual_size = Wosize_val(coq_global_data); - if (requested_size >= actual_size) { - requested_size = (requested_size + 0x100) & 0xFFFFFF00; - new_global_data = alloc_shr(requested_size, 0); - for (i = 0; i < actual_size; i++) - initialize(&Field(new_global_data, i), Field(coq_global_data, i)); - for (i = actual_size; i < requested_size; i++){ - Field (new_global_data, i) = Val_long (0); - } - coq_global_data = new_global_data; - } - return Val_unit; -} - -value realloc_coq_atom_tbl(value size) /* ML */ -{ - mlsize_t requested_size, actual_size, i; - value new_atom_tbl; - requested_size = Long_val(size); - actual_size = Wosize_val(coq_atom_tbl); - if (requested_size >= actual_size) { - requested_size = (requested_size + 0x100) & 0xFFFFFF00; - new_atom_tbl = alloc_shr(requested_size, 0); - for (i = 0; i < actual_size; i++) - initialize(&Field(new_atom_tbl, i), Field(coq_atom_tbl, i)); - for (i = actual_size; i < requested_size; i++) - Field (new_atom_tbl, i) = Val_long (0); - coq_atom_tbl = new_atom_tbl; - } - return Val_unit; -} - value coq_set_drawinstr(value unit) { drawinstr = 1; diff --git a/kernel/byterun/coq_memory.h b/kernel/byterun/coq_memory.h index cec34f566c..9375b15de2 100644 --- a/kernel/byterun/coq_memory.h +++ b/kernel/byterun/coq_memory.h @@ -20,7 +20,6 @@ #define Coq_stack_size (4096 * sizeof(value)) #define Coq_stack_threshold (256 * sizeof(value)) -#define Coq_global_data_Size (4096 * sizeof(value)) #define Coq_max_stack_size (256 * 1024) #define TRANSP 0 @@ -34,9 +33,7 @@ extern value * coq_stack_threshold; /* global_data */ -extern value coq_global_data; extern int coq_all_transp; -extern value coq_atom_tbl; extern int drawinstr; /* interp state */ @@ -53,10 +50,6 @@ value init_coq_vm(value unit); /* ML */ value re_init_coq_vm(value unit); /* ML */ void realloc_coq_stack(asize_t required_space); -value get_coq_global_data(value unit); /* ML */ -value realloc_coq_global_data(value size); /* ML */ -value get_coq_atom_tbl(value unit); /* ML */ -value realloc_coq_atom_tbl(value size); /* ML */ value coq_set_transp_value(value transp); /* ML */ value get_coq_transp_value(value unit); /* ML */ #endif /* _COQ_MEMORY_ */ diff --git a/kernel/byterun/coq_values.c b/kernel/byterun/coq_values.c index 528babebfc..e05f3fb82e 100644 --- a/kernel/byterun/coq_values.c +++ b/kernel/byterun/coq_values.c @@ -9,6 +9,7 @@ /***********************************************************************/ #include <stdio.h> +#include <caml/memory.h> #include "coq_fix_code.h" #include "coq_instruct.h" #include "coq_memory.h" @@ -58,10 +59,36 @@ value coq_offset_closure(value v, value offset){ return (value)&Field(v, Int_val(offset)); } +value coq_set_bytecode_field(value v, value i, value code) { + // No write barrier because the bytecode does not live on the OCaml heap + Field(v, Long_val(i)) = (value) Code_val(code); + return Val_unit; +} + value coq_offset_tcode(value code,value offset){ - return((value)((code_t)code + Int_val(offset))); + CAMLparam1(code); + CAMLlocal1(res); + res = caml_alloc_small(1, Abstract_tag); + Code_val(res) = Code_val(code) + Int_val(offset); + CAMLreturn(res); } -value coq_int_tcode(value code, value offset) { +value coq_int_tcode(value pc, value offset) { + code_t code = Code_val(pc); return Val_int(*((code_t) code + Int_val(offset))); } + +value coq_tcode_array(value tcodes) { + CAMLparam1(tcodes); + CAMLlocal2(res, tmp); + int i; + /* Assumes that the vector of types is small. This was implicit in the + previous code which was building the type array using Alloc_small. */ + res = caml_alloc_small(Wosize_val(tcodes), Default_tag); + for (i = 0; i < Wosize_val(tcodes); i++) { + tmp = caml_alloc_small(1, Abstract_tag); + Code_val(tmp) = (code_t) Field(tcodes, i); + Store_field(res, i, tmp); + } + CAMLreturn(res); +} diff --git a/kernel/byterun/dune b/kernel/byterun/dune new file mode 100644 index 0000000000..3a714a8a59 --- /dev/null +++ b/kernel/byterun/dune @@ -0,0 +1,10 @@ +(library + (name byterun) + (synopsis "Coq's Kernel Abstract Reduction Machine [C implementation]") + (public_name coq.vm) + (c_names coq_fix_code coq_memory coq_values coq_interp)) + +(rule + (targets coq_jumptbl.h) + (deps (:h-file coq_instruct.h)) + (action (run ./make_jumptbl.sh %{h-file} %{targets}))) diff --git a/kernel/byterun/make_jumptbl.sh b/kernel/byterun/make_jumptbl.sh new file mode 100755 index 0000000000..eacd4daac8 --- /dev/null +++ b/kernel/byterun/make_jumptbl.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash + +sed -n -e '/^ /s/ \([A-Z]\)/ \&\&coq_lbl_\1/gp' -e '/^}/q' ${1} > ${2} diff --git a/kernel/cClosure.ml b/kernel/cClosure.ml index 5f683790c1..1f61bcae2e 100644 --- a/kernel/cClosure.ml +++ b/kernel/cClosure.ml @@ -21,6 +21,8 @@ (* This file implements a lazy reduction for the Calculus of Inductive Constructions *) +[@@@ocaml.warning "+4"] + open CErrors open Util open Pp @@ -31,7 +33,6 @@ open Environ open Esubst let stats = ref false -let share = ref true (* Profiling *) let beta = ref 0 @@ -71,11 +72,8 @@ let with_stats c = end else Lazy.force c -let all_opaque = (Id.Pred.empty, Cpred.empty) -let all_transparent = (Id.Pred.full, Cpred.full) - -let is_transparent_variable (ids, _) id = Id.Pred.mem id ids -let is_transparent_constant (_, csts) cst = Cpred.mem cst csts +let all_opaque = TransparentState.empty +let all_transparent = TransparentState.full module type RedFlagsSig = sig type reds @@ -92,11 +90,11 @@ module type RedFlagsSig = sig val no_red : reds val red_add : reds -> red_kind -> reds val red_sub : reds -> red_kind -> reds - val red_add_transparent : reds -> transparent_state -> reds - val red_transparent : reds -> transparent_state + val red_add_transparent : reds -> TransparentState.t -> reds + val red_transparent : reds -> TransparentState.t val mkflags : red_kind list -> reds val red_set : reds -> red_kind -> bool - val red_projection : reds -> projection -> bool + val red_projection : reds -> Projection.t -> bool end module RedFlags = (struct @@ -105,11 +103,13 @@ module RedFlags = (struct (* [r_const=(false,cl)] means only those in [cl] *) (* [r_delta=true] just mean [r_const=(true,[])] *) + open TransparentState + type reds = { r_beta : bool; r_delta : bool; r_eta : bool; - r_const : transparent_state; + r_const : TransparentState.t; r_zeta : bool; r_match : bool; r_fix : bool; @@ -142,30 +142,30 @@ module RedFlags = (struct | ETA -> { red with r_eta = true } | DELTA -> { red with r_delta = true; r_const = all_transparent } | CONST kn -> - let (l1,l2) = red.r_const in - { red with r_const = l1, Cpred.add kn l2 } + let r = red.r_const in + { red with r_const = { r with tr_cst = Cpred.add kn r.tr_cst } } | MATCH -> { red with r_match = true } | FIX -> { red with r_fix = true } | COFIX -> { red with r_cofix = true } | ZETA -> { red with r_zeta = true } | VAR id -> - let (l1,l2) = red.r_const in - { red with r_const = Id.Pred.add id l1, l2 } + let r = red.r_const in + { red with r_const = { r with tr_var = Id.Pred.add id r.tr_var } } let red_sub red = function | BETA -> { red with r_beta = false } | ETA -> { red with r_eta = false } | DELTA -> { red with r_delta = false } | CONST kn -> - let (l1,l2) = red.r_const in - { red with r_const = l1, Cpred.remove kn l2 } + let r = red.r_const in + { red with r_const = { r with tr_cst = Cpred.remove kn r.tr_cst } } | MATCH -> { red with r_match = false } | FIX -> { red with r_fix = false } | COFIX -> { red with r_cofix = false } | ZETA -> { red with r_zeta = false } | VAR id -> - let (l1,l2) = red.r_const in - { red with r_const = Id.Pred.remove id l1, l2 } + let r = red.r_const in + { red with r_const = { r with tr_var = Id.Pred.remove id r.tr_var } } let red_transparent red = red.r_const @@ -178,12 +178,10 @@ module RedFlags = (struct | BETA -> incr_cnt red.r_beta beta | ETA -> incr_cnt red.r_eta eta | CONST kn -> - let (_,l) = red.r_const in - let c = Cpred.mem kn l in + let c = is_transparent_constant red.r_const kn in incr_cnt c delta | VAR id -> (* En attendant d'avoir des kn pour les Var *) - let (l,_) = red.r_const in - let c = Id.Pred.mem id l in + let c = is_transparent_variable red.r_const id in incr_cnt c delta | ZETA -> incr_cnt red.r_zeta zeta | MATCH -> incr_cnt red.r_match nb_match @@ -225,11 +223,6 @@ let unfold_red kn = * abstractions, storing a representation (of type 'a) of the body of * this constant or abstraction. * * i_tab is the cache table of the results - * * i_repr is the function to get the representation from the current - * state of the cache and the body of the constant. The result - * is stored in the table. - * * i_rels is the array of free rel variables together with their optional - * body * * ref_value_cache searchs in the tab, otherwise uses i_repr to * compute the result and store it in the table. If the constant can't @@ -257,72 +250,11 @@ end module KeyTable = Hashtbl.Make(IdKeyHash) -let eq_table_key = IdKeyHash.equal - -type 'a infos_tab = 'a KeyTable.t - -type 'a infos_cache = { - i_repr : 'a infos -> 'a infos_tab -> constr -> 'a; - i_env : env; - i_sigma : existential -> constr option; - i_rels : (Context.Rel.Declaration.t * Pre_env.lazy_val) Range.t; -} - -and 'a infos = { - i_flags : reds; - i_cache : 'a infos_cache } - -let info_flags info = info.i_flags -let info_env info = info.i_cache.i_env - open Context.Named.Declaration let assoc_defined id env = match Environ.lookup_named id env with | LocalDef (_, c, _) -> c -| _ -> raise Not_found - -let ref_value_cache ({i_cache = cache} as infos) tab ref = - try - Some (KeyTable.find tab ref) - with Not_found -> - try - let body = - match ref with - | RelKey n -> - let open Context.Rel.Declaration in - let i = n - 1 in - let (d, _) = - try Range.get cache.i_rels i - with Invalid_argument _ -> raise Not_found - in - begin match d with - | LocalAssum _ -> raise Not_found - | LocalDef (_, t, _) -> lift n t - end - | VarKey id -> assoc_defined id cache.i_env - | ConstKey cst -> constant_value_in cache.i_env cst - in - let v = cache.i_repr infos tab body in - KeyTable.add tab ref v; - Some v - with - | Not_found (* List.assoc *) - | NotEvaluableConst _ (* Const *) - -> None - -let evar_value cache ev = - cache.i_sigma ev - -let create mk_cl flgs env evars = - let open Pre_env in - let cache = - { i_repr = mk_cl; - i_env = env; - i_sigma = evars; - i_rels = (Environ.pre_env env).env_rel_context.env_rel_map; - } - in { i_flags = flgs; i_cache = cache } - +| LocalAssum _ -> raise Not_found (**********************************************************************) (* Lazy reduction: the one used in kernel operations *) @@ -359,17 +291,16 @@ type fconstr = { and fterm = | FRel of int | FAtom of constr (* Metas and Sorts *) - | FCast of fconstr * cast_kind * fconstr | FFlex of table_key | FInd of pinductive | FConstruct of pconstructor | FApp of fconstr * fconstr array - | FProj of projection * fconstr + | FProj of Projection.t * fconstr | FFix of fixpoint * fconstr subs | FCoFix of cofixpoint * fconstr subs | FCaseT of case_info * constr * fconstr * constr array * fconstr subs (* predicate and branches are closures *) | FLambda of int * (Name.t * constr) list * constr * fconstr subs - | FProd of Name.t * fconstr * fconstr + | FProd of Name.t * fconstr * constr * fconstr subs | FLetIn of Name.t * fconstr * fconstr * constr * fconstr subs | FEvar of existential * fconstr subs | FLIFT of int * fconstr @@ -378,27 +309,44 @@ and fterm = let fterm_of v = v.term let set_norm v = v.norm <- Norm -let is_val v = match v.norm with Norm -> true | _ -> false +let is_val v = match v.norm with Norm -> true | Cstr | Whnf | Red -> false let mk_atom c = {norm=Norm;term=FAtom c} let mk_red f = {norm=Red;term=f} (* Could issue a warning if no is still Red, pointing out that we loose sharing. *) -let update v1 no t = - if !share then +let update ~share v1 no t = + if share then (v1.norm <- no; v1.term <- t; v1) else {norm=no;term=t} +(** Reduction cache *) + +type infos_cache = { + i_env : env; + i_sigma : existential -> constr option; + i_share : bool; +} + +type clos_infos = { + i_flags : reds; + i_cache : infos_cache } + +type clos_tab = fconstr KeyTable.t + +let info_flags info = info.i_flags +let info_env info = info.i_cache.i_env + (**********************************************************************) (* The type of (machine) stacks (= lambda-bar-calculus' contexts) *) type stack_member = | Zapp of fconstr array | ZcaseT of case_info * constr * constr array * fconstr subs - | Zproj of int * int * Constant.t + | Zproj of Projection.Repr.t | Zfix of fconstr * stack | Zshift of int | Zupdate of fconstr @@ -410,20 +358,21 @@ let append_stack v s = if Int.equal (Array.length v) 0 then s else match s with | Zapp l :: s -> Zapp (Array.append v l) :: s - | _ -> Zapp v :: s + | (ZcaseT _ | Zproj _ | Zfix _ | Zshift _ | Zupdate _) :: _ | [] -> + Zapp v :: s (* Collapse the shifts in the stack *) let zshift n s = match (n,s) with (0,_) -> s | (_,Zshift(k)::s) -> Zshift(n+k)::s - | _ -> Zshift(n)::s + | (_,(ZcaseT _ | Zproj _ | Zfix _ | Zapp _ | Zupdate _) :: _) | _,[] -> Zshift(n)::s let rec stack_args_size = function | Zapp v :: s -> Array.length v + stack_args_size s | Zshift(_)::s -> stack_args_size s | Zupdate(_)::s -> stack_args_size s - | _ -> 0 + | (ZcaseT _ | Zproj _ | Zfix _) :: _ | [] -> 0 (* When used as an argument stack (only Zapp can appear) *) let rec decomp_stack = function @@ -433,12 +382,12 @@ let rec decomp_stack = function | 1 -> Some (v.(0), s) | _ -> Some (v.(0), (Zapp (Array.sub v 1 (Array.length v - 1)) :: s))) - | _ -> None + | (ZcaseT _ | Zproj _ | Zfix _ | Zshift _ | Zupdate _) :: _ | [] -> None let array_of_stack s = let rec stackrec = function | [] -> [] | Zapp args :: s -> args :: (stackrec s) - | _ -> assert false + | (ZcaseT _ | Zproj _ | Zfix _ | Zshift _ | Zupdate _) :: _ -> assert false in Array.concat (stackrec s) let rec stack_assign s p c = match s with | Zapp args :: s -> @@ -449,7 +398,7 @@ let rec stack_assign s p c = match s with (let nargs = Array.copy args in nargs.(p) <- c; Zapp nargs :: s) - | _ -> s + | (ZcaseT _ | Zproj _ | Zfix _ | Zshift _ | Zupdate _) :: _ | [] -> s let rec stack_tail p s = if Int.equal p 0 then s else match s with @@ -457,13 +406,13 @@ let rec stack_tail p s = let q = Array.length args in if p >= q then stack_tail (p-q) s else Zapp (Array.sub args p (q-p)) :: s - | _ -> failwith "stack_tail" + | (ZcaseT _ | Zproj _ | Zfix _ | Zshift _ | Zupdate _) :: _ | [] -> failwith "stack_tail" let rec stack_nth s p = match s with | Zapp args :: s -> let q = Array.length args in if p >= q then stack_nth s (p-q) else args.(p) - | _ -> raise Not_found + | (ZcaseT _ | Zproj _ | Zfix _ | Zshift _ | Zupdate _) :: _ | [] -> raise Not_found (* Lifting. Preserves sharing (useful only for cell with norm=Red). lft_fconstr always create a new cell, while lift_fconstr avoids it @@ -477,12 +426,12 @@ let rec lft_fconstr n ft = | FCoFix(cfx,e) -> {norm=Cstr; term=FCoFix(cfx,subs_shft(n,e))} | FLIFT(k,m) -> lft_fconstr (n+k) m | FLOCKED -> assert false - | FFlex _ | FAtom _ | FCast _ | FApp _ | FProj _ | FCaseT _ | FProd _ + | FFlex (RelKey _) | FAtom _ | FApp _ | FProj _ | FCaseT _ | FProd _ | FLetIn _ | FEvar _ | FCLOS _ -> {norm=ft.norm; term=FLIFT(n,ft)} let lift_fconstr k f = if Int.equal k 0 then f else lft_fconstr k f let lift_fconstr_vect k v = - if Int.equal k 0 then v else CArray.Fun1.map lft_fconstr k v + if Int.equal k 0 then v else Array.Fun1.map lft_fconstr k v let clos_rel e i = match expand_rel i e with @@ -499,14 +448,17 @@ let compact_stack head stk = (* Be sure to create a new cell otherwise sharing would be lost by the update operation *) let h' = lft_fconstr depth head in - let _ = update m h'.norm h'.term in + (** The stack contains [Zupdate] marks only if in sharing mode *) + let _ = update ~share:true m h'.norm h'.term in strip_rec depth s - | stk -> zshift depth stk in + | ((ZcaseT _ | Zproj _ | Zfix _ | Zapp _) :: _ | []) as stk -> zshift depth stk + in strip_rec 0 stk (* Put an update mark in the stack, only if needed *) -let zupdate m s = - if !share && begin match m.norm with Red -> true | _ -> false end +let zupdate info m s = + let share = info.i_cache.i_share in + if share && begin match m.norm with Red -> true | Norm | Whnf | Cstr -> false end then let s' = compact_stack m s in let _ = m.term <- FLOCKED in @@ -518,12 +470,12 @@ let mk_lambda env t = FLambda(List.length rvars, List.rev rvars, t', env) let destFLambda clos_fun t = - match t.term with - FLambda(_,[(na,ty)],b,e) -> (na,clos_fun e ty,clos_fun (subs_lift e) b) - | FLambda(n,(na,ty)::tys,b,e) -> - (na,clos_fun e ty,{norm=Cstr;term=FLambda(n-1,tys,b,subs_lift e)}) - | _ -> assert false - (* t must be a FLambda and binding list cannot be empty *) + match [@ocaml.warning "-4"] t.term with + | FLambda(_,[(na,ty)],b,e) -> (na,clos_fun e ty,clos_fun (subs_lift e) b) + | FLambda(n,(na,ty)::tys,b,e) -> + (na,clos_fun e ty,{norm=Cstr;term=FLambda(n-1,tys,b,subs_lift e)}) + | _ -> assert false +(* t must be a FLambda and binding list cannot be empty *) (* Optimization: do not enclose variables in a closure. Makes variable access much faster *) @@ -538,6 +490,8 @@ let mk_clos e t = | (CoFix _|Lambda _|Fix _|Prod _|Evar _|App _|Case _|Cast _|LetIn _|Proj _) -> {norm = Red; term = FCLOS(t,e)} +let inject c = mk_clos (subs_id 0) c + (** Hand-unrolling of the map function to bypass the call to the generic array allocation *) let mk_clos_vect env v = match v with @@ -547,119 +501,128 @@ let mk_clos_vect env v = match v with | [|v0; v1; v2|] -> [|mk_clos env v0; mk_clos env v1; mk_clos env v2|] | [|v0; v1; v2; v3|] -> [|mk_clos env v0; mk_clos env v1; mk_clos env v2; mk_clos env v3|] -| v -> CArray.Fun1.map mk_clos env v +| v -> Array.Fun1.map mk_clos env v -(* Translate the head constructor of t from constr to fconstr. This - function is parameterized by the function to apply on the direct - subterms. - Could be used insted of mk_clos. *) -let mk_clos_deep clos_fun env t = - match kind t with - | (Rel _|Ind _|Const _|Construct _|Var _|Meta _ | Sort _) -> - mk_clos env t - | Cast (a,k,b) -> - { norm = Red; - term = FCast (clos_fun env a, k, clos_fun env b)} - | App (f,v) -> - { norm = Red; - term = FApp (clos_fun env f, CArray.Fun1.map clos_fun env v) } - | Proj (p,c) -> - { norm = Red; - term = FProj (p, clos_fun env c) } - | Case (ci,p,c,v) -> - { norm = Red; - term = FCaseT (ci, p, clos_fun env c, v, env) } - | Fix fx -> - { norm = Cstr; term = FFix (fx, env) } - | CoFix cfx -> - { norm = Cstr; term = FCoFix(cfx,env) } - | Lambda _ -> - { norm = Cstr; term = mk_lambda env t } - | Prod (n,t,c) -> - { norm = Whnf; - term = FProd (n, clos_fun env t, clos_fun (subs_lift env) c) } - | LetIn (n,b,t,c) -> - { norm = Red; - term = FLetIn (n, clos_fun env b, clos_fun env t, c, env) } - | Evar ev -> - { norm = Red; term = FEvar(ev,env) } - -(* A better mk_clos? *) -let mk_clos2 = mk_clos_deep mk_clos +let ref_value_cache ({ i_cache = cache; _ }) tab ref = + try + Some (KeyTable.find tab ref) + with Not_found -> + try + let body = + match ref with + | RelKey n -> + let open! Context.Rel.Declaration in + let i = n - 1 in + let (d, _) = + try Range.get cache.i_env.env_rel_context.env_rel_map i + with Invalid_argument _ -> raise Not_found + in + begin match d with + | LocalAssum _ -> raise Not_found + | LocalDef (_, t, _) -> lift n t + end + | VarKey id -> assoc_defined id cache.i_env + | ConstKey cst -> constant_value_in cache.i_env cst + in + let v = inject body in + KeyTable.add tab ref v; + Some v + with + | Not_found (* List.assoc *) + | NotEvaluableConst _ (* Const *) + -> None -(* The inverse of mk_clos_deep: move back to constr *) -let rec to_constr constr_fun lfts v = +(* The inverse of mk_clos: move back to constr *) +let rec to_constr lfts v = match v.term with | FRel i -> mkRel (reloc_rel i lfts) | FFlex (RelKey p) -> mkRel (reloc_rel p lfts) | FFlex (VarKey x) -> mkVar x | FAtom c -> exliftn lfts c - | FCast (a,k,b) -> - mkCast (constr_fun lfts a, k, constr_fun lfts b) | FFlex (ConstKey op) -> mkConstU op | FInd op -> mkIndU op | FConstruct op -> mkConstructU op | FCaseT (ci,p,c,ve,env) -> - mkCase (ci, constr_fun lfts (mk_clos env p), - constr_fun lfts c, - Array.map (fun b -> constr_fun lfts (mk_clos env b)) ve) - | FFix ((op,(lna,tys,bds)),e) -> + if is_subs_id env && is_lift_id lfts then + mkCase (ci, p, to_constr lfts c, ve) + else + let subs = comp_subs lfts env in + mkCase (ci, subst_constr subs p, + to_constr lfts c, + Array.map (fun b -> subst_constr subs b) ve) + | FFix ((op,(lna,tys,bds)) as fx, e) -> + if is_subs_id e && is_lift_id lfts then + mkFix fx + else let n = Array.length bds in - let ftys = CArray.Fun1.map mk_clos e tys in - let fbds = CArray.Fun1.map mk_clos (subs_liftn n e) bds in - let lfts' = el_liftn n lfts in - mkFix (op, (lna, CArray.Fun1.map constr_fun lfts ftys, - CArray.Fun1.map constr_fun lfts' fbds)) - | FCoFix ((op,(lna,tys,bds)),e) -> + let subs_ty = comp_subs lfts e in + let subs_bd = comp_subs (el_liftn n lfts) (subs_liftn n e) in + let tys = Array.Fun1.map subst_constr subs_ty tys in + let bds = Array.Fun1.map subst_constr subs_bd bds in + mkFix (op, (lna, tys, bds)) + | FCoFix ((op,(lna,tys,bds)) as cfx, e) -> + if is_subs_id e && is_lift_id lfts then + mkCoFix cfx + else let n = Array.length bds in - let ftys = CArray.Fun1.map mk_clos e tys in - let fbds = CArray.Fun1.map mk_clos (subs_liftn n e) bds in - let lfts' = el_liftn (Array.length bds) lfts in - mkCoFix (op, (lna, CArray.Fun1.map constr_fun lfts ftys, - CArray.Fun1.map constr_fun lfts' fbds)) + let subs_ty = comp_subs lfts e in + let subs_bd = comp_subs (el_liftn n lfts) (subs_liftn n e) in + let tys = Array.Fun1.map subst_constr subs_ty tys in + let bds = Array.Fun1.map subst_constr subs_bd bds in + mkCoFix (op, (lna, tys, bds)) | FApp (f,ve) -> - mkApp (constr_fun lfts f, - CArray.Fun1.map constr_fun lfts ve) + mkApp (to_constr lfts f, + Array.Fun1.map to_constr lfts ve) | FProj (p,c) -> - mkProj (p,constr_fun lfts c) - - | FLambda _ -> - let (na,ty,bd) = destFLambda mk_clos2 v in - mkLambda (na, constr_fun lfts ty, - constr_fun (el_lift lfts) bd) - | FProd (n,t,c) -> - mkProd (n, constr_fun lfts t, - constr_fun (el_lift lfts) c) + mkProj (p,to_constr lfts c) + + | FLambda (len, tys, f, e) -> + if is_subs_id e && is_lift_id lfts then + Term.compose_lam (List.rev tys) f + else + let subs = comp_subs lfts e in + let tys = List.mapi (fun i (na, c) -> na, subst_constr (subs_liftn i subs) c) tys in + let f = subst_constr (subs_liftn len subs) f in + Term.compose_lam (List.rev tys) f + | FProd (n, t, c, e) -> + if is_subs_id e && is_lift_id lfts then + mkProd (n, to_constr lfts t, c) + else + let subs' = comp_subs lfts e in + mkProd (n, to_constr lfts t, subst_constr (subs_lift subs') c) | FLetIn (n,b,t,f,e) -> - let fc = mk_clos2 (subs_lift e) f in - mkLetIn (n, constr_fun lfts b, - constr_fun lfts t, - constr_fun (el_lift lfts) fc) + let subs = comp_subs (el_lift lfts) (subs_lift e) in + mkLetIn (n, to_constr lfts b, + to_constr lfts t, + subst_constr subs f) | FEvar ((ev,args),env) -> - mkEvar(ev,Array.map (fun a -> constr_fun lfts (mk_clos2 env a)) args) - | FLIFT (k,a) -> to_constr constr_fun (el_shft k lfts) a + let subs = comp_subs lfts env in + mkEvar(ev,Array.map (fun a -> subst_constr subs a) args) + | FLIFT (k,a) -> to_constr (el_shft k lfts) a | FCLOS (t,env) -> - let fr = mk_clos2 env t in - let unfv = update v fr.norm fr.term in - to_constr constr_fun lfts unfv + if is_subs_id env && is_lift_id lfts then t + else + let subs = comp_subs lfts env in + subst_constr subs t | FLOCKED -> assert false (*mkVar(Id.of_string"_LOCK_")*) +and subst_constr subst c = match [@ocaml.warning "-4"] Constr.kind c with +| Rel i -> + begin match expand_rel i subst with + | Inl (k, lazy v) -> Vars.lift k v + | Inr (m, _) -> mkRel m + end +| _ -> + Constr.map_with_binders Esubst.subs_lift subst_constr subst c + +and comp_subs el s = + Esubst.lift_subst (fun el c -> lazy (to_constr el c)) el s + (* This function defines the correspondance between constr and fconstr. When we find a closure whose substitution is the identity, then we directly return the constr to avoid possibly huge reallocation. *) -let term_of_fconstr = - let rec term_of_fconstr_lift lfts v = - match v.term with - | FCLOS(t,env) when is_subs_id env && is_lift_id lfts -> t - | FLambda(_,tys,f,e) when is_subs_id e && is_lift_id lfts -> - Term.compose_lam (List.rev tys) f - | FFix(fx,e) when is_subs_id e && is_lift_id lfts -> mkFix fx - | FCoFix(cfx,e) when is_subs_id e && is_lift_id lfts -> mkCoFix cfx - | _ -> to_constr term_of_fconstr_lift lfts v in - term_of_fconstr_lift el_id - - +let term_of_fconstr c = to_constr el_id c (* fstrong applies unfreeze_fun recursively on the (freeze) term and * yields a term. Assumes that the unfreeze_fun never returns a @@ -675,14 +638,15 @@ let rec zip m stk = | ZcaseT(ci,p,br,e)::s -> let t = FCaseT(ci, p, m, br, e) in zip {norm=neutr m.norm; term=t} s - | Zproj (i,j,cst) :: s -> - zip {norm=neutr m.norm; term=FProj(Projection.make cst true,m)} s + | Zproj p :: s -> + zip {norm=neutr m.norm; term=FProj(Projection.make p true,m)} s | Zfix(fx,par)::s -> zip fx (par @ append_stack [|m|] s) | Zshift(n)::s -> zip (lift_fconstr n m) s | Zupdate(rf)::s -> - zip (update rf m.norm m.term) s + (** The stack contains [Zupdate] marks only if in sharing mode *) + zip (update ~share:true rf m.norm m.term) s let fapp_stack (m,stk) = zip m stk @@ -702,16 +666,19 @@ let strip_update_shift_app_red head stk = strip_rec (Zapp args :: rstk) {norm=h.norm;term=FApp(h,args)} depth s | Zupdate(m)::s -> - strip_rec rstk (update m h.norm h.term) depth s - | stk -> (depth,List.rev rstk, stk) in + (** The stack contains [Zupdate] marks only if in sharing mode *) + strip_rec rstk (update ~share:true m h.norm h.term) depth s + | ((ZcaseT _ | Zproj _ | Zfix _) :: _ | []) as stk -> + (depth,List.rev rstk, stk) + in strip_rec [] head 0 stk let strip_update_shift_app head stack = - assert (match head.norm with Red -> false | _ -> true); + assert (match head.norm with Red -> false | Norm | Cstr | Whnf -> true); strip_update_shift_app_red head stack let get_nth_arg head n stk = - assert (match head.norm with Red -> false | _ -> true); + assert (match head.norm with Red -> false | Norm | Cstr | Whnf -> true); let rec strip_rec rstk h n = function | Zshift(k) as e :: s -> strip_rec (e::rstk) (lift_fconstr k h) n s @@ -727,16 +694,17 @@ let get_nth_arg head n stk = List.rev (if Int.equal n 0 then rstk else (Zapp bef :: rstk)) in (Some (stk', args.(n)), append_stack aft s') | Zupdate(m)::s -> - strip_rec rstk (update m h.norm h.term) n s - | s -> (None, List.rev rstk @ s) in + (** The stack contains [Zupdate] mark only if in sharing mode *) + strip_rec rstk (update ~share:true m h.norm h.term) n s + | ((ZcaseT _ | Zproj _ | Zfix _) :: _ | []) as s -> (None, List.rev rstk @ s) in strip_rec [] head n stk (* Beta reduction: look for an applied argument in the stack. Since the encountered update marks are removed, h must be a whnf *) -let rec get_args n tys f e stk = - match stk with - Zupdate r :: s -> - let _hd = update r Cstr (FLambda(n,tys,f,e)) in +let rec get_args n tys f e = function + | Zupdate r :: s -> + (** The stack contains [Zupdate] mark only if in sharing mode *) + let _hd = update ~share:true r Cstr (FLambda(n,tys,f,e)) in get_args n tys f e s | Zshift k :: s -> get_args n tys f (subs_shft (k,e)) s @@ -750,7 +718,8 @@ let rec get_args n tys f e stk = else (* more lambdas *) let etys = List.skipn na tys in get_args (n-na) etys f (subs_cons(l,e)) s - | _ -> (Inr {norm=Cstr;term=FLambda(n,tys,f,e)}, stk) + | ((ZcaseT _ | Zproj _ | Zfix _) :: _ | []) as stk -> + (Inr {norm=Cstr;term=FLambda(n,tys,f,e)}, stk) (* Eta expansion: add a reference to implicit surrounding lambda at end of stack *) let rec eta_expand_stack = function @@ -762,19 +731,17 @@ let rec eta_expand_stack = function (* Iota reduction: extract the arguments to be passed to the Case branches *) -let rec reloc_rargs_rec depth stk = - match stk with - Zapp args :: s -> - Zapp (lift_fconstr_vect depth args) :: reloc_rargs_rec depth s - | Zshift(k)::s -> if Int.equal k depth then s else reloc_rargs_rec (depth-k) s - | _ -> stk +let rec reloc_rargs_rec depth = function + | Zapp args :: s -> + Zapp (lift_fconstr_vect depth args) :: reloc_rargs_rec depth s + | Zshift(k)::s -> if Int.equal k depth then s else reloc_rargs_rec (depth-k) s + | ((ZcaseT _ | Zproj _ | Zfix _ | Zupdate _) :: _ | []) as stk -> stk let reloc_rargs depth stk = if Int.equal depth 0 then stk else reloc_rargs_rec depth stk -let rec try_drop_parameters depth n argstk = - match argstk with - Zapp args::s -> +let rec try_drop_parameters depth n = function + | Zapp args::s -> let q = Array.length args in if n > q then try_drop_parameters depth (n-q) s else if Int.equal n q then reloc_rargs depth s @@ -785,7 +752,7 @@ let rec try_drop_parameters depth n argstk = | [] -> if Int.equal n 0 then [] else raise Not_found - | _ -> assert false + | (ZcaseT _ | Zproj _ | Zfix _ | Zupdate _) :: _ -> assert false (* strip_update_shift_app only produces Zapp and Zshift items *) let drop_parameters depth n argstk = @@ -804,29 +771,33 @@ let drop_parameters depth n argstk = constructor is partially applied. *) let eta_expand_ind_stack env ind m s (f, s') = + let open Declarations in let mib = lookup_mind (fst ind) env in - match mib.Declarations.mind_record with - | Some (Some (_,projs,pbs)) when - mib.Declarations.mind_finite == Declarations.BiFinite -> - (* (Construct, pars1 .. parsm :: arg1...argn :: []) ~= (f, s') -> + (* disallow eta-exp for non-primitive records *) + if not (mib.mind_finite == BiFinite) then raise Not_found; + match Declareops.inductive_make_projections ind mib with + | Some projs -> + (* (Construct, pars1 .. parsm :: arg1...argn :: []) ~= (f, s') -> arg1..argn ~= (proj1 t...projn t) where t = zip (f,s') *) - let pars = mib.Declarations.mind_nparams in - let right = fapp_stack (f, s') in - let (depth, args, s) = strip_update_shift_app m s in - (** Try to drop the params, might fail on partially applied constructors. *) - let argss = try_drop_parameters depth pars args in - let hstack = Array.map (fun p -> { norm = Red; (* right can't be a constructor though *) - term = FProj (Projection.make p true, right) }) projs in - argss, [Zapp hstack] - | _ -> raise Not_found (* disallow eta-exp for non-primitive records *) - -let rec project_nth_arg n argstk = - match argstk with + let pars = mib.Declarations.mind_nparams in + let right = fapp_stack (f, s') in + let (depth, args, _s) = strip_update_shift_app m s in + (** Try to drop the params, might fail on partially applied constructors. *) + let argss = try_drop_parameters depth pars args in + let hstack = Array.map (fun p -> + { norm = Red; (* right can't be a constructor though *) + term = FProj (Projection.make p true, right) }) + projs + in + argss, [Zapp hstack] + | None -> raise Not_found (* disallow eta-exp for non-primitive records *) + +let rec project_nth_arg n = function | Zapp args :: s -> let q = Array.length args in if n >= q then project_nth_arg (n - q) s else (* n < q *) args.(n) - | _ -> assert false + | (ZcaseT _ | Zproj _ | Zfix _ | Zupdate _ | Zshift _) :: _ | [] -> assert false (* After drop_parameters we have a purely applicative stack *) @@ -841,7 +812,7 @@ let rec project_nth_arg n argstk = (* does not deal with FLIFT *) let contract_fix_vect fix = let (thisbody, make_body, env, nfix) = - match fix with + match [@ocaml.warning "-4"] fix with | FFix (((reci,i),(_,_,bds as rdcl)),env) -> (bds.(i), (fun j -> { norm = Cstr; term = FFix (((reci,j),rdcl),env) }), @@ -857,9 +828,7 @@ let contract_fix_vect fix = let unfold_projection info p = if red_projection info.i_flags p then - let open Declarations in - let pb = lookup_projection p (info_env info) in - Some (Zproj (pb.proj_npars, pb.proj_arg, Projection.constant p)) + Some (Zproj (Projection.repr p)) else None (*********************************************************************) @@ -870,19 +839,18 @@ let unfold_projection info p = let rec knh info m stk = match m.term with | FLIFT(k,a) -> knh info a (zshift k stk) - | FCLOS(t,e) -> knht info e t (zupdate m stk) + | FCLOS(t,e) -> knht info e t (zupdate info m stk) | FLOCKED -> assert false - | FApp(a,b) -> knh info a (append_stack b (zupdate m stk)) - | FCaseT(ci,p,t,br,e) -> knh info t (ZcaseT(ci,p,br,e)::zupdate m stk) + | FApp(a,b) -> knh info a (append_stack b (zupdate info m stk)) + | FCaseT(ci,p,t,br,e) -> knh info t (ZcaseT(ci,p,br,e)::zupdate info m stk) | FFix(((ri,n),(_,_,_)),_) -> (match get_nth_arg m ri.(n) stk with (Some(pars,arg),stk') -> knh info arg (Zfix(m,pars)::stk') | (None, stk') -> (m,stk')) - | FCast(t,_,_) -> knh info t stk | FProj (p,c) -> (match unfold_projection info p with | None -> (m, stk) - | Some s -> knh info c (s :: zupdate m stk)) + | Some s -> knh info c (s :: zupdate info m stk)) (* cases where knh stops *) | (FFlex _|FLetIn _|FConstruct _|FEvar _| @@ -896,13 +864,18 @@ and knht info e t stk = knht info e a (append_stack (mk_clos_vect e b) stk) | Case(ci,p,t,br) -> knht info e t (ZcaseT(ci, p, br, e)::stk) - | Fix _ -> knh info (mk_clos2 e t) stk + | Fix fx -> knh info { norm = Cstr; term = FFix (fx, e) } stk | Cast(a,_,_) -> knht info e a stk | Rel n -> knh info (clos_rel e n) stk - | Proj (p,c) -> knh info (mk_clos2 e t) stk - | (Lambda _|Prod _|Construct _|CoFix _|Ind _| - LetIn _|Const _|Var _|Evar _|Meta _|Sort _) -> - (mk_clos2 e t, stk) + | Proj (p, c) -> knh info { norm = Red; term = FProj (p, mk_clos e c) } stk + | (Ind _|Const _|Construct _|Var _|Meta _ | Sort _) -> (mk_clos e t, stk) + | CoFix cfx -> { norm = Cstr; term = FCoFix (cfx,e) }, stk + | Lambda _ -> { norm = Cstr; term = mk_lambda e t }, stk + | Prod (n, t, c) -> + { norm = Whnf; term = FProd (n, mk_clos e t, c, e) }, stk + | LetIn (n,b,t,c) -> + { norm = Red; term = FLetIn (n, mk_clos e b, mk_clos e t, c, e) }, stk + | Evar ev -> { norm = Red; term = FEvar (ev, e) }, stk (************************************************************************) @@ -926,11 +899,11 @@ let rec knr info tab m stk = (match ref_value_cache info tab (RelKey k) with Some v -> kni info tab v stk | None -> (set_norm m; (m,stk))) - | FConstruct((ind,c),u) -> + | FConstruct((_ind,c),_u) -> let use_match = red_set info.i_flags fMATCH in let use_fix = red_set info.i_flags fFIX in if use_match || use_fix then - (match strip_update_shift_app m stk with + (match [@ocaml.warning "-4"] strip_update_shift_app m stk with | (depth, args, ZcaseT(ci,_,br,e)::s) when use_match -> assert (ci.ci_npar>=0); let rargs = drop_parameters depth ci.ci_npar args in @@ -940,25 +913,25 @@ let rec knr info tab m stk = let stk' = par @ append_stack [|rarg|] s in let (fxe,fxbd) = contract_fix_vect fx.term in knit info tab fxe fxbd stk' - | (depth, args, Zproj (n, m, cst)::s) when use_match -> - let rargs = drop_parameters depth n args in - let rarg = project_nth_arg m rargs in + | (depth, args, Zproj p::s) when use_match -> + let rargs = drop_parameters depth (Projection.Repr.npars p) args in + let rarg = project_nth_arg (Projection.Repr.arg p) rargs in kni info tab rarg s | (_,args,s) -> (m,args@s)) else (m,stk) | FCoFix _ when red_set info.i_flags fCOFIX -> (match strip_update_shift_app m stk with - (_, args, (((ZcaseT _|Zproj _)::_) as stk')) -> + | (_, args, (((ZcaseT _|Zproj _)::_) as stk')) -> let (fxe,fxbd) = contract_fix_vect m.term in knit info tab fxe fxbd (args@stk') - | (_,args,s) -> (m,args@s)) + | (_,args, ((Zapp _ | Zfix _ | Zshift _ | Zupdate _) :: _ | [] as s)) -> (m,args@s)) | FLetIn (_,v,_,bd,e) when red_set info.i_flags fZETA -> knit info tab (subs_cons([|v|],e)) bd stk | FEvar(ev,env) -> - (match evar_value info.i_cache ev with + (match info.i_cache.i_sigma ev with Some c -> knit info tab env c stk | None -> (m,stk)) - | FLOCKED | FRel _ | FAtom _ | FCast _ | FFlex _ | FInd _ | FApp _ | FProj _ + | FLOCKED | FRel _ | FAtom _ | FFlex (RelKey _ | ConstKey _ | VarKey _) | FInd _ | FApp _ | FProj _ | FFix _ | FCoFix _ | FCaseT _ | FLambda _ | FProd _ | FLetIn _ | FLIFT _ | FCLOS _ -> (m, stk) @@ -984,7 +957,7 @@ let rec zip_term zfun m stk = let t = mkCase(ci, zfun (mk_clos e p), m, Array.map (fun b -> zfun (mk_clos e b)) br) in zip_term zfun t s - | Zproj(_,_,p)::s -> + | Zproj p::s -> let t = mkProj (Projection.make p true, m) in zip_term zfun t s | Zfix(fx,par)::s -> @@ -992,7 +965,7 @@ let rec zip_term zfun m stk = zip_term zfun h s | Zshift(n)::s -> zip_term zfun (lift n m) s - | Zupdate(rf)::s -> + | Zupdate(_rf)::s -> zip_term zfun m s (* Computes the strong normal form of a term. @@ -1000,10 +973,11 @@ let rec zip_term zfun m stk = 2- tries to rebuild the term. If a closure still has to be computed, calls itself recursively. *) let rec kl info tab m = + let share = info.i_cache.i_share in if is_val m then (incr prune; term_of_fconstr m) else let (nm,s) = kni info tab m [] in - let () = if !share then ignore (fapp_stack (nm, s)) in (* to unlock Zupdates! *) + let () = if share then ignore (fapp_stack (nm, s)) in (* to unlock Zupdates! *) zip_term (kl info tab) (norm_head info tab nm) s (* no redex: go up for atoms and already normalized terms, go down @@ -1011,7 +985,7 @@ let rec kl info tab m = and norm_head info tab m = if is_val m then (incr prune; term_of_fconstr m) else match m.term with - | FLambda(n,tys,f,e) -> + | FLambda(_n,tys,f,e) -> let (e',rvtys) = List.fold_left (fun (e,ctxt) (na,ty) -> (subs_lift e, (na,kl info tab (mk_clos e ty))::ctxt)) @@ -1021,23 +995,23 @@ and norm_head info tab m = | FLetIn(na,a,b,f,e) -> let c = mk_clos (subs_lift e) f in mkLetIn(na, kl info tab a, kl info tab b, kl info tab c) - | FProd(na,dom,rng) -> - mkProd(na, kl info tab dom, kl info tab rng) + | FProd(na,dom,rng,e) -> + mkProd(na, kl info tab dom, kl info tab (mk_clos (subs_lift e) rng)) | FCoFix((n,(na,tys,bds)),e) -> - let ftys = CArray.Fun1.map mk_clos e tys in + let ftys = Array.Fun1.map mk_clos e tys in let fbds = - CArray.Fun1.map mk_clos (subs_liftn (Array.length na) e) bds in + Array.Fun1.map mk_clos (subs_liftn (Array.length na) e) bds in mkCoFix(n,(na, CArray.map (kl info tab) ftys, CArray.map (kl info tab) fbds)) | FFix((n,(na,tys,bds)),e) -> - let ftys = CArray.Fun1.map mk_clos e tys in + let ftys = Array.Fun1.map mk_clos e tys in let fbds = - CArray.Fun1.map mk_clos (subs_liftn (Array.length na) e) bds in + Array.Fun1.map mk_clos (subs_liftn (Array.length na) e) bds in mkFix(n,(na, CArray.map (kl info tab) ftys, CArray.map (kl info tab) fbds)) | FEvar((i,args),env) -> mkEvar(i, Array.map (fun a -> kl info tab (mk_clos env a)) args) | FProj (p,c) -> mkProj (p, kl info tab c) - | FLOCKED | FRel _ | FAtom _ | FCast _ | FFlex _ | FInd _ | FConstruct _ + | FLOCKED | FRel _ | FAtom _ | FFlex _ | FInd _ | FConstruct _ | FApp _ | FCaseT _ | FLIFT _ | FCLOS _ -> term_of_fconstr m (* Initialization and then normalization *) @@ -1050,25 +1024,29 @@ let whd_val info tab v = let norm_val info tab v = with_stats (lazy (kl info tab v)) -let inject c = mk_clos (subs_id 0) c - -let whd_stack infos tab m stk = +let whd_stack infos tab m stk = match m.norm with +| Whnf | Norm -> + (** No need to perform [kni] nor to unlock updates because + every head subterm of [m] is [Whnf] or [Norm] *) + knh infos m stk +| Red | Cstr -> let k = kni infos tab m stk in - let () = if !share then ignore (fapp_stack k) in (* to unlock Zupdates! *) + let () = if infos.i_cache.i_share then ignore (fapp_stack k) in (* to unlock Zupdates! *) k -(* cache of constants: the body is computed only when needed. *) -type clos_infos = fconstr infos - let create_clos_infos ?(evars=fun _ -> None) flgs env = - create (fun _ _ c -> inject c) flgs env evars + let share = (Environ.typing_flags env).Declarations.share_reduction in + let cache = { + i_env = env; + i_sigma = evars; + i_share = share; + } in + { i_flags = flgs; i_cache = cache } let create_tab () = KeyTable.create 17 let oracle_of_infos infos = Environ.oracle infos.i_cache.i_env -let env_of_infos infos = infos.i_cache.i_env - let infos_with_reds infos reds = { infos with i_flags = reds } @@ -1082,4 +1060,4 @@ let unfold_reference info tab key = if red_set info.i_flags (fVAR i) then ref_value_cache info tab key else None - | _ -> ref_value_cache info tab key + | RelKey _ -> ref_value_cache info tab key diff --git a/kernel/cClosure.mli b/kernel/cClosure.mli index 3a7f77d521..c2d53eed47 100644 --- a/kernel/cClosure.mli +++ b/kernel/cClosure.mli @@ -15,7 +15,6 @@ open Esubst (** Flags for profiling reductions. *) val stats : bool ref -val share : bool ref val with_stats: 'a Lazy.t -> 'a @@ -25,14 +24,6 @@ val with_stats: 'a Lazy.t -> 'a Rem: reduction of a Rel/Var bound to a term is Delta, but reduction of a LetIn expression is Letin reduction *) - - -val all_opaque : transparent_state -val all_transparent : transparent_state - -val is_transparent_variable : transparent_state -> variable -> bool -val is_transparent_constant : transparent_state -> Constant.t -> bool - (** Sets of reduction kinds. *) module type RedFlagsSig = sig type reds @@ -61,10 +52,10 @@ module type RedFlagsSig = sig val red_sub : reds -> red_kind -> reds (** Adds a reduction kind to a set *) - val red_add_transparent : reds -> transparent_state -> reds + val red_add_transparent : reds -> TransparentState.t -> reds (** Retrieve the transparent state of the reduction flags *) - val red_transparent : reds -> transparent_state + val red_transparent : reds -> TransparentState.t (** Build a reduction set from scratch = iter [red_add] on [no_red] *) val mkflags : red_kind list -> reds @@ -74,7 +65,7 @@ module type RedFlagsSig = sig (** This tests if the projection is in unfolded state already or is unfodable due to delta. *) - val red_projection : reds -> projection -> bool + val red_projection : reds -> Projection.t -> bool end module RedFlags : RedFlagsSig @@ -99,20 +90,7 @@ val unfold_red : evaluable_global_reference -> reds (***********************************************************************) type table_key = Constant.t Univ.puniverses tableKey -type 'a infos_cache -type 'a infos_tab -type 'a infos = { - i_flags : reds; - i_cache : 'a infos_cache } - -val ref_value_cache: 'a infos -> 'a infos_tab -> table_key -> 'a option -val create: ('a infos -> 'a infos_tab -> constr -> 'a) -> reds -> env -> - (existential -> constr option) -> 'a infos -val create_tab : unit -> 'a infos_tab -val evar_value : 'a infos_cache -> existential -> constr option - -val info_env : 'a infos -> env -val info_flags: 'a infos -> reds +module KeyTable : Hashtbl.S with type key = table_key (*********************************************************************** s Lazy reduction. *) @@ -127,17 +105,16 @@ type fconstr type fterm = | FRel of int | FAtom of constr (** Metas and Sorts *) - | FCast of fconstr * cast_kind * fconstr | FFlex of table_key | FInd of inductive Univ.puniverses | FConstruct of constructor Univ.puniverses | FApp of fconstr * fconstr array - | FProj of projection * fconstr + | FProj of Projection.t * fconstr | FFix of fixpoint * fconstr subs | FCoFix of cofixpoint * fconstr subs | FCaseT of case_info * constr * fconstr * constr array * fconstr subs (* predicate and branches are closures *) | FLambda of int * (Name.t * constr) list * constr * fconstr subs - | FProd of Name.t * fconstr * fconstr + | FProd of Name.t * fconstr * constr * fconstr subs | FLetIn of Name.t * fconstr * fconstr * constr * fconstr subs | FEvar of existential * fconstr subs | FLIFT of int * fconstr @@ -152,7 +129,7 @@ type fterm = type stack_member = | Zapp of fconstr array | ZcaseT of case_info * constr * constr array * fconstr subs - | Zproj of int * int * Constant.t + | Zproj of Projection.Repr.t | Zfix of fconstr * stack | Zshift of int | Zupdate of fconstr @@ -170,7 +147,6 @@ val stack_tail : int -> stack -> stack val stack_nth : stack -> int -> fconstr val zip_term : (fconstr -> constr) -> constr -> stack -> constr val eta_expand_stack : stack -> stack -val unfold_projection : 'a infos -> Projection.t -> stack_member option (** To lazy reduce a constr, create a [clos_infos] with [create_clos_infos], inject the term to reduce with [inject]; then use @@ -190,27 +166,32 @@ val destFLambda : (fconstr subs -> constr -> fconstr) -> fconstr -> Name.t * fconstr * fconstr (** Global and local constant cache *) -type clos_infos = fconstr infos +type clos_infos +type clos_tab val create_clos_infos : ?evars:(existential->constr option) -> reds -> env -> clos_infos val oracle_of_infos : clos_infos -> Conv_oracle.oracle -val env_of_infos : 'a infos -> env +val create_tab : unit -> clos_tab + +val info_env : clos_infos -> env +val info_flags: clos_infos -> reds +val unfold_projection : clos_infos -> Projection.t -> stack_member option val infos_with_reds : clos_infos -> reds -> clos_infos (** Reduction function *) (** [norm_val] is for strong normalization *) -val norm_val : clos_infos -> fconstr infos_tab -> fconstr -> constr +val norm_val : clos_infos -> clos_tab -> fconstr -> constr (** [whd_val] is for weak head normalization *) -val whd_val : clos_infos -> fconstr infos_tab -> fconstr -> constr +val whd_val : clos_infos -> clos_tab -> fconstr -> constr (** [whd_stack] performs weak head normalization in a given stack. It stops whenever a reduction is blocked. *) val whd_stack : - clos_infos -> fconstr infos_tab -> fconstr -> stack -> fconstr * stack + clos_infos -> clos_tab -> fconstr -> stack -> fconstr * stack (** [eta_expand_ind_stack env ind c s t] computes stacks correspoding to the conversion of the eta expansion of t, considered as an inhabitant @@ -227,9 +208,7 @@ val eta_expand_ind_stack : env -> inductive -> fconstr -> stack -> (** Conversion auxiliary functions to do step by step normalisation *) (** [unfold_reference] unfolds references in a [fconstr] *) -val unfold_reference : clos_infos -> fconstr infos_tab -> table_key -> fconstr option - -val eq_table_key : table_key -> table_key -> bool +val unfold_reference : clos_infos -> clos_tab -> table_key -> fconstr option (*********************************************************************** i This is for lazy debug *) @@ -239,14 +218,11 @@ val lift_fconstr_vect : int -> fconstr array -> fconstr array val mk_clos : fconstr subs -> constr -> fconstr val mk_clos_vect : fconstr subs -> constr array -> fconstr array -val mk_clos_deep : - (fconstr subs -> constr -> fconstr) -> - fconstr subs -> constr -> fconstr -val kni: clos_infos -> fconstr infos_tab -> fconstr -> stack -> fconstr * stack -val knr: clos_infos -> fconstr infos_tab -> fconstr -> stack -> fconstr * stack -val kl : clos_infos -> fconstr infos_tab -> fconstr -> constr +val kni: clos_infos -> clos_tab -> fconstr -> stack -> fconstr * stack +val knr: clos_infos -> clos_tab -> fconstr -> stack -> fconstr * stack +val kl : clos_infos -> clos_tab -> fconstr -> constr -val to_constr : (lift -> fconstr -> constr) -> lift -> fconstr -> constr +val to_constr : lift -> fconstr -> constr (** End of cbn debug section i*) diff --git a/kernel/cbytecodes.ml b/kernel/cbytecodes.ml index 5ed9b6c675..c63795b295 100644 --- a/kernel/cbytecodes.ml +++ b/kernel/cbytecodes.ml @@ -15,82 +15,7 @@ (* This file defines the type of bytecode instructions *) open Names -open Constr - -type tag = int - -let accu_tag = 0 - -let type_atom_tag = 2 -let max_atom_tag = 2 -let proj_tag = 3 -let fix_app_tag = 4 -let switch_tag = 5 -let cofix_tag = 6 -let cofix_evaluated_tag = 7 - -(* It would be great if OCaml exported this value, - So fixme if this happens in a new version of OCaml *) -let last_variant_tag = 245 - -type structured_constant = - | Const_sort of Sorts.t - | Const_ind of inductive - | Const_proj of Constant.t - | Const_b0 of tag - | Const_bn of tag * structured_constant array - | Const_univ_level of Univ.Level.t - -type reloc_table = (tag * int) array - -type annot_switch = - {ci : case_info; rtbl : reloc_table; tailcall : bool; max_stack_size : int} - -let rec eq_structured_constant c1 c2 = match c1, c2 with -| Const_sort s1, Const_sort s2 -> Sorts.equal s1 s2 -| Const_sort _, _ -> false -| Const_ind i1, Const_ind i2 -> eq_ind i1 i2 -| Const_ind _, _ -> false -| Const_proj p1, Const_proj p2 -> Constant.equal p1 p2 -| Const_proj _, _ -> false -| Const_b0 t1, Const_b0 t2 -> Int.equal t1 t2 -| Const_b0 _, _ -> false -| Const_bn (t1, a1), Const_bn (t2, a2) -> - Int.equal t1 t2 && CArray.equal eq_structured_constant a1 a2 -| Const_bn _, _ -> false -| Const_univ_level l1 , Const_univ_level l2 -> Univ.Level.equal l1 l2 -| Const_univ_level _ , _ -> false - -let rec hash_structured_constant c = - let open Hashset.Combine in - match c with - | Const_sort s -> combinesmall 1 (Sorts.hash s) - | Const_ind i -> combinesmall 2 (ind_hash i) - | Const_proj p -> combinesmall 3 (Constant.hash p) - | Const_b0 t -> combinesmall 4 (Int.hash t) - | Const_bn (t, a) -> - let fold h c = combine h (hash_structured_constant c) in - let h = Array.fold_left fold 0 a in - combinesmall 5 (combine (Int.hash t) h) - | Const_univ_level l -> combinesmall 6 (Univ.Level.hash l) - -let eq_annot_switch asw1 asw2 = - let eq_ci ci1 ci2 = - eq_ind ci1.ci_ind ci2.ci_ind && - Int.equal ci1.ci_npar ci2.ci_npar && - CArray.equal Int.equal ci1.ci_cstr_ndecls ci2.ci_cstr_ndecls - in - let eq_rlc (i1, j1) (i2, j2) = Int.equal i1 i2 && Int.equal j1 j2 in - eq_ci asw1.ci asw2.ci && - CArray.equal eq_rlc asw1.rtbl asw2.rtbl && - (asw1.tailcall : bool) == asw2.tailcall - -let hash_annot_switch asw = - let open Hashset.Combine in - let h1 = Constr.case_info_hash asw.ci in - let h2 = Array.fold_left (fun h (t, i) -> combine3 h t i) 0 asw.rtbl in - let h3 = if asw.tailcall then 1 else 0 in - combine3 h1 h2 h3 +open Vmvalues module Label = struct @@ -132,8 +57,7 @@ type instruction = | Ksetfield of int | Kstop | Ksequence of bytecodes * bytecodes - | Kproj of int * Constant.t (* index of the projected argument, - name of projection *) + | Kproj of Projection.Repr.t | Kensurestackcapacity of int (* spiwack: instructions concerning integers *) | Kbranch of Label.t (* jump to label *) @@ -202,8 +126,8 @@ let compare e1 e2 = match e1, e2 with | FVrel r1, FVrel r2 -> Int.compare r1 r2 | FVrel _, (FVuniv_var _ | FVevar _) -> -1 | FVuniv_var i1, FVuniv_var i2 -> Int.compare i1 i2 -| FVuniv_var i1, (FVnamed _ | FVrel _) -> 1 -| FVuniv_var i1, FVevar _ -> -1 +| FVuniv_var _i1, (FVnamed _ | FVrel _) -> 1 +| FVuniv_var _i1, FVevar _ -> -1 | FVevar _, (FVnamed _ | FVrel _ | FVuniv_var _) -> 1 | FVevar e1, FVevar e2 -> Evar.compare e1 e2 @@ -221,6 +145,7 @@ type vm_env = { type comp_env = { + arity : int; (* arity of the current function, 0 if none *) nb_uni_stack : int ; (* number of universes on the stack, *) (* universes are always at the bottom. *) nb_stack : int; (* number of variables on the stack *) @@ -236,22 +161,6 @@ type comp_env = { open Pp open Util -let pp_sort s = - let open Sorts in - match s with - | Prop Null -> str "Prop" - | Prop Pos -> str "Set" - | Type u -> str "Type@{" ++ Univ.pr_uni u ++ str "}" - -let rec pp_struct_const = function - | Const_sort s -> pp_sort s - | Const_ind (mind, i) -> MutInd.print mind ++ str"#" ++ int i - | Const_proj p -> Constant.print p - | Const_b0 i -> int i - | Const_bn (i,t) -> - int i ++ surround (prvect_with_sep pr_comma pp_struct_const t) - | Const_univ_level l -> Univ.Level.pr l - let pp_lbl lbl = str "L" ++ int lbl let pp_fv_elem = function @@ -309,13 +218,13 @@ let rec pp_instr i = prlist_with_sep spc pp_lbl (Array.to_list lblb)) | Kpushfields n -> str "pushfields " ++ int n | Kfield n -> str "field " ++ int n - | Ksetfield n -> str "set field" ++ int n + | Ksetfield n -> str "setfield " ++ int n | Kstop -> str "stop" | Kbranch lbl -> str "branch " ++ pp_lbl lbl - | Kproj(n,p) -> str "proj " ++ int n ++ str " " ++ Constant.print p + | Kproj p -> str "proj " ++ Projection.Repr.print p | Kensurestackcapacity size -> str "growstack " ++ int size diff --git a/kernel/cbytecodes.mli b/kernel/cbytecodes.mli index 03b6bc619d..9c04c166a2 100644 --- a/kernel/cbytecodes.mli +++ b/kernel/cbytecodes.mli @@ -11,42 +11,7 @@ (* $Id$ *) open Names -open Constr - -type tag = int - -val accu_tag : tag - -val type_atom_tag : tag -val max_atom_tag : tag -val proj_tag : tag -val fix_app_tag : tag -val switch_tag : tag -val cofix_tag : tag -val cofix_evaluated_tag : tag - -val last_variant_tag : tag - -type structured_constant = - | Const_sort of Sorts.t - | Const_ind of inductive - | Const_proj of Constant.t - | Const_b0 of tag - | Const_bn of tag * structured_constant array - | Const_univ_level of Univ.Level.t - -val pp_struct_const : structured_constant -> Pp.t - -type reloc_table = (tag * int) array - -type annot_switch = - {ci : case_info; rtbl : reloc_table; tailcall : bool; max_stack_size : int} - -val eq_structured_constant : structured_constant -> structured_constant -> bool -val hash_structured_constant : structured_constant -> int - -val eq_annot_switch : annot_switch -> annot_switch -> bool -val hash_annot_switch : annot_switch -> int +open Vmvalues module Label : sig @@ -89,8 +54,7 @@ type instruction = | Ksetfield of int (** accu[n] = sp[0] ; sp = pop sp *) | Kstop | Ksequence of bytecodes * bytecodes - | Kproj of int * Constant.t (** index of the projected argument, - name of projection *) + | Kproj of Projection.Repr.t | Kensurestackcapacity of int (** spiwack: instructions concerning integers *) @@ -160,6 +124,7 @@ type vm_env = { type comp_env = { + arity : int; (* arity of the current function, 0 if none *) nb_uni_stack : int ; (** number of universes on the stack *) nb_stack : int; (** number of variables on the stack *) in_stack : int list; (** position in the stack *) diff --git a/kernel/cbytegen.ml b/kernel/cbytegen.ml index 0766f49b39..73620ae578 100644 --- a/kernel/cbytegen.ml +++ b/kernel/cbytegen.ml @@ -14,13 +14,14 @@ open Util open Names +open Vmvalues open Cbytecodes open Cemitcodes open Cinstr open Clambda open Constr open Declarations -open Pre_env +open Environ (* Compilation of variables + computing free variables *) @@ -77,6 +78,7 @@ open Pre_env (* ai' = [A_t | accumulate | [Cfx_t | fcofixi] | arg1 | ... | argp ] *) (* If such a block is matched against, we have to force evaluation, *) (* function [fcofixi] is then applied to [ai'] [arg1] ... [argp] *) +(* (note that [ai'] is a pointer to the closure, passed as argument) *) (* Once evaluation is completed [ai'] is updated with the result: *) (* ai' <-- *) (* [A_t | accumulate | [Cfxe_t |fcofixi|result] | arg1 | ... | argp ] *) @@ -111,8 +113,9 @@ let push_fv d e = { let fv r = !(r.in_env) -let empty_comp_env ?(univs=0) ()= - { nb_uni_stack = univs; +let empty_comp_env ()= + { arity = 0; + nb_uni_stack = 0; nb_stack = 0; in_stack = []; nb_rec = 0; @@ -147,7 +150,8 @@ let rec add_param n sz l = if Int.equal n 0 then l else add_param (n - 1) sz (n+sz::l) let comp_env_fun ?(univs=0) arity = - { nb_uni_stack = univs ; + { arity; + nb_uni_stack = univs ; nb_stack = arity; in_stack = add_param arity 0 []; nb_rec = 0; @@ -158,7 +162,8 @@ let comp_env_fun ?(univs=0) arity = let comp_env_fix_type rfv = - { nb_uni_stack = 0; + { arity = 0; + nb_uni_stack = 0; nb_stack = 0; in_stack = []; nb_rec = 0; @@ -172,7 +177,8 @@ let comp_env_fix ndef curr_pos arity rfv = for i = ndef downto 1 do prec := Koffsetclosure (2 * (ndef - curr_pos - i)) :: !prec done; - { nb_uni_stack = 0; + { arity; + nb_uni_stack = 0; nb_stack = arity; in_stack = add_param arity 0 []; nb_rec = ndef; @@ -182,7 +188,8 @@ let comp_env_fix ndef curr_pos arity rfv = } let comp_env_cofix_type ndef rfv = - { nb_uni_stack = 0; + { arity = 0; + nb_uni_stack = 0; nb_stack = 0; in_stack = []; nb_rec = 0; @@ -196,7 +203,8 @@ let comp_env_cofix ndef arity rfv = for i = 1 to ndef do prec := Kenvacc i :: !prec done; - { nb_uni_stack = 0; + { arity; + nb_uni_stack = 0; nb_stack = arity; in_stack = add_param arity 0 []; nb_rec = ndef; @@ -248,8 +256,15 @@ let pos_rel i r sz = Kenvacc(r.offset + pos) let pos_universe_var i r sz = - if i < r.nb_uni_stack then - Kacc (sz - r.nb_stack - (r.nb_uni_stack - i)) + (* Compilation of a universe variable can happen either at toplevel (the + current closure correspond to a constant and has local universes) or in a + local closure (which has no local universes). *) + if r.nb_uni_stack != 0 then + (* Universe variables are represented by De Bruijn levels (not indices), + starting at 0. The shape of the stack will be [v1|..|vn|u1..up|arg1..argq] + with size = n + p + q, and q = r.arity. So Kacc (sz - r.arity - 1) will access + the last universe. *) + Kacc (sz - r.arity - (r.nb_uni_stack - i)) else let env = !(r.in_env) in let db = FVuniv_var i in @@ -381,72 +396,72 @@ let init_fun_code () = fun_code := [] (* If [tag] hits the OCaml limitation for non constant constructors, we switch to another representation for the remaining constructors: -[last_variant_tag|tag - last_variant_tag|args] +[last_variant_tag|tag - Obj.last_non_constant_constructor_tag|args] -We subtract last_variant_tag for efficiency of match interpretation. +We subtract Obj.last_non_constant_constructor_tag for efficiency of match interpretation. *) let nest_block tag arity cont = - Kconst (Const_b0 (tag - last_variant_tag)) :: - Kmakeblock(arity+1, last_variant_tag) :: cont + Kconst (Const_b0 (tag - Obj.last_non_constant_constructor_tag)) :: + Kmakeblock(arity+1, Obj.last_non_constant_constructor_tag) :: cont let code_makeblock ~stack_size ~arity ~tag cont = - if tag < last_variant_tag then + if tag < Obj.last_non_constant_constructor_tag then Kmakeblock(arity, tag) :: cont else begin set_max_stack_size (stack_size + 1); Kpush :: nest_block tag arity cont end -let compile_structured_constant reloc sc sz cont = +let compile_structured_constant _cenv sc sz cont = set_max_stack_size sz; Kconst sc :: cont (* compiling application *) -let comp_args comp_expr reloc args sz cont = +let comp_args comp_expr cenv args sz cont = let nargs_m_1 = Array.length args - 1 in - let c = ref (comp_expr reloc args.(0) (sz + nargs_m_1) cont) in + let c = ref (comp_expr cenv args.(0) (sz + nargs_m_1) cont) in for i = 1 to nargs_m_1 do - c := comp_expr reloc args.(i) (sz + nargs_m_1 - i) (Kpush :: !c) + c := comp_expr cenv args.(i) (sz + nargs_m_1 - i) (Kpush :: !c) done; !c -let comp_app comp_fun comp_arg reloc f args sz cont = +let comp_app comp_fun comp_arg cenv f args sz cont = let nargs = Array.length args in - if Int.equal nargs 0 then comp_fun reloc f sz cont + if Int.equal nargs 0 then comp_fun cenv f sz cont else match is_tailcall cont with | Some k -> - comp_args comp_arg reloc args sz + comp_args comp_arg cenv args sz (Kpush :: - comp_fun reloc f (sz + nargs) + comp_fun cenv f (sz + nargs) (Kappterm(nargs, k + nargs) :: (discard_dead_code cont))) | None -> if nargs < 4 then - comp_args comp_arg reloc args sz - (Kpush :: (comp_fun reloc f (sz+nargs) (Kapply nargs :: cont))) + comp_args comp_arg cenv args sz + (Kpush :: (comp_fun cenv f (sz+nargs) (Kapply nargs :: cont))) else let lbl,cont1 = label_code cont in Kpush_retaddr lbl :: - (comp_args comp_arg reloc args (sz + 3) - (Kpush :: (comp_fun reloc f (sz+3+nargs) (Kapply nargs :: cont1)))) + (comp_args comp_arg cenv args (sz + 3) + (Kpush :: (comp_fun cenv f (sz+3+nargs) (Kapply nargs :: cont1)))) (* Compiling free variables *) -let compile_fv_elem reloc fv sz cont = +let compile_fv_elem cenv fv sz cont = match fv with - | FVrel i -> pos_rel i reloc sz :: cont - | FVnamed id -> pos_named id reloc :: cont - | FVuniv_var i -> pos_universe_var i reloc sz :: cont - | FVevar evk -> pos_evar evk reloc :: cont + | FVrel i -> pos_rel i cenv sz :: cont + | FVnamed id -> pos_named id cenv :: cont + | FVuniv_var i -> pos_universe_var i cenv sz :: cont + | FVevar evk -> pos_evar evk cenv :: cont -let rec compile_fv reloc l sz cont = +let rec compile_fv cenv l sz cont = match l with | [] -> cont - | [fvn] -> set_max_stack_size (sz + 1); compile_fv_elem reloc fvn sz cont + | [fvn] -> set_max_stack_size (sz + 1); compile_fv_elem cenv fvn sz cont | fvn :: tl -> - compile_fv_elem reloc fvn sz - (Kpush :: compile_fv reloc tl (sz + 1) cont) + compile_fv_elem cenv fvn sz + (Kpush :: compile_fv cenv tl (sz + 1) cont) (* Compiling constants *) @@ -471,61 +486,63 @@ let make_areconst n else_lbl cont = Kareconst (n, else_lbl)::cont (* sz is the size of the local stack *) -let rec compile_lam env reloc lam sz cont = +let rec compile_lam env cenv lam sz cont = set_max_stack_size sz; match lam with - | Lrel(_, i) -> pos_rel i reloc sz :: cont + | Lrel(_, i) -> pos_rel i cenv sz :: cont - | Lval v -> compile_structured_constant reloc v sz cont + | Lint i -> compile_structured_constant cenv (Const_b0 i) sz cont - | Lproj (n,kn,arg) -> - compile_lam env reloc arg sz (Kproj (n,kn) :: cont) + | Lval v -> compile_structured_constant cenv (Const_val v) sz cont - | Lvar id -> pos_named id reloc :: cont + | Lproj (p,arg) -> + compile_lam env cenv arg sz (Kproj p :: cont) + + | Lvar id -> pos_named id cenv :: cont | Levar (evk, args) -> if Array.is_empty args then - compile_fv_elem reloc (FVevar evk) sz cont + compile_fv_elem cenv (FVevar evk) sz cont else - comp_app compile_fv_elem (compile_lam env) reloc (FVevar evk) args sz cont + (** Arguments are reversed in evar instances *) + let args = Array.copy args in + let () = Array.rev args in + comp_app compile_fv_elem (compile_lam env) cenv (FVevar evk) args sz cont - | Lconst (kn,u) -> compile_constant env reloc kn u [||] sz cont + | Lconst (kn,u) -> compile_constant env cenv kn u [||] sz cont | Lind (ind,u) -> if Univ.Instance.is_empty u then - compile_structured_constant reloc (Const_ind ind) sz cont - else comp_app compile_structured_constant compile_universe reloc + compile_structured_constant cenv (Const_ind ind) sz cont + else comp_app compile_structured_constant compile_universe cenv (Const_ind ind) (Univ.Instance.to_array u) sz cont - | Lsort (Sorts.Prop _ as s) -> - compile_structured_constant reloc (Const_sort s) sz cont + | Lsort (Sorts.Prop | Sorts.Set as s) -> + compile_structured_constant cenv (Const_sort s) sz cont | Lsort (Sorts.Type u) -> - (* We separate global and local universes in [u]. The former will be part - of the structured constant, while the later (if any) will be applied as - arguments. *) - let open Univ in begin - let u,s = Universe.compact u in - (* We assume that [Universe.type0m] is a neutral element for [Universe.sup] *) - let compile_get_univ reloc idx sz cont = - set_max_stack_size sz; - compile_fv_elem reloc (FVuniv_var idx) sz cont - in - if List.is_empty s then - compile_structured_constant reloc (Const_sort (Sorts.Type u)) sz cont - else - comp_app compile_structured_constant compile_get_univ reloc + (* We represent universes as a global constant with local universes + "compacted", i.e. as [u arg0 ... argn] where we will substitute (after + evaluation) [Var 0,...,Var n] with values of [arg0,...,argn] *) + let u,s = Univ.compact_univ u in + let compile_get_univ cenv idx sz cont = + set_max_stack_size sz; + compile_fv_elem cenv (FVuniv_var idx) sz cont + in + if List.is_empty s then + compile_structured_constant cenv (Const_sort (Sorts.Type u)) sz cont + else + comp_app compile_structured_constant compile_get_univ cenv (Const_sort (Sorts.Type u)) (Array.of_list s) sz cont - end - | Llet (id,def,body) -> - compile_lam env reloc def sz + | Llet (_id,def,body) -> + compile_lam env cenv def sz (Kpush :: - compile_lam env (push_local sz reloc) body (sz+1) (add_pop 1 cont)) + compile_lam env (push_local sz cenv) body (sz+1) (add_pop 1 cont)) | Lprod (dom,codom) -> let cont1 = - Kpush :: compile_lam env reloc dom (sz+1) (Kmakeprod :: cont) in - compile_lam env reloc codom sz cont1 + Kpush :: compile_lam env cenv dom (sz+1) (Kmakeprod :: cont) in + compile_lam env cenv codom sz cont1 | Llam (ids,body) -> let arity = Array.length ids in @@ -536,15 +553,15 @@ let rec compile_lam env reloc lam sz cont = in fun_code := [Ksequence(add_grab arity lbl_fun cont_fun,!fun_code)]; let fv = fv r_fun in - compile_fv reloc fv.fv_rev sz (Kclosure(lbl_fun,fv.size) :: cont) + compile_fv cenv fv.fv_rev sz (Kclosure(lbl_fun,fv.size) :: cont) | Lapp (f, args) -> begin match f with - | Lconst (kn,u) -> compile_constant env reloc kn u args sz cont - | _ -> comp_app (compile_lam env) (compile_lam env) reloc f args sz cont + | Lconst (kn,u) -> compile_constant env cenv kn u args sz cont + | _ -> comp_app (compile_lam env) (compile_lam env) cenv f args sz cont end - | Lfix ((rec_args, init), (decl, types, bodies)) -> + | Lfix ((rec_args, init), (_decl, types, bodies)) -> let ndef = Array.length types in let rfv = ref empty_fv in let lbl_types = Array.make ndef Label.no in @@ -573,11 +590,11 @@ let rec compile_lam env reloc lam sz cont = fun_code := [Ksequence(fcode,!fun_code)] done; let fv = !rfv in - compile_fv reloc fv.fv_rev sz + compile_fv cenv fv.fv_rev sz (Kclosurerec(fv.size,init,lbl_types,lbl_bodies) :: cont) - | Lcofix(init, (decl,types,bodies)) -> + | Lcofix(init, (_decl,types,bodies)) -> let ndef = Array.length types in let lbl_types = Array.make ndef Label.no in let lbl_bodies = Array.make ndef Label.no in @@ -609,7 +626,7 @@ let rec compile_lam env reloc lam sz cont = done; let fv = !rfv in set_max_stack_size (sz + fv.size + ndef + 2); - compile_fv reloc fv.fv_rev sz + compile_fv cenv fv.fv_rev sz (Kclosurecofix(fv.size, init, lbl_types, lbl_bodies) :: cont) @@ -620,14 +637,14 @@ let rec compile_lam env reloc lam sz cont = let lbl_consts = Array.make oib.mind_nb_constant Label.no in let nallblock = oib.mind_nb_args + 1 in (* +1 : accumulate *) let nconst = Array.length branches.constant_branches in - let nblock = min nallblock (last_variant_tag + 1) in + let nblock = min nallblock (Obj.last_non_constant_constructor_tag + 1) in let lbl_blocks = Array.make nblock Label.no in - let neblock = max 0 (nallblock - last_variant_tag) in + let neblock = max 0 (nallblock - Obj.last_non_constant_constructor_tag) in let lbl_eblocks = Array.make neblock Label.no in let branch1, cont = make_branch cont in (* Compilation of the return type *) let fcode = - ensure_stack_capacity (compile_lam env reloc t sz) [Kpop sz; Kstop] + ensure_stack_capacity (compile_lam env cenv t sz) [Kpop sz; Kstop] in let lbl_typ,fcode = label_code fcode in fun_code := [Ksequence(fcode,!fun_code)]; @@ -648,14 +665,14 @@ let rec compile_lam env reloc lam sz cont = let lbl_b, code_b = label_code ( Kpush :: Kfield 0 :: Kswitch(lbl_eblocks, [||]) :: !c) in - lbl_blocks.(last_variant_tag) <- lbl_b; + lbl_blocks.(Obj.last_non_constant_constructor_tag) <- lbl_b; c := code_b end; (* Compilation of constant branches *) for i = nconst - 1 downto 0 do let aux = - compile_lam env reloc branches.constant_branches.(i) sz_b (branch::!c) + compile_lam env cenv branches.constant_branches.(i) sz_b (branch::!c) in let lbl_b,code_b = label_code aux in lbl_consts.(i) <- lbl_b; @@ -667,10 +684,10 @@ let rec compile_lam env reloc lam sz cont = let (ids, body) = branches.nonconstant_branches.(i) in let arity = Array.length ids in let code_b = - compile_lam env (push_param arity sz_b reloc) + compile_lam env (push_param arity sz_b cenv) body (sz_b+arity) (add_pop arity (branch::!c)) in let code_b = - if tag < last_variant_tag then begin + if tag < Obj.last_non_constant_constructor_tag then begin set_max_stack_size (sz_b + arity); Kpushfields arity :: code_b end @@ -680,8 +697,8 @@ let rec compile_lam env reloc lam sz cont = end in let lbl_b, code_b = label_code code_b in - if tag < last_variant_tag then lbl_blocks.(tag) <- lbl_b - else lbl_eblocks.(tag - last_variant_tag) <- lbl_b; + if tag < Obj.last_non_constant_constructor_tag then lbl_blocks.(tag) <- lbl_b + else lbl_eblocks.(tag - Obj.last_non_constant_constructor_tag) <- lbl_b; c := code_b done; @@ -705,25 +722,25 @@ let rec compile_lam env reloc lam sz cont = | Kbranch lbl -> Kpush_retaddr lbl :: !c | _ -> !c in - compile_lam env reloc a sz code_sw + compile_lam env cenv a sz code_sw | Lmakeblock (tag,args) -> let arity = Array.length args in let cont = code_makeblock ~stack_size:(sz+arity-1) ~arity ~tag cont in - comp_args (compile_lam env) reloc args sz cont + comp_args (compile_lam env) cenv args sz cont | Lprim (kn, ar, op, args) -> - op_compilation env ar op kn reloc args sz cont + op_compilation env ar op kn cenv args sz cont | Luint v -> (match v with - | UintVal i -> compile_structured_constant reloc (Const_b0 (Uint31.to_int i)) sz cont + | UintVal i -> compile_structured_constant cenv (Const_b0 (Uint31.to_int i)) sz cont | UintDigits ds -> let nargs = Array.length ds in if Int.equal nargs 31 then let (escape,labeled_cont) = make_branch cont in let else_lbl = Label.create() in - comp_args (compile_lam env) reloc ds sz + comp_args (compile_lam env) cenv ds sz ( Kisconst else_lbl::Kareconst(30,else_lbl)::Kcompint31::escape::Klabel else_lbl::Kmakeblock(31, 1)::labeled_cont) else let code_construct cont = (* spiwack: variant of the global code_construct @@ -739,40 +756,40 @@ let rec compile_lam env reloc lam sz cont = Kclosure(lbl,0) :: cont in comp_app (fun _ _ _ cont -> code_construct cont) - (compile_lam env) reloc () ds sz cont + (compile_lam env) cenv () ds sz cont | UintDecomp t -> let escape_lbl, labeled_cont = label_code cont in - compile_lam env reloc t sz ((Kisconst escape_lbl)::Kdecompint31::labeled_cont)) + compile_lam env cenv t sz ((Kisconst escape_lbl)::Kdecompint31::labeled_cont)) (* spiwack : compilation of constants with their arguments. Makes a special treatment with 31-bit integer addition *) -and compile_get_global reloc (kn,u) sz cont = +and compile_get_global cenv (kn,u) sz cont = set_max_stack_size sz; if Univ.Instance.is_empty u then Kgetglobal kn :: cont else comp_app (fun _ _ _ cont -> Kgetglobal kn :: cont) - compile_universe reloc () (Univ.Instance.to_array u) sz cont + compile_universe cenv () (Univ.Instance.to_array u) sz cont -and compile_universe reloc uni sz cont = +and compile_universe cenv uni sz cont = set_max_stack_size sz; match Univ.Level.var_index uni with - | None -> compile_structured_constant reloc (Const_univ_level uni) sz cont - | Some idx -> pos_universe_var idx reloc sz :: cont + | None -> compile_structured_constant cenv (Const_univ_level uni) sz cont + | Some idx -> pos_universe_var idx cenv sz :: cont -and compile_constant env reloc kn u args sz cont = +and compile_constant env cenv kn u args sz cont = set_max_stack_size sz; if Univ.Instance.is_empty u then (* normal compilation *) comp_app (fun _ _ sz cont -> - compile_get_global reloc (kn,u) sz cont) - (compile_lam env) reloc () args sz cont + compile_get_global cenv (kn,u) sz cont) + (compile_lam env) cenv () args sz cont else - let compile_arg reloc constr_or_uni sz cont = + let compile_arg cenv constr_or_uni sz cont = match constr_or_uni with - | ArgLambda t -> compile_lam env reloc t sz cont - | ArgUniv uni -> compile_universe reloc uni sz cont + | ArgLambda t -> compile_lam env cenv t sz cont + | ArgUniv uni -> compile_universe cenv uni sz cont in let u = Univ.Instance.to_array u in let lu = Array.length u in @@ -781,7 +798,7 @@ and compile_constant env reloc kn u args sz cont = (fun i -> if i < lu then ArgUniv u.(i) else ArgLambda args.(i-lu)) in comp_app (fun _ _ _ cont -> Kgetglobal kn :: cont) - compile_arg reloc () all sz cont + compile_arg cenv () all sz cont (*template for n-ary operation, invariant: n>=1, the operations does the following : @@ -790,34 +807,34 @@ and compile_constant env reloc kn u args sz cont = 3/ if at least one is not, branches to the normal behavior: Kgetglobal (get_alias !global_env kn) *) and op_compilation env n op = - let code_construct reloc kn sz cont = + let code_construct cenv kn sz cont = let f_cont = let else_lbl = Label.create () in Kareconst(n, else_lbl):: Kacc 0:: Kpop 1:: op:: Kreturn 0:: Klabel else_lbl:: (* works as comp_app with nargs = n and tailcall cont [Kreturn 0]*) - compile_get_global reloc kn sz ( + compile_get_global cenv kn sz ( Kappterm(n, n):: []) (* = discard_dead_code [Kreturn 0] *) in let lbl = Label.create () in fun_code := [Ksequence (add_grab n lbl f_cont, !fun_code)]; Kclosure(lbl, 0)::cont in - fun kn reloc args sz cont -> + fun kn cenv args sz cont -> let nargs = Array.length args in if Int.equal nargs n then (*if it is a fully applied addition*) let (escape, labeled_cont) = make_branch cont in let else_lbl = Label.create () in assert (n < 4); - comp_args (compile_lam env) reloc args sz + comp_args (compile_lam env) cenv args sz (Kisconst else_lbl::(make_areconst (n-1) else_lbl (*Kaddint31::escape::Klabel else_lbl::Kpush::*) (op::escape::Klabel else_lbl::Kpush:: (* works as comp_app with nargs < 4 and non-tailcall cont*) - compile_get_global reloc kn (sz+n) (Kapply n::labeled_cont)))) + compile_get_global cenv kn (sz+n) (Kapply n::labeled_cont)))) else - comp_app (fun reloc _ sz cont -> code_construct reloc kn sz cont) - (compile_lam env) reloc () args sz cont + comp_app (fun cenv _ sz cont -> code_construct cenv kn sz cont) + (compile_lam env) cenv () args sz cont let is_univ_copy max u = @@ -832,6 +849,8 @@ let is_univ_copy max u = else false +let dump_bytecode = ref false + let dump_bytecodes init code fvs = let open Pp in (str "code =" ++ fnl () ++ @@ -846,11 +865,11 @@ let compile ~fail_on_error ?universes:(universes=0) env c = Label.reset_label_counter (); let cont = [Kstop] in try - let reloc, init_code = + let cenv, init_code = if Int.equal universes 0 then let lam = lambda_of_constr ~optimize:true env c in - let reloc = empty_comp_env () in - reloc, ensure_stack_capacity (compile_lam env reloc lam 0) cont + let cenv = empty_comp_env () in + cenv, ensure_stack_capacity (compile_lam env cenv lam 0) cont else (* We are going to generate a lambda, but merge the universe closure * with the function closure if it exists. @@ -858,7 +877,7 @@ let compile ~fail_on_error ?universes:(universes=0) env c = let lam = lambda_of_constr ~optimize:true env c in let params, body = decompose_Llam lam in let arity = Array.length params in - let reloc = empty_comp_env () in + let cenv = empty_comp_env () in let full_arity = arity + universes in let r_fun = comp_env_fun ~univs:universes arity in let lbl_fun = Label.create () in @@ -869,13 +888,13 @@ let compile ~fail_on_error ?universes:(universes=0) env c = fun_code := [Ksequence(add_grab full_arity lbl_fun cont_fun,!fun_code)]; let fv = fv r_fun in let init_code = - ensure_stack_capacity (compile_fv reloc fv.fv_rev 0) + ensure_stack_capacity (compile_fv cenv fv.fv_rev 0) (Kclosure(lbl_fun,fv.size) :: cont) in - reloc, init_code + cenv, init_code in - let fv = List.rev (!(reloc.in_env).fv_rev) in - (if !Flags.dump_bytecode then + let fv = List.rev (!(cenv.in_env).fv_rev) in + (if !dump_bytecode then Feedback.msg_debug (dump_bytecodes init_code !fun_code fv)) ; Some (init_code,!fun_code, Array.of_list fv) with TooLargeInductive msg -> @@ -922,13 +941,13 @@ let op2_compilation op = fun_code := [Ksequence (add_grab 2 lbl f_cont, !fun_code)]; Kclosure(lbl, 0)::cont in - fun normal fc _ reloc args sz cont -> + fun normal fc _ cenv args sz cont -> if not fc then raise Not_found else let nargs = Array.length args in if nargs=2 then (*if it is a fully applied addition*) let (escape, labeled_cont) = make_branch cont in let else_lbl = Label.create () in - comp_args compile_constr reloc args sz + comp_args compile_constr cenv args sz (Kisconst else_lbl::(make_areconst 1 else_lbl (*Kaddint31::escape::Klabel else_lbl::Kpush::*) (op::escape::Klabel else_lbl::Kpush:: @@ -940,5 +959,5 @@ let op2_compilation op = code_construct normal cont else comp_app (fun _ _ _ cont -> code_construct normal cont) - compile_constr reloc () args sz cont *) + compile_constr cenv () args sz cont *) diff --git a/kernel/cbytegen.mli b/kernel/cbytegen.mli index abab58b60b..57d3e6fc27 100644 --- a/kernel/cbytegen.mli +++ b/kernel/cbytegen.mli @@ -12,7 +12,7 @@ open Cbytecodes open Cemitcodes open Constr open Declarations -open Pre_env +open Environ (** Should only be used for monomorphic terms *) val compile : fail_on_error:bool -> @@ -25,3 +25,6 @@ val compile_constant_body : fail_on_error:bool -> (** Shortcut of the previous function used during module strengthening *) val compile_alias : Names.Constant.t -> body_code + +(** Dump the bytecode after compilation (for debugging purposes) *) +val dump_bytecode : bool ref diff --git a/kernel/cemitcodes.ml b/kernel/cemitcodes.ml index 14f4f27c09..50f5607e31 100644 --- a/kernel/cemitcodes.ml +++ b/kernel/cemitcodes.ml @@ -13,20 +13,22 @@ (* Extension: Arnaud Spiwack (support for native arithmetic), May 2005 *) open Names -open Term +open Constr +open Vmvalues open Cbytecodes open Copcodes open Mod_subst type emitcodes = String.t -external tcode_of_code : Bytes.t -> int -> Vmvalues.tcode = "coq_tcode_of_code" +external tcode_of_code : Bytes.t -> Vmvalues.tcode = "coq_tcode_of_code" (* Relocation information *) type reloc_info = | Reloc_annot of annot_switch | Reloc_const of structured_constant | Reloc_getglobal of Names.Constant.t + | Reloc_proj_name of Projection.Repr.t let eq_reloc_info r1 r2 = match r1, r2 with | Reloc_annot sw1, Reloc_annot sw2 -> eq_annot_switch sw1 sw2 @@ -35,6 +37,8 @@ let eq_reloc_info r1 r2 = match r1, r2 with | Reloc_const _, _ -> false | Reloc_getglobal c1, Reloc_getglobal c2 -> Constant.equal c1 c2 | Reloc_getglobal _, _ -> false +| Reloc_proj_name p1, Reloc_proj_name p2 -> Projection.Repr.equal p1 p2 +| Reloc_proj_name _, _ -> false let hash_reloc_info r = let open Hashset.Combine in @@ -42,6 +46,7 @@ let hash_reloc_info r = | Reloc_annot sw -> combinesmall 1 (hash_annot_switch sw) | Reloc_const c -> combinesmall 2 (hash_structured_constant c) | Reloc_getglobal c -> combinesmall 3 (Constant.hash c) + | Reloc_proj_name p -> combinesmall 4 (Projection.Repr.hash p) module RelocTable = Hashtbl.Make(struct type t = reloc_info @@ -82,7 +87,7 @@ let patch buff pl f = (** Order seems important here? *) let reloc = CArray.map (fun (r, pos) -> (f r, pos)) pl.reloc_infos in let buff = patch_int buff reloc in - tcode_of_code buff (Bytes.length buff) + tcode_of_code buff (* Buffering of bytecode *) @@ -187,6 +192,9 @@ let slot_for_getglobal env p = enter env (Reloc_getglobal p); out_int env 0 +let slot_for_proj_name env p = + enter env (Reloc_proj_name p); + out_int env 0 (* Emission of one instruction *) @@ -277,7 +285,7 @@ let emit_instr env = function if n <= 1 then out env (opSETFIELD0+n) else (out env opSETFIELD;out_int env n) | Ksequence _ -> invalid_arg "Cemitcodes.emit_instr" - | Kproj (n,p) -> out env opPROJ; out_int env n; slot_for_const env (Const_proj p) + | Kproj p -> out env opPROJ; out_int env (Projection.Repr.arg p); slot_for_proj_name env p | Kensurestackcapacity size -> out env opENSURESTACKCAPACITY; out_int env size (* spiwack *) | Kbranch lbl -> out env opBRANCH; out_label env lbl @@ -350,11 +358,9 @@ let rec emit env insns remaining = match insns with type to_patch = emitcodes * patches * fv (* Substitution *) -let rec subst_strcst s sc = +let subst_strcst s sc = match sc with - | Const_sort _ | Const_b0 _ | Const_univ_level _ -> sc - | Const_proj p -> Const_proj (subst_constant s p) - | Const_bn(tag,args) -> Const_bn(tag,Array.map (subst_strcst s) args) + | Const_sort _ | Const_b0 _ | Const_univ_level _ | Const_val _ -> sc | Const_ind ind -> let kn,i = ind in Const_ind (subst_mind s kn, i) let subst_reloc s ri = @@ -365,6 +371,7 @@ let subst_reloc s ri = Reloc_annot {a with ci = ci} | Reloc_const sc -> Reloc_const (subst_strcst s sc) | Reloc_getglobal kn -> Reloc_getglobal (subst_constant s kn) + | Reloc_proj_name p -> Reloc_proj_name (subst_proj_repr s p) let subst_patches subst p = let infos = CArray.map (fun (r, pos) -> (subst_reloc subst r, pos)) p.reloc_infos in diff --git a/kernel/cemitcodes.mli b/kernel/cemitcodes.mli index 03920dc1a3..39ddf4a047 100644 --- a/kernel/cemitcodes.mli +++ b/kernel/cemitcodes.mli @@ -1,10 +1,12 @@ open Names +open Vmvalues open Cbytecodes type reloc_info = | Reloc_annot of annot_switch | Reloc_const of structured_constant | Reloc_getglobal of Constant.t + | Reloc_proj_name of Projection.Repr.t type patches type emitcodes diff --git a/kernel/cinstr.mli b/kernel/cinstr.mli index 4a3c03d85e..dca1757b7d 100644 --- a/kernel/cinstr.mli +++ b/kernel/cinstr.mli @@ -9,6 +9,7 @@ (************************************************************************) open Names open Constr +open Vmvalues open Cbytecodes (** This file defines the lambda code for the bytecode compiler. It has been @@ -31,14 +32,19 @@ and lambda = | Lprim of pconstant * int (* arity *) * instruction * lambda array | Lcase of case_info * reloc_table * lambda * lambda * lam_branches | Lfix of (int array * int) * fix_decl - | Lcofix of int * fix_decl + | Lcofix of int * fix_decl (* must be in eta-expanded form *) | Lmakeblock of int * lambda array - | Lval of structured_constant + | Lval of structured_values | Lsort of Sorts.t | Lind of pinductive - | Lproj of int * Constant.t * lambda + | Lproj of Projection.Repr.t * lambda + | Lint of int | Luint of uint +(* Cofixpoints have to be in eta-expanded form for their call-by-need evaluation +to be correct. Otherwise, memoization of previous evaluations will be applied +again to extra arguments (see #7333). *) + and lam_branches = { constant_branches : lambda array; nonconstant_branches : (Name.t array * lambda) array } diff --git a/kernel/clambda.ml b/kernel/clambda.ml index 7b637c20e6..1e4dbfd418 100644 --- a/kernel/clambda.ml +++ b/kernel/clambda.ml @@ -4,9 +4,10 @@ open Esubst open Term open Constr open Declarations +open Vmvalues open Cbytecodes open Cinstr -open Pre_env +open Environ open Pp let pr_con sp = str(Names.Label.to_string (Constant.label sp)) @@ -106,15 +107,17 @@ let rec pp_lam lam = | Lval _ -> str "values" | Lsort s -> pp_sort s | Lind ((mind,i), _) -> MutInd.print mind ++ str"#" ++ int i - | Lprim((kn,_u),ar,op,args) -> + | Lprim((kn,_u),_ar,_op,args) -> hov 1 (str "(PRIM " ++ pr_con kn ++ spc() ++ prlist_with_sep spc pp_lam (Array.to_list args) ++ str")") - | Lproj(i,kn,arg) -> + | Lproj(p,arg) -> hov 1 - (str "(proj#" ++ int i ++ spc() ++ pr_con kn ++ str "(" ++ pp_lam arg + (str "(proj " ++ Projection.Repr.print p ++ str "(" ++ pp_lam arg ++ str ")") + | Lint i -> + Pp.(str "(int:" ++ int i ++ str ")") | Luint _ -> str "(uint)" @@ -150,9 +153,9 @@ let shift subst = subs_shft (1, subst) let rec map_lam_with_binders g f n lam = match lam with - | Lrel _ | Lvar _ | Lconst _ | Lval _ | Lsort _ | Lind _ -> lam + | Lrel _ | Lvar _ | Lconst _ | Lval _ | Lsort _ | Lind _ | Lint _ -> lam | Levar (evk, args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then lam else Levar (evk, args') | Lprod(dom,codom) -> let dom' = f n dom in @@ -167,19 +170,19 @@ let rec map_lam_with_binders g f n lam = if body == body' && def == def' then lam else Llet(id,def',body') | Lapp(fct,args) -> let fct' = f n fct in - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if fct == fct' && args == args' then lam else mkLapp fct' args' | Lcase(ci,rtbl,t,a,branches) -> let const = branches.constant_branches in let nonconst = branches.nonconstant_branches in let t' = f n t in let a' = f n a in - let const' = Array.smartmap (f n) const in + let const' = Array.Smart.map (f n) const in let on_b b = let (ids,body) = b in let body' = f (g (Array.length ids) n) body in if body == body' then b else (ids,body') in - let nonconst' = Array.smartmap on_b nonconst in + let nonconst' = Array.Smart.map on_b nonconst in let branches' = if const == const' && nonconst == nonconst' then branches @@ -190,33 +193,33 @@ let rec map_lam_with_binders g f n lam = if t == t' && a == a' && branches == branches' then lam else Lcase(ci,rtbl,t',a',branches') | Lfix(init,(ids,ltypes,lbodies)) -> - let ltypes' = Array.smartmap (f n) ltypes in - let lbodies' = Array.smartmap (f (g (Array.length ids) n)) lbodies in + let ltypes' = Array.Smart.map (f n) ltypes in + let lbodies' = Array.Smart.map (f (g (Array.length ids) n)) lbodies in if ltypes == ltypes' && lbodies == lbodies' then lam else Lfix(init,(ids,ltypes',lbodies')) | Lcofix(init,(ids,ltypes,lbodies)) -> - let ltypes' = Array.smartmap (f n) ltypes in - let lbodies' = Array.smartmap (f (g (Array.length ids) n)) lbodies in + let ltypes' = Array.Smart.map (f n) ltypes in + let lbodies' = Array.Smart.map (f (g (Array.length ids) n)) lbodies in if ltypes == ltypes' && lbodies == lbodies' then lam else Lcofix(init,(ids,ltypes',lbodies')) | Lmakeblock(tag,args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then lam else Lmakeblock(tag,args') | Lprim(kn,ar,op,args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then lam else Lprim(kn,ar,op,args') - | Lproj(i,kn,arg) -> + | Lproj(p,arg) -> let arg' = f n arg in - if arg == arg' then lam else Lproj(i,kn,arg') + if arg == arg' then lam else Lproj(p,arg') | Luint u -> let u' = map_uint g f n u in if u == u' then lam else Luint u' -and map_uint g f n u = +and map_uint _g f n u = match u with | UintVal _ -> u | UintDigits(args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then u else UintDigits(args') | UintDecomp(a) -> let a' = f n a in @@ -250,7 +253,7 @@ let rec lam_exsubst subst lam = let lam_subst_args subst args = if is_subs_id subst then args - else Array.smartmap (lam_exsubst subst) args + else Array.Smart.map (lam_exsubst subst) args (** Simplification of lambda expression *) @@ -269,7 +272,7 @@ let lam_subst_args subst args = let can_subst lam = match lam with | Lrel _ | Lvar _ | Lconst _ - | Lval _ | Lsort _ | Lind _ | Llam _ -> true + | Lval _ | Lsort _ | Lind _ -> true | _ -> false let rec simplify subst lam = @@ -316,7 +319,7 @@ and simplify_app substf f substa args = simplify_app substf f subst_id args | _ -> mkLapp (simplify substf f) (simplify_args substa args) -and simplify_args subst args = Array.smartmap (simplify subst) args +and simplify_args subst args = Array.Smart.map (simplify subst) args and reduce_lapp substf lids body substa largs = match lids, largs with @@ -349,7 +352,7 @@ let rec occurrence k kind lam = if n = k then if kind then false else raise Not_found else kind - | Lvar _ | Lconst _ | Lval _ | Lsort _ | Lind _ -> kind + | Lvar _ | Lconst _ | Lval _ | Lsort _ | Lind _ | Lint _ -> kind | Levar (_, args) -> occurrence_args k kind args | Lprod(dom, codom) -> @@ -376,7 +379,7 @@ let rec occurrence k kind lam = let kind = occurrence_args k kind ltypes in let _ = occurrence_args (k+Array.length ids) false lbodies in kind - | Lproj(_,_,arg) -> + | Lproj(_,arg) -> occurrence k kind arg | Luint u -> occurrence_uint k kind u @@ -419,7 +422,7 @@ let rec remove_let subst lam = exception TooLargeInductive of Pp.t let max_nb_const = 0x1000000 -let max_nb_block = 0x1000000 + last_variant_tag - 1 +let max_nb_block = 0x1000000 + Obj.last_non_constant_constructor_tag - 1 let str_max_constructors = Format.sprintf @@ -436,23 +439,22 @@ let check_compilable ib = let is_value lc = match lc with - | Lval _ -> true + | Lval _ | Lint _ -> true | _ -> false let get_value lc = match lc with | Lval v -> v + | Lint i -> val_of_int i | _ -> raise Not_found -let mkConst_b0 n = Lval (Cbytecodes.Const_b0 n) - let make_args start _end = Array.init (start - _end + 1) (fun i -> Lrel (Anonymous, start - i)) (* Translation of constructors *) let expand_constructor tag nparams arity = let ids = Array.make (nparams + arity) Anonymous in - if arity = 0 then mkLlam ids (mkConst_b0 tag) + if arity = 0 then mkLlam ids (Lint tag) else let args = make_args arity 1 in Llam(ids, Lmakeblock (tag, args)) @@ -463,15 +465,15 @@ let makeblock tag nparams arity args = mkLapp (expand_constructor tag nparams arity) args else (* The constructor is fully applied *) - if arity = 0 then mkConst_b0 tag + if arity = 0 then Lint tag else if Array.for_all is_value args then - if tag < last_variant_tag then - Lval(Cbytecodes.Const_bn(tag, Array.map get_value args)) + if tag < Obj.last_non_constant_constructor_tag then + Lval(val_of_block tag (Array.map get_value args)) else let args = Array.map get_value args in - let args = Array.append [|Cbytecodes.Const_b0 (tag - last_variant_tag) |] args in - Lval(Cbytecodes.Const_bn(last_variant_tag, args)) + let args = Array.append [| val_of_int (tag - Obj.last_non_constant_constructor_tag) |] args in + Lval(val_of_block Obj.last_non_constant_constructor_tag args) else Lmakeblock(tag, args) @@ -530,7 +532,7 @@ struct size = 0; } - let extend v = + let extend (v : 'a t) = if v.size = Array.length v.elems then let new_size = min (2*v.size) Sys.max_array_length in if new_size <= v.size then raise (Invalid_argument "Vect.extend"); @@ -543,12 +545,12 @@ struct v.elems.(v.size) <- a; v.size <- v.size + 1 - let popn v n = + let popn (v : 'a t) n = v.size <- max 0 (v.size - n) let pop v = popn v 1 - let get_last v n = + let get_last (v : 'a t) n = if v.size <= n then raise (Invalid_argument "Vect.get:index out of bounds"); v.elems.(v.size - n - 1) @@ -659,11 +661,11 @@ let rec lambda_of_constr env c = (* translation of the argument *) let la = lambda_of_constr env a in - let entry = mkInd ind in + let gr = GlobRef.IndRef ind in let la = try Retroknowledge.get_vm_before_match_info env.global_env.retroknowledge - entry la + gr la with Not_found -> la in (* translation of the type *) @@ -700,6 +702,7 @@ let rec lambda_of_constr env c = Lfix(rec_init, (names, ltypes, lbodies)) | CoFix(init,(names,type_bodies,rec_bodies)) -> + let rec_bodies = Array.map2 (Reduction.eta_expand env.global_env) rec_bodies type_bodies in let ltypes = lambda_of_args env 0 type_bodies in Renv.push_rels env names; let lbodies = lambda_of_args env 0 rec_bodies in @@ -707,16 +710,12 @@ let rec lambda_of_constr env c = Lcofix(init, (names, ltypes, lbodies)) | Proj (p,c) -> - let kn = Projection.constant p in - let cb = lookup_constant kn env.global_env in - let pb = Option.get cb.const_proj in - let n = pb.proj_arg in let lc = lambda_of_constr env c in - Lproj (n,kn,lc) + Lproj (Projection.repr p,lc) and lambda_of_app env f args = match Constr.kind f with - | Const (kn,u as c) -> + | Const (kn,_u as c) -> let kn = get_alias env.global_env kn in (* spiwack: checks if there is a specific way to compile the constant if there is not, Not_found is raised, and the function @@ -724,7 +723,7 @@ and lambda_of_app env f args = (try (* We delay the compilation of arguments to avoid an exponential behavior *) let f = Retroknowledge.get_vm_compiling_info env.global_env.retroknowledge - (mkConstU (kn,u)) in + (GlobRef.ConstRef kn) in let args = lambda_of_args env 0 args in f args with Not_found -> @@ -737,6 +736,7 @@ and lambda_of_app env f args = | Construct (c,_) -> let tag, nparams, arity = Renv.get_construct_info env c in let nargs = Array.length args in + let gr = GlobRef.ConstructRef c in if Int.equal (nparams + arity) nargs then (* fully applied *) (* spiwack: *) (* 1/ tries to compile the constructor in an optimal way, @@ -751,7 +751,7 @@ and lambda_of_app env f args = try Retroknowledge.get_vm_constant_static_info env.global_env.retroknowledge - f args + gr args with NotClosed -> (* 2/ if the arguments are not all closed (this is expectingly (and it is currently the case) the only @@ -764,7 +764,7 @@ and lambda_of_app env f args = and such, which can't be done at this time. for instance, for int31: if one of the digit is not closed, it's not impossible that the number - gets fully instanciated at run-time, thus to ensure + gets fully instantiated at run-time, thus to ensure uniqueness of the representation in the vm it is necessary to try and build a caml integer during the execution *) @@ -772,7 +772,7 @@ and lambda_of_app env f args = let args = lambda_of_args env nparams rargs in Retroknowledge.get_vm_constant_dynamic_info env.global_env.retroknowledge - f args + gr args with Not_found -> (* 3/ if no special behavior is available, then the compiler falls back to the normal behavior *) @@ -785,7 +785,7 @@ and lambda_of_app env f args = (try (Retroknowledge.get_vm_constant_dynamic_info env.global_env.retroknowledge - f) args + gr) args with Not_found -> if nparams <= nargs then (* got all parameters *) makeblock tag 0 arity args @@ -807,7 +807,7 @@ and lambda_of_args env start args = (*********************************) - +let dump_lambda = ref false let optimize_lambda lam = let lam = simplify subst_id lam in @@ -815,11 +815,11 @@ let optimize_lambda lam = let lambda_of_constr ~optimize genv c = let env = Renv.make genv in - let ids = List.rev_map Context.Rel.Declaration.get_name genv.env_rel_context.env_rel_ctx in + let ids = List.rev_map Context.Rel.Declaration.get_name (rel_context genv) in Renv.push_rels env (Array.of_list ids); let lam = lambda_of_constr env c in let lam = if optimize then optimize_lambda lam else lam in - if !Flags.dump_lambda then + if !dump_lambda then Feedback.msg_debug (pp_lam lam); lam @@ -837,10 +837,11 @@ let dynamic_int31_compilation fc args = if not fc then raise Not_found else Luint (UintDigits args) +let d0 = Lint 0 +let d1 = Lint 1 + (* We are relying here on the tags of digits constructors *) let digits_from_uint i = - let d0 = mkConst_b0 0 in - let d1 = mkConst_b0 1 in let digits = Array.make 31 d0 in for k = 0 to 30 do if Int.equal ((Uint31.to_int i lsr k) land 1) 1 then diff --git a/kernel/clambda.mli b/kernel/clambda.mli index 89b7fd8e3b..8ff10b4549 100644 --- a/kernel/clambda.mli +++ b/kernel/clambda.mli @@ -1,13 +1,14 @@ open Names open Cinstr +open Environ exception TooLargeInductive of Pp.t -val lambda_of_constr : optimize:bool -> Pre_env.env -> Constr.t -> lambda +val lambda_of_constr : optimize:bool -> env -> Constr.t -> lambda val decompose_Llam : lambda -> Name.t array * lambda -val get_alias : Pre_env.env -> Constant.t -> Constant.t +val get_alias : env -> Constant.t -> Constant.t val compile_prim : int -> Cbytecodes.instruction -> Constr.pconstant -> bool -> lambda array -> lambda @@ -25,3 +26,6 @@ val dynamic_int31_compilation : bool -> lambda array -> lambda (*spiwack: compiling function to insert dynamic decompilation before matching integers (in case they are in processor representation) *) val int31_escape_before_match : bool -> lambda -> lambda + +(** Dump the VM lambda code after compilation (for debugging purposes) *) +val dump_lambda : bool ref diff --git a/kernel/constr.ml b/kernel/constr.ml index ba7fecadf8..8e5d15dd2d 100644 --- a/kernel/constr.ml +++ b/kernel/constr.ml @@ -100,28 +100,20 @@ type ('constr, 'types, 'sort, 'univs) kind_of_term = | Case of case_info * 'constr * 'constr * 'constr array | Fix of ('constr, 'types) pfixpoint | CoFix of ('constr, 'types) pcofixpoint - | Proj of projection * 'constr + | Proj of Projection.t * 'constr (* constr is the fixpoint of the previous type. Requires option -rectypes of the Caml compiler to be set *) type t = (t, t, Sorts.t, Instance.t) kind_of_term type constr = t type existential = existential_key * constr array -type rec_declaration = Name.t array * constr array * constr array -type fixpoint = (int array * int) * rec_declaration - (* The array of [int]'s tells for each component of the array of - mutual fixpoints the number of lambdas to skip before finding the - recursive argument (e.g., value is 2 in "fix f (x:A) (y:=t) (z:B) - (v:=u) (w:I) {struct w}"), telling to skip x and z and that w is - the recursive argument); - The second component [int] tells which component of the block is - returned *) -type cofixpoint = int * rec_declaration - (* The component [int] tells which component of the block of - cofixpoint is returned *) type types = constr +type rec_declaration = (constr, types) prec_declaration +type fixpoint = (constr, types) pfixpoint +type cofixpoint = (constr, types) pcofixpoint + (*********************) (* Term constructors *) (*********************) @@ -138,8 +130,8 @@ let mkProp = Sort Sorts.prop let mkSet = Sort Sorts.set let mkType u = Sort (Sorts.Type u) let mkSort = function - | Sorts.Prop Sorts.Null -> mkProp (* Easy sharing *) - | Sorts.Prop Sorts.Pos -> mkSet + | Sorts.Prop -> mkProp (* Easy sharing *) + | Sorts.Set -> mkSet | s -> Sort s (* Constructs the term t1::t2, i.e. the term t1 casted with the type t2 *) @@ -235,6 +227,12 @@ let mkMeta n = Meta n (* Constructs a Variable named id *) let mkVar id = Var id +let mkRef (gr,u) = let open GlobRef in match gr with + | ConstRef c -> mkConstU (c,u) + | IndRef ind -> mkIndU (ind,u) + | ConstructRef c -> mkConstructU (c,u) + | VarRef x -> mkVar x + (************************************************************************) (* kind_of_term = constructions as seen by the user *) (************************************************************************) @@ -245,6 +243,17 @@ let mkVar id = Var id let kind c = c +let rec kind_nocast_gen kind c = + match kind c with + | Cast (c, _, _) -> kind_nocast_gen kind c + | App (h, outer) as k -> + (match kind_nocast_gen kind h with + | App (h, inner) -> App (h, Array.append inner outer) + | _ -> k) + | k -> k + +let kind_nocast c = kind_nocast_gen kind c + (* The other way around. We treat specifically smart constructors *) let of_kind = function | App (f, a) -> mkApp (f, a) @@ -268,17 +277,17 @@ let isSort c = match kind c with | _ -> false let rec isprop c = match kind c with - | Sort (Sorts.Prop _) -> true + | Sort (Sorts.Prop | Sorts.Set) -> true | Cast (c,_,_) -> isprop c | _ -> false let rec is_Prop c = match kind c with - | Sort (Sorts.Prop Sorts.Null) -> true + | Sort Sorts.Prop -> true | Cast (c,_,_) -> is_Prop c | _ -> false let rec is_Set c = match kind c with - | Sort (Sorts.Prop Sorts.Pos) -> true + | Sort Sorts.Set -> true | Cast (c,_,_) -> is_Set c | _ -> false @@ -368,17 +377,17 @@ let destConst c = match kind c with (* Destructs an existential variable *) let destEvar c = match kind c with - | Evar (kn, a as r) -> r + | Evar (_kn, _a as r) -> r | _ -> raise DestKO (* Destructs a (co)inductive type named kn *) let destInd c = match kind c with - | Ind (kn, a as r) -> r + | Ind (_kn, _a as r) -> r | _ -> raise DestKO (* Destructs a constructor *) let destConstruct c = match kind c with - | Construct (kn, a as r) -> r + | Construct (_kn, _a as r) -> r | _ -> raise DestKO (* Destructs a term <p>Case c of lc1 | lc2 .. | lcn end *) @@ -398,6 +407,12 @@ let destCoFix c = match kind c with | CoFix cofix -> cofix | _ -> raise DestKO +let destRef c = let open GlobRef in match kind c with + | Var x -> VarRef x, Univ.Instance.empty + | Const (c,u) -> ConstRef c, u + | Ind (ind,u) -> IndRef ind, u + | Construct (c,u) -> ConstructRef c, u + | _ -> raise DestKO (******************************************************************) (* Flattening and unflattening of embedded applications and casts *) @@ -429,12 +444,12 @@ let fold f acc c = match kind c with | Lambda (_,t,c) -> f (f acc t) c | LetIn (_,b,t,c) -> f (f (f acc b) t) c | App (c,l) -> Array.fold_left f (f acc c) l - | Proj (p,c) -> f acc c + | Proj (_p,c) -> f acc c | Evar (_,l) -> Array.fold_left f acc l | Case (_,p,c,bl) -> Array.fold_left f (f (f acc p) c) bl - | Fix (_,(lna,tl,bl)) -> + | Fix (_,(_lna,tl,bl)) -> Array.fold_left2 (fun acc t b -> f (f acc t) b) acc tl bl - | CoFix (_,(lna,tl,bl)) -> + | CoFix (_,(_lna,tl,bl)) -> Array.fold_left2 (fun acc t b -> f (f acc t) b) acc tl bl (* [iter f c] iters [f] on the immediate subterms of [c]; it is @@ -449,7 +464,7 @@ let iter f c = match kind c with | Lambda (_,t,c) -> f t; f c | LetIn (_,b,t,c) -> f b; f t; f c | App (c,l) -> f c; Array.iter f l - | Proj (p,c) -> f c + | Proj (_p,c) -> f c | Evar (_,l) -> Array.iter f l | Case (_,p,c,bl) -> f p; f c; Array.iter f bl | Fix (_,(_,tl,bl)) -> Array.iter f tl; Array.iter f bl @@ -468,22 +483,122 @@ let iter_with_binders g f n c = match kind c with | Prod (_,t,c) -> f n t; f (g n) c | Lambda (_,t,c) -> f n t; f (g n) c | LetIn (_,b,t,c) -> f n b; f n t; f (g n) c - | App (c,l) -> f n c; CArray.Fun1.iter f n l - | Evar (_,l) -> CArray.Fun1.iter f n l - | Case (_,p,c,bl) -> f n p; f n c; CArray.Fun1.iter f n bl - | Proj (p,c) -> f n c + | App (c,l) -> f n c; Array.Fun1.iter f n l + | Evar (_,l) -> Array.Fun1.iter f n l + | Case (_,p,c,bl) -> f n p; f n c; Array.Fun1.iter f n bl + | Proj (_p,c) -> f n c | Fix (_,(_,tl,bl)) -> - CArray.Fun1.iter f n tl; - CArray.Fun1.iter f (iterate g (Array.length tl) n) bl + Array.Fun1.iter f n tl; + Array.Fun1.iter f (iterate g (Array.length tl) n) bl | CoFix (_,(_,tl,bl)) -> - CArray.Fun1.iter f n tl; - CArray.Fun1.iter f (iterate g (Array.length tl) n) bl + Array.Fun1.iter f n tl; + Array.Fun1.iter f (iterate g (Array.length tl) n) bl + +(* [fold_constr_with_binders g f n acc c] folds [f n] on the immediate + subterms of [c] starting from [acc] and proceeding from left to + right according to the usual representation of the constructions as + [fold_constr] but it carries an extra data [n] (typically a lift + index) which is processed by [g] (which typically add 1 to [n]) at + each binder traversal; it is not recursive *) + +let fold_constr_with_binders g f n acc c = + match kind c with + | (Rel _ | Meta _ | Var _ | Sort _ | Const _ | Ind _ + | Construct _) -> acc + | Cast (c,_, t) -> f n (f n acc c) t + | Prod (_na,t,c) -> f (g n) (f n acc t) c + | Lambda (_na,t,c) -> f (g n) (f n acc t) c + | LetIn (_na,b,t,c) -> f (g n) (f n (f n acc b) t) c + | App (c,l) -> Array.fold_left (f n) (f n acc c) l + | Proj (_p,c) -> f n acc c + | Evar (_,l) -> Array.fold_left (f n) acc l + | Case (_,p,c,bl) -> Array.fold_left (f n) (f n (f n acc p) c) bl + | Fix (_,(_,tl,bl)) -> + let n' = iterate g (Array.length tl) n in + let fd = Array.map2 (fun t b -> (t,b)) tl bl in + Array.fold_left (fun acc (t,b) -> f n' (f n acc t) b) acc fd + | CoFix (_,(_,tl,bl)) -> + let n' = iterate g (Array.length tl) n in + let fd = Array.map2 (fun t b -> (t,b)) tl bl in + Array.fold_left (fun acc (t,b) -> f n' (f n acc t) b) acc fd (* [map f c] maps [f] on the immediate subterms of [c]; it is not recursive and the order with which subterms are processed is not specified *) -let map f c = match kind c with +let rec map_under_context f n d = + if n = 0 then f d else + match kind d with + | LetIn (na,b,t,c) -> + let b' = f b in + let t' = f t in + let c' = map_under_context f (n-1) c in + if b' == b && t' == t && c' == c then d + else mkLetIn (na,b',t',c') + | Lambda (na,t,b) -> + let t' = f t in + let b' = map_under_context f (n-1) b in + if t' == t && b' == b then d + else mkLambda (na,t',b') + | _ -> CErrors.anomaly (Pp.str "Ill-formed context") + +let map_branches f ci bl = + let nl = Array.map List.length ci.ci_pp_info.cstr_tags in + let bl' = Array.map2 (map_under_context f) nl bl in + if Array.for_all2 (==) bl' bl then bl else bl' + +let map_return_predicate f ci p = + map_under_context f (List.length ci.ci_pp_info.ind_tags) p + +let rec map_under_context_with_binders g f l n d = + if n = 0 then f l d else + match kind d with + | LetIn (na,b,t,c) -> + let b' = f l b in + let t' = f l t in + let c' = map_under_context_with_binders g f (g l) (n-1) c in + if b' == b && t' == t && c' == c then d + else mkLetIn (na,b',t',c') + | Lambda (na,t,b) -> + let t' = f l t in + let b' = map_under_context_with_binders g f (g l) (n-1) b in + if t' == t && b' == b then d + else mkLambda (na,t',b') + | _ -> CErrors.anomaly (Pp.str "Ill-formed context") + +let map_branches_with_binders g f l ci bl = + let tags = Array.map List.length ci.ci_pp_info.cstr_tags in + let bl' = Array.map2 (map_under_context_with_binders g f l) tags bl in + if Array.for_all2 (==) bl' bl then bl else bl' + +let map_return_predicate_with_binders g f l ci p = + map_under_context_with_binders g f l (List.length ci.ci_pp_info.ind_tags) p + +let rec map_under_context_with_full_binders g f l n d = + if n = 0 then f l d else + match kind d with + | LetIn (na,b,t,c) -> + let b' = f l b in + let t' = f l t in + let c' = map_under_context_with_full_binders g f (g (Context.Rel.Declaration.LocalDef (na,b,t)) l) (n-1) c in + if b' == b && t' == t && c' == c then d + else mkLetIn (na,b',t',c') + | Lambda (na,t,b) -> + let t' = f l t in + let b' = map_under_context_with_full_binders g f (g (Context.Rel.Declaration.LocalAssum (na,t)) l) (n-1) b in + if t' == t && b' == b then d + else mkLambda (na,t',b') + | _ -> CErrors.anomaly (Pp.str "Ill-formed context") + +let map_branches_with_full_binders g f l ci bl = + let tags = Array.map List.length ci.ci_pp_info.cstr_tags in + let bl' = Array.map2 (map_under_context_with_full_binders g f l) tags bl in + if Array.for_all2 (==) bl' bl then bl else bl' + +let map_return_predicate_with_full_binders g f l ci p = + map_under_context_with_full_binders g f l (List.length ci.ci_pp_info.ind_tags) p + +let map_gen userview f c = match kind c with | (Rel _ | Meta _ | Var _ | Sort _ | Const _ | Ind _ | Construct _) -> c | Cast (b,k,t) -> @@ -509,7 +624,7 @@ let map f c = match kind c with else mkLetIn (na, b', t', k') | App (b,l) -> let b' = f b in - let l' = Array.smartmap f l in + let l' = Array.Smart.map f l in if b'==b && l'==l then c else mkApp (b', l') | Proj (p,t) -> @@ -517,26 +632,35 @@ let map f c = match kind c with if t' == t then c else mkProj (p, t') | Evar (e,l) -> - let l' = Array.smartmap f l in + let l' = Array.Smart.map f l in if l'==l then c else mkEvar (e, l') + | Case (ci,p,b,bl) when userview -> + let b' = f b in + let p' = map_return_predicate f ci p in + let bl' = map_branches f ci bl in + if b'==b && p'==p && bl'==bl then c + else mkCase (ci, p', b', bl') | Case (ci,p,b,bl) -> let b' = f b in let p' = f p in - let bl' = Array.smartmap f bl in + let bl' = Array.Smart.map f bl in if b'==b && p'==p && bl'==bl then c else mkCase (ci, p', b', bl') | Fix (ln,(lna,tl,bl)) -> - let tl' = Array.smartmap f tl in - let bl' = Array.smartmap f bl in + let tl' = Array.Smart.map f tl in + let bl' = Array.Smart.map f bl in if tl'==tl && bl'==bl then c else mkFix (ln,(lna,tl',bl')) | CoFix(ln,(lna,tl,bl)) -> - let tl' = Array.smartmap f tl in - let bl' = Array.smartmap f bl in + let tl' = Array.Smart.map f tl in + let bl' = Array.Smart.map f bl in if tl'==tl && bl'==bl then c else mkCoFix (ln,(lna,tl',bl')) +let map_user_view = map_gen true +let map = map_gen false + (* Like {!map} but with an accumulator. *) let fold_map f accu c = match kind c with @@ -565,7 +689,7 @@ let fold_map f accu c = match kind c with else accu, mkLetIn (na, b', t', k') | App (b,l) -> let accu, b' = f accu b in - let accu, l' = Array.smartfoldmap f accu l in + let accu, l' = Array.Smart.fold_left_map f accu l in if b'==b && l'==l then accu, c else accu, mkApp (b', l') | Proj (p,t) -> @@ -573,23 +697,23 @@ let fold_map f accu c = match kind c with if t' == t then accu, c else accu, mkProj (p, t') | Evar (e,l) -> - let accu, l' = Array.smartfoldmap f accu l in + let accu, l' = Array.Smart.fold_left_map f accu l in if l'==l then accu, c else accu, mkEvar (e, l') | Case (ci,p,b,bl) -> let accu, b' = f accu b in let accu, p' = f accu p in - let accu, bl' = Array.smartfoldmap f accu bl in + let accu, bl' = Array.Smart.fold_left_map f accu bl in if b'==b && p'==p && bl'==bl then accu, c else accu, mkCase (ci, p', b', bl') | Fix (ln,(lna,tl,bl)) -> - let accu, tl' = Array.smartfoldmap f accu tl in - let accu, bl' = Array.smartfoldmap f accu bl in + let accu, tl' = Array.Smart.fold_left_map f accu tl in + let accu, bl' = Array.Smart.fold_left_map f accu bl in if tl'==tl && bl'==bl then accu, c else accu, mkFix (ln,(lna,tl',bl')) | CoFix(ln,(lna,tl,bl)) -> - let accu, tl' = Array.smartfoldmap f accu tl in - let accu, bl' = Array.smartfoldmap f accu bl in + let accu, tl' = Array.Smart.fold_left_map f accu tl in + let accu, bl' = Array.Smart.fold_left_map f accu bl in if tl'==tl && bl'==bl then accu, c else accu, mkCoFix (ln,(lna,tl',bl')) @@ -625,7 +749,7 @@ let map_with_binders g f l c0 = match kind c0 with else mkLetIn (na, b', t', c') | App (c, al) -> let c' = f l c in - let al' = CArray.Fun1.smartmap f l al in + let al' = Array.Fun1.Smart.map f l al in if c' == c && al' == al then c0 else mkApp (c', al') | Proj (p, t) -> @@ -633,31 +757,74 @@ let map_with_binders g f l c0 = match kind c0 with if t' == t then c0 else mkProj (p, t') | Evar (e, al) -> - let al' = CArray.Fun1.smartmap f l al in + let al' = Array.Fun1.Smart.map f l al in if al' == al then c0 else mkEvar (e, al') | Case (ci, p, c, bl) -> let p' = f l p in let c' = f l c in - let bl' = CArray.Fun1.smartmap f l bl in + let bl' = Array.Fun1.Smart.map f l bl in if p' == p && c' == c && bl' == bl then c0 else mkCase (ci, p', c', bl') | Fix (ln, (lna, tl, bl)) -> - let tl' = CArray.Fun1.smartmap f l tl in + let tl' = Array.Fun1.Smart.map f l tl in let l' = iterate g (Array.length tl) l in - let bl' = CArray.Fun1.smartmap f l' bl in + let bl' = Array.Fun1.Smart.map f l' bl in if tl' == tl && bl' == bl then c0 else mkFix (ln,(lna,tl',bl')) | CoFix(ln,(lna,tl,bl)) -> - let tl' = CArray.Fun1.smartmap f l tl in + let tl' = Array.Fun1.Smart.map f l tl in let l' = iterate g (Array.length tl) l in - let bl' = CArray.Fun1.smartmap f l' bl in + let bl' = Array.Fun1.Smart.map f l' bl in mkCoFix (ln,(lna,tl',bl')) -type instance_compare_fn = global_reference -> int -> - Univ.Instance.t -> Univ.Instance.t -> bool +(*********************) +(* Lifting *) +(*********************) + +(* The generic lifting function *) +let rec exliftn el c = + let open Esubst in + match kind c with + | Rel i -> mkRel(reloc_rel i el) + | _ -> map_with_binders el_lift exliftn el c + +(* Lifting the binding depth across k bindings *) -type constr_compare_fn = int -> constr -> constr -> bool +let liftn n k c = + let open Esubst in + match el_liftn (pred k) (el_shft n el_id) with + | ELID -> c + | el -> exliftn el c + +let lift n = liftn n 1 + +let fold_with_full_binders g f n acc c = + let open Context.Rel.Declaration in + match kind c with + | Rel _ | Meta _ | Var _ | Sort _ | Const _ | Ind _ | Construct _ -> acc + | Cast (c,_, t) -> f n (f n acc c) t + | Prod (na,t,c) -> f (g (LocalAssum (na,t)) n) (f n acc t) c + | Lambda (na,t,c) -> f (g (LocalAssum (na,t)) n) (f n acc t) c + | LetIn (na,b,t,c) -> f (g (LocalDef (na,b,t)) n) (f n (f n acc b) t) c + | App (c,l) -> Array.fold_left (f n) (f n acc c) l + | Proj (_,c) -> f n acc c + | Evar (_,l) -> Array.fold_left (f n) acc l + | Case (_,p,c,bl) -> Array.fold_left (f n) (f n (f n acc p) c) bl + | Fix (_,(lna,tl,bl)) -> + let n' = CArray.fold_left2_i (fun i c n t -> g (LocalAssum (n,lift i t)) c) n lna tl in + let fd = Array.map2 (fun t b -> (t,b)) tl bl in + Array.fold_left (fun acc (t,b) -> f n' (f n acc t) b) acc fd + | CoFix (_,(lna,tl,bl)) -> + let n' = CArray.fold_left2_i (fun i c n t -> g (LocalAssum (n,lift i t)) c) n lna tl in + let fd = Array.map2 (fun t b -> (t,b)) tl bl in + Array.fold_left (fun acc (t,b) -> f n' (f n acc t) b) acc fd + + +type 'univs instance_compare_fn = GlobRef.t -> int -> + 'univs -> 'univs -> bool + +type 'constr constr_compare_fn = int -> 'constr -> 'constr -> bool (* [compare_head_gen_evar k1 k2 u s e eq leq c1 c2] compare [c1] and [c2] (using [k1] to expose the structure of [c1] and [k2] to expose @@ -671,19 +838,16 @@ type constr_compare_fn = int -> constr -> constr -> bool calls to {!Array.equal_norefl}). *) let compare_head_gen_leq_with kind1 kind2 leq_universes leq_sorts eq leq nargs t1 t2 = - match kind1 t1, kind2 t2 with + match kind_nocast_gen kind1 t1, kind_nocast_gen kind2 t2 with + | Cast _, _ | _, Cast _ -> assert false (* kind_nocast *) | Rel n1, Rel n2 -> Int.equal n1 n2 | Meta m1, Meta m2 -> Int.equal m1 m2 | Var id1, Var id2 -> Id.equal id1 id2 | Sort s1, Sort s2 -> leq_sorts s1 s2 - | Cast (c1, _, _), _ -> leq nargs c1 t2 - | _, Cast (c2, _, _) -> leq nargs t1 c2 | Prod (_,t1,c1), Prod (_,t2,c2) -> eq 0 t1 t2 && leq 0 c1 c2 | Lambda (_,t1,c1), Lambda (_,t2,c2) -> eq 0 t1 t2 && eq 0 c1 c2 | LetIn (_,b1,t1,c1), LetIn (_,b2,t2,c2) -> eq 0 b1 b2 && eq 0 t1 t2 && leq nargs c1 c2 (* Why do we suddenly make a special case for Cast here? *) - | App (Cast (c1, _, _), l1), _ -> leq nargs (mkApp (c1, l1)) t2 - | _, App (Cast (c2, _, _), l2) -> leq nargs t1 (mkApp (c2, l2)) | App (c1, l1), App (c2, l2) -> let len = Array.length l1 in Int.equal len (Array.length l2) && @@ -692,10 +856,10 @@ let compare_head_gen_leq_with kind1 kind2 leq_universes leq_sorts eq leq nargs t | Evar (e1,l1), Evar (e2,l2) -> Evar.equal e1 e2 && Array.equal (eq 0) l1 l2 | Const (c1,u1), Const (c2,u2) -> (* The args length currently isn't used but may as well pass it. *) - Constant.equal c1 c2 && leq_universes (ConstRef c1) nargs u1 u2 - | Ind (c1,u1), Ind (c2,u2) -> eq_ind c1 c2 && leq_universes (IndRef c1) nargs u1 u2 + Constant.equal c1 c2 && leq_universes (GlobRef.ConstRef c1) nargs u1 u2 + | Ind (c1,u1), Ind (c2,u2) -> eq_ind c1 c2 && leq_universes (GlobRef.IndRef c1) nargs u1 u2 | Construct (c1,u1), Construct (c2,u2) -> - eq_constructor c1 c2 && leq_universes (ConstructRef c1) nargs u1 u2 + eq_constructor c1 c2 && leq_universes (GlobRef.ConstructRef c1) nargs u1 u2 | Case (_,p1,c1,bl1), Case (_,p2,c2,bl2) -> eq 0 p1 p2 && eq 0 c1 c2 && Array.equal (eq 0) bl1 bl2 | Fix ((ln1, i1),(_,tl1,bl1)), Fix ((ln2, i2),(_,tl2,bl2)) -> @@ -808,8 +972,10 @@ let leq_constr_univs_infer univs m n = let u1 = Sorts.univ_of_sort s1 and u2 = Sorts.univ_of_sort s2 in if UGraph.check_leq univs u1 u2 then true else - (cstrs := Univ.enforce_leq u1 u2 !cstrs; - true) + (try let c, _ = UGraph.enforce_leq_alg u1 u2 univs in + cstrs := Univ.Constraint.union c !cstrs; + true + with Univ.UniverseInconsistency _ -> false) in let rec eq_constr' nargs m n = m == n || compare_head_gen eq_universes eq_sorts eq_constr' nargs m n @@ -860,11 +1026,11 @@ let constr_ord_int f t1 t2 = | LetIn _, _ -> -1 | _, LetIn _ -> 1 | App (c1,l1), App (c2,l2) -> (f =? (Array.compare f)) c1 c2 l1 l2 | App _, _ -> -1 | _, App _ -> 1 - | Const (c1,u1), Const (c2,u2) -> Constant.CanOrd.compare c1 c2 + | Const (c1,_u1), Const (c2,_u2) -> Constant.CanOrd.compare c1 c2 | Const _, _ -> -1 | _, Const _ -> 1 - | Ind (ind1, u1), Ind (ind2, u2) -> ind_ord ind1 ind2 + | Ind (ind1, _u1), Ind (ind2, _u2) -> ind_ord ind1 ind2 | Ind _, _ -> -1 | _, Ind _ -> 1 - | Construct (ct1,u1), Construct (ct2,u2) -> constructor_ord ct1 ct2 + | Construct (ct1,_u1), Construct (ct2,_u2) -> constructor_ord ct1 ct2 | Construct _, _ -> -1 | _, Construct _ -> 1 | Case (_,p1,c1,bl1), Case (_,p2,c2,bl2) -> ((f =? f) ==? (Array.compare f)) p1 p2 c1 c2 bl1 bl2 @@ -1123,9 +1289,9 @@ let rec hash t = combinesmall 11 (combine (constructor_hash c) (Instance.hash u)) | Case (_ , p, c, bl) -> combinesmall 12 (combine3 (hash c) (hash p) (hash_term_array bl)) - | Fix (ln ,(_, tl, bl)) -> + | Fix (_ln ,(_, tl, bl)) -> combinesmall 13 (combine (hash_term_array bl) (hash_term_array tl)) - | CoFix(ln, (_, tl, bl)) -> + | CoFix(_ln, (_, tl, bl)) -> combinesmall 14 (combine (hash_term_array bl) (hash_term_array tl)) | Meta n -> combinesmall 15 n | Rel n -> combinesmall 16 n @@ -1187,3 +1353,77 @@ let hcons = Id.hcons) (* let hcons_types = hcons_constr *) + +type rel_declaration = (constr, types) Context.Rel.Declaration.pt +type named_declaration = (constr, types) Context.Named.Declaration.pt +type compacted_declaration = (constr, types) Context.Compacted.Declaration.pt +type rel_context = rel_declaration list +type named_context = named_declaration list +type compacted_context = compacted_declaration list + +(* Sorts and sort family *) + +let debug_print_fix pr_constr ((t,i),(lna,tl,bl)) = + let open Pp in + let fixl = Array.mapi (fun i na -> (na,t.(i),tl.(i),bl.(i))) lna in + hov 1 + (str"fix " ++ int i ++ spc() ++ str"{" ++ + v 0 (prlist_with_sep spc (fun (na,i,ty,bd) -> + Name.print na ++ str"/" ++ int i ++ str":" ++ pr_constr ty ++ + cut() ++ str":=" ++ pr_constr bd) (Array.to_list fixl)) ++ + str"}") + +let pr_puniverses p u = + if Univ.Instance.is_empty u then p + else Pp.(p ++ str"(*" ++ Univ.Instance.pr Univ.Level.pr u ++ str"*)") + +(* Minimalistic constr printer, typically for debugging *) + +let rec debug_print c = + let open Pp in + match kind c with + | Rel n -> str "#"++int n + | Meta n -> str "Meta(" ++ int n ++ str ")" + | Var id -> Id.print id + | Sort s -> Sorts.debug_print s + | Cast (c,_, t) -> hov 1 + (str"(" ++ debug_print c ++ cut() ++ + str":" ++ debug_print t ++ str")") + | Prod (Name(id),t,c) -> hov 1 + (str"forall " ++ Id.print id ++ str":" ++ debug_print t ++ str"," ++ + spc() ++ debug_print c) + | Prod (Anonymous,t,c) -> hov 0 + (str"(" ++ debug_print t ++ str " ->" ++ spc() ++ + debug_print c ++ str")") + | Lambda (na,t,c) -> hov 1 + (str"fun " ++ Name.print na ++ str":" ++ + debug_print t ++ str" =>" ++ spc() ++ debug_print c) + | LetIn (na,b,t,c) -> hov 0 + (str"let " ++ Name.print na ++ str":=" ++ debug_print b ++ + str":" ++ brk(1,2) ++ debug_print t ++ cut() ++ + debug_print c) + | App (c,l) -> hov 1 + (str"(" ++ debug_print c ++ spc() ++ + prlist_with_sep spc debug_print (Array.to_list l) ++ str")") + | Evar (e,l) -> hov 1 + (str"Evar#" ++ int (Evar.repr e) ++ str"{" ++ + prlist_with_sep spc debug_print (Array.to_list l) ++str"}") + | Const (c,u) -> str"Cst(" ++ pr_puniverses (Constant.debug_print c) u ++ str")" + | Ind ((sp,i),u) -> str"Ind(" ++ pr_puniverses (MutInd.print sp ++ str"," ++ int i) u ++ str")" + | Construct (((sp,i),j),u) -> + str"Constr(" ++ pr_puniverses (MutInd.print sp ++ str"," ++ int i ++ str"," ++ int j) u ++ str")" + | Proj (p,c) -> str"Proj(" ++ Constant.debug_print (Projection.constant p) ++ str"," ++ bool (Projection.unfolded p) ++ debug_print c ++ str")" + | Case (_ci,p,c,bl) -> v 0 + (hv 0 (str"<"++debug_print p++str">"++ cut() ++ str"Case " ++ + debug_print c ++ str"of") ++ cut() ++ + prlist_with_sep (fun _ -> brk(1,2)) debug_print (Array.to_list bl) ++ + cut() ++ str"end") + | Fix f -> debug_print_fix debug_print f + | CoFix(i,(lna,tl,bl)) -> + let fixl = Array.mapi (fun i na -> (na,tl.(i),bl.(i))) lna in + hov 1 + (str"cofix " ++ int i ++ spc() ++ str"{" ++ + v 0 (prlist_with_sep spc (fun (na,ty,bd) -> + Name.print na ++ str":" ++ debug_print ty ++ + cut() ++ str":=" ++ debug_print bd) (Array.to_list fixl)) ++ + str"}") diff --git a/kernel/constr.mli b/kernel/constr.mli index 98c0eaa28d..f2cedcdabb 100644 --- a/kernel/constr.mli +++ b/kernel/constr.mli @@ -13,20 +13,12 @@ open Names -(** {6 Value under universe substitution } *) -type 'a puniverses = 'a Univ.puniverses -[@@ocaml.deprecated "use Univ.puniverses"] - (** {6 Simply type aliases } *) type pconstant = Constant.t Univ.puniverses type pinductive = inductive Univ.puniverses type pconstructor = constructor Univ.puniverses (** {6 Existential variables } *) -type existential_key = Evar.t -[@@ocaml.deprecated "use Evar.t"] - -(** {6 Existential variables } *) type metavariable = int (** {6 Case annotation } *) @@ -122,7 +114,7 @@ val mkConst : Constant.t -> constr val mkConstU : pconstant -> constr (** Constructs a projection application *) -val mkProj : (projection * constr) -> constr +val mkProj : (Projection.t * constr) -> constr (** Inductive types *) @@ -136,6 +128,9 @@ val mkConstruct : constructor -> constr val mkConstructU : pconstructor -> constr val mkConstructUi : pinductive * int -> constr +(** Make a constant, inductive, constructor or variable. *) +val mkRef : GlobRef.t Univ.puniverses -> constr + (** Constructs a destructor of inductive type. [mkCase ci p c ac] stand for match [c] as [x] in [I args] return [p] with [ac] @@ -161,8 +156,26 @@ val mkCase : case_info * constr * constr * constr array -> constr where the length of the {% $ %}j{% $ %}th context is {% $ %}ij{% $ %}. *) -type rec_declaration = Name.t array * types array * constr array -type fixpoint = (int array * int) * rec_declaration +type ('constr, 'types) prec_declaration = + Name.t array * 'types array * 'constr array +type ('constr, 'types) pfixpoint = + (int array * int) * ('constr, 'types) prec_declaration + (* The array of [int]'s tells for each component of the array of + mutual fixpoints the number of lambdas to skip before finding the + recursive argument (e.g., value is 2 in "fix f (x:A) (y:=t) (z:B) + (v:=u) (w:I) {struct w}"), telling to skip x and z and that w is + the recursive argument); + The second component [int] tells which component of the block is + returned *) + +type ('constr, 'types) pcofixpoint = + int * ('constr, 'types) prec_declaration + (* The component [int] tells which component of the block of + cofixpoint is returned *) + +type rec_declaration = (constr, types) prec_declaration + +type fixpoint = (constr, types) pfixpoint val mkFix : fixpoint -> constr (** If [funnames = [|f1,.....fn|]] @@ -176,7 +189,7 @@ val mkFix : fixpoint -> constr ... with fn = bn.] *) -type cofixpoint = int * rec_declaration +type cofixpoint = (constr, types) pcofixpoint val mkCoFix : cofixpoint -> constr @@ -185,12 +198,6 @@ val mkCoFix : cofixpoint -> constr (** [constr array] is an instance matching definitional [named_context] in the same order (i.e. last argument first) *) type 'constr pexistential = Evar.t * 'constr array -type ('constr, 'types) prec_declaration = - Name.t array * 'types array * 'constr array -type ('constr, 'types) pfixpoint = - (int array * int) * ('constr, 'types) prec_declaration -type ('constr, 'types) pcofixpoint = - int * ('constr, 'types) prec_declaration type ('constr, 'types, 'sort, 'univs) kind_of_term = | Rel of int (** Gallina-variable introduced by [forall], [fun], [let-in], [fix], or [cofix]. *) @@ -220,7 +227,7 @@ type ('constr, 'types, 'sort, 'univs) kind_of_term = | Case of case_info * 'constr * 'constr * 'constr array | Fix of ('constr, 'types) pfixpoint | CoFix of ('constr, 'types) pcofixpoint - | Proj of projection * 'constr + | Proj of Projection.t * 'constr (** User view of [constr]. For [App], it is ensured there is at least one argument and the function is not itself an applicative @@ -229,6 +236,11 @@ type ('constr, 'types, 'sort, 'univs) kind_of_term = val kind : constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term val of_kind : (constr, types, Sorts.t, Univ.Instance.t) kind_of_term -> constr +val kind_nocast_gen : ('v -> ('v, 'v, 'sort, 'univs) kind_of_term) -> + ('v -> ('v, 'v, 'sort, 'univs) kind_of_term) + +val kind_nocast : constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term + (** {6 Simple case analysis} *) val isRel : constr -> bool val isRelN : int -> constr -> bool @@ -273,8 +285,8 @@ val destMeta : constr -> metavariable (** Destructs a variable *) val destVar : constr -> Id.t -(** Destructs a sort. [is_Prop] recognizes the sort {% \textsf{%}Prop{% }%}, whether - [isprop] recognizes both {% \textsf{%}Prop{% }%} and {% \textsf{%}Set{% }%}. *) +(** Destructs a sort. [is_Prop] recognizes the sort [Prop], whether + [isprop] recognizes both [Prop] and [Set]. *) val destSort : constr -> Sorts.t (** Destructs a casted term *) @@ -318,7 +330,7 @@ where [info] is pretty-printing information *) val destCase : constr -> case_info * constr * constr * constr array (** Destructs a projection *) -val destProj : constr -> projection * constr +val destProj : constr -> Projection.t * constr (** Destructs the {% $ %}i{% $ %}th function of the block [Fixpoint f{_ 1} ctx{_ 1} = b{_ 1} @@ -331,6 +343,8 @@ val destFix : constr -> fixpoint val destCoFix : constr -> cofixpoint +val destRef : constr -> GlobRef.t Univ.puniverses + (** {6 Equality} *) (** [equal a b] is true if [a] equals [b] modulo alpha, casts, @@ -360,6 +374,105 @@ val eq_constr_nounivs : constr -> constr -> bool (** Total ordering compatible with [equal] *) val compare : constr -> constr -> int +(** {6 Extension of Context with declarations on constr} *) + +type rel_declaration = (constr, types) Context.Rel.Declaration.pt +type named_declaration = (constr, types) Context.Named.Declaration.pt +type compacted_declaration = (constr, types) Context.Compacted.Declaration.pt +type rel_context = rel_declaration list +type named_context = named_declaration list +type compacted_context = compacted_declaration list + +(** {6 Relocation and substitution } *) + +(** [exliftn el c] lifts [c] with lifting [el] *) +val exliftn : Esubst.lift -> constr -> constr + +(** [liftn n k c] lifts by [n] indexes above or equal to [k] in [c] *) +val liftn : int -> int -> constr -> constr + +(** [lift n c] lifts by [n] the positive indexes in [c] *) +val lift : int -> constr -> constr + +(** {6 Functionals working on expressions canonically abstracted over + a local context (possibly with let-ins)} *) + +(** [map_under_context f l c] maps [f] on the immediate subterms of a + term abstracted over a context of length [n] (local definitions + are counted) *) + +val map_under_context : (constr -> constr) -> int -> constr -> constr + +(** [map_branches f br] maps [f] on the immediate subterms of an array + of "match" branches [br] in canonical eta-let-expanded form; it is + not recursive and the order with which subterms are processed is + not specified; it preserves sharing; the immediate subterms are the + types and possibly terms occurring in the context of each branch as + well as the body of each branch *) + +val map_branches : (constr -> constr) -> case_info -> constr array -> constr array + +(** [map_return_predicate f p] maps [f] on the immediate subterms of a + return predicate of a "match" in canonical eta-let-expanded form; + it is not recursive and the order with which subterms are processed + is not specified; it preserves sharing; the immediate subterms are + the types and possibly terms occurring in the context of each + branch as well as the body of the predicate *) + +val map_return_predicate : (constr -> constr) -> case_info -> constr -> constr + +(** [map_under_context_with_binders g f n l c] maps [f] on the + immediate subterms of a term abstracted over a context of length + [n] (local definitions are counted); it preserves sharing; it + carries an extra data [n] (typically a lift index) which is + processed by [g] (which typically add 1 to [n]) at each binder + traversal *) + +val map_under_context_with_binders : ('a -> 'a) -> ('a -> constr -> constr) -> 'a -> int -> constr -> constr + +(** [map_branches_with_binders f br] maps [f] on the immediate + subterms of an array of "match" branches [br] in canonical + eta-let-expanded form; it carries an extra data [n] (typically a + lift index) which is processed by [g] (which typically adds 1 to + [n]) at each binder traversal; it is not recursive and the order + with which subterms are processed is not specified; it preserves + sharing; the immediate subterms are the types and possibly terms + occurring in the context of the branch as well as the body of the + branch *) + +val map_branches_with_binders : ('a -> 'a) -> ('a -> constr -> constr) -> 'a -> case_info -> constr array -> constr array + +(** [map_return_predicate_with_binders f p] maps [f] on the immediate + subterms of a return predicate of a "match" in canonical + eta-let-expanded form; it carries an extra data [n] (typically a + lift index) which is processed by [g] (which typically adds 1 to + [n]) at each binder traversal; it is not recursive and the order + with which subterms are processed is not specified; it preserves + sharing; the immediate subterms are the types and possibly terms + occurring in the context of each branch as well as the body of the + predicate *) + +val map_return_predicate_with_binders : ('a -> 'a) -> ('a -> constr -> constr) -> 'a -> case_info -> constr -> constr + +(** [map_under_context_with_full_binders g f n l c] is similar to + [map_under_context_with_binders] except that [g] takes also a full + binder as argument and that only the number of binders (and not + their signature) is required *) + +val map_under_context_with_full_binders : ((constr, constr) Context.Rel.Declaration.pt -> 'a -> 'a) -> ('a -> constr -> constr) -> 'a -> int -> constr -> constr + +(** [map_branches_with_full_binders g f l br] is equivalent to + [map_branches_with_binders] but using + [map_under_context_with_full_binders] *) + +val map_branches_with_full_binders : ((constr, constr) Context.Rel.Declaration.pt -> 'a -> 'a) -> ('a -> constr -> constr) -> 'a -> case_info -> constr array -> constr array + +(** [map_return_predicate_with_full_binders g f l p] is equivalent to + [map_return_predicate_with_binders] but using + [map_under_context_with_full_binders] *) + +val map_return_predicate_with_full_binders : ((constr, constr) Context.Rel.Declaration.pt -> 'a -> 'a) -> ('a -> constr -> constr) -> 'a -> case_info -> constr -> constr + (** {6 Functionals working on the immediate subterm of a construction } *) (** [fold f acc c] folds [f] on the immediate subterms of [c] @@ -368,12 +481,23 @@ val compare : constr -> constr -> int val fold : ('a -> constr -> 'a) -> 'a -> constr -> 'a +val fold_with_full_binders : + (rel_declaration -> 'a -> 'a) -> ('a -> 'b -> constr -> 'b) -> + 'a -> 'b -> constr -> 'b + (** [map f c] maps [f] on the immediate subterms of [c]; it is not recursive and the order with which subterms are processed is not specified *) val map : (constr -> constr) -> constr -> constr +(** [map_user_view f c] maps [f] on the immediate subterms of [c]; it + differs from [map f c] in that the typing context and body of the + return predicate and of the branches of a [match] are considered as + immediate subterm of a [match] *) + +val map_user_view : (constr -> constr) -> constr -> constr + (** Like {!map}, but also has an additional accumulator. *) val fold_map : ('a -> constr -> 'a * constr) -> 'a -> constr -> 'a * constr @@ -402,50 +526,59 @@ val iter : (constr -> unit) -> constr -> unit val iter_with_binders : ('a -> 'a) -> ('a -> constr -> unit) -> 'a -> constr -> unit -type constr_compare_fn = int -> constr -> constr -> bool +(** [iter_with_binders g f n c] iters [f n] on the immediate + subterms of [c]; it carries an extra data [n] (typically a lift + index) which is processed by [g] (which typically add 1 to [n]) at + each binder traversal; it is not recursive and the order with which + subterms are processed is not specified *) + +val fold_constr_with_binders : + ('a -> 'a) -> ('a -> 'b -> constr -> 'b) -> 'a -> 'b -> constr -> 'b + +type 'constr constr_compare_fn = int -> 'constr -> 'constr -> bool (** [compare_head f c1 c2] compare [c1] and [c2] using [f] to compare the immediate subterms of [c1] of [c2] if needed; Cast's, binders name and Cases annotations are not taken into account *) -val compare_head : constr_compare_fn -> constr_compare_fn +val compare_head : constr constr_compare_fn -> constr constr_compare_fn (** Convert a global reference applied to 2 instances. The int says how many arguments are given (as we can only use cumulativity for fully applied inductives/constructors) .*) -type instance_compare_fn = global_reference -> int -> - Univ.Instance.t -> Univ.Instance.t -> bool +type 'univs instance_compare_fn = GlobRef.t -> int -> + 'univs -> 'univs -> bool (** [compare_head_gen u s f c1 c2] compare [c1] and [c2] using [f] to compare the immediate subterms of [c1] of [c2] if needed, [u] to compare universe instances, [s] to compare sorts; Cast's, binders name and Cases annotations are not taken into account *) -val compare_head_gen : instance_compare_fn -> +val compare_head_gen : Univ.Instance.t instance_compare_fn -> (Sorts.t -> Sorts.t -> bool) -> - constr_compare_fn -> - constr_compare_fn + constr constr_compare_fn -> + constr constr_compare_fn val compare_head_gen_leq_with : - (constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term) -> - (constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term) -> - instance_compare_fn -> - (Sorts.t -> Sorts.t -> bool) -> - constr_compare_fn -> - constr_compare_fn -> - constr_compare_fn + ('v -> ('v, 'v, 'sort, 'univs) kind_of_term) -> + ('v -> ('v, 'v, 'sort, 'univs) kind_of_term) -> + 'univs instance_compare_fn -> + ('sort -> 'sort -> bool) -> + 'v constr_compare_fn -> + 'v constr_compare_fn -> + 'v constr_compare_fn (** [compare_head_gen_with k1 k2 u s f c1 c2] compares [c1] and [c2] like [compare_head_gen u s f c1 c2], except that [k1] (resp. [k2]) is used,rather than {!kind}, to expose the immediate subterms of [c1] (resp. [c2]). *) val compare_head_gen_with : - (constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term) -> - (constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term) -> - instance_compare_fn -> - (Sorts.t -> Sorts.t -> bool) -> - constr_compare_fn -> - constr_compare_fn + ('v -> ('v, 'v, 'sort, 'univs) kind_of_term) -> + ('v -> ('v, 'v, 'sort, 'univs) kind_of_term) -> + 'univs instance_compare_fn -> + ('sort -> 'sort -> bool) -> + 'v constr_compare_fn -> + 'v constr_compare_fn (** [compare_head_gen_leq u s f fle c1 c2] compare [c1] and [c2] using [f] to compare the immediate subterms of [c1] of [c2] for @@ -454,11 +587,11 @@ val compare_head_gen_with : [s] to compare sorts for for subtyping; Cast's, binders name and Cases annotations are not taken into account *) -val compare_head_gen_leq : instance_compare_fn -> +val compare_head_gen_leq : Univ.Instance.t instance_compare_fn -> (Sorts.t -> Sorts.t -> bool) -> - constr_compare_fn -> - constr_compare_fn -> - constr_compare_fn + constr constr_compare_fn -> + constr constr_compare_fn -> + constr constr_compare_fn (** {6 Hashconsing} *) @@ -468,3 +601,6 @@ val case_info_hash : case_info -> int (*********************************************************************) val hcons : constr -> constr + +val debug_print : constr -> Pp.t +val debug_print_fix : ('a -> Pp.t) -> ('a, 'a) pfixpoint -> Pp.t diff --git a/kernel/context.ml b/kernel/context.ml index 4f3f649c14..3d98381fbb 100644 --- a/kernel/context.ml +++ b/kernel/context.ml @@ -43,8 +43,6 @@ struct | LocalAssum of Name.t * 'types (** name, type *) | LocalDef of Name.t * 'constr * 'types (** name, value, type *) - type t = (Constr.constr, Constr.types) pt - (** Return the name bound by a given declaration. *) let get_name = function | LocalAssum (na,_) @@ -144,20 +142,23 @@ struct (** Reduce all terms in a given declaration to a single value. *) let fold_constr f decl acc = match decl with - | LocalAssum (n,ty) -> f ty acc - | LocalDef (n,v,ty) -> f ty (f v acc) + | LocalAssum (_n,ty) -> f ty acc + | LocalDef (_n,v,ty) -> f ty (f v acc) let to_tuple = function | LocalAssum (na, ty) -> na, None, ty | LocalDef (na, v, ty) -> na, Some v, ty + let drop_body = function + | LocalAssum _ as d -> d + | LocalDef (na, _v, ty) -> LocalAssum (na, ty) + end (** Rel-context is represented as a list of declarations. Inner-most declarations are at the beginning of the list. Outer-most declarations are at the end of the list. *) type ('constr, 'types) pt = ('constr, 'types) Declaration.pt list - type t = Declaration.t list (** empty rel-context *) let empty = [] @@ -192,7 +193,7 @@ struct let equal eq l = List.equal (fun c -> Declaration.equal eq c) l (** Map all terms in a given rel-context. *) - let map f = List.smartmap (Declaration.map_constr f) + let map f = List.Smart.map (Declaration.map_constr f) (** Perform a given action on every declaration in a given rel-context. *) let iter f = List.iter (Declaration.iter_constr f) @@ -214,6 +215,8 @@ struct | Declaration.LocalAssum _ :: ctx -> aux (false::l) ctx in aux [] l + let drop_bodies l = List.Smart.map Declaration.drop_body l + (** [extended_list n Γ] builds an instance [args] such that [Γ,Δ ⊢ args:Γ] with n = |Δ| and with the {e local definitions} of [Γ] skipped in [args]. Example: for [x:T, y:=c, z:U] and [n]=2, it gives [Rel 5, Rel 3]. *) @@ -241,8 +244,6 @@ struct | LocalAssum of Id.t * 'types (** identifier, type *) | LocalDef of Id.t * 'constr * 'types (** identifier, value, type *) - type t = (Constr.constr, Constr.types) pt - (** Return the identifier bound by a given declaration. *) let get_id = function | LocalAssum (id,_) -> id @@ -353,6 +354,10 @@ struct | id, None, ty -> LocalAssum (id, ty) | id, Some v, ty -> LocalDef (id, v, ty) + let drop_body = function + | LocalAssum _ as d -> d + | LocalDef (id, _v, ty) -> LocalAssum (id, ty) + let of_rel_decl f = function | Rel.Declaration.LocalAssum (na,t) -> LocalAssum (f na, t) @@ -370,7 +375,6 @@ struct Inner-most declarations are at the beginning of the list. Outer-most declarations are at the end of the list. *) type ('constr, 'types) pt = ('constr, 'types) Declaration.pt list - type t = Declaration.t list (** empty named-context *) let empty = [] @@ -392,7 +396,7 @@ struct let equal eq l = List.equal (fun c -> Declaration.equal eq c) l (** Map all terms in a given named-context. *) - let map f = List.smartmap (Declaration.map_constr f) + let map f = List.Smart.map (Declaration.map_constr f) (** Perform a given action on every declaration in a given named-context. *) let iter f = List.iter (Declaration.iter_constr f) @@ -409,6 +413,8 @@ struct let to_vars l = List.fold_left (fun accu decl -> Id.Set.add (Declaration.get_id decl) accu) Id.Set.empty l + let drop_bodies l = List.Smart.map Declaration.drop_body l + (** [instance_from_named_context Ω] builds an instance [args] such that [Ω ⊢ args:Ω] where [Ω] is a named context and with the local definitions of [Ω] skipped. Example: for [id1:T,id2:=c,id3:U], it @@ -429,8 +435,6 @@ module Compacted = | LocalAssum of Id.t list * 'types | LocalDef of Id.t list * 'constr * 'types - type t = (Constr.constr, Constr.types) pt - let map_constr f = function | LocalAssum (ids, ty) as decl -> let ty' = f ty in @@ -454,7 +458,6 @@ module Compacted = end type ('constr, 'types) pt = ('constr, 'types) Declaration.pt list - type t = Declaration.t list let fold f l ~init = List.fold_right f l init end diff --git a/kernel/context.mli b/kernel/context.mli index c97db4348e..2b0d36cb8c 100644 --- a/kernel/context.mli +++ b/kernel/context.mli @@ -35,8 +35,6 @@ sig | LocalAssum of Name.t * 'types (** name, type *) | LocalDef of Name.t * 'constr * 'types (** name, value, type *) - type t = (Constr.constr, Constr.types) pt - (** Return the name bound by a given declaration. *) val get_name : ('c, 't) pt -> Name.t @@ -87,13 +85,15 @@ sig val fold_constr : ('c -> 'a -> 'a) -> ('c, 'c) pt -> 'a -> 'a val to_tuple : ('c, 't) pt -> Name.t * 'c option * 't + + (** Turn [LocalDef] into [LocalAssum], identity otherwise. *) + val drop_body : ('c, 't) pt -> ('c, 't) pt end (** Rel-context is represented as a list of declarations. Inner-most declarations are at the beginning of the list. Outer-most declarations are at the end of the list. *) type ('constr, 'types) pt = ('constr, 'types) Declaration.pt list - type t = Declaration.t list (** empty rel-context *) val empty : ('c, 't) pt @@ -132,6 +132,9 @@ sig and each {e local definition} is mapped to [false]. *) val to_tags : ('c, 't) pt -> bool list + (** Turn all [LocalDef] into [LocalAssum], leave [LocalAssum] unchanged. *) + val drop_bodies : ('c, 't) pt -> ('c, 't) pt + (** [extended_list mk n Γ] builds an instance [args] such that [Γ,Δ ⊢ args:Γ] with n = |Δ| and with the {e local definitions} of [Γ] skipped in [args] where [mk] is used to build the corresponding variables. @@ -153,8 +156,6 @@ sig | LocalAssum of Id.t * 'types (** identifier, type *) | LocalDef of Id.t * 'constr * 'types (** identifier, value, type *) - type t = (Constr.constr, Constr.types) pt - (** Return the identifier bound by a given declaration. *) val get_id : ('c, 't) pt -> Id.t @@ -207,6 +208,9 @@ sig val to_tuple : ('c, 't) pt -> Id.t * 'c option * 't val of_tuple : Id.t * 'c option * 't -> ('c, 't) pt + (** Turn [LocalDef] into [LocalAssum], identity otherwise. *) + val drop_body : ('c, 't) pt -> ('c, 't) pt + (** Convert [Rel.Declaration.t] value to the corresponding [Named.Declaration.t] value. The function provided as the first parameter determines how to translate "names" to "ids". *) val of_rel_decl : (Name.t -> Id.t) -> ('c, 't) Rel.Declaration.pt -> ('c, 't) pt @@ -220,7 +224,6 @@ sig Inner-most declarations are at the beginning of the list. Outer-most declarations are at the end of the list. *) type ('constr, 'types) pt = ('constr, 'types) Declaration.pt list - type t = Declaration.t list (** empty named-context *) val empty : ('c, 't) pt @@ -255,6 +258,9 @@ sig (** Return the set of all identifiers bound in a given named-context. *) val to_vars : ('c, 't) pt -> Id.Set.t + (** Turn all [LocalDef] into [LocalAssum], leave [LocalAssum] unchanged. *) + val drop_bodies : ('c, 't) pt -> ('c, 't) pt + (** [to_instance Ω] builds an instance [args] such that [Ω ⊢ args:Ω] where [Ω] is a named-context and with the local definitions of [Ω] skipped. Example: for [id1:T,id2:=c,id3:U], it @@ -270,15 +276,12 @@ sig | LocalAssum of Id.t list * 'types | LocalDef of Id.t list * 'constr * 'types - type t = (Constr.constr, Constr.types) pt - val map_constr : ('c -> 'c) -> ('c, 'c) pt -> ('c, 'c) pt val of_named_decl : ('c, 't) Named.Declaration.pt -> ('c, 't) pt val to_named_context : ('c, 't) pt -> ('c, 't) Named.pt end type ('constr, 'types) pt = ('constr, 'types) Declaration.pt list - type t = Declaration.t list val fold : (('c, 't) Declaration.pt -> 'a -> 'a) -> ('c, 't) pt -> init:'a -> 'a end diff --git a/kernel/conv_oracle.ml b/kernel/conv_oracle.ml index 7ef63c1860..fe82353b70 100644 --- a/kernel/conv_oracle.ml +++ b/kernel/conv_oracle.ml @@ -42,7 +42,7 @@ let empty = { cst_trstate = Cpred.full; } -let get_strategy { var_opacity; cst_opacity } f = function +let get_strategy { var_opacity; cst_opacity; _ } f = function | VarKey id -> (try Id.Map.find id var_opacity with Not_found -> default) @@ -51,7 +51,7 @@ let get_strategy { var_opacity; cst_opacity } f = function with Not_found -> default) | RelKey _ -> Expand -let set_strategy ({ var_opacity; cst_opacity } as oracle) k l = +let set_strategy ({ var_opacity; cst_opacity; _ } as oracle) k l = match k with | VarKey id -> let var_opacity = @@ -75,26 +75,36 @@ let set_strategy ({ var_opacity; cst_opacity } as oracle) k l = { oracle with cst_opacity; cst_trstate; } | RelKey _ -> CErrors.user_err Pp.(str "set_strategy: RelKey") -let fold_strategy f { var_opacity; cst_opacity; } accu = +let fold_strategy f { var_opacity; cst_opacity; _ } accu = let fvar id lvl accu = f (VarKey id) lvl accu in let fcst cst lvl accu = f (ConstKey cst) lvl accu in let accu = Id.Map.fold fvar var_opacity accu in Cmap.fold fcst cst_opacity accu -let get_transp_state { var_trstate; cst_trstate } = (var_trstate, cst_trstate) +let get_transp_state { var_trstate; cst_trstate; _ } = + { TransparentState.tr_var = var_trstate; tr_cst = cst_trstate } + +let dep_order l2r k1 k2 = match k1, k2 with +| RelKey _, RelKey _ -> l2r +| RelKey _, (VarKey _ | ConstKey _) -> true +| VarKey _, RelKey _ -> false +| VarKey _, VarKey _ -> l2r +| VarKey _, ConstKey _ -> true +| ConstKey _, (RelKey _ | VarKey _) -> false +| ConstKey _, ConstKey _ -> l2r (* Unfold the first constant only if it is "more transparent" than the second one. In case of tie, use the recommended default. *) let oracle_order f o l2r k1 k2 = match get_strategy o f k1, get_strategy o f k2 with - | Expand, Expand -> l2r + | Expand, Expand -> dep_order l2r k1 k2 | Expand, (Opaque | Level _) -> true | (Opaque | Level _), Expand -> false - | Opaque, Opaque -> l2r + | Opaque, Opaque -> dep_order l2r k1 k2 | Level _, Opaque -> true | Opaque, Level _ -> false | Level n1, Level n2 -> - if Int.equal n1 n2 then l2r + if Int.equal n1 n2 then dep_order l2r k1 k2 else n1 < n2 let get_strategy o = get_strategy o (fun x -> x) diff --git a/kernel/conv_oracle.mli b/kernel/conv_oracle.mli index 67add5dd35..bc06cc21b6 100644 --- a/kernel/conv_oracle.mli +++ b/kernel/conv_oracle.mli @@ -41,5 +41,5 @@ val set_strategy : oracle -> Constant.t tableKey -> level -> oracle (** Fold over the non-transparent levels of the oracle. Order unspecified. *) val fold_strategy : (Constant.t tableKey -> level -> 'a -> 'a) -> oracle -> 'a -> 'a -val get_transp_state : oracle -> transparent_state +val get_transp_state : oracle -> TransparentState.t diff --git a/kernel/cooking.ml b/kernel/cooking.ml index 6f4541e956..f4b4834d98 100644 --- a/kernel/cooking.ml +++ b/kernel/cooking.ml @@ -15,7 +15,6 @@ (* This module implements kernel-level discharching of local declarations over global constants and inductive types *) -open CErrors open Util open Names open Term @@ -24,21 +23,10 @@ open Declarations open Univ module NamedDecl = Context.Named.Declaration +module RelDecl = Context.Rel.Declaration (*s Cooking the constants. *) -let pop_dirpath p = match DirPath.repr p with - | [] -> anomaly ~label:"dirpath_prefix" (Pp.str "empty dirpath.") - | _::l -> DirPath.make l - -let pop_mind kn = - let (mp,dir,l) = MutInd.repr3 kn in - MutInd.make3 mp (pop_dirpath dir) l - -let pop_con con = - let (mp,dir,l) = Constant.repr3 con in - Constant.make3 mp (pop_dirpath dir) l - type my_global_reference = | ConstRef of Constant.t | IndRef of inductive @@ -70,29 +58,26 @@ let instantiate_my_gr gr u = let share cache r (cstl,knl) = try RefTable.find cache r with Not_found -> - let f,(u,l) = + let (u,l) = match r with - | IndRef (kn,i) -> - IndRef (pop_mind kn,i), Mindmap.find kn knl - | ConstructRef ((kn,i),j) -> - ConstructRef ((pop_mind kn,i),j), Mindmap.find kn knl + | IndRef (kn,_i) -> + Mindmap.find kn knl + | ConstructRef ((kn,_i),_j) -> + Mindmap.find kn knl | ConstRef cst -> - ConstRef (pop_con cst), Cmap.find cst cstl in - let c = (f, (u, Array.map mkVar l)) in + Cmap.find cst cstl in + let c = (u, Array.map mkVar l) in RefTable.add cache r c; c let share_univs cache r u l = - let r', (u', args) = share cache r l in - mkApp (instantiate_my_gr r' (Instance.append u' u), args) + let (u', args) = share cache r l in + mkApp (instantiate_my_gr r (Instance.append u' u), args) let update_case_info cache ci modlist = try - let ind, n = - match share cache (IndRef ci.ci_ind) modlist with - | (IndRef f,(u,l)) -> (f, Array.length l) - | _ -> assert false in - { ci with ci_ind = ind; ci_npar = ci.ci_npar + n } + let (_u,l) = share cache (IndRef ci.ci_ind) modlist in + { ci with ci_npar = ci.ci_npar + Array.length l } with Not_found -> ci @@ -126,17 +111,13 @@ let expmod_constr cache modlist c = | Not_found -> Constr.map substrec c) | Proj (p, c') -> - (try - let p' = share_univs (ConstRef (Projection.constant p)) Univ.Instance.empty modlist in - let make c = Projection.make c (Projection.unfolded p) in - match kind p' with - | Const (p',_) -> mkProj (make p', substrec c') - | App (f, args) -> - (match kind f with - | Const (p', _) -> mkProj (make p', substrec c') - | _ -> assert false) - | _ -> assert false - with Not_found -> Constr.map substrec c) + let map cst npars = + let _, newpars = Mindmap.find cst (snd modlist) in + (cst, npars + Array.length newpars) + in + let p' = try Projection.map_npars map p with Not_found -> p in + let c'' = substrec c' in + if p == p' && c' == c'' then c else mkProj (p', c'') | _ -> Constr.map substrec c @@ -144,11 +125,31 @@ let expmod_constr cache modlist c = if is_empty_modlist modlist then c else substrec c -let abstract_constant_type = - List.fold_left (fun c d -> mkNamedProd_wo_LetIn d c) +(** Transforms a named context into a rel context. Also returns the list of + variables [id1 ... idn] that need to be replaced by [Rel 1 ... Rel n] to + abstract a term that lived in that context. *) +let abstract_context hyps = + let fold decl (ctx, subst) = + let id, decl = match decl with + | NamedDecl.LocalDef (id, b, t) -> + let b = Vars.subst_vars subst b in + let t = Vars.subst_vars subst t in + id, RelDecl.LocalDef (Name id, b, t) + | NamedDecl.LocalAssum (id, t) -> + let t = Vars.subst_vars subst t in + id, RelDecl.LocalAssum (Name id, t) + in + (decl :: ctx, id :: subst) + in + Context.Named.fold_outside fold hyps ~init:([], []) + +let abstract_constant_type t (hyps, subst) = + let t = Vars.subst_vars subst t in + List.fold_left (fun c d -> mkProd_wo_LetIn d c) t hyps -let abstract_constant_body = - List.fold_left (fun c d -> mkNamedLambda_or_LetIn d c) +let abstract_constant_body c (hyps, subst) = + let c = Vars.subst_vars subst c in + it_mkLambda_or_LetIn c hyps type recipe = { from : constant_body; info : Opaqueproof.cooking_info } type inline = bool @@ -156,10 +157,10 @@ type inline = bool type result = { cook_body : constant_def; cook_type : types; - cook_proj : projection_body option; cook_universes : constant_universes; + cook_private_univs : Univ.ContextSet.t option; cook_inline : inline; - cook_context : Context.Named.t option; + cook_context : Constr.named_context option; } let on_body ml hy f = function @@ -178,6 +179,7 @@ let cook_constr { Opaqueproof.modlist ; abstract = (vars, subst, _) } c = let cache = RefTable.create 13 in let expmod = expmod_constr_subst cache modlist subst in let hyps = Context.Named.map expmod vars in + let hyps = abstract_context hyps in abstract_constant_body (expmod c) hyps let lift_univs cb subst auctx0 = @@ -203,21 +205,23 @@ let lift_univs cb subst auctx0 = else let ainst = Univ.make_abstract_instance auctx in let subst = Instance.append subst ainst in - let auctx' = Univ.subst_univs_level_abstract_universe_context (Univ.make_instance_subst subst) auctx in + let substf = Univ.make_instance_subst subst in + let auctx' = Univ.subst_univs_level_abstract_universe_context substf auctx in subst, (Polymorphic_const (AUContext.union auctx0 auctx')) -let cook_constant ~hcons env { from = cb; info } = +let cook_constant ~hcons { from = cb; info } = let { Opaqueproof.modlist; abstract } = info in let cache = RefTable.create 13 in let abstract, usubst, abs_ctx = abstract in let usubst, univs = lift_univs cb usubst abs_ctx in let expmod = expmod_constr_subst cache modlist usubst in - let hyps = Context.Named.map expmod abstract in + let hyps0 = Context.Named.map expmod abstract in + let hyps = abstract_context hyps0 in let map c = let c = abstract_constant_body (expmod c) hyps in if hcons then Constr.hcons c else c in - let body = on_body modlist (hyps, usubst, abs_ctx) + let body = on_body modlist (hyps0, usubst, abs_ctx) map cb.const_body in @@ -225,31 +229,17 @@ let cook_constant ~hcons env { from = cb; info } = Context.Named.fold_outside (fun decl hyps -> List.filter (fun decl' -> not (Id.equal (NamedDecl.get_id decl) (NamedDecl.get_id decl'))) hyps) - hyps ~init:cb.const_hyps in + hyps0 ~init:cb.const_hyps in let typ = abstract_constant_type (expmod cb.const_type) hyps in - let projection pb = - let c' = abstract_constant_body (expmod pb.proj_body) hyps in - let etab = abstract_constant_body (expmod (fst pb.proj_eta)) hyps in - let etat = abstract_constant_body (expmod (snd pb.proj_eta)) hyps in - let ((mind, _), _), n' = - try - let c' = share_univs cache (IndRef (pb.proj_ind,0)) Univ.Instance.empty modlist in - match kind c' with - | App (f,l) -> (destInd f, Array.length l) - | Ind ind -> ind, 0 - | _ -> assert false - with Not_found -> (((pb.proj_ind,0),Univ.Instance.empty), 0) - in - let ctx, ty' = decompose_prod_n (n' + pb.proj_npars + 1) typ in - { proj_ind = mind; proj_npars = pb.proj_npars + n'; proj_arg = pb.proj_arg; - proj_eta = etab, etat; - proj_type = ty'; proj_body = c' } + let private_univs = Option.map (on_snd (Univ.subst_univs_level_constraints + (Univ.make_instance_subst usubst))) + cb.const_private_poly_univs in { cook_body = body; cook_type = typ; - cook_proj = Option.map projection cb.const_proj; cook_universes = univs; + cook_private_univs = private_univs; cook_inline = cb.const_inline_code; cook_context = Some const_hyps; } diff --git a/kernel/cooking.mli b/kernel/cooking.mli index 7bd0ae5663..7ff4b657d3 100644 --- a/kernel/cooking.mli +++ b/kernel/cooking.mli @@ -10,7 +10,6 @@ open Constr open Declarations -open Environ (** {6 Cooking the constants. } *) @@ -21,13 +20,13 @@ type inline = bool type result = { cook_body : constant_def; cook_type : types; - cook_proj : projection_body option; cook_universes : constant_universes; + cook_private_univs : Univ.ContextSet.t option; cook_inline : inline; - cook_context : Context.Named.t option; + cook_context : Constr.named_context option; } -val cook_constant : hcons:bool -> env -> recipe -> result +val cook_constant : hcons:bool -> recipe -> result val cook_constr : Opaqueproof.cooking_info -> constr -> constr (** {6 Utility functions used in module [Discharge]. } *) diff --git a/kernel/csymtable.ml b/kernel/csymtable.ml index 0129489542..8bef6aec42 100644 --- a/kernel/csymtable.ml +++ b/kernel/csymtable.ml @@ -20,13 +20,15 @@ open Vmvalues open Cemitcodes open Cbytecodes open Declarations -open Pre_env +open Environ open Cbytegen module NamedDecl = Context.Named.Declaration module RelDecl = Context.Rel.Declaration -external eval_tcode : tcode -> values array -> values = "coq_eval_tcode" +external eval_tcode : tcode -> atom array -> vm_global -> values array -> values = "coq_eval_tcode" + +type global_data = { mutable glob_len : int; mutable glob_val : values array } (*******************) (* Linkage du code *) @@ -37,21 +39,28 @@ external eval_tcode : tcode -> values array -> values = "coq_eval_tcode" (* [global_data] contient les valeurs des constantes globales (axiomes,definitions), les annotations des switch et les structured constant *) -external global_data : unit -> values array = "get_coq_global_data" +let global_data = { + glob_len = 0; + glob_val = Array.make 4096 crazy_val; +} -(* [realloc_global_data n] augmente de n la taille de [global_data] *) -external realloc_global_data : int -> unit = "realloc_coq_global_data" +let get_global_data () = Vmvalues.vm_global global_data.glob_val -let check_global_data n = - if n >= Array.length (global_data()) then realloc_global_data n +let realloc_global_data n = + let n = min (2 * n + 0x100) Sys.max_array_length in + let ans = Array.make n crazy_val in + let src = global_data.glob_val in + let () = Array.blit src 0 ans 0 (Array.length src) in + global_data.glob_val <- ans -let num_global = ref 0 +let check_global_data n = + if n >= Array.length global_data.glob_val then realloc_global_data n let set_global v = - let n = !num_global in + let n = global_data.glob_len in check_global_data n; - (global_data()).(n) <- v; - incr num_global; + global_data.glob_val.(n) <- v; + global_data.glob_len <- global_data.glob_len + 1; n (* table pour les structured_constant et les annotations des switchs *) @@ -68,11 +77,15 @@ module AnnotTable = Hashtbl.Make (struct let hash = hash_annot_switch end) +module ProjNameTable = Hashtbl.Make (Projection.Repr) + let str_cst_tbl : int SConstTable.t = SConstTable.create 31 let annot_tbl : int AnnotTable.t = AnnotTable.create 31 (* (annot_switch * int) Hashtbl.t *) +let proj_name_tbl : int ProjNameTable.t = ProjNameTable.create 31 + (*************************************************************) (*** Mise a jour des valeurs des variables et des constantes *) (*************************************************************) @@ -106,6 +119,13 @@ let slot_for_annot key = AnnotTable.add annot_tbl key n; n +let slot_for_proj_name key = + try ProjNameTable.find proj_name_tbl key + with Not_found -> + let n = set_global (val_of_proj_name key) in + ProjNameTable.add proj_name_tbl key n; + n + let rec slot_for_getglobal env kn = let (cb,(_,rk)) = lookup_constant_key kn env in try key rk @@ -133,27 +153,27 @@ and slot_for_fv env fv = | None -> v_of_id id, Id.Set.empty | Some c -> val_of_constr (env_of_id id env) c, - Environ.global_vars_set (Environ.env_of_pre_env env) c in + Environ.global_vars_set env c in build_lazy_val cache (v, d); v in let val_of_rel i = val_of_rel (nb_rel env - i) in let idfun _ x = x in match fv with | FVnamed id -> - let nv = Pre_env.lookup_named_val id env in + let nv = lookup_named_val id env in begin match force_lazy_val nv with | None -> - env |> Pre_env.lookup_named id |> NamedDecl.get_value |> fill_fv_cache nv id val_of_named idfun + env |> lookup_named id |> NamedDecl.get_value |> fill_fv_cache nv id val_of_named idfun | Some (v, _) -> v end | FVrel i -> - let rv = Pre_env.lookup_rel_val i env in + let rv = lookup_rel_val i env in begin match force_lazy_val rv with | None -> - env |> Pre_env.lookup_rel i |> RelDecl.get_value |> fill_fv_cache rv i val_of_rel env_of_rel + env |> lookup_rel i |> RelDecl.get_value |> fill_fv_cache rv i val_of_rel env_of_rel | Some (v, _) -> v end | FVevar evk -> val_of_evar evk - | FVuniv_var idu -> + | FVuniv_var _idu -> assert false and eval_to_patch env (buff,pl,fv) = @@ -161,15 +181,16 @@ and eval_to_patch env (buff,pl,fv) = | Reloc_annot a -> slot_for_annot a | Reloc_const sc -> slot_for_str_cst sc | Reloc_getglobal kn -> slot_for_getglobal env kn + | Reloc_proj_name p -> slot_for_proj_name p in let tc = patch buff pl slots in let vm_env = Array.map (slot_for_fv env) fv in - eval_tcode tc vm_env + eval_tcode tc (get_atom_rel ()) (vm_global global_data.glob_val) vm_env and val_of_constr env c = match compile ~fail_on_error:true env c with | Some v -> eval_to_patch env (to_memory v) | None -> assert false -let set_transparent_const kn = () (* !?! *) -let set_opaque_const kn = () (* !?! *) +let set_transparent_const _kn = () (* !?! *) +let set_opaque_const _kn = () (* !?! *) diff --git a/kernel/csymtable.mli b/kernel/csymtable.mli index 19b2b8b50a..72c96b0b9f 100644 --- a/kernel/csymtable.mli +++ b/kernel/csymtable.mli @@ -12,9 +12,11 @@ open Names open Constr -open Pre_env +open Environ val val_of_constr : env -> constr -> Vmvalues.values val set_opaque_const : Constant.t -> unit val set_transparent_const : Constant.t -> unit + +val get_global_data : unit -> Vmvalues.vm_global diff --git a/kernel/declarations.ml b/kernel/declarations.ml index b7427d20a7..016b63be09 100644 --- a/kernel/declarations.ml +++ b/kernel/declarations.ml @@ -46,18 +46,6 @@ type inline = int option (** A constant can have no body (axiom/parameter), or a transparent body, or an opaque one *) -(** Projections are a particular kind of constant: - always transparent. *) - -type projection_body = { - proj_ind : MutInd.t; - proj_npars : int; - proj_arg : int; - proj_type : types; (* Type under params *) - proj_eta : constr * types; (* Eta-expanded term and type *) - proj_body : constr; (* For compatibility with VMs only, the match version *) -} - (* Global declarations (i.e. constants) can be either: *) type constant_def = | Undef of inline (** a global assumption *) @@ -73,21 +61,38 @@ type constant_universes = of a constant are tracked in their {!constant_body} so that they can be displayed to the user. *) type typing_flags = { - check_guarded : bool; (** If [false] then fixed points and co-fixed - points are assumed to be total. *) - check_universes : bool; (** If [false] universe constraints are not checked *) - conv_oracle : Conv_oracle.oracle; (** Unfolding strategies for conversion *) + check_guarded : bool; + (** If [false] then fixed points and co-fixed points are assumed to + be total. *) + + check_universes : bool; + (** If [false] universe constraints are not checked *) + + conv_oracle : Conv_oracle.oracle; + (** Unfolding strategies for conversion *) + + share_reduction : bool; + (** Use by-need reduction algorithm *) + + enable_VM : bool; + (** If [false], all VM conversions fall back to interpreted ones *) + + enable_native_compiler : bool; + (** If [false], all native conversions fall back to VM ones *) + + indices_matter: bool; + (** The universe of an inductive type must be above that of its indices. *) } (* some contraints are in constant_constraints, some other may be in * the OpaqueDef *) type constant_body = { - const_hyps : Context.Named.t; (** New: younger hyp at top *) + const_hyps : Constr.named_context; (** New: younger hyp at top *) const_body : constant_def; const_type : types; const_body_code : Cemitcodes.to_patch_substituted option; const_universes : constant_universes; - const_proj : projection_body option; + const_private_poly_univs : Univ.ContextSet.t option; const_inline_code : bool; const_typing_flags : typing_flags; (** The typing options which were used for @@ -112,13 +117,22 @@ v} *) (** Record information: - If the record is not primitive, then None - Otherwise, we get: + If the type is not a record, then NotRecord + If the type is a non-primitive record, then FakeRecord + If it is a primitive record, for every type in the block, we get: - The identifier for the binder name of the record in primitive projections. - The constants associated to each projection. - - The checked projection bodies. *) + - The projection types (under parameters). + + The kernel does not exploit the difference between [NotRecord] and + [FakeRecord]. It is mostly used by extraction, and should be extruded from + the kernel at some point. +*) -type record_body = (Id.t * Constant.t array * projection_body array) option +type record_info = +| NotRecord +| FakeRecord +| PrimRecord of (Id.t * Label.t array * types array) array type regular_inductive_arity = { mind_user_arity : types; @@ -132,7 +146,7 @@ type one_inductive_body = { mind_typename : Id.t; (** Name of the type: [Ii] *) - mind_arity_ctxt : Context.Rel.t; (** Arity context of [Ii] with parameters: [forall params, Ui] *) + mind_arity_ctxt : Constr.rel_context; (** Arity context of [Ii] with parameters: [forall params, Ui] *) mind_arity : inductive_arity; (** Arity sort and original user arity *) @@ -167,7 +181,7 @@ type one_inductive_body = { mind_nb_args : int; (** number of no constant constructor *) - mind_reloc_tbl : Cbytecodes.reloc_table; + mind_reloc_tbl : Vmvalues.reloc_table; } type abstract_inductive_universes = @@ -184,19 +198,19 @@ type mutual_inductive_body = { mind_packets : one_inductive_body array; (** The component of the mutual inductive block *) - mind_record : record_body option; (** The record information *) + mind_record : record_info; (** The record information *) mind_finite : recursivity_kind; (** Whether the type is inductive or coinductive *) mind_ntypes : int; (** Number of types in the block *) - mind_hyps : Context.Named.t; (** Section hypotheses on which the block depends *) + mind_hyps : Constr.named_context; (** Section hypotheses on which the block depends *) mind_nparams : int; (** Number of expected parameters including non-uniform ones (i.e. length of mind_params_ctxt w/o let-in) *) mind_nparams_rec : int; (** Number of recursively uniform (i.e. ordinary) parameters *) - mind_params_ctxt : Context.Rel.t; (** The context of parameters (includes let-in declaration) *) + mind_params_ctxt : Constr.rel_context; (** The context of parameters (includes let-in declaration) *) mind_universes : abstract_inductive_universes; (** Information about monomorphic/polymorphic/cumulative inductives and their universes *) diff --git a/kernel/declareops.ml b/kernel/declareops.ml index 3652a1ce44..707c46048b 100644 --- a/kernel/declareops.ml +++ b/kernel/declareops.ml @@ -21,6 +21,10 @@ let safe_flags oracle = { check_guarded = true; check_universes = true; conv_oracle = oracle; + share_reduction = true; + enable_VM = true; + enable_native_compiler = true; + indices_matter = true; } (** {6 Arities } *) @@ -42,7 +46,7 @@ let map_decl_arity f g = function let hcons_template_arity ar = { template_param_levels = ar.template_param_levels; - (* List.smartmap (Option.smartmap Univ.hcons_univ_level) ar.template_param_levels; *) + (* List.Smart.map (Option.Smart.map Univ.hcons_univ_level) ar.template_param_levels; *) template_level = Univ.hcons_univ ar.template_level } (** {6 Constants } *) @@ -70,7 +74,7 @@ let is_opaque cb = match cb.const_body with let subst_rel_declaration sub = RelDecl.map_constr (subst_mps sub) -let subst_rel_context sub = List.smartmap (subst_rel_declaration sub) +let subst_rel_context sub = List.Smart.map (subst_rel_declaration sub) let subst_const_type sub arity = if is_empty_subst sub then arity @@ -83,28 +87,22 @@ let subst_const_def sub def = match def with | Def c -> Def (subst_constr sub c) | OpaqueDef o -> OpaqueDef (Opaqueproof.subst_opaque sub o) -let subst_const_proj sub pb = - { pb with proj_ind = subst_mind sub pb.proj_ind; - proj_type = subst_mps sub pb.proj_type; - proj_body = subst_const_type sub pb.proj_body } - let subst_const_body sub cb = assert (List.is_empty cb.const_hyps); (* we're outside sections *) if is_empty_subst sub then cb else let body' = subst_const_def sub cb.const_body in let type' = subst_const_type sub cb.const_type in - let proj' = Option.smartmap (subst_const_proj sub) cb.const_proj in if body' == cb.const_body && type' == cb.const_type - && proj' == cb.const_proj then cb + then cb else { const_hyps = []; const_body = body'; const_type = type'; - const_proj = proj'; const_body_code = Option.map (Cemitcodes.subst_to_patch_subst sub) cb.const_body_code; const_universes = cb.const_universes; + const_private_poly_univs = cb.const_private_poly_univs; const_inline_code = cb.const_inline_code; const_typing_flags = cb.const_typing_flags } @@ -117,7 +115,7 @@ let subst_const_body sub cb = let hcons_rel_decl = RelDecl.map_name Names.Name.hcons %> RelDecl.map_value Constr.hcons %> RelDecl.map_type Constr.hcons -let hcons_rel_context l = List.smartmap hcons_rel_decl l +let hcons_rel_context l = List.Smart.map hcons_rel_decl l let hcons_const_def = function | Undef inl -> Undef inl @@ -130,14 +128,20 @@ let hcons_const_universes cbu = match cbu with | Monomorphic_const ctx -> Monomorphic_const (Univ.hcons_universe_context_set ctx) - | Polymorphic_const ctx -> + | Polymorphic_const ctx -> Polymorphic_const (Univ.hcons_abstract_universe_context ctx) +let hcons_const_private_univs = function + | None -> None + | Some univs -> Some (Univ.hcons_universe_context_set univs) + let hcons_const_body cb = { cb with const_body = hcons_const_def cb.const_body; const_type = Constr.hcons cb.const_type; - const_universes = hcons_const_universes cb.const_universes } + const_universes = hcons_const_universes cb.const_universes; + const_private_poly_univs = hcons_const_private_univs cb.const_private_poly_univs; + } (** {6 Inductive types } *) @@ -178,7 +182,7 @@ let recarg_length p j = let (_,cstrs) = Rtree.dest_node p in Array.length (snd (Rtree.dest_node cstrs.(j-1))) -let subst_wf_paths sub p = Rtree.smartmap (subst_recarg sub) p +let subst_wf_paths sub p = Rtree.Smart.map (subst_recarg sub) p (** {7 Substitution of inductive declarations } *) @@ -187,7 +191,7 @@ let subst_regular_ind_arity sub s = if uar' == s.mind_user_arity then s else { mind_user_arity = uar'; mind_sort = s.mind_sort } -let subst_template_ind_arity sub s = s +let subst_template_ind_arity _sub s = s (* FIXME records *) let subst_ind_arity = @@ -198,10 +202,10 @@ let subst_mind_packet sub mbp = mind_consnrealdecls = mbp.mind_consnrealdecls; mind_consnrealargs = mbp.mind_consnrealargs; mind_typename = mbp.mind_typename; - mind_nf_lc = Array.smartmap (subst_mps sub) mbp.mind_nf_lc; + mind_nf_lc = Array.Smart.map (subst_mps sub) mbp.mind_nf_lc; mind_arity_ctxt = subst_rel_context sub mbp.mind_arity_ctxt; mind_arity = subst_ind_arity sub mbp.mind_arity; - mind_user_lc = Array.smartmap (subst_mps sub) mbp.mind_user_lc; + mind_user_lc = Array.Smart.map (subst_mps sub) mbp.mind_user_lc; mind_nrealargs = mbp.mind_nrealargs; mind_nrealdecls = mbp.mind_nrealdecls; mind_kelim = mbp.mind_kelim; @@ -210,14 +214,20 @@ let subst_mind_packet sub mbp = mind_nb_args = mbp.mind_nb_args; mind_reloc_tbl = mbp.mind_reloc_tbl } -let subst_mind_record sub (id, ps, pb as r) = - let ps' = Array.smartmap (subst_constant sub) ps in - let pb' = Array.smartmap (subst_const_proj sub) pb in - if ps' == ps && pb' == pb then r - else (id, ps', pb') +let subst_mind_record sub r = match r with +| NotRecord -> NotRecord +| FakeRecord -> FakeRecord +| PrimRecord infos -> + let map (id, ps, pb as info) = + let pb' = Array.Smart.map (subst_mps sub) pb in + if pb' == pb then info + else (id, ps, pb') + in + let infos' = Array.Smart.map map infos in + if infos' == infos then r else PrimRecord infos' let subst_mind_body sub mib = - { mind_record = Option.smartmap (Option.smartmap (subst_mind_record sub)) mib.mind_record ; + { mind_record = subst_mind_record sub mib.mind_record ; mind_finite = mib.mind_finite ; mind_ntypes = mib.mind_ntypes ; mind_hyps = (match mib.mind_hyps with [] -> [] | _ -> assert false); @@ -225,7 +235,7 @@ let subst_mind_body sub mib = mind_nparams_rec = mib.mind_nparams_rec; mind_params_ctxt = Context.Rel.map (subst_mps sub) mib.mind_params_ctxt; - mind_packets = Array.smartmap (subst_mind_packet sub) mib.mind_packets ; + mind_packets = Array.Smart.map (subst_mind_packet sub) mib.mind_packets ; mind_universes = mib.mind_universes; mind_private = mib.mind_private; mind_typing_flags = mib.mind_typing_flags; @@ -240,14 +250,33 @@ let inductive_polymorphic_context mib = let inductive_is_polymorphic mib = match mib.mind_universes with | Monomorphic_ind _ -> false - | Polymorphic_ind ctx -> true - | Cumulative_ind cumi -> true + | Polymorphic_ind _ctx -> true + | Cumulative_ind _cumi -> true let inductive_is_cumulative mib = match mib.mind_universes with | Monomorphic_ind _ -> false - | Polymorphic_ind ctx -> false - | Cumulative_ind cumi -> true + | Polymorphic_ind _ctx -> false + | Cumulative_ind _cumi -> true + +let inductive_make_projection ind mib ~proj_arg = + match mib.mind_record with + | NotRecord | FakeRecord -> None + | PrimRecord infos -> + Some (Names.Projection.Repr.make ind + ~proj_npars:mib.mind_nparams + ~proj_arg + (pi2 infos.(snd ind)).(proj_arg)) + +let inductive_make_projections ind mib = + match mib.mind_record with + | NotRecord | FakeRecord -> None + | PrimRecord infos -> + let projs = Array.mapi (fun proj_arg lab -> + Names.Projection.Repr.make ind ~proj_npars:mib.mind_nparams ~proj_arg lab) + (pi2 infos.(snd ind)) + in + Some projs (** {6 Hash-consing of inductive declarations } *) @@ -263,15 +292,15 @@ let hcons_ind_arity = (** Substitution of inductive declarations *) let hcons_mind_packet oib = - let user = Array.smartmap Constr.hcons oib.mind_user_lc in - let nf = Array.smartmap Constr.hcons oib.mind_nf_lc in + let user = Array.Smart.map Constr.hcons oib.mind_user_lc in + let nf = Array.Smart.map Constr.hcons oib.mind_nf_lc in (* Special optim : merge [mind_user_lc] and [mind_nf_lc] if possible *) let nf = if Array.equal (==) user nf then user else nf in { oib with mind_typename = Names.Id.hcons oib.mind_typename; mind_arity_ctxt = hcons_rel_context oib.mind_arity_ctxt; mind_arity = hcons_ind_arity oib.mind_arity; - mind_consnames = Array.smartmap Names.Id.hcons oib.mind_consnames; + mind_consnames = Array.Smart.map Names.Id.hcons oib.mind_consnames; mind_user_lc = user; mind_nf_lc = nf } @@ -283,17 +312,10 @@ let hcons_mind_universes miu = let hcons_mind mib = { mib with - mind_packets = Array.smartmap hcons_mind_packet mib.mind_packets; + mind_packets = Array.Smart.map hcons_mind_packet mib.mind_packets; mind_params_ctxt = hcons_rel_context mib.mind_params_ctxt; mind_universes = hcons_mind_universes mib.mind_universes } -(** {6 Stm machinery } *) - -let string_of_side_effect { Entries.eff } = match eff with - | Entries.SEsubproof (c,_,_) -> "P(" ^ Names.Constant.to_string c ^ ")" - | Entries.SEscheme (cl,_) -> - "S(" ^ String.concat ", " (List.map (fun (_,c,_,_) -> Names.Constant.to_string c) cl) ^ ")" - (** Hashconsing of modules *) let hcons_functorize hty he hself f = match f with @@ -331,7 +353,7 @@ and hcons_structure_body sb = let sfb' = hcons_structure_field_body sfb in if l == l' && sfb == sfb' then fb else (l', sfb') in - List.smartmap map sb + List.Smart.map map sb and hcons_module_signature ms = hcons_functorize hcons_module_type hcons_structure_body hcons_module_signature ms diff --git a/kernel/declareops.mli b/kernel/declareops.mli index fb46112ea7..35490ceef9 100644 --- a/kernel/declareops.mli +++ b/kernel/declareops.mli @@ -11,7 +11,6 @@ open Declarations open Mod_subst open Univ -open Entries (** Operations concerning types in [Declarations] : [constant_body], [mutual_inductive_body], [module_body] ... *) @@ -39,10 +38,6 @@ val constant_is_polymorphic : constant_body -> bool val is_opaque : constant_body -> bool -(** Side effects *) - -val string_of_side_effect : side_effect -> string - (** {6 Inductive types} *) val eq_recarg : recarg -> recarg -> bool @@ -66,6 +61,11 @@ val inductive_is_polymorphic : mutual_inductive_body -> bool (** Is the inductive cumulative? *) val inductive_is_cumulative : mutual_inductive_body -> bool +val inductive_make_projection : Names.inductive -> mutual_inductive_body -> proj_arg:int -> + Names.Projection.Repr.t option +val inductive_make_projections : Names.inductive -> mutual_inductive_body -> + Names.Projection.Repr.t array option + (** {6 Kernel flags} *) (** A default, safe set of flags for kernel type-checking *) diff --git a/kernel/dune b/kernel/dune new file mode 100644 index 0000000000..a503238907 --- /dev/null +++ b/kernel/dune @@ -0,0 +1,20 @@ +(library + (name kernel) + (synopsis "The Coq Kernel") + (public_name coq.kernel) + (wrapped false) + (modules_without_implementation cinstr nativeinstr) + (libraries clib config lib byterun)) + +(rule + (targets copcodes.ml) + (deps (:h-file byterun/coq_instruct.h) make-opcodes) + (action (run ./make_opcodes.sh %{h-file} %{targets}))) + +(documentation + (package coq)) + +; In dev profile, we check the kernel against a more strict set of +; warnings. +(env + (dev (flags :standard -w +a-4-44-50))) diff --git a/kernel/entries.ml b/kernel/entries.ml index 94da00c7eb..58bb782f15 100644 --- a/kernel/entries.ml +++ b/kernel/entries.ml @@ -16,14 +16,6 @@ open Constr constants/axioms, mutual inductive definitions, modules and module types *) - -(** {6 Local entries } *) - -type local_entry = - | LocalDefEntry of constr - | LocalAssumEntry of constr - - (** {6 Declaration of inductive types. } *) (** Assume the following definition in concrete syntax: @@ -38,8 +30,8 @@ then, in i{^ th} block, [mind_entry_params] is [xn:Xn;...;x1:X1]; type inductive_universes = | Monomorphic_ind_entry of Univ.ContextSet.t - | Polymorphic_ind_entry of Univ.UContext.t - | Cumulative_ind_entry of Univ.CumulativityInfo.t + | Polymorphic_ind_entry of Name.t array * Univ.UContext.t + | Cumulative_ind_entry of Name.t array * Univ.CumulativityInfo.t type one_inductive_entry = { mind_entry_typename : Id.t; @@ -49,12 +41,12 @@ type one_inductive_entry = { mind_entry_lc : constr list } type mutual_inductive_entry = { - mind_entry_record : (Id.t option) option; - (** Some (Some id): primitive record with id the binder name of the record - in projections. + mind_entry_record : (Id.t array option) option; + (** Some (Some ids): primitive records with ids the binder name of each + record in their respective projections. Not used by the kernel. Some None: non-primitive record *) mind_entry_finite : Declarations.recursivity_kind; - mind_entry_params : (Id.t * local_entry) list; + mind_entry_params : Constr.rel_context; mind_entry_inds : one_inductive_entry list; mind_entry_universes : inductive_universes; (* universe constraints and the constraints for subtyping of @@ -68,14 +60,14 @@ type 'a const_entry_body = 'a proof_output Future.computation type constant_universes_entry = | Monomorphic_const_entry of Univ.ContextSet.t - | Polymorphic_const_entry of Univ.UContext.t + | Polymorphic_const_entry of Name.t array * Univ.UContext.t type 'a in_constant_universes_entry = 'a * constant_universes_entry type 'a definition_entry = { const_entry_body : 'a const_entry_body; (* List of section variables *) - const_entry_secctx : Context.Named.t option; + const_entry_secctx : Constr.named_context option; (* State id on which the completion of type checking is reported *) const_entry_feedback : Stateid.t option; const_entry_type : types option; @@ -85,7 +77,7 @@ type 'a definition_entry = { type section_def_entry = { secdef_body : constr; - secdef_secctx : Context.Named.t option; + secdef_secctx : Constr.named_context option; secdef_feedback : Stateid.t option; secdef_type : types option; } @@ -93,16 +85,11 @@ type section_def_entry = { type inline = int option (* inlining level, None for no inlining *) type parameter_entry = - Context.Named.t option * types in_constant_universes_entry * inline - -type projection_entry = { - proj_entry_ind : MutInd.t; - proj_entry_arg : int } + Constr.named_context option * types in_constant_universes_entry * inline type 'a constant_entry = | DefinitionEntry of 'a definition_entry | ParameterEntry of parameter_entry - | ProjectionEntry of projection_entry (** {6 Modules } *) @@ -125,11 +112,14 @@ type seff_env = Same as the constant_body's but not in an ephemeron *) | `Opaque of Constr.t * Univ.ContextSet.t ] -type side_eff = - | SEsubproof of Constant.t * Declarations.constant_body * seff_env - | SEscheme of (inductive * Constant.t * Declarations.constant_body * seff_env) list * string +(** Not used by the kernel. *) +type side_effect_role = + | Subproof + | Schema of inductive * string -type side_effect = { - from_env : Declarations.structure_body CEphemeron.key; - eff : side_eff; +type side_eff = { + seff_constant : Constant.t; + seff_body : Declarations.constant_body; + seff_env : seff_env; + seff_role : side_effect_role; } diff --git a/kernel/environ.ml b/kernel/environ.ml index 9d4063e433..38a428d9a1 100644 --- a/kernel/environ.ml +++ b/kernel/environ.ml @@ -28,26 +28,208 @@ open Names open Constr open Vars open Declarations -open Pre_env open Context.Rel.Declaration +module NamedDecl = Context.Named.Declaration + (* The type of environments. *) -type named_context_val = Pre_env.named_context_val +(* The key attached to each constant is used by the VM to retrieve previous *) +(* evaluations of the constant. It is essentially an index in the symbols table *) +(* used by the VM. *) +type key = int CEphemeron.key option ref + +(** Linking information for the native compiler. *) + +type link_info = + | Linked of string + | LinkedInteractive of string + | NotLinked + +type constant_key = constant_body * (link_info ref * key) + +type mind_key = mutual_inductive_body * link_info ref + +type globals = { + env_constants : constant_key Cmap_env.t; + env_inductives : mind_key Mindmap_env.t; + env_modules : module_body MPmap.t; + env_modtypes : module_type_body MPmap.t; +} + +type stratification = { + env_universes : UGraph.t; + env_engagement : engagement +} + +type val_kind = + | VKvalue of (Vmvalues.values * Id.Set.t) CEphemeron.key + | VKnone + +type lazy_val = val_kind ref + +let force_lazy_val vk = match !vk with +| VKnone -> None +| VKvalue v -> try Some (CEphemeron.get v) with CEphemeron.InvalidKey -> None + +let dummy_lazy_val () = ref VKnone +let build_lazy_val vk key = vk := VKvalue (CEphemeron.create key) + +type named_context_val = { + env_named_ctx : Constr.named_context; + env_named_map : (Constr.named_declaration * lazy_val) Id.Map.t; +} + +type rel_context_val = { + env_rel_ctx : Constr.rel_context; + env_rel_map : (Constr.rel_declaration * lazy_val) Range.t; +} + +type env = { + env_globals : globals; + env_named_context : named_context_val; (* section variables *) + env_rel_context : rel_context_val; + env_nb_rel : int; + env_stratification : stratification; + env_typing_flags : typing_flags; + retroknowledge : Retroknowledge.retroknowledge; + indirect_pterms : Opaqueproof.opaquetab; +} + +let empty_named_context_val = { + env_named_ctx = []; + env_named_map = Id.Map.empty; +} + +let empty_rel_context_val = { + env_rel_ctx = []; + env_rel_map = Range.empty; +} + +let empty_env = { + env_globals = { + env_constants = Cmap_env.empty; + env_inductives = Mindmap_env.empty; + env_modules = MPmap.empty; + env_modtypes = MPmap.empty}; + env_named_context = empty_named_context_val; + env_rel_context = empty_rel_context_val; + env_nb_rel = 0; + env_stratification = { + env_universes = UGraph.initial_universes; + env_engagement = PredicativeSet }; + env_typing_flags = Declareops.safe_flags Conv_oracle.empty; + retroknowledge = Retroknowledge.initial_retroknowledge; + indirect_pterms = Opaqueproof.empty_opaquetab } + + +(* Rel context *) + +let push_rel_context_val d ctx = { + env_rel_ctx = Context.Rel.add d ctx.env_rel_ctx; + env_rel_map = Range.cons (d, ref VKnone) ctx.env_rel_map; +} + +let match_rel_context_val ctx = match ctx.env_rel_ctx with +| [] -> None +| decl :: rem -> + let (_, lval) = Range.hd ctx.env_rel_map in + let ctx = { env_rel_ctx = rem; env_rel_map = Range.tl ctx.env_rel_map } in + Some (decl, lval, ctx) + +let push_rel d env = + { env with + env_rel_context = push_rel_context_val d env.env_rel_context; + env_nb_rel = env.env_nb_rel + 1 } + +let lookup_rel n env = + try fst (Range.get env.env_rel_context.env_rel_map (n - 1)) + with Invalid_argument _ -> raise Not_found + +let lookup_rel_val n env = + try snd (Range.get env.env_rel_context.env_rel_map (n - 1)) + with Invalid_argument _ -> raise Not_found + +let rel_skipn n ctx = { + env_rel_ctx = Util.List.skipn n ctx.env_rel_ctx; + env_rel_map = Range.skipn n ctx.env_rel_map; +} + +let env_of_rel n env = + { env with + env_rel_context = rel_skipn n env.env_rel_context; + env_nb_rel = env.env_nb_rel - n + } + +(* Named context *) + +let push_named_context_val_val d rval ctxt = +(* assert (not (Id.Map.mem (NamedDecl.get_id d) ctxt.env_named_map)); *) + { + env_named_ctx = Context.Named.add d ctxt.env_named_ctx; + env_named_map = Id.Map.add (NamedDecl.get_id d) (d, rval) ctxt.env_named_map; + } + +let push_named_context_val d ctxt = + push_named_context_val_val d (ref VKnone) ctxt + +let match_named_context_val c = match c.env_named_ctx with +| [] -> None +| decl :: ctx -> + let (_, v) = Id.Map.find (NamedDecl.get_id decl) c.env_named_map in + let map = Id.Map.remove (NamedDecl.get_id decl) c.env_named_map in + let cval = { env_named_ctx = ctx; env_named_map = map } in + Some (decl, v, cval) + +let map_named_val f ctxt = + let open Context.Named.Declaration in + let fold accu d = + let d' = map_constr f d in + let accu = + if d == d' then accu + else Id.Map.modify (get_id d) (fun _ (_, v) -> (d', v)) accu + in + (accu, d') + in + let map, ctx = List.fold_left_map fold ctxt.env_named_map ctxt.env_named_ctx in + if map == ctxt.env_named_map then ctxt + else { env_named_ctx = ctx; env_named_map = map } + +let push_named d env = + {env with env_named_context = push_named_context_val d env.env_named_context} + +let lookup_named id env = + fst (Id.Map.find id env.env_named_context.env_named_map) + +let lookup_named_val id env = + snd(Id.Map.find id env.env_named_context.env_named_map) -type env = Pre_env.env +let lookup_named_ctxt id ctxt = + fst (Id.Map.find id ctxt.env_named_map) + +let fold_constants f env acc = + Cmap_env.fold (fun c (body,_) acc -> f c body acc) env.env_globals.env_constants acc + +(* Global constants *) + +let lookup_constant_key kn env = + Cmap_env.find kn env.env_globals.env_constants + +let lookup_constant kn env = + fst (Cmap_env.find kn env.env_globals.env_constants) + +(* Mutual Inductives *) +let lookup_mind kn env = + fst (Mindmap_env.find kn env.env_globals.env_inductives) + +let lookup_mind_key kn env = + Mindmap_env.find kn env.env_globals.env_inductives -let pre_env env = env -let env_of_pre_env env = env let oracle env = env.env_typing_flags.conv_oracle let set_oracle env o = let env_typing_flags = { env.env_typing_flags with conv_oracle = o } in { env with env_typing_flags } -let empty_named_context_val = empty_named_context_val - -let empty_env = empty_env - let engagement env = env.env_stratification.env_engagement let typing_flags env = env.env_typing_flags @@ -59,6 +241,8 @@ let is_impredicative_set env = let type_in_type env = not (typing_flags env).check_universes let deactivated_guard env = not (typing_flags env).check_guarded +let indices_matter env = env.env_typing_flags.indices_matter + let universes env = env.env_stratification.env_universes let named_context env = env.env_named_context.env_named_ctx let named_context_val env = env.env_named_context @@ -72,15 +256,11 @@ let empty_context env = | _ -> false (* Rel context *) -let lookup_rel = lookup_rel - let evaluable_rel n env = is_local_def (lookup_rel n env) let nb_rel env = env.env_nb_rel -let push_rel = push_rel - let push_rel_context ctxt x = Context.Rel.fold_outside push_rel ctxt ~init:x let push_rec_types (lna,typarray,_) env = @@ -105,35 +285,25 @@ let named_context_of_val c = c.env_named_ctx let ids_of_named_context_val c = Id.Map.domain c.env_named_map -(* [map_named_val f ctxt] apply [f] to the body and the type of - each declarations. - *** /!\ *** [f t] should be convertible with t *) -let map_named_val = map_named_val - let empty_named_context = Context.Named.empty -let push_named = push_named let push_named_context = List.fold_right push_named -let push_named_context_val = push_named_context_val let val_of_named_context ctxt = List.fold_right push_named_context_val ctxt empty_named_context_val -let lookup_named = lookup_named -let lookup_named_val id ctxt = fst (Id.Map.find id ctxt.env_named_map) - let eq_named_context_val c1 c2 = c1 == c2 || Context.Named.equal Constr.equal (named_context_of_val c1) (named_context_of_val c2) (* A local const is evaluable if it is defined *) -open Context.Named.Declaration - let named_type id env = + let open Context.Named.Declaration in get_type (lookup_named id env) let named_body id env = + let open Context.Named.Declaration in get_value (lookup_named id env) let evaluable_named id env = @@ -165,7 +335,7 @@ let fold_named_context f env ~init = let rec fold_right env = match match_named_context_val env.env_named_context with | None -> init - | Some (d, v, rem) -> + | Some (d, _v, rem) -> let env = reset_with_named_context rem env in f env d (fold_right env) @@ -181,7 +351,7 @@ let map_universes f env = let s = env.env_stratification in { env with env_stratification = { s with env_universes = f s.env_universes } } - + let add_constraints c env = if Univ.Constraint.is_empty c then env else map_universes (UGraph.merge_constraints c) env @@ -194,8 +364,7 @@ let push_constraints_to_env (_,univs) env = let add_universes strict ctx g = let g = Array.fold_left - (* Be lenient, module typing reintroduces universes and constraints due to includes *) - (fun g v -> try UGraph.add_universe v strict g with UGraph.AlreadyDeclared -> g) + (fun g v -> UGraph.add_universe v strict g) g (Univ.Instance.to_array (Univ.UContext.instance ctx)) in UGraph.merge_constraints (Univ.UContext.constraints ctx) g @@ -205,6 +374,7 @@ let push_context ?(strict=false) ctx env = let add_universes_set strict ctx g = let g = Univ.LSet.fold + (* Be lenient, module typing reintroduces universes and constraints due to includes *) (fun v g -> try UGraph.add_universe v strict g with UGraph.AlreadyDeclared -> g) (Univ.ContextSet.levels ctx) g in UGraph.merge_constraints (Univ.ContextSet.constraints ctx) g @@ -212,17 +382,47 @@ let add_universes_set strict ctx g = let push_context_set ?(strict=false) ctx env = map_universes (add_universes_set strict ctx) env +let push_subgraph (levels,csts) env = + let add_subgraph g = + let newg = Univ.LSet.fold (fun v g -> UGraph.add_universe v false g) levels g in + let newg = UGraph.merge_constraints csts newg in + (if not (Univ.Constraint.is_empty csts) then + let restricted = UGraph.constraints_for ~kept:(UGraph.domain g) newg in + (if not (UGraph.check_constraints restricted g) then + CErrors.anomaly Pp.(str "Local constraints imply new transitive constraints."))); + newg + in + map_universes add_subgraph env + let set_engagement c env = (* Unsafe *) { env with env_stratification = { env.env_stratification with env_engagement = c } } +(* It's convenient to use [{flags with foo = bar}] so we're smart wrt to it. *) +let same_flags { + check_guarded; + check_universes; + conv_oracle; + indices_matter; + share_reduction; + enable_VM; + enable_native_compiler; + } alt = + check_guarded == alt.check_guarded && + check_universes == alt.check_universes && + conv_oracle == alt.conv_oracle && + indices_matter == alt.indices_matter && + share_reduction == alt.share_reduction && + enable_VM == alt.enable_VM && + enable_native_compiler == alt.enable_native_compiler +[@warning "+9"] + let set_typing_flags c env = (* Unsafe *) - { env with env_typing_flags = c } + if same_flags env.env_typing_flags c then env + else { env with env_typing_flags = c } (* Global constants *) -let lookup_constant = lookup_constant - let no_link_info = NotLinked let add_constant_key kn cb linkinfo env = @@ -236,25 +436,12 @@ let add_constant_key kn cb linkinfo env = let add_constant kn cb env = add_constant_key kn cb no_link_info env -let constraints_of cb u = - match cb.const_universes with - | Monomorphic_const _ -> Univ.Constraint.empty - | Polymorphic_const ctx -> Univ.AUContext.instantiate u ctx - (* constant_type gives the type of a constant *) let constant_type env (kn,u) = let cb = lookup_constant kn env in - match cb.const_universes with - | Monomorphic_const _ -> cb.const_type, Univ.Constraint.empty - | Polymorphic_const ctx -> - let csts = constraints_of cb u in - (subst_instance_constr u cb.const_type, csts) - -let constant_context env kn = - let cb = lookup_constant kn env in - match cb.const_universes with - | Monomorphic_const _ -> Univ.AUContext.empty - | Polymorphic_const ctx -> ctx + let uctx = Declareops.constant_polymorphic_context cb in + let csts = Univ.AUContext.instantiate u uctx in + (subst_instance_constr u cb.const_type, csts) type const_evaluation_result = NoBody | Opaque @@ -262,20 +449,24 @@ exception NotEvaluableConst of const_evaluation_result let constant_value_and_type env (kn, u) = let cb = lookup_constant kn env in - if Declareops.constant_is_polymorphic cb then - let cst = constraints_of cb u in - let b' = match cb.const_body with - | Def l_body -> Some (subst_instance_constr u (Mod_subst.force_constr l_body)) - | OpaqueDef _ -> None - | Undef _ -> None - in - b', subst_instance_constr u cb.const_type, cst - else - let b' = match cb.const_body with - | Def l_body -> Some (Mod_subst.force_constr l_body) - | OpaqueDef _ -> None - | Undef _ -> None - in b', cb.const_type, Univ.Constraint.empty + let uctx = Declareops.constant_polymorphic_context cb in + let cst = Univ.AUContext.instantiate u uctx in + let b' = match cb.const_body with + | Def l_body -> Some (subst_instance_constr u (Mod_subst.force_constr l_body)) + | OpaqueDef _ -> None + | Undef _ -> None + in + b', subst_instance_constr u cb.const_type, cst + +let body_of_constant_body env cb = + let otab = opaque_tables env in + match cb.const_body with + | Undef _ -> + None + | Def c -> + Some (Mod_subst.force_constr c, Declareops.constant_polymorphic_context cb) + | OpaqueDef o -> + Some (Opaqueproof.force_proof otab o, Declareops.constant_polymorphic_context cb) (* These functions should be called under the invariant that [env] already contains the constraints corresponding to the constant @@ -284,9 +475,7 @@ let constant_value_and_type env (kn, u) = (* constant_type gives the type of a constant *) let constant_type_in env (kn,u) = let cb = lookup_constant kn env in - if Declareops.constant_is_polymorphic cb then - subst_instance_constr u cb.const_type - else cb.const_type + subst_instance_constr u cb.const_type let constant_value_in env (kn,u) = let cb = lookup_constant kn env in @@ -319,27 +508,34 @@ let polymorphic_pconstant (cst,u) env = let type_in_type_constant cst env = not (lookup_constant cst env).const_typing_flags.check_universes -let lookup_projection cst env = - match (lookup_constant (Projection.constant cst) env).const_proj with - | Some pb -> pb - | None -> anomaly (Pp.str "lookup_projection: constant is not a projection.") - -let is_projection cst env = - match (lookup_constant cst env).const_proj with - | Some _ -> true - | None -> false +let lookup_projection p env = + let mind,i = Projection.inductive p in + let mib = lookup_mind mind env in + (if not (Int.equal mib.mind_nparams (Projection.npars p)) + then anomaly ~label:"lookup_projection" Pp.(str "Bad number of parameters on projection.")); + match mib.mind_record with + | NotRecord | FakeRecord -> anomaly ~label:"lookup_projection" Pp.(str "not a projection") + | PrimRecord infos -> + let _,_,typs = infos.(i) in + typs.(Projection.arg p) + +let get_projection env ind ~proj_arg = + let mib = lookup_mind (fst ind) env in + Declareops.inductive_make_projection ind mib ~proj_arg + +let get_projections env ind = + let mib = lookup_mind (fst ind) env in + Declareops.inductive_make_projections ind mib (* Mutual Inductives *) -let lookup_mind = lookup_mind - -let polymorphic_ind (mind,i) env = +let polymorphic_ind (mind,_i) env = Declareops.inductive_is_polymorphic (lookup_mind mind env) let polymorphic_pind (ind,u) env = if Univ.Instance.is_empty u then false else polymorphic_ind ind env -let type_in_type_ind (mind,i) env = +let type_in_type_ind (mind,_i) env = not (lookup_mind mind env).mind_typing_flags.check_universes let template_polymorphic_ind (mind,i) env = @@ -351,11 +547,11 @@ let template_polymorphic_pind (ind,u) env = if not (Univ.Instance.is_empty u) then false else template_polymorphic_ind ind env -let add_mind_key kn mind_key env = +let add_mind_key kn (_mind, _ as mind_key) env = let new_inds = Mindmap_env.add kn mind_key env.env_globals.env_inductives in let new_globals = { env.env_globals with - env_inductives = new_inds } in + env_inductives = new_inds; } in { env with env_globals = new_globals } let add_mind kn mib env = @@ -367,35 +563,45 @@ let lookup_constant_variables c env = let cmap = lookup_constant c env in Context.Named.to_vars cmap.const_hyps -let lookup_inductive_variables (kn,i) env = +let lookup_inductive_variables (kn,_i) env = let mis = lookup_mind kn env in Context.Named.to_vars mis.mind_hyps let lookup_constructor_variables (ind,_) env = lookup_inductive_variables ind env +(* Universes *) +let constant_context env c = + let cb = lookup_constant c env in + Declareops.constant_polymorphic_context cb + +let universes_of_global env r = + let open GlobRef in + match r with + | VarRef _ -> Univ.AUContext.empty + | ConstRef c -> constant_context env c + | IndRef (mind,_) | ConstructRef ((mind,_),_) -> + let mib = lookup_mind mind env in + Declareops.inductive_polymorphic_context mib + (* Returns the list of global variables in a term *) -let vars_of_global env constr = - match kind constr with - Var id -> Id.Set.singleton id - | Const (kn, _) -> lookup_constant_variables kn env - | Ind (ind, _) -> lookup_inductive_variables ind env - | Construct (cstr, _) -> lookup_constructor_variables cstr env - (** FIXME: is Proj missing? *) - | _ -> raise Not_found +let vars_of_global env gr = + let open GlobRef in + match gr with + | VarRef id -> Id.Set.singleton id + | ConstRef kn -> lookup_constant_variables kn env + | IndRef ind -> lookup_inductive_variables ind env + | ConstructRef cstr -> lookup_constructor_variables cstr env let global_vars_set env constr = let rec filtrec acc c = - let acc = - match kind c with - | Var _ | Const _ | Ind _ | Construct _ -> - Id.Set.union (vars_of_global env c) acc - | _ -> - acc in - Constr.fold filtrec acc c + match destRef c with + | gr, _ -> + Id.Set.union (vars_of_global env gr) acc + | exception DestKO -> Constr.fold filtrec acc c in - filtrec Id.Set.empty constr + filtrec Id.Set.empty constr (* [keep_hyps env ids] keeps the part of the section context of [env] which @@ -403,6 +609,7 @@ let global_vars_set env constr = contained in the types of the needed variables. *) let really_needed env needed = + let open! Context.Named.Declaration in Context.Named.fold_inside (fun need decl -> if Id.Set.mem (get_id decl) need then @@ -418,6 +625,7 @@ let really_needed env needed = (named_context env) let keep_hyps env needed = + let open Context.Named.Declaration in let really_needed = really_needed env needed in Context.Named.fold_outside (fun d nsign -> @@ -468,13 +676,10 @@ type 'types punsafe_type_judgment = { type unsafe_type_judgment = types punsafe_type_judgment -(*s Compilation of global declaration *) - -let compile_constant_body = Cbytegen.compile_constant_body ~fail_on_error:false - exception Hyp_not_found let apply_to_hyp ctxt id f = + let open Context.Named.Declaration in let rec aux rtail ctxt = match match_named_context_val ctxt with | Some (d, v, ctxt) -> @@ -491,6 +696,7 @@ let remove_hyps ids check_context check_value ctxt = let rec remove_hyps ctxt = match match_named_context_val ctxt with | None -> empty_named_context_val, false | Some (d, v, rctxt) -> + let open Context.Named.Declaration in let (ans, seen) = remove_hyps rctxt in if Id.Set.mem (get_id d) ids then (ans, true) else if not seen then ctxt, false @@ -504,6 +710,32 @@ let remove_hyps ids check_context check_value ctxt = in fst (remove_hyps ctxt) +(* A general request *) + +let is_polymorphic env r = + let open Names.GlobRef in + match r with + | VarRef _id -> false + | ConstRef c -> polymorphic_constant c env + | IndRef ind -> polymorphic_ind ind env + | ConstructRef cstr -> polymorphic_ind (inductive_of_constructor cstr) env + +let is_template_polymorphic env r = + let open Names.GlobRef in + match r with + | VarRef _id -> false + | ConstRef _c -> false + | IndRef ind -> template_polymorphic_ind ind env + | ConstructRef cstr -> template_polymorphic_ind (inductive_of_constructor cstr) env + +let is_type_in_type env r = + let open Names.GlobRef in + match r with + | VarRef _id -> false + | ConstRef c -> type_in_type_constant c env + | IndRef ind -> type_in_type_ind ind env + | ConstructRef cstr -> type_in_type_ind (inductive_of_constructor cstr) env + (*spiwack: the following functions assemble the pieces of the retroknowledge note that the "consistent" register function is available in the module Safetyping, Environ only synchronizes the proactive and the reactive parts*) @@ -521,130 +753,12 @@ let register_one env field entry = { env with retroknowledge = Retroknowledge.add_field env.retroknowledge field entry } (* [register env field entry] may register several fields when needed *) -let register env field entry = +let register env field gr = match field with - | KInt31 (grp, Int31Type) -> - let i31c = match kind entry with - | Ind i31t -> mkConstructUi (i31t, 1) - | _ -> anomaly ~label:"Environ.register" (Pp.str "should be an inductive type.") - in - register_one (register_one env (KInt31 (grp,Int31Constructor)) i31c) field entry - | field -> register_one env field entry - -(* the Environ.register function syncrhonizes the proactive and reactive - retroknowledge. *) -let dispatch = - - (* subfunction used for static decompilation of int31 (after a vm_compute, - see pretyping/vnorm.ml for more information) *) - let constr_of_int31 = - let nth_digit_plus_one i n = (* calculates the nth (starting with 0) - digit of i and adds 1 to it - (nth_digit_plus_one 1 3 = 2) *) - if Int.equal (i land (1 lsl n)) 0 then - 1 - else - 2 + | KInt31 Int31Type -> + let i31c = match gr with + | GlobRef.IndRef i31t -> GlobRef.ConstructRef (i31t, 1) + | _ -> anomaly ~label:"Environ.register" (Pp.str "should be an inductive type.") in - fun ind -> fun digit_ind -> fun tag -> - let array_of_int i = - Array.init 31 (fun n -> mkConstruct - (digit_ind, nth_digit_plus_one i (30-n))) - in - (* We check that no bit above 31 is set to one. This assertion used to - fail in the VM, and led to conversion tests failing at Qed. *) - assert (Int.equal (tag lsr 31) 0); - mkApp(mkConstruct(ind, 1), array_of_int tag) - in - - (* subfunction which dispatches the compiling information of an - int31 operation which has a specific vm instruction (associates - it to the name of the coq definition in the reactive retroknowledge) *) - let int31_op n op prim kn = - { empty_reactive_info with - vm_compiling = Some (Clambda.compile_prim n op kn); - native_compiling = Some (Nativelambda.compile_prim prim (Univ.out_punivs kn)); - } - in - -fun rk value field -> - (* subfunction which shortens the (very common) dispatch of operations *) - let int31_op_from_const n op prim = - match kind value with - | Const kn -> int31_op n op prim kn - | _ -> anomaly ~label:"Environ.register" (Pp.str "should be a constant.") - in - let int31_binop_from_const op prim = int31_op_from_const 2 op prim in - let int31_unop_from_const op prim = int31_op_from_const 1 op prim in - match field with - | KInt31 (grp, Int31Type) -> - let int31bit = - (* invariant : the type of bits is registered, otherwise the function - would raise Not_found. The invariant is enforced in safe_typing.ml *) - match field with - | KInt31 (grp, Int31Type) -> Retroknowledge.find rk (KInt31 (grp,Int31Bits)) - | _ -> anomaly ~label:"Environ.register" - (Pp.str "add_int31_decompilation_from_type called with an abnormal field.") - in - let i31bit_type = - match kind int31bit with - | Ind (i31bit_type,_) -> i31bit_type - | _ -> anomaly ~label:"Environ.register" - (Pp.str "Int31Bits should be an inductive type.") - in - let int31_decompilation = - match kind value with - | Ind (i31t,_) -> - constr_of_int31 i31t i31bit_type - | _ -> anomaly ~label:"Environ.register" - (Pp.str "should be an inductive type.") - in - { empty_reactive_info with - vm_decompile_const = Some int31_decompilation; - vm_before_match = Some Clambda.int31_escape_before_match; - native_before_match = Some (Nativelambda.before_match_int31 i31bit_type); - } - | KInt31 (_, Int31Constructor) -> - { empty_reactive_info with - vm_constant_static = Some Clambda.compile_structured_int31; - vm_constant_dynamic = Some Clambda.dynamic_int31_compilation; - native_constant_static = Some Nativelambda.compile_static_int31; - native_constant_dynamic = Some Nativelambda.compile_dynamic_int31; - } - | KInt31 (_, Int31Plus) -> int31_binop_from_const Cbytecodes.Kaddint31 - CPrimitives.Int31add - | KInt31 (_, Int31PlusC) -> int31_binop_from_const Cbytecodes.Kaddcint31 - CPrimitives.Int31addc - | KInt31 (_, Int31PlusCarryC) -> int31_binop_from_const Cbytecodes.Kaddcarrycint31 - CPrimitives.Int31addcarryc - | KInt31 (_, Int31Minus) -> int31_binop_from_const Cbytecodes.Ksubint31 - CPrimitives.Int31sub - | KInt31 (_, Int31MinusC) -> int31_binop_from_const Cbytecodes.Ksubcint31 - CPrimitives.Int31subc - | KInt31 (_, Int31MinusCarryC) -> int31_binop_from_const - Cbytecodes.Ksubcarrycint31 CPrimitives.Int31subcarryc - | KInt31 (_, Int31Times) -> int31_binop_from_const Cbytecodes.Kmulint31 - CPrimitives.Int31mul - | KInt31 (_, Int31TimesC) -> int31_binop_from_const Cbytecodes.Kmulcint31 - CPrimitives.Int31mulc - | KInt31 (_, Int31Div21) -> int31_op_from_const 3 Cbytecodes.Kdiv21int31 - CPrimitives.Int31div21 - | KInt31 (_, Int31Diveucl) -> int31_binop_from_const Cbytecodes.Kdivint31 - CPrimitives.Int31diveucl - | KInt31 (_, Int31AddMulDiv) -> int31_op_from_const 3 Cbytecodes.Kaddmuldivint31 - CPrimitives.Int31addmuldiv - | KInt31 (_, Int31Compare) -> int31_binop_from_const Cbytecodes.Kcompareint31 - CPrimitives.Int31compare - | KInt31 (_, Int31Head0) -> int31_unop_from_const Cbytecodes.Khead0int31 - CPrimitives.Int31head0 - | KInt31 (_, Int31Tail0) -> int31_unop_from_const Cbytecodes.Ktail0int31 - CPrimitives.Int31tail0 - | KInt31 (_, Int31Lor) -> int31_binop_from_const Cbytecodes.Klorint31 - CPrimitives.Int31lor - | KInt31 (_, Int31Land) -> int31_binop_from_const Cbytecodes.Klandint31 - CPrimitives.Int31land - | KInt31 (_, Int31Lxor) -> int31_binop_from_const Cbytecodes.Klxorint31 - CPrimitives.Int31lxor - | _ -> empty_reactive_info - -let _ = Hook.set Retroknowledge.dispatch_hook dispatch + register_one (register_one env (KInt31 Int31Constructor) i31c) field gr + | field -> register_one env field gr diff --git a/kernel/environ.mli b/kernel/environ.mli index 4e6ac1e725..8a2efb2477 100644 --- a/kernel/environ.mli +++ b/kernel/environ.mli @@ -28,23 +28,63 @@ open Declarations - a set of universe constraints - a flag telling if Set is, can be, or cannot be set impredicative *) +type lazy_val +val build_lazy_val : lazy_val -> (Vmvalues.values * Id.Set.t) -> unit +val force_lazy_val : lazy_val -> (Vmvalues.values * Id.Set.t) option +val dummy_lazy_val : unit -> lazy_val +(** Linking information for the native compiler *) +type link_info = + | Linked of string + | LinkedInteractive of string + | NotLinked + +type key = int CEphemeron.key option ref + +type constant_key = constant_body * (link_info ref * key) + +type mind_key = mutual_inductive_body * link_info ref + +type globals +(** globals = constants + projections + inductive types + modules + module-types *) + +type stratification = { + env_universes : UGraph.t; + env_engagement : engagement +} + +type named_context_val = private { + env_named_ctx : Constr.named_context; + env_named_map : (Constr.named_declaration * lazy_val) Id.Map.t; +} + +type rel_context_val = private { + env_rel_ctx : Constr.rel_context; + env_rel_map : (Constr.rel_declaration * lazy_val) Range.t; +} + +type env = private { + env_globals : globals; + env_named_context : named_context_val; (* section variables *) + env_rel_context : rel_context_val; + env_nb_rel : int; + env_stratification : stratification; + env_typing_flags : typing_flags; + retroknowledge : Retroknowledge.retroknowledge; + indirect_pterms : Opaqueproof.opaquetab; +} -type env -val pre_env : env -> Pre_env.env -val env_of_pre_env : Pre_env.env -> env val oracle : env -> Conv_oracle.oracle val set_oracle : env -> Conv_oracle.oracle -> env -type named_context_val val eq_named_context_val : named_context_val -> named_context_val -> bool val empty_env : env val universes : env -> UGraph.t -val rel_context : env -> Context.Rel.t -val named_context : env -> Context.Named.t +val rel_context : env -> Constr.rel_context +val named_context : env -> Constr.named_context val named_context_val : env -> named_context_val val opaque_tables : env -> Opaqueproof.opaquetab @@ -56,6 +96,7 @@ val typing_flags : env -> typing_flags val is_impredicative_set : env -> bool val type_in_type : env -> bool val deactivated_guard : env -> bool +val indices_matter : env -> bool (** is the local context empty *) val empty_context : env -> bool @@ -63,24 +104,26 @@ val empty_context : env -> bool (** {5 Context of de Bruijn variables ([rel_context]) } *) val nb_rel : env -> int -val push_rel : Context.Rel.Declaration.t -> env -> env -val push_rel_context : Context.Rel.t -> env -> env +val push_rel : Constr.rel_declaration -> env -> env +val push_rel_context : Constr.rel_context -> env -> env val push_rec_types : rec_declaration -> env -> env (** Looks up in the context of local vars referred by indice ([rel_context]) raises [Not_found] if the index points out of the context *) -val lookup_rel : int -> env -> Context.Rel.Declaration.t +val lookup_rel : int -> env -> Constr.rel_declaration +val lookup_rel_val : int -> env -> lazy_val val evaluable_rel : int -> env -> bool +val env_of_rel : int -> env -> env (** {6 Recurrence on [rel_context] } *) val fold_rel_context : - (env -> Context.Rel.Declaration.t -> 'a -> 'a) -> env -> init:'a -> 'a + (env -> Constr.rel_declaration -> 'a -> 'a) -> env -> init:'a -> 'a (** {5 Context of variables (section variables and goal assumptions) } *) -val named_context_of_val : named_context_val -> Context.Named.t -val val_of_named_context : Context.Named.t -> named_context_val +val named_context_of_val : named_context_val -> Constr.named_context +val val_of_named_context : Constr.named_context -> named_context_val val empty_named_context_val : named_context_val val ids_of_named_context_val : named_context_val -> Id.Set.t @@ -91,18 +134,19 @@ val ids_of_named_context_val : named_context_val -> Id.Set.t val map_named_val : (constr -> constr) -> named_context_val -> named_context_val -val push_named : Context.Named.Declaration.t -> env -> env -val push_named_context : Context.Named.t -> env -> env +val push_named : Constr.named_declaration -> env -> env +val push_named_context : Constr.named_context -> env -> env val push_named_context_val : - Context.Named.Declaration.t -> named_context_val -> named_context_val + Constr.named_declaration -> named_context_val -> named_context_val (** Looks up in the context of local vars referred by names ([named_context]) raises [Not_found] if the Id.t is not found *) -val lookup_named : variable -> env -> Context.Named.Declaration.t -val lookup_named_val : variable -> named_context_val -> Context.Named.Declaration.t +val lookup_named : variable -> env -> Constr.named_declaration +val lookup_named_val : variable -> env -> lazy_val +val lookup_named_ctxt : variable -> named_context_val -> Constr.named_declaration val evaluable_named : variable -> env -> bool val named_type : variable -> env -> types val named_body : variable -> env -> constr option @@ -110,11 +154,11 @@ val named_body : variable -> env -> constr option (** {6 Recurrence on [named_context]: older declarations processed first } *) val fold_named_context : - (env -> Context.Named.Declaration.t -> 'a -> 'a) -> env -> init:'a -> 'a + (env -> Constr.named_declaration -> 'a -> 'a) -> env -> init:'a -> 'a (** Recurrence on [named_context] starting from younger decl *) val fold_named_context_reverse : - ('a -> Context.Named.Declaration.t -> 'a) -> init:'a -> env -> 'a + ('a -> Constr.named_declaration -> 'a) -> init:'a -> env -> 'a (** This forgets named and rel contexts *) val reset_context : env -> env @@ -125,12 +169,16 @@ val reset_with_named_context : named_context_val -> env -> env (** This removes the [n] last declarations from the rel context *) val pop_rel_context : int -> env -> env +(** Useful for printing *) +val fold_constants : (Constant.t -> constant_body -> 'a -> 'a) -> env -> 'a -> 'a + (** {5 Global constants } {6 Add entries to global environment } *) val add_constant : Constant.t -> constant_body -> env -> env -val add_constant_key : Constant.t -> constant_body -> Pre_env.link_info -> +val add_constant_key : Constant.t -> constant_body -> link_info -> env -> env +val lookup_constant_key : Constant.t -> env -> constant_key (** Looks up in the context of global constant names raises [Not_found] if the required path is not found *) @@ -159,6 +207,12 @@ val constant_value_and_type : env -> Constant.t puniverses -> polymorphic *) val constant_context : env -> Constant.t -> Univ.AUContext.t +(** Returns the body of the constant if it has any, and the polymorphic context + it lives in. For monomorphic constant, the latter is empty, and for + polymorphic constants, the term contains De Bruijn universe variables that + need to be instantiated. *) +val body_of_constant_body : env -> constant_body -> (Constr.constr * Univ.AUContext.t) option + (* These functions should be called under the invariant that [env] already contains the constraints corresponding to the constant application. *) @@ -168,11 +222,15 @@ val constant_opt_value_in : env -> Constant.t puniverses -> constr option (** {6 Primitive projections} *) -val lookup_projection : Names.projection -> env -> projection_body -val is_projection : Constant.t -> env -> bool +(** Checks that the number of parameters is correct. *) +val lookup_projection : Names.Projection.t -> env -> types + +val get_projection : env -> inductive -> proj_arg:int -> Names.Projection.Repr.t option +val get_projections : env -> inductive -> Names.Projection.Repr.t array option (** {5 Inductive types } *) -val add_mind_key : MutInd.t -> Pre_env.mind_key -> env -> env +val lookup_mind_key : MutInd.t -> env -> mind_key +val add_mind_key : MutInd.t -> mind_key -> env -> env val add_mind : MutInd.t -> mutual_inductive_body -> env -> env (** Looks up in the context of global inductive names @@ -211,9 +269,17 @@ val push_context : ?strict:bool -> Univ.UContext.t -> env -> env val push_context_set : ?strict:bool -> Univ.ContextSet.t -> env -> env val push_constraints_to_env : 'a Univ.constrained -> env -> env +val push_subgraph : Univ.ContextSet.t -> env -> env +(** [push_subgraph univs env] adds the universes and constraints in + [univs] to [env] as [push_context_set ~strict:false univs env], and + also checks that they do not imply new transitive constraints + between pre-existing universes in [env]. *) + val set_engagement : engagement -> env -> env val set_typing_flags : typing_flags -> env -> env +val universes_of_global : env -> GlobRef.t -> AUContext.t + (** {6 Sets of referred section variables } [global_vars_set env c] returns the list of [id]'s occurring either directly as [Var id] in [c] or indirectly as a section variable @@ -221,14 +287,13 @@ val set_typing_flags : typing_flags -> env -> env val global_vars_set : env -> constr -> Id.Set.t -(** the constr must be a global reference *) -val vars_of_global : env -> constr -> Id.Set.t +val vars_of_global : env -> GlobRef.t -> Id.Set.t (** closure of the input id set w.r.t. dependency *) val really_needed : env -> Id.Set.t -> Id.Set.t (** like [really_needed] but computes a well ordered named context *) -val keep_hyps : env -> Id.Set.t -> Context.Named.t +val keep_hyps : env -> Id.Set.t -> Constr.named_context (** {5 Unsafe judgments. } We introduce here the pre-type of judgments, which is @@ -251,31 +316,28 @@ type 'types punsafe_type_judgment = { type unsafe_type_judgment = types punsafe_type_judgment -(** {6 Compilation of global declaration } *) - -val compile_constant_body : env -> constant_universes -> constant_def -> Cemitcodes.body_code option - exception Hyp_not_found (** [apply_to_hyp sign id f] split [sign] into [tail::(id,_,_)::head] and return [tail::(f head (id,_,_) (rev tail))::head]. the value associated to id should not change *) val apply_to_hyp : named_context_val -> variable -> - (Context.Named.t -> Context.Named.Declaration.t -> Context.Named.t -> Context.Named.Declaration.t) -> + (Constr.named_context -> Constr.named_declaration -> Constr.named_context -> Constr.named_declaration) -> named_context_val -val remove_hyps : Id.Set.t -> (Context.Named.Declaration.t -> Context.Named.Declaration.t) -> (Pre_env.lazy_val -> Pre_env.lazy_val) -> named_context_val -> named_context_val - +val remove_hyps : Id.Set.t -> (Constr.named_declaration -> Constr.named_declaration) -> (lazy_val -> lazy_val) -> named_context_val -> named_context_val +val is_polymorphic : env -> Names.GlobRef.t -> bool +val is_template_polymorphic : env -> GlobRef.t -> bool +val is_type_in_type : env -> GlobRef.t -> bool open Retroknowledge (** functions manipulating the retroknowledge @author spiwack *) -val retroknowledge : (retroknowledge->'a) -> env -> 'a val registered : env -> field -> bool -val register : env -> field -> Retroknowledge.entry -> env +val register : env -> field -> GlobRef.t -> env (** Native compiler *) -val no_link_info : Pre_env.link_info +val no_link_info : link_info diff --git a/kernel/esubst.ml b/kernel/esubst.ml index a11a0dc00c..9fc3b11d78 100644 --- a/kernel/esubst.ml +++ b/kernel/esubst.ml @@ -19,6 +19,8 @@ open Util (*********************) (* Explicit lifts and basic operations *) +(* Invariant to preserve in this module: no lift contains two consecutive + [ELSHFT] nor two consecutive [ELLFT]. *) type lift = | ELID | ELSHFT of lift * int (* ELSHFT(l,n) == lift of n, then apply lift l *) @@ -28,15 +30,15 @@ type lift = let el_id = ELID (* compose a relocation of magnitude n *) -let rec el_shft_rec n = function - | ELSHFT(el,k) -> el_shft_rec (k+n) el +let el_shft_rec n = function + | ELSHFT(el,k) -> ELSHFT(el,k+n) | el -> ELSHFT(el,n) let el_shft n el = if Int.equal n 0 then el else el_shft_rec n el (* cross n binders *) -let rec el_liftn_rec n = function +let el_liftn_rec n = function | ELID -> ELID - | ELLFT(k,el) -> el_liftn_rec (n+k) el + | ELLFT(k,el) -> ELLFT(n+k, el) | el -> ELLFT(n, el) let el_liftn n el = if Int.equal n 0 then el else el_liftn_rec n el @@ -132,13 +134,36 @@ let rec exp_rel lams k subs = let expand_rel k subs = exp_rel 0 k subs +let rec subs_map f = function +| ESID _ as s -> s +| CONS (x, s) -> CONS (Array.map f x, subs_map f s) +| SHIFT (n, s) -> SHIFT (n, subs_map f s) +| LIFT (n, s) -> LIFT (n, subs_map f s) + +let rec lift_subst mk_cl s1 s2 = match s1 with +| ELID -> subs_map (fun c -> mk_cl ELID c) s2 +| ELSHFT(s, k) -> subs_shft(k, lift_subst mk_cl s s2) +| ELLFT (k, s) -> + match s2 with + | CONS(x,s') -> + CONS(CArray.Fun1.map mk_cl s1 x, lift_subst mk_cl s1 s') + | ESID n -> lift_subst mk_cl s (ESID (n + k)) + | SHIFT(k',s') -> + if k<k' + then subs_shft(k, lift_subst mk_cl s (subs_shft(k'-k, s'))) + else subs_shft(k', lift_subst mk_cl (el_liftn (k-k') s) s') + | LIFT(k',s') -> + if k<k' + then subs_liftn k (lift_subst mk_cl s (subs_liftn (k'-k) s')) + else subs_liftn k' (lift_subst mk_cl (el_liftn (k-k') s) s') + let rec comp mk_cl s1 s2 = match (s1, s2) with | _, ESID _ -> s1 | ESID _, _ -> s2 | SHIFT(k,s), _ -> subs_shft(k, comp mk_cl s s2) | _, CONS(x,s') -> - CONS(CArray.Fun1.map (fun s t -> mk_cl(s,t)) s1 x, comp mk_cl s1 s') + CONS(Array.Fun1.map (fun s t -> mk_cl(s,t)) s1 x, comp mk_cl s1 s') | CONS(x,s), SHIFT(k,s') -> let lg = Array.length x in if k == lg then comp mk_cl s s' diff --git a/kernel/esubst.mli b/kernel/esubst.mli index b82d6fdf02..475b64f472 100644 --- a/kernel/esubst.mli +++ b/kernel/esubst.mli @@ -56,7 +56,11 @@ val comp : ('a subs * 'a -> 'a) -> 'a subs -> 'a subs -> 'a subs (** {6 Compact representation } *) (** Compact representation of explicit relocations - [ELSHFT(l,n)] == lift of [n], then apply [lift l]. - - [ELLFT(n,l)] == apply [l] to de Bruijn > [n] i.e under n binders. *) + - [ELLFT(n,l)] == apply [l] to de Bruijn > [n] i.e under n binders. + + Invariant ensured by the private flag: no lift contains two consecutive + [ELSHFT] nor two consecutive [ELLFT]. +*) type lift = private | ELID | ELSHFT of lift * int @@ -68,3 +72,10 @@ val el_liftn : int -> lift -> lift val el_lift : lift -> lift val reloc_rel : int -> lift -> int val is_lift_id : lift -> bool + +(** Lift applied to substitution: [lift_subst mk_clos el s] computes a + substitution equivalent to applying el then s. Argument + mk_clos is used when a closure has to be created, i.e. when + el is applied on an element of s. +*) +val lift_subst : (lift -> 'a -> 'b) -> lift -> 'a subs -> 'b subs diff --git a/kernel/indtypes.ml b/kernel/indtypes.ml index 439acd15bf..a4a02791b4 100644 --- a/kernel/indtypes.ml +++ b/kernel/indtypes.ml @@ -35,14 +35,6 @@ env_ar_par = env_ar + declaration of parameters nmr = ongoing computation of recursive parameters *) -(* Tell if indices (aka real arguments) contribute to size of inductive type *) -(* If yes, this is compatible with the univalent model *) - -let indices_matter = ref false - -let enforce_indices_matter () = indices_matter := true -let is_indices_matter () = !indices_matter - (* [weaker_noccur_between env n nvars t] (defined above), checks that no de Bruijn indices between [n] and [n+nvars] occur in [t]. If some such occurrences are found, then reduction is performed @@ -120,16 +112,6 @@ let mind_check_names mie = (* Typing the arities and constructor types *) -(* An inductive definition is a "unit" if it has only one constructor - and that all arguments expected by this constructor are - logical, this is the case for equality, conjunction of logical properties -*) -let is_unit constrsinfos = - match constrsinfos with (* One info = One constructor *) - | [level] -> is_type0m_univ level - | [] -> (* type without constructors *) true - | _ -> false - let infos_and_sort env t = let rec aux env t max = let t = whd_all env t in @@ -174,10 +156,9 @@ let infer_constructor_packet env_ar_par params lc = let lc'' = Array.map (fun j -> Term.it_mkProd_or_LetIn j.utj_val params) jlc in (* compute the max of the sorts of the products of the constructors types *) let levels = List.map (infos_and_sort env_ar_par) lc in - let isunit = is_unit levels in let min = if Array.length jlc > 1 then Universe.type0 else Universe.type0m in let level = List.fold_left (fun max l -> Universe.sup max l) min levels in - (lc'', (isunit, level)) + (lc'', level) (* If indices matter *) let cumulate_arity_large_levels env sign = @@ -245,8 +226,7 @@ let check_subtyping cumi paramsctxt env_ar inds = let instance_other = Instance.of_array new_levels in let constraints_other = Univ.subst_univs_level_constraints lmap (Univ.UContext.constraints uctx) in let uctx_other = Univ.UContext.make (instance_other, constraints_other) in - let env = Environ.push_context uctx env_ar in - let env = Environ.push_context uctx_other env in + let env = Environ.push_context uctx_other env_ar in let subtyp_constraints = CumulativityInfo.leq_constraints cumi (UContext.instance uctx) instance_other @@ -254,7 +234,7 @@ let check_subtyping cumi paramsctxt env_ar inds = in let env = Environ.add_constraints subtyp_constraints env in (* process individual inductive types: *) - Array.iter (fun (id,cn,lc,(sign,arity)) -> + Array.iter (fun (_id,_cn,lc,(_sign,arity)) -> match arity with | RegularArity (_, full_arity, _) -> check_subtyping_arity_constructor env dosubst full_arity numparams true; @@ -280,10 +260,11 @@ let typecheck_inductive env mie = let env' = match mie.mind_entry_universes with | Monomorphic_ind_entry ctx -> push_context_set ctx env - | Polymorphic_ind_entry ctx -> push_context ctx env - | Cumulative_ind_entry cumi -> push_context (Univ.CumulativityInfo.univ_context cumi) env + | Polymorphic_ind_entry (_, ctx) -> push_context ctx env + | Cumulative_ind_entry (_, cumi) -> push_context (Univ.CumulativityInfo.univ_context cumi) env in - let (env_params,paramsctxt) = infer_local_decls env' mie.mind_entry_params in + let env_params = check_context env' mie.mind_entry_params in + let paramsctxt = mie.mind_entry_params in (* We first type arity of each inductive definition *) (* This allows building the environment of arities and to share *) (* the set of constraints *) @@ -291,7 +272,7 @@ let typecheck_inductive env mie = List.fold_left (fun (env_ar,l) ind -> (* Arities (without params) are typed-checked here *) - let expltype = ind.mind_entry_template in + let template = ind.mind_entry_template in let arity = if isArity ind.mind_entry_arity then let (ctx,s) = dest_arity env_params ind.mind_entry_arity in @@ -314,7 +295,7 @@ let typecheck_inductive env mie = let inflev = (* The level of the inductive includes levels of indices if in indices_matter mode *) - if !indices_matter + if indices_matter env then Some (cumulate_arity_large_levels env_params sign) else None in @@ -327,7 +308,7 @@ let typecheck_inductive env mie = let env_ar' = push_rel (LocalAssum (Name id, full_arity)) env_ar in (* (add_constraints cst2 env_ar) in *) - (env_ar', (id,full_arity,sign @ paramsctxt,expltype,deflev,inflev)::l)) + (env_ar', (id,full_arity,sign @ paramsctxt,template,deflev,inflev)::l)) (env',[]) mie.mind_entry_inds in @@ -354,7 +335,7 @@ let typecheck_inductive env mie = (* Compute/check the sorts of the inductive types *) let inds = - Array.map (fun ((id,full_arity,sign,expltype,def_level,inf_level),cn,lc,(is_unit,clev)) -> + Array.map (fun ((id,full_arity,sign,template,def_level,inf_level),cn,lc,clev) -> let infu = (** Inferred level, with parameters and constructors. *) match inf_level with @@ -380,31 +361,34 @@ let typecheck_inductive env mie = RegularArity (not is_natural,full_arity,defu) in let template_polymorphic () = - let sign, s = + let _sign, s = try dest_arity env full_arity with NotArity -> raise (InductiveError (NotAnArity (env, full_arity))) - in - match s with - | Type u when expltype (* Explicitly polymorphic *) -> - (* The polymorphic level is a function of the level of the *) - (* conclusions of the parameters *) - (* We enforce [u >= lev] in case [lev] has a strict upper *) - (* constraints over [u] *) - let b = type_in_type env || UGraph.check_leq (universes env') infu u in - if not b then - anomaly ~label:"check_inductive" - (Pp.str"Incorrect universe " ++ - Universe.pr u ++ Pp.str " declared for inductive type, inferred level is " - ++ Universe.pr clev ++ Pp.str ".") - else - TemplateArity (param_ccls paramsctxt, infu) - | _ (* Not an explicit occurrence of Type *) -> - full_polymorphic () + in + let u = Sorts.univ_of_sort s in + (* The polymorphic level is a function of the level of the *) + (* conclusions of the parameters *) + (* We enforce [u >= lev] in case [lev] has a strict upper *) + (* constraints over [u] *) + let b = type_in_type env || UGraph.check_leq (universes env') infu u in + if not b then + anomaly ~label:"check_inductive" + (Pp.str"Incorrect universe " ++ + Universe.pr u ++ Pp.str " declared for inductive type, inferred level is " + ++ Universe.pr clev ++ Pp.str ".") + else + TemplateArity (param_ccls paramsctxt, infu) in let arity = match mie.mind_entry_universes with - | Monomorphic_ind_entry _ -> template_polymorphic () - | Polymorphic_ind_entry _ | Cumulative_ind_entry _ -> full_polymorphic () + | Monomorphic_ind_entry _ -> + if template then template_polymorphic () + else full_polymorphic () + | Polymorphic_ind_entry _ | Cumulative_ind_entry _ -> + if template + then anomaly ~label:"polymorphic_template_ind" + Pp.(strbrk "Template polymorphism and full polymorphism are incompatible.") + else full_polymorphic () in (id,cn,lc,(sign,arity))) inds @@ -415,7 +399,7 @@ let typecheck_inductive env mie = match mie.mind_entry_universes with | Monomorphic_ind_entry _ -> () | Polymorphic_ind_entry _ -> () - | Cumulative_ind_entry cumi -> check_subtyping cumi paramsctxt env_arities inds + | Cumulative_ind_entry (_, cumi) -> check_subtyping cumi paramsctxt env_arities inds in (env_arities, env_ar_par, paramsctxt, inds) (************************************************************************) @@ -425,7 +409,7 @@ let typecheck_inductive env mie = type ill_formed_ind = | LocalNonPos of int | LocalNotEnoughArgs of int - | LocalNotConstructor of Context.Rel.t * int + | LocalNotConstructor of Constr.rel_context * int | LocalNonPar of int * int * int exception IllFormedInd of ill_formed_ind @@ -437,7 +421,7 @@ exception IllFormedInd of ill_formed_ind let mind_extract_params = decompose_prod_n_assum let explain_ind_err id ntyp env nparamsctxt c err = - let (lparams,c') = mind_extract_params nparamsctxt c in + let (_lparams,c') = mind_extract_params nparamsctxt c in match err with | LocalNonPos kt -> raise (InductiveError (NonPos (env,c',mkRel (kt+nparamsctxt)))) @@ -605,7 +589,7 @@ let check_positivity_one ~chkpos recursive (env,_,ntypes,_ as ienv) paramsctxt ( discharged to the [check_positive_nested] function. *) if List.for_all (noccur_between n ntypes) largs then (nmr,mk_norec) else check_positive_nested ienv nmr (ind_kn, largs) - | err -> + | _err -> (** If an inductive of the mutually inductive block appears in any other way, then the positivy check gives up. *) @@ -622,7 +606,7 @@ let check_positivity_one ~chkpos recursive (env,_,ntypes,_ as ienv) paramsctxt ( defined types, not one of the types of the mutually inductive block being defined). *) (* accesses to the environment are not factorised, but is it worth? *) - and check_positive_nested (env,n,ntypes,ra_env as ienv) nmr ((mi,u), largs) = + and check_positive_nested (env,n,ntypes,_ra_env as ienv) nmr ((mi,u), largs) = let (mib,mip) = lookup_mind_specif env mi in let auxnrecpar = mib.mind_nparams_rec in let auxnnonrecpar = mib.mind_nparams - auxnrecpar in @@ -673,7 +657,7 @@ let check_positivity_one ~chkpos recursive (env,_,ntypes,_ as ienv) paramsctxt ( the type [c]) is checked to be the right (properly applied) inductive type. *) and check_constructors ienv check_head nmr c = - let rec check_constr_rec (env,n,ntypes,ra_env as ienv) nmr lrec c = + let rec check_constr_rec (env,n,ntypes,_ra_env as ienv) nmr lrec c = let x,largs = decompose_app (whd_all env c) in match kind x with @@ -797,69 +781,47 @@ exception UndefinableExpansion build an expansion function. The term built is expecting to be substituted first by a substitution of the form [params, x : ind params] *) -let compute_projections ((kn, _ as ind), u as indu) n x nparamargs params - mind_consnrealdecls mind_consnrealargs paramslet ctx = - let mp, dp, l = MutInd.repr3 kn in +let compute_projections (kn, i as ind) mib = + let pkt = mib.mind_packets.(i) in + let u = match mib.mind_universes with + | Monomorphic_ind _ -> Univ.Instance.empty + | Polymorphic_ind auctx -> Univ.make_abstract_instance auctx + | Cumulative_ind acumi -> Univ.make_abstract_instance (Univ.ACumulativityInfo.univ_context acumi) + in + let subst = List.init mib.mind_ntypes (fun i -> mkIndU ((kn, mib.mind_ntypes - i - 1), u)) in + let rctx, _ = decompose_prod_assum (substl subst pkt.mind_nf_lc.(0)) in + let ctx, paramslet = List.chop pkt.mind_consnrealdecls.(0) rctx in (** We build a substitution smashing the lets in the record parameters so that typechecking projections requires just a substitution and not matching with a parameter context. *) - let indty, paramsletsubst = - (* [ty] = [Ind inst] is typed in context [params] *) - let inst = Context.Rel.to_extended_vect mkRel 0 paramslet in - let ty = mkApp (mkIndU indu, inst) in + let paramsletsubst = (* [Ind inst] is typed in context [params-wo-let] *) - let inst' = rel_list 0 nparamargs in + let inst' = rel_list 0 mib.mind_nparams in (* {params-wo-let |- subst:params] *) let subst = subst_of_rel_context_instance paramslet inst' in (* {params-wo-let, x:Ind inst' |- subst':(params,x:Ind inst)] *) let subst = (* For the record parameter: *) mkRel 1 :: List.map (lift 1) subst in - ty, subst - in - let ci = - let print_info = - { ind_tags = []; cstr_tags = [|Context.Rel.to_tags ctx|]; style = LetStyle } in - { ci_ind = ind; - ci_npar = nparamargs; - ci_cstr_ndecls = mind_consnrealdecls; - ci_cstr_nargs = mind_consnrealargs; - ci_pp_info = print_info } + subst in - let len = List.length ctx in - let x = Name x in - let compat_body ccl i = - (* [ccl] is defined in context [params;x:indty] *) - (* [ccl'] is defined in context [params;x:indty;x:indty] *) - let ccl' = liftn 1 2 ccl in - let p = mkLambda (x, lift 1 indty, ccl') in - let branch = it_mkLambda_or_LetIn (mkRel (len - i)) ctx in - let body = mkCase (ci, p, mkRel 1, [|lift 1 branch|]) in - it_mkLambda_or_LetIn (mkLambda (x,indty,body)) params - in - let projections decl (i, j, kns, pbs, subst, letsubst) = + let projections decl (i, j, labs, pbs, letsubst) = match decl with - | LocalDef (na,c,t) -> + | LocalDef (_na,c,_t) -> (* From [params, field1,..,fieldj |- c(params,field1,..,fieldj)] to [params, x:I, field1,..,fieldj |- c(params,field1,..,fieldj)] *) let c = liftn 1 j c in (* From [params, x:I, field1,..,fieldj |- c(params,field1,..,fieldj)] - to [params, x:I |- c(params,proj1 x,..,projj x)] *) - let c1 = substl subst c in - (* From [params, x:I |- subst:field1,..,fieldj] - to [params, x:I |- subst:field1,..,fieldj+1] where [subst] - is represented with instance of field1 last *) - let subst = c1 :: subst in - (* From [params, x:I, field1,..,fieldj |- c(params,field1,..,fieldj)] to [params-wo-let, x:I |- c(params,proj1 x,..,projj x)] *) let c2 = substl letsubst c in (* From [params-wo-let, x:I |- subst:(params, x:I, field1,..,fieldj)] to [params-wo-let, x:I |- subst:(params, x:I, field1,..,fieldj+1)] *) let letsubst = c2 :: letsubst in - (i, j+1, kns, pbs, subst, letsubst) + (i, j+1, labs, pbs, letsubst) | LocalAssum (na,t) -> match na with | Name id -> - let kn = Constant.make1 (KerName.make mp dp (Label.of_id id)) in + let lab = Label.of_id id in + let kn = Projection.Repr.make ind ~proj_npars:mib.mind_nparams ~proj_arg:i lab in (* from [params, field1,..,fieldj |- t(params,field1,..,fieldj)] to [params, x:I, field1,..,fieldj |- t(params,field1,..,fieldj] *) let t = liftn 1 j t in @@ -868,34 +830,25 @@ let compute_projections ((kn, _ as ind), u as indu) n x nparamargs params let projty = substl letsubst t in (* from [params, x:I, field1,..,fieldj |- t(field1,..,fieldj)] to [params, x:I |- t(proj1 x,..,projj x)] *) - let ty = substl subst t in - let term = mkProj (Projection.make kn true, mkRel 1) in let fterm = mkProj (Projection.make kn false, mkRel 1) in - let compat = compat_body ty (j - 1) in - let etab = it_mkLambda_or_LetIn (mkLambda (x, indty, term)) params in - let etat = it_mkProd_or_LetIn (mkProd (x, indty, ty)) params in - let body = { proj_ind = fst ind; proj_npars = nparamargs; - proj_arg = i; proj_type = projty; proj_eta = etab, etat; - proj_body = compat } in - (i + 1, j + 1, kn :: kns, body :: pbs, - fterm :: subst, fterm :: letsubst) + (i + 1, j + 1, lab :: labs, projty :: pbs, fterm :: letsubst) | Anonymous -> raise UndefinableExpansion in - let (_, _, kns, pbs, subst, letsubst) = - List.fold_right projections ctx (0, 1, [], [], [], paramsletsubst) + let (_, _, labs, pbs, _letsubst) = + List.fold_right projections ctx (0, 1, [], [], paramsletsubst) in - Array.of_list (List.rev kns), + Array.of_list (List.rev labs), Array.of_list (List.rev pbs) let abstract_inductive_universes iu = match iu with | Monomorphic_ind_entry ctx -> (Univ.empty_level_subst, Monomorphic_ind ctx) - | Polymorphic_ind_entry ctx -> - let (inst, auctx) = Univ.abstract_universes ctx in + | Polymorphic_ind_entry (nas, ctx) -> + let (inst, auctx) = Univ.abstract_universes nas ctx in let inst = Univ.make_instance_subst inst in (inst, Polymorphic_ind auctx) - | Cumulative_ind_entry cumi -> - let (inst, acumi) = Univ.abstract_cumulativity_info cumi in + | Cumulative_ind_entry (nas, cumi) -> + let (inst, acumi) = Univ.abstract_cumulativity_info nas cumi in let inst = Univ.make_instance_subst inst in (inst, Cumulative_ind acumi) @@ -969,33 +922,9 @@ let build_inductive env prv iu env_ar paramsctxt kn isrecord isfinite inds nmr r mind_reloc_tbl = rtbl; } in let packets = Array.map2 build_one_packet inds recargs in - let pkt = packets.(0) in - let isrecord = - match isrecord with - | Some (Some rid) when pkt.mind_kelim == all_sorts - && Array.length pkt.mind_consnames == 1 - && pkt.mind_consnrealargs.(0) > 0 -> - (** The elimination criterion ensures that all projections can be defined. *) - let u = - match aiu with - | Monomorphic_ind _ -> Univ.Instance.empty - | Polymorphic_ind auctx -> Univ.make_abstract_instance auctx - | Cumulative_ind acumi -> Univ.make_abstract_instance (Univ.ACumulativityInfo.univ_context acumi) - in - let indsp = ((kn, 0), u) in - let rctx, indty = decompose_prod_assum (subst1 (mkIndU indsp) pkt.mind_nf_lc.(0)) in - (try - let fields, paramslet = List.chop pkt.mind_consnrealdecls.(0) rctx in - let kns, projs = - compute_projections indsp pkt.mind_typename rid nparamargs paramsctxt - pkt.mind_consnrealdecls pkt.mind_consnrealargs paramslet fields - in Some (Some (rid, kns, projs)) - with UndefinableExpansion -> Some None) - | Some _ -> Some None - | None -> None - in - (* Build the mutual inductive *) - { mind_record = isrecord; + let mib = + (* Build the mutual inductive *) + { mind_record = NotRecord; mind_ntypes = ntypes; mind_finite = isfinite; mind_hyps = hyps; @@ -1007,6 +936,27 @@ let build_inductive env prv iu env_ar paramsctxt kn isrecord isfinite inds nmr r mind_private = prv; mind_typing_flags = Environ.typing_flags env; } + in + let record_info = match isrecord with + | Some (Some rid) -> + let is_record pkt = + pkt.mind_kelim == all_sorts + && Array.length pkt.mind_consnames == 1 + && pkt.mind_consnrealargs.(0) > 0 + in + (** The elimination criterion ensures that all projections can be defined. *) + if Array.for_all is_record packets then + let map i id = + let labs, projs = compute_projections (kn, i) mib in + (id, labs, projs) + in + try PrimRecord (Array.mapi map rid) + with UndefinableExpansion -> FakeRecord + else FakeRecord + | Some None -> FakeRecord + | None -> NotRecord + in + { mib with mind_record = record_info } (************************************************************************) (************************************************************************) diff --git a/kernel/indtypes.mli b/kernel/indtypes.mli index 5a38172c2d..840e23ed69 100644 --- a/kernel/indtypes.mli +++ b/kernel/indtypes.mli @@ -34,16 +34,19 @@ type inductive_error = exception InductiveError of inductive_error -(** The following function does checks on inductive declarations. *) +val infos_and_sort : env -> constr -> Univ.Universe.t -val check_inductive : env -> MutInd.t -> mutual_inductive_entry -> mutual_inductive_body +val check_subtyping_arity_constructor : env -> (constr -> constr) -> types -> int -> bool -> unit -(** The following enforces a system compatible with the univalent model *) +val check_positivity : chkpos:bool -> + Names.MutInd.t -> + Environ.env -> + (Constr.constr, Constr.types) Context.Rel.pt -> + Declarations.recursivity_kind -> + ('a * Names.Id.t list * Constr.types array * + (('b, 'c) Context.Rel.pt * 'd)) + array -> Int.t * Declarations.recarg Rtree.t array -val enforce_indices_matter : unit -> unit -val is_indices_matter : unit -> bool +(** The following function does checks on inductive declarations. *) -val compute_projections : pinductive -> Id.t -> Id.t -> - int -> Context.Rel.t -> int array -> int array -> - Context.Rel.t -> Context.Rel.t -> - (Constant.t array * projection_body array) +val check_inductive : env -> MutInd.t -> mutual_inductive_entry -> mutual_inductive_body diff --git a/kernel/inductive.ml b/kernel/inductive.ml index 9bed598bb7..9bbcf07f7e 100644 --- a/kernel/inductive.ml +++ b/kernel/inductive.ml @@ -130,11 +130,6 @@ where Remark: Set (predicative) is encoded as Type(0) *) -let sort_as_univ = let open Sorts in function -| Type u -> u -| Prop Null -> Universe.type0m -| Prop Pos -> Universe.type0 - (* Template polymorphism *) (* cons_subst add the mapping [u |-> su] in subst if [u] is not *) @@ -159,18 +154,18 @@ let make_subst env = let rec make subst = function | LocalDef _ :: sign, exp, args -> make subst (sign, exp, args) - | d::sign, None::exp, args -> + | _d::sign, None::exp, args -> let args = match args with _::args -> args | [] -> [] in make subst (sign, exp, args) - | d::sign, Some u::exp, a::args -> + | _d::sign, Some u::exp, a::args -> (* We recover the level of the argument, but we don't change the *) (* level in the corresponding type in the arity; this level in the *) (* arity is a global level which, at typing time, will be enforce *) (* to be greater than the level of the argument; this is probably *) (* a useless extra constraint *) - let s = sort_as_univ (snd (dest_arity env (Lazy.force a))) in + let s = Sorts.univ_of_sort (snd (dest_arity env (Lazy.force a))) in make (cons_subst u s subst) (sign, exp, args) - | LocalAssum (na,t) :: sign, Some u::exp, [] -> + | LocalAssum (_na,_t) :: sign, Some u::exp, [] -> (* No more argument here: we add the remaining universes to the *) (* substitution (when [u] is distinct from all other universes in the *) (* template, it is identity substitution otherwise (ie. when u is *) @@ -178,7 +173,7 @@ let make_subst env = (* update its image [x] by [sup x u] in order not to forget the *) (* dependency in [u] that remains to be fullfilled. *) make (remember_subst u subst) (sign, exp, []) - | sign, [], _ -> + | _sign, [], _ -> (* Uniform parameters are exhausted *) subst | [], _, _ -> @@ -204,7 +199,7 @@ let instantiate_universes env ctx ar argsorts = (* Type of an inductive type *) -let type_of_inductive_gen ?(polyprop=true) env ((mib,mip),u) paramtyps = +let type_of_inductive_gen ?(polyprop=true) env ((_mib,mip),u) paramtyps = match mip.mind_arity with | RegularArity a -> subst_instance_constr u a.mind_user_arity | TemplateArity ar -> @@ -220,12 +215,12 @@ let type_of_inductive_gen ?(polyprop=true) env ((mib,mip),u) paramtyps = let type_of_inductive env pind = type_of_inductive_gen env pind [||] -let constrained_type_of_inductive env ((mib,mip),u as pind) = +let constrained_type_of_inductive env ((mib,_mip),u as pind) = let ty = type_of_inductive env pind in let cst = instantiate_inductive_constraints mib u in (ty, cst) -let constrained_type_of_inductive_knowing_parameters env ((mib,mip),u as pind) args = +let constrained_type_of_inductive_knowing_parameters env ((mib,_mip),u as pind) args = let ty = type_of_inductive_gen env pind args in let cst = instantiate_inductive_constraints mib u in (ty, cst) @@ -236,8 +231,8 @@ let type_of_inductive_knowing_parameters env ?(polyprop=true) mip args = (* The max of an array of universes *) let cumulate_constructor_univ u = let open Sorts in function - | Prop Null -> u - | Prop Pos -> Universe.sup Universe.type0 u + | Prop -> u + | Set -> Universe.sup Universe.type0 u | Type u' -> Universe.sup u u' let max_inductive_sort = @@ -254,7 +249,7 @@ let type_of_constructor (cstr, u) (mib,mip) = if i > nconstr then user_err Pp.(str "Not enough constructors in the type."); constructor_instantiate (fst ind) u mib specif.(i-1) -let constrained_type_of_constructor (cstr,u as cstru) (mib,mip as ind) = +let constrained_type_of_constructor (_cstr,u as cstru) (mib,_mip as ind) = let ty = type_of_constructor cstru ind in let cst = instantiate_inductive_constraints mib u in (ty, cst) @@ -284,7 +279,7 @@ let inductive_sort_family mip = let mind_arity mip = mip.mind_arity_ctxt, inductive_sort_family mip -let get_instantiated_arity (ind,u) (mib,mip) params = +let get_instantiated_arity (_ind,u) (mib,mip) params = let sign, s = mind_arity mip in full_inductive_instantiate mib u params sign, s @@ -293,8 +288,8 @@ let elim_sorts (_,mip) = mip.mind_kelim let is_private (mib,_) = mib.mind_private = Some true let is_primitive_record (mib,_) = match mib.mind_record with - | Some (Some _) -> true - | _ -> false + | PrimRecord _ -> true + | NotRecord | FakeRecord -> false let build_dependent_inductive ind (_,mip) params = let realargs,_ = List.chop mip.mind_nrealdecls mip.mind_arity_ctxt in @@ -568,7 +563,7 @@ let check_inductive_codomain env p = let env = push_rel_context absctx env in let arctx, s = dest_prod_assum env ar in let env = push_rel_context arctx env in - let i,l' = decompose_app (whd_all env s) in + let i,_l' = decompose_app (whd_all env s) in isInd i (* The following functions are almost duplicated from indtypes.ml, except @@ -640,10 +635,10 @@ let get_recargs_approx env tree ind args = build_recargs_nested ienv tree (ind_kn, largs) | _ -> mk_norec end - | err -> + | _err -> mk_norec - and build_recargs_nested (env,ra_env as ienv) tree (((mind,i),u), largs) = + and build_recargs_nested (env,_ra_env as ienv) tree (((mind,i),u), largs) = (* If the inferred tree already disallows recursion, no need to go further *) if eq_wf_paths tree mk_norec then tree else @@ -681,7 +676,7 @@ let get_recargs_approx env tree ind args = (Rtree.mk_rec irecargs).(i) and build_recargs_constructors ienv trees c = - let rec recargs_constr_rec (env,ra_env as ienv) trees lrec c = + let rec recargs_constr_rec (env,_ra_env as ienv) trees lrec c = let x,largs = decompose_app (whd_all env c) in match kind x with @@ -690,7 +685,7 @@ let get_recargs_approx env tree ind args = let recarg = build_recargs ienv (List.hd trees) b in let ienv' = ienv_push_var ienv (na,b,mk_norec) in recargs_constr_rec ienv' (List.tl trees) (recarg::lrec) d - | hd -> + | _hd -> List.rev lrec in recargs_constr_rec ienv trees [] c @@ -790,7 +785,7 @@ let rec subterm_specif renv stack t = | Lambda (x,a,b) -> let () = assert (List.is_empty l) in - let spec,stack' = extract_stack renv a stack in + let spec,stack' = extract_stack stack in subterm_specif (push_var renv (x,a,spec)) stack' b (* Metas and evars are considered OK *) @@ -799,14 +794,11 @@ let rec subterm_specif renv stack t = | Proj (p, c) -> let subt = subterm_specif renv stack c in (match subt with - | Subterm (s, wf) -> + | Subterm (_s, wf) -> (* We take the subterm specs of the constructor of the record *) let wf_args = (dest_subterms wf).(0) in (* We extract the tree of the projected argument *) - let kn = Projection.constant p in - let cb = lookup_constant kn renv.env in - let pb = Option.get cb.const_proj in - let n = pb.proj_arg in + let n = Projection.arg p in spec_of_tree (List.nth wf_args n) | Dead_code -> Dead_code | Not_subterm -> Not_subterm) @@ -824,7 +816,7 @@ and stack_element_specif = function |SClosure (h_renv,h) -> lazy_subterm_specif h_renv [] h |SArg x -> x -and extract_stack renv a = function +and extract_stack = function | [] -> Lazy.from_val Not_subterm , [] | h::t -> stack_element_specif h, t @@ -855,7 +847,7 @@ let error_illegal_rec_call renv fx (arg_renv,arg) = let error_partial_apply renv fx = raise (FixGuardError (renv.env,NotEnoughArgumentsForFixCall fx)) -let filter_stack_domain env ci p stack = +let filter_stack_domain env p stack = let absctx, ar = dest_lam_assum env p in (* Optimization: if the predicate is not dependent, no restriction is needed and we avoid building the recargs tree. *) @@ -940,7 +932,7 @@ let check_one_fix renv recpos trees def = let case_spec = branches_specif renv (lazy_subterm_specif renv [] c_0) ci in let stack' = push_stack_closures renv l stack in - let stack' = filter_stack_domain renv.env ci p stack' in + let stack' = filter_stack_domain renv.env p stack' in Array.iteri (fun k br' -> let stack_br = push_stack_args case_spec.(k) stack' in check_rec_call renv stack_br br') lrest @@ -972,7 +964,7 @@ let check_one_fix renv recpos trees def = else check_rec_call renv' [] body) bodies - | Const (kn,u as cu) -> + | Const (kn,_u as cu) -> if evaluable_constant kn renv.env then try List.iter (check_rec_call renv []) l with (FixGuardError _ ) -> @@ -983,7 +975,7 @@ let check_one_fix renv recpos trees def = | Lambda (x,a,b) -> let () = assert (List.is_empty l) in check_rec_call renv [] a ; - let spec, stack' = extract_stack renv a stack in + let spec, stack' = extract_stack stack in check_rec_call (push_var renv (x,a,spec)) stack' b | Prod (x,a,b) -> @@ -991,7 +983,7 @@ let check_one_fix renv recpos trees def = check_rec_call renv [] a; check_rec_call (push_var_renv renv (x,a)) [] b - | CoFix (i,(_,typarray,bodies as recdef)) -> + | CoFix (_i,(_,typarray,bodies as recdef)) -> List.iter (check_rec_call renv []) l; Array.iter (check_rec_call renv []) typarray; let renv' = push_fix_renv renv recdef in @@ -1000,13 +992,13 @@ let check_one_fix renv recpos trees def = | (Ind _ | Construct _) -> List.iter (check_rec_call renv []) l - | Proj (p, c) -> + | Proj (_p, c) -> List.iter (check_rec_call renv []) l; check_rec_call renv [] c | Var id -> begin - let open Context.Named.Declaration in + let open! Context.Named.Declaration in match lookup_named id renv.env with | LocalAssum _ -> List.iter (check_rec_call renv []) l @@ -1137,10 +1129,10 @@ let check_one_cofix env nbfix def deftype = raise (CoFixGuardError (env,UnguardedRecursiveCall t)) else if not(List.for_all (noccur_with_meta n nbfix) args) then raise (CoFixGuardError (env,NestedRecursiveOccurrences)) - | Construct ((_,i as cstr_kn),u) -> + | Construct ((_,i as cstr_kn),_u) -> let lra = vlra.(i-1) in let mI = inductive_of_constructor cstr_kn in - let (mib,mip) = lookup_mind_specif env mI in + let (mib,_mip) = lookup_mind_specif env mI in let realargs = List.skipn mib.mind_nparams args in let rec process_args_of_constr = function | (t::lr), (rar::lrar) -> @@ -1165,7 +1157,7 @@ let check_one_cofix env nbfix def deftype = else raise (CoFixGuardError (env,RecCallInTypeOfAbstraction a)) - | CoFix (j,(_,varit,vdefs as recdef)) -> + | CoFix (_j,(_,varit,vdefs as recdef)) -> if List.for_all (noccur_with_meta n nbfix) args then if Array.for_all (noccur_with_meta n nbfix) varit then @@ -1211,7 +1203,7 @@ let check_one_cofix env nbfix def deftype = (* The function which checks that the whole block of definitions satisfies the guarded condition *) -let check_cofix env (bodynum,(names,types,bodies as recdef)) = +let check_cofix env (_bodynum,(names,types,bodies as recdef)) = let flags = Environ.typing_flags env in if flags.check_guarded then let nbfix = Array.length bodies in diff --git a/kernel/inductive.mli b/kernel/inductive.mli index c7982f1fc1..3c1464c6c9 100644 --- a/kernel/inductive.mli +++ b/kernel/inductive.mli @@ -36,7 +36,7 @@ val lookup_mind_specif : env -> inductive -> mind_specif (** {6 Functions to build standard types related to inductive } *) val ind_subst : MutInd.t -> mutual_inductive_body -> Instance.t -> constr list -val inductive_paramdecls : mutual_inductive_body puniverses -> Context.Rel.t +val inductive_paramdecls : mutual_inductive_body puniverses -> Constr.rel_context val instantiate_inductive_constraints : mutual_inductive_body -> Instance.t -> Constraint.t @@ -87,7 +87,7 @@ val build_branches_type : constr list -> constr -> types array (** Return the arity of an inductive type *) -val mind_arity : one_inductive_body -> Context.Rel.t * Sorts.family +val mind_arity : one_inductive_body -> Constr.rel_context * Sorts.family val inductive_sort_family : one_inductive_body -> Sorts.family @@ -115,8 +115,8 @@ exception SingletonInductiveBecomesProp of Id.t val max_inductive_sort : Sorts.t array -> Universe.t -val instantiate_universes : env -> Context.Rel.t -> - template_arity -> constr Lazy.t array -> Context.Rel.t * Sorts.t +val instantiate_universes : env -> Constr.rel_context -> + template_arity -> constr Lazy.t array -> Constr.rel_context * Sorts.t (** {6 Debug} *) diff --git a/kernel/kernel.mllib b/kernel/kernel.mllib index 370185a721..54c239349d 100644 --- a/kernel/kernel.mllib +++ b/kernel/kernel.mllib @@ -1,36 +1,39 @@ Names +TransparentState Uint31 Univ UGraph Esubst Sorts Evar -Constr Context +Constr Vars Term Mod_subst +Vmvalues Cbytecodes Copcodes Cemitcodes Opaqueproof Declarations Entries -Vmvalues Nativevalues CPrimitives Declareops Retroknowledge Conv_oracle -Pre_env +Environ +CClosure +Reduction Clambda Nativelambda Cbytegen Nativecode Nativelib -Environ -CClosure -Reduction +Csymtable +Vm +Vconv Nativeconv Type_errors Modops @@ -43,6 +46,3 @@ Subtyping Mod_typing Nativelibrary Safe_typing -Vm -Csymtable -Vconv diff --git a/kernel/make_opcodes.sh b/kernel/make_opcodes.sh new file mode 100755 index 0000000000..bb8aba2f07 --- /dev/null +++ b/kernel/make_opcodes.sh @@ -0,0 +1,4 @@ +#!/usr/bin/env bash + +script_dir="$(dirname "$0")" +tr -d "\r" < "${1}" | sed -n -e '/^enum/p' -e 's/,//g' -e '/^ /p' | awk -f "$script_dir"/make-opcodes > "${2}" diff --git a/kernel/mod_subst.ml b/kernel/mod_subst.ml index 9c2fa05465..2a91c7dab0 100644 --- a/kernel/mod_subst.ml +++ b/kernel/mod_subst.ml @@ -24,7 +24,7 @@ open Constr is the term into which we should inline. *) type delta_hint = - | Inline of int * constr option + | Inline of int * (Univ.AUContext.t * constr) option | Equiv of KerName.t (* NB: earlier constructor Prefix_equiv of ModPath.t @@ -53,18 +53,25 @@ type delta_resolver = Deltamap.t let empty_delta_resolver = Deltamap.empty -module Umap = struct - type 'a t = 'a MPmap.t * 'a MBImap.t - let empty = MPmap.empty, MBImap.empty - let is_empty (m1,m2) = MPmap.is_empty m1 && MBImap.is_empty m2 - let add_mbi mbi x (m1,m2) = (m1,MBImap.add mbi x m2) - let add_mp mp x (m1,m2) = (MPmap.add mp x m1, m2) - let find_mp mp map = MPmap.find mp (fst map) - let find_mbi mbi map = MBImap.find mbi (snd map) - let iter_mbi f map = MBImap.iter f (snd map) - let fold fmp fmbi (m1,m2) i = - MPmap.fold fmp m1 (MBImap.fold fmbi m2 i) - let join map1 map2 = fold add_mp add_mbi map1 map2 +module Umap : + sig + type 'a t + val empty : 'a t + val is_empty : 'a t -> bool + val add_mbi : MBId.t -> 'a -> 'a t -> 'a t + val add_mp : ModPath.t -> 'a -> 'a t -> 'a t + val find : ModPath.t -> 'a t -> 'a + val join : 'a t -> 'a t -> 'a t + val fold : (ModPath.t -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b + end = struct + type 'a t = 'a MPmap.t + let empty = MPmap.empty + let is_empty m = MPmap.is_empty m + let add_mbi mbi x m = MPmap.add (MPbound mbi) x m + let add_mp mp x m = MPmap.add mp x m + let find = MPmap.find + let fold = MPmap.fold + let join map1 map2 = fold add_mp map1 map2 end type substitution = (ModPath.t * delta_resolver) Umap.t @@ -93,8 +100,7 @@ let debug_string_of_delta resolve = let list_contents sub = let one_pair (mp,reso) = (ModPath.to_string mp,debug_string_of_delta reso) in let mp_one_pair mp0 p l = (ModPath.to_string mp0, one_pair p)::l in - let mbi_one_pair mbi p l = (MBId.debug_to_string mbi, one_pair p)::l in - Umap.fold mp_one_pair mbi_one_pair sub [] + Umap.fold mp_one_pair sub [] let debug_string_of_subst sub = let l = List.map (fun (s1,(s2,s3)) -> s1^"|->"^s2^"["^s3^"]") @@ -158,7 +164,7 @@ let find_prefix resolve mp = (** Applying a resolver to a kernel name *) -exception Change_equiv_to_inline of (int * constr) +exception Change_equiv_to_inline of (int * (Univ.AUContext.t * constr)) let solve_delta_kn resolve kn = try @@ -167,12 +173,12 @@ let solve_delta_kn resolve kn = | Inline (lev, Some c) -> raise (Change_equiv_to_inline (lev,c)) | Inline (_, None) -> raise Not_found with Not_found -> - let mp,dir,l = KerName.repr kn in + let mp,l = KerName.repr kn in let new_mp = find_prefix resolve mp in if mp == new_mp then kn else - KerName.make new_mp dir l + KerName.make new_mp l let kn_of_delta resolve kn = try solve_delta_kn resolve kn @@ -222,15 +228,10 @@ let search_delta_inline resolve kn1 kn2 = let subst_mp0 sub mp = (* 's like subst *) let rec aux mp = match mp with - | MPfile sid -> Umap.find_mp mp sub - | MPbound bid -> - begin - try Umap.find_mbi bid sub - with Not_found -> Umap.find_mp mp sub - end + | MPfile _ | MPbound _ -> Umap.find mp sub | MPdot (mp1,l) as mp2 -> begin - try Umap.find_mp mp2 sub + try Umap.find mp2 sub with Not_found -> let mp1',resolve = aux mp1 in MPdot (mp1',l),resolve @@ -244,18 +245,18 @@ let subst_mp sub mp = | Some (mp',_) -> mp' let subst_kn_delta sub kn = - let mp,dir,l = KerName.repr kn in + let mp,l = KerName.repr kn in match subst_mp0 sub mp with Some (mp',resolve) -> - solve_delta_kn resolve (KerName.make mp' dir l) + solve_delta_kn resolve (KerName.make mp' l) | None -> kn let subst_kn sub kn = - let mp,dir,l = KerName.repr kn in + let mp,l = KerName.repr kn in match subst_mp0 sub mp with Some (mp',_) -> - (KerName.make mp' dir l) + (KerName.make mp' l) | None -> kn exception No_subst @@ -274,12 +275,12 @@ let progress f x ~orelse = if y != x then y else orelse let subst_mind sub mind = - let mpu,dir,l = MutInd.repr3 mind in + let mpu,l = MutInd.repr2 mind in let mpc = KerName.modpath (MutInd.canonical mind) in try let mpu,mpc,resolve,user = subst_dual_mp sub mpu mpc in - let knu = KerName.make mpu dir l in - let knc = if mpu == mpc then knu else KerName.make mpc dir l in + let knu = KerName.make mpu l in + let knc = if mpu == mpc then knu else KerName.make mpc l in let knc' = progress (kn_of_delta resolve) (if user then knu else knc) ~orelse:knc in @@ -294,15 +295,16 @@ let subst_pind sub (ind,u) = (subst_ind sub ind, u) let subst_con0 sub (cst,u) = - let mpu,dir,l = Constant.repr3 cst in + let mpu,l = Constant.repr2 cst in let mpc = KerName.modpath (Constant.canonical cst) in let mpu,mpc,resolve,user = subst_dual_mp sub mpu mpc in - let knu = KerName.make mpu dir l in - let knc = if mpu == mpc then knu else KerName.make mpc dir l in + let knu = KerName.make mpu l in + let knc = if mpu == mpc then knu else KerName.make mpc l in match search_delta_inline resolve knu knc with - | Some t -> + | Some (ctx, t) -> (* In case of inlining, discard the canonical part (cf #2608) *) - Constant.make1 knu, t + let () = assert (Int.equal (Univ.AUContext.size ctx) (Univ.Instance.length u)) in + Constant.make1 knu, Vars.subst_instance_constr u t | None -> let knc' = progress (kn_of_delta resolve) (if user then knu else knc) ~orelse:knc @@ -317,12 +319,12 @@ let subst_con sub cst = let subst_con_kn sub con = subst_con sub (con,Univ.Instance.empty) -let subst_pcon sub (con,u as pcon) = - try let con', can = subst_con0 sub pcon in +let subst_pcon sub (_con,u as pcon) = + try let con', _can = subst_con0 sub pcon in con',u with No_subst -> pcon -let subst_pcon_term sub (con,u as pcon) = +let subst_pcon_term sub (_con,u as pcon) = try let con', can = subst_con0 sub pcon in (con',u), can with No_subst -> pcon, mkConstU pcon @@ -331,6 +333,12 @@ let subst_constant sub con = try fst (subst_con0 sub (con,Univ.Instance.empty)) with No_subst -> con +let subst_proj_repr sub p = + Projection.Repr.map (subst_mind sub) p + +let subst_proj sub p = + Projection.map (subst_mind sub) p + (* Here the semantics is completely unclear. What does "Hint Unfold t" means when "t" is a parameter? Does the user mean "Unfold X.t" or does she mean "Unfold y" @@ -345,11 +353,7 @@ let rec map_kn f f' c = match kind c with | Const kn -> (try snd (f' kn) with No_subst -> c) | Proj (p,t) -> - let p' = - try - Projection.map (fun kn -> fst (f' (kn,Univ.Instance.empty))) p - with No_subst -> p - in + let p' = Projection.map f p in let t' = func t in if p' == p && t' == t then c else mkProj (p', t') @@ -367,7 +371,7 @@ let rec map_kn f f' c = in let p' = func p in let ct' = func ct in - let l' = Array.smartmap func l in + let l' = Array.Smart.map func l in if (ci.ci_ind==ci_ind && p'==p && l'==l && ct'==ct)then c else @@ -396,21 +400,21 @@ let rec map_kn f f' c = else mkLetIn (na, b', t', ct') | App (ct,l) -> let ct' = func ct in - let l' = Array.smartmap func l in + let l' = Array.Smart.map func l in if (ct'== ct && l'==l) then c else mkApp (ct',l') | Evar (e,l) -> - let l' = Array.smartmap func l in + let l' = Array.Smart.map func l in if (l'==l) then c else mkEvar (e,l') | Fix (ln,(lna,tl,bl)) -> - let tl' = Array.smartmap func tl in - let bl' = Array.smartmap func bl in + let tl' = Array.Smart.map func tl in + let bl' = Array.Smart.map func bl in if (bl == bl'&& tl == tl') then c else mkFix (ln,(lna,tl',bl')) | CoFix(ln,(lna,tl,bl)) -> - let tl' = Array.smartmap func tl in - let bl' = Array.smartmap func bl in + let tl' = Array.Smart.map func tl in + let bl' = Array.Smart.map func bl in if (bl == bl'&& tl == tl') then c else mkCoFix (ln,(lna,tl',bl')) | _ -> c @@ -429,15 +433,15 @@ let rec replace_mp_in_mp mpfrom mpto mp = | _ -> mp let replace_mp_in_kn mpfrom mpto kn = - let mp,dir,l = KerName.repr kn in + let mp,l = KerName.repr kn in let mp'' = replace_mp_in_mp mpfrom mpto mp in if mp==mp'' then kn - else KerName.make mp'' dir l + else KerName.make mp'' l let rec mp_in_mp mp mp1 = match mp1 with | _ when ModPath.equal mp1 mp -> true - | MPdot (mp2,l) -> mp_in_mp mp mp2 + | MPdot (mp2,_l) -> mp_in_mp mp mp2 | _ -> false let subset_prefixed_by mp resolver = @@ -482,7 +486,7 @@ let gen_subst_delta_resolver dom subst resolver = | Equiv kequ -> (try Equiv (subst_kn_delta subst kequ) with Change_equiv_to_inline (lev,c) -> Inline (lev,Some c)) - | Inline (lev,Some t) -> Inline (lev,Some (subst_mps subst t)) + | Inline (lev,Some (ctx, t)) -> Inline (lev,Some (ctx, subst_mps subst t)) | Inline (_,None) -> hint in Deltamap.add_kn kkey' hint' rslv @@ -522,9 +526,7 @@ let substition_prefixed_by k mp subst = Umap.add_mp new_key (mp_to,reso) sub else sub in - let mbi_prefixmp mbi _ sub = sub - in - Umap.fold mp_prefixmp mbi_prefixmp subst empty_subst + Umap.fold mp_prefixmp subst empty_subst let join subst1 subst2 = let apply_subst mpk add (mp,resolve) res = @@ -544,24 +546,9 @@ let join subst1 subst2 = Umap.join prefixed_subst (add (mp',resolve'') res) in let mp_apply_subst mp = apply_subst mp (Umap.add_mp mp) in - let mbi_apply_subst mbi = apply_subst (MPbound mbi) (Umap.add_mbi mbi) in - let subst = Umap.fold mp_apply_subst mbi_apply_subst subst1 empty_subst in + let subst = Umap.fold mp_apply_subst subst1 empty_subst in Umap.join subst2 subst -let rec occur_in_path mbi = function - | MPbound bid' -> MBId.equal mbi bid' - | MPdot (mp1,_) -> occur_in_path mbi mp1 - | _ -> false - -let occur_mbid mbi sub = - let check_one mbi' (mp,_) = - if MBId.equal mbi mbi' || occur_in_path mbi mp then raise Exit - in - try - Umap.iter_mbi check_one sub; - false - with Exit -> true - type 'a substituted = { mutable subst_value : 'a; mutable subst_subst : substitution list; diff --git a/kernel/mod_subst.mli b/kernel/mod_subst.mli index b14d392073..8416094063 100644 --- a/kernel/mod_subst.mli +++ b/kernel/mod_subst.mli @@ -28,7 +28,7 @@ val add_kn_delta_resolver : KerName.t -> KerName.t -> delta_resolver -> delta_resolver val add_inline_delta_resolver : - KerName.t -> (int * constr option) -> delta_resolver -> delta_resolver + KerName.t -> (int * (Univ.AUContext.t * constr) option) -> delta_resolver -> delta_resolver val add_delta_resolver : delta_resolver -> delta_resolver -> delta_resolver @@ -147,6 +147,9 @@ val subst_con_kn : val subst_constant : substitution -> Constant.t -> Constant.t +val subst_proj_repr : substitution -> Projection.Repr.t -> Projection.Repr.t +val subst_proj : substitution -> Projection.t -> Projection.t + (** Here the semantics is completely unclear. What does "Hint Unfold t" means when "t" is a parameter? Does the user mean "Unfold X.t" or does she mean "Unfold y" @@ -162,11 +165,6 @@ val replace_mp_in_kn : ModPath.t -> ModPath.t -> KerName.t -> KerName.t names appearing in [c] *) val subst_mps : substitution -> constr -> constr -(** [occur_*id id sub] returns true iff [id] occurs in [sub] - on either side *) - -val occur_mbid : MBId.t -> substitution -> bool - (** [repr_substituted r] dumps the representation of a substituted: - [None, a] when r is a value - [Some s, a] when r is a delayed substitution [s] applied to [a] *) diff --git a/kernel/mod_typing.ml b/kernel/mod_typing.ml index 1baab7c98c..d63dc057b4 100644 --- a/kernel/mod_typing.ml +++ b/kernel/mod_typing.ml @@ -120,7 +120,7 @@ let rec check_with_def env struc (idl,(c,ctx)) mp equiv = const_body = def; const_universes = univs ; const_body_code = Option.map Cemitcodes.from_val - (compile_constant_body env' cb.const_universes def) } + (Cbytegen.compile_constant_body ~fail_on_error:false env' cb.const_universes def) } in before@(lab,SFBconst(cb'))::after, c', ctx' else diff --git a/kernel/modops.ml b/kernel/modops.ml index bbf160db21..f43dbd88f9 100644 --- a/kernel/modops.ml +++ b/kernel/modops.ml @@ -47,11 +47,9 @@ type signature_mismatch_error = | RecordFieldExpected of bool | RecordProjectionsExpected of Name.t list | NotEqualInductiveAliases - | NoTypeConstraintExpected - | IncompatibleInstances | IncompatibleUniverses of Univ.univ_inconsistency | IncompatiblePolymorphism of env * types * types - | IncompatibleConstraints of Univ.AUContext.t + | IncompatibleConstraints of { got : Univ.AUContext.t; expect : Univ.AUContext.t } type module_typing_error = | SignatureMismatch of @@ -130,16 +128,16 @@ let destr_nofunctor = function |NoFunctor a -> a |MoreFunctor _ -> error_is_a_functor () -let rec functor_smartmap fty f0 funct = match funct with +let rec functor_smart_map fty f0 funct = match funct with |MoreFunctor (mbid,ty,e) -> let ty' = fty ty in - let e' = functor_smartmap fty f0 e in + let e' = functor_smart_map fty f0 e in if ty==ty' && e==e' then funct else MoreFunctor (mbid,ty',e') |NoFunctor a -> let a' = f0 a in if a==a' then funct else NoFunctor a' let rec functor_iter fty f0 = function - |MoreFunctor (mbid,ty,e) -> fty ty; functor_iter fty f0 e + |MoreFunctor (_mbid,ty,e) -> fty ty; functor_iter fty f0 e |NoFunctor a -> f0 a (** {6 Misc operations } *) @@ -172,7 +170,7 @@ let implem_iter fs fa impl = match impl with (** {6 Substitutions of modular structures } *) -let id_delta x y = x +let id_delta x _y = x let subst_with_body sub = function |WithMod(id,mp) as orig -> @@ -197,11 +195,11 @@ let rec subst_structure sub do_delta sign = let mtb' = subst_modtype sub do_delta mtb in if mtb==mtb' then orig else (l,SFBmodtype mtb') in - List.smartmap subst_body sign + List.Smart.map subst_body sign and subst_body : 'a. _ -> _ -> (_ -> 'a -> 'a) -> _ -> 'a generic_module_body -> 'a generic_module_body = fun is_mod sub subst_impl do_delta mb -> - let { mod_mp=mp; mod_expr=me; mod_type=ty; mod_type_alg=aty } = mb in + let { mod_mp=mp; mod_expr=me; mod_type=ty; mod_type_alg=aty; _ } = mb in let mp' = subst_mp sub mp in let sub = if ModPath.equal mp mp' then sub @@ -210,7 +208,7 @@ and subst_body : 'a. _ -> _ -> (_ -> 'a -> 'a) -> _ -> 'a generic_module_body -> in let ty' = subst_signature sub do_delta ty in let me' = subst_impl sub me in - let aty' = Option.smartmap (subst_expression sub id_delta) aty in + let aty' = Option.Smart.map (subst_expression sub id_delta) aty in let delta' = do_delta mb.mod_delta sub in if mp==mp' && me==me' && ty==ty' && aty==aty' && delta'==mb.mod_delta then mb @@ -245,12 +243,12 @@ and subst_expr sub do_delta seb = match seb with if meb==meb' && wdb==wdb' then seb else MEwith(meb',wdb') and subst_expression sub do_delta = - functor_smartmap + functor_smart_map (subst_modtype sub do_delta) (subst_expr sub do_delta) and subst_signature sub do_delta = - functor_smartmap + functor_smart_map (subst_modtype sub do_delta) (subst_structure sub do_delta) @@ -266,9 +264,9 @@ let subst_structure subst = subst_structure subst do_delta_codom (* spiwack: here comes the function which takes care of importing the retroknowledge declared in the library *) (* lclrk : retroknowledge_action list, rkaction : retroknowledge action *) -let add_retroknowledge mp = +let add_retroknowledge = let perform rkaction env = match rkaction with - | Retroknowledge.RKRegister (f, e) when (isConst e || isInd e) -> + | Retroknowledge.RKRegister (f, ((GlobRef.ConstRef _ | GlobRef.IndRef _) as e)) -> Environ.register env f e | _ -> CErrors.anomaly ~label:"Modops.add_retroknowledge" @@ -290,10 +288,10 @@ let add_retroknowledge mp = let rec add_structure mp sign resolver linkinfo env = let add_one env (l,elem) = match elem with |SFBconst cb -> - let c = constant_of_delta_kn resolver (KerName.make2 mp l) in + let c = constant_of_delta_kn resolver (KerName.make mp l) in Environ.add_constant_key c cb linkinfo env |SFBmind mib -> - let mind = mind_of_delta_kn resolver (KerName.make2 mp l) in + let mind = mind_of_delta_kn resolver (KerName.make mp l) in let mib = if mib.mind_private != None then { mib with mind_private = Some true } @@ -310,7 +308,7 @@ and add_module mb linkinfo env = let env = Environ.shallow_add_module mb env in match mb.mod_type with |NoFunctor struc -> - add_retroknowledge mp mb.mod_retroknowledge + add_retroknowledge mb.mod_retroknowledge (add_structure mp struc mb.mod_delta linkinfo env) |MoreFunctor _ -> env @@ -332,7 +330,7 @@ let strengthen_const mp_from l cb resolver = match cb.const_body with |Def _ -> cb |_ -> - let kn = KerName.make2 mp_from l in + let kn = KerName.make mp_from l in let con = constant_of_delta_kn resolver kn in let u = match cb.const_universes with @@ -340,7 +338,8 @@ let strengthen_const mp_from l cb resolver = | Polymorphic_const ctx -> Univ.make_abstract_instance ctx in { cb with - const_body = Def (Mod_subst.from_val (mkConstU (con,u))); + const_body = Def (Mod_subst.from_val (mkConstU (con,u))); + const_private_poly_univs = None; const_body_code = Some (Cemitcodes.from_val (Cbytegen.compile_alias con)) } let rec strengthen_mod mp_from mp_to mb = @@ -372,7 +371,7 @@ and strengthen_sig mp_from struc mp_to reso = match struc with let item' = l,SFBmodule mb' in let reso',rest' = strengthen_sig mp_from rest mp_to reso in add_delta_resolver reso' mb.mod_delta, item':: rest' - |(l,SFBmodtype mty as item) :: rest -> + |(_l,SFBmodtype _mty as item) :: rest -> let reso',rest' = strengthen_sig mp_from rest mp_to reso in reso',item::rest' @@ -403,7 +402,8 @@ let inline_delta_resolver env inl mp mbid mtb delta = | Undef _ | OpaqueDef _ -> l | Def body -> let constr = Mod_subst.force_constr body in - add_inline_delta_resolver kn (lev, Some constr) l + let ctx = Declareops.constant_polymorphic_context constant in + add_inline_delta_resolver kn (lev, Some (ctx, constr)) l with Not_found -> error_no_such_label_sub (Constant.label con) (ModPath.to_string (Constant.modpath con)) @@ -450,8 +450,8 @@ and strengthen_and_subst_struct str subst mp_from mp_to alias incl reso = (* If we are performing an inclusion we need to add the fact that the constant mp_to.l is \Delta-equivalent to reso(mp_from.l) *) - let kn_from = KerName.make2 mp_from l in - let kn_to = KerName.make2 mp_to l in + let kn_from = KerName.make mp_from l in + let kn_to = KerName.make mp_to l in let old_name = kn_of_delta reso kn_from in add_kn_delta_resolver kn_to old_name reso', str' else @@ -471,8 +471,8 @@ and strengthen_and_subst_struct str subst mp_from mp_to alias incl reso = in (* Same as constant *) if incl then - let kn_from = KerName.make2 mp_from l in - let kn_to = KerName.make2 mp_to l in + let kn_from = KerName.make mp_from l in + let kn_to = KerName.make mp_to l in let old_name = kn_of_delta reso kn_from in add_kn_delta_resolver kn_to old_name reso', str' else @@ -595,13 +595,13 @@ and clean_field l field = match field with if mb==mb' then field else (lab,SFBmodule mb') |_ -> field -and clean_structure l = List.smartmap (clean_field l) +and clean_structure l = List.Smart.map (clean_field l) and clean_signature l = - functor_smartmap (clean_module_type l) (clean_structure l) + functor_smart_map (clean_module_type l) (clean_structure l) and clean_expression l = - functor_smartmap (clean_module_type l) (fun me -> me) + functor_smart_map (clean_module_type l) (fun me -> me) let rec collect_mbid l sign = match sign with |MoreFunctor (mbid,ty,m) -> @@ -628,7 +628,7 @@ let join_structure except otab s = let rec join_module : 'a. 'a generic_module_body -> unit = fun mb -> Option.iter join_expression mb.mod_type_alg; join_signature mb.mod_type - and join_field (l,body) = match body with + and join_field (_l,body) = match body with |SFBconst sb -> join_constant_body except otab sb |SFBmind _ -> () |SFBmodule m -> diff --git a/kernel/modops.mli b/kernel/modops.mli index cb41a5123a..0acd09fb12 100644 --- a/kernel/modops.mli +++ b/kernel/modops.mli @@ -52,7 +52,7 @@ val add_module : module_body -> env -> env (** same as add_module, but for a module whose native code has been linked by the native compiler. The linking information is updated. *) -val add_linked_module : module_body -> Pre_env.link_info -> env -> env +val add_linked_module : module_body -> link_info -> env -> env (** same, for a module type *) val add_module_type : ModPath.t -> module_type_body -> env -> env @@ -106,11 +106,9 @@ type signature_mismatch_error = | RecordFieldExpected of bool | RecordProjectionsExpected of Name.t list | NotEqualInductiveAliases - | NoTypeConstraintExpected - | IncompatibleInstances | IncompatibleUniverses of Univ.univ_inconsistency | IncompatiblePolymorphism of env * types * types - | IncompatibleConstraints of Univ.AUContext.t + | IncompatibleConstraints of { got : Univ.AUContext.t; expect : Univ.AUContext.t } type module_typing_error = | SignatureMismatch of diff --git a/kernel/names.ml b/kernel/names.ml index a3aa71f24f..b2d6a489a6 100644 --- a/kernel/names.ml +++ b/kernel/names.ml @@ -17,7 +17,7 @@ the module system, Aug 2002 *) (* Abstraction over the type of constant for module inlining by Claudio Sacerdoti, Nov 2004 *) -(* Miscellaneous features or improvements by Hugo Herbelin, +(* Miscellaneous features or improvements by Hugo Herbelin, Élie Soubiran, ... *) open Pp @@ -207,7 +207,7 @@ struct let repr mbid = mbid - let to_string (i, s, p) = + let to_string (_i, s, p) = DirPath.to_string p ^ "." ^ s let debug_to_string (i, s, p) = @@ -328,7 +328,7 @@ module ModPath = struct let rec dp = function | MPfile sl -> sl | MPbound (_,_,dp) -> dp - | MPdot (mp,l) -> dp mp + | MPdot (mp,_l) -> dp mp module Self_Hashcons = struct type t = module_path @@ -364,34 +364,26 @@ module MPmap = CMap.Make(ModPath) module KerName = struct type t = { - canary : Canary.t; modpath : ModPath.t; - dirpath : DirPath.t; knlabel : Label.t; mutable refhash : int; (** Lazily computed hash. If unset, it is set to negative values. *) } - let canary = Canary.obj - type kernel_name = t - let make modpath dirpath knlabel = - { modpath; dirpath; knlabel; refhash = -1; canary; } - let repr kn = (kn.modpath, kn.dirpath, kn.knlabel) + let make modpath knlabel = + { modpath; knlabel; refhash = -1; } + let repr kn = (kn.modpath, kn.knlabel) - let make2 modpath knlabel = - { modpath; dirpath = DirPath.empty; knlabel; refhash = -1; canary; } + let make2 = make + [@@ocaml.deprecated "Please use [KerName.make]"] let modpath kn = kn.modpath let label kn = kn.knlabel let to_string_gen mp_to_string kn = - let dp = - if DirPath.is_empty kn.dirpath then "." - else "#" ^ DirPath.to_string kn.dirpath ^ "#" - in - mp_to_string kn.modpath ^ dp ^ Label.to_string kn.knlabel + mp_to_string kn.modpath ^ "." ^ Label.to_string kn.knlabel let to_string kn = to_string_gen ModPath.to_string kn @@ -405,9 +397,7 @@ module KerName = struct let c = String.compare kn1.knlabel kn2.knlabel in if not (Int.equal c 0) then c else - let c = DirPath.compare kn1.dirpath kn2.dirpath in - if not (Int.equal c 0) then c - else ModPath.compare kn1.modpath kn2.modpath + ModPath.compare kn1.modpath kn2.modpath let equal kn1 kn2 = let h1 = kn1.refhash in @@ -415,7 +405,6 @@ module KerName = struct if 0 <= h1 && 0 <= h2 && not (Int.equal h1 h2) then false else Label.equal kn1.knlabel kn2.knlabel && - DirPath.equal kn1.dirpath kn2.dirpath && ModPath.equal kn1.modpath kn2.modpath open Hashset.Combine @@ -423,8 +412,8 @@ module KerName = struct let hash kn = let h = kn.refhash in if h < 0 then - let { modpath = mp; dirpath = dp; knlabel = lbl; } = kn in - let h = combine3 (ModPath.hash mp) (DirPath.hash dp) (Label.hash lbl) in + let { modpath = mp; knlabel = lbl; _ } = kn in + let h = combine (ModPath.hash mp) (Label.hash lbl) in (* Ensure positivity on all platforms. *) let h = h land 0x3FFFFFFF in let () = kn.refhash <- h in @@ -435,12 +424,11 @@ module KerName = struct type t = kernel_name type u = (ModPath.t -> ModPath.t) * (DirPath.t -> DirPath.t) * (string -> string) - let hashcons (hmod,hdir,hstr) kn = - let { modpath = mp; dirpath = dp; knlabel = l; refhash; } = kn in - { modpath = hmod mp; dirpath = hdir dp; knlabel = hstr l; refhash; canary; } + let hashcons (hmod,_hdir,hstr) kn = + let { modpath = mp; knlabel = l; refhash; } = kn in + { modpath = hmod mp; knlabel = hstr l; refhash; } let eq kn1 kn2 = - kn1.modpath == kn2.modpath && kn1.dirpath == kn2.dirpath && - kn1.knlabel == kn2.knlabel + kn1.modpath == kn2.modpath && kn1.knlabel == kn2.knlabel let hash = hash end @@ -495,21 +483,20 @@ module KerPair = struct let make knu knc = if KerName.equal knu knc then Same knc else Dual (knu,knc) let make1 = same - let make2 mp l = same (KerName.make2 mp l) - let make3 mp dir l = same (KerName.make mp dir l) - let repr3 kp = KerName.repr (user kp) + let make2 mp l = same (KerName.make mp l) + let repr2 kp = KerName.repr (user kp) let label kp = KerName.label (user kp) let modpath kp = KerName.modpath (user kp) let change_label kp lbl = - let (mp1,dp1,l1) = KerName.repr (user kp) - and (mp2,dp2,l2) = KerName.repr (canonical kp) in - assert (String.equal l1 l2 && DirPath.equal dp1 dp2); + let (mp1,l1) = KerName.repr (user kp) + and (mp2,l2) = KerName.repr (canonical kp) in + assert (String.equal l1 l2); if String.equal lbl l1 then kp else - let kn = KerName.make mp1 dp1 lbl in + let kn = KerName.make mp1 lbl in if mp1 == mp2 then same kn - else make kn (KerName.make mp2 dp2 lbl) + else make kn (KerName.make mp2 lbl) let to_string kp = KerName.to_string (user kp) let print kp = str (to_string kp) @@ -626,8 +613,8 @@ let constr_modpath (ind,_) = ind_modpath ind let ith_mutual_inductive (mind, _) i = (mind, i) let ith_constructor_of_inductive ind i = (ind, i) -let inductive_of_constructor (ind, i) = ind -let index_of_constructor (ind, i) = i +let inductive_of_constructor (ind, _i) = ind +let index_of_constructor (_ind, i) = i let eq_ind (m1, i1) (m2, i2) = Int.equal i1 i2 && MutInd.equal m1 m2 let eq_user_ind (m1, i1) (m2, i2) = @@ -701,22 +688,6 @@ end module Constrmap = Map.Make(ConstructorOrdered) module Constrmap_env = Map.Make(ConstructorOrdered_env) -type global_reference = - | VarRef of variable (** A reference to the section-context. *) - | ConstRef of Constant.t (** A reference to the environment. *) - | IndRef of inductive (** A reference to an inductive type. *) - | ConstructRef of constructor (** A reference to a constructor of an inductive type. *) - -(* Better to have it here that in closure, since used in grammar.cma *) -type evaluable_global_reference = - | EvalVarRef of Id.t - | EvalConstRef of Constant.t - -let eq_egr e1 e2 = match e1, e2 with - EvalConstRef con1, EvalConstRef con2 -> Constant.equal con1 con2 - | EvalVarRef id1, EvalVarRef id2 -> Id.equal id1 id2 - | _, _ -> false - (** {6 Hash-consing of name objects } *) module Hind = Hashcons.Make( @@ -744,13 +715,6 @@ let hcons_construct = Hashcons.simple_hcons Hconstruct.generate Hconstruct.hcons (*****************) -type transparent_state = Id.Pred.t * Cpred.t - -let empty_transparent_state = (Id.Pred.empty, Cpred.empty) -let full_transparent_state = (Id.Pred.full, Cpred.full) -let var_full_transparent_state = (Id.Pred.full, Cpred.empty) -let cst_full_transparent_state = (Id.Pred.empty, Cpred.full) - type 'a tableKey = | ConstKey of 'a | VarKey of Id.t @@ -768,117 +732,162 @@ let eq_table_key f ik1 ik2 = | RelKey k1, RelKey k2 -> Int.equal k1 k2 | _ -> false -let eq_con_chk = Constant.UserOrd.equal let eq_mind_chk = MutInd.UserOrd.equal let eq_ind_chk (kn1,i1) (kn2,i2) = Int.equal i1 i2 && eq_mind_chk kn1 kn2 - (*******************************************************************) (** Compatibility layers *) -(** Backward compatibility for [Id] *) +let eq_constant_key = Constant.UserOrd.equal -type identifier = Id.t +(** Compatibility layer for [ModPath] *) -let id_eq = Id.equal -let id_ord = Id.compare -let string_of_id = Id.to_string -let id_of_string = Id.of_string +type module_path = ModPath.t = + | MPfile of DirPath.t + | MPbound of MBId.t + | MPdot of module_path * Label.t -module Idset = Id.Set -module Idmap = Id.Map -module Idpred = Id.Pred +(** Compatibility layer for [Constant] *) -(** Compatibility layer for [Name] *) +module Projection = +struct + module Repr = struct + type t = + { proj_ind : inductive; + proj_npars : int; + proj_arg : int; + proj_name : Label.t; } -let name_eq = Name.equal + let make proj_ind ~proj_npars ~proj_arg proj_name = + {proj_ind;proj_npars;proj_arg;proj_name} -(** Compatibility layer for [DirPath] *) + let inductive c = c.proj_ind -type dir_path = DirPath.t -let dir_path_ord = DirPath.compare -let dir_path_eq = DirPath.equal -let make_dirpath = DirPath.make -let repr_dirpath = DirPath.repr -let empty_dirpath = DirPath.empty -let is_empty_dirpath = DirPath.is_empty -let string_of_dirpath = DirPath.to_string -let initial_dir = DirPath.initial + let mind c = fst c.proj_ind -(** Compatibility layer for [MBId] *) + let constant c = KerPair.change_label (mind c) c.proj_name -type mod_bound_id = MBId.t -let mod_bound_id_ord = MBId.compare -let mod_bound_id_eq = MBId.equal -let make_mbid = MBId.make -let repr_mbid = MBId.repr -let debug_string_of_mbid = MBId.debug_to_string -let string_of_mbid = MBId.to_string -let id_of_mbid = MBId.to_id + let label c = c.proj_name -(** Compatibility layer for [Label] *) + let npars c = c.proj_npars -type label = Id.t -let mk_label = Label.make -let string_of_label = Label.to_string -let pr_label = Label.print -let id_of_label = Label.to_id -let label_of_id = Label.of_id -let eq_label = Label.equal + let arg c = c.proj_arg -(** Compatibility layer for [ModPath] *) + let equal a b = + eq_ind a.proj_ind b.proj_ind && Int.equal a.proj_arg b.proj_arg -type module_path = ModPath.t = - | MPfile of DirPath.t - | MPbound of MBId.t - | MPdot of module_path * Label.t -let check_bound_mp = ModPath.is_bound -let string_of_mp = ModPath.to_string -let mp_ord = ModPath.compare -let mp_eq = ModPath.equal -let initial_path = ModPath.initial - -(** Compatibility layer for [KerName] *) - -type kernel_name = KerName.t -let make_kn = KerName.make -let repr_kn = KerName.repr -let modpath = KerName.modpath -let label = KerName.label -let string_of_kn = KerName.to_string -let pr_kn = KerName.print -let kn_ord = KerName.compare + let hash p = + Hashset.Combine.combinesmall p.proj_arg (ind_hash p.proj_ind) -(** Compatibility layer for [Constant] *) + module SyntacticOrd = struct + let compare a b = + let c = ind_syntactic_ord a.proj_ind b.proj_ind in + if c == 0 then Int.compare a.proj_arg b.proj_arg + else c + + let equal a b = + a.proj_arg == b.proj_arg && eq_syntactic_ind a.proj_ind b.proj_ind + + let hash p = + Hashset.Combine.combinesmall p.proj_arg (ind_hash p.proj_ind) + end + module CanOrd = struct + let compare a b = + let c = ind_ord a.proj_ind b.proj_ind in + if c == 0 then Int.compare a.proj_arg b.proj_arg + else c -type constant = Constant.t + let equal a b = + a.proj_arg == b.proj_arg && eq_ind a.proj_ind b.proj_ind + + let hash p = + Hashset.Combine.combinesmall p.proj_arg (ind_hash p.proj_ind) + end + module UserOrd = struct + let compare a b = + let c = ind_user_ord a.proj_ind b.proj_ind in + if c == 0 then Int.compare a.proj_arg b.proj_arg + else c + + let equal a b = + a.proj_arg == b.proj_arg && eq_user_ind a.proj_ind b.proj_ind + + let hash p = + Hashset.Combine.combinesmall p.proj_arg (ind_user_hash p.proj_ind) + end + + let compare a b = + let c = ind_ord a.proj_ind b.proj_ind in + if c == 0 then Int.compare a.proj_arg b.proj_arg + else c + + module Self_Hashcons = struct + type nonrec t = t + type u = (inductive -> inductive) * (Id.t -> Id.t) + let hashcons (hind,hid) p = + { proj_ind = hind p.proj_ind; + proj_npars = p.proj_npars; + proj_arg = p.proj_arg; + proj_name = hid p.proj_name } + let eq p p' = + p == p' || (p.proj_ind == p'.proj_ind && p.proj_npars == p'.proj_npars && p.proj_arg == p'.proj_arg && p.proj_name == p'.proj_name) + let hash = hash + end + module HashRepr = Hashcons.Make(Self_Hashcons) + let hcons = Hashcons.simple_hcons HashRepr.generate HashRepr.hcons (hcons_ind,Id.hcons) + let map_npars f p = + let ind = fst p.proj_ind in + let npars = p.proj_npars in + let ind', npars' = f ind npars in + if ind == ind' && npars == npars' then p + else {p with proj_ind = (ind',snd p.proj_ind); proj_npars = npars'} + + let map f p = map_npars (fun mind n -> f mind, n) p + + let to_string p = Constant.to_string (constant p) + let print p = Constant.print (constant p) + end + + type t = Repr.t * bool -module Projection = -struct - type t = constant * bool - let make c b = (c, b) - let constant = fst + let mind (c,_) = Repr.mind c + let inductive (c,_) = Repr.inductive c + let npars (c,_) = Repr.npars c + let arg (c,_) = Repr.arg c + let constant (c,_) = Repr.constant c + let label (c,_) = Repr.label c + let repr = fst let unfolded = snd let unfold (c, b as p) = if b then p else (c, true) - let equal (c, b) (c', b') = Constant.equal c c' && b == b' - let hash (c, b) = (if b then 0 else 1) + Constant.hash c + let equal (c, b) (c', b') = Repr.equal c c' && b == b' + + let repr_equal p p' = Repr.equal (repr p) (repr p') + + let hash (c, b) = (if b then 0 else 1) + Repr.hash c module SyntacticOrd = struct let compare (c, b) (c', b') = - if b = b' then Constant.SyntacticOrd.compare c c' else -1 + if b = b' then Repr.SyntacticOrd.compare c c' else -1 let equal (c, b as x) (c', b' as x') = - x == x' || b = b' && Constant.SyntacticOrd.equal c c' - let hash (c, b) = (if b then 0 else 1) + Constant.SyntacticOrd.hash c + x == x' || b = b' && Repr.SyntacticOrd.equal c c' + let hash (c, b) = (if b then 0 else 1) + Repr.SyntacticOrd.hash c + end + module CanOrd = struct + let compare (c, b) (c', b') = + if b = b' then Repr.CanOrd.compare c c' else -1 + let equal (c, b as x) (c', b' as x') = + x == x' || b = b' && Repr.CanOrd.equal c c' + let hash (c, b) = (if b then 0 else 1) + Repr.CanOrd.hash c end module Self_Hashcons = struct type nonrec t = t - type u = Constant.t -> Constant.t + type u = Repr.t -> Repr.t let hashcons hc (c,b) = (hc c,b) let eq ((c,b) as x) ((c',b') as y) = x == y || (c == c' && b == b') @@ -887,56 +896,127 @@ struct module HashProjection = Hashcons.Make(Self_Hashcons) - let hcons = Hashcons.simple_hcons HashProjection.generate HashProjection.hcons hcons_con + let hcons = Hashcons.simple_hcons HashProjection.generate HashProjection.hcons Repr.hcons let compare (c, b) (c', b') = - if b == b' then Constant.CanOrd.compare c c' + if b == b' then Repr.compare c c' else if b then 1 else -1 let map f (c, b as x) = - let c' = f c in - if c' == c then x else (c', b) + let c' = Repr.map f c in + if c' == c then x else (c', b) + + let map_npars f (c, b as x) = + let c' = Repr.map_npars f c in + if c' == c then x else (c', b) let to_string p = Constant.to_string (constant p) let print p = Constant.print (constant p) end -type projection = Projection.t - -let constant_of_kn = Constant.make1 -let constant_of_kn_equiv = Constant.make -let make_con = Constant.make3 -let repr_con = Constant.repr3 -let canonical_con = Constant.canonical -let user_con = Constant.user -let con_label = Constant.label -let con_modpath = Constant.modpath -let eq_constant = Constant.equal -let eq_constant_key = Constant.UserOrd.equal -let con_ord = Constant.CanOrd.compare -let con_user_ord = Constant.UserOrd.compare -let string_of_con = Constant.to_string -let pr_con = Constant.print -let debug_string_of_con = Constant.debug_to_string -let debug_pr_con = Constant.debug_print -let con_with_label = Constant.change_label - -(** Compatibility layer for [MutInd] *) - -type mutual_inductive = MutInd.t -let mind_of_kn = MutInd.make1 -let mind_of_kn_equiv = MutInd.make -let make_mind = MutInd.make3 -let canonical_mind = MutInd.canonical -let user_mind = MutInd.user -let repr_mind = MutInd.repr3 -let mind_label = MutInd.label -let mind_modpath = MutInd.modpath -let eq_mind = MutInd.equal -let mind_ord = MutInd.CanOrd.compare -let mind_user_ord = MutInd.UserOrd.compare -let string_of_mind = MutInd.to_string -let pr_mind = MutInd.print -let debug_string_of_mind = MutInd.debug_to_string -let debug_pr_mind = MutInd.debug_print +module GlobRefInternal = struct + + type t = + | VarRef of variable (** A reference to the section-context. *) + | ConstRef of Constant.t (** A reference to the environment. *) + | IndRef of inductive (** A reference to an inductive type. *) + | ConstructRef of constructor (** A reference to a constructor of an inductive type. *) + + let equal gr1 gr2 = + gr1 == gr2 || match gr1,gr2 with + | ConstRef con1, ConstRef con2 -> Constant.equal con1 con2 + | IndRef kn1, IndRef kn2 -> eq_ind kn1 kn2 + | ConstructRef kn1, ConstructRef kn2 -> eq_constructor kn1 kn2 + | VarRef v1, VarRef v2 -> Id.equal v1 v2 + | (ConstRef _ | IndRef _ | ConstructRef _ | VarRef _), _ -> false + + let global_eq_gen eq_cst eq_ind eq_cons x y = + x == y || + match x, y with + | ConstRef cx, ConstRef cy -> eq_cst cx cy + | IndRef indx, IndRef indy -> eq_ind indx indy + | ConstructRef consx, ConstructRef consy -> eq_cons consx consy + | VarRef v1, VarRef v2 -> Id.equal v1 v2 + | (VarRef _ | ConstRef _ | IndRef _ | ConstructRef _), _ -> false + + let global_ord_gen ord_cst ord_ind ord_cons x y = + if x == y then 0 + else match x, y with + | VarRef v1, VarRef v2 -> Id.compare v1 v2 + | VarRef _, _ -> -1 + | _, VarRef _ -> 1 + | ConstRef cx, ConstRef cy -> ord_cst cx cy + | ConstRef _, _ -> -1 + | _, ConstRef _ -> 1 + | IndRef indx, IndRef indy -> ord_ind indx indy + | IndRef _, _ -> -1 + | _ , IndRef _ -> 1 + | ConstructRef consx, ConstructRef consy -> ord_cons consx consy + + let global_hash_gen hash_cst hash_ind hash_cons gr = + let open Hashset.Combine in + match gr with + | ConstRef c -> combinesmall 1 (hash_cst c) + | IndRef i -> combinesmall 2 (hash_ind i) + | ConstructRef c -> combinesmall 3 (hash_cons c) + | VarRef id -> combinesmall 4 (Id.hash id) + +end + +module GlobRef = struct + + type t = GlobRefInternal.t = + | VarRef of variable (** A reference to the section-context. *) + | ConstRef of Constant.t (** A reference to the environment. *) + | IndRef of inductive (** A reference to an inductive type. *) + | ConstructRef of constructor (** A reference to a constructor of an inductive type. *) + + let equal = GlobRefInternal.equal + + (* By default, [global_reference] are ordered on their canonical part *) + + module Ordered = struct + open Constant.CanOrd + type t = GlobRefInternal.t + let compare gr1 gr2 = + GlobRefInternal.global_ord_gen compare ind_ord constructor_ord gr1 gr2 + let equal gr1 gr2 = GlobRefInternal.global_eq_gen equal eq_ind eq_constructor gr1 gr2 + let hash gr = GlobRefInternal.global_hash_gen hash ind_hash constructor_hash gr + end + + module Ordered_env = struct + open Constant.UserOrd + type t = GlobRefInternal.t + let compare gr1 gr2 = + GlobRefInternal.global_ord_gen compare ind_user_ord constructor_user_ord gr1 gr2 + let equal gr1 gr2 = + GlobRefInternal.global_eq_gen equal eq_user_ind eq_user_constructor gr1 gr2 + let hash gr = GlobRefInternal.global_hash_gen hash ind_user_hash constructor_user_hash gr + end + + module Map = HMap.Make(Ordered) + module Set = Map.Set + + (* Alternative sets and maps indexed by the user part of the kernel names *) + + module Map_env = HMap.Make(Ordered_env) + module Set_env = Map_env.Set + +end + +type evaluable_global_reference = + | EvalVarRef of Id.t + | EvalConstRef of Constant.t + +(* Better to have it here that in closure, since used in grammar.cma *) +let eq_egr e1 e2 = match e1, e2 with + EvalConstRef con1, EvalConstRef con2 -> Constant.equal con1 con2 + | EvalVarRef id1, EvalVarRef id2 -> Id.equal id1 id2 + | _, _ -> false + +(** Located identifiers and objects with syntax. *) + +type lident = Id.t CAst.t +type lname = Name.t CAst.t +type lstring = string CAst.t diff --git a/kernel/names.mli b/kernel/names.mli index ffd96781b3..350db871d5 100644 --- a/kernel/names.mli +++ b/kernel/names.mli @@ -274,9 +274,11 @@ sig type t (** Constructor and destructor *) - val make : ModPath.t -> DirPath.t -> Label.t -> t + val make : ModPath.t -> Label.t -> t + val repr : t -> ModPath.t * Label.t + val make2 : ModPath.t -> Label.t -> t - val repr : t -> ModPath.t * DirPath.t * Label.t + [@@ocaml.deprecated "Please use [KerName.make]"] (** Projections *) val modpath : t -> ModPath.t @@ -317,15 +319,12 @@ sig val make2 : ModPath.t -> Label.t -> t (** Shortcut for [(make1 (KerName.make2 ...))] *) - val make3 : ModPath.t -> DirPath.t -> Label.t -> t - (** Shortcut for [(make1 (KerName.make ...))] *) - (** Projections *) val user : t -> KerName.t val canonical : t -> KerName.t - val repr3 : t -> ModPath.t * DirPath.t * Label.t + val repr2 : t -> ModPath.t * Label.t (** Shortcut for [KerName.repr (user ...)] *) val modpath : t -> ModPath.t @@ -403,15 +402,12 @@ sig val make2 : ModPath.t -> Label.t -> t (** Shortcut for [(make1 (KerName.make2 ...))] *) - val make3 : ModPath.t -> DirPath.t -> Label.t -> t - (** Shortcut for [(make1 (KerName.make ...))] *) - (** Projections *) val user : t -> KerName.t val canonical : t -> KerName.t - val repr3 : t -> ModPath.t * DirPath.t * Label.t + val repr2 : t -> ModPath.t * Label.t (** Shortcut for [KerName.repr (user ...)] *) val modpath : t -> ModPath.t @@ -500,21 +496,6 @@ val constructor_user_hash : constructor -> int val constructor_syntactic_ord : constructor -> constructor -> int val constructor_syntactic_hash : constructor -> int -(** {6 Global reference is a kernel side type for all references together } *) -type global_reference = - | VarRef of variable (** A reference to the section-context. *) - | ConstRef of Constant.t (** A reference to the environment. *) - | IndRef of inductive (** A reference to an inductive type. *) - | ConstructRef of constructor (** A reference to a constructor of an inductive type. *) - -(** Better to have it here that in Closure, since required in grammar.cma *) -type evaluable_global_reference = - | EvalVarRef of Id.t - | EvalConstRef of Constant.t - -val eq_egr : evaluable_global_reference -> evaluable_global_reference - -> bool - (** {6 Hash-consing } *) val hcons_con : Constant.t -> Constant.t @@ -529,14 +510,6 @@ type 'a tableKey = | VarKey of Id.t | RelKey of Int.t -(** Sets of names *) -type transparent_state = Id.Pred.t * Cpred.t - -val empty_transparent_state : transparent_state -val full_transparent_state : transparent_state -val var_full_transparent_state : transparent_state -val cst_full_transparent_state : transparent_state - type inv_rel_key = int (** index in the [rel_context] part of environment starting by the end, {e inverse} of de Bruijn indice *) @@ -546,121 +519,8 @@ val eq_constant_key : Constant.t -> Constant.t -> bool (** equalities on constant and inductive names (for the checker) *) -val eq_con_chk : Constant.t -> Constant.t -> bool val eq_ind_chk : inductive -> inductive -> bool -(** {6 Deprecated functions. For backward compatibility.} *) - -(** {5 Identifiers} *) - -type identifier = Id.t -[@@ocaml.deprecated "Alias for [Id.t]"] - -val string_of_id : Id.t -> string -[@@ocaml.deprecated "Same as [Id.to_string]."] - -val id_of_string : string -> Id.t -[@@ocaml.deprecated "Same as [Id.of_string]."] - -val id_ord : Id.t -> Id.t -> int -[@@ocaml.deprecated "Same as [Id.compare]."] - -val id_eq : Id.t -> Id.t -> bool -[@@ocaml.deprecated "Same as [Id.equal]."] - -module Idset : Set.S with type elt = Id.t and type t = Id.Set.t -[@@ocaml.deprecated "Same as [Id.Set]."] - -module Idpred : Predicate.S with type elt = Id.t and type t = Id.Pred.t -[@@ocaml.deprecated "Same as [Id.Pred]."] - -module Idmap : module type of Id.Map -[@@ocaml.deprecated "Same as [Id.Map]."] - -(** {5 Directory paths} *) - -type dir_path = DirPath.t -[@@ocaml.deprecated "Alias for [DirPath.t]."] - -val dir_path_ord : DirPath.t -> DirPath.t -> int -[@@ocaml.deprecated "Same as [DirPath.compare]."] - -val dir_path_eq : DirPath.t -> DirPath.t -> bool -[@@ocaml.deprecated "Same as [DirPath.equal]."] - -val make_dirpath : module_ident list -> DirPath.t -[@@ocaml.deprecated "Same as [DirPath.make]."] - -val repr_dirpath : DirPath.t -> module_ident list -[@@ocaml.deprecated "Same as [DirPath.repr]."] - -val empty_dirpath : DirPath.t -[@@ocaml.deprecated "Same as [DirPath.empty]."] - -val is_empty_dirpath : DirPath.t -> bool -[@@ocaml.deprecated "Same as [DirPath.is_empty]."] - -val string_of_dirpath : DirPath.t -> string -[@@ocaml.deprecated "Same as [DirPath.to_string]."] - -val initial_dir : DirPath.t -[@@ocaml.deprecated "Same as [DirPath.initial]."] - -(** {5 Labels} *) - -type label = Label.t -[@@ocaml.deprecated "Same as [Label.t]."] -(** Alias type *) - -val mk_label : string -> Label.t -[@@ocaml.deprecated "Same as [Label.make]."] - -val string_of_label : Label.t -> string -[@@ocaml.deprecated "Same as [Label.to_string]."] - -val pr_label : Label.t -> Pp.t -[@@ocaml.deprecated "Same as [Label.print]."] - -val label_of_id : Id.t -> Label.t -[@@ocaml.deprecated "Same as [Label.of_id]."] - -val id_of_label : Label.t -> Id.t -[@@ocaml.deprecated "Same as [Label.to_id]."] - -val eq_label : Label.t -> Label.t -> bool -[@@ocaml.deprecated "Same as [Label.equal]."] - -(** {5 Unique bound module names} *) - -type mod_bound_id = MBId.t -(** Alias type. *) - -val mod_bound_id_ord : mod_bound_id -> mod_bound_id -> int -[@@ocaml.deprecated "Same as [MBId.compare]."] - -val mod_bound_id_eq : mod_bound_id -> mod_bound_id -> bool -[@@ocaml.deprecated "Same as [MBId.equal]."] - -val make_mbid : DirPath.t -> Id.t -> mod_bound_id -[@@ocaml.deprecated "Same as [MBId.make]."] - -val repr_mbid : mod_bound_id -> int * Id.t * DirPath.t -[@@ocaml.deprecated "Same as [MBId.repr]."] - -val id_of_mbid : mod_bound_id -> Id.t -[@@ocaml.deprecated "Same as [MBId.to_id]."] - -val string_of_mbid : mod_bound_id -> string -[@@ocaml.deprecated "Same as [MBId.to_string]."] - -val debug_string_of_mbid : mod_bound_id -> string -[@@ocaml.deprecated "Same as [MBId.debug_to_string]."] - -(** {5 Names} *) - -val name_eq : Name.t -> Name.t -> bool -[@@ocaml.deprecated "Same as [Name.equal]."] - (** {5 Module paths} *) type module_path = ModPath.t = @@ -669,64 +529,69 @@ type module_path = ModPath.t = | MPdot of ModPath.t * Label.t [@@ocaml.deprecated "Alias type"] -val mp_ord : ModPath.t -> ModPath.t -> int -[@@ocaml.deprecated "Same as [ModPath.compare]."] - -val mp_eq : ModPath.t -> ModPath.t -> bool -[@@ocaml.deprecated "Same as [ModPath.equal]."] - -val check_bound_mp : ModPath.t -> bool -[@@ocaml.deprecated "Same as [ModPath.is_bound]."] - -val string_of_mp : ModPath.t -> string -[@@ocaml.deprecated "Same as [ModPath.to_string]."] - -val initial_path : ModPath.t -[@@ocaml.deprecated "Same as [ModPath.initial]."] - -(** {5 Kernel names} *) - -type kernel_name = KerName.t -[@@ocaml.deprecated "Alias type"] - -val make_kn : ModPath.t -> DirPath.t -> Label.t -> KerName.t -[@@ocaml.deprecated "Same as [KerName.make]."] - -val repr_kn : KerName.t -> ModPath.t * DirPath.t * Label.t -[@@ocaml.deprecated "Same as [KerName.repr]."] - -val modpath : KerName.t -> ModPath.t -[@@ocaml.deprecated "Same as [KerName.modpath]."] - -val label : KerName.t -> Label.t -[@@ocaml.deprecated "Same as [KerName.label]."] - -val string_of_kn : KerName.t -> string -[@@ocaml.deprecated "Same as [KerName.to_string]."] - -val pr_kn : KerName.t -> Pp.t -[@@ocaml.deprecated "Same as [KerName.print]."] - -val kn_ord : KerName.t -> KerName.t -> int -[@@ocaml.deprecated "Same as [KerName.compare]."] +module Projection : sig + module Repr : sig + type t + + val make : inductive -> proj_npars:int -> proj_arg:int -> Label.t -> t + + module SyntacticOrd : sig + val compare : t -> t -> int + val equal : t -> t -> bool + val hash : t -> int + end + module CanOrd : sig + val compare : t -> t -> int + val equal : t -> t -> bool + val hash : t -> int + end + module UserOrd : sig + val compare : t -> t -> int + val equal : t -> t -> bool + val hash : t -> int + end + + val constant : t -> Constant.t + (** Don't use this if you don't have to. *) + + val inductive : t -> inductive + val mind : t -> MutInd.t + val npars : t -> int + val arg : t -> int + val label : t -> Label.t -(** {5 Constant names} *) + val equal : t -> t -> bool + val hash : t -> int + val compare : t -> t -> int -type constant = Constant.t -[@@ocaml.deprecated "Alias type"] + val map : (MutInd.t -> MutInd.t) -> t -> t + val map_npars : (MutInd.t -> int -> MutInd.t * int) -> t -> t -module Projection : sig - type t + val print : t -> Pp.t + val to_string : t -> string + end + type t (* = Repr.t * bool *) - val make : Constant.t -> bool -> t + val make : Repr.t -> bool -> t + val repr : t -> Repr.t module SyntacticOrd : sig val compare : t -> t -> int val equal : t -> t -> bool val hash : t -> int end + module CanOrd : sig + val compare : t -> t -> int + val equal : t -> t -> bool + val hash : t -> int + end val constant : t -> Constant.t + val mind : t -> MutInd.t + val inductive : t -> inductive + val npars : t -> int + val arg : t -> int + val label : t -> Label.t val unfolded : t -> bool val unfold : t -> t @@ -735,111 +600,66 @@ module Projection : sig val hcons : t -> t (** Hashconsing of projections. *) + val repr_equal : t -> t -> bool + (** Ignoring the unfolding boolean. *) + val compare : t -> t -> int - val map : (Constant.t -> Constant.t) -> t -> t + val map : (MutInd.t -> MutInd.t) -> t -> t + val map_npars : (MutInd.t -> int -> MutInd.t * int) -> t -> t val to_string : t -> string val print : t -> Pp.t end -type projection = Projection.t - -val constant_of_kn_equiv : KerName.t -> KerName.t -> Constant.t -[@@ocaml.deprecated "Same as [Constant.make]"] - -val constant_of_kn : KerName.t -> Constant.t -[@@ocaml.deprecated "Same as [Constant.make1]"] - -val make_con : ModPath.t -> DirPath.t -> Label.t -> Constant.t -[@@ocaml.deprecated "Same as [Constant.make3]"] - -val repr_con : Constant.t -> ModPath.t * DirPath.t * Label.t -[@@ocaml.deprecated "Same as [Constant.repr3]"] - -val user_con : Constant.t -> KerName.t -[@@ocaml.deprecated "Same as [Constant.user]"] - -val canonical_con : Constant.t -> KerName.t -[@@ocaml.deprecated "Same as [Constant.canonical]"] - -val con_modpath : Constant.t -> ModPath.t -[@@ocaml.deprecated "Same as [Constant.modpath]"] - -val con_label : Constant.t -> Label.t -[@@ocaml.deprecated "Same as [Constant.label]"] - -val eq_constant : Constant.t -> Constant.t -> bool -[@@ocaml.deprecated "Same as [Constant.equal]"] - -val con_ord : Constant.t -> Constant.t -> int -[@@ocaml.deprecated "Same as [Constant.CanOrd.compare]"] - -val con_user_ord : Constant.t -> Constant.t -> int -[@@ocaml.deprecated "Same as [Constant.UserOrd.compare]"] - -val con_with_label : Constant.t -> Label.t -> Constant.t -[@@ocaml.deprecated "Same as [Constant.change_label]"] - -val string_of_con : Constant.t -> string -[@@ocaml.deprecated "Same as [Constant.to_string]"] - -val pr_con : Constant.t -> Pp.t -[@@ocaml.deprecated "Same as [Constant.print]"] - -val debug_pr_con : Constant.t -> Pp.t -[@@ocaml.deprecated "Same as [Constant.debug_print]"] - -val debug_string_of_con : Constant.t -> string -[@@ocaml.deprecated "Same as [Constant.debug_to_string]"] - -(** {5 Mutual Inductive names} *) - -type mutual_inductive = MutInd.t -[@@ocaml.deprecated "Alias type"] - -val mind_of_kn : KerName.t -> MutInd.t -[@@ocaml.deprecated "Same as [MutInd.make1]"] - -val mind_of_kn_equiv : KerName.t -> KerName.t -> MutInd.t -[@@ocaml.deprecated "Same as [MutInd.make]"] - -val make_mind : ModPath.t -> DirPath.t -> Label.t -> MutInd.t -[@@ocaml.deprecated "Same as [MutInd.make3]"] +(** {6 Global reference is a kernel side type for all references together } *) -val user_mind : MutInd.t -> KerName.t -[@@ocaml.deprecated "Same as [MutInd.user]"] +(* XXX: Should we define GlobRefCan GlobRefUser? *) +module GlobRef : sig -val canonical_mind : MutInd.t -> KerName.t -[@@ocaml.deprecated "Same as [MutInd.canonical]"] + type t = + | VarRef of variable (** A reference to the section-context. *) + | ConstRef of Constant.t (** A reference to the environment. *) + | IndRef of inductive (** A reference to an inductive type. *) + | ConstructRef of constructor (** A reference to a constructor of an inductive type. *) -val repr_mind : MutInd.t -> ModPath.t * DirPath.t * Label.t -[@@ocaml.deprecated "Same as [MutInd.repr3]"] + val equal : t -> t -> bool -val eq_mind : MutInd.t -> MutInd.t -> bool -[@@ocaml.deprecated "Same as [MutInd.equal]"] + module Ordered : sig + type nonrec t = t + val compare : t -> t -> int + val equal : t -> t -> bool + val hash : t -> int + end -val mind_ord : MutInd.t -> MutInd.t -> int -[@@ocaml.deprecated "Same as [MutInd.CanOrd.compare]"] + module Ordered_env : sig + type nonrec t = t + val compare : t -> t -> int + val equal : t -> t -> bool + val hash : t -> int + end -val mind_user_ord : MutInd.t -> MutInd.t -> int -[@@ocaml.deprecated "Same as [MutInd.UserOrd.compare]"] + module Set_env : CSig.SetS with type elt = t + module Map_env : Map.ExtS + with type key = t and module Set := Set_env -val mind_label : MutInd.t -> Label.t -[@@ocaml.deprecated "Same as [MutInd.label]"] + module Set : CSig.SetS with type elt = t + module Map : Map.ExtS + with type key = t and module Set := Set -val mind_modpath : MutInd.t -> ModPath.t -[@@ocaml.deprecated "Same as [MutInd.modpath]"] +end -val string_of_mind : MutInd.t -> string -[@@ocaml.deprecated "Same as [MutInd.to_string]"] +(** Better to have it here that in Closure, since required in grammar.cma *) +(* XXX: Move to a module *) +type evaluable_global_reference = + | EvalVarRef of Id.t + | EvalConstRef of Constant.t -val pr_mind : MutInd.t -> Pp.t -[@@ocaml.deprecated "Same as [MutInd.print]"] +val eq_egr : evaluable_global_reference -> evaluable_global_reference -> bool -val debug_pr_mind : MutInd.t -> Pp.t -[@@ocaml.deprecated "Same as [MutInd.debug_print]"] +(** Located identifiers and objects with syntax. *) -val debug_string_of_mind : MutInd.t -> string -[@@ocaml.deprecated "Same as [MutInd.debug_to_string]"] +type lident = Id.t CAst.t +type lname = Name.t CAst.t +type lstring = string CAst.t diff --git a/kernel/nativecode.ml b/kernel/nativecode.ml index c82d982b4b..482a2f3a3c 100644 --- a/kernel/nativecode.ml +++ b/kernel/nativecode.ml @@ -16,7 +16,7 @@ open Util open Nativevalues open Nativeinstr open Nativelambda -open Pre_env +open Environ [@@@ocaml.warning "-32-37"] @@ -53,7 +53,7 @@ type gname = | Gind of string * inductive (* prefix, inductive name *) | Gconstruct of string * constructor (* prefix, constructor name *) | Gconstant of string * Constant.t (* prefix, constant name *) - | Gproj of string * Constant.t (* prefix, constant name *) + | Gproj of string * inductive * int (* prefix, inductive, index (start from 0) *) | Gcase of Label.t option * int | Gpred of Label.t option * int | Gfixtype of Label.t option * int @@ -71,6 +71,8 @@ let eq_gname gn1 gn2 = String.equal s1 s2 && eq_constructor c1 c2 | Gconstant (s1, c1), Gconstant (s2, c2) -> String.equal s1 s2 && Constant.equal c1 c2 + | Gproj (s1, ind1, i1), Gproj (s2, ind2, i2) -> + String.equal s1 s2 && eq_ind ind1 ind2 && Int.equal i1 i2 | Gcase (None, i1), Gcase (None, i2) -> Int.equal i1 i2 | Gcase (Some l1, i1), Gcase (Some l2, i2) -> Int.equal i1 i2 && Label.equal l1 l2 | Gpred (None, i1), Gpred (None, i2) -> Int.equal i1 i2 @@ -86,7 +88,9 @@ let eq_gname gn1 gn2 = | Ginternal s1, Ginternal s2 -> String.equal s1 s2 | Grel i1, Grel i2 -> Int.equal i1 i2 | Gnamed id1, Gnamed id2 -> Id.equal id1 id2 - | _ -> false + | (Gind _| Gconstruct _ | Gconstant _ | Gproj _ | Gcase _ | Gpred _ + | Gfixtype _ | Gnorm _ | Gnormtbl _ | Ginternal _ | Grel _ | Gnamed _), _ -> + false let dummy_gname = Grel 0 @@ -108,7 +112,7 @@ let gname_hash gn = match gn with | Ginternal s -> combinesmall 9 (String.hash s) | Grel i -> combinesmall 10 (Int.hash i) | Gnamed id -> combinesmall 11 (Id.hash id) -| Gproj (s, p) -> combinesmall 12 (combine (String.hash s) (Constant.hash p)) +| Gproj (s, p, i) -> combinesmall 12 (combine (String.hash s) (combine (ind_hash p) i)) let case_ctr = ref (-1) @@ -152,6 +156,7 @@ type symbol = | SymbMeta of metavariable | SymbEvar of Evar.t | SymbLevel of Univ.Level.t + | SymbProj of (inductive * int) let dummy_symb = SymbValue (dummy_value ()) @@ -166,6 +171,7 @@ let eq_symbol sy1 sy2 = | SymbMeta m1, SymbMeta m2 -> Int.equal m1 m2 | SymbEvar evk1, SymbEvar evk2 -> Evar.equal evk1 evk2 | SymbLevel l1, SymbLevel l2 -> Univ.Level.equal l1 l2 + | SymbProj (i1, k1), SymbProj (i2, k2) -> eq_ind i1 i2 && Int.equal k1 k2 | _, _ -> false let hash_symbol symb = @@ -179,6 +185,7 @@ let hash_symbol symb = | SymbMeta m -> combinesmall 7 m | SymbEvar evk -> combinesmall 8 (Evar.hash evk) | SymbLevel l -> combinesmall 9 (Univ.Level.hash l) + | SymbProj (i, k) -> combinesmall 10 (combine (ind_hash i) k) module HashedTypeSymbol = struct type t = symbol @@ -241,6 +248,11 @@ let get_level tbl i = | SymbLevel u -> u | _ -> anomaly (Pp.str "get_level failed.") +let get_proj tbl i = + match tbl.(i) with + | SymbProj p -> p + | _ -> anomaly (Pp.str "get_proj failed.") + let push_symbol x = try HashtblSymbol.find symb_tbl x with Not_found -> @@ -266,7 +278,6 @@ type primitive = | Mk_rel of int | Mk_var of Id.t | Mk_proj - | Is_accu | Is_int | Cast_accu | Upd_cofix @@ -307,7 +318,6 @@ let eq_primitive p1 p2 = | Mk_cofix i1, Mk_cofix i2 -> Int.equal i1 i2 | Mk_rel i1, Mk_rel i2 -> Int.equal i1 i2 | Mk_var id1, Mk_var id2 -> Id.equal id1 id2 - | Is_accu, Is_accu -> true | Cast_accu, Cast_accu -> true | Upd_cofix, Upd_cofix -> true | Force_cofix, Force_cofix -> true @@ -333,7 +343,6 @@ let primitive_hash = function combinesmall 8 (Int.hash i) | Mk_var id -> combinesmall 9 (Id.hash id) - | Is_accu -> 10 | Is_int -> 11 | Cast_accu -> 12 | Upd_cofix -> 13 @@ -384,6 +393,7 @@ type mllambda = | MLsetref of string * mllambda | MLsequence of mllambda * mllambda | MLarray of mllambda array + | MLisaccu of string * inductive * mllambda and mllam_branches = ((constructor * lname option array) list * mllambda) array @@ -455,7 +465,12 @@ let rec eq_mllambda gn1 gn2 n env1 env2 t1 t2 = | MLarray arr1, MLarray arr2 -> Array.equal (eq_mllambda gn1 gn2 n env1 env2) arr1 arr2 - | _, _ -> false + | MLisaccu (s1, ind1, ml1), MLisaccu (s2, ind2, ml2) -> + String.equal s1 s2 && eq_ind ind1 ind2 && + eq_mllambda gn1 gn2 n env1 env2 ml1 ml2 + | (MLlocal _ | MLglobal _ | MLprimitive _ | MLlam _ | MLletrec _ | MLlet _ | + MLapp _ | MLif _ | MLmatch _ | MLconstruct _ | MLint _ | MLuint _ | + MLsetref _ | MLsequence _ | MLarray _ | MLisaccu _), _ -> false and eq_letrec gn1 gn2 n env1 env2 defs1 defs2 = let eq_def (_,args1,ml1) (_,args2,ml2) = @@ -530,6 +545,8 @@ let rec hash_mllambda gn n env t = combinesmall 14 (combine hml hml') | MLarray arr -> combinesmall 15 (hash_mllambda_array gn n env 1 arr) + | MLisaccu (s, ind, c) -> + combinesmall 16 (combine (String.hash s) (combine (ind_hash ind) (hash_mllambda gn n env c))) and hash_mllambda_letrec gn n env init defs = let hash_def (_,args,ml) = @@ -596,6 +613,7 @@ let fv_lam l = | MLsetref(_,l) -> aux l bind fv | MLsequence(l1,l2) -> aux l1 bind (aux l2 bind fv) | MLarray arr -> Array.fold_right (fun a fv -> aux a bind fv) arr fv + | MLisaccu (_, _, body) -> aux body bind fv in aux l LNset.empty LNset.empty @@ -614,6 +632,14 @@ let mkMLapp f args = | MLapp(f,args') -> MLapp(f,Array.append args' args) | _ -> MLapp(f,args) +let mkForceCofix prefix ind arg = + let name = fresh_lname Anonymous in + MLlet (name, arg, + MLif ( + MLisaccu (prefix, ind, MLlocal name), + MLapp (MLprimitive Force_cofix, [|MLlocal name|]), + MLlocal name)) + let empty_params = [||] let decompose_MLlam c = @@ -885,6 +911,10 @@ let get_level_code i = MLapp (MLglobal (Ginternal "get_level"), [|MLglobal symbols_tbl_name; MLint i|]) +let get_proj_code i = + MLapp (MLglobal (Ginternal "get_proj"), + [|MLglobal symbols_tbl_name; MLint i|]) + type rlist = | Rnil | Rcons of (constructor * lname option array) list ref * LNset.t * mllambda * rlist' @@ -977,7 +1007,7 @@ let compile_prim decl cond paux = *) let rec opt_prim_aux paux = match paux with - | PAprim(prefix, kn, op, args) -> + | PAprim(_prefix, _kn, op, args) -> let args = Array.map opt_prim_aux args in app_prim (Coq_primitive(op,None)) args (* @@ -1041,16 +1071,15 @@ let ml_of_instance instance u = match t with | Lrel(id ,i) -> get_rel env id i | Lvar id -> get_var env id - | Lmeta(mv,ty) -> + | Lmeta(mv,_ty) -> let tyn = fresh_lname Anonymous in let i = push_symbol (SymbMeta mv) in MLapp(MLprimitive Mk_meta, [|get_meta_code i; MLlocal tyn|]) - | Levar(evk,ty,args) -> - let tyn = fresh_lname Anonymous in + | Levar(evk, args) -> let i = push_symbol (SymbEvar evk) in + (** Arguments are *not* reversed in evar instances in native compilation *) let args = MLarray(Array.map (ml_of_lam env l) args) in - MLlet(tyn, ml_of_lam env l ty, - MLapp(MLprimitive Mk_evar, [|get_evar_code i;MLlocal tyn; args|])) + MLapp(MLprimitive Mk_evar, [|get_evar_code i; args|]) | Lprod(dom,codom) -> let dom = ml_of_lam env l dom in let codom = ml_of_lam env l codom in @@ -1070,7 +1099,7 @@ let ml_of_instance instance u = | Lconst (prefix, (c, u)) -> let args = ml_of_instance env.env_univ u in mkMLapp (MLglobal(Gconstant (prefix, c))) args - | Lproj (prefix,c) -> MLglobal(Gproj (prefix,c)) + | Lproj (prefix, ind, i) -> MLglobal(Gproj (prefix, ind, i)) | Lprim _ -> let decl,cond,paux = extract_prim (ml_of_lam env l) t in compile_prim decl cond paux @@ -1122,11 +1151,11 @@ let ml_of_instance instance u = let arg = ml_of_lam env l a in let force = if annot.asw_finite then arg - else MLapp(MLprimitive Force_cofix, [|arg|]) in + else mkForceCofix annot.asw_prefix annot.asw_ind arg in mkMLapp (MLapp (MLglobal cn, fv_args env fvn fvr)) [|force|] | Lif(t,bt,bf) -> MLif(ml_of_lam env l t, ml_of_lam env l bt, ml_of_lam env l bf) - | Lfix ((rec_pos,start), (ids, tt, tb)) -> + | Lfix ((rec_pos, inds, start), (ids, tt, tb)) -> (* let type_f fvt = [| type fix |] let norm_f1 fv f1 .. fn params1 = body1 .. @@ -1155,7 +1184,7 @@ let ml_of_instance instance u = let lf,env_n = push_rels (empty_env env.env_univ ()) ids in let t_params = Array.make ndef [||] in let t_norm_f = Array.make ndef (Gnorm (l,-1)) in - let mk_let envi (id,def) t = MLlet (id,def,t) in + let mk_let _envi (id,def) t = MLlet (id,def,t) in let mk_lam_or_let (params,lets,env) (id,def) = let ln,env' = push_rel env id in match def with @@ -1188,15 +1217,16 @@ let ml_of_instance instance u = (Array.map (fun g -> mkMLapp (MLglobal g) fv_args') t_norm_f) in (* Compilation of fix *) let fv_args = fv_args env fvn fvr in - let lf, env = push_rels env ids in + let lf, _env = push_rels env ids in let lf_args = Array.map (fun id -> MLlocal id) lf in let mk_norm = MLapp(MLglobal norm, fv_args) in let mkrec i lname = let paramsi = t_params.(i) in let reci = MLlocal (paramsi.(rec_pos.(i))) in let pargsi = Array.map (fun id -> MLlocal id) paramsi in + let (prefix, ind) = inds.(i) in let body = - MLif(MLapp(MLprimitive Is_accu,[|reci|]), + MLif(MLisaccu (prefix, ind, reci), mkMLapp (MLapp(MLprimitive (Mk_fix(rec_pos,i)), [|mk_type; mk_norm|])) @@ -1242,9 +1272,9 @@ let ml_of_instance instance u = let mk_norm = MLapp(MLglobal norm, fv_args) in let lnorm = fresh_lname Anonymous in let ltype = fresh_lname Anonymous in - let lf, env = push_rels env ids in + let lf, _env = push_rels env ids in let lf_args = Array.map (fun id -> MLlocal id) lf in - let upd i lname cont = + let upd i _lname cont = let paramsi = t_params.(i) in let pargsi = Array.map (fun id -> MLlocal id) paramsi in let uniti = fresh_lname Anonymous in @@ -1275,7 +1305,7 @@ let ml_of_instance instance u = (lname, paramsi, body) in MLletrec(Array.mapi mkrec lf, lf_args.(start)) *) - | Lmakeblock (prefix,(cn,u),_,args) -> + | Lmakeblock (prefix,(cn,_u),_,args) -> let args = Array.map (ml_of_lam env l) args in MLconstruct(prefix,cn,args) | Lconstruct (prefix, (cn,u)) -> @@ -1358,6 +1388,7 @@ let subst s l = | MLsetref(s,l1) -> MLsetref(s,aux l1) | MLsequence(l1,l2) -> MLsequence(aux l1, aux l2) | MLarray arr -> MLarray (Array.map aux arr) + | MLisaccu (s, ind, l) -> MLisaccu (s, ind, aux l) in aux l @@ -1455,7 +1486,7 @@ let optimize gdef l = let b1 = optimize s b1 in let b2 = optimize s b2 in begin match t, b2 with - | MLapp(MLprimitive Is_accu,[| l1 |]), MLmatch(annot, l2, _, bs) + | MLisaccu (_, _, l1), MLmatch(annot, l2, _, bs) when eq_mllambda l1 l2 -> MLmatch(annot, l1, b1, bs) | _, _ -> MLif(t, b1, b2) end @@ -1467,6 +1498,7 @@ let optimize gdef l = | MLsetref(r,l) -> MLsetref(r, optimize s l) | MLsequence(l1,l2) -> MLsequence(optimize s l1, optimize s l2) | MLarray arr -> MLarray (Array.map (optimize s) arr) + | MLisaccu (pf, ind, l) -> MLisaccu (pf, ind, optimize s l) in optimize LNmap.empty l @@ -1529,7 +1561,7 @@ let rec list_of_mp acc = function let list_of_mp mp = list_of_mp [] mp let string_of_kn kn = - let (mp,dp,l) = KerName.repr kn in + let (mp,l) = KerName.repr kn in let mp = list_of_mp mp in String.concat "_" mp ^ "_" ^ string_of_label l @@ -1544,8 +1576,8 @@ let string_of_gname g = Format.sprintf "%sconstruct_%s_%i_%i" prefix (string_of_mind mind) i (j-1) | Gconstant (prefix, c) -> Format.sprintf "%sconst_%s" prefix (string_of_con c) - | Gproj (prefix, c) -> - Format.sprintf "%sproj_%s" prefix (string_of_con c) + | Gproj (prefix, (mind, n), i) -> + Format.sprintf "%sproj_%s_%i_%i" prefix (string_of_mind mind) n i | Gcase (l,i) -> Format.sprintf "case_%s_%i" (string_of_label_def l) i | Gpred (l,i) -> @@ -1629,19 +1661,23 @@ let pp_mllam fmt l = pp_mllam fmt arr.(len-1) end; Format.fprintf fmt "|]@]" - + | MLisaccu (prefix, (mind, i), c) -> + let accu = Format.sprintf "%sAccu_%s_%i" prefix (string_of_mind mind) i in + Format.fprintf fmt + "@[begin match Obj.magic (%a) with@\n| %s _ ->@\n true@\n| _ ->@\n false@\nend@]" + pp_mllam c accu and pp_letrec fmt defs = let len = Array.length defs in - let pp_one_rec i (fn, argsn, body) = + let pp_one_rec (fn, argsn, body) = Format.fprintf fmt "%a%a =@\n %a" pp_lname fn pp_ldecls argsn pp_mllam body in Format.fprintf fmt "@[let rec "; - pp_one_rec 0 defs.(0); + pp_one_rec defs.(0); for i = 1 to len - 1 do Format.fprintf fmt "@\nand "; - pp_one_rec i defs.(i) + pp_one_rec defs.(i) done; and pp_blam fmt l = @@ -1720,9 +1756,8 @@ let pp_mllam fmt l = | Mk_cofix(start) -> Format.fprintf fmt "mk_cofix_accu %i" start | Mk_rel i -> Format.fprintf fmt "mk_rel_accu %i" i | Mk_var id -> - Format.fprintf fmt "mk_var_accu (Names.id_of_string \"%s\")" (string_of_id id) + Format.fprintf fmt "mk_var_accu (Names.Id.of_string \"%s\")" (string_of_id id) | Mk_proj -> Format.fprintf fmt "mk_proj_accu" - | Is_accu -> Format.fprintf fmt "is_accu" | Is_int -> Format.fprintf fmt "is_int" | Cast_accu -> Format.fprintf fmt "cast_accu" | Upd_cofix -> Format.fprintf fmt "upd_cofix" @@ -1829,7 +1864,7 @@ and apply_fv env sigma univ (fv_named,fv_rel) auxdefs ml = in let auxdefs = List.fold_right get_rel_val fv_rel auxdefs in let auxdefs = List.fold_right get_named_val fv_named auxdefs in - let lvl = Context.Rel.length env.env_rel_context.env_rel_ctx in + let lvl = Context.Rel.length (rel_context env) in let fv_rel = List.map (fun (n,_) -> MLglobal (Grel (lvl-n))) fv_rel in let fv_named = List.map (fun (id,_) -> MLglobal (Gnamed id)) fv_named in let aux_name = fresh_lname Anonymous in @@ -1837,8 +1872,8 @@ and apply_fv env sigma univ (fv_named,fv_rel) auxdefs ml = and compile_rel env sigma univ auxdefs n = let open Context.Rel.Declaration in - let decl = Pre_env.lookup_rel n env in - let n = List.length env.env_rel_context.env_rel_ctx - n in + let decl = lookup_rel n env in + let n = List.length (rel_context env) - n in match decl with | LocalDef (_,t,_) -> let code = lambda_of_constr env sigma t in @@ -1858,8 +1893,6 @@ and compile_named env sigma univ auxdefs id = Glet(Gnamed id, MLprimitive (Mk_var id))::auxdefs let compile_constant env sigma prefix ~interactive con cb = - match cb.const_proj with - | None -> let no_univs = match cb.const_universes with | Monomorphic_const _ -> true @@ -1870,7 +1903,7 @@ let compile_constant env sigma prefix ~interactive con cb = let t = Mod_subst.force_constr t in let code = lambda_of_constr env sigma t in if !Flags.debug then Feedback.msg_debug (Pp.str "Generated lambda code"); - let is_lazy = is_lazy prefix t in + let is_lazy = is_lazy env prefix t in let code = if is_lazy then mk_lazy code else code in let name = if interactive then LinkedInteractive prefix @@ -1903,38 +1936,6 @@ let compile_constant env sigma prefix ~interactive con cb = if interactive then LinkedInteractive prefix else Linked prefix end - | Some pb -> - let mind = pb.proj_ind in - let ind = (mind,0) in - let mib = lookup_mind mind env in - let oib = mib.mind_packets.(0) in - let tbl = oib.mind_reloc_tbl in - (* Building info *) - let prefix = get_mind_prefix env mind in - let ci = { ci_ind = ind; ci_npar = mib.mind_nparams; - ci_cstr_nargs = [|0|]; - ci_cstr_ndecls = [||] (*FIXME*); - ci_pp_info = { ind_tags = []; cstr_tags = [||] (*FIXME*); style = RegularStyle } } in - let asw = { asw_ind = ind; asw_prefix = prefix; asw_ci = ci; - asw_reloc = tbl; asw_finite = true } in - let c_uid = fresh_lname Anonymous in - let cf_uid = fresh_lname Anonymous in - let _, arity = tbl.(0) in - let ci_uid = fresh_lname Anonymous in - let cargs = Array.init arity - (fun i -> if Int.equal i pb.proj_arg then Some ci_uid else None) - in - let i = push_symbol (SymbConst con) in - let accu = MLapp (MLprimitive Cast_accu, [|MLlocal cf_uid|]) in - let accu_br = MLapp (MLprimitive Mk_proj, [|get_const_code i;accu|]) in - let code = MLmatch(asw,MLlocal cf_uid,accu_br,[|[((ind,1),cargs)],MLlocal ci_uid|]) in - let code = MLlet(cf_uid, MLapp (MLprimitive Force_cofix, [|MLlocal c_uid|]), code) in - let gn = Gproj ("",con) in - let fargs = Array.init (pb.proj_npars + 1) (fun _ -> fresh_lname Anonymous) in - let arg = fargs.(pb.proj_npars) in - Glet(Gconstant ("", con), mkMLlam fargs (MLapp (MLglobal gn, [|MLlocal - arg|]))):: - [Glet(gn, mkMLlam [|c_uid|] code)], Linked prefix module StringOrd = struct type t = string let compare = String.compare end module StringSet = Set.Make(StringOrd) @@ -1959,12 +1960,14 @@ let is_code_loaded ~interactive name = let param_name = Name (Id.of_string "params") let arg_name = Name (Id.of_string "arg") -let compile_mind prefix ~interactive mb mind stack = +let compile_mind mb mind stack = let u = Declareops.inductive_polymorphic_context mb in + (** Generate data for every block *) let f i stack ob = - let gtype = Gtype((mind, i), Array.map snd ob.mind_reloc_tbl) in - let j = push_symbol (SymbInd (mind,i)) in - let name = Gind ("", (mind, i)) in + let ind = (mind, i) in + let gtype = Gtype(ind, Array.map snd ob.mind_reloc_tbl) in + let j = push_symbol (SymbInd ind) in + let name = Gind ("", ind) in let accu = let args = if Int.equal (Univ.AUContext.size u) 0 then @@ -1978,12 +1981,43 @@ let compile_mind prefix ~interactive mb mind stack = Array.init nparams (fun i -> {lname = param_name; luid = i}) in let add_construct j acc (_,arity) = let args = Array.init arity (fun k -> {lname = arg_name; luid = k}) in - let c = (mind,i), (j+1) in + let c = ind, (j+1) in Glet(Gconstruct ("", c), mkMLlam (Array.append params args) (MLconstruct("", c, Array.map (fun id -> MLlocal id) args)))::acc in - Array.fold_left_i add_construct (gtype::accu::stack) ob.mind_reloc_tbl + let constructors = Array.fold_left_i add_construct [] ob.mind_reloc_tbl in + let add_proj proj_arg acc _pb = + let tbl = ob.mind_reloc_tbl in + (* Building info *) + let ci = { ci_ind = ind; ci_npar = nparams; + ci_cstr_nargs = [|0|]; + ci_cstr_ndecls = [||] (*FIXME*); + ci_pp_info = { ind_tags = []; cstr_tags = [||] (*FIXME*); style = RegularStyle } } in + let asw = { asw_ind = ind; asw_prefix = ""; asw_ci = ci; + asw_reloc = tbl; asw_finite = true } in + let c_uid = fresh_lname Anonymous in + let cf_uid = fresh_lname Anonymous in + let _, arity = tbl.(0) in + let ci_uid = fresh_lname Anonymous in + let cargs = Array.init arity + (fun i -> if Int.equal i proj_arg then Some ci_uid else None) + in + let i = push_symbol (SymbProj (ind, j)) in + let accu = MLapp (MLprimitive Cast_accu, [|MLlocal cf_uid|]) in + let accu_br = MLapp (MLprimitive Mk_proj, [|get_proj_code i;accu|]) in + let code = MLmatch(asw,MLlocal cf_uid,accu_br,[|[((ind,1),cargs)],MLlocal ci_uid|]) in + let code = MLlet(cf_uid, mkForceCofix "" ind (MLlocal c_uid), code) in + let gn = Gproj ("", ind, proj_arg) in + Glet (gn, mkMLlam [|c_uid|] code) :: acc + in + let projs = match mb.mind_record with + | NotRecord | FakeRecord -> [] + | PrimRecord info -> + let _, _, pbs = info.(i) in + Array.fold_left_i add_proj [] pbs + in + projs @ constructors @ gtype :: accu :: stack in Array.fold_left_i f stack mb.mind_packets @@ -2004,7 +2038,7 @@ let compile_mind_deps env prefix ~interactive then init else let comp_stack = - compile_mind prefix ~interactive mib mind comp_stack + compile_mind mib mind comp_stack in let name = if interactive then LinkedInteractive prefix @@ -2016,24 +2050,22 @@ let compile_mind_deps env prefix ~interactive (* This function compiles all necessary dependencies of t, and generates code in reverse order, as well as linking information updates *) -let rec compile_deps env sigma prefix ~interactive init t = +let compile_deps env sigma prefix ~interactive init t = + let rec aux env lvl init t = match kind t with - | Ind ((mind,_),u) -> compile_mind_deps env prefix ~interactive init mind + | Ind ((mind,_),_u) -> compile_mind_deps env prefix ~interactive init mind | Const c -> - let c,u = get_alias env c in - let cb,(nameref,_) = lookup_constant_key c env in - let (_, (_, const_updates)) = init in - if is_code_loaded ~interactive nameref - || (Cmap_env.mem c const_updates) - then init - else + let c,_u = get_alias env c in + let cb,(nameref,_) = lookup_constant_key c env in + let (_, (_, const_updates)) = init in + if is_code_loaded ~interactive nameref + || (Cmap_env.mem c const_updates) + then init + else let comp_stack, (mind_updates, const_updates) = - match cb.const_proj, cb.const_body with - | None, Def t -> - compile_deps env sigma prefix ~interactive init (Mod_subst.force_constr t) - | Some pb, _ -> - let mind = pb.proj_ind in - compile_mind_deps env prefix ~interactive init mind + match cb.const_body with + | Def t -> + aux env lvl init (Mod_subst.force_constr t) | _ -> init in let code, name = @@ -2042,15 +2074,33 @@ let rec compile_deps env sigma prefix ~interactive init t = let comp_stack = code@comp_stack in let const_updates = Cmap_env.add c (nameref, name) const_updates in comp_stack, (mind_updates, const_updates) - | Construct (((mind,_),_),u) -> compile_mind_deps env prefix ~interactive init mind + | Construct (((mind,_),_),_u) -> compile_mind_deps env prefix ~interactive init mind | Proj (p,c) -> - let term = mkApp (mkConst (Projection.constant p), [|c|]) in - compile_deps env sigma prefix ~interactive init term - | Case (ci, p, c, ac) -> + let init = compile_mind_deps env prefix ~interactive init (Projection.mind p) in + aux env lvl init c + | Case (ci, _p, _c, _ac) -> let mind = fst ci.ci_ind in let init = compile_mind_deps env prefix ~interactive init mind in - Constr.fold (compile_deps env sigma prefix ~interactive) init t - | _ -> Constr.fold (compile_deps env sigma prefix ~interactive) init t + fold_constr_with_binders succ (aux env) lvl init t + | Var id -> + let open Context.Named.Declaration in + begin match lookup_named id env with + | LocalDef (_,t,_) -> + aux env lvl init t + | _ -> init + end + | Rel n when n > lvl -> + let open Context.Rel.Declaration in + let decl = lookup_rel n env in + let env = env_of_rel n env in + begin match decl with + | LocalDef (_,t,_) -> + aux env lvl init t + | LocalAssum _ -> init + end + | _ -> fold_constr_with_binders succ (aux env) lvl init t + in + aux env 0 init t let compile_constant_field env prefix con acc cb = let (gl, _) = @@ -2059,9 +2109,9 @@ let compile_constant_field env prefix con acc cb = in gl@acc -let compile_mind_field prefix mp l acc mb = +let compile_mind_field mp l acc mb = let mind = MutInd.make2 mp l in - compile_mind prefix ~interactive:false mb mind acc + compile_mind mb mind acc let mk_open s = Gopen s diff --git a/kernel/nativecode.mli b/kernel/nativecode.mli index 4b23cc5f8b..96efa7faa5 100644 --- a/kernel/nativecode.mli +++ b/kernel/nativecode.mli @@ -10,7 +10,7 @@ open Names open Constr open Declarations -open Pre_env +open Environ open Nativelambda (** This file defines the mllambda code generation phase of the native @@ -50,6 +50,8 @@ val get_evar : symbols -> int -> Evar.t val get_level : symbols -> int -> Univ.Level.t +val get_proj : symbols -> int -> inductive * int + val get_symbols : unit -> symbols type code_location_update @@ -65,7 +67,7 @@ val register_native_file : string -> unit val compile_constant_field : env -> string -> Constant.t -> global list -> constant_body -> global list -val compile_mind_field : string -> ModPath.t -> Label.t -> +val compile_mind_field : ModPath.t -> Label.t -> global list -> mutual_inductive_body -> global list val mk_conv_code : env -> evars -> string -> constr -> constr -> linkable_code diff --git a/kernel/nativeconv.ml b/kernel/nativeconv.ml index c71f746bec..f5d7ab3c9d 100644 --- a/kernel/nativeconv.ml +++ b/kernel/nativeconv.ml @@ -14,7 +14,8 @@ open Nativelib open Reduction open Util open Nativevalues -open Nativecode +open Nativecode +open Environ (** This module implements the conversion test by compiling to OCaml code *) @@ -25,9 +26,9 @@ let rec conv_val env pb lvl v1 v2 cu = | Vfun f1, Vfun f2 -> let v = mk_rel_accu lvl in conv_val env CONV (lvl+1) (f1 v) (f2 v) cu - | Vfun f1, _ -> + | Vfun _f1, _ -> conv_val env CONV lvl v1 (fun x -> v2 x) cu - | _, Vfun f2 -> + | _, Vfun _f2 -> conv_val env CONV lvl (fun x -> v1 x) v2 cu | Vaccu k1, Vaccu k2 -> conv_accu env pb lvl k1 k2 cu @@ -64,7 +65,7 @@ and conv_atom env pb lvl a1 a2 cu = match a1, a2 with | Ameta (m1,_), Ameta (m2,_) -> if Int.equal m1 m2 then cu else raise NotConvertible - | Aevar (ev1,_,args1), Aevar (ev2,_,args2) -> + | Aevar (ev1, args1), Aevar (ev2, args2) -> if Evar.equal ev1 ev2 then Array.fold_right2 (conv_val env CONV lvl) args1 args2 cu else raise NotConvertible @@ -110,12 +111,12 @@ and conv_atom env pb lvl a1 a2 cu = else if not (Int.equal (Array.length f1) (Array.length f2)) then raise NotConvertible else conv_fix env lvl t1 f1 t2 f2 cu - | Aprod(_,d1,c1), Aprod(_,d2,c2) -> + | Aprod(_,d1,_c1), Aprod(_,d2,_c2) -> let cu = conv_val env CONV lvl d1 d2 cu in let v = mk_rel_accu lvl in conv_val env pb (lvl + 1) (d1 v) (d2 v) cu - | Aproj(p1,ac1), Aproj(p2,ac2) -> - if not (Constant.equal p1 p2) then raise NotConvertible + | Aproj((ind1, i1), ac1), Aproj((ind2, i2), ac2) -> + if not (eq_ind ind1 ind2 && Int.equal i1 i2) then raise NotConvertible else conv_accu env CONV lvl ac1 ac2 cu | Arel _, _ | Aind _, _ | Aconstant _, _ | Asort _, _ | Avar _, _ | Acase _, _ | Afix _, _ | Acofix _, _ | Acofixe _, _ | Aprod _, _ @@ -135,10 +136,20 @@ and conv_fix env lvl t1 f1 t2 f2 cu = else aux (i+1) (conv_val env CONV flvl fi1 fi2 cu) in aux 0 cu +let warn_no_native_compiler = + let open Pp in + CWarnings.create ~name:"native-compiler-disabled" ~category:"native-compiler" + (fun () -> strbrk "Native compiler is disabled," ++ + strbrk " falling back to VM conversion test.") + let native_conv_gen pb sigma env univs t1 t2 = - let penv = Environ.pre_env env in + if not (typing_flags env).Declarations.enable_native_compiler then begin + warn_no_native_compiler (); + Vconv.vm_conv_gen pb env univs t1 t2 + end + else let ml_filename, prefix = get_ml_filename () in - let code, upds = mk_conv_code penv sigma prefix t1 t2 in + let code, upds = mk_conv_code env sigma prefix t1 t2 in match compile ml_filename code ~profile:false with | (true, fn) -> begin @@ -153,19 +164,8 @@ let native_conv_gen pb sigma env univs t1 t2 = end | _ -> anomaly (Pp.str "Compilation failure.") -let warn_no_native_compiler = - let open Pp in - CWarnings.create ~name:"native-compiler-disabled" ~category:"native-compiler" - (fun () -> strbrk "Native compiler is disabled," ++ - strbrk " falling back to VM conversion test.") - (* Wrapper for [native_conv] above *) let native_conv cv_pb sigma env t1 t2 = - if not Coq_config.native_compiler then begin - warn_no_native_compiler (); - vm_conv cv_pb env t1 t2 - end - else let univs = Environ.universes env in let b = if cv_pb = CUMUL then Constr.leq_constr_univs univs t1 t2 diff --git a/kernel/nativeinstr.mli b/kernel/nativeinstr.mli index 9c17cc2b5f..2d8e2ba2f0 100644 --- a/kernel/nativeinstr.mli +++ b/kernel/nativeinstr.mli @@ -25,19 +25,19 @@ and lambda = | Lrel of Name.t * int | Lvar of Id.t | Lmeta of metavariable * lambda (* type *) - | Levar of Evar.t * lambda (* type *) * lambda array (* arguments *) + | Levar of Evar.t * lambda array (* arguments *) | Lprod of lambda * lambda | Llam of Name.t array * lambda | Llet of Name.t * lambda * lambda | Lapp of lambda * lambda array | Lconst of prefix * pconstant - | Lproj of prefix * Constant.t (* prefix, projection name *) + | Lproj of prefix * inductive * int (* prefix, inductive, index starting from 0 *) | Lprim of prefix * Constant.t * CPrimitives.t * lambda array | Lcase of annot_sw * lambda * lambda * lam_branches (* annotations, term being matched, accu, branches *) | Lif of lambda * lambda * lambda - | Lfix of (int array * int) * fix_decl - | Lcofix of int * fix_decl + | Lfix of (int array * (string * inductive) array * int) * fix_decl + | Lcofix of int * fix_decl (* must be in eta-expanded form *) | Lmakeblock of prefix * pconstructor * int * lambda array (* prefix, constructor name, constructor tag, arguments *) (* A fully applied constructor *) @@ -50,6 +50,10 @@ and lambda = | Llazy | Lforce +(* Cofixpoints have to be in eta-expanded form for their call-by-need evaluation +to be correct. Otherwise, memoization of previous evaluations will be applied +again to extra arguments (see #7333). *) + and lam_branches = (constructor * Name.t array * lambda) array and fix_decl = Name.t array * lambda array * lambda array diff --git a/kernel/nativelambda.ml b/kernel/nativelambda.ml index 01ddffe3ef..70cb8691c6 100644 --- a/kernel/nativelambda.ml +++ b/kernel/nativelambda.ml @@ -12,7 +12,7 @@ open Names open Esubst open Constr open Declarations -open Pre_env +open Environ open Nativevalues open Nativeinstr @@ -23,7 +23,6 @@ exception NotClosed type evars = { evars_val : existential -> constr option; - evars_typ : existential -> types; evars_metas : metavariable -> types } (*s Constructors *) @@ -88,7 +87,7 @@ let get_const_prefix env c = let rec map_lam_with_binders g f n lam = match lam with | Lrel _ | Lvar _ | Lconst _ | Lproj _ | Lval _ | Lsort _ | Lind _ - | Lconstruct _ | Llazy | Lforce | Lmeta _ | Levar _ -> lam + | Lconstruct _ | Llazy | Lforce | Lmeta _ -> lam | Lprod(dom,codom) -> let dom' = f n dom in let codom' = f n codom in @@ -102,10 +101,10 @@ let rec map_lam_with_binders g f n lam = if body == body' && def == def' then lam else Llet(id,def',body') | Lapp(fct,args) -> let fct' = f n fct in - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if fct == fct' && args == args' then lam else mkLapp fct' args' | Lprim(prefix,kn,op,args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then lam else Lprim(prefix,kn,op,args') | Lcase(annot,t,a,br) -> let t' = f n t in @@ -116,7 +115,7 @@ let rec map_lam_with_binders g f n lam = if Array.is_empty ids then f n body else f (g (Array.length ids) n) body in if body == body' then b else (cn,ids,body') in - let br' = Array.smartmap on_b br in + let br' = Array.Smart.map on_b br in if t == t' && a == a' && br == br' then lam else Lcase(annot,t',a',br') | Lif(t,bt,bf) -> let t' = f n t in @@ -124,27 +123,30 @@ let rec map_lam_with_binders g f n lam = let bf' = f n bf in if t == t' && bt == bt' && bf == bf' then lam else Lif(t',bt',bf') | Lfix(init,(ids,ltypes,lbodies)) -> - let ltypes' = Array.smartmap (f n) ltypes in - let lbodies' = Array.smartmap (f (g (Array.length ids) n)) lbodies in + let ltypes' = Array.Smart.map (f n) ltypes in + let lbodies' = Array.Smart.map (f (g (Array.length ids) n)) lbodies in if ltypes == ltypes' && lbodies == lbodies' then lam else Lfix(init,(ids,ltypes',lbodies')) | Lcofix(init,(ids,ltypes,lbodies)) -> - let ltypes' = Array.smartmap (f n) ltypes in - let lbodies' = Array.smartmap (f (g (Array.length ids) n)) lbodies in + let ltypes' = Array.Smart.map (f n) ltypes in + let lbodies' = Array.Smart.map (f (g (Array.length ids) n)) lbodies in if ltypes == ltypes' && lbodies == lbodies' then lam else Lcofix(init,(ids,ltypes',lbodies')) | Lmakeblock(prefix,cn,tag,args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then lam else Lmakeblock(prefix,cn,tag,args') | Luint u -> let u' = map_uint g f n u in if u == u' then lam else Luint u' + | Levar (evk, args) -> + let args' = Array.Smart.map (f n) args in + if args == args' then lam else Levar (evk, args') -and map_uint g f n u = +and map_uint _g f n u = match u with | UintVal _ -> u | UintDigits(prefix,c,args) -> - let args' = Array.smartmap (f n) args in + let args' = Array.Smart.map (f n) args in if args == args' then u else UintDigits(prefix,c,args') | UintDecomp(prefix,c,a) -> let a' = f n a in @@ -177,7 +179,7 @@ let rec lam_exsubst subst lam = let lam_subst_args subst args = if is_subs_id subst then args - else Array.smartmap (lam_exsubst subst) args + else Array.Smart.map (lam_exsubst subst) args (** Simplification of lambda expression *) @@ -201,7 +203,7 @@ let can_subst lam = let can_merge_if bt bf = match bt, bf with - | Llam(idst,_), Llam(idsf,_) -> true + | Llam(_idst,_), Llam(_idsf,_) -> true | _ -> false let merge_if t bt bf = @@ -272,7 +274,7 @@ and simplify_app substf f substa args = (* TODO | Lproj -> simplify if the argument is known or a known global *) | _ -> mkLapp (simplify substf f) (simplify_args substa args) -and simplify_args subst args = Array.smartmap (simplify subst) args +and simplify_args subst args = Array.Smart.map (simplify subst) args and reduce_lapp substf lids body substa largs = match lids, largs with @@ -296,15 +298,17 @@ let is_value lc = match lc with | Lval _ -> true | Lmakeblock(_,_,_,args) when Array.is_empty args -> true + | Luint (UintVal _) -> true | _ -> false - + let get_value lc = match lc with | Lval v -> v - | Lmakeblock(_,_,tag,args) when Array.is_empty args -> + | Lmakeblock(_,_,tag,args) when Array.is_empty args -> Nativevalues.mk_int tag + | Luint (UintVal i) -> Nativevalues.mk_uint i | _ -> raise Not_found - + let make_args start _end = Array.init (start - _end + 1) (fun i -> Lrel (Anonymous, start - i)) @@ -331,54 +335,13 @@ let rec get_alias env (kn, u as p) = (*i Global environment *) -let global_env = ref empty_env - -let set_global_env env = global_env := env - let get_names decl = let decl = Array.of_list decl in Array.map fst decl -(* Rel Environment *) -module Vect = - struct - type 'a t = { - mutable elems : 'a array; - mutable size : int; - } - - let make n a = { - elems = Array.make n a; - size = 0; - } - - let extend v = - if Int.equal v.size (Array.length v.elems) then - let new_size = min (2*v.size) Sys.max_array_length in - if new_size <= v.size then invalid_arg "Vect.extend"; - let new_elems = Array.make new_size v.elems.(0) in - Array.blit v.elems 0 new_elems 0 (v.size); - v.elems <- new_elems - - let push v a = - extend v; - v.elems.(v.size) <- a; - v.size <- v.size + 1 - - let popn v n = - v.size <- max 0 (v.size - n) - - let pop v = popn v 1 - - let get_last v n = - if v.size <= n then invalid_arg "Vect.get:index out of bounds"; - v.elems.(v.size - n - 1) - - end - let empty_args = [||] -module Renv = +module Cache = struct module ConstrHash = @@ -392,141 +355,124 @@ module Renv = type constructor_info = tag * int * int (* nparam nrealargs *) - type t = { - name_rel : Name.t Vect.t; - construct_tbl : constructor_info ConstrTable.t; - - } - - - let make () = { - name_rel = Vect.make 16 Anonymous; - construct_tbl = ConstrTable.create 111 - } - - let push_rel env id = Vect.push env.name_rel id - - let push_rels env ids = - Array.iter (push_rel env) ids - - let pop env = Vect.pop env.name_rel - - let popn env n = - for _i = 1 to n do pop env done - - let get env n = - Lrel (Vect.get_last env.name_rel (n-1), n) - - let get_construct_info env c = - try ConstrTable.find env.construct_tbl c + let get_construct_info cache env c : constructor_info = + try ConstrTable.find cache c with Not_found -> let ((mind,j), i) = c in - let oib = lookup_mind mind !global_env in + let oib = lookup_mind mind env in let oip = oib.mind_packets.(j) in let tag,arity = oip.mind_reloc_tbl.(i-1) in let nparams = oib.mind_nparams in let r = (tag, nparams, arity) in - ConstrTable.add env.construct_tbl c r; + ConstrTable.add cache c r; r end -(* What about pattern matching ?*) -let is_lazy prefix t = +let is_lazy env prefix t = match kind t with - | App (f,args) -> + | App (f,_args) -> begin match kind f with | Construct (c,_) -> - let entry = mkInd (fst c) in - (try - let _ = - Retroknowledge.get_native_before_match_info (!global_env).retroknowledge - entry prefix c Llazy; - in + let gr = GlobRef.IndRef (fst c) in + (try + let _ = + Retroknowledge.get_native_before_match_info env.retroknowledge + gr prefix c Llazy; + in false - with Not_found -> true) + with Not_found -> true) | _ -> true end - | LetIn _ -> true + | LetIn _ | Case _ | Proj _ -> true | _ -> false let evar_value sigma ev = sigma.evars_val ev -let evar_type sigma ev = sigma.evars_typ ev - let meta_type sigma mv = sigma.evars_metas mv let empty_evars = { evars_val = (fun _ -> None); - evars_typ = (fun _ -> assert false); evars_metas = (fun _ -> assert false) } let empty_ids = [||] -let rec lambda_of_constr env sigma c = +(** Extract the inductive type over which a fixpoint is decreasing *) +let rec get_fix_struct env i t = match kind (Reduction.whd_all env t) with +| Prod (na, dom, t) -> + if Int.equal i 0 then + let dom = Reduction.whd_all env dom in + let (dom, _) = decompose_appvect dom in + match kind dom with + | Ind (ind, _) -> ind + | _ -> assert false + else + let env = Environ.push_rel (RelDecl.LocalAssum (na, dom)) env in + get_fix_struct env (i - 1) t +| _ -> assert false + +let rec lambda_of_constr cache env sigma c = match kind c with | Meta mv -> let ty = meta_type sigma mv in - Lmeta (mv, lambda_of_constr env sigma ty) + Lmeta (mv, lambda_of_constr cache env sigma ty) | Evar (evk,args as ev) -> (match evar_value sigma ev with | None -> - let ty = evar_type sigma ev in - let args = Array.map (lambda_of_constr env sigma) args in - Levar(evk, lambda_of_constr env sigma ty, args) - | Some t -> lambda_of_constr env sigma t) + let args = Array.map (lambda_of_constr cache env sigma) args in + Levar(evk, args) + | Some t -> lambda_of_constr cache env sigma t) - | Cast (c, _, _) -> lambda_of_constr env sigma c + | Cast (c, _, _) -> lambda_of_constr cache env sigma c - | Rel i -> Renv.get env i + | Rel i -> Lrel (RelDecl.get_name (Environ.lookup_rel i env), i) | Var id -> Lvar id | Sort s -> Lsort s - | Ind (ind,u as pind) -> - let prefix = get_mind_prefix !global_env (fst ind) in + | Ind (ind,_u as pind) -> + let prefix = get_mind_prefix env (fst ind) in Lind (prefix, pind) | Prod(id, dom, codom) -> - let ld = lambda_of_constr env sigma dom in - Renv.push_rel env id; - let lc = lambda_of_constr env sigma codom in - Renv.pop env; + let ld = lambda_of_constr cache env sigma dom in + let env = Environ.push_rel (RelDecl.LocalAssum (id, dom)) env in + let lc = lambda_of_constr cache env sigma codom in Lprod(ld, Llam([|id|], lc)) | Lambda _ -> let params, body = Term.decompose_lam c in + let fold (na, t) env = Environ.push_rel (RelDecl.LocalAssum (na, t)) env in + let env = List.fold_right fold params env in + let lb = lambda_of_constr cache env sigma body in let ids = get_names (List.rev params) in - Renv.push_rels env ids; - let lb = lambda_of_constr env sigma body in - Renv.popn env (Array.length ids); mkLlam ids lb - | LetIn(id, def, _, body) -> - let ld = lambda_of_constr env sigma def in - Renv.push_rel env id; - let lb = lambda_of_constr env sigma body in - Renv.pop env; + | LetIn(id, def, t, body) -> + let ld = lambda_of_constr cache env sigma def in + let env = Environ.push_rel (RelDecl.LocalDef (id, def, t)) env in + let lb = lambda_of_constr cache env sigma body in Llet(id, ld, lb) - | App(f, args) -> lambda_of_app env sigma f args + | App(f, args) -> lambda_of_app cache env sigma f args - | Const _ -> lambda_of_app env sigma c empty_args + | Const _ -> lambda_of_app cache env sigma c empty_args - | Construct _ -> lambda_of_app env sigma c empty_args + | Construct _ -> lambda_of_app cache env sigma c empty_args | Proj (p, c) -> - let kn = Projection.constant p in - mkLapp (Lproj (get_const_prefix !global_env kn, kn)) [|lambda_of_constr env sigma c|] + let ind = Projection.inductive p in + let prefix = get_mind_prefix env (fst ind) in + mkLapp (Lproj (prefix, ind, Projection.arg p)) [|lambda_of_constr cache env sigma c|] | Case(ci,t,a,branches) -> let (mind,i as ind) = ci.ci_ind in - let mib = lookup_mind mind !global_env in + let mib = lookup_mind mind env in let oib = mib.mind_packets.(i) in let tbl = oib.mind_reloc_tbl in (* Building info *) - let prefix = get_mind_prefix !global_env mind in + let prefix = get_mind_prefix env mind in let annot_sw = { asw_ind = ind; asw_ci = ci; @@ -535,21 +481,21 @@ let rec lambda_of_constr env sigma c = asw_prefix = prefix} in (* translation of the argument *) - let la = lambda_of_constr env sigma a in - let entry = mkInd ind in + let la = lambda_of_constr cache env sigma a in + let gr = GlobRef.IndRef ind in let la = - try - Retroknowledge.get_native_before_match_info (!global_env).retroknowledge - entry prefix (ind,1) la - with Not_found -> la + try + Retroknowledge.get_native_before_match_info (env).retroknowledge + gr prefix (ind,1) la + with Not_found -> la in (* translation of the type *) - let lt = lambda_of_constr env sigma t in + let lt = lambda_of_constr cache env sigma t in (* translation of branches *) let mk_branch i b = let cn = (ind,i+1) in let _, arity = tbl.(i) in - let b = lambda_of_constr env sigma b in + let b = lambda_of_constr cache env sigma b in if Int.equal arity 0 then (cn, empty_ids, b) else match b with @@ -562,85 +508,91 @@ let rec lambda_of_constr env sigma c = let bs = Array.mapi mk_branch branches in Lcase(annot_sw, lt, la, bs) - | Fix(rec_init,(names,type_bodies,rec_bodies)) -> - let ltypes = lambda_of_args env sigma 0 type_bodies in - Renv.push_rels env names; - let lbodies = lambda_of_args env sigma 0 rec_bodies in - Renv.popn env (Array.length names); - Lfix(rec_init, (names, ltypes, lbodies)) + | Fix((pos, i), (names,type_bodies,rec_bodies)) -> + let ltypes = lambda_of_args cache env sigma 0 type_bodies in + let map i t = + let ind = get_fix_struct env i t in + let prefix = get_mind_prefix env (fst ind) in + (prefix, ind) + in + let inds = Array.map2 map pos type_bodies in + let env = Environ.push_rec_types (names, type_bodies, rec_bodies) env in + let lbodies = lambda_of_args cache env sigma 0 rec_bodies in + Lfix((pos, inds, i), (names, ltypes, lbodies)) | CoFix(init,(names,type_bodies,rec_bodies)) -> - let ltypes = lambda_of_args env sigma 0 type_bodies in - Renv.push_rels env names; - let lbodies = lambda_of_args env sigma 0 rec_bodies in - Renv.popn env (Array.length names); + let rec_bodies = Array.map2 (Reduction.eta_expand env) rec_bodies type_bodies in + let ltypes = lambda_of_args cache env sigma 0 type_bodies in + let env = Environ.push_rec_types (names, type_bodies, rec_bodies) env in + let lbodies = lambda_of_args cache env sigma 0 rec_bodies in Lcofix(init, (names, ltypes, lbodies)) -and lambda_of_app env sigma f args = +and lambda_of_app cache env sigma f args = match kind f with - | Const (kn,u as c) -> - let kn,u = get_alias !global_env c in - let cb = lookup_constant kn !global_env in + | Const (_kn,_u as c) -> + let kn,u = get_alias env c in + let cb = lookup_constant kn env in (try - let prefix = get_const_prefix !global_env kn in + let prefix = get_const_prefix env kn in (* We delay the compilation of arguments to avoid an exponential behavior *) let f = Retroknowledge.get_native_compiling_info - (!global_env).retroknowledge (mkConst kn) prefix in - let args = lambda_of_args env sigma 0 args in + (env).retroknowledge (GlobRef.ConstRef kn) prefix in + let args = lambda_of_args cache env sigma 0 args in f args with Not_found -> begin match cb.const_body with | Def csubst -> (* TODO optimize if f is a proj and argument is known *) if cb.const_inline_code then - lambda_of_app env sigma (Mod_subst.force_constr csubst) args + lambda_of_app cache env sigma (Mod_subst.force_constr csubst) args else - let prefix = get_const_prefix !global_env kn in + let prefix = get_const_prefix env kn in let t = - if is_lazy prefix (Mod_subst.force_constr csubst) then + if is_lazy env prefix (Mod_subst.force_constr csubst) then mkLapp Lforce [|Lconst (prefix, (kn,u))|] else Lconst (prefix, (kn,u)) in - mkLapp t (lambda_of_args env sigma 0 args) + mkLapp t (lambda_of_args cache env sigma 0 args) | OpaqueDef _ | Undef _ -> - let prefix = get_const_prefix !global_env kn in - mkLapp (Lconst (prefix, (kn,u))) (lambda_of_args env sigma 0 args) + let prefix = get_const_prefix env kn in + mkLapp (Lconst (prefix, (kn,u))) (lambda_of_args cache env sigma 0 args) end) | Construct (c,u) -> - let tag, nparams, arity = Renv.get_construct_info env c in + let tag, nparams, arity = Cache.get_construct_info cache env c in let expected = nparams + arity in let nargs = Array.length args in - let prefix = get_mind_prefix !global_env (fst (fst c)) in + let prefix = get_mind_prefix env (fst (fst c)) in + let gr = GlobRef.ConstructRef c in if Int.equal nargs expected then try try Retroknowledge.get_native_constant_static_info - (!global_env).retroknowledge - f args + (env).retroknowledge + gr args with NotClosed -> assert (Int.equal nparams 0); (* should be fine for int31 *) - let args = lambda_of_args env sigma nparams args in + let args = lambda_of_args cache env sigma nparams args in Retroknowledge.get_native_constant_dynamic_info - (!global_env).retroknowledge f prefix c args + (env).retroknowledge gr prefix c args with Not_found -> - let args = lambda_of_args env sigma nparams args in - makeblock !global_env c u tag args + let args = lambda_of_args cache env sigma nparams args in + makeblock env c u tag args else - let args = lambda_of_args env sigma 0 args in + let args = lambda_of_args cache env sigma 0 args in (try Retroknowledge.get_native_constant_dynamic_info - (!global_env).retroknowledge f prefix c args + (env).retroknowledge gr prefix c args with Not_found -> mkLapp (Lconstruct (prefix, (c,u))) args) | _ -> - let f = lambda_of_constr env sigma f in - let args = lambda_of_args env sigma 0 args in + let f = lambda_of_constr cache env sigma f in + let args = lambda_of_args cache env sigma 0 args in mkLapp f args -and lambda_of_args env sigma start args = +and lambda_of_args cache env sigma start args = let nargs = Array.length args in if start < nargs then Array.init (nargs - start) - (fun i -> lambda_of_constr env sigma args.(start + i)) + (fun i -> lambda_of_constr cache env sigma args.(start + i)) else empty_args let optimize lam = @@ -653,11 +605,8 @@ let optimize lam = lam let lambda_of_constr env sigma c = - set_global_env env; - let env = Renv.make () in - let ids = List.rev_map RelDecl.get_name !global_env.env_rel_context.env_rel_ctx in - Renv.push_rels env (Array.of_list ids); - let lam = lambda_of_constr env sigma c in + let cache = Cache.ConstrTable.create 91 in + let lam = lambda_of_constr cache env sigma c in (* if Flags.vm_draw_opt () then begin (msgerrnl (str "Constr = \n" ++ pr_constr c);flush_all()); (msgerrnl (str "Lambda = \n" ++ pp_lam lam);flush_all()); diff --git a/kernel/nativelambda.mli b/kernel/nativelambda.mli index 9a1e19b3cb..7b20258929 100644 --- a/kernel/nativelambda.mli +++ b/kernel/nativelambda.mli @@ -9,13 +9,12 @@ (************************************************************************) open Names open Constr -open Pre_env +open Environ open Nativeinstr (** This file defines the lambda code generation phase of the native compiler *) type evars = { evars_val : existential -> constr option; - evars_typ : existential -> types; evars_metas : metavariable -> types } val empty_evars : evars @@ -23,7 +22,7 @@ val empty_evars : evars val decompose_Llam : lambda -> Name.t array * lambda val decompose_Llam_Llet : lambda -> (Name.t * lambda option) array * lambda -val is_lazy : prefix -> constr -> bool +val is_lazy : env -> prefix -> constr -> bool val mk_lazy : lambda -> lambda val get_mind_prefix : env -> MutInd.t -> string diff --git a/kernel/nativelib.ml b/kernel/nativelib.ml index 31ad364911..833e4082f0 100644 --- a/kernel/nativelib.ml +++ b/kernel/nativelib.ml @@ -11,7 +11,6 @@ open Util open Nativevalues open Nativecode open CErrors -open Envars (** This file provides facilities to access OCaml compiler and dynamic linker, used by the native compiler. *) @@ -37,10 +36,10 @@ let ( / ) = Filename.concat (* We have to delay evaluation of include_dirs because coqlib cannot be guessed until flags have been properly initialized *) let include_dirs () = - [Filename.get_temp_dir_name (); coqlib () / "kernel"; coqlib () / "library"] + [Filename.get_temp_dir_name (); Envars.coqlib () / "kernel"; Envars.coqlib () / "library"] (* Pointer to the function linking an ML object into coq's toplevel *) -let load_obj = ref (fun x -> () : string -> unit) +let load_obj = ref (fun _x -> () : string -> unit) let rt1 = ref (dummy_value ()) let rt2 = ref (dummy_value ()) @@ -88,16 +87,7 @@ let call_compiler ?profile:(profile=false) ml_filename = else [] in - let flambda_args = - if Coq_config.caml_version_nums >= [4;3;0] && Dynlink.is_native then - (* We play safe for now, and use the native compiler - with -Oclassic, however it is likely that `native_compute` - users can benefit from tweaking here. - *) - ["-Oclassic"] - else - [] - in + let flambda_args = if Sys.(backend_type = Native) then ["-Oclassic"] else [] in let args = initial_args @ profile_args @ @@ -107,12 +97,12 @@ let call_compiler ?profile:(profile=false) ml_filename = ::"-w"::"a" ::include_dirs) @ ["-impl"; ml_filename] in - if !Flags.debug then Feedback.msg_debug (Pp.str (ocamlfind () ^ " " ^ (String.concat " " args))); + if !Flags.debug then Feedback.msg_debug (Pp.str (Envars.ocamlfind () ^ " " ^ (String.concat " " args))); try - let res = CUnix.sys_command (ocamlfind ()) args in + let res = CUnix.sys_command (Envars.ocamlfind ()) args in let res = match res with | Unix.WEXITED 0 -> true - | Unix.WEXITED n | Unix.WSIGNALED n | Unix.WSTOPPED n -> + | Unix.WEXITED _n | Unix.WSIGNALED _n | Unix.WSTOPPED _n -> warn_native_compiler_failed (Inl res); false in res, link_filename @@ -157,7 +147,7 @@ let call_linker ?(fatal=true) prefix f upds = (try if Dynlink.is_native then Dynlink.loadfile f else !load_obj f; register_native_file prefix - with Dynlink.Error e as exn -> + with Dynlink.Error _ as exn -> let exn = CErrors.push exn in if fatal then iraise exn else if !Flags.debug then Feedback.msg_debug CErrors.(iprint exn)); diff --git a/kernel/nativelibrary.ml b/kernel/nativelibrary.ml index c69cf722bc..5d1b882361 100644 --- a/kernel/nativelibrary.ml +++ b/kernel/nativelibrary.ml @@ -10,7 +10,6 @@ open Names open Declarations -open Environ open Mod_subst open Modops open Nativecode @@ -28,17 +27,17 @@ let rec translate_mod prefix mp env mod_expr acc = and translate_field prefix mp env acc (l,x) = match x with | SFBconst cb -> - let con = Constant.make3 mp DirPath.empty l in + let con = Constant.make2 mp l in (if !Flags.debug then - let msg = Printf.sprintf "Compiling constant %s..." (Constant.to_string con) in + let msg = Printf.sprintf "Compiling constant %s..." (Constant.to_string con) in Feedback.msg_debug (Pp.str msg)); - compile_constant_field (pre_env env) prefix con acc cb + compile_constant_field env prefix con acc cb | SFBmind mb -> (if !Flags.debug then let id = mb.mind_packets.(0).mind_typename in let msg = Printf.sprintf "Compiling inductive %s..." (Id.to_string id) in Feedback.msg_debug (Pp.str msg)); - compile_mind_field prefix mp l acc mb + compile_mind_field mp l acc mb | SFBmodule md -> let mp = md.mod_mp in (if !Flags.debug then diff --git a/kernel/nativevalues.ml b/kernel/nativevalues.ml index cfcb0a485b..93e74af845 100644 --- a/kernel/nativevalues.ml +++ b/kernel/nativevalues.ml @@ -63,33 +63,34 @@ type atom = | Acofixe of t array * t array * int * t | Aprod of Name.t * t * (t -> t) | Ameta of metavariable * t - | Aevar of Evar.t * t * t array - | Aproj of Constant.t * accumulator + | Aevar of Evar.t * t array + | Aproj of (inductive * int) * accumulator let accumulate_tag = 0 -let accumulate_code (k:accumulator) (x:t) = - let o = Obj.repr k in - let osize = Obj.size o in - let r = Obj.new_block accumulate_tag (osize + 1) in - for i = 0 to osize - 1 do - Obj.set_field r i (Obj.field o i) - done; - Obj.set_field r osize (Obj.repr x); - (Obj.obj r:t) - -let rec accumulate (x:t) = - accumulate_code (Obj.magic accumulate) x - -let mk_accu_gen rcode (a:atom) = -(* Format.eprintf "size rcode =%i\n" (Obj.size (Obj.magic rcode)); *) - let r = Obj.new_block 0 3 in - Obj.set_field r 0 (Obj.field (Obj.magic rcode) 0); - Obj.set_field r 1 (Obj.field (Obj.magic rcode) 1); - Obj.set_field r 2 (Obj.magic a); - (Obj.magic r:t);; - -let mk_accu (a:atom) = mk_accu_gen accumulate a +(** Unique pointer used to drive the accumulator function *) +let ret_accu = Obj.repr (ref ()) + +type accu_val = { mutable acc_atm : atom; acc_arg : Obj.t list } + +let mk_accu (a : atom) : t = + let rec accumulate data x = + if x == ret_accu then Obj.repr data + else + let data = { data with acc_arg = x :: data.acc_arg } in + let ans = Obj.repr (accumulate data) in + let () = Obj.set_tag ans accumulate_tag in + ans + in + let acc = { acc_atm = a; acc_arg = [] } in + let ans = Obj.repr (accumulate acc) in + (** FIXME: use another representation for accumulators, this causes naked + pointers. *) + let () = Obj.set_tag ans accumulate_tag in + (Obj.obj ans : t) + +let get_accu (k : accumulator) = + (Obj.magic k : Obj.t -> accu_val) ret_accu let mk_rel_accu i = mk_accu (Arel i) @@ -116,7 +117,7 @@ let mk_ind_accu ind u = let mk_sort_accu s u = let open Sorts in match s with - | Prop _ -> mk_accu (Asort s) + | Prop | Set -> mk_accu (Asort s) | Type s -> let u = Univ.Instance.of_array u in let s = Univ.subst_instance_universe u s in @@ -134,38 +135,30 @@ let mk_prod_accu s dom codom = let mk_meta_accu mv ty = mk_accu (Ameta (mv,ty)) -let mk_evar_accu ev ty args = - mk_accu (Aevar (ev,ty,args)) +let mk_evar_accu ev args = + mk_accu (Aevar (ev, args)) let mk_proj_accu kn c = mk_accu (Aproj (kn,c)) let atom_of_accu (k:accumulator) = - (Obj.magic (Obj.field (Obj.magic k) 2) : atom) + (get_accu k).acc_atm let set_atom_of_accu (k:accumulator) (a:atom) = - Obj.set_field (Obj.magic k) 2 (Obj.magic a) + (get_accu k).acc_atm <- a let accu_nargs (k:accumulator) = - let nargs = Obj.size (Obj.magic k) - 3 in -(* if nargs < 0 then Format.eprintf "nargs = %i\n" nargs; *) - assert (nargs >= 0); - nargs + List.length (get_accu k).acc_arg let args_of_accu (k:accumulator) = - let nargs = accu_nargs k in - let f i = (Obj.magic (Obj.field (Obj.magic k) (nargs-i+2)) : t) in - Array.init nargs f - -let is_accu x = - let o = Obj.repr x in - Obj.is_block o && Int.equal (Obj.tag o) accumulate_tag + let acc = (get_accu k).acc_arg in + (Obj.magic (Array.of_list acc) : t array) let mk_fix_accu rec_pos pos types bodies = - mk_accu_gen accumulate (Afix(types,bodies,rec_pos, pos)) + mk_accu (Afix(types,bodies,rec_pos, pos)) let mk_cofix_accu pos types norm = - mk_accu_gen accumulate (Acofix(types,norm,pos,(Obj.magic 0 : t))) + mk_accu (Acofix(types,norm,pos,(Obj.magic 0 : t))) let upd_cofix (cofix :t) (cofix_fun : t) = let atom = atom_of_accu (Obj.magic cofix) in @@ -175,19 +168,17 @@ let upd_cofix (cofix :t) (cofix_fun : t) = | _ -> assert false let force_cofix (cofix : t) = - if is_accu cofix then - let accu = (Obj.magic cofix : accumulator) in - let atom = atom_of_accu accu in - match atom with - | Acofix(typ,norm,pos,f) -> - let args = args_of_accu accu in - let f = Array.fold_right (fun arg f -> f arg) args f in - let v = f (Obj.magic ()) in - set_atom_of_accu accu (Acofixe(typ,norm,pos,v)); - v - | Acofixe(_,_,_,v) -> v - | _ -> cofix - else cofix + let accu = (Obj.magic cofix : accumulator) in + let atom = atom_of_accu accu in + match atom with + | Acofix(typ,norm,pos,f) -> + let args = args_of_accu accu in + let f = Array.fold_right (fun arg f -> f arg) args f in + let v = f (Obj.magic ()) in + set_atom_of_accu accu (Acofixe(typ,norm,pos,v)); + v + | Acofixe(_,_,_,v) -> v + | _ -> cofix let mk_const tag = Obj.magic tag diff --git a/kernel/nativevalues.mli b/kernel/nativevalues.mli index 4a58a3c7da..10689941e8 100644 --- a/kernel/nativevalues.mli +++ b/kernel/nativevalues.mli @@ -53,8 +53,8 @@ type atom = | Acofixe of t array * t array * int * t | Aprod of Name.t * t * (t -> t) | Ameta of metavariable * t - | Aevar of Evar.t * t (* type *) * t array (* arguments *) - | Aproj of Constant.t * accumulator + | Aevar of Evar.t * t array (* arguments *) + | Aproj of (inductive * int) * accumulator (* Constructors *) @@ -70,8 +70,8 @@ val mk_prod_accu : Name.t -> t -> t -> t val mk_fix_accu : rec_pos -> int -> t array -> t array -> t val mk_cofix_accu : int -> t array -> t array -> t val mk_meta_accu : metavariable -> t -val mk_evar_accu : Evar.t -> t -> t array -> t -val mk_proj_accu : Constant.t -> accumulator -> t +val mk_evar_accu : Evar.t -> t array -> t +val mk_proj_accu : (inductive * int) -> accumulator -> t val upd_cofix : t -> t -> unit val force_cofix : t -> t val mk_const : tag -> t @@ -110,9 +110,6 @@ type kind_of_value = val kind_of_value : t -> kind_of_value -(* *) -val is_accu : t -> bool - val str_encode : 'a -> string val str_decode : string -> 'a diff --git a/kernel/opaqueproof.ml b/kernel/opaqueproof.ml index a484c08e8d..303cb06c55 100644 --- a/kernel/opaqueproof.ml +++ b/kernel/opaqueproof.ml @@ -18,7 +18,7 @@ type work_list = (Instance.t * Id.t array) Cmap.t * type cooking_info = { modlist : work_list; - abstract : Context.Named.t * Univ.Instance.t * Univ.AUContext.t } + abstract : Constr.named_context * Univ.Instance.t * Univ.AUContext.t } type proofterm = (constr * Univ.ContextSet.t) Future.computation type opaque = | Indirect of substitution list * DirPath.t * int (* subst, lib, index *) @@ -87,21 +87,21 @@ let discharge_direct_opaque ~cook_constr ci = function | Direct (d,cu) -> Direct (ci::d,Future.chain cu (fun (c, u) -> cook_constr c, u)) -let join_opaque { opaque_val = prfs; opaque_dir = odp } = function +let join_opaque { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> ignore(Future.join cu) | Indirect (_,dp,i) -> if DirPath.equal dp odp then let fp = snd (Int.Map.find i prfs) in ignore(Future.join fp) -let uuid_opaque { opaque_val = prfs; opaque_dir = odp } = function +let uuid_opaque { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> Some (Future.uuid cu) | Indirect (_,dp,i) -> if DirPath.equal dp odp then Some (Future.uuid (snd (Int.Map.find i prfs))) else None -let force_proof { opaque_val = prfs; opaque_dir = odp } = function +let force_proof { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> fst(Future.force cu) | Indirect (l,dp,i) -> @@ -112,7 +112,7 @@ let force_proof { opaque_val = prfs; opaque_dir = odp } = function let c = Future.force pt in force_constr (List.fold_right subst_substituted l (from_val c)) -let force_constraints { opaque_val = prfs; opaque_dir = odp } = function +let force_constraints { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> snd(Future.force cu) | Indirect (_,dp,i) -> if DirPath.equal dp odp @@ -121,14 +121,14 @@ let force_constraints { opaque_val = prfs; opaque_dir = odp } = function | None -> Univ.ContextSet.empty | Some u -> Future.force u -let get_constraints { opaque_val = prfs; opaque_dir = odp } = function +let get_constraints { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> Some(Future.chain cu snd) | Indirect (_,dp,i) -> if DirPath.equal dp odp then Some(Future.chain (snd (Int.Map.find i prfs)) snd) else !get_univ dp i -let get_proof { opaque_val = prfs; opaque_dir = odp } = function +let get_proof { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> Future.chain cu fst | Indirect (l,dp,i) -> let pt = @@ -144,7 +144,7 @@ let a_constr = Future.from_val (mkRel 1) let a_univ = Future.from_val Univ.ContextSet.empty let a_discharge : cooking_info list = [] -let dump { opaque_val = otab; opaque_len = n } = +let dump { opaque_val = otab; opaque_len = n; _ } = let opaque_table = Array.make n a_constr in let univ_table = Array.make n a_univ in let disch_table = Array.make n a_discharge in diff --git a/kernel/opaqueproof.mli b/kernel/opaqueproof.mli index b6ae80b46a..5ea6da649b 100644 --- a/kernel/opaqueproof.mli +++ b/kernel/opaqueproof.mli @@ -51,7 +51,7 @@ type work_list = (Univ.Instance.t * Id.t array) Cmap.t * type cooking_info = { modlist : work_list; - abstract : Context.Named.t * Univ.Instance.t * Univ.AUContext.t } + abstract : Constr.named_context * Univ.Instance.t * Univ.AUContext.t } (* The type has two caveats: 1) cook_constr is defined after diff --git a/kernel/pre_env.ml b/kernel/pre_env.ml deleted file mode 100644 index 8ebe48e202..0000000000 --- a/kernel/pre_env.ml +++ /dev/null @@ -1,213 +0,0 @@ -(************************************************************************) -(* * The Coq Proof Assistant / The Coq Development Team *) -(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) -(* <O___,, * (see CREDITS file for the list of authors) *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(* * (see LICENSE file for the text of the license) *) -(************************************************************************) - -(* Created by Benjamin Grégoire out of environ.ml for better - modularity in the design of the bytecode virtual evaluation - machine, Dec 2005 *) -(* Bug fix by Jean-Marc Notin *) - -(* This file defines the type of kernel environments *) - -open Util -open Names -open Declarations - -module NamedDecl = Context.Named.Declaration - -(* The type of environments. *) - -(* The key attached to each constant is used by the VM to retrieve previous *) -(* evaluations of the constant. It is essentially an index in the symbols table *) -(* used by the VM. *) -type key = int CEphemeron.key option ref - -(** Linking information for the native compiler. *) - -type link_info = - | Linked of string - | LinkedInteractive of string - | NotLinked - -type constant_key = constant_body * (link_info ref * key) - -type mind_key = mutual_inductive_body * link_info ref - -type globals = { - env_constants : constant_key Cmap_env.t; - env_inductives : mind_key Mindmap_env.t; - env_modules : module_body MPmap.t; - env_modtypes : module_type_body MPmap.t} - -type stratification = { - env_universes : UGraph.t; - env_engagement : engagement -} - -type val_kind = - | VKvalue of (Vmvalues.values * Id.Set.t) CEphemeron.key - | VKnone - -type lazy_val = val_kind ref - -let force_lazy_val vk = match !vk with -| VKnone -> None -| VKvalue v -> try Some (CEphemeron.get v) with CEphemeron.InvalidKey -> None - -let dummy_lazy_val () = ref VKnone -let build_lazy_val vk key = vk := VKvalue (CEphemeron.create key) - -type named_context_val = { - env_named_ctx : Context.Named.t; - env_named_map : (Context.Named.Declaration.t * lazy_val) Id.Map.t; -} - -type rel_context_val = { - env_rel_ctx : Context.Rel.t; - env_rel_map : (Context.Rel.Declaration.t * lazy_val) Range.t; -} - -type env = { - env_globals : globals; (* globals = constants + inductive types + modules + module-types *) - env_named_context : named_context_val; (* section variables *) - env_rel_context : rel_context_val; - env_nb_rel : int; - env_stratification : stratification; - env_typing_flags : typing_flags; - retroknowledge : Retroknowledge.retroknowledge; - indirect_pterms : Opaqueproof.opaquetab; -} - -let empty_named_context_val = { - env_named_ctx = []; - env_named_map = Id.Map.empty; -} - -let empty_rel_context_val = { - env_rel_ctx = []; - env_rel_map = Range.empty; -} - -let empty_env = { - env_globals = { - env_constants = Cmap_env.empty; - env_inductives = Mindmap_env.empty; - env_modules = MPmap.empty; - env_modtypes = MPmap.empty}; - env_named_context = empty_named_context_val; - env_rel_context = empty_rel_context_val; - env_nb_rel = 0; - env_stratification = { - env_universes = UGraph.initial_universes; - env_engagement = PredicativeSet }; - env_typing_flags = Declareops.safe_flags Conv_oracle.empty; - retroknowledge = Retroknowledge.initial_retroknowledge; - indirect_pterms = Opaqueproof.empty_opaquetab } - - -(* Rel context *) - -let nb_rel env = env.env_nb_rel - -let push_rel_context_val d ctx = { - env_rel_ctx = Context.Rel.add d ctx.env_rel_ctx; - env_rel_map = Range.cons (d, ref VKnone) ctx.env_rel_map; -} - -let match_rel_context_val ctx = match ctx.env_rel_ctx with -| [] -> None -| decl :: rem -> - let (_, lval) = Range.hd ctx.env_rel_map in - let ctx = { env_rel_ctx = rem; env_rel_map = Range.tl ctx.env_rel_map } in - Some (decl, lval, ctx) - -let push_rel d env = - { env with - env_rel_context = push_rel_context_val d env.env_rel_context; - env_nb_rel = env.env_nb_rel + 1 } - -let lookup_rel n env = - try fst (Range.get env.env_rel_context.env_rel_map (n - 1)) - with Invalid_argument _ -> raise Not_found - -let lookup_rel_val n env = - try snd (Range.get env.env_rel_context.env_rel_map (n - 1)) - with Invalid_argument _ -> raise Not_found - -let rel_skipn n ctx = { - env_rel_ctx = Util.List.skipn n ctx.env_rel_ctx; - env_rel_map = Range.skipn n ctx.env_rel_map; -} - -let env_of_rel n env = - { env with - env_rel_context = rel_skipn n env.env_rel_context; - env_nb_rel = env.env_nb_rel - n - } - -(* Named context *) - -let push_named_context_val_val d rval ctxt = -(* assert (not (Id.Map.mem (NamedDecl.get_id d) ctxt.env_named_map)); *) - { - env_named_ctx = Context.Named.add d ctxt.env_named_ctx; - env_named_map = Id.Map.add (NamedDecl.get_id d) (d, rval) ctxt.env_named_map; - } - -let push_named_context_val d ctxt = - push_named_context_val_val d (ref VKnone) ctxt - -let match_named_context_val c = match c.env_named_ctx with -| [] -> None -| decl :: ctx -> - let (_, v) = Id.Map.find (NamedDecl.get_id decl) c.env_named_map in - let map = Id.Map.remove (NamedDecl.get_id decl) c.env_named_map in - let cval = { env_named_ctx = ctx; env_named_map = map } in - Some (decl, v, cval) - -let map_named_val f ctxt = - let open Context.Named.Declaration in - let fold accu d = - let d' = map_constr f d in - let accu = - if d == d' then accu - else Id.Map.modify (get_id d) (fun _ (_, v) -> (d', v)) accu - in - (accu, d') - in - let map, ctx = List.fold_left_map fold ctxt.env_named_map ctxt.env_named_ctx in - if map == ctxt.env_named_map then ctxt - else { env_named_ctx = ctx; env_named_map = map } - -let push_named d env = - {env with env_named_context = push_named_context_val d env.env_named_context} - -let lookup_named id env = - fst (Id.Map.find id env.env_named_context.env_named_map) - -let lookup_named_val id env = - snd(Id.Map.find id env.env_named_context.env_named_map) - -(* Warning all the names should be different *) -let env_of_named id env = env - -(* Global constants *) - -let lookup_constant_key kn env = - Cmap_env.find kn env.env_globals.env_constants - -let lookup_constant kn env = - fst (Cmap_env.find kn env.env_globals.env_constants) - -(* Mutual Inductives *) -let lookup_mind kn env = - fst (Mindmap_env.find kn env.env_globals.env_inductives) - -let lookup_mind_key kn env = - Mindmap_env.find kn env.env_globals.env_inductives diff --git a/kernel/pre_env.mli b/kernel/pre_env.mli deleted file mode 100644 index b05074814b..0000000000 --- a/kernel/pre_env.mli +++ /dev/null @@ -1,108 +0,0 @@ -(************************************************************************) -(* * The Coq Proof Assistant / The Coq Development Team *) -(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) -(* <O___,, * (see CREDITS file for the list of authors) *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(* * (see LICENSE file for the text of the license) *) -(************************************************************************) - -open Names -open Constr -open Declarations - -(** The type of environments. *) - -type link_info = - | Linked of string - | LinkedInteractive of string - | NotLinked - -type key = int CEphemeron.key option ref - -type constant_key = constant_body * (link_info ref * key) - -type mind_key = mutual_inductive_body * link_info ref - -type globals = { - env_constants : constant_key Cmap_env.t; - env_inductives : mind_key Mindmap_env.t; - env_modules : module_body MPmap.t; - env_modtypes : module_type_body MPmap.t} - -type stratification = { - env_universes : UGraph.t; - env_engagement : engagement -} - -type lazy_val - -val force_lazy_val : lazy_val -> (Vmvalues.values * Id.Set.t) option -val dummy_lazy_val : unit -> lazy_val -val build_lazy_val : lazy_val -> (Vmvalues.values * Id.Set.t) -> unit - -type named_context_val = private { - env_named_ctx : Context.Named.t; - env_named_map : (Context.Named.Declaration.t * lazy_val) Id.Map.t; -} - -type rel_context_val = private { - env_rel_ctx : Context.Rel.t; - env_rel_map : (Context.Rel.Declaration.t * lazy_val) Range.t; -} - -type env = { - env_globals : globals; - env_named_context : named_context_val; - env_rel_context : rel_context_val; - env_nb_rel : int; - env_stratification : stratification; - env_typing_flags : typing_flags; - retroknowledge : Retroknowledge.retroknowledge; - indirect_pterms : Opaqueproof.opaquetab; -} - -val empty_named_context_val : named_context_val - -val empty_env : env - -(** Rel context *) - -val empty_rel_context_val : rel_context_val -val push_rel_context_val : - Context.Rel.Declaration.t -> rel_context_val -> rel_context_val -val match_rel_context_val : - rel_context_val -> (Context.Rel.Declaration.t * lazy_val * rel_context_val) option - -val nb_rel : env -> int -val push_rel : Context.Rel.Declaration.t -> env -> env -val lookup_rel : int -> env -> Context.Rel.Declaration.t -val lookup_rel_val : int -> env -> lazy_val -val env_of_rel : int -> env -> env - -(** Named context *) - -val push_named_context_val : - Context.Named.Declaration.t -> named_context_val -> named_context_val -val push_named_context_val_val : - Context.Named.Declaration.t -> lazy_val -> named_context_val -> named_context_val -val match_named_context_val : - named_context_val -> (Context.Named.Declaration.t * lazy_val * named_context_val) option -val map_named_val : - (constr -> constr) -> named_context_val -> named_context_val - -val push_named : Context.Named.Declaration.t -> env -> env -val lookup_named : Id.t -> env -> Context.Named.Declaration.t -val lookup_named_val : Id.t -> env -> lazy_val -val env_of_named : Id.t -> env -> env - -(** Global constants *) - - -val lookup_constant_key : Constant.t -> env -> constant_key -val lookup_constant : Constant.t -> env -> constant_body - -(** Mutual Inductives *) -val lookup_mind_key : MutInd.t -> env -> mind_key -val lookup_mind : MutInd.t -> env -> mutual_inductive_body diff --git a/kernel/reduction.ml b/kernel/reduction.ml index 81fbd4f5ef..97cd4c00d7 100644 --- a/kernel/reduction.ml +++ b/kernel/reduction.ml @@ -53,9 +53,9 @@ let compare_stack_shape stk1 stk2 = | (_, (Zupdate _|Zshift _)::s2) -> compare_rec bal stk1 s2 | (Zapp l1::s1, _) -> compare_rec (bal+Array.length l1) s1 stk2 | (_, Zapp l2::s2) -> compare_rec (bal-Array.length l2) stk1 s2 - | (Zproj (n1,m1,p1)::s1, Zproj (n2,m2,p2)::s2) -> + | (Zproj _p1::s1, Zproj _p2::s2) -> Int.equal bal 0 && compare_rec 0 s1 s2 - | (ZcaseT(c1,_,_,_)::s1, ZcaseT(c2,_,_,_)::s2) -> + | (ZcaseT(_c1,_,_,_)::s1, ZcaseT(_c2,_,_,_)::s2) -> Int.equal bal 0 (* && c1.ci_ind = c2.ci_ind *) && compare_rec 0 s1 s2 | (Zfix(_,a1)::s1, Zfix(_,a2)::s2) -> Int.equal bal 0 && compare_rec 0 a1 a2 && compare_rec 0 s1 s2 @@ -66,9 +66,9 @@ let compare_stack_shape stk1 stk2 = type lft_constr_stack_elt = Zlapp of (lift * fconstr) array - | Zlproj of Constant.t * lift + | Zlproj of Projection.Repr.t * lift | Zlfix of (lift * fconstr) * lft_constr_stack - | Zlcase of case_info * lift * fconstr * fconstr array + | Zlcase of case_info * lift * constr * constr array * fconstr subs and lft_constr_stack = lft_constr_stack_elt list let rec zlapp v = function @@ -84,7 +84,7 @@ let map_lift (l : lift) (v : fconstr array) = match v with | [|c0; c1|] -> [|(l, c0); (l, c1)|] | [|c0; c1; c2|] -> [|(l, c0); (l, c1); (l, c2)|] | [|c0; c1; c2; c3|] -> [|(l, c0); (l, c1); (l, c2); (l, c3)|] -| v -> CArray.Fun1.map (fun l t -> (l, t)) l v +| v -> Array.Fun1.map (fun l t -> (l, t)) l v let pure_stack lfts stk = let rec pure_rec lfts stk = @@ -96,13 +96,13 @@ let pure_stack lfts stk = | (Zshift n,(l,pstk)) -> (el_shft n l, pstk) | (Zapp a, (l,pstk)) -> (l,zlapp (map_lift l a) pstk) - | (Zproj (n,m,c), (l,pstk)) -> - (l, Zlproj (c,l)::pstk) + | (Zproj p, (l,pstk)) -> + (l, Zlproj (p,l)::pstk) | (Zfix(fx,a),(l,pstk)) -> let (lfx,pa) = pure_rec l a in (l, Zlfix((lfx,fx),pa)::pstk) | (ZcaseT(ci,p,br,e),(l,pstk)) -> - (l,Zlcase(ci,l,mk_clos e p,Array.map (mk_clos e) br)::pstk)) + (l,Zlcase(ci,l,p,br,e)::pstk)) in snd (pure_rec lfts stk) @@ -177,7 +177,7 @@ type 'a kernel_conversion_function = env -> 'a -> 'a -> unit (* functions of this type can be called from outside the kernel *) type 'a extended_conversion_function = - ?l2r:bool -> ?reds:Names.transparent_state -> env -> + ?l2r:bool -> ?reds:TransparentState.t -> env -> ?evars:((existential->constr option) * UGraph.t) -> 'a -> 'a -> unit @@ -261,7 +261,7 @@ let convert_constructors_gen cmp_instances cmp_cumul (mind, ind, cns) nargs u1 u s | Declarations.Polymorphic_ind _ -> cmp_instances u1 u2 s - | Declarations.Cumulative_ind cumi -> + | Declarations.Cumulative_ind _cumi -> let num_cnstr_args = constructor_cumulativity_arguments (mind,ind,cns) in if not (Int.equal num_cnstr_args nargs) then cmp_instances u1 u2 s @@ -288,36 +288,18 @@ let conv_table_key infos k1 k2 cuniv = | RelKey n, RelKey n' when Int.equal n n' -> cuniv | _ -> raise NotConvertible -let compare_stacks f fmind lft1 stk1 lft2 stk2 cuniv = - let rec cmp_rec pstk1 pstk2 cuniv = - match (pstk1,pstk2) with - | (z1::s1, z2::s2) -> - let cu1 = cmp_rec s1 s2 cuniv in - (match (z1,z2) with - | (Zlapp a1,Zlapp a2) -> - Array.fold_right2 f a1 a2 cu1 - | (Zlproj (c1,l1),Zlproj (c2,l2)) -> - if not (Constant.equal c1 c2) then - raise NotConvertible - else cu1 - | (Zlfix(fx1,a1),Zlfix(fx2,a2)) -> - let cu2 = f fx1 fx2 cu1 in - cmp_rec a1 a2 cu2 - | (Zlcase(ci1,l1,p1,br1),Zlcase(ci2,l2,p2,br2)) -> - if not (fmind ci1.ci_ind ci2.ci_ind) then - raise NotConvertible; - let cu2 = f (l1,p1) (l2,p2) cu1 in - Array.fold_right2 (fun c1 c2 -> f (l1,c1) (l2,c2)) br1 br2 cu2 - | _ -> assert false) - | _ -> cuniv in - if compare_stack_shape stk1 stk2 then - cmp_rec (pure_stack lft1 stk1) (pure_stack lft2 stk2) cuniv - else raise NotConvertible +exception IrregularPatternShape + +let rec skip_pattern n c = + if Int.equal n 0 then c + else match kind c with + | Lambda (_, _, c) -> skip_pattern (pred n) c + | _ -> raise IrregularPatternShape type conv_tab = { cnv_inf : clos_infos; - lft_tab : fconstr infos_tab; - rgt_tab : fconstr infos_tab; + lft_tab : clos_tab; + rgt_tab : clos_tab; } (** Invariant: for any tl ∈ lft_tab and tr ∈ rgt_tab, there is no mutable memory location contained both in tl and in tr. *) @@ -346,7 +328,7 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = | (Sort s1, Sort s2) -> if not (is_empty_stack v1 && is_empty_stack v2) then anomaly (Pp.str "conversion was given ill-typed terms (Sort)."); - sort_cmp_universes (env_of_infos infos.cnv_inf) cv_pb s1 s2 cuniv + sort_cmp_universes (info_env infos.cnv_inf) cv_pb s1 s2 cuniv | (Meta n, Meta m) -> if Int.equal n m then convert_stacks l2r infos lft1 lft2 v1 v2 cuniv @@ -408,7 +390,7 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = | Some s2 -> eqappr cv_pb l2r infos appr1 (lft2, (c2, (s2 :: v2))) cuniv | None -> - if Constant.equal (Projection.constant p1) (Projection.constant p2) + if Projection.Repr.equal (Projection.repr p1) (Projection.repr p2) && compare_stack_shape v1 v2 then let el1 = el_stack lft1 v1 in let el2 = el_stack lft2 v2 in @@ -456,14 +438,14 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = let cuniv = ccnv CONV l2r infos el1 el2 ty1 ty2 cuniv in ccnv CONV l2r infos (el_lift el1) (el_lift el2) bd1 bd2 cuniv - | (FProd (_,c1,c2), FProd (_,c'1,c'2)) -> + | (FProd (_, c1, c2, e), FProd (_, c'1, c'2, e')) -> if not (is_empty_stack v1 && is_empty_stack v2) then anomaly (Pp.str "conversion was given ill-typed terms (FProd)."); (* Luo's system *) let el1 = el_stack lft1 v1 in let el2 = el_stack lft2 v2 in let cuniv = ccnv CONV l2r infos el1 el2 c1 c'1 cuniv in - ccnv cv_pb l2r infos (el_lift el1) (el_lift el2) c2 c'2 cuniv + ccnv cv_pb l2r infos (el_lift el1) (el_lift el2) (mk_clos (subs_lift e) c2) (mk_clos (subs_lift e') c'2) cuniv (* Eta-expansion on the fly *) | (FLambda _, _) -> @@ -498,7 +480,7 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = eqappr cv_pb l2r infos (lft1, r1) appr2 cuniv | None -> match c2 with - | FConstruct ((ind2,j2),u2) -> + | FConstruct ((ind2,_j2),_u2) -> (try let v2, v1 = eta_expand_ind_stack (info_env infos.cnv_inf) ind2 hd2 v2 (snd appr1) @@ -515,7 +497,7 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = eqappr cv_pb l2r infos appr1 (lft2, r2) cuniv | None -> match c1 with - | FConstruct ((ind1,j1),u1) -> + | FConstruct ((ind1,_j1),_u1) -> (try let v1, v2 = eta_expand_ind_stack (info_env infos.cnv_inf) ind1 hd1 v1 (snd appr2) in convert_stacks l2r infos lft1 lft2 v1 v2 cuniv @@ -554,14 +536,14 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = else raise NotConvertible (* Eta expansion of records *) - | (FConstruct ((ind1,j1),u1), _) -> + | (FConstruct ((ind1,_j1),_u1), _) -> (try let v1, v2 = eta_expand_ind_stack (info_env infos.cnv_inf) ind1 hd1 v1 (snd appr2) in convert_stacks l2r infos lft1 lft2 v1 v2 cuniv with Not_found -> raise NotConvertible) - | (_, FConstruct ((ind2,j2),u2)) -> + | (_, FConstruct ((ind2,_j2),_u2)) -> (try let v2, v1 = eta_expand_ind_stack (info_env infos.cnv_inf) ind2 hd2 v2 (snd appr1) @@ -605,16 +587,37 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = (* Should not happen because both (hd1,v1) and (hd2,v2) are in whnf *) | ( (FLetIn _, _) | (FCaseT _,_) | (FApp _,_) | (FCLOS _,_) | (FLIFT _,_) | (_, FLetIn _) | (_,FCaseT _) | (_,FApp _) | (_,FCLOS _) | (_,FLIFT _) - | (FLOCKED,_) | (_,FLOCKED) ) | (FCast _, _) | (_, FCast _) -> assert false + | (FLOCKED,_) | (_,FLOCKED) ) -> assert false | (FRel _ | FAtom _ | FInd _ | FFix _ | FCoFix _ | FProd _ | FEvar _), _ -> raise NotConvertible and convert_stacks l2r infos lft1 lft2 stk1 stk2 cuniv = - compare_stacks - (fun (l1,t1) (l2,t2) cuniv -> ccnv CONV l2r infos l1 l2 t1 t2 cuniv) - (eq_ind) - lft1 stk1 lft2 stk2 cuniv + let f (l1, t1) (l2, t2) cuniv = ccnv CONV l2r infos l1 l2 t1 t2 cuniv in + let rec cmp_rec pstk1 pstk2 cuniv = + match (pstk1,pstk2) with + | (z1::s1, z2::s2) -> + let cu1 = cmp_rec s1 s2 cuniv in + (match (z1,z2) with + | (Zlapp a1,Zlapp a2) -> + Array.fold_right2 f a1 a2 cu1 + | (Zlproj (c1,_l1),Zlproj (c2,_l2)) -> + if not (Projection.Repr.equal c1 c2) then + raise NotConvertible + else cu1 + | (Zlfix(fx1,a1),Zlfix(fx2,a2)) -> + let cu2 = f fx1 fx2 cu1 in + cmp_rec a1 a2 cu2 + | (Zlcase(ci1,l1,p1,br1,e1),Zlcase(ci2,l2,p2,br2,e2)) -> + if not (eq_ind ci1.ci_ind ci2.ci_ind) then + raise NotConvertible; + let cu2 = f (l1, mk_clos e1 p1) (l2, mk_clos e2 p2) cu1 in + convert_branches l2r infos ci1 e1 e2 l1 l2 br1 br2 cu2 + | _ -> assert false) + | _ -> cuniv in + if compare_stack_shape stk1 stk2 then + cmp_rec (pure_stack lft1 stk1) (pure_stack lft2 stk2) cuniv + else raise NotConvertible and convert_vect l2r infos lft1 lft2 v1 v2 cuniv = let lv1 = Array.length v1 in @@ -629,6 +632,22 @@ and convert_vect l2r infos lft1 lft2 v1 v2 cuniv = fold 0 cuniv else raise NotConvertible +and convert_branches l2r infos ci e1 e2 lft1 lft2 br1 br2 cuniv = + (** Skip comparison of the pattern types. We know that the two terms are + living in a common type, thus this check is useless. *) + let fold n c1 c2 cuniv = match skip_pattern n c1, skip_pattern n c2 with + | (c1, c2) -> + let lft1 = el_liftn n lft1 in + let lft2 = el_liftn n lft2 in + let e1 = subs_liftn n e1 in + let e2 = subs_liftn n e2 in + ccnv CONV l2r infos lft1 lft2 (mk_clos e1 c1) (mk_clos e2 c2) cuniv + | exception IrregularPatternShape -> + (** Might happen due to a shape invariant that is not enforced *) + ccnv CONV l2r infos lft1 lft2 (mk_clos e1 c1) (mk_clos e2 c2) cuniv + in + Array.fold_right3 fold ci.ci_cstr_nargs br1 br2 cuniv + let clos_gen_conv trans cv_pb l2r evars env univs t1 t2 = let reds = CClosure.RedFlags.red_add_transparent betaiotazeta trans in let infos = create_clos_infos ~evars reds env in @@ -648,30 +667,25 @@ let check_leq univs u u' = let check_sort_cmp_universes env pb s0 s1 univs = let open Sorts in - match (s0,s1) with - | (Prop c1, Prop c2) when is_cumul pb -> - begin match c1, c2 with - | Null, _ | _, Pos -> () (* Prop <= Set *) - | _ -> raise NotConvertible - end - | (Prop c1, Prop c2) -> if c1 != c2 then raise NotConvertible - | (Prop c1, Type u) -> - if not (type_in_type env) then - let u0 = univ_of_sort s0 in - (match pb with - | CUMUL -> check_leq univs u0 u - | CONV -> check_eq univs u0 u) - | (Type u, Prop c) -> raise NotConvertible - | (Type u1, Type u2) -> - if not (type_in_type env) then - (match pb with - | CUMUL -> check_leq univs u1 u2 - | CONV -> check_eq univs u1 u2) + if not (type_in_type env) then + let check_pb u0 u1 = + match pb with + | CUMUL -> check_leq univs u0 u1 + | CONV -> check_eq univs u0 u1 + in + match (s0,s1) with + | Prop, Prop | Set, Set -> () + | Prop, (Set | Type _) -> if not (is_cumul pb) then raise NotConvertible + | Set, Prop -> raise NotConvertible + | Set, Type u -> check_pb Univ.type0_univ u + | Type _u, Prop -> raise NotConvertible + | Type u, Set -> check_pb u Univ.type0_univ + | Type u0, Type u1 -> check_pb u0 u1 let checked_sort_cmp_universes env pb s0 s1 univs = check_sort_cmp_universes env pb s0 s1 univs; univs -let check_convert_instances ~flex u u' univs = +let check_convert_instances ~flex:_ u u' univs = if UGraph.check_eq_instances univs u u' then univs else raise NotConvertible @@ -694,30 +708,27 @@ let infer_eq (univs, cstrs as cuniv) u u' = let infer_leq (univs, cstrs as cuniv) u u' = if UGraph.check_leq univs u u' then cuniv else - let cstrs' = Univ.enforce_leq u u' cstrs in - univs, cstrs' + let cstrs', _ = UGraph.enforce_leq_alg u u' univs in + univs, Univ.Constraint.union cstrs cstrs' let infer_cmp_universes env pb s0 s1 univs = - let open Sorts in - match (s0,s1) with - | (Prop c1, Prop c2) when is_cumul pb -> - begin match c1, c2 with - | Null, _ | _, Pos -> univs (* Prop <= Set *) - | _ -> raise NotConvertible - end - | (Prop c1, Prop c2) -> if c1 == c2 then univs else raise NotConvertible - | (Prop c1, Type u) -> - let u0 = univ_of_sort s0 in - (match pb with - | CUMUL -> infer_leq univs u0 u - | CONV -> infer_eq univs u0 u) - | (Type u, Prop c) -> raise NotConvertible - | (Type u1, Type u2) -> - if not (type_in_type env) then - (match pb with - | CUMUL -> infer_leq univs u1 u2 - | CONV -> infer_eq univs u1 u2) - else univs + if type_in_type env + then univs + else + let open Sorts in + let infer_pb u0 u1 = + match pb with + | CUMUL -> infer_leq univs u0 u1 + | CONV -> infer_eq univs u0 u1 + in + match (s0,s1) with + | Prop, Prop | Set, Set -> univs + | Prop, (Set | Type _) -> if not (is_cumul pb) then raise NotConvertible else univs + | Set, Prop -> raise NotConvertible + | Set, Type u -> infer_pb Univ.type0_univ u + | Type _u, Prop -> raise NotConvertible + | Type u, Set -> infer_pb u Univ.type0_univ + | Type u0, Type u1 -> infer_pb u0 u1 let infer_convert_instances ~flex u u' (univs,cstrs) = let cstrs' = @@ -747,7 +758,7 @@ let gen_conv cv_pb l2r reds env evars univs t1 t2 = () (* Profiling *) -let gen_conv cv_pb ?(l2r=false) ?(reds=full_transparent_state) env ?(evars=(fun _->None), universes env) = +let gen_conv cv_pb ?(l2r=false) ?(reds=TransparentState.full) env ?(evars=(fun _->None), universes env) = let evars, univs = evars in if Flags.profile then let fconv_universes_key = CProfile.declare_profile "trans_fconv_universes" in @@ -781,33 +792,15 @@ let infer_conv_universes = CProfile.profile8 infer_conv_universes_key infer_conv_universes else infer_conv_universes -let infer_conv ?(l2r=false) ?(evars=fun _ -> None) ?(ts=full_transparent_state) +let infer_conv ?(l2r=false) ?(evars=fun _ -> None) ?(ts=TransparentState.full) env univs t1 t2 = infer_conv_universes CONV l2r evars ts env univs t1 t2 -let infer_conv_leq ?(l2r=false) ?(evars=fun _ -> None) ?(ts=full_transparent_state) +let infer_conv_leq ?(l2r=false) ?(evars=fun _ -> None) ?(ts=TransparentState.full) env univs t1 t2 = infer_conv_universes CUMUL l2r evars ts env univs t1 t2 -(* This reference avoids always having to link C code with the kernel *) -let vm_conv = ref (fun cv_pb env -> - gen_conv cv_pb env ~evars:((fun _->None), universes env)) - -let warn_bytecode_compiler_failed = - let open Pp in - CWarnings.create ~name:"bytecode-compiler-failed" ~category:"bytecode-compiler" - (fun () -> strbrk "Bytecode compiler failed, " ++ - strbrk "falling back to standard conversion") - -let set_vm_conv (f:conv_pb -> types kernel_conversion_function) = vm_conv := f -let vm_conv cv_pb env t1 t2 = - try - !vm_conv cv_pb env t1 t2 - with Not_found | Invalid_argument _ -> - warn_bytecode_compiler_failed (); - gen_conv cv_pb env t1 t2 - -let default_conv cv_pb ?(l2r=false) env t1 t2 = +let default_conv cv_pb ?l2r:_ env t1 t2 = gen_conv cv_pb env t1 t2 let default_conv_leq = default_conv CUMUL @@ -880,6 +873,17 @@ let dest_prod env = in decrec env Context.Rel.empty +let dest_lam env = + let rec decrec env m c = + let t = whd_all env c in + match kind t with + | Lambda (n,a,c0) -> + let d = LocalAssum (n,a) in + decrec (push_rel d env) (Context.Rel.add d m) c0 + | _ -> m,t + in + decrec env Context.Rel.empty + (* The same but preserving lets in the context, not internal ones. *) let dest_prod_assum env = let rec prodec_rec env l ty = @@ -925,3 +929,12 @@ let is_arity env c = let _ = dest_arity env c in true with NotArity -> false + +let eta_expand env t ty = + let ctxt, _codom = dest_prod env ty in + let ctxt',t = dest_lam env t in + let d = Context.Rel.nhyps ctxt - Context.Rel.nhyps ctxt' in + let eta_args = List.rev_map mkRel (List.interval 1 d) in + let t = Term.applistc (Vars.lift d t) eta_args in + let t = Term.it_mkLambda_or_LetIn t (List.firstn d ctxt) in + Term.it_mkLambda_or_LetIn t ctxt' diff --git a/kernel/reduction.mli b/kernel/reduction.mli index 14e4270b7c..0408dbf057 100644 --- a/kernel/reduction.mli +++ b/kernel/reduction.mli @@ -31,7 +31,7 @@ exception NotConvertibleVect of int type 'a kernel_conversion_function = env -> 'a -> 'a -> unit type 'a extended_conversion_function = - ?l2r:bool -> ?reds:Names.transparent_state -> env -> + ?l2r:bool -> ?reds:TransparentState.t -> env -> ?evars:((existential->constr option) * UGraph.t) -> 'a -> 'a -> unit @@ -77,19 +77,15 @@ val conv_leq : types extended_conversion_function (** These conversion functions are used by module subtyping, which needs to infer universe constraints inside the kernel *) val infer_conv : ?l2r:bool -> ?evars:(existential->constr option) -> - ?ts:Names.transparent_state -> constr infer_conversion_function + ?ts:TransparentState.t -> constr infer_conversion_function val infer_conv_leq : ?l2r:bool -> ?evars:(existential->constr option) -> - ?ts:Names.transparent_state -> types infer_conversion_function + ?ts:TransparentState.t -> types infer_conversion_function (** Depending on the universe state functions, this might raise [UniverseInconsistency] in addition to [NotConvertible] (for better error messages). *) val generic_conv : conv_pb -> l2r:bool -> (existential->constr option) -> - Names.transparent_state -> (constr,'a) generic_conversion_function - -(** option for conversion *) -val set_vm_conv : (conv_pb -> types kernel_conversion_function) -> unit -val vm_conv : conv_pb -> types kernel_conversion_function + TransparentState.t -> (constr,'a) generic_conversion_function val default_conv : conv_pb -> ?l2r:bool -> types kernel_conversion_function val default_conv_leq : ?l2r:bool -> types kernel_conversion_function @@ -120,13 +116,14 @@ val betazeta_appvect : int -> constr -> constr array -> constr (*********************************************************************** s Recognizing products and arities modulo reduction *) -val dest_prod : env -> types -> Context.Rel.t * types -val dest_prod_assum : env -> types -> Context.Rel.t * types -val dest_lam_assum : env -> types -> Context.Rel.t * types +val dest_prod : env -> types -> Constr.rel_context * types +val dest_prod_assum : env -> types -> Constr.rel_context * types +val dest_lam : env -> constr -> Constr.rel_context * constr +val dest_lam_assum : env -> constr -> Constr.rel_context * constr exception NotArity val dest_arity : env -> types -> Term.arity (* raises NotArity if not an arity *) val is_arity : env -> types -> bool -val warn_bytecode_compiler_failed : ?loc:Loc.t -> unit -> unit +val eta_expand : env -> constr -> types -> constr diff --git a/kernel/retroknowledge.ml b/kernel/retroknowledge.ml index d76b05a8bb..e51c25c06b 100644 --- a/kernel/retroknowledge.ml +++ b/kernel/retroknowledge.ml @@ -19,28 +19,9 @@ open Names open Constr (* The retroknowledge defines a bijective correspondance between some - [entry]-s (which are, in fact, merely terms) and [field]-s which + [entry]-s (which are, in fact, merely names) and [field]-s which are roles assigned to these entries. *) -(* aliased type for clarity purpose*) -type entry = Constr.t - -(* [field]-s are the roles the kernel can learn of. *) -type nat_field = - | NatType - | NatPlus - | NatTimes - -type n_field = - | NPositive - | NType - | NTwice - | NTwicePlusOne - | NPhi - | NPhiInv - | NPlus - | NTimes - type int31_field = | Int31Bits | Int31Type @@ -69,11 +50,37 @@ type int31_field = | Int31Lxor type field = - (* | KEq - | KNat of nat_field - | KN of n_field *) - | KInt31 of string*int31_field - + | KInt31 of int31_field + +let int31_field_of_string = + function + | "bits" -> Int31Bits + | "type" -> Int31Type + | "twice" -> Int31Twice + | "twice_plus_one" -> Int31TwicePlusOne + | "phi" -> Int31Phi + | "phi_inv" -> Int31PhiInv + | "plus" -> Int31Plus + | "plusc" -> Int31PlusC + | "pluscarryc" -> Int31PlusCarryC + | "minus" -> Int31Minus + | "minusc" -> Int31MinusC + | "minuscarryc" -> Int31MinusCarryC + | "times" -> Int31Times + | "timesc" -> Int31TimesC + | "div21" -> Int31Div21 + | "div" -> Int31Div + | "diveucl" -> Int31Diveucl + | "addmuldiv" -> Int31AddMulDiv + | "compare" -> Int31Compare + | "head0" -> Int31Head0 + | "tail0" -> Int31Tail0 + | "lor" -> Int31Lor + | "land" -> Int31Land + | "lxor" -> Int31Lxor + | s -> CErrors.user_err Pp.(str "Registering unknown int31 operator " ++ str s) + +let int31_path = DirPath.make [ Id.of_string "int31" ] (* record representing all the flags of the internal state of the kernel *) type flags = {fastcomputation : bool} @@ -87,19 +94,13 @@ type flags = {fastcomputation : bool} module Proactive = Map.Make (struct type t = field let compare = Pervasives.compare end) -type proactive = entry Proactive.t +type proactive = GlobRef.t Proactive.t (* The [reactive] knowledge contains the mapping [entry->field]. Fields are later to be interpreted as a [reactive_info]. *) -module EntryOrd = -struct - type t = entry - let compare = Constr.compare -end - -module Reactive = Map.Make (EntryOrd) +module Reactive = GlobRef.Map type reactive_info = {(*information required by the compiler of the VM *) vm_compiling : @@ -146,7 +147,7 @@ and retroknowledge = {flags : flags; proactive : proactive; reactive : reactive} (* As per now, there is only the possibility of registering things the possibility of unregistering or changing the flag is under study *) type action = - | RKRegister of field*entry + | RKRegister of field * GlobRef.t (*initialisation*) diff --git a/kernel/retroknowledge.mli b/kernel/retroknowledge.mli index 0334e7a9e9..0a2ef5300e 100644 --- a/kernel/retroknowledge.mli +++ b/kernel/retroknowledge.mli @@ -13,26 +13,8 @@ open Constr type retroknowledge -(** aliased type for clarity purpose*) -type entry = Constr.t - (** the following types correspond to the different "things" the kernel can learn about.*) -type nat_field = - | NatType - | NatPlus - | NatTimes - -type n_field = - | NPositive - | NType - | NTwice - | NTwicePlusOne - | NPhi - | NPhiInv - | NPlus - | NTimes - type int31_field = | Int31Bits | Int31Type @@ -61,19 +43,18 @@ type int31_field = | Int31Lxor type field = + | KInt31 of int31_field -(** | KEq - | KNat of nat_field - | KN of n_field *) - | KInt31 of string*int31_field +val int31_field_of_string : string -> int31_field +val int31_path : DirPath.t (** This type represent an atomic action of the retroknowledge. It is stored in the compiled libraries As per now, there is only the possibility of registering things the possibility of unregistering or changing the flag is under study *) type action = - | RKRegister of field*entry + | RKRegister of field * GlobRef.t (** initial value for retroknowledge *) @@ -84,7 +65,7 @@ val initial_retroknowledge : retroknowledge and the continuation cont of the bytecode compilation returns the compilation of id in cont if it has a specific treatment or raises Not_found if id should be compiled as usual *) -val get_vm_compiling_info : retroknowledge -> entry -> +val get_vm_compiling_info : retroknowledge -> GlobRef.t -> Cinstr.lambda array -> Cinstr.lambda (*Given an identifier id (usually Construct _) and its argument array, returns a function that tries an ad-hoc optimisated @@ -93,7 +74,7 @@ val get_vm_compiling_info : retroknowledge -> entry -> raises Not_found if id should be compiled as usual, and expectingly CBytecodes.NotClosed if the term is not a closed constructor pattern (a constant for the compiler) *) -val get_vm_constant_static_info : retroknowledge -> entry -> +val get_vm_constant_static_info : retroknowledge -> GlobRef.t -> constr array -> Cinstr.lambda (*Given an identifier id (usually Construct _ ) @@ -101,45 +82,45 @@ val get_vm_constant_static_info : retroknowledge -> entry -> of id+args+cont when id has a specific treatment (in the case of 31-bit integers, that would be the dynamic compilation into integers) or raises Not_found if id should be compiled as usual *) -val get_vm_constant_dynamic_info : retroknowledge -> entry -> +val get_vm_constant_dynamic_info : retroknowledge -> GlobRef.t -> Cinstr.lambda array -> Cinstr.lambda (** Given a type identifier, this function is used before compiling a match over this type. In the case of 31-bit integers for instance, it is used to add the instruction sequence which would perform a dynamic decompilation in case the argument of the match is not in coq representation *) -val get_vm_before_match_info : retroknowledge -> entry -> Cinstr.lambda +val get_vm_before_match_info : retroknowledge -> GlobRef.t -> Cinstr.lambda -> Cinstr.lambda (** Given a type identifier, this function is used by pretyping/vnorm.ml to recover the elements of that type from their compiled form if it's non standard (it is used (and can be used) only when the compiled form is not a block *) -val get_vm_decompile_constant_info : retroknowledge -> entry -> int -> constr +val get_vm_decompile_constant_info : retroknowledge -> GlobRef.t -> int -> constr -val get_native_compiling_info : retroknowledge -> entry -> Nativeinstr.prefix -> +val get_native_compiling_info : retroknowledge -> GlobRef.t -> Nativeinstr.prefix -> Nativeinstr.lambda array -> Nativeinstr.lambda -val get_native_constant_static_info : retroknowledge -> entry -> +val get_native_constant_static_info : retroknowledge -> GlobRef.t -> constr array -> Nativeinstr.lambda -val get_native_constant_dynamic_info : retroknowledge -> entry -> +val get_native_constant_dynamic_info : retroknowledge -> GlobRef.t -> Nativeinstr.prefix -> constructor -> Nativeinstr.lambda array -> Nativeinstr.lambda -val get_native_before_match_info : retroknowledge -> entry -> +val get_native_before_match_info : retroknowledge -> GlobRef.t -> Nativeinstr.prefix -> constructor -> Nativeinstr.lambda -> Nativeinstr.lambda -(** the following functions are solely used in Pre_env and Environ to implement +(** the following functions are solely used in Environ and Safe_typing to implement the functions register and unregister (and mem) of Environ *) -val add_field : retroknowledge -> field -> entry -> retroknowledge +val add_field : retroknowledge -> field -> GlobRef.t -> retroknowledge val mem : retroknowledge -> field -> bool (* val remove : retroknowledge -> field -> retroknowledge *) -val find : retroknowledge -> field -> entry +val find : retroknowledge -> field -> GlobRef.t (** Dispatching type for the above [get_*] functions. *) @@ -181,4 +162,4 @@ val empty_reactive_info : reactive_info (** Hook to be set after the compiler are installed to dispatch fields into the above [get_*] functions. *) -val dispatch_hook : (retroknowledge -> entry -> field -> reactive_info) Hook.t +val dispatch_hook : (retroknowledge -> GlobRef.t -> field -> reactive_info) Hook.t diff --git a/kernel/safe_typing.ml b/kernel/safe_typing.ml index de2a890fb5..df9e253135 100644 --- a/kernel/safe_typing.ml +++ b/kernel/safe_typing.ml @@ -59,6 +59,7 @@ etc. *) +open CErrors open Util open Names open Declarations @@ -167,6 +168,12 @@ let is_initial senv = let delta_of_senv senv = senv.modresolver,senv.paramresolver +let constant_of_delta_kn_senv senv kn = + Mod_subst.constant_of_deltas_kn senv.paramresolver senv.modresolver kn + +let mind_of_delta_kn_senv senv kn = + Mod_subst.mind_of_deltas_kn senv.paramresolver senv.modresolver kn + (** The safe_environment state monad *) type safe_transformer0 = safe_environment -> safe_environment @@ -185,7 +192,24 @@ let set_engagement c senv = engagement = Some c } let set_typing_flags c senv = - { senv with env = Environ.set_typing_flags c senv.env } + let env = Environ.set_typing_flags c senv.env in + if env == senv.env then senv + else { senv with env } + +let set_indices_matter indices_matter senv = + set_typing_flags { (Environ.typing_flags senv.env) with indices_matter } senv + +let set_share_reduction b senv = + let flags = Environ.typing_flags senv.env in + set_typing_flags { flags with share_reduction = b } senv + +let set_VM b senv = + let flags = Environ.typing_flags senv.env in + set_typing_flags { flags with enable_VM = b } senv + +let set_native_compiler b senv = + let flags = Environ.typing_flags senv.env in + set_typing_flags { flags with enable_native_compiler = b } senv (** Check that the engagement [c] expected by a library matches the current (initial) one *) @@ -209,59 +233,88 @@ let get_opaque_body env cbo = (Opaqueproof.force_proof (Environ.opaque_tables env) opaque, Opaqueproof.force_constraints (Environ.opaque_tables env) opaque) -type private_constant = Entries.side_effect -type private_constants = Term_typing.side_effects - -type private_constant_role = Term_typing.side_effect_role = - | Subproof - | Schema of inductive * string +type side_effect = { + from_env : Declarations.structure_body CEphemeron.key; + eff : Entries.side_eff list; +} -let empty_private_constants = Term_typing.empty_seff -let add_private = Term_typing.add_seff -let concat_private = Term_typing.concat_seff -let mk_pure_proof = Term_typing.mk_pure_proof -let inline_private_constants_in_constr = Term_typing.inline_side_effects -let inline_private_constants_in_definition_entry = Term_typing.inline_entry_side_effects -let side_effects_of_private_constants = Term_typing.uniq_seff +module SideEffects : +sig + type t + val repr : t -> side_effect list + val empty : t + val add : side_effect -> t -> t + val concat : t -> t -> t +end = +struct + +module SeffOrd = struct +open Entries +type t = side_effect +let compare e1 e2 = + let cmp e1 e2 = Constant.CanOrd.compare e1.seff_constant e2.seff_constant in + List.compare cmp e1.eff e2.eff +end + +module SeffSet = Set.Make(SeffOrd) + +type t = { seff : side_effect list; elts : SeffSet.t } +(** Invariant: [seff] is a permutation of the elements of [elts] *) + +let repr eff = eff.seff +let empty = { seff = []; elts = SeffSet.empty } +let add x es = + if SeffSet.mem x es.elts then es + else { seff = x :: es.seff; elts = SeffSet.add x es.elts } +let concat xes yes = + List.fold_right add xes.seff yes + +end + +type private_constants = SideEffects.t + +let side_effects_of_private_constants l = + let ans = List.rev (SideEffects.repr l) in + List.map_append (fun { eff; _ } -> eff) ans + +let empty_private_constants = SideEffects.empty +let add_private mb eff effs = + let from_env = CEphemeron.create mb in + SideEffects.add { eff; from_env } effs +let concat_private = SideEffects.concat + +let make_eff env cst r = + let open Entries in + let cbo = Environ.lookup_constant cst env.env in + { + seff_constant = cst; + seff_body = cbo; + seff_env = get_opaque_body env.env cbo; + seff_role = r; + } let private_con_of_con env c = - let cbo = Environ.lookup_constant c env.env in - { Entries.from_env = CEphemeron.create env.revstruct; - Entries.eff = Entries.SEsubproof (c,cbo,get_opaque_body env.env cbo) } + let open Entries in + let eff = [make_eff env c Subproof] in + add_private env.revstruct eff empty_private_constants let private_con_of_scheme ~kind env cl = - { Entries.from_env = CEphemeron.create env.revstruct; - Entries.eff = Entries.SEscheme( - List.map (fun (i,c) -> - let cbo = Environ.lookup_constant c env.env in - i, c, cbo, get_opaque_body env.env cbo) cl, - kind) } + let open Entries in + let eff = List.map (fun (i, c) -> make_eff env c (Schema (i, kind))) cl in + add_private env.revstruct eff empty_private_constants let universes_of_private eff = - let open Declarations in - List.fold_left - (fun acc { Entries.eff } -> - match eff with - | Entries.SEscheme (l,s) -> - List.fold_left - (fun acc (_,_,cb,c) -> - let acc = match c with - | `Nothing -> acc - | `Opaque (_, ctx) -> ctx :: acc - in - match cb.const_universes with - | Monomorphic_const ctx -> - ctx :: acc - | Polymorphic_const _ -> acc - ) - acc l - | Entries.SEsubproof (c, cb, e) -> - match cb.const_universes with - | Monomorphic_const ctx -> - ctx :: acc - | Polymorphic_const _ -> acc - ) - [] (Term_typing.uniq_seff eff) + let open Entries in + let fold acc eff = + let acc = match eff.seff_env with + | `Nothing -> acc + | `Opaque (_, ctx) -> ctx :: acc + in + match eff.seff_body.const_universes with + | Monomorphic_const ctx -> ctx :: acc + | Polymorphic_const _ -> acc + in + List.fold_left fold [] (side_effects_of_private_constants eff) let env_of_safe_env senv = senv.env let env_of_senv = env_of_safe_env @@ -283,7 +336,6 @@ let add_constraints_list cst senv = List.fold_left (fun acc c -> add_constraints c acc) senv cst let push_context_set poly ctx = add_constraints (Now (poly,ctx)) -let push_context poly ctx = add_constraints (Now (poly,Univ.ContextSet.of_context ctx)) let is_curmod_library senv = match senv.modvariant with LIBRARY -> true | _ -> false @@ -449,7 +501,7 @@ type generic_name = | M (** name already known, cf the mod_mp field *) | MT (** name already known, cf the mod_mp field *) -let add_field ((l,sfb) as field) gn senv = +let add_field ?(is_include=false) ((l,sfb) as field) gn senv = let mlabs,olabs = match sfb with | SFBmind mib -> let l = labels_of_mib mib in @@ -459,8 +511,18 @@ let add_field ((l,sfb) as field) gn senv = | SFBmodule _ | SFBmodtype _ -> check_modlabel l senv; (Label.Set.singleton l, Label.Set.empty) in - let cst = constraints_of_sfb senv.env sfb in - let senv = add_constraints_list cst senv in + let senv = + if is_include then + (* Universes and constraints were added when the included module + was defined eg in [Include F X.] (one of the trickier + versions of Include) the constraints on the fields are + exactly those of the fields of F which was defined + separately. *) + senv + else + let cst = constraints_of_sfb senv.env sfb in + add_constraints_list cst senv + in let env' = match sfb, gn with | SFBconst cb, C con -> Environ.add_constant con cb senv.env | SFBmind mib, I mind -> Environ.add_mind mind mib senv.env @@ -488,12 +550,12 @@ type global_declaration = | GlobalRecipe of Cooking.recipe type exported_private_constant = - Constant.t * private_constant_role + Constant.t * Entries.side_effect_role -let add_constant_aux no_section senv (kn, cb) = - let l = pi3 (Constant.repr3 kn) in +let add_constant_aux ~in_section senv (kn, cb) = + let l = Constant.label kn in let cb, otab = match cb.const_body with - | OpaqueDef lc when no_section -> + | OpaqueDef lc when not in_section -> (* In coqc, opaque constants outside sections will be stored indirectly in a specific table *) let od, otab = @@ -512,28 +574,241 @@ let add_constant_aux no_section senv (kn, cb) = in senv'' +let mk_pure_proof c = (c, Univ.ContextSet.empty), SideEffects.empty + +let inline_side_effects env body side_eff = + let open Entries in + let open Constr in + (** First step: remove the constants that are still in the environment *) + let filter { eff = se; from_env = mb } = + let map e = (e.seff_constant, e.seff_body, e.seff_env) in + let cbl = List.map map se in + let not_exists (c,_,_) = + try ignore(Environ.lookup_constant c env); false + with Not_found -> true in + let cbl = List.filter not_exists cbl in + (cbl, mb) + in + (* CAVEAT: we assure that most recent effects come first *) + let side_eff = List.map filter (SideEffects.repr side_eff) in + let sigs = List.rev_map (fun (cbl, mb) -> mb, List.length cbl) side_eff in + let side_eff = List.fold_left (fun accu (cbl, _) -> cbl @ accu) [] side_eff in + let side_eff = List.rev side_eff in + (** Most recent side-effects first in side_eff *) + if List.is_empty side_eff then (body, Univ.ContextSet.empty, sigs) + else + (** Second step: compute the lifts and substitutions to apply *) + let cname c = Name (Label.to_id (Constant.label c)) in + let fold (subst, var, ctx, args) (c, cb, b) = + let (b, opaque) = match cb.const_body, b with + | Def b, _ -> (Mod_subst.force_constr b, false) + | OpaqueDef _, `Opaque (b,_) -> (b, true) + | _ -> assert false + in + match cb.const_universes with + | Monomorphic_const univs -> + (** Abstract over the term at the top of the proof *) + let ty = cb.const_type in + let subst = Cmap_env.add c (Inr var) subst in + let ctx = Univ.ContextSet.union ctx univs in + (subst, var + 1, ctx, (cname c, b, ty, opaque) :: args) + | Polymorphic_const _ -> + (** Inline the term to emulate universe polymorphism *) + let subst = Cmap_env.add c (Inl b) subst in + (subst, var, ctx, args) + in + let (subst, len, ctx, args) = List.fold_left fold (Cmap_env.empty, 1, Univ.ContextSet.empty, []) side_eff in + (** Third step: inline the definitions *) + let rec subst_const i k t = match Constr.kind t with + | Const (c, u) -> + let data = try Some (Cmap_env.find c subst) with Not_found -> None in + begin match data with + | None -> t + | Some (Inl b) -> + (** [b] is closed but may refer to other constants *) + subst_const i k (Vars.subst_instance_constr u b) + | Some (Inr n) -> + mkRel (k + n - i) + end + | Rel n -> + (** Lift free rel variables *) + if n <= k then t + else mkRel (n + len - i - 1) + | _ -> Constr.map_with_binders ((+) 1) (fun k t -> subst_const i k t) k t + in + let map_args i (na, b, ty, opaque) = + (** Both the type and the body may mention other constants *) + let ty = subst_const (len - i - 1) 0 ty in + let b = subst_const (len - i - 1) 0 b in + (na, b, ty, opaque) + in + let args = List.mapi map_args args in + let body = subst_const 0 0 body in + let fold_arg (na, b, ty, opaque) accu = + if opaque then mkApp (mkLambda (na, ty, accu), [|b|]) + else mkLetIn (na, b, ty, accu) + in + let body = List.fold_right fold_arg args body in + (body, ctx, sigs) + +let inline_private_constants_in_definition_entry env ce = + let open Entries in + { ce with + const_entry_body = Future.chain + ce.const_entry_body (fun ((body, ctx), side_eff) -> + let body, ctx',_ = inline_side_effects env body side_eff in + let ctx' = Univ.ContextSet.union ctx ctx' in + (body, ctx'), ()); + } + +let inline_private_constants_in_constr env body side_eff = + pi1 (inline_side_effects env body side_eff) + +let rec is_nth_suffix n l suf = + if Int.equal n 0 then l == suf + else match l with + | [] -> false + | _ :: l -> is_nth_suffix (pred n) l suf + +(* Given the list of signatures of side effects, checks if they match. + * I.e. if they are ordered descendants of the current revstruct. + Returns the number of effects that can be trusted. *) +let check_signatures curmb sl = + let is_direct_ancestor accu (mb, how_many) = + match accu with + | None -> None + | Some (n, curmb) -> + try + let mb = CEphemeron.get mb in + if is_nth_suffix how_many mb curmb + then Some (n + how_many, mb) + else None + with CEphemeron.InvalidKey -> None in + let sl = List.fold_left is_direct_ancestor (Some (0, curmb)) sl in + match sl with + | None -> 0 + | Some (n, _) -> n + + +let constant_entry_of_side_effect cb u = + let open Entries in + let univs = + match cb.const_universes with + | Monomorphic_const uctx -> + Monomorphic_const_entry uctx + | Polymorphic_const auctx -> + Polymorphic_const_entry (Univ.AUContext.names auctx, Univ.AUContext.repr auctx) + in + let pt = + match cb.const_body, u with + | OpaqueDef _, `Opaque (b, c) -> b, c + | Def b, `Nothing -> Mod_subst.force_constr b, Univ.ContextSet.empty + | _ -> assert false in + DefinitionEntry { + const_entry_body = Future.from_val (pt, ()); + const_entry_secctx = None; + const_entry_feedback = None; + const_entry_type = Some cb.const_type; + const_entry_universes = univs; + const_entry_opaque = Declareops.is_opaque cb; + const_entry_inline_code = cb.const_inline_code } + +let turn_direct orig = + let open Entries in + let cb = orig.seff_body in + if Declareops.is_opaque cb then + let p = match orig.seff_env with + | `Opaque (b, c) -> (b, c) + | _ -> assert false + in + let const_body = OpaqueDef (Opaqueproof.create (Future.from_val p)) in + let cb = { cb with const_body } in + { orig with seff_body = cb } + else orig + +let export_eff eff = + let open Entries in + (eff.seff_constant, eff.seff_body, eff.seff_role) + +let export_side_effects mb env c = + let open Entries in + let body = c.const_entry_body in + let _, eff = Future.force body in + let ce = { c with + Entries.const_entry_body = Future.chain body + (fun (b_ctx, _) -> b_ctx, ()) } in + let not_exists e = + try ignore(Environ.lookup_constant e.seff_constant env); false + with Not_found -> true in + let aux (acc,sl) { eff = se; from_env = mb } = + let cbl = List.filter not_exists se in + if List.is_empty cbl then acc, sl + else cbl :: acc, (mb,List.length cbl) :: sl in + let seff, signatures = List.fold_left aux ([],[]) (SideEffects.repr eff) in + let trusted = check_signatures mb signatures in + let push_seff env eff = + let { seff_constant = kn; seff_body = cb ; _ } = eff in + let env = Environ.add_constant kn cb env in + match cb.const_universes with + | Polymorphic_const _ -> env + | Monomorphic_const ctx -> + let ctx = match eff.seff_env with + | `Nothing -> ctx + | `Opaque(_, ctx') -> Univ.ContextSet.union ctx' ctx + in + Environ.push_context_set ~strict:true ctx env + in + let rec translate_seff sl seff acc env = + match seff with + | [] -> List.rev acc, ce + | cbs :: rest -> + if Int.equal sl 0 then + let env, cbs = + List.fold_left (fun (env,cbs) eff -> + let { seff_constant = kn; seff_body = ocb; seff_env = u ; _ } = eff in + let ce = constant_entry_of_side_effect ocb u in + let cb = Term_typing.translate_constant Term_typing.Pure env kn ce in + let eff = { eff with + seff_body = cb; + seff_env = `Nothing; + } in + (push_seff env eff, export_eff eff :: cbs)) + (env,[]) cbs in + translate_seff 0 rest (cbs @ acc) env + else + let cbs_len = List.length cbs in + let cbs = List.map turn_direct cbs in + let env = List.fold_left push_seff env cbs in + let ecbs = List.map export_eff cbs in + translate_seff (sl - cbs_len) rest (ecbs @ acc) env + in + translate_seff trusted seff [] env + let export_private_constants ~in_section ce senv = - let exported, ce = Term_typing.export_side_effects senv.revstruct senv.env ce in + let exported, ce = export_side_effects senv.revstruct senv.env ce in let bodies = List.map (fun (kn, cb, _) -> (kn, cb)) exported in let exported = List.map (fun (kn, _, r) -> (kn, r)) exported in - let no_section = not in_section in - let senv = List.fold_left (add_constant_aux no_section) senv bodies in + let senv = List.fold_left (add_constant_aux ~in_section) senv bodies in (ce, exported), senv -let add_constant dir l decl senv = - let kn = Constant.make3 senv.modpath dir l in - let no_section = DirPath.is_empty dir in +let add_constant ~in_section l decl senv = + let kn = Constant.make2 senv.modpath l in let senv = let cb = match decl with | ConstantEntry (EffectEntry, ce) -> - Term_typing.translate_constant (Term_typing.SideEffects senv.revstruct) senv.env kn ce + let handle env body eff = + let body, uctx, signatures = inline_side_effects env body eff in + let trusted = check_signatures senv.revstruct signatures in + body, uctx, trusted + in + Term_typing.translate_constant (Term_typing.SideEffects handle) senv.env kn ce | ConstantEntry (PureEntry, ce) -> Term_typing.translate_constant Term_typing.Pure senv.env kn ce | GlobalRecipe r -> - let cb = Term_typing.translate_recipe senv.env kn r in - if no_section then Declareops.hcons_const_body cb else cb in - add_constant_aux no_section senv (kn, cb) in + let cb = Term_typing.translate_recipe ~hcons:(not in_section) senv.env kn r in + if in_section then cb else Declareops.hcons_const_body cb in + add_constant_aux ~in_section senv (kn, cb) in kn, senv (** Insertion of inductive types *) @@ -546,9 +821,9 @@ let check_mind mie lab = (* The label and the first inductive type name should match *) assert (Id.equal (Label.to_id lab) oie.mind_entry_typename) -let add_mind dir l mie senv = +let add_mind l mie senv = let () = check_mind mie l in - let kn = MutInd.make3 senv.modpath dir l in + let kn = MutInd.make2 senv.modpath l in let mib = Term_typing.translate_mind senv.env kn mie in let mib = match mib.mind_hyps with [] -> Declareops.hcons_mind mib | _ -> mib @@ -781,13 +1056,13 @@ let add_include me is_module inl senv = let add senv ((l,elem) as field) = let new_name = match elem with | SFBconst _ -> - C (Mod_subst.constant_of_delta_kn resolver (KerName.make2 mp_sup l)) + C (Mod_subst.constant_of_delta_kn resolver (KerName.make mp_sup l)) | SFBmind _ -> - I (Mod_subst.mind_of_delta_kn resolver (KerName.make2 mp_sup l)) + I (Mod_subst.mind_of_delta_kn resolver (KerName.make mp_sup l)) | SFBmodule _ -> M | SFBmodtype _ -> MT in - add_field field new_name senv + add_field ~is_include:true field new_name senv in resolver, List.fold_left add senv str @@ -801,6 +1076,8 @@ type compiled_library = { comp_natsymbs : Nativecode.symbols } +let module_of_library lib = lib.comp_mod + type native_library = Nativecode.global list let get_library_native_symbols senv dir = @@ -896,12 +1173,8 @@ let typing senv = Typeops.infer (env_of_senv senv) (** {6 Retroknowledge / native compiler } *) -(** universal lifting, used for the "get" operations mostly *) -let retroknowledge f senv = - Environ.retroknowledge f (env_of_senv senv) - -let register field value by_clause senv = - (* todo : value closed, by_clause safe, by_clause of the proper type*) +let register field value senv = + (* todo : value closed *) (* spiwack : updates the safe_env with the information that the register action has to be performed (again) when the environment is imported *) { senv with @@ -914,16 +1187,12 @@ let register field value by_clause senv = but it is meant to become a replacement for environ.register *) let register_inline kn senv = let open Environ in - let open Pre_env in if not (evaluable_constant kn senv.env) then CErrors.user_err Pp.(str "Register inline: an evaluable constant is expected"); - let env = pre_env senv.env in - let (cb,r) = Cmap_env.find kn env.env_globals.env_constants in + let env = senv.env in + let cb = lookup_constant kn env in let cb = {cb with const_inline_code = true} in - let new_constants = Cmap_env.add kn (cb,r) env.env_globals.env_constants in - let new_globals = { env.env_globals with env_constants = new_constants } in - let env = { env with env_globals = new_globals } in - { senv with env = env_of_pre_env env } + let env = add_constant kn cb env in { senv with env} let add_constraints c = add_constraints @@ -950,6 +1219,128 @@ loaded by side-effect once and for all (like it is done in OCaml). Would this be correct with respect to undo's and stuff ? *) -let set_strategy e k l = { e with env = +let set_strategy k l e = { e with env = (Environ.set_oracle e.env (Conv_oracle.set_strategy (Environ.oracle e.env) k l)) } + +(** Register retroknowledge hooks *) + +open Retroknowledge + +(* the Environ.register function synchronizes the proactive and reactive + retroknowledge. *) +let dispatch = + + (* subfunction used for static decompilation of int31 (after a vm_compute, + see pretyping/vnorm.ml for more information) *) + let constr_of_int31 = + let nth_digit_plus_one i n = (* calculates the nth (starting with 0) + digit of i and adds 1 to it + (nth_digit_plus_one 1 3 = 2) *) + if Int.equal (i land (1 lsl n)) 0 then + 1 + else + 2 + in + fun ind -> fun digit_ind -> fun tag -> + let array_of_int i = + Array.init 31 (fun n -> Constr.mkConstruct + (digit_ind, nth_digit_plus_one i (30-n))) + in + (* We check that no bit above 31 is set to one. This assertion used to + fail in the VM, and led to conversion tests failing at Qed. *) + assert (Int.equal (tag lsr 31) 0); + Constr.mkApp(Constr.mkConstruct(ind, 1), array_of_int tag) + in + + (* subfunction which dispatches the compiling information of an + int31 operation which has a specific vm instruction (associates + it to the name of the coq definition in the reactive retroknowledge) *) + let int31_op n op prim kn = + { empty_reactive_info with + vm_compiling = Some (Clambda.compile_prim n op (kn, Univ.Instance.empty)); (*XXX: FIXME universes? *) + native_compiling = Some (Nativelambda.compile_prim prim kn); + } + in + +fun rk value field -> + (* subfunction which shortens the (very common) dispatch of operations *) + let int31_op_from_const n op prim = + match value with + | GlobRef.ConstRef kn -> int31_op n op prim kn + | _ -> anomaly ~label:"Environ.register" (Pp.str "should be a constant.") + in + let int31_binop_from_const op prim = int31_op_from_const 2 op prim in + let int31_unop_from_const op prim = int31_op_from_const 1 op prim in + match field with + | KInt31 Int31Type -> + let int31bit = + (* invariant : the type of bits is registered, otherwise the function + would raise Not_found. The invariant is enforced in safe_typing.ml *) + match field with + | KInt31 Int31Type -> Retroknowledge.find rk (KInt31 Int31Bits) + | _ -> anomaly ~label:"Environ.register" + (Pp.str "add_int31_decompilation_from_type called with an abnormal field.") + in + let i31bit_type = + match int31bit with + | GlobRef.IndRef i31bit_type -> i31bit_type + | _ -> anomaly ~label:"Environ.register" + (Pp.str "Int31Bits should be an inductive type.") + in + let int31_decompilation = + match value with + | GlobRef.IndRef i31t -> + constr_of_int31 i31t i31bit_type + | _ -> anomaly ~label:"Environ.register" + (Pp.str "should be an inductive type.") + in + { empty_reactive_info with + vm_decompile_const = Some int31_decompilation; + vm_before_match = Some Clambda.int31_escape_before_match; + native_before_match = Some (Nativelambda.before_match_int31 i31bit_type); + } + | KInt31 Int31Constructor -> + { empty_reactive_info with + vm_constant_static = Some Clambda.compile_structured_int31; + vm_constant_dynamic = Some Clambda.dynamic_int31_compilation; + native_constant_static = Some Nativelambda.compile_static_int31; + native_constant_dynamic = Some Nativelambda.compile_dynamic_int31; + } + | KInt31 Int31Plus -> int31_binop_from_const Cbytecodes.Kaddint31 + CPrimitives.Int31add + | KInt31 Int31PlusC -> int31_binop_from_const Cbytecodes.Kaddcint31 + CPrimitives.Int31addc + | KInt31 Int31PlusCarryC -> int31_binop_from_const Cbytecodes.Kaddcarrycint31 + CPrimitives.Int31addcarryc + | KInt31 Int31Minus -> int31_binop_from_const Cbytecodes.Ksubint31 + CPrimitives.Int31sub + | KInt31 Int31MinusC -> int31_binop_from_const Cbytecodes.Ksubcint31 + CPrimitives.Int31subc + | KInt31 Int31MinusCarryC -> int31_binop_from_const + Cbytecodes.Ksubcarrycint31 CPrimitives.Int31subcarryc + | KInt31 Int31Times -> int31_binop_from_const Cbytecodes.Kmulint31 + CPrimitives.Int31mul + | KInt31 Int31TimesC -> int31_binop_from_const Cbytecodes.Kmulcint31 + CPrimitives.Int31mulc + | KInt31 Int31Div21 -> int31_op_from_const 3 Cbytecodes.Kdiv21int31 + CPrimitives.Int31div21 + | KInt31 Int31Diveucl -> int31_binop_from_const Cbytecodes.Kdivint31 + CPrimitives.Int31diveucl + | KInt31 Int31AddMulDiv -> int31_op_from_const 3 Cbytecodes.Kaddmuldivint31 + CPrimitives.Int31addmuldiv + | KInt31 Int31Compare -> int31_binop_from_const Cbytecodes.Kcompareint31 + CPrimitives.Int31compare + | KInt31 Int31Head0 -> int31_unop_from_const Cbytecodes.Khead0int31 + CPrimitives.Int31head0 + | KInt31 Int31Tail0 -> int31_unop_from_const Cbytecodes.Ktail0int31 + CPrimitives.Int31tail0 + | KInt31 Int31Lor -> int31_binop_from_const Cbytecodes.Klorint31 + CPrimitives.Int31lor + | KInt31 Int31Land -> int31_binop_from_const Cbytecodes.Klandint31 + CPrimitives.Int31land + | KInt31 Int31Lxor -> int31_binop_from_const Cbytecodes.Klxorint31 + CPrimitives.Int31lxor + | _ -> empty_reactive_info + +let _ = Hook.set Retroknowledge.dispatch_hook dispatch diff --git a/kernel/safe_typing.mli b/kernel/safe_typing.mli index 4078a9092d..57b01f15e3 100644 --- a/kernel/safe_typing.mli +++ b/kernel/safe_typing.mli @@ -41,29 +41,20 @@ type 'a safe_transformer = safe_environment -> 'a * safe_environment (** {6 Stm machinery } *) -type private_constant type private_constants -type private_constant_role = - | Subproof - | Schema of inductive * string - val side_effects_of_private_constants : - private_constants -> Entries.side_effect list + private_constants -> Entries.side_eff list (** Return the list of individual side-effects in the order of their creation. *) val empty_private_constants : private_constants -val add_private : private_constant -> private_constants -> private_constants -(** Add a constant to a list of private constants. The former must be more - recent than all constants appearing in the latter, i.e. one should not - create a dependency cycle. *) val concat_private : private_constants -> private_constants -> private_constants (** [concat_private e1 e2] adds the constants of [e1] to [e2], i.e. constants in [e1] must be more recent than those of [e2]. *) -val private_con_of_con : safe_environment -> Constant.t -> private_constant -val private_con_of_scheme : kind:string -> safe_environment -> (inductive * Constant.t) list -> private_constant +val private_con_of_con : safe_environment -> Constant.t -> private_constants +val private_con_of_scheme : kind:string -> safe_environment -> (inductive * Constant.t) list -> private_constants val mk_pure_proof : Constr.constr -> private_constants Entries.proof_output val inline_private_constants_in_constr : @@ -105,7 +96,7 @@ type global_declaration = | GlobalRecipe of Cooking.recipe type exported_private_constant = - Constant.t * private_constant_role + Constant.t * Entries.side_effect_role val export_private_constants : in_section:bool -> private_constants Entries.definition_entry -> @@ -114,13 +105,13 @@ val export_private_constants : in_section:bool -> (** returns the main constant plus a list of auxiliary constants (empty unless one requires the side effects to be exported) *) val add_constant : - DirPath.t -> Label.t -> global_declaration -> + in_section:bool -> Label.t -> global_declaration -> Constant.t safe_transformer (** Adding an inductive type *) val add_mind : - DirPath.t -> Label.t -> Entries.mutual_inductive_entry -> + Label.t -> Entries.mutual_inductive_entry -> MutInd.t safe_transformer (** Adding a module or a module type *) @@ -137,9 +128,6 @@ val add_modtype : val push_context_set : bool -> Univ.ContextSet.t -> safe_transformer0 -val push_context : - bool -> Univ.UContext.t -> safe_transformer0 - val add_constraints : Univ.Constraint.t -> safe_transformer0 @@ -148,7 +136,13 @@ val add_constraints : (** Setting the type theory flavor *) val set_engagement : Declarations.engagement -> safe_transformer0 +val set_indices_matter : bool -> safe_transformer0 val set_typing_flags : Declarations.typing_flags -> safe_transformer0 +val set_share_reduction : bool -> safe_transformer0 +val set_VM : bool -> safe_transformer0 +val set_native_compiler : bool -> safe_transformer0 + +val check_engagement : Environ.env -> Declarations.set_predicativity -> unit (** {6 Interactive module functions } *) @@ -186,6 +180,8 @@ type compiled_library type native_library = Nativecode.global list +val module_of_library : compiled_library -> Declarations.module_body + val get_library_native_symbols : safe_environment -> DirPath.t -> Nativecode.symbols val start_library : DirPath.t -> ModPath.t safe_transformer @@ -216,16 +212,17 @@ val exists_objlabel : Label.t -> safe_environment -> bool val delta_of_senv : safe_environment -> Mod_subst.delta_resolver * Mod_subst.delta_resolver +val constant_of_delta_kn_senv : safe_environment -> KerName.t -> Constant.t +val mind_of_delta_kn_senv : safe_environment -> KerName.t -> MutInd.t + (** {6 Retroknowledge / Native compiler } *) open Retroknowledge -val retroknowledge : (retroknowledge-> 'a) -> safe_environment -> 'a - val register : - field -> Retroknowledge.entry -> Constr.constr -> safe_transformer0 + field -> GlobRef.t -> safe_transformer0 val register_inline : Constant.t -> safe_transformer0 val set_strategy : - safe_environment -> Names.Constant.t Names.tableKey -> Conv_oracle.level -> safe_environment + Names.Constant.t Names.tableKey -> Conv_oracle.level -> safe_transformer0 diff --git a/kernel/sorts.ml b/kernel/sorts.ml index daeb90be7f..566dce04c6 100644 --- a/kernel/sorts.ml +++ b/kernel/sorts.ml @@ -10,22 +10,21 @@ open Univ -type contents = Pos | Null - type family = InProp | InSet | InType type t = - | Prop of contents (* proposition types *) + | Prop + | Set | Type of Universe.t -let prop = Prop Null -let set = Prop Pos +let prop = Prop +let set = Set let type1 = Type type1_univ let univ_of_sort = function | Type u -> u - | Prop Pos -> Universe.type0 - | Prop Null -> Universe.type0m + | Set -> Universe.type0 + | Prop -> Universe.type0m let sort_of_univ u = if is_type0m_univ u then prop @@ -34,36 +33,34 @@ let sort_of_univ u = let compare s1 s2 = if s1 == s2 then 0 else - match s1, s2 with - | Prop c1, Prop c2 -> - begin match c1, c2 with - | Pos, Pos | Null, Null -> 0 - | Pos, Null -> -1 - | Null, Pos -> 1 - end - | Type u1, Type u2 -> Universe.compare u1 u2 - | Prop _, Type _ -> -1 - | Type _, Prop _ -> 1 + match s1, s2 with + | Prop, Prop -> 0 + | Prop, _ -> -1 + | Set, Prop -> 1 + | Set, Set -> 0 + | Set, _ -> -1 + | Type u1, Type u2 -> Universe.compare u1 u2 + | Type _, _ -> -1 let equal s1 s2 = Int.equal (compare s1 s2) 0 let is_prop = function - | Prop Null -> true + | Prop -> true | Type u when Universe.equal Universe.type0m u -> true | _ -> false let is_set = function - | Prop Pos -> true + | Set -> true | Type u when Universe.equal Universe.type0 u -> true | _ -> false let is_small = function - | Prop _ -> true + | Prop | Set -> true | Type u -> is_small_univ u let family = function - | Prop Null -> InProp - | Prop Pos -> InSet + | Prop -> InProp + | Set -> InSet | Type u when is_type0m_univ u -> InProp | Type u when is_type0_univ u -> InSet | Type _ -> InType @@ -73,15 +70,11 @@ let family_equal = (==) open Hashset.Combine let hash = function -| Prop p -> - let h = match p with - | Pos -> 0 - | Null -> 1 - in - combinesmall 1 h -| Type u -> - let h = Univ.Universe.hash u in - combinesmall 2 h + | Prop -> combinesmall 1 0 + | Set -> combinesmall 1 1 + | Type u -> + let h = Univ.Universe.hash u in + combinesmall 2 h module List = struct let mem = List.memq @@ -101,7 +94,7 @@ module Hsorts = if u' == u then c else Type u' | s -> s let eq s1 s2 = match (s1,s2) with - | (Prop c1, Prop c2) -> c1 == c2 + | Prop, Prop | Set, Set -> true | (Type u1, Type u2) -> u1 == u2 |_ -> false @@ -109,3 +102,13 @@ module Hsorts = end) let hcons = Hashcons.simple_hcons Hsorts.generate Hsorts.hcons hcons_univ + +let debug_print = function + | Set -> Pp.(str "Set") + | Prop -> Pp.(str "Prop") + | Type u -> Pp.(str "Type(" ++ Univ.Universe.pr u ++ str ")") + +let pr_sort_family = function + | InSet -> Pp.(str "Set") + | InProp -> Pp.(str "Prop") + | InType -> Pp.(str "Type") diff --git a/kernel/sorts.mli b/kernel/sorts.mli index 1bbde26083..6c5ce4df80 100644 --- a/kernel/sorts.mli +++ b/kernel/sorts.mli @@ -10,13 +10,12 @@ (** {6 The sorts of CCI. } *) -type contents = Pos | Null - type family = InProp | InSet | InType type t = -| Prop of contents (** Prop and Set *) -| Type of Univ.Universe.t (** Type *) + | Prop + | Set + | Type of Univ.Universe.t val set : t val prop : t @@ -42,3 +41,7 @@ end val univ_of_sort : t -> Univ.Universe.t val sort_of_univ : Univ.Universe.t -> t + +val debug_print : t -> Pp.t + +val pr_sort_family : family -> Pp.t diff --git a/kernel/subtyping.ml b/kernel/subtyping.ml index 8cf588c3ea..347c30dd64 100644 --- a/kernel/subtyping.ml +++ b/kernel/subtyping.ml @@ -17,7 +17,6 @@ open Names open Univ open Util -open Term open Constr open Declarations open Declareops @@ -94,18 +93,16 @@ let check_conv_error error why cst poly f env a1 a2 = | Univ.UniverseInconsistency e -> error (IncompatibleUniverses e) let check_polymorphic_instance error env auctx1 auctx2 = - if not (Univ.AUContext.size auctx1 == Univ.AUContext.size auctx2) then - error IncompatibleInstances - else if not (UGraph.check_subtype (Environ.universes env) auctx2 auctx1) then - error (IncompatibleConstraints auctx1) + if not (UGraph.check_subtype (Environ.universes env) auctx2 auctx1) then + error (IncompatibleConstraints { got = auctx1; expect = auctx2; } ) else Environ.push_context ~strict:false (Univ.AUContext.repr auctx2) env (* for now we do not allow reorderings *) let check_inductive cst env mp1 l info1 mp2 mib2 spec2 subst1 subst2 reso1 reso2= - let kn1 = KerName.make2 mp1 l in - let kn2 = KerName.make2 mp2 l in + let kn1 = KerName.make mp1 l in + let kn2 = KerName.make mp2 l in let error why = error_signature_mismatch l spec2 why in let check_conv why cst poly f = check_conv_error error why cst poly f in let mib1 = @@ -138,39 +135,8 @@ let check_inductive cst env mp1 l info1 mp2 mib2 spec2 subst1 subst2 reso1 reso2 in let mib2 = Declareops.subst_mind_body subst2 mib2 in let check_inductive_type cst name t1 t2 = - - (* Due to template polymorphism, the conclusions of - t1 and t2, if in Type, are generated as the least upper bounds - of the types of the constructors. - - By monotonicity of the infered l.u.b. wrt subtyping (i.e. if X:U - |- T(X):s and |- M:U' and U'<=U then infer_type(T(M))<=s), each - universe in the conclusion of t1 has an bounding universe in - the conclusion of t2, so that we don't need to check the - subtyping of the conclusions of t1 and t2. - - Even if we'd like to recheck it, the inference of constraints - is not designed to deal with algebraic constraints of the form - max-univ(u1..un) <= max-univ(u'1..u'n), so that it is not easy - to recheck it (in short, we would need the actual graph of - constraints as input while type checking is currently designed - to output a set of constraints instead) *) - - (* So we cheat and replace the subtyping problem on algebraic - constraints of the form max-univ(u1..un) <= max-univ(u'1..u'n) - (that we know are necessary true) by trivial constraints that - the constraint generator knows how to deal with *) - - let (ctx1,s1) = dest_arity env t1 in - let (ctx2,s2) = dest_arity env t2 in - let s1,s2 = - match s1, s2 with - | Type _, Type _ -> (* shortcut here *) Sorts.prop, Sorts.prop - | (Prop _, Type _) | (Type _,Prop _) -> - error (NotConvertibleInductiveField name) - | _ -> (s1, s2) in check_conv (NotConvertibleInductiveField name) - cst (inductive_is_polymorphic mib1) infer_conv_leq env (mkArity (ctx1,s1)) (mkArity (ctx2,s2)) + cst (inductive_is_polymorphic mib1) (infer_conv_leq ?l2r:None ?evars:None ?ts:None) env t1 t2 in let check_packet cst p1 p2 = @@ -194,10 +160,10 @@ let check_inductive cst env mp1 l info1 mp2 mib2 spec2 subst1 subst2 reso1 reso2 cst in let mind = MutInd.make1 kn1 in - let check_cons_types i cst p1 p2 = + let check_cons_types _i cst p1 p2 = Array.fold_left3 (fun cst id t1 t2 -> check_conv (NotConvertibleConstructorField id) cst - (inductive_is_polymorphic mib1) infer_conv env t1 t2) + (inductive_is_polymorphic mib1) (infer_conv ?l2r:None ?evars:None ?ts:None) env t1 t2) cst p2.mind_consnames (arities_of_specif (mind, inst) (mib1, p1)) @@ -226,8 +192,9 @@ let check_inductive cst env mp1 l info1 mp2 mib2 spec2 subst1 subst2 reso1 reso2 else error NotEqualInductiveAliases end; (* we check that records and their field names are preserved. *) - check (fun mib -> mib.mind_record <> None) (==) (fun x -> RecordFieldExpected x); - if mib1.mind_record <> None then begin + (** FIXME: this check looks nonsense *) + check (fun mib -> mib.mind_record <> NotRecord) (==) (fun x -> RecordFieldExpected x); + if mib1.mind_record <> NotRecord then begin let rec names_prod_letin t = match kind t with | Prod(n,_,t) -> n::(names_prod_letin t) | LetIn(n,_,_,t) -> n::(names_prod_letin t) @@ -255,57 +222,12 @@ let check_inductive cst env mp1 l info1 mp2 mib2 spec2 subst1 subst2 reso1 reso2 cst -let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 = +let check_constant cst env l info1 cb2 spec2 subst1 subst2 = let error why = error_signature_mismatch l spec2 why in let check_conv cst poly f = check_conv_error error cst poly f in let check_type poly cst env t1 t2 = - let err = NotConvertibleTypeField (env, t1, t2) in - - (* If the type of a constant is generated, it may mention - non-variable algebraic universes that the general conversion - algorithm is not ready to handle. Anyway, generated types of - constants are functions of the body of the constant. If the - bodies are the same in environments that are subtypes one of - the other, the types are subtypes too (i.e. if Gamma <= Gamma', - Gamma |- A |> T, Gamma |- A' |> T' and Gamma |- A=A' then T <= T'). - Hence they don't have to be checked again *) - - let t1,t2 = - if isArity t2 then - let (ctx2,s2) = destArity t2 in - match s2 with - | Type v when not (is_univ_variable v) -> - (* The type in the interface is inferred and is made of algebraic - universes *) - begin try - let (ctx1,s1) = dest_arity env t1 in - match s1 with - | Type u when not (is_univ_variable u) -> - (* Both types are inferred, no need to recheck them. We - cheat and collapse the types to Prop *) - mkArity (ctx1,Sorts.prop), mkArity (ctx2,Sorts.prop) - | Prop _ -> - (* The type in the interface is inferred, it may be the case - that the type in the implementation is smaller because - the body is more reduced. We safely collapse the upper - type to Prop *) - mkArity (ctx1,Sorts.prop), mkArity (ctx2,Sorts.prop) - | Type _ -> - (* The type in the interface is inferred and the type in the - implementation is not inferred or is inferred but from a - more reduced body so that it is just a variable. Since - constraints of the form "univ <= max(...)" are not - expressible in the system of algebraic universes: we fail - (the user has to use an explicit type in the interface *) - error NoTypeConstraintExpected - with NotArity -> - error err end - | _ -> - t1,t2 - else - (t1,t2) in - check_conv err cst poly infer_conv_leq env t1 t2 + check_conv err cst poly (infer_conv_leq ?l2r:None ?evars:None ?ts:None) env t1 t2 in match info1 with | Constant cb1 -> @@ -344,14 +266,14 @@ let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 = Anyway [check_conv] will handle that afterwards. *) let c1 = Mod_subst.force_constr lc1 in let c2 = Mod_subst.force_constr lc2 in - check_conv NotConvertibleBodyField cst poly infer_conv env c1 c2)) - | IndType ((kn,i),mind1) -> + check_conv NotConvertibleBodyField cst poly (infer_conv ?l2r:None ?evars:None ?ts:None) env c1 c2)) + | IndType ((_kn,_i),_mind1) -> CErrors.user_err Pp.(str @@ "The kernel does not recognize yet that a parameter can be " ^ "instantiated by an inductive type. Hint: you can rename the " ^ "inductive type and give a definition to map the old name to the new " ^ "name.") - | IndConstr (((kn,i),j),mind1) -> + | IndConstr (((_kn,_i),_j),_mind1) -> CErrors.user_err Pp.(str @@ "The kernel does not recognize yet that a parameter can be " ^ "instantiated by a constructor. Hint: you can rename the " ^ @@ -368,7 +290,7 @@ and check_signatures cst env mp1 sig1 mp2 sig2 subst1 subst2 reso1 reso2= let check_one_body cst (l,spec2) = match spec2 with | SFBconst cb2 -> - check_constant cst env mp1 l (get_obj mp1 map1 l) + check_constant cst env l (get_obj mp1 map1 l) cb2 spec2 subst1 subst2 | SFBmind mib2 -> check_inductive cst env mp1 l (get_obj mp1 map1 l) diff --git a/kernel/term.ml b/kernel/term.ml index 403ed881c5..795cdeb040 100644 --- a/kernel/term.ml +++ b/kernel/term.ml @@ -15,219 +15,14 @@ open Names open Vars open Constr -(**********************************************************************) -(** Redeclaration of types from module Constr *) -(**********************************************************************) - -type contents = Sorts.contents = Pos | Null +(* Deprecated *) +type sorts_family = Sorts.family = InProp | InSet | InType +[@@ocaml.deprecated "Alias for Sorts.family"] type sorts = Sorts.t = - | Prop of contents (** Prop and Set *) + | Prop | Set | Type of Univ.Universe.t (** Type *) - -type sorts_family = Sorts.family = InProp | InSet | InType - -type constr = Constr.t -(** Alias types, for compatibility. *) - -type types = Constr.t -(** Same as [constr], for documentation purposes. *) - -type existential_key = Evar.t -type existential = Constr.existential - -type metavariable = Constr.metavariable - -type case_style = Constr.case_style = - LetStyle | IfStyle | LetPatternStyle | MatchStyle | RegularStyle - -type case_printing = Constr.case_printing = - { ind_tags : bool list; cstr_tags : bool list array; style : case_style } - -type case_info = Constr.case_info = - { ci_ind : inductive; - ci_npar : int; - ci_cstr_ndecls : int array; - ci_cstr_nargs : int array; - ci_pp_info : case_printing - } - -type cast_kind = Constr.cast_kind = - VMcast | NATIVEcast | DEFAULTcast | REVERTcast - -(********************************************************************) -(* Constructions as implemented *) -(********************************************************************) - -type rec_declaration = Constr.rec_declaration -type fixpoint = Constr.fixpoint -type cofixpoint = Constr.cofixpoint -type 'constr pexistential = 'constr Constr.pexistential -type ('constr, 'types) prec_declaration = - ('constr, 'types) Constr.prec_declaration -type ('constr, 'types) pfixpoint = ('constr, 'types) Constr.pfixpoint -type ('constr, 'types) pcofixpoint = ('constr, 'types) Constr.pcofixpoint -type 'a puniverses = 'a Univ.puniverses - -(** Simply type aliases *) -type pconstant = Constant.t puniverses -type pinductive = inductive puniverses -type pconstructor = constructor puniverses - -type ('constr, 'types, 'sort, 'univs) kind_of_term = - ('constr, 'types, 'sort, 'univs) Constr.kind_of_term = - | Rel of int - | Var of Id.t - | Meta of metavariable - | Evar of 'constr pexistential - | Sort of 'sort - | Cast of 'constr * cast_kind * 'types - | Prod of Name.t * 'types * 'types - | Lambda of Name.t * 'types * 'constr - | LetIn of Name.t * 'constr * 'types * 'constr - | App of 'constr * 'constr array - | Const of (Constant.t * 'univs) - | Ind of (inductive * 'univs) - | Construct of (constructor * 'univs) - | Case of case_info * 'constr * 'constr * 'constr array - | Fix of ('constr, 'types) pfixpoint - | CoFix of ('constr, 'types) pcofixpoint - | Proj of projection * 'constr - -type values = Vmvalues.values - -(**********************************************************************) -(** Redeclaration of functions from module Constr *) -(**********************************************************************) - -let set_sort = Sorts.set -let prop_sort = Sorts.prop -let type1_sort = Sorts.type1 -let sorts_ord = Sorts.compare -let is_prop_sort = Sorts.is_prop -let family_of_sort = Sorts.family -let univ_of_sort = Sorts.univ_of_sort -let sort_of_univ = Sorts.sort_of_univ - -(** {6 Term constructors. } *) - -let mkRel = Constr.mkRel -let mkVar = Constr.mkVar -let mkMeta = Constr.mkMeta -let mkEvar = Constr.mkEvar -let mkSort = Constr.mkSort -let mkProp = Constr.mkProp -let mkSet = Constr.mkSet -let mkType = Constr.mkType -let mkCast = Constr.mkCast -let mkProd = Constr.mkProd -let mkLambda = Constr.mkLambda -let mkLetIn = Constr.mkLetIn -let mkApp = Constr.mkApp -let mkConst = Constr.mkConst -let mkProj = Constr.mkProj -let mkInd = Constr.mkInd -let mkConstruct = Constr.mkConstruct -let mkConstU = Constr.mkConstU -let mkIndU = Constr.mkIndU -let mkConstructU = Constr.mkConstructU -let mkConstructUi = Constr.mkConstructUi -let mkCase = Constr.mkCase -let mkFix = Constr.mkFix -let mkCoFix = Constr.mkCoFix - -(**********************************************************************) -(** Aliases of functions from module Constr *) -(**********************************************************************) - -let eq_constr = Constr.equal -let eq_constr_univs = Constr.eq_constr_univs -let leq_constr_univs = Constr.leq_constr_univs -let eq_constr_nounivs = Constr.eq_constr_nounivs - -let kind_of_term = Constr.kind -let compare = Constr.compare -let constr_ord = compare -let fold_constr = Constr.fold -let map_puniverses = Constr.map_puniverses -let map_constr = Constr.map -let map_constr_with_binders = Constr.map_with_binders -let iter_constr = Constr.iter -let iter_constr_with_binders = Constr.iter_with_binders -let compare_constr = Constr.compare_head -let hash_constr = Constr.hash -let hcons_sorts = Sorts.hcons -let hcons_constr = Constr.hcons -let hcons_types = Constr.hcons - -(**********************************************************************) -(** HERE BEGINS THE INTERESTING STUFF *) -(**********************************************************************) - -(**********************************************************************) -(* Non primitive term destructors *) -(**********************************************************************) - -exception DestKO = DestKO -(* Destructs a de Bruijn index *) -let destRel = destRel -let destMeta = destRel -let isMeta = isMeta -let destVar = destVar -let isSort = isSort -let destSort = destSort -let isprop = isprop -let is_Prop = is_Prop -let is_Set = is_Set -let is_Type = is_Type -let is_small = is_small -let iskind = iskind -let isEvar = isEvar -let isEvar_or_Meta = isEvar_or_Meta -let destCast = destCast -let isCast = isCast -let isRel = isRel -let isRelN = isRelN -let isVar = isVar -let isVarId = isVarId -let isInd = isInd -let destProd = destProd -let isProd = isProd -let destLambda = destLambda -let isLambda = isLambda -let destLetIn = destLetIn -let isLetIn = isLetIn -let destApp = destApp -let destApplication = destApp -let isApp = isApp -let destConst = destConst -let isConst = isConst -let destEvar = destEvar -let destInd = destInd -let destConstruct = destConstruct -let isConstruct = isConstruct -let destCase = destCase -let isCase = isCase -let isProj = isProj -let destProj = destProj -let destFix = destFix -let isFix = isFix -let destCoFix = destCoFix -let isCoFix = isCoFix - -(******************************************************************) -(* Flattening and unflattening of embedded applications and casts *) -(******************************************************************) - -let decompose_app c = - match kind_of_term c with - | App (f,cl) -> (f, Array.to_list cl) - | _ -> (c,[]) - -let decompose_appvect c = - match kind_of_term c with - | App (f,cl) -> (f, cl) - | _ -> (c,[||]) +[@@ocaml.deprecated "Alias for Sorts.t"] (****************************************************************************) (* Functions for dealing with constr terms *) @@ -259,13 +54,13 @@ let mkProd_wo_LetIn decl c = let open Context.Rel.Declaration in match decl with | LocalAssum (na,t) -> mkProd (na, t, c) - | LocalDef (na,b,t) -> subst1 b c + | LocalDef (_na,b,_t) -> subst1 b c let mkNamedProd_wo_LetIn decl c = let open Context.Named.Declaration in match decl with | LocalAssum (id,t) -> mkNamedProd id t c - | LocalDef (id,b,t) -> subst1 b (subst_var id c) + | LocalDef (id,b,_t) -> subst1 b (subst_var id c) (* non-dependent product t1 -> t2 *) let mkArrow t1 t2 = mkProd (Anonymous, t1, t2) @@ -286,7 +81,7 @@ let mkNamedLambda_or_LetIn decl c = (* prodn n [xn:Tn;..;x1:T1;Gamma] b = (x1:T1)..(xn:Tn)b *) let prodn n env b = let rec prodrec = function - | (0, env, b) -> b + | (0, _env, b) -> b | (n, ((v,t)::l), b) -> prodrec (n-1, l, mkProd (v,t,b)) | _ -> assert false in @@ -298,7 +93,7 @@ let compose_prod l b = prodn (List.length l) l b (* lamn n [xn:Tn;..;x1:T1;Gamma] b = [x1:T1]..[xn:Tn]b *) let lamn n env b = let rec lamrec = function - | (0, env, b) -> b + | (0, _env, b) -> b | (n, ((v,t)::l), b) -> lamrec (n-1, l, mkLambda (v,t,b)) | _ -> assert false in @@ -321,7 +116,7 @@ let rec to_lambda n prod = if Int.equal n 0 then prod else - match kind_of_term prod with + match kind prod with | Prod (na,ty,bd) -> mkLambda (na,ty,to_lambda (n-1) bd) | Cast (c,_,_) -> to_lambda n c | _ -> user_err ~hdr:"to_lambda" (mt ()) @@ -330,7 +125,7 @@ let rec to_prod n lam = if Int.equal n 0 then lam else - match kind_of_term lam with + match kind lam with | Lambda (na,ty,bd) -> mkProd (na,ty,to_prod (n-1) bd) | Cast (c,_,_) -> to_prod n c | _ -> user_err ~hdr:"to_prod" (mt ()) @@ -342,7 +137,7 @@ let it_mkLambda_or_LetIn = List.fold_left (fun c d -> mkLambda_or_LetIn d c) let lambda_applist c l = let rec app subst c l = - match kind_of_term c, l with + match kind c, l with | Lambda(_,_,c), arg::l -> app (arg::subst) c l | _, [] -> substl subst c | _ -> anomaly (Pp.str "Not enough lambda's.") in @@ -355,7 +150,7 @@ let lambda_applist_assum n c l = if Int.equal n 0 then if l == [] then substl subst t else anomaly (Pp.str "Too many arguments.") - else match kind_of_term t, l with + else match kind t, l with | Lambda(_,_,c), arg::l -> app (n-1) (arg::subst) c l | LetIn(_,b,_,c), _ -> app (n-1) (substl subst b::subst) c l | _, [] -> anomaly (Pp.str "Not enough arguments.") @@ -367,7 +162,7 @@ let lambda_appvect_assum n c v = lambda_applist_assum n c (Array.to_list v) (* prod_applist T [ a1 ; ... ; an ] -> (T a1 ... an) *) let prod_applist c l = let rec app subst c l = - match kind_of_term c, l with + match kind c, l with | Prod(_,_,c), arg::l -> app (arg::subst) c l | _, [] -> substl subst c | _ -> anomaly (Pp.str "Not enough prod's.") in @@ -381,7 +176,7 @@ let prod_applist_assum n c l = if Int.equal n 0 then if l == [] then substl subst t else anomaly (Pp.str "Too many arguments.") - else match kind_of_term t, l with + else match kind t, l with | Prod(_,_,c), arg::l -> app (n-1) (arg::subst) c l | LetIn(_,b,_,c), _ -> app (n-1) (substl subst b::subst) c l | _, [] -> anomaly (Pp.str "Not enough arguments.") @@ -397,7 +192,7 @@ let prod_appvect_assum n c v = prod_applist_assum n c (Array.to_list v) (* Transforms a product term (x1:T1)..(xn:Tn)T into the pair ([(xn,Tn);...;(x1,T1)],T), where T is not a product *) let decompose_prod = - let rec prodec_rec l c = match kind_of_term c with + let rec prodec_rec l c = match kind c with | Prod (x,t,c) -> prodec_rec ((x,t)::l) c | Cast (c,_,_) -> prodec_rec l c | _ -> l,c @@ -407,7 +202,7 @@ let decompose_prod = (* Transforms a lambda term [x1:T1]..[xn:Tn]T into the pair ([(xn,Tn);...;(x1,T1)],T), where T is not a lambda *) let decompose_lam = - let rec lamdec_rec l c = match kind_of_term c with + let rec lamdec_rec l c = match kind c with | Lambda (x,t,c) -> lamdec_rec ((x,t)::l) c | Cast (c,_,_) -> lamdec_rec l c | _ -> l,c @@ -420,7 +215,7 @@ let decompose_prod_n n = if n < 0 then user_err (str "decompose_prod_n: integer parameter must be positive"); let rec prodec_rec l n c = if Int.equal n 0 then l,c - else match kind_of_term c with + else match kind c with | Prod (x,t,c) -> prodec_rec ((x,t)::l) (n-1) c | Cast (c,_,_) -> prodec_rec l n c | _ -> user_err (str "decompose_prod_n: not enough products") @@ -433,7 +228,7 @@ let decompose_lam_n n = if n < 0 then user_err (str "decompose_lam_n: integer parameter must be positive"); let rec lamdec_rec l n c = if Int.equal n 0 then l,c - else match kind_of_term c with + else match kind c with | Lambda (x,t,c) -> lamdec_rec ((x,t)::l) (n-1) c | Cast (c,_,_) -> lamdec_rec l n c | _ -> user_err (str "decompose_lam_n: not enough abstractions") @@ -445,7 +240,7 @@ let decompose_lam_n n = let decompose_prod_assum = let open Context.Rel.Declaration in let rec prodec_rec l c = - match kind_of_term c with + match kind c with | Prod (x,t,c) -> prodec_rec (Context.Rel.add (LocalAssum (x,t)) l) c | LetIn (x,b,t,c) -> prodec_rec (Context.Rel.add (LocalDef (x,b,t)) l) c | Cast (c,_,_) -> prodec_rec l c @@ -458,7 +253,7 @@ let decompose_prod_assum = let decompose_lam_assum = let rec lamdec_rec l c = let open Context.Rel.Declaration in - match kind_of_term c with + match kind c with | Lambda (x,t,c) -> lamdec_rec (Context.Rel.add (LocalAssum (x,t)) l) c | LetIn (x,b,t,c) -> lamdec_rec (Context.Rel.add (LocalDef (x,b,t)) l) c | Cast (c,_,_) -> lamdec_rec l c @@ -477,11 +272,11 @@ let decompose_prod_n_assum n = if Int.equal n 0 then l,c else let open Context.Rel.Declaration in - match kind_of_term c with + match kind c with | Prod (x,t,c) -> prodec_rec (Context.Rel.add (LocalAssum (x,t)) l) (n-1) c | LetIn (x,b,t,c) -> prodec_rec (Context.Rel.add (LocalDef (x,b,t)) l) (n-1) c | Cast (c,_,_) -> prodec_rec l n c - | c -> user_err (str "decompose_prod_n_assum: not enough assumptions") + | _ -> user_err (str "decompose_prod_n_assum: not enough assumptions") in prodec_rec Context.Rel.empty n @@ -498,11 +293,11 @@ let decompose_lam_n_assum n = if Int.equal n 0 then l,c else let open Context.Rel.Declaration in - match kind_of_term c with + match kind c with | Lambda (x,t,c) -> lamdec_rec (Context.Rel.add (LocalAssum (x,t)) l) (n-1) c | LetIn (x,b,t,c) -> lamdec_rec (Context.Rel.add (LocalDef (x,b,t)) l) n c | Cast (c,_,_) -> lamdec_rec l n c - | c -> user_err (str "decompose_lam_n_assum: not enough abstractions") + | _c -> user_err (str "decompose_lam_n_assum: not enough abstractions") in lamdec_rec Context.Rel.empty n @@ -514,11 +309,11 @@ let decompose_lam_n_decls n = if Int.equal n 0 then l,c else let open Context.Rel.Declaration in - match kind_of_term c with + match kind c with | Lambda (x,t,c) -> lamdec_rec (Context.Rel.add (LocalAssum (x,t)) l) (n-1) c | LetIn (x,b,t,c) -> lamdec_rec (Context.Rel.add (LocalDef (x,b,t)) l) (n-1) c | Cast (c,_,_) -> lamdec_rec l n c - | c -> user_err (str "decompose_lam_n_decls: not enough abstractions") + | _ -> user_err (str "decompose_lam_n_decls: not enough abstractions") in lamdec_rec Context.Rel.empty n @@ -541,12 +336,12 @@ let strip_lam_n n t = snd (decompose_lam_n n t) Such a term can canonically be seen as the pair of a context of types and of a sort *) -type arity = Context.Rel.t * sorts +type arity = Constr.rel_context * Sorts.t let destArity = let open Context.Rel.Declaration in let rec prodec_rec l c = - match kind_of_term c with + match kind c with | Prod (x,t,c) -> prodec_rec (LocalAssum (x,t) :: l) c | LetIn (x,b,t,c) -> prodec_rec (LocalDef (x,b,t) :: l) c | Cast (c,_,_) -> prodec_rec l c @@ -558,7 +353,7 @@ let destArity = let mkArity (sign,s) = it_mkProd_or_LetIn (mkSort s) sign let rec isArity c = - match kind_of_term c with + match kind c with | Prod (_,_,c) -> isArity c | LetIn (_,b,_,c) -> isArity (subst1 b c) | Cast (c,_,_) -> isArity c @@ -569,13 +364,13 @@ let rec isArity c = (* Experimental, used in Presburger contrib *) type ('constr, 'types) kind_of_type = - | SortType of sorts + | SortType of Sorts.t | CastType of 'types * 'types | ProdType of Name.t * 'types * 'types | LetInType of Name.t * 'constr * 'types * 'types | AtomicType of 'constr * 'constr array -let kind_of_type t = match kind_of_term t with +let kind_of_type t = match kind t with | Sort s -> SortType s | Cast (c,_,t) -> CastType (c, t) | Prod (na,t,c) -> ProdType (na, t, c) diff --git a/kernel/term.mli b/kernel/term.mli index 7cb3b662d4..181d714ed7 100644 --- a/kernel/term.mli +++ b/kernel/term.mli @@ -11,166 +11,6 @@ open Names open Constr -(** {5 Redeclaration of types from module Constr and Sorts} - - This reexports constructors of inductive types defined in module [Constr], - for compatibility purposes. Refer to this module for further info. - -*) - -exception DestKO -[@@ocaml.deprecated "Alias for [Constr.DestKO]"] - -(** {5 Simple term case analysis. } *) -val isRel : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isRel]"] -val isRelN : int -> constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isRelN]"] -val isVar : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isVar]"] -val isVarId : Id.t -> constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isVarId]"] -val isInd : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isInd]"] -val isEvar : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isEvar]"] -val isMeta : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isMeta]"] -val isEvar_or_Meta : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isEvar_or_Meta]"] -val isSort : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isSort]"] -val isCast : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isCast]"] -val isApp : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isApp]"] -val isLambda : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isLambda]"] -val isLetIn : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isletIn]"] -val isProd : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isProp]"] -val isConst : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isConst]"] -val isConstruct : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isConstruct]"] -val isFix : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isFix]"] -val isCoFix : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isCoFix]"] -val isCase : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isCase]"] -val isProj : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isProj]"] - -val is_Prop : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.is_Prop]"] -val is_Set : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.is_Set]"] -val isprop : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.isprop]"] -val is_Type : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.is_Type]"] -val iskind : constr -> bool -[@@ocaml.deprecated "Alias for [Constr.is_kind]"] -val is_small : Sorts.t -> bool -[@@ocaml.deprecated "Alias for [Constr.is_small]"] - - -(** {5 Term destructors } *) -(** Destructor operations are partial functions and - @raise DestKO if the term has not the expected form. *) - -(** Destructs a de Bruijn index *) -val destRel : constr -> int -[@@ocaml.deprecated "Alias for [Constr.destRel]"] - -(** Destructs an existential variable *) -val destMeta : constr -> metavariable -[@@ocaml.deprecated "Alias for [Constr.destMeta]"] - -(** Destructs a variable *) -val destVar : constr -> Id.t -[@@ocaml.deprecated "Alias for [Constr.destVar]"] - -(** Destructs a sort. [is_Prop] recognizes the sort {% \textsf{%}Prop{% }%}, whether - [isprop] recognizes both {% \textsf{%}Prop{% }%} and {% \textsf{%}Set{% }%}. *) -val destSort : constr -> Sorts.t -[@@ocaml.deprecated "Alias for [Constr.destSort]"] - -(** Destructs a casted term *) -val destCast : constr -> constr * cast_kind * constr -[@@ocaml.deprecated "Alias for [Constr.destCast]"] - -(** Destructs the product {% $ %}(x:t_1)t_2{% $ %} *) -val destProd : types -> Name.t * types * types -[@@ocaml.deprecated "Alias for [Constr.destProd]"] - -(** Destructs the abstraction {% $ %}[x:t_1]t_2{% $ %} *) -val destLambda : constr -> Name.t * types * constr -[@@ocaml.deprecated "Alias for [Constr.destLambda]"] - -(** Destructs the let {% $ %}[x:=b:t_1]t_2{% $ %} *) -val destLetIn : constr -> Name.t * constr * types * constr -[@@ocaml.deprecated "Alias for [Constr.destLetIn]"] - -(** Destructs an application *) -val destApp : constr -> constr * constr array -[@@ocaml.deprecated "Alias for [Constr.destApp]"] - -(** Obsolete synonym of destApp *) -val destApplication : constr -> constr * constr array -[@@ocaml.deprecated "Alias for [Constr.destApplication]"] - -(** Decompose any term as an applicative term; the list of args can be empty *) -val decompose_app : constr -> constr * constr list -[@@ocaml.deprecated "Alias for [Constr.decompose_app]"] - -(** Same as [decompose_app], but returns an array. *) -val decompose_appvect : constr -> constr * constr array -[@@ocaml.deprecated "Alias for [Constr.decompose_appvect]"] - -(** Destructs a constant *) -val destConst : constr -> Constant.t Univ.puniverses -[@@ocaml.deprecated "Alias for [Constr.destConst]"] - -(** Destructs an existential variable *) -val destEvar : constr -> existential -[@@ocaml.deprecated "Alias for [Constr.destEvar]"] - -(** Destructs a (co)inductive type *) -val destInd : constr -> inductive Univ.puniverses -[@@ocaml.deprecated "Alias for [Constr.destInd]"] - -(** Destructs a constructor *) -val destConstruct : constr -> constructor Univ.puniverses -[@@ocaml.deprecated "Alias for [Constr.destConstruct]"] - -(** Destructs a [match c as x in I args return P with ... | -Ci(...yij...) => ti | ... end] (or [let (..y1i..) := c as x in I args -return P in t1], or [if c then t1 else t2]) -@return [(info,c,fun args x => P,[|...|fun yij => ti| ...|])] -where [info] is pretty-printing information *) -val destCase : constr -> case_info * constr * constr * constr array -[@@ocaml.deprecated "Alias for [Constr.destCase]"] - -(** Destructs a projection *) -val destProj : constr -> projection * constr -[@@ocaml.deprecated "Alias for [Constr.destProj]"] - -(** Destructs the {% $ %}i{% $ %}th function of the block - [Fixpoint f{_ 1} ctx{_ 1} = b{_ 1} - with f{_ 2} ctx{_ 2} = b{_ 2} - ... - with f{_ n} ctx{_ n} = b{_ n}], - where the length of the {% $ %}j{% $ %}th context is {% $ %}ij{% $ %}. -*) -val destFix : constr -> fixpoint -[@@ocaml.deprecated "Alias for [Constr.destFix]"] - -val destCoFix : constr -> cofixpoint -[@@ocaml.deprecated "Alias for [Constr.destCoFix]"] - (** {5 Derived constructors} *) (** non-dependent product [t1 -> t2], an alias for @@ -185,14 +25,14 @@ val mkNamedLetIn : Id.t -> constr -> types -> constr -> constr val mkNamedProd : Id.t -> types -> types -> types (** Constructs either [(x:t)c] or [[x=b:t]c] *) -val mkProd_or_LetIn : Context.Rel.Declaration.t -> types -> types -val mkProd_wo_LetIn : Context.Rel.Declaration.t -> types -> types -val mkNamedProd_or_LetIn : Context.Named.Declaration.t -> types -> types -val mkNamedProd_wo_LetIn : Context.Named.Declaration.t -> types -> types +val mkProd_or_LetIn : Constr.rel_declaration -> types -> types +val mkProd_wo_LetIn : Constr.rel_declaration -> types -> types +val mkNamedProd_or_LetIn : Constr.named_declaration -> types -> types +val mkNamedProd_wo_LetIn : Constr.named_declaration -> types -> types (** Constructs either [[x:t]c] or [[x=b:t]c] *) -val mkLambda_or_LetIn : Context.Rel.Declaration.t -> constr -> constr -val mkNamedLambda_or_LetIn : Context.Named.Declaration.t -> constr -> constr +val mkLambda_or_LetIn : Constr.rel_declaration -> constr -> constr +val mkNamedLambda_or_LetIn : Constr.named_declaration -> constr -> constr (** {5 Other term constructors. } *) @@ -234,8 +74,8 @@ val to_lambda : int -> constr -> constr where [l] is [fun (x_1:T_1)...(x_n:T_n) => T] *) val to_prod : int -> constr -> constr -val it_mkLambda_or_LetIn : constr -> Context.Rel.t -> constr -val it_mkProd_or_LetIn : types -> Context.Rel.t -> types +val it_mkLambda_or_LetIn : constr -> Constr.rel_context -> constr +val it_mkProd_or_LetIn : types -> Constr.rel_context -> types (** In [lambda_applist c args], [c] is supposed to have the form [λΓ.c] with [Γ] without let-in; it returns [c] with the variables @@ -286,29 +126,29 @@ val decompose_lam_n : int -> constr -> (Name.t * constr) list * constr (** Extract the premisses and the conclusion of a term of the form "(xi:Ti) ... (xj:=cj:Tj) ..., T" where T is not a product nor a let *) -val decompose_prod_assum : types -> Context.Rel.t * types +val decompose_prod_assum : types -> Constr.rel_context * types (** Idem with lambda's and let's *) -val decompose_lam_assum : constr -> Context.Rel.t * constr +val decompose_lam_assum : constr -> Constr.rel_context * constr (** Idem but extract the first [n] premisses, counting let-ins. *) -val decompose_prod_n_assum : int -> types -> Context.Rel.t * types +val decompose_prod_n_assum : int -> types -> Constr.rel_context * types (** Idem for lambdas, _not_ counting let-ins *) -val decompose_lam_n_assum : int -> constr -> Context.Rel.t * constr +val decompose_lam_n_assum : int -> constr -> Constr.rel_context * constr (** Idem, counting let-ins *) -val decompose_lam_n_decls : int -> constr -> Context.Rel.t * constr +val decompose_lam_n_decls : int -> constr -> Constr.rel_context * constr (** Return the premisses/parameters of a type/term (let-in included) *) -val prod_assum : types -> Context.Rel.t -val lam_assum : constr -> Context.Rel.t +val prod_assum : types -> Constr.rel_context +val lam_assum : constr -> Constr.rel_context (** Return the first n-th premisses/parameters of a type (let included and counted) *) -val prod_n_assum : int -> types -> Context.Rel.t +val prod_n_assum : int -> types -> Constr.rel_context (** Return the first n-th premisses/parameters of a term (let included but not counted) *) -val lam_n_assum : int -> constr -> Context.Rel.t +val lam_n_assum : int -> constr -> Constr.rel_context (** Remove the premisses/parameters of a type/term *) val strip_prod : types -> types @@ -327,7 +167,7 @@ val strip_lam_assum : constr -> constr Such a term can canonically be seen as the pair of a context of types and of a sort *) -type arity = Context.Rel.t * Sorts.t +type arity = Constr.rel_context * Sorts.t (** Build an "arity" from its canonical form *) val mkArity : arity -> types @@ -349,242 +189,11 @@ type ('constr, 'types) kind_of_type = val kind_of_type : types -> (constr, types) kind_of_type -(** {5 Redeclaration of stuff from module [Sorts]} *) - -val set_sort : Sorts.t -[@@ocaml.deprecated "Alias for Sorts.set"] - -val prop_sort : Sorts.t -[@@ocaml.deprecated "Alias for Sorts.prop"] - -val type1_sort : Sorts.t -[@@ocaml.deprecated "Alias for Sorts.type1"] - -val sorts_ord : Sorts.t -> Sorts.t -> int -[@@ocaml.deprecated "Alias for Sorts.compare"] - -val is_prop_sort : Sorts.t -> bool -[@@ocaml.deprecated "Alias for Sorts.is_prop"] - -val family_of_sort : Sorts.t -> Sorts.family +(* Deprecated *) +type sorts_family = Sorts.family = InProp | InSet | InType [@@ocaml.deprecated "Alias for Sorts.family"] -(** {5 Redeclaration of stuff from module [Constr]} - - See module [Constr] for further info. *) - -(** {6 Term constructors. } *) - -val mkRel : int -> constr -[@@ocaml.deprecated "Alias for Constr.mkRel"] -val mkVar : Id.t -> constr -[@@ocaml.deprecated "Alias for Constr.mkVar"] -val mkMeta : metavariable -> constr -[@@ocaml.deprecated "Alias for Constr.mkMeta"] -val mkEvar : existential -> constr -[@@ocaml.deprecated "Alias for Constr.mkEvar"] -val mkSort : Sorts.t -> types -[@@ocaml.deprecated "Alias for Constr.mkSort"] -val mkProp : types -[@@ocaml.deprecated "Alias for Constr.mkProp"] -val mkSet : types -[@@ocaml.deprecated "Alias for Constr.mkSet"] -val mkType : Univ.Universe.t -> types -[@@ocaml.deprecated "Alias for Constr.mkType"] -val mkCast : constr * cast_kind * constr -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkProd : Name.t * types * types -> types -[@@ocaml.deprecated "Alias for Constr"] -val mkLambda : Name.t * types * constr -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkLetIn : Name.t * constr * types * constr -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkApp : constr * constr array -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkConst : Constant.t -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkProj : projection * constr -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkInd : inductive -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkConstruct : constructor -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkConstU : Constant.t Univ.puniverses -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkIndU : inductive Univ.puniverses -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkConstructU : constructor Univ.puniverses -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkConstructUi : (pinductive * int) -> constr -[@@ocaml.deprecated "Alias for Constr"] -val mkCase : case_info * constr * constr * constr array -> constr -[@@ocaml.deprecated "Alias for Constr.mkCase"] -val mkFix : fixpoint -> constr -[@@ocaml.deprecated "Alias for Constr.mkFix"] -val mkCoFix : cofixpoint -> constr -[@@ocaml.deprecated "Alias for Constr.mkCoFix"] - -(** {6 Aliases} *) - -val eq_constr : constr -> constr -> bool -[@@ocaml.deprecated "Alias for Constr.equal"] - -(** [eq_constr_univs u a b] is [true] if [a] equals [b] modulo alpha, casts, - application grouping and the universe constraints in [u]. *) -val eq_constr_univs : constr UGraph.check_function -[@@ocaml.deprecated "Alias for Constr.eq_constr_univs"] - -(** [leq_constr_univs u a b] is [true] if [a] is convertible to [b] modulo - alpha, casts, application grouping and the universe constraints in [u]. *) -val leq_constr_univs : constr UGraph.check_function -[@@ocaml.deprecated "Alias for Constr.leq_constr_univs"] - -(** [eq_constr_univs a b] [true, c] if [a] equals [b] modulo alpha, casts, - application grouping and ignoring universe instances. *) -val eq_constr_nounivs : constr -> constr -> bool -[@@ocaml.deprecated "Alias for Constr.qe_constr_nounivs"] - -val kind_of_term : constr -> (constr, types, Sorts.t, Univ.Instance.t) kind_of_term -[@@ocaml.deprecated "Alias for Constr.kind"] - -val compare : constr -> constr -> int -[@@ocaml.deprecated "Alias for [Constr.compare]"] - -val constr_ord : constr -> constr -> int -[@@ocaml.deprecated "Alias for [Term.compare]"] - -val fold_constr : ('a -> constr -> 'a) -> 'a -> constr -> 'a -[@@ocaml.deprecated "Alias for [Constr.fold]"] - -val map_constr : (constr -> constr) -> constr -> constr -[@@ocaml.deprecated "Alias for [Constr.map]"] - -val map_constr_with_binders : - ('a -> 'a) -> ('a -> constr -> constr) -> 'a -> constr -> constr -[@@ocaml.deprecated "Alias for [Constr.map_with_binders]"] - -val map_puniverses : ('a -> 'b) -> 'a Univ.puniverses -> 'b Univ.puniverses -[@@ocaml.deprecated "Alias for [Constr.map_puniverses]"] -val univ_of_sort : Sorts.t -> Univ.Universe.t -[@@ocaml.deprecated "Alias for [Sorts.univ_of_sort]"] -val sort_of_univ : Univ.Universe.t -> Sorts.t -[@@ocaml.deprecated "Alias for [Sorts.sort_of_univ]"] - -val iter_constr : (constr -> unit) -> constr -> unit -[@@ocaml.deprecated "Alias for [Constr.iter]"] - -val iter_constr_with_binders : - ('a -> 'a) -> ('a -> constr -> unit) -> 'a -> constr -> unit -[@@ocaml.deprecated "Alias for [Constr.iter_with_binders]"] - -val compare_constr : (int -> constr -> constr -> bool) -> int -> constr -> constr -> bool -[@@ocaml.deprecated "Alias for [Constr.compare_head]"] - -type constr = Constr.constr -[@@ocaml.deprecated "Alias for Constr.t"] - -(** Alias types, for compatibility. *) - -type types = Constr.types -[@@ocaml.deprecated "Alias for Constr.types"] - -type contents = Sorts.contents = Pos | Null -[@@ocaml.deprecated "Alias for Sorts.contents"] - type sorts = Sorts.t = - | Prop of Sorts.contents (** Prop and Set *) + | Prop | Set | Type of Univ.Universe.t (** Type *) [@@ocaml.deprecated "Alias for Sorts.t"] - -type sorts_family = Sorts.family = InProp | InSet | InType -[@@ocaml.deprecated "Alias for Sorts.family"] - -type 'a puniverses = 'a Univ.puniverses -[@@ocaml.deprecated "Alias for Constr.puniverses"] - -(** Simply type aliases *) -type pconstant = Constr.pconstant -[@@ocaml.deprecated "Alias for Constr.pconstant"] -type pinductive = Constr.pinductive -[@@ocaml.deprecated "Alias for Constr.pinductive"] -type pconstructor = Constr.pconstructor -[@@ocaml.deprecated "Alias for Constr.pconstructor"] -type existential_key = Evar.t -[@@ocaml.deprecated "Alias for Evar.t"] -type existential = Constr.existential -[@@ocaml.deprecated "Alias for Constr.existential"] -type metavariable = Constr.metavariable -[@@ocaml.deprecated "Alias for Constr.metavariable"] - -type case_style = Constr.case_style = - LetStyle | IfStyle | LetPatternStyle | MatchStyle | RegularStyle -[@@ocaml.deprecated "Alias for Constr.case_style"] - -type case_printing = Constr.case_printing = - { ind_tags : bool list; cstr_tags : bool list array; style : Constr.case_style } -[@@ocaml.deprecated "Alias for Constr.case_printing"] - -type case_info = Constr.case_info = - { ci_ind : inductive; - ci_npar : int; - ci_cstr_ndecls : int array; - ci_cstr_nargs : int array; - ci_pp_info : Constr.case_printing - } -[@@ocaml.deprecated "Alias for Constr.case_info"] - -type cast_kind = Constr.cast_kind = - VMcast | NATIVEcast | DEFAULTcast | REVERTcast -[@@ocaml.deprecated "Alias for Constr.cast_kind"] - -type rec_declaration = Constr.rec_declaration -[@@ocaml.deprecated "Alias for Constr.rec_declaration"] -type fixpoint = Constr.fixpoint -[@@ocaml.deprecated "Alias for Constr.fixpoint"] -type cofixpoint = Constr.cofixpoint -[@@ocaml.deprecated "Alias for Constr.cofixpoint"] -type 'constr pexistential = 'constr Constr.pexistential -[@@ocaml.deprecated "Alias for Constr.pexistential"] -type ('constr, 'types) prec_declaration = - ('constr, 'types) Constr.prec_declaration -[@@ocaml.deprecated "Alias for Constr.prec_declaration"] -type ('constr, 'types) pfixpoint = ('constr, 'types) Constr.pfixpoint -[@@ocaml.deprecated "Alias for Constr.pfixpoint"] -type ('constr, 'types) pcofixpoint = ('constr, 'types) Constr.pcofixpoint -[@@ocaml.deprecated "Alias for Constr.pcofixpoint"] - -type ('constr, 'types, 'sort, 'univs) kind_of_term = - ('constr, 'types, 'sort, 'univs) Constr.kind_of_term = - | Rel of int - | Var of Id.t - | Meta of Constr.metavariable - | Evar of 'constr Constr.pexistential - | Sort of 'sort - | Cast of 'constr * Constr.cast_kind * 'types - | Prod of Name.t * 'types * 'types - | Lambda of Name.t * 'types * 'constr - | LetIn of Name.t * 'constr * 'types * 'constr - | App of 'constr * 'constr array - | Const of (Constant.t * 'univs) - | Ind of (inductive * 'univs) - | Construct of (constructor * 'univs) - | Case of Constr.case_info * 'constr * 'constr * 'constr array - | Fix of ('constr, 'types) Constr.pfixpoint - | CoFix of ('constr, 'types) Constr.pcofixpoint - | Proj of projection * 'constr -[@@ocaml.deprecated "Alias for Constr.kind_of_term"] - -type values = Vmvalues.values -[@@ocaml.deprecated "Alias for Vmvalues.values"] - -val hash_constr : Constr.constr -> int -[@@ocaml.deprecated "Alias for Constr.hash"] - -val hcons_sorts : Sorts.t -> Sorts.t -[@@ocaml.deprecated "Alias for [Sorts.hcons]"] - -val hcons_constr : Constr.constr -> Constr.constr -[@@ocaml.deprecated "Alias for [Constr.hcons]"] - -val hcons_types : Constr.types -> Constr.types -[@@ocaml.deprecated "Alias for [Constr.hcons]"] diff --git a/kernel/term_typing.ml b/kernel/term_typing.ml index e621a61c76..f9fdbdd68e 100644 --- a/kernel/term_typing.ml +++ b/kernel/term_typing.ml @@ -27,188 +27,25 @@ module NamedDecl = Context.Named.Declaration (* Insertion of constants and parameters in environment. *) -let equal_eff e1 e2 = - let open Entries in - match e1, e2 with - | { eff = SEsubproof (c1,_,_) }, { eff = SEsubproof (c2,_,_) } -> - Names.Constant.equal c1 c2 - | { eff = SEscheme (cl1,_) }, { eff = SEscheme (cl2,_) } -> - CList.for_all2eq - (fun (_,c1,_,_) (_,c2,_,_) -> Names.Constant.equal c1 c2) - cl1 cl2 - | _ -> false - -module SideEffects : -sig - type t - val repr : t -> side_effect list - val empty : t - val add : side_effect -> t -> t - val concat : t -> t -> t -end = -struct - -let compare_seff e1 e2 = match e1, e2 with -| SEsubproof (c1, _, _), SEsubproof (c2, _, _) -> Constant.CanOrd.compare c1 c2 -| SEscheme (cl1, _), SEscheme (cl2, _) -> - let cmp (_, c1, _, _) (_, c2, _, _) = Constant.CanOrd.compare c1 c2 in - CList.compare cmp cl1 cl2 -| SEsubproof _, SEscheme _ -> -1 -| SEscheme _, SEsubproof _ -> 1 - -module SeffOrd = struct -type t = side_effect -let compare e1 e2 = compare_seff e1.eff e2.eff -end - -module SeffSet = Set.Make(SeffOrd) - -type t = { seff : side_effect list; elts : SeffSet.t } -(** Invariant: [seff] is a permutation of the elements of [elts] *) - -let repr eff = eff.seff -let empty = { seff = []; elts = SeffSet.empty } -let add x es = - if SeffSet.mem x es.elts then es - else { seff = x :: es.seff; elts = SeffSet.add x es.elts } -let concat xes yes = - List.fold_right add xes.seff yes - -end - -type side_effects = SideEffects.t +type 'a effect_handler = + env -> Constr.t -> 'a -> (Constr.t * Univ.ContextSet.t * int) type _ trust = | Pure : unit trust -| SideEffects : structure_body -> side_effects trust - -let uniq_seff_rev = SideEffects.repr -let uniq_seff l = List.rev (SideEffects.repr l) - -let empty_seff = SideEffects.empty -let add_seff = SideEffects.add -let concat_seff = SideEffects.concat - -let mk_pure_proof c = (c, Univ.ContextSet.empty), empty_seff - -let inline_side_effects env body ctx side_eff = - (** First step: remove the constants that are still in the environment *) - let filter { eff = se; from_env = mb } = - let cbl = match se with - | SEsubproof (c, cb, b) -> [c, cb, b] - | SEscheme (cl,_) -> - List.map (fun (_, c, cb, b) -> c, cb, b) cl - in - let not_exists (c,_,_) = - try ignore(Environ.lookup_constant c env); false - with Not_found -> true in - let cbl = List.filter not_exists cbl in - (cbl, mb) - in - (* CAVEAT: we assure that most recent effects come first *) - let side_eff = List.map filter (uniq_seff_rev side_eff) in - let sigs = List.rev_map (fun (cbl, mb) -> mb, List.length cbl) side_eff in - let side_eff = List.fold_left (fun accu (cbl, _) -> cbl @ accu) [] side_eff in - let side_eff = List.rev side_eff in - (** Most recent side-effects first in side_eff *) - if List.is_empty side_eff then (body, ctx, sigs) - else - (** Second step: compute the lifts and substitutions to apply *) - let cname c = - let name = Constant.to_string c in - let map c = if c == '.' || c == '#' then '_' else c in - let name = String.map map name in - Name (Id.of_string name) - in - let fold (subst, var, ctx, args) (c, cb, b) = - let (b, opaque) = match cb.const_body, b with - | Def b, _ -> (Mod_subst.force_constr b, false) - | OpaqueDef _, `Opaque (b,_) -> (b, true) - | _ -> assert false - in - match cb.const_universes with - | Monomorphic_const univs -> - (** Abstract over the term at the top of the proof *) - let ty = cb.const_type in - let subst = Cmap_env.add c (Inr var) subst in - let ctx = Univ.ContextSet.union ctx univs in - (subst, var + 1, ctx, (cname c, b, ty, opaque) :: args) - | Polymorphic_const auctx -> - (** Inline the term to emulate universe polymorphism *) - let subst = Cmap_env.add c (Inl b) subst in - (subst, var, ctx, args) - in - let (subst, len, ctx, args) = List.fold_left fold (Cmap_env.empty, 1, ctx, []) side_eff in - (** Third step: inline the definitions *) - let rec subst_const i k t = match Constr.kind t with - | Const (c, u) -> - let data = try Some (Cmap_env.find c subst) with Not_found -> None in - begin match data with - | None -> t - | Some (Inl b) -> - (** [b] is closed but may refer to other constants *) - subst_const i k (Vars.subst_instance_constr u b) - | Some (Inr n) -> - mkRel (k + n - i) - end - | Rel n -> - (** Lift free rel variables *) - if n <= k then t - else mkRel (n + len - i - 1) - | _ -> Constr.map_with_binders ((+) 1) (fun k t -> subst_const i k t) k t - in - let map_args i (na, b, ty, opaque) = - (** Both the type and the body may mention other constants *) - let ty = subst_const (len - i - 1) 0 ty in - let b = subst_const (len - i - 1) 0 b in - (na, b, ty, opaque) - in - let args = List.mapi map_args args in - let body = subst_const 0 0 body in - let fold_arg (na, b, ty, opaque) accu = - if opaque then mkApp (mkLambda (na, ty, accu), [|b|]) - else mkLetIn (na, b, ty, accu) - in - let body = List.fold_right fold_arg args body in - (body, ctx, sigs) - -let rec is_nth_suffix n l suf = - if Int.equal n 0 then l == suf - else match l with - | [] -> false - | _ :: l -> is_nth_suffix (pred n) l suf - -(* Given the list of signatures of side effects, checks if they match. - * I.e. if they are ordered descendants of the current revstruct *) -let check_signatures curmb sl = - let is_direct_ancestor (sl, curmb) (mb, how_many) = - match curmb with - | None -> None, None - | Some curmb -> - try - let mb = CEphemeron.get mb in - match sl with - | None -> sl, None - | Some n -> - if is_nth_suffix how_many mb curmb - then Some (n + how_many), Some mb - else None, None - with CEphemeron.InvalidKey -> None, None in - let sl, _ = List.fold_left is_direct_ancestor (Some 0,Some curmb) sl in - sl +| SideEffects : 'a effect_handler -> 'a trust let skip_trusted_seff sl b e = let rec aux sl b e acc = let open Context.Rel.Declaration in - match sl, kind b with - | (None|Some 0), _ -> b, e, acc - | Some sl, LetIn (n,c,ty,bo) -> - aux (Some (sl-1)) bo + if Int.equal sl 0 then b, e, acc + else match kind b with + | LetIn (n,c,ty,bo) -> + aux (sl - 1) bo (Environ.push_rel (LocalDef (n,c,ty)) e) (`Let(n,c,ty)::acc) - | Some sl, App(hd,arg) -> + | App(hd,arg) -> begin match kind hd with | Lambda (n,ty,bo) -> - aux (Some (sl-1)) bo + aux (sl - 1) bo (Environ.push_rel (LocalAssum (n,ty)) e) (`Cut(n,ty,arg)::acc) | _ -> assert false end @@ -231,8 +68,8 @@ let feedback_completion_typecheck = let abstract_constant_universes = function | Monomorphic_const_entry uctx -> Univ.empty_level_subst, Monomorphic_const uctx - | Polymorphic_const_entry uctx -> - let sbst, auctx = Univ.abstract_universes uctx in + | Polymorphic_const_entry (nas, uctx) -> + let sbst, auctx = Univ.abstract_universes nas uctx in let sbst = Univ.make_instance_subst sbst in sbst, Polymorphic_const auctx @@ -241,7 +78,7 @@ let infer_declaration (type a) ~(trust : a trust) env (dcl : a constant_entry) = | ParameterEntry (ctx,(t,uctx),nl) -> let env = match uctx with | Monomorphic_const_entry uctx -> push_context_set ~strict:true uctx env - | Polymorphic_const_entry uctx -> push_context ~strict:false uctx env + | Polymorphic_const_entry (_, uctx) -> push_context ~strict:false uctx env in let j = infer env t in let usubst, univs = abstract_constant_universes uctx in @@ -250,8 +87,8 @@ let infer_declaration (type a) ~(trust : a trust) env (dcl : a constant_entry) = { Cooking.cook_body = Undef nl; cook_type = t; - cook_proj = None; cook_universes = univs; + cook_private_univs = None; cook_inline = false; cook_context = ctx; } @@ -262,21 +99,23 @@ let infer_declaration (type a) ~(trust : a trust) env (dcl : a constant_entry) = delay even in the polymorphic case. *) | DefinitionEntry ({ const_entry_type = Some typ; const_entry_opaque = true; - const_entry_universes = Monomorphic_const_entry univs } as c) -> + const_entry_universes = Monomorphic_const_entry univs; _ } as c) -> let env = push_context_set ~strict:true univs env in - let { const_entry_body = body; const_entry_feedback = feedback_id } = c in + let { const_entry_body = body; const_entry_feedback = feedback_id ; _ } = c in let tyj = infer_type env typ in let proofterm = Future.chain body (fun ((body,uctx),side_eff) -> + (* don't redeclare universes which are declared for the type *) + let uctx = Univ.ContextSet.diff uctx univs in let j, uctx = match trust with | Pure -> let env = push_context_set uctx env in let j = infer env body in let _ = judge_of_cast env j DEFAULTcast tyj in j, uctx - | SideEffects mb -> - let (body, uctx, signatures) = inline_side_effects env body uctx side_eff in - let valid_signatures = check_signatures mb signatures in + | SideEffects handle -> + let (body, uctx', valid_signatures) = handle env body side_eff in + let uctx = Univ.ContextSet.union uctx uctx' in let env = push_context_set uctx env in let body,env,ectx = skip_trusted_seff valid_signatures body env in let j = infer env body in @@ -291,39 +130,42 @@ let infer_declaration (type a) ~(trust : a trust) env (dcl : a constant_entry) = { Cooking.cook_body = def; cook_type = typ; - cook_proj = None; cook_universes = Monomorphic_const univs; + cook_private_univs = None; cook_inline = c.const_entry_inline_code; cook_context = c.const_entry_secctx; } (** Other definitions have to be processed immediately. *) | DefinitionEntry c -> - let { const_entry_type = typ; const_entry_opaque = opaque } = c in - let { const_entry_body = body; const_entry_feedback = feedback_id } = c in + let { const_entry_type = typ; const_entry_opaque = opaque ; _ } = c in + let { const_entry_body = body; const_entry_feedback = feedback_id; _ } = c in let (body, ctx), side_eff = Future.join body in - let body, ctx, _ = match trust with - | Pure -> body, ctx, [] - | SideEffects _ -> inline_side_effects env body ctx side_eff + let body, ctx = match trust with + | Pure -> body, ctx + | SideEffects handle -> + let body, ctx', _ = handle env body side_eff in + body, Univ.ContextSet.union ctx ctx' in - let env, usubst, univs = match c.const_entry_universes with + let env, usubst, univs, private_univs = match c.const_entry_universes with | Monomorphic_const_entry univs -> let ctx = Univ.ContextSet.union univs ctx in let env = push_context_set ~strict:true ctx env in - env, Univ.empty_level_subst, Monomorphic_const ctx - | Polymorphic_const_entry uctx -> - (** Ensure not to generate internal constraints in polymorphic mode. - The only way for this to happen would be that either the body - contained deferred universes, or that it contains monomorphic - side-effects. The first property is ruled out by upper layers, - and the second one is ensured by the fact we currently - unconditionally export side-effects from polymorphic definitions, - i.e. [trust] is always [Pure]. *) - let () = assert (Univ.ContextSet.is_empty ctx) in + env, Univ.empty_level_subst, Monomorphic_const ctx, None + | Polymorphic_const_entry (nas, uctx) -> + (** [ctx] must contain local universes, such that it has no impact + on the rest of the graph (up to transitivity). *) let env = push_context ~strict:false uctx env in - let sbst, auctx = Univ.abstract_universes uctx in + let sbst, auctx = Univ.abstract_universes nas uctx in let sbst = Univ.make_instance_subst sbst in - env, sbst, Polymorphic_const auctx + let env, local = + if opaque then + push_subgraph ctx env, Some (on_snd (Univ.subst_univs_level_constraints sbst) ctx) + else + if Univ.ContextSet.is_empty ctx then env, None + else CErrors.anomaly Pp.(str "Local universes in non-opaque polymorphic definition.") + in + env, sbst, Polymorphic_const auctx, local in let j = infer env body in let typ = match typ with @@ -343,39 +185,12 @@ let infer_declaration (type a) ~(trust : a trust) env (dcl : a constant_entry) = { Cooking.cook_body = def; cook_type = typ; - cook_proj = None; cook_universes = univs; + cook_private_univs = private_univs; cook_inline = c.const_entry_inline_code; cook_context = c.const_entry_secctx; } - | ProjectionEntry {proj_entry_ind = ind; proj_entry_arg = i} -> - let mib, _ = Inductive.lookup_mind_specif env (ind,0) in - let kn, pb = - match mib.mind_record with - | Some (Some (id, kns, pbs)) -> - if i < Array.length pbs then - kns.(i), pbs.(i) - else assert false - | _ -> assert false - in - let univs = - match mib.mind_universes with - | Monomorphic_ind ctx -> Monomorphic_const ctx - | Polymorphic_ind auctx -> Polymorphic_const auctx - | Cumulative_ind acumi -> - Polymorphic_const (Univ.ACumulativityInfo.univ_context acumi) - in - let term, typ = pb.proj_eta in - { - Cooking.cook_body = Def (Mod_subst.from_val (Constr.hcons term)); - cook_type = typ; - cook_proj = Some pb; - cook_universes = univs; - cook_inline = false; - cook_context = None; - } - let record_aux env s_ty s_bo = let in_ty = keep_hyps env s_ty in let v = @@ -387,7 +202,7 @@ let record_aux env s_ty s_bo = (keep_hyps env s_bo)) in Aux_file.record_in_aux "context_used" v -let build_constant_declaration kn env result = +let build_constant_declaration _kn env result = let open Cooking in let typ = result.cook_type in let check declared inferred = @@ -408,7 +223,7 @@ let build_constant_declaration kn env result = str "Proof using " ++ declared_vars ++ fnl () ++ str "to" ++ fnl () ++ str "Proof using " ++ inferred_vars) in - let sort evn l = + let sort l = List.filter (fun decl -> let id = NamedDecl.get_id decl in List.exists (NamedDecl.get_id %> Names.Id.equal id) l) @@ -441,7 +256,7 @@ let build_constant_declaration kn env result = [], def (* Empty section context: no need to check *) | Some declared -> (* We use the declared set and chain a check of correctness *) - sort env declared, + sort declared, match def with | Undef _ as x -> x (* nothing to check *) | Def cs as x -> @@ -458,37 +273,15 @@ let build_constant_declaration kn env result = check declared inferred) lc) in let univs = result.cook_universes in let tps = - let res = - match result.cook_proj with - | None -> compile_constant_body env univs def - | Some pb -> - (* The compilation of primitive projections is a bit tricky, because - they refer to themselves (the body of p looks like fun c => - Proj(p,c)). We break the cycle by building an ad-hoc compilation - environment. A cleaner solution would be that kernel projections are - simply Proj(i,c) with i an int and c a constr, but we would have to - get rid of the compatibility layer. *) - let cb = - { const_hyps = hyps; - const_body = def; - const_type = typ; - const_proj = result.cook_proj; - const_body_code = None; - const_universes = univs; - const_inline_code = result.cook_inline; - const_typing_flags = Environ.typing_flags env; - } - in - let env = add_constant kn cb env in - compile_constant_body env univs def - in Option.map Cemitcodes.from_val res + let res = Cbytegen.compile_constant_body ~fail_on_error:false env univs def in + Option.map Cemitcodes.from_val res in { const_hyps = hyps; const_body = def; const_type = typ; - const_proj = result.cook_proj; const_body_code = tps; const_universes = univs; + const_private_poly_univs = result.cook_private_univs; const_inline_code = result.cook_inline; const_typing_flags = Environ.typing_flags env } @@ -498,117 +291,15 @@ let translate_constant mb env kn ce = build_constant_declaration kn env (infer_declaration ~trust:mb env ce) -let constant_entry_of_side_effect cb u = - let univs = - match cb.const_universes with - | Monomorphic_const uctx -> - Monomorphic_const_entry uctx - | Polymorphic_const auctx -> - Polymorphic_const_entry (Univ.AUContext.repr auctx) - in - let pt = - match cb.const_body, u with - | OpaqueDef _, `Opaque (b, c) -> b, c - | Def b, `Nothing -> Mod_subst.force_constr b, Univ.ContextSet.empty - | _ -> assert false in - DefinitionEntry { - const_entry_body = Future.from_val (pt, ()); - const_entry_secctx = None; - const_entry_feedback = None; - const_entry_type = Some cb.const_type; - const_entry_universes = univs; - const_entry_opaque = Declareops.is_opaque cb; - const_entry_inline_code = cb.const_inline_code } -;; - -let turn_direct (kn,cb,u,r as orig) = - match cb.const_body, u with - | OpaqueDef _, `Opaque (b,c) -> - let pt = Future.from_val (b,c) in - kn, { cb with const_body = OpaqueDef (Opaqueproof.create pt) }, u, r - | _ -> orig -;; - -type side_effect_role = - | Subproof - | Schema of inductive * string - -type exported_side_effect = - Constant.t * constant_body * side_effect_role - -let export_side_effects mb env c = - let { const_entry_body = body } = c in - let _, eff = Future.force body in - let ce = { c with - const_entry_body = Future.chain body - (fun (b_ctx, _) -> b_ctx, ()) } in - let not_exists (c,_,_,_) = - try ignore(Environ.lookup_constant c env); false - with Not_found -> true in - let aux (acc,sl) { eff = se; from_env = mb } = - let cbl = match se with - | SEsubproof (c,cb,b) -> [c,cb,b,Subproof] - | SEscheme (cl,k) -> - List.map (fun (i,c,cb,b) -> c,cb,b,Schema(i,k)) cl in - let cbl = List.filter not_exists cbl in - if cbl = [] then acc, sl - else cbl :: acc, (mb,List.length cbl) :: sl in - let seff, signatures = List.fold_left aux ([],[]) (uniq_seff_rev eff) in - let trusted = check_signatures mb signatures in - let push_seff env = function - | kn, cb, `Nothing, _ -> - begin - let env = Environ.add_constant kn cb env in - match cb.const_universes with - | Monomorphic_const ctx -> - Environ.push_context_set ~strict:true ctx env - | Polymorphic_const _ -> env - end - | kn, cb, `Opaque(_, ctx), _ -> - begin - let env = Environ.add_constant kn cb env in - match cb.const_universes with - | Monomorphic_const cstctx -> - let env = Environ.push_context_set ~strict:true cstctx env in - Environ.push_context_set ~strict:true ctx env - | Polymorphic_const _ -> env - end - in - let rec translate_seff sl seff acc env = - match sl, seff with - | _, [] -> List.rev acc, ce - | (None | Some 0), cbs :: rest -> - let env, cbs = - List.fold_left (fun (env,cbs) (kn, ocb, u, r) -> - let ce = constant_entry_of_side_effect ocb u in - let cb = translate_constant Pure env kn ce in - (push_seff env (kn, cb,`Nothing, Subproof),(kn,cb,r) :: cbs)) - (env,[]) cbs in - translate_seff sl rest (cbs @ acc) env - | Some sl, cbs :: rest -> - let cbs_len = List.length cbs in - let cbs = List.map turn_direct cbs in - let env = List.fold_left push_seff env cbs in - let ecbs = List.map (fun (kn,cb,u,r) -> - kn, cb, r) cbs in - translate_seff (Some (sl-cbs_len)) rest (ecbs @ acc) env - in - translate_seff trusted seff [] env -;; - let translate_local_assum env t = let j = infer env t in let t = Typeops.assumption_of_judgment env j in t -let translate_recipe env kn r = - (** We only hashcons the term when outside of a section, otherwise this would - be useless. It is detected by the dirpath of the constant being empty. *) - let (_, dir, _) = Constant.repr3 kn in - let hcons = DirPath.is_empty dir in - build_constant_declaration kn env (Cooking.cook_constant ~hcons env r) +let translate_recipe ~hcons env kn r = + build_constant_declaration kn env (Cooking.cook_constant ~hcons r) -let translate_local_def env id centry = +let translate_local_def env _id centry = let open Cooking in let body = Future.from_val ((centry.secdef_body, Univ.ContextSet.empty), ()) in let centry = { @@ -652,13 +343,3 @@ let translate_local_def env id centry = (* Insertion of inductive types. *) let translate_mind env kn mie = Indtypes.check_inductive env kn mie - -let inline_entry_side_effects env ce = { ce with - const_entry_body = Future.chain - ce.const_entry_body (fun ((body, ctx), side_eff) -> - let body, ctx',_ = inline_side_effects env body ctx side_eff in - (body, ctx'), ()); -} - -let inline_side_effects env body side_eff = - pi1 (inline_side_effects env body Univ.ContextSet.empty side_eff) diff --git a/kernel/term_typing.mli b/kernel/term_typing.mli index 6a0ff072f5..faf434c142 100644 --- a/kernel/term_typing.mli +++ b/kernel/term_typing.mli @@ -14,63 +14,31 @@ open Environ open Declarations open Entries -type side_effects +(** Handlers are used to manage side-effects. The ['a] type stands for the type + of side-effects, and it is parametric because they are only defined later + on. Handlers inline the provided side-effects into the term, and return + the set of additional global constraints that need to be added for the term + to be well typed. *) +type 'a effect_handler = + env -> Constr.t -> 'a -> (Constr.t * Univ.ContextSet.t * int) type _ trust = | Pure : unit trust -| SideEffects : structure_body -> side_effects trust +| SideEffects : 'a effect_handler -> 'a trust val translate_local_def : env -> Id.t -> section_def_entry -> constr * types val translate_local_assum : env -> types -> types -val mk_pure_proof : constr -> side_effects proof_output - -val inline_side_effects : env -> constr -> side_effects -> constr -(** Returns the term where side effects have been turned into let-ins or beta - redexes. *) - -val inline_entry_side_effects : - env -> side_effects definition_entry -> unit definition_entry -(** Same as {!inline_side_effects} but applied to entries. Only modifies the - {!Entries.const_entry_body} field. It is meant to get a term out of a not - yet type checked proof. *) - -val empty_seff : side_effects -val add_seff : side_effect -> side_effects -> side_effects -val concat_seff : side_effects -> side_effects -> side_effects -(** [concat_seff e1 e2] adds the side-effects of [e1] to [e2], i.e. effects in - [e1] must be more recent than those of [e2]. *) -val uniq_seff : side_effects -> side_effect list -(** Return the list of individual side-effects in the order of their - creation. *) - -val equal_eff : side_effect -> side_effect -> bool - val translate_constant : 'a trust -> env -> Constant.t -> 'a constant_entry -> constant_body -type side_effect_role = - | Subproof - | Schema of inductive * string - -type exported_side_effect = - Constant.t * constant_body * side_effect_role - -(* Given a constant entry containing side effects it exports them (either - * by re-checking them or trusting them). Returns the constant bodies to - * be pushed in the safe_env by safe typing. The main constant entry - * needs to be translated as usual after this step. *) -val export_side_effects : - structure_body -> env -> side_effects definition_entry -> - exported_side_effect list * unit definition_entry - val translate_mind : env -> MutInd.t -> mutual_inductive_entry -> mutual_inductive_body -val translate_recipe : env -> Constant.t -> Cooking.recipe -> constant_body +val translate_recipe : hcons:bool -> env -> Constant.t -> Cooking.recipe -> constant_body (** Internal functions, mentioned here for debug purpose only *) diff --git a/kernel/transparentState.ml b/kernel/transparentState.ml new file mode 100644 index 0000000000..9661dace6a --- /dev/null +++ b/kernel/transparentState.ml @@ -0,0 +1,45 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +open Names + +type t = { + tr_var : Id.Pred.t; + tr_cst : Cpred.t; +} + +let empty = { + tr_var = Id.Pred.empty; + tr_cst = Cpred.empty; +} + +let full = { + tr_var = Id.Pred.full; + tr_cst = Cpred.full; +} + +let var_full = { + tr_var = Id.Pred.full; + tr_cst = Cpred.empty; +} + +let cst_full = { + tr_var = Id.Pred.empty; + tr_cst = Cpred.full; +} + +let is_empty ts = + Id.Pred.is_empty ts.tr_var && Cpred.is_empty ts.tr_cst + +let is_transparent_variable ts id = + Id.Pred.mem id ts.tr_var + +let is_transparent_constant ts cst = + Cpred.mem cst ts.tr_cst diff --git a/kernel/transparentState.mli b/kernel/transparentState.mli new file mode 100644 index 0000000000..f2999c6869 --- /dev/null +++ b/kernel/transparentState.mli @@ -0,0 +1,34 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +open Names + +(** Sets of names *) +type t = { + tr_var : Id.Pred.t; + tr_cst : Cpred.t; +} + +val empty : t +(** Everything opaque *) + +val full : t +(** Everything transparent *) + +val var_full : t +(** All variables transparent *) + +val cst_full : t +(** All constant transparent *) + +val is_empty : t -> bool + +val is_transparent_variable : t -> Id.t -> bool +val is_transparent_constant : t -> Constant.t -> bool diff --git a/kernel/type_errors.ml b/kernel/type_errors.ml index 1c323e3ea2..60293fe864 100644 --- a/kernel/type_errors.ml +++ b/kernel/type_errors.ml @@ -62,6 +62,7 @@ type ('constr, 'types) ptype_error = | IllTypedRecBody of int * Name.t array * ('constr, 'types) punsafe_judgment array * 'types array | UnsatisfiedConstraints of Univ.Constraint.t + | UndeclaredUniverse of Univ.Level.t type type_error = (constr, types) ptype_error @@ -125,3 +126,6 @@ let error_elim_explain kp ki = let error_unsatisfied_constraints env c = raise (TypeError (env, UnsatisfiedConstraints c)) + +let error_undeclared_universe env l = + raise (TypeError (env, UndeclaredUniverse l)) diff --git a/kernel/type_errors.mli b/kernel/type_errors.mli index 20bf300ac3..3fd40a7f42 100644 --- a/kernel/type_errors.mli +++ b/kernel/type_errors.mli @@ -12,7 +12,7 @@ open Names open Constr open Environ -(** Type errors. {% \label{%}typeerrors{% }%} *) +(** Type errors. {% \label{typeerrors} %} *) (*i Rem: NotEnoughAbstractionInFixBody should only occur with "/i" Fix notation i*) @@ -63,6 +63,7 @@ type ('constr, 'types) ptype_error = | IllTypedRecBody of int * Name.t array * ('constr, 'types) punsafe_judgment array * 'types array | UnsatisfiedConstraints of Univ.Constraint.t + | UndeclaredUniverse of Univ.Level.t type type_error = (constr, types) ptype_error @@ -108,3 +109,5 @@ val error_ill_typed_rec_body : val error_elim_explain : Sorts.family -> Sorts.family -> arity_error val error_unsatisfied_constraints : env -> Univ.Constraint.t -> 'a + +val error_undeclared_universe : env -> Univ.Level.t -> 'a diff --git a/kernel/typeops.ml b/kernel/typeops.ml index be4c0e1ecc..c9acd168e8 100644 --- a/kernel/typeops.ml +++ b/kernel/typeops.ml @@ -69,7 +69,7 @@ let type_of_type u = mkType uu let type_of_sort = function - | Prop c -> type1 + | Prop | Set -> type1 | Type u -> type_of_type u (*s Type of a de Bruijn index. *) @@ -91,7 +91,8 @@ let type_of_variable env id = (* Checks if a context of variables can be instantiated by the variables of the current env. Order does not have to be checked assuming that all names are distinct *) -let check_hyps_inclusion env f c sign = +let check_hyps_inclusion env ?evars f c sign = + let conv env a b = conv env ?evars a b in Context.Named.fold_outside (fun d1 () -> let open Context.Named.Declaration in @@ -118,14 +119,14 @@ let check_hyps_inclusion env f c sign = (* Type of constants *) -let type_of_constant env (kn,u as cst) = +let type_of_constant env (kn,_u as cst) = let cb = lookup_constant kn env in let () = check_hyps_inclusion env mkConstU cst cb.const_hyps in let ty, cu = constant_type env cst in let () = check_constraints cu env in ty -let type_of_constant_in env (kn,u as cst) = +let type_of_constant_in env (kn,_u as cst) = let cb = lookup_constant kn env in let () = check_hyps_inclusion env mkConstU cst cb.const_hyps in constant_type_in env cst @@ -142,7 +143,7 @@ let type_of_constant_in env (kn,u as cst) = and no upper constraint exists on the sort $s$, we don't need to compute $s$ *) -let type_of_abstraction env name var ty = +let type_of_abstraction _env name var ty = mkProd (name, var, ty) (* Type of an application. *) @@ -150,39 +151,52 @@ let type_of_abstraction env name var ty = let make_judgev c t = Array.map2 make_judge c t +let rec check_empty_stack = function +| [] -> true +| CClosure.Zupdate _ :: s -> check_empty_stack s +| _ -> false + let type_of_apply env func funt argsv argstv = + let open CClosure in let len = Array.length argsv in - let rec apply_rec i typ = - if Int.equal i len then typ - else - (match kind (whd_all env typ) with - | Prod (_,c1,c2) -> - let arg = argsv.(i) and argt = argstv.(i) in - (try - let () = conv_leq false env argt c1 in - apply_rec (i+1) (subst1 arg c2) - with NotConvertible -> - error_cant_apply_bad_type env - (i+1,c1,argt) - (make_judge func funt) - (make_judgev argsv argstv)) - + let infos = create_clos_infos all env in + let tab = create_tab () in + let rec apply_rec i typ = + if Int.equal i len then term_of_fconstr typ + else + let typ, stk = whd_stack infos tab typ [] in + (** The return stack is known to be empty *) + let () = assert (check_empty_stack stk) in + match fterm_of typ with + | FProd (_, c1, c2, e) -> + let arg = argsv.(i) in + let argt = argstv.(i) in + let c1 = term_of_fconstr c1 in + begin match conv_leq false env argt c1 with + | () -> apply_rec (i+1) (mk_clos (Esubst.subs_cons ([| inject arg |], e)) c2) + | exception NotConvertible -> + error_cant_apply_bad_type env + (i+1,c1,argt) + (make_judge func funt) + (make_judgev argsv argstv) + end | _ -> - error_cant_apply_not_functional env - (make_judge func funt) - (make_judgev argsv argstv)) - in apply_rec 0 funt + error_cant_apply_not_functional env + (make_judge func funt) + (make_judgev argsv argstv) + in + apply_rec 0 (inject funt) (* Type of product *) let sort_of_product env domsort rangsort = match (domsort, rangsort) with (* Product rule (s,Prop,Prop) *) - | (_, Prop Null) -> rangsort + | (_, Prop) -> rangsort (* Product rule (Prop/Set,Set,Set) *) - | (Prop _, Prop Pos) -> rangsort + | ((Prop | Set), Set) -> rangsort (* Product rule (Type,Set,?) *) - | (Type u1, Prop Pos) -> + | (Type u1, Set) -> if is_impredicative_set env then (* Rule is (Type,Set,Set) in the Set-impredicative calculus *) rangsort @@ -190,9 +204,9 @@ let sort_of_product env domsort rangsort = (* Rule is (Type_i,Set,Type_i) in the Set-predicative calculus *) Type (Universe.sup Universe.type0 u1) (* Product rule (Prop,Type_i,Type_i) *) - | (Prop Pos, Type u2) -> Type (Universe.sup Universe.type0 u2) + | (Set, Type u2) -> Type (Universe.sup Universe.type0 u2) (* Product rule (Prop,Type_i,Type_i) *) - | (Prop Null, Type _) -> rangsort + | (Prop, Type _) -> rangsort (* Product rule (Type_i,Type_i,Type_i) *) | (Type u1, Type u2) -> Type (Universe.sup u1 u2) @@ -204,7 +218,7 @@ let sort_of_product env domsort rangsort = where j.uj_type is convertible to a sort s2 *) -let type_of_product env name s1 s2 = +let type_of_product env _name s1 s2 = let s = sort_of_product env s1 s2 in mkSort s @@ -221,7 +235,7 @@ let check_cast env c ct k expected_type = try match k with | VMcast -> - vm_conv CUMUL env ct expected_type + Vconv.vm_conv CUMUL env ct expected_type | DEFAULTcast -> default_conv ~l2r:false CUMUL env ct expected_type | REVERTcast -> @@ -247,7 +261,7 @@ let check_cast env c ct k expected_type = dynamic constraints of the form u<=v are enforced *) let type_of_inductive_knowing_parameters env (ind,u as indu) args = - let (mib,mip) as spec = lookup_mind_specif env ind in + let (mib,_mip) as spec = lookup_mind_specif env ind in check_hyps_inclusion env mkIndU indu mib.mind_hyps; let t,cst = Inductive.constrained_type_of_inductive_knowing_parameters env (spec,u) args @@ -264,7 +278,7 @@ let type_of_inductive env (ind,u as indu) = (* Constructors. *) -let type_of_constructor env (c,u as cu) = +let type_of_constructor env (c,_u as cu) = let () = let ((kn,_),_) = c in let mib = lookup_mind kn env in @@ -285,7 +299,7 @@ let check_branch_types env (ind,u) c ct lft explft = | Invalid_argument _ -> error_number_branches env (make_judge c ct) (Array.length explft) -let type_of_case env ci p pt c ct lf lft = +let type_of_case env ci p pt c ct _lf lft = let (pind, _ as indspec) = try find_rectype env ct with Not_found -> error_case_not_inductive env (make_judge c ct) in @@ -296,13 +310,13 @@ let type_of_case env ci p pt c ct lf lft = rslty let type_of_projection env p c ct = - let pb = lookup_projection p env in + let pty = lookup_projection p env in let (ind,u), args = try find_rectype env ct with Not_found -> error_case_not_inductive env (make_judge c ct) in - assert(MutInd.equal pb.proj_ind (fst ind)); - let ty = Vars.subst_instance_constr u pb.Declarations.proj_type in + assert(eq_ind (Projection.inductive p) ind); + let ty = Vars.subst_instance_constr u pty in substl (c :: CList.rev args) ty @@ -319,6 +333,52 @@ let check_fixpoint env lna lar vdef vdeft = with NotConvertibleVect i -> error_ill_typed_rec_body env i lna (make_judgev vdef vdeft) lar +(* Global references *) + +let type_of_global_in_context env r = + let open Names.GlobRef in + match r with + | VarRef id -> Environ.named_type id env, Univ.AUContext.empty + | ConstRef c -> + let cb = Environ.lookup_constant c env in + let univs = Declareops.constant_polymorphic_context cb in + cb.Declarations.const_type, univs + | IndRef ind -> + let (mib,_ as specif) = Inductive.lookup_mind_specif env ind in + let univs = Declareops.inductive_polymorphic_context mib in + let inst = Univ.make_abstract_instance univs in + let env = Environ.push_context ~strict:false (Univ.AUContext.repr univs) env in + Inductive.type_of_inductive env (specif, inst), univs + | ConstructRef cstr -> + let (mib,_ as specif) = + Inductive.lookup_mind_specif env (inductive_of_constructor cstr) + in + let univs = Declareops.inductive_polymorphic_context mib in + let inst = Univ.make_abstract_instance univs in + Inductive.type_of_constructor (cstr,inst) specif, univs + +(* Build a fresh instance for a given context, its associated substitution and + the instantiated constraints. *) + +let constr_of_global_in_context env r = + let open GlobRef in + match r with + | VarRef id -> mkVar id, Univ.AUContext.empty + | ConstRef c -> + let cb = lookup_constant c env in + let univs = Declareops.constant_polymorphic_context cb in + mkConstU (c, Univ.make_abstract_instance univs), univs + | IndRef ind -> + let (mib,_) = Inductive.lookup_mind_specif env ind in + let univs = Declareops.inductive_polymorphic_context mib in + mkIndU (ind, Univ.make_abstract_instance univs), univs + | ConstructRef cstr -> + let (mib,_) = + Inductive.lookup_mind_specif env (inductive_of_constructor cstr) + in + let univs = Declareops.inductive_polymorphic_context mib in + mkConstructU (cstr, Univ.make_abstract_instance univs), univs + (************************************************************************) (************************************************************************) @@ -399,7 +459,7 @@ let rec execute env cstr = let lft = execute_array env lf in type_of_case env ci p pt c ct lf lft - | Fix ((vn,i as vni),recdef) -> + | Fix ((_vn,i as vni),recdef) -> let (fix_ty,recdef') = execute_recdef env recdef i in let fix = (vni,recdef') in check_fix env fix; fix_ty @@ -431,7 +491,15 @@ and execute_recdef env (names,lar,vdef) i = and execute_array env = Array.map (execute env) (* Derived functions *) + +let check_wellformed_universes env c = + let univs = universes_of_constr c in + try UGraph.check_declared_universes (universes env) univs + with UGraph.UndeclaredLevel u -> + error_undeclared_universe env u + let infer env constr = + let () = check_wellformed_universes env constr in let t = execute env constr in make_judge constr t @@ -449,42 +517,36 @@ let type_judgment env {uj_val=c; uj_type=t} = {utj_val = c; utj_type = s } let infer_type env constr = + let () = check_wellformed_universes env constr in let t = execute env constr in let s = check_type env constr t in {utj_val = constr; utj_type = s} let infer_v env cv = + let () = Array.iter (check_wellformed_universes env) cv in let jv = execute_array env cv in make_judgev cv jv (* Typing of several terms. *) -let infer_local_decl env id = function - | Entries.LocalDefEntry c -> - let t = execute env c in - RelDecl.LocalDef (Name id, c, t) - | Entries.LocalAssumEntry c -> - let t = execute env c in - RelDecl.LocalAssum (Name id, check_assumption env c t) - -let infer_local_decls env decls = - let rec inferec env = function - | (id, d) :: l -> - let (env, l) = inferec env l in - let d = infer_local_decl env id d in - (push_rel d env, Context.Rel.add d l) - | [] -> (env, Context.Rel.empty) - in - inferec env decls +let check_context env rels = + let open Context.Rel.Declaration in + Context.Rel.fold_outside (fun d env -> + match d with + | LocalAssum (_,ty) -> + let _ = infer_type env ty in + push_rel d env + | LocalDef (_,bd,ty) -> + let j1 = infer env bd in + let _ = infer_type env ty in + conv_leq false env j1.uj_type ty; + push_rel d env) + rels ~init:env let judge_of_prop = make_judge mkProp type1 let judge_of_set = make_judge mkSet type1 let judge_of_type u = make_judge (mkType u) (type_of_type u) -let judge_of_prop_contents = function - | Null -> judge_of_prop - | Pos -> judge_of_set - let judge_of_relative env k = make_judge (mkRel k) (type_of_relative env k) let judge_of_variable env x = make_judge (mkVar x) (type_of_variable env x) @@ -509,7 +571,7 @@ let judge_of_product env x varj outj = make_judge (mkProd (x, varj.utj_val, outj.utj_val)) (mkSort (sort_of_product env varj.utj_type outj.utj_type)) -let judge_of_letin env name defj typj j = +let judge_of_letin _env name defj typj j = make_judge (mkLetIn (name, defj.uj_val, typj.utj_val, j.uj_val)) (subst1 defj.uj_val j.uj_type) @@ -528,13 +590,3 @@ let judge_of_case env ci pj cj lfj = let lf, lft = dest_judgev lfj in make_judge (mkCase (ci, (*nf_betaiota*) pj.uj_val, cj.uj_val, lft)) (type_of_case env ci pj.uj_val pj.uj_type cj.uj_val cj.uj_type lf lft) - -let type_of_projection_constant env (p,u) = - let cst = Projection.constant p in - let cb = lookup_constant cst env in - match cb.const_proj with - | Some pb -> - if Declareops.constant_is_polymorphic cb then - Vars.subst_instance_constr u pb.proj_type - else pb.proj_type - | None -> raise (Invalid_argument "type_of_projection: not a projection") diff --git a/kernel/typeops.mli b/kernel/typeops.mli index bff40b017f..4193324136 100644 --- a/kernel/typeops.mli +++ b/kernel/typeops.mli @@ -12,7 +12,6 @@ open Names open Constr open Univ open Environ -open Entries (** {6 Typing functions (not yet tagged as safe) } @@ -27,8 +26,8 @@ val infer : env -> constr -> unsafe_judgment val infer_v : env -> constr array -> unsafe_judgment array val infer_type : env -> types -> unsafe_type_judgment -val infer_local_decls : - env -> (Id.t * local_entry) list -> (env * Context.Rel.t) +val check_context : + env -> Constr.rel_context -> env (** {6 Basic operations of the typing machine. } *) @@ -43,7 +42,6 @@ val type1 : types val type_of_sort : Sorts.t -> types val judge_of_prop : unsafe_judgment val judge_of_set : unsafe_judgment -val judge_of_prop_contents : Sorts.contents -> unsafe_judgment val judge_of_type : Universe.t -> unsafe_judgment (** {6 Type of a bound variable. } *) @@ -55,12 +53,11 @@ val type_of_variable : env -> variable -> types val judge_of_variable : env -> variable -> unsafe_judgment (** {6 type of a constant } *) - +val type_of_constant_in : env -> pconstant -> types val judge_of_constant : env -> pconstant -> unsafe_judgment (** {6 type of an applied projection } *) - -val judge_of_projection : env -> Names.projection -> unsafe_judgment -> unsafe_judgment +val judge_of_projection : env -> Projection.t -> unsafe_judgment -> unsafe_judgment (** {6 Type of application. } *) val judge_of_apply : @@ -90,9 +87,7 @@ val judge_of_cast : unsafe_judgment (** {6 Inductive types. } *) - val judge_of_inductive : env -> inductive puniverses -> unsafe_judgment - val judge_of_constructor : env -> constructor puniverses -> unsafe_judgment (** {6 Type of Cases. } *) @@ -100,9 +95,26 @@ val judge_of_case : env -> case_info -> unsafe_judgment -> unsafe_judgment -> unsafe_judgment array -> unsafe_judgment -val type_of_projection_constant : env -> Names.projection puniverses -> types +(** {6 Type of global references. } *) -val type_of_constant_in : env -> pconstant -> types +val type_of_global_in_context : env -> GlobRef.t -> types * Univ.AUContext.t +(** Returns the type of the global reference, by creating a fresh + instance of polymorphic references and computing their + instantiated universe context. The type should not be used + without pushing it's universe context in the environmnent of + usage. For non-universe-polymorphic constants, it does not + matter. *) + +(** {6 Building a term from a global reference *) + +(** Map a global reference to a term in its local universe + context. The term should not be used without pushing it's universe + context in the environmnent of usage. For non-universe-polymorphic + constants, it does not matter. *) +val constr_of_global_in_context : env -> GlobRef.t -> types * Univ.AUContext.t + +(** {6 Miscellaneous. } *) (** Check that hyps are included in env and fails with error otherwise *) -val check_hyps_inclusion : env -> ('a -> constr) -> 'a -> Context.Named.t -> unit +val check_hyps_inclusion : env -> ?evars:((existential->constr option) * UGraph.t) -> + ('a -> constr) -> 'a -> Constr.named_context -> unit diff --git a/kernel/uGraph.ml b/kernel/uGraph.ml index 5d1644614d..afdc8f1511 100644 --- a/kernel/uGraph.ml +++ b/kernel/uGraph.ml @@ -21,7 +21,7 @@ open Univ (* Revisions by Bruno Barras, Hugo Herbelin, Pierre Letouzey, Matthieu Sozeau, Pierre-Marie Pédrot, Jacques-Henri Jourdan *) -let error_inconsistency o u v (p:explanation option) = +let error_inconsistency o u v p = raise (UniverseInconsistency (o,Universe.make u,Universe.make v,p)) (* Universes are stratified by a partial ordering $\le$. @@ -194,7 +194,7 @@ let check_universes_invariants g = UMap.iter (fun l u -> match u with | Canonical u -> - UMap.iter (fun v strict -> + UMap.iter (fun v _strict -> incr n_edges; let v = repr g v in assert (topo_compare u v = -1); @@ -435,7 +435,7 @@ let reorder g u v = | n0::q0 -> (* Computing new root. *) let root, rank_rest = - List.fold_left (fun ((best, rank_rest) as acc) n -> + List.fold_left (fun ((best, _rank_rest) as acc) n -> if n.rank >= best.rank then n, best.rank else acc) (n0, min_int) q0 in @@ -503,7 +503,7 @@ let insert_edge strict ucan vcan g = let () = cleanup_universes g in raise e -let add_universe vlev strict g = +let add_universe_gen vlev g = try let _arcv = UMap.find vlev g.entries in raise AlreadyDeclared @@ -520,8 +520,19 @@ let add_universe vlev strict g = } in let entries = UMap.add vlev (Canonical v) g.entries in - let g = { entries; index = g.index - 1; n_nodes = g.n_nodes + 1; n_edges = g.n_edges } in - insert_edge strict (get_set_arc g) v g + { entries; index = g.index - 1; n_nodes = g.n_nodes + 1; n_edges = g.n_edges }, v + +let add_universe vlev strict g = + let g, v = add_universe_gen vlev g in + insert_edge strict (get_set_arc g) v g + +let add_universe_unconstrained vlev g = + fst (add_universe_gen vlev g) + +exception UndeclaredLevel of Univ.Level.t +let check_declared_universes g us = + let check l = if not (UMap.mem l g.entries) then raise (UndeclaredLevel l) in + Univ.LSet.iter check us exception Found_explanation of explanation @@ -557,8 +568,7 @@ let get_explanation strict u v g = else match traverse strict u with Some exp -> exp | None -> assert false let get_explanation strict u v g = - if !Flags.univ_print then Some (get_explanation strict u v g) - else None + Some (lazy (get_explanation strict u v g)) (* To compare two nodes, we simply do a forward search. We implement two improvements: @@ -697,6 +707,9 @@ let enforce_univ_lt u v g = error_inconsistency Lt u v (get_explanation false v u g) let empty_universes = + { entries = UMap.empty; index = 0; n_nodes = 0; n_edges = 0 } + +let initial_universes = let set_arc = Canonical { univ = Level.set; ltle = LMap.empty; @@ -719,9 +732,6 @@ let empty_universes = let empty = { entries; index = (-2); n_nodes = 2; n_edges = 0 } in enforce_univ_lt Level.prop Level.set empty -(* Prop = Set is forbidden here. *) -let initial_universes = empty_universes - let is_initial_universes g = UMap.equal (==) g.entries initial_universes.entries let enforce_constraint cst g = @@ -742,6 +752,45 @@ let check_constraint g (l,d,r) = let check_constraints c g = Constraint.for_all (check_constraint g) c +let leq_expr (u,m) (v,n) = + let d = match m - n with + | 1 -> Lt + | diff -> assert (diff <= 0); Le + in + (u,d,v) + +let enforce_leq_alg u v g = + let enforce_one (u,v) = function + | Inr _ as orig -> orig + | Inl (cstrs,g) as orig -> + if check_smaller_expr g u v then orig + else + (let c = leq_expr u v in + match enforce_constraint c g with + | g -> Inl (Constraint.add c cstrs,g) + | exception (UniverseInconsistency _ as e) -> Inr e) + in + (* max(us) <= max(vs) <-> forall u in us, exists v in vs, u <= v *) + let c = Universe.map (fun u -> Universe.map (fun v -> (u,v)) v) u in + let c = List.cartesians enforce_one (Inl (Constraint.empty,g)) c in + (* We pick a best constraint: smallest number of constraints, not an error if possible. *) + let order x y = match x, y with + | Inr _, Inr _ -> 0 + | Inl _, Inr _ -> -1 + | Inr _, Inl _ -> 1 + | Inl (c,_), Inl (c',_) -> + Int.compare (Constraint.cardinal c) (Constraint.cardinal c') + in + match List.min order c with + | Inl x -> x + | Inr e -> raise e + +(* sanity check wrapper *) +let enforce_leq_alg u v g = + let _,g as cg = enforce_leq_alg u v g in + assert (check_leq g u v); + cg + (* Normalization *) (** [normalize_universes g] returns a graph where all edges point @@ -760,7 +809,7 @@ let normalize_universes g = in UMap.fold (fun _ u g -> match u with - | Equiv u -> g + | Equiv _u -> g | Canonical u -> let _, u, g = get_ltle g u in let _, _, g = get_gtge g u in @@ -768,18 +817,71 @@ let normalize_universes g = g.entries g let constraints_of_universes g = + let module UF = Unionfind.Make (LSet) (LMap) in + let uf = UF.create () in let constraints_of u v acc = match v with - | Canonical {univ=u; ltle} -> + | Canonical {univ=u; ltle; _} -> UMap.fold (fun v strict acc-> let typ = if strict then Lt else Le in Constraint.add (u,typ,v) acc) ltle acc - | Equiv v -> Constraint.add (u,Eq,v) acc + | Equiv v -> UF.union u v uf; acc in - UMap.fold constraints_of g.entries Constraint.empty - -let constraints_of_universes g = - constraints_of_universes (normalize_universes g) + let csts = UMap.fold constraints_of g.entries Constraint.empty in + csts, UF.partition uf + +(* domain g.entries = kept + removed *) +let constraints_for ~kept g = + (* rmap: partial map from canonical universes to kept universes *) + let rmap, csts = LSet.fold (fun u (rmap,csts) -> + let arcu = repr g u in + if LSet.mem arcu.univ kept then + LMap.add arcu.univ arcu.univ rmap, enforce_eq_level u arcu.univ csts + else + match LMap.find arcu.univ rmap with + | v -> rmap, enforce_eq_level u v csts + | exception Not_found -> LMap.add arcu.univ u rmap, csts) + kept (LMap.empty,Constraint.empty) + in + let rec add_from u csts todo = match todo with + | [] -> csts + | (v,strict)::todo -> + let v = repr g v in + (match LMap.find v.univ rmap with + | v -> + let d = if strict then Lt else Le in + let csts = Constraint.add (u,d,v) csts in + add_from u csts todo + | exception Not_found -> + (* v is not equal to any kept universe *) + let todo = LMap.fold (fun v' strict' todo -> + (v',strict || strict') :: todo) + v.ltle todo + in + add_from u csts todo) + in + LSet.fold (fun u csts -> + let arc = repr g u in + LMap.fold (fun v strict csts -> add_from u csts [v,strict]) + arc.ltle csts) + kept csts + +let domain g = LMap.domain g.entries + +let choose p g u = + let exception Found of Level.t in + let ru = (repr g u).univ in + if p ru then Some ru + else + try LMap.iter (fun v -> function + | Canonical _ -> () (* we already tried [p ru] *) + | Equiv v' -> + let rv = (repr g v').univ in + if rv == ru && p v then raise (Found v) + (* NB: we could also try [p v'] but it will come up in the + rest of the iteration regardless. *) + ) g.entries; None + with Found v -> Some v (** [sort_universes g] builds a totally ordered universe graph. The output graph should imply the input graph (and the implication @@ -857,34 +959,36 @@ let check_eq_instances g t1 t2 = (** Pretty-printing *) +let pr_umap sep pr map = + let cmp (u,_) (v,_) = Level.compare u v in + Pp.prlist_with_sep sep pr (List.sort cmp (UMap.bindings map)) + let pr_arc prl = function - | _, Canonical {univ=u; ltle} -> + | _, Canonical {univ=u; ltle; _} -> if UMap.is_empty ltle then mt () else prl u ++ str " " ++ v 0 - (pr_sequence (fun (v, strict) -> + (pr_umap Pp.spc (fun (v, strict) -> (if strict then str "< " else str "<= ") ++ prl v) - (UMap.bindings ltle)) ++ + ltle) ++ fnl () | u, Equiv v -> prl u ++ str " = " ++ prl v ++ fnl () let pr_universes prl g = - let graph = UMap.fold (fun u a l -> (u,a)::l) g.entries [] in - prlist (pr_arc prl) graph + pr_umap mt (pr_arc prl) g.entries (* Dumping constraints to a file *) let dump_universes output g = let dump_arc u = function - | Canonical {univ=u; ltle} -> - let u_str = Level.to_string u in + | Canonical {univ=u; ltle; _} -> UMap.iter (fun v strict -> let typ = if strict then Lt else Le in - output typ u_str (Level.to_string v)) ltle; + output typ u v) ltle; | Equiv v -> - output Eq (Level.to_string u) (Level.to_string v) + output Eq u v in UMap.iter dump_arc g.entries diff --git a/kernel/uGraph.mli b/kernel/uGraph.mli index d4fba63fb3..4dbfac5c73 100644 --- a/kernel/uGraph.mli +++ b/kernel/uGraph.mli @@ -12,8 +12,6 @@ open Univ (** {6 Graphs of universes. } *) type t -type universes = t -[@@ocaml.deprecated "Use UGraph.t"] type 'a check_function = t -> 'a -> 'a -> bool @@ -42,6 +40,9 @@ val merge_constraints : Constraint.t -> t -> t val check_constraint : t -> univ_constraint -> bool val check_constraints : Constraint.t -> t -> bool +(** Picks an arbitrary set of constraints sufficient to ensure [u <= v]. *) +val enforce_leq_alg : Universe.t -> Universe.t -> t -> Constraint.t * t + (** Adds a universe to the graph, ensuring it is >= or > Set. @raise AlreadyDeclared if the level is already declared in the graph. *) @@ -49,17 +50,41 @@ exception AlreadyDeclared val add_universe : Level.t -> bool -> t -> t +(** Add a universe without (Prop,Set) <= u *) +val add_universe_unconstrained : Level.t -> t -> t + +(** Check that the universe levels are declared. Otherwise + @raise UndeclaredLevel l for the first undeclared level found. *) +exception UndeclaredLevel of Univ.Level.t + +val check_declared_universes : t -> Univ.LSet.t -> unit + (** {6 Pretty-printing of universes. } *) val pr_universes : (Level.t -> Pp.t) -> t -> Pp.t (** The empty graph of universes *) val empty_universes : t -[@@ocaml.deprecated "Use UGraph.initial_universes"] val sort_universes : t -> t -val constraints_of_universes : t -> Constraint.t +(** [constraints_of_universes g] returns [csts] and [partition] where + [csts] are the non-Eq constraints and [partition] is the partition + of the universes into equivalence classes. *) +val constraints_of_universes : t -> Constraint.t * LSet.t list + +val choose : (Level.t -> bool) -> t -> Level.t -> Level.t option +(** [choose p g u] picks a universe verifying [p] and equal + to [u] in [g]. *) + +(** [constraints_for ~kept g] returns the constraints about the + universes [kept] in [g] up to transitivity. + + eg if [g] is [a <= b <= c] then [constraints_for ~kept:{a, c} g] is [a <= c]. *) +val constraints_for : kept:LSet.t -> t -> Constraint.t + +val domain : t -> LSet.t +(** Known universes *) val check_subtype : AUContext.t check_function (** [check_subtype univ ctx1 ctx2] checks whether [ctx2] is an instance of @@ -68,7 +93,7 @@ val check_subtype : AUContext.t check_function (** {6 Dumping to a file } *) val dump_universes : - (constraint_type -> string -> string -> unit) -> t -> unit + (constraint_type -> Level.t -> Level.t -> unit) -> t -> unit (** {6 Debugging} *) val check_universes_invariants : t -> unit diff --git a/kernel/univ.ml b/kernel/univ.ml index be21381b71..2b3b4f9486 100644 --- a/kernel/univ.ml +++ b/kernel/univ.ml @@ -86,7 +86,7 @@ struct | Level (n,d) as x -> let d' = Names.DirPath.hcons d in if d' == d then x else Level (n,d') - | Var n as x -> x + | Var _n as x -> x open Hashset.Combine @@ -160,13 +160,6 @@ module Level = struct let compare u v = if u == v then 0 - else - let c = Int.compare (hash u) (hash v) in - if c == 0 then RawLevel.compare (data u) (data v) - else c - - let natural_compare u v = - if u == v then 0 else RawLevel.compare (data u) (data v) let to_string x = @@ -206,13 +199,13 @@ module LMap = struct include M let union l r = - merge (fun k l r -> + merge (fun _k l r -> match l, r with | Some _, _ -> l | _, _ -> r) l r let subst_union l r = - merge (fun k l r -> + merge (fun _k l r -> match l, r with | Some (Some _), _ -> l | Some None, None -> l @@ -365,14 +358,14 @@ struct else f v ++ str"+" ++ int n let is_level = function - | (v, 0) -> true + | (_v, 0) -> true | _ -> false let level = function | (v,0) -> Some v | _ -> None - let get_level (v,n) = v + let get_level (v,_n) = v let map f (v, n as x) = let v' = f v in @@ -456,10 +449,10 @@ struct let super l = if is_small l then type1 else - List.smartmap (fun x -> Expr.successor x) l + List.Smart.map (fun x -> Expr.successor x) l let addn n l = - List.smartmap (fun x -> Expr.addn n x) l + List.Smart.map (fun x -> Expr.addn n x) l let rec merge_univs l1 l2 = match l1, l2 with @@ -490,39 +483,6 @@ struct in List.fold_right (fun a acc -> aux a acc) u [] - (** [max_var_pred p u] returns the maximum variable level in [u] satisfying - [p], -1 if not found *) - let rec max_var_pred p u = - let open Level in - match u with - | [] -> -1 - | (v, _) :: u -> - match var_index v with - | Some i when p i -> max i (max_var_pred p u) - | _ -> max_var_pred p u - - let rec remap_var u i j = - let open Level in - match u with - | [] -> [] - | (v, incr) :: u when var_index v = Some i -> - (Level.var j, incr) :: remap_var u i j - | _ :: u -> remap_var u i j - - let rec compact u max_var i = - if i >= max_var then (u,[]) else - let j = max_var_pred (fun j -> j < i) u in - if Int.equal i (j+1) then - let (u,s) = compact u max_var (i+1) in - (u, i :: s) - else - let (u,s) = compact (remap_var u i j) max_var (i+1) in - (u, j+1 :: s) - - let compact u = - let max_var = max_var_pred (fun _ -> true) u in - compact u max_var 0 - (* Returns the formal universe that is greater than the universes u and v. Used to type the products. *) let sup x y = merge_univs x y @@ -533,7 +493,7 @@ struct let for_all = List.for_all - let smartmap = List.smartmap + let smart_map = List.Smart.map let map = List.map end @@ -574,11 +534,11 @@ let constraint_type_ord c1 c2 = match c1, c2 with (* Universe inconsistency: error raised when trying to enforce a relation that would create a cycle in the graph of universes. *) -type univ_inconsistency = constraint_type * universe * universe * explanation option +type univ_inconsistency = constraint_type * universe * universe * explanation Lazy.t option exception UniverseInconsistency of univ_inconsistency -let error_inconsistency o u v (p:explanation option) = +let error_inconsistency o u v p = raise (UniverseInconsistency (o,make u,make v,p)) (* Constraints and sets of constraints. *) @@ -610,15 +570,12 @@ struct include S let pr prl c = - fold (fun (u1,op,u2) pp_std -> - pp_std ++ prl u1 ++ pr_constraint_type op ++ - prl u2 ++ fnl () ) c (str "") + v 0 (prlist_with_sep spc (fun (u1,op,u2) -> + hov 0 (prl u1 ++ pr_constraint_type op ++ prl u2)) + (elements c)) - let universes_of c = - fold (fun (u1, op, u2) unvs -> LSet.add u2 (LSet.add u1 unvs)) c LSet.empty end -let universes_of_constraints = Constraint.universes_of let empty_constraint = Constraint.empty let union_constraint = Constraint.union let eq_constraint = Constraint.equal @@ -699,7 +656,7 @@ let constraint_add_leq v u c = else (* j >= 1 *) (* m = n + k, u <= v+k *) if Level.equal x y then c (* u <= u+k, trivial *) else if Level.is_small x then c (* Prop,Set <= u+S k, trivial *) - else anomaly (Pp.str"Unable to handle arbitrary u <= v+k constraints.") + else Constraint.add (x,Le,y) c (* u <= v implies u <= v+k *) let check_univ_leq_one u v = Universe.exists (Expr.leq u) v @@ -707,12 +664,7 @@ let check_univ_leq u v = Universe.for_all (fun u -> check_univ_leq_one u v) u let enforce_leq u v c = - let rec aux acc v = - match v with - | v :: l -> - aux (List.fold_right (fun u -> constraint_add_leq u v) u c) l - | [] -> acc - in aux c v + List.fold_left (fun c v -> (List.fold_left (fun c u -> constraint_add_leq u v c) c u)) c v let enforce_leq u v c = if check_univ_leq u v then c @@ -886,7 +838,7 @@ struct let length a = Array.length a let subst_fn fn t = - let t' = CArray.smartmap fn t in + let t' = CArray.Smart.map fn t in if t' == t then t else of_array t' let levels x = LSet.of_array x @@ -923,11 +875,11 @@ let subst_instance_level s l = | _ -> l let subst_instance_instance s i = - Array.smartmap (fun l -> subst_instance_level s l) i + Array.Smart.map (fun l -> subst_instance_level s l) i let subst_instance_universe s u = let f x = Universe.Expr.map (fun u -> subst_instance_level s u) x in - let u' = Universe.smartmap f u in + let u' = Universe.smart_map f u in if u == u' then u else Universe.sort u' @@ -942,10 +894,8 @@ let subst_instance_constraints s csts = (fun c csts -> Constraint.add (subst_instance_constraint s c) csts) csts Constraint.empty -type universe_instance = Instance.t - type 'a puniverses = 'a * Instance.t -let out_punivs (x, y) = x +let out_punivs (x, _y) = x let in_punivs x = (x, Instance.empty) let eq_puniverses f (x, u) (y, u') = f x y && Instance.equal u u' @@ -970,8 +920,8 @@ struct let hcons (univs, cst) = (Instance.hcons univs, hcons_constraints cst) - let instance (univs, cst) = univs - let constraints (univs, cst) = cst + let instance (univs, _cst) = univs + let constraints (_univs, cst) = cst let union (univs, cst) (univs', cst') = Instance.append univs univs', Constraint.union cst cst' @@ -987,18 +937,32 @@ let hcons_universe_context = UContext.hcons module AUContext = struct - include UContext + type t = Names.Name.t array constrained let repr (inst, cst) = - (Array.mapi (fun i l -> Level.var i) inst, cst) + (Array.init (Array.length inst) (fun i -> Level.var i), cst) + + let pr f ?variance ctx = UContext.pr f ?variance (repr ctx) let instantiate inst (u, cst) = assert (Array.length u = Array.length inst); subst_instance_constraints inst cst + let names (nas, _) = nas + + let hcons (univs, cst) = + (Array.map Names.Name.hcons univs, hcons_constraints cst) + + let empty = ([||], Constraint.empty) + + let is_empty (nas, cst) = Array.is_empty nas && Constraint.is_empty cst + + let union (nas, cst) (nas', cst') = (Array.append nas nas', Constraint.union cst cst') + + let size (nas, _) = Array.length nas + end -type abstract_universe_context = AUContext.t let hcons_abstract_universe_context = AUContext.hcons (** Universe info for cumulative inductive types: A context of @@ -1026,8 +990,8 @@ struct let hcons (univs, variance) = (* should variance be hconsed? *) (UContext.hcons univs, variance) - let univ_context (univs, subtypcst) = univs - let variance (univs, variance) = variance + let univ_context (univs, _subtypcst) = univs + let variance (_univs, variance) = variance (** This function takes a universe context representing constraints of an inductive and produces a CumulativityInfo.t with the @@ -1040,12 +1004,25 @@ struct end -type cumulativity_info = CumulativityInfo.t let hcons_cumulativity_info = CumulativityInfo.hcons -module ACumulativityInfo = CumulativityInfo +module ACumulativityInfo = +struct + type t = AUContext.t * Variance.t array + + let pr prl (univs, variance) = + AUContext.pr prl ~variance univs + + let hcons (univs, variance) = (* should variance be hconsed? *) + (AUContext.hcons univs, variance) + + let univ_context (univs, _subtypcst) = univs + let variance (_univs, variance) = variance + + let leq_constraints (_,variance) u u' csts = Variance.leq_constraints variance u u' csts + let eq_constraints (_,variance) u u' csts = Variance.eq_constraints variance u u' csts +end -type abstract_cumulativity_info = ACumulativityInfo.t let hcons_abstract_cumulativity_info = ACumulativityInfo.hcons (** A set of universes with universe constraints. @@ -1092,7 +1069,7 @@ struct (univs, cst) let sort_levels a = - Array.sort Level.natural_compare a; a + Array.sort Level.compare a; a let to_context (ctx, cst) = (Instance.of_array (sort_levels (Array.of_list (LSet.elements ctx))), cst) @@ -1104,8 +1081,8 @@ struct if is_empty ctx then mt() else h 0 (LSet.pr prl univs ++ str " |= ") ++ h 0 (v 0 (Constraint.pr prl cst)) - let constraints (univs, cst) = cst - let levels (univs, cst) = univs + let constraints (_univs, cst) = cst + let levels (univs, _cst) = univs let size (univs,_) = LSet.cardinal univs end @@ -1116,6 +1093,9 @@ type universe_context_set = ContextSet.t type 'a in_universe_context = 'a * universe_context type 'a in_universe_context_set = 'a * universe_context_set +let extend_in_context_set (a, ctx) ctx' = + (a, ContextSet.union ctx ctx') + (** Substitutions. *) let empty_subst = LMap.empty @@ -1133,7 +1113,7 @@ let subst_univs_level_level subst l = let subst_univs_level_universe subst u = let f x = Universe.Expr.map (fun u -> subst_univs_level_level subst u) x in - let u' = Universe.smartmap f u in + let u' = Universe.smart_map f u in if u == u' then u else Universe.sort u' @@ -1193,21 +1173,36 @@ let make_inverse_instance_subst i = LMap.empty arr let make_abstract_instance (ctx, _) = - Array.mapi (fun i l -> Level.var i) ctx + Array.init (Array.length ctx) (fun i -> Level.var i) -let abstract_universes ctx = +let abstract_universes nas ctx = let instance = UContext.instance ctx in + let () = assert (Int.equal (Array.length nas) (Instance.length instance)) in let subst = make_instance_subst instance in let cstrs = subst_univs_level_constraints subst (UContext.constraints ctx) in - let ctx = UContext.make (instance, cstrs) in + let ctx = (nas, cstrs) in instance, ctx -let abstract_cumulativity_info (univs, variance) = - let subst, univs = abstract_universes univs in +let abstract_cumulativity_info nas (univs, variance) = + let subst, univs = abstract_universes nas univs in subst, (univs, variance) +let rec compact_univ s vars i u = + match u with + | [] -> (s, List.rev vars) + | (lvl, _) :: u -> + match Level.var_index lvl with + | Some k when not (LMap.mem lvl s) -> + let lvl' = Level.var i in + compact_univ (LMap.add lvl lvl' s) (k :: vars) (i+1) u + | _ -> compact_univ s vars i u + +let compact_univ u = + let (s, s') = compact_univ LMap.empty [] 0 u in + (subst_univs_level_universe s u, s') + (** Pretty-printing *) let pr_constraints prl = Constraint.pr prl @@ -1254,17 +1249,16 @@ let explain_universe_inconsistency prl (o,u,v,p) = | Eq -> str"=" | Lt -> str"<" | Le -> str"<=" in let reason = match p with - | None | Some [] -> mt() + | None -> mt() | Some p -> - str " because" ++ spc() ++ pr_uni v ++ + let p = Lazy.force p in + if p = [] then mt () + else + str " because" ++ spc() ++ pr_uni v ++ prlist (fun (r,v) -> spc() ++ pr_rel r ++ str" " ++ pr_uni v) - p ++ + p ++ (if Universe.equal (snd (List.last p)) u then mt() else - (spc() ++ str "= " ++ pr_uni u)) + (spc() ++ str "= " ++ pr_uni u)) in str "Cannot enforce" ++ spc() ++ pr_uni u ++ spc() ++ pr_rel o ++ spc() ++ pr_uni v ++ reason - -let compare_levels = Level.compare -let eq_levels = Level.equal -let equal_universes = Universe.equal diff --git a/kernel/univ.mli b/kernel/univ.mli index 629d83fb86..de7b334ae4 100644 --- a/kernel/univ.mli +++ b/kernel/univ.mli @@ -51,9 +51,6 @@ sig val name : t -> (Names.DirPath.t * int) option end -type universe_level = Level.t -[@@ocaml.deprecated "Use Level.t"] - (** Sets of universe levels *) module LSet : sig @@ -63,9 +60,6 @@ sig (** Pretty-printing *) end -type universe_set = LSet.t -[@@ocaml.deprecated "Use LSet.t"] - module Universe : sig type t @@ -128,17 +122,8 @@ sig val map : (Level.t * int -> 'a) -> t -> 'a list - (** [compact u] remaps local variables in [u] such that their indices become - consecutive. It returns the new universe and the mapping. - Example: compact [(Var 0, i); (Prop, 0); (Var 2; j))] = - [(Var 0,i); (Prop, 0); (Var 1; j)], [0; 2] - *) - val compact : t -> t * int list end -type universe = Universe.t -[@@ocaml.deprecated "Use Universe.t"] - (** Alias name. *) val pr_uni : Universe.t -> Pp.t @@ -177,9 +162,6 @@ module Constraint : sig include Set.S with type elt = univ_constraint end -type constraints = Constraint.t -[@@ocaml.deprecated "Use Constraint.t"] - val empty_constraint : Constraint.t val union_constraint : Constraint.t -> Constraint.t -> Constraint.t val eq_constraint : Constraint.t -> Constraint.t -> bool @@ -211,7 +193,7 @@ val enforce_leq_level : Level.t constraint_function Constraint.t... *) type explanation = (constraint_type * Universe.t) list -type univ_inconsistency = constraint_type * Universe.t * Universe.t * explanation option +type univ_inconsistency = constraint_type * Universe.t * Universe.t * explanation Lazy.t option exception UniverseInconsistency of univ_inconsistency @@ -307,9 +289,6 @@ sig end -type universe_instance = Instance.t -[@@ocaml.deprecated "Use Instance.t"] - val enforce_eq_instances : Instance.t constraint_function val enforce_eq_variance_instances : Variance.t array -> Instance.t constraint_function @@ -346,9 +325,6 @@ sig end -type universe_context = UContext.t -[@@ocaml.deprecated "Use UContext.t"] - module AUContext : sig type t @@ -360,9 +336,6 @@ sig val empty : t val is_empty : t -> bool - (** Don't use. *) - val instance : t -> Instance.t - val size : t -> int (** Keeps the order of the instances *) @@ -371,10 +344,10 @@ sig val instantiate : Instance.t -> t -> Constraint.t (** Generate the set of instantiated Constraint.t **) -end + val names : t -> Names.Name.t array + (** Return the names of the bound universe variables *) -type abstract_universe_context = AUContext.t -[@@ocaml.deprecated "Use AUContext.t"] +end (** Universe info for cumulative inductive types: A context of universe levels with universe constraints, representing local @@ -404,9 +377,6 @@ sig val eq_constraints : t -> Instance.t constraint_function end -type cumulativity_info = CumulativityInfo.t -[@@ocaml.deprecated "Use CumulativityInfo.t"] - module ACumulativityInfo : sig type t @@ -417,11 +387,13 @@ sig val eq_constraints : t -> Instance.t constraint_function end -type abstract_cumulativity_info = ACumulativityInfo.t -[@@ocaml.deprecated "Use ACumulativityInfo.t"] - (** Universe contexts (as sets) *) +(** A set of universes with universe Constraint.t. + We linearize the set to a list after typechecking. + Beware, representation could change. +*) + module ContextSet : sig type t = LSet.t constrained @@ -457,17 +429,13 @@ sig val size : t -> int end -(** A set of universes with universe Constraint.t. - We linearize the set to a list after typechecking. - Beware, representation could change. -*) -type universe_context_set = ContextSet.t -[@@ocaml.deprecated "Use ContextSet.t"] - (** A value in a universe context (resp. context set). *) type 'a in_universe_context = 'a * UContext.t type 'a in_universe_context_set = 'a * ContextSet.t +val extend_in_context_set : 'a in_universe_context_set -> ContextSet.t -> + 'a in_universe_context_set + val empty_level_subst : universe_level_subst val is_empty_level_subst : universe_level_subst -> bool @@ -498,12 +466,19 @@ val make_instance_subst : Instance.t -> universe_level_subst val make_inverse_instance_subst : Instance.t -> universe_level_subst -val abstract_universes : UContext.t -> Instance.t * AUContext.t -val abstract_cumulativity_info : CumulativityInfo.t -> Instance.t * ACumulativityInfo.t +val abstract_universes : Names.Name.t array -> UContext.t -> Instance.t * AUContext.t +val abstract_cumulativity_info : Names.Name.t array -> CumulativityInfo.t -> Instance.t * ACumulativityInfo.t (** TODO: move universe abstraction out of the kernel *) val make_abstract_instance : AUContext.t -> Instance.t +(** [compact_univ u] remaps local variables in [u] such that their indices become + consecutive. It returns the new universe and the mapping. + Example: compact_univ [(Var 0, i); (Prop, 0); (Var 2; j))] = + [(Var 0,i); (Prop, 0); (Var 1; j)], [0; 2] +*) +val compact_univ : Universe.t -> Universe.t * int list + (** {6 Pretty-printing of universes. } *) val pr_constraint_type : constraint_type -> Pp.t @@ -531,20 +506,3 @@ val hcons_abstract_universe_context : AUContext.t -> AUContext.t val hcons_universe_context_set : ContextSet.t -> ContextSet.t val hcons_cumulativity_info : CumulativityInfo.t -> CumulativityInfo.t val hcons_abstract_cumulativity_info : ACumulativityInfo.t -> ACumulativityInfo.t - -(******) - -(* deprecated: use qualified names instead *) -val compare_levels : Level.t -> Level.t -> int -[@@ocaml.deprecated "Use Level.compare"] - -val eq_levels : Level.t -> Level.t -> bool -[@@ocaml.deprecated "Use Level.equal"] - -(** deprecated: Equality of formal universe expressions. *) -val equal_universes : Universe.t -> Universe.t -> bool -[@@ocaml.deprecated "Use Universe.equal"] - -(** Universes of Constraint.t *) -val universes_of_constraints : Constraint.t -> LSet.t -[@@ocaml.deprecated "Use Constraint.universes_of"] diff --git a/kernel/vars.ml b/kernel/vars.ml index 0f588a6302..f9c576ca4a 100644 --- a/kernel/vars.ml +++ b/kernel/vars.ml @@ -9,7 +9,6 @@ (************************************************************************) open Names -open Esubst module RelDecl = Context.Rel.Declaration @@ -66,7 +65,7 @@ let isMeta c = match Constr.kind c with let noccur_with_meta n m term = let rec occur_rec n c = match Constr.kind c with | Constr.Rel p -> if n<=p && p<n+m then raise LocalOccur - | Constr.App(f,cl) -> + | Constr.App(f,_cl) -> (match Constr.kind f with | Constr.Cast (c,_,_) when isMeta c -> () | Constr.Meta _ -> () @@ -80,19 +79,9 @@ let noccur_with_meta n m term = (* Lifting *) (*********************) -(* The generic lifting function *) -let rec exliftn el c = match Constr.kind c with - | Constr.Rel i -> Constr.mkRel(reloc_rel i el) - | _ -> Constr.map_with_binders el_lift exliftn el c - -(* Lifting the binding depth across k bindings *) - -let liftn n k c = - match el_liftn (pred k) (el_shft n el_id) with - | ELID -> c - | el -> exliftn el c - -let lift n = liftn n 1 +let exliftn = Constr.exliftn +let liftn = Constr.liftn +let lift = Constr.lift (*********************) (* Substituting *) @@ -188,7 +177,7 @@ let adjust_rel_to_rel_context sign n = let open RelDecl in match sign with | LocalAssum _ :: sign' -> let (n',p) = aux sign' in (n'+1,p) - | LocalDef (_,c,_)::sign' -> let (n',p) = aux sign' in (n'+1,if n'<n then p+1 else p) + | LocalDef (_,_c,_)::sign' -> let (n',p) = aux sign' in (n'+1,if n'<n then p+1 else p) | [] -> (0,n) in snd (aux sign) @@ -312,3 +301,17 @@ let subst_instance_constr subst c = let subst_instance_context s ctx = if Univ.Instance.is_empty s then ctx else Context.Rel.map (fun x -> subst_instance_constr s x) ctx + +let universes_of_constr c = + let open Univ in + let rec aux s c = + match kind c with + | Const (_c, u) -> + LSet.fold LSet.add (Instance.levels u) s + | Ind ((_mind,_), u) | Construct (((_mind,_),_), u) -> + LSet.fold LSet.add (Instance.levels u) s + | Sort u when not (Sorts.is_small u) -> + let u = Sorts.univ_of_sort u in + LSet.fold LSet.add (Universe.levels u) s + | _ -> Constr.fold aux s c + in aux LSet.empty c diff --git a/kernel/vars.mli b/kernel/vars.mli index a0c7ba4bd2..7c928e2694 100644 --- a/kernel/vars.mli +++ b/kernel/vars.mli @@ -70,10 +70,10 @@ type substl = constr list as if usable in [applist] while the substitution is represented the other way round, i.e. ending with either [u₁] or [c₁], as if usable for [substl]. *) -val subst_of_rel_context_instance : Context.Rel.t -> constr list -> substl +val subst_of_rel_context_instance : Constr.rel_context -> constr list -> substl (** For compatibility: returns the substitution reversed *) -val adjust_subst_to_rel_context : Context.Rel.t -> constr list -> constr list +val adjust_subst_to_rel_context : Constr.rel_context -> constr list -> constr list (** Take an index in an instance of a context and returns its index wrt to the full context (e.g. 2 in [x:A;y:=b;z:C] is 3, i.e. a reference to z) *) @@ -97,13 +97,13 @@ val subst1 : constr -> constr -> constr accordingly indexes in [a₁],...,[an] and [c]. In terms of typing, if Γ ⊢ a{_n}..a₁ : Δ and Γ, Δ, Γ', Ω ⊢ with |Γ'|=[k], then Γ, Γ', [substnl_decl [a₁;...;an]] k Ω ⊢. *) -val substnl_decl : substl -> int -> Context.Rel.Declaration.t -> Context.Rel.Declaration.t +val substnl_decl : substl -> int -> Constr.rel_declaration -> Constr.rel_declaration (** [substl_decl σ Ω] is a short-hand for [substnl_decl σ 0 Ω] *) -val substl_decl : substl -> Context.Rel.Declaration.t -> Context.Rel.Declaration.t +val substl_decl : substl -> Constr.rel_declaration -> Constr.rel_declaration (** [subst1_decl a Ω] is a short-hand for [substnl_decl [a] 0 Ω] *) -val subst1_decl : constr -> Context.Rel.Declaration.t -> Context.Rel.Declaration.t +val subst1_decl : constr -> Constr.rel_declaration -> Constr.rel_declaration (** [replace_vars k [(id₁,c₁);...;(idn,cn)] t] substitutes [Var idj] by [cj] in [t]. *) @@ -134,8 +134,10 @@ open Univ (** Level substitutions for polymorphism. *) val subst_univs_level_constr : universe_level_subst -> constr -> constr -val subst_univs_level_context : Univ.universe_level_subst -> Context.Rel.t -> Context.Rel.t +val subst_univs_level_context : Univ.universe_level_subst -> Constr.rel_context -> Constr.rel_context (** Instance substitution for polymorphism. *) val subst_instance_constr : Instance.t -> constr -> constr -val subst_instance_context : Instance.t -> Context.Rel.t -> Context.Rel.t +val subst_instance_context : Instance.t -> Constr.rel_context -> Constr.rel_context + +val universes_of_constr : constr -> Univ.LSet.t diff --git a/kernel/vconv.ml b/kernel/vconv.ml index f11803b67c..246c90c09d 100644 --- a/kernel/vconv.ml +++ b/kernel/vconv.ml @@ -6,15 +6,12 @@ open Vm open Vmvalues open Csymtable -let val_of_constr env c = - val_of_constr (pre_env env) c - (* Test la structure des piles *) let compare_zipper z1 z2 = match z1, z2 with | Zapp args1, Zapp args2 -> Int.equal (nargs args1) (nargs args2) - | Zfix(f1,args1), Zfix(f2,args2) -> Int.equal (nargs args1) (nargs args2) + | Zfix(_f1,args1), Zfix(_f2,args2) -> Int.equal (nargs args1) (nargs args2) | Zswitch _, Zswitch _ | Zproj _, Zproj _ -> true | Zapp _ , _ | Zfix _, _ | Zswitch _, _ | Zproj _, _ -> false @@ -87,7 +84,7 @@ and conv_whd env pb k whd1 whd2 cu = and conv_atom env pb k a1 stk1 a2 stk2 cu = (* Pp.(msg_debug (str "conv_atom(" ++ pr_atom a1 ++ str ", " ++ pr_atom a2 ++ str ")")) ; *) match a1, a2 with - | Aind ((mi,i) as ind1) , Aind ind2 -> + | Aind ((mi,_i) as ind1) , Aind ind2 -> if eq_ind ind1 ind2 && compare_stack stk1 stk2 then if Environ.polymorphic_ind ind1 env then let mib = Environ.lookup_mind mi env in @@ -142,7 +139,7 @@ and conv_stack env k stk1 stk2 cu = conv_stack env k stk1 stk2 !rcu else raise NotConvertible | Zproj p1 :: stk1, Zproj p2 :: stk2 -> - if Constant.equal p1 p2 then conv_stack env k stk1 stk2 cu + if Projection.Repr.equal p1 p2 then conv_stack env k stk1 stk2 cu else raise NotConvertible | [], _ | Zapp _ :: _, _ | Zfix _ :: _, _ | Zswitch _ :: _, _ | Zproj _ :: _, _ -> raise NotConvertible @@ -185,15 +182,25 @@ and conv_arguments env ?from:(from=0) k args1 args2 cu = !rcu else raise NotConvertible +let warn_bytecode_compiler_failed = + let open Pp in + CWarnings.create ~name:"bytecode-compiler-failed" ~category:"bytecode-compiler" + (fun () -> strbrk "Bytecode compiler failed, " ++ + strbrk "falling back to standard conversion") + let vm_conv_gen cv_pb env univs t1 t2 = - try + if not (typing_flags env).Declarations.enable_VM then + Reduction.generic_conv cv_pb ~l2r:false (fun _ -> None) + TransparentState.full env univs t1 t2 + else + try let v1 = val_of_constr env t1 in let v2 = val_of_constr env t2 in fst (conv_val env cv_pb (nb_rel env) v1 v2 univs) with Not_found | Invalid_argument _ -> warn_bytecode_compiler_failed (); Reduction.generic_conv cv_pb ~l2r:false (fun _ -> None) - full_transparent_state env univs t1 t2 + TransparentState.full env univs t1 t2 let vm_conv cv_pb env t1 t2 = let univs = Environ.universes env in @@ -204,5 +211,3 @@ let vm_conv cv_pb env t1 t2 = if not b then let univs = (univs, checked_universes) in let _ = vm_conv_gen cv_pb env univs t1 t2 in () - -let _ = if Coq_config.bytecode_compiler then Reduction.set_vm_conv vm_conv diff --git a/kernel/vconv.mli b/kernel/vconv.mli index 620f6b5e8a..1a31848989 100644 --- a/kernel/vconv.mli +++ b/kernel/vconv.mli @@ -9,7 +9,6 @@ (************************************************************************) open Constr -open Environ open Reduction (********************************************************************** @@ -19,6 +18,3 @@ val vm_conv : conv_pb -> types kernel_conversion_function (** A conversion function parametrized by a universe comparator. Used outside of the kernel. *) val vm_conv_gen : conv_pb -> (types, 'a) generic_conversion_function - -(** Precompute a VM value from a constr *) -val val_of_constr : env -> constr -> Vmvalues.values diff --git a/kernel/vm.ml b/kernel/vm.ml index 14aeb732f9..eaf64ba4af 100644 --- a/kernel/vm.ml +++ b/kernel/vm.ml @@ -8,7 +8,6 @@ (* * (see LICENSE file for the text of the license) *) (************************************************************************) -open Cbytecodes open Vmvalues external set_drawinstr : unit -> unit = "coq_set_drawinstr" @@ -42,8 +41,11 @@ external push_vstack : vstack -> int -> unit = "coq_push_vstack" (* interpreteur *) -external interprete : tcode -> values -> vm_env -> int -> values = - "coq_interprete_ml" +external coq_interprete : tcode -> values -> atom array -> vm_global -> vm_env -> int -> values = + "coq_interprete_byte" "coq_interprete_ml" + +let interprete code v env k = + coq_interprete code v (get_atom_rel ()) (Csymtable.get_global_data ()) env k (* Functions over arguments *) @@ -184,6 +186,6 @@ let apply_whd k whd = push_val v; interprete (cofix_upd_code to_up) (cofix_upd_val to_up) (cofix_upd_env to_up) 0 | Vatom_stk(a,stk) -> - apply_stack (val_of_atom a) stk v - | Vuniv_level lvl -> assert false + apply_stack (val_of_atom a) stk v + | Vuniv_level _lvl -> assert false diff --git a/kernel/vmvalues.ml b/kernel/vmvalues.ml index 0e0cb4e584..217ef4b8e5 100644 --- a/kernel/vmvalues.ml +++ b/kernel/vmvalues.ml @@ -9,8 +9,8 @@ (************************************************************************) open Names open Sorts -open Cbytecodes open Univ +open Constr (*******************************************) (* Initalization of the abstract machine ***) @@ -25,11 +25,124 @@ let _ = init_vm () (* Abstract data types and utility functions **********) (******************************************************) +(* The representation of values relies on this assertion *) +let _ = assert (Int.equal Obj.first_non_constant_constructor_tag 0) + (* Values of the abstract machine *) type values +type structured_values = values let val_of_obj v = ((Obj.obj v):values) let crazy_val = (val_of_obj (Obj.repr 0)) +type tag = int + +let accu_tag = 0 + +let type_atom_tag = 2 +let max_atom_tag = 2 +let proj_tag = 3 +let fix_app_tag = 4 +let switch_tag = 5 +let cofix_tag = 6 +let cofix_evaluated_tag = 7 + +(** Structured constants are constants whose construction is done once. Their +occurrences share the same value modulo kernel name substitutions (for functor +application). Structured values have the additional property that no +substitution will need to be performed, so their runtime value can directly be +shared without reallocating a more structured representation. *) +type structured_constant = + | Const_sort of Sorts.t + | Const_ind of inductive + | Const_b0 of tag + | Const_univ_level of Univ.Level.t + | Const_val of structured_values + +type reloc_table = (tag * int) array + +type annot_switch = + {ci : case_info; rtbl : reloc_table; tailcall : bool; max_stack_size : int} + +let rec eq_structured_values v1 v2 = + v1 == v2 || + let o1 = Obj.repr v1 in + let o2 = Obj.repr v2 in + if Obj.is_int o1 && Obj.is_int o2 then o1 == o2 + else + let t1 = Obj.tag o1 in + let t2 = Obj.tag o2 in + if Int.equal t1 t2 && + Int.equal (Obj.size o1) (Obj.size o2) + then begin + assert (t1 <= Obj.last_non_constant_constructor_tag && + t2 <= Obj.last_non_constant_constructor_tag); + let i = ref 0 in + while (!i < Obj.size o1 && eq_structured_values + (Obj.magic (Obj.field o1 !i) : structured_values) + (Obj.magic (Obj.field o2 !i) : structured_values)) do + incr i + done; + !i >= Obj.size o1 + end + else false + +let hash_structured_values (v : structured_values) = + (* We may want a better hash function here *) + Hashtbl.hash v + +let eq_structured_constant c1 c2 = match c1, c2 with +| Const_sort s1, Const_sort s2 -> Sorts.equal s1 s2 +| Const_sort _, _ -> false +| Const_ind i1, Const_ind i2 -> eq_ind i1 i2 +| Const_ind _, _ -> false +| Const_b0 t1, Const_b0 t2 -> Int.equal t1 t2 +| Const_b0 _, _ -> false +| Const_univ_level l1 , Const_univ_level l2 -> Univ.Level.equal l1 l2 +| Const_univ_level _ , _ -> false +| Const_val v1, Const_val v2 -> eq_structured_values v1 v2 +| Const_val _v1, _ -> false + +let hash_structured_constant c = + let open Hashset.Combine in + match c with + | Const_sort s -> combinesmall 1 (Sorts.hash s) + | Const_ind i -> combinesmall 2 (ind_hash i) + | Const_b0 t -> combinesmall 3 (Int.hash t) + | Const_univ_level l -> combinesmall 4 (Univ.Level.hash l) + | Const_val v -> combinesmall 5 (hash_structured_values v) + +let eq_annot_switch asw1 asw2 = + let eq_ci ci1 ci2 = + eq_ind ci1.ci_ind ci2.ci_ind && + Int.equal ci1.ci_npar ci2.ci_npar && + CArray.equal Int.equal ci1.ci_cstr_ndecls ci2.ci_cstr_ndecls + in + let eq_rlc (i1, j1) (i2, j2) = Int.equal i1 i2 && Int.equal j1 j2 in + eq_ci asw1.ci asw2.ci && + CArray.equal eq_rlc asw1.rtbl asw2.rtbl && + (asw1.tailcall : bool) == asw2.tailcall + +let hash_annot_switch asw = + let open Hashset.Combine in + let h1 = Constr.case_info_hash asw.ci in + let h2 = Array.fold_left (fun h (t, i) -> combine3 h t i) 0 asw.rtbl in + let h3 = if asw.tailcall then 1 else 0 in + combine3 h1 h2 h3 + +let pp_sort s = + let open Sorts in + match s with + | Prop -> Pp.str "Prop" + | Set -> Pp.str "Set" + | Type u -> Pp.(str "Type@{" ++ Univ.pr_uni u ++ str "}") + +let pp_struct_const = function + | Const_sort s -> pp_sort s + | Const_ind (mind, i) -> Pp.(MutInd.print mind ++ str"#" ++ int i) + | Const_b0 i -> Pp.int i + | Const_univ_level l -> Univ.Level.pr l + | Const_val _ -> Pp.str "(value)" + (* Abstract data *) type vprod type vfun @@ -43,6 +156,7 @@ let fix_val v = (Obj.magic v : values) let cofix_upd_val v = (Obj.magic v : values) type vm_env +type vm_global let fun_env v = (Obj.magic v : vm_env) let fix_env v = (Obj.magic v : vm_env) let cofix_env v = (Obj.magic v : vm_env) @@ -51,19 +165,24 @@ type vstack = values array let fun_of_val v = (Obj.magic v : vfun) +let vm_global (v : values array) = (Obj.magic v : vm_global) + (*******************************************) (* Machine code *** ************************) (*******************************************) type tcode +(** A block whose first field is a C-allocated VM bytecode, encoded as char*. + This is compatible with the representation of the Coq VM closures. *) + +type tcode_array external mkAccuCode : int -> tcode = "coq_makeaccu" external offset_tcode : tcode -> int -> tcode = "coq_offset_tcode" -let tcode_of_obj v = ((Obj.obj v):tcode) -let fun_code v = tcode_of_obj (Obj.field (Obj.repr v) 0) -let fix_code v = fun_code v -let cofix_upd_code v = fun_code v +let fun_code v = (Obj.magic v : tcode) +let fix_code = fun_code +let cofix_upd_code = fun_code type vswitch = { @@ -126,7 +245,7 @@ type id_key = | RelKey of Int.t | EvarKey of Evar.t -let eq_id_key k1 k2 = match k1, k2 with +let eq_id_key (k1 : id_key) (k2 : id_key) = match k1, k2 with | ConstKey c1, ConstKey c2 -> Constant.equal c1 c2 | VarKey id1, VarKey id2 -> Id.equal id1 id2 | RelKey n1, RelKey n2 -> Int.equal n1 n2 @@ -144,7 +263,7 @@ type zipper = | Zapp of arguments | Zfix of vfix*arguments (* Possibly empty *) | Zswitch of vswitch - | Zproj of Constant.t (* name of the projection *) + | Zproj of Projection.Repr.t (* name of the projection *) type stack = zipper list @@ -185,9 +304,9 @@ let uni_lvl_val (v : values) : Univ.Level.t = | Vfun _ -> str "Vfun" | Vfix _ -> str "Vfix" | Vcofix _ -> str "Vcofix" - | Vconstr_const i -> str "Vconstr_const" - | Vconstr_block b -> str "Vconstr_block" - | Vatom_stk (a,stk) -> str "Vatom_stk" + | Vconstr_const _i -> str "Vconstr_const" + | Vconstr_block _b -> str "Vconstr_block" + | Vatom_stk (_a,_stk) -> str "Vatom_stk" | _ -> assert false in CErrors.anomaly @@ -252,6 +371,7 @@ external kind_of_closure : Obj.t -> int = "coq_kind_of_closure" external is_accumulate : tcode -> bool = "coq_is_accumulate_code" external int_tcode : tcode -> int -> int = "coq_int_tcode" external accumulate : unit -> tcode = "accumulate_code" +external set_bytecode_field : Obj.t -> int -> tcode -> unit = "coq_set_bytecode_field" let accumulate = accumulate () let whd_val : values -> whd = @@ -281,25 +401,26 @@ let whd_val : values -> whd = let obj_of_atom : atom -> Obj.t = fun a -> let res = Obj.new_block accu_tag 2 in - Obj.set_field res 0 (Obj.repr accumulate); + set_bytecode_field res 0 accumulate; Obj.set_field res 1 (Obj.repr a); res (* obj_of_str_const : structured_constant -> Obj.t *) -let rec obj_of_str_const str = +let obj_of_str_const str = match str with | Const_sort s -> obj_of_atom (Asort s) | Const_ind ind -> obj_of_atom (Aind ind) - | Const_proj p -> Obj.repr p | Const_b0 tag -> Obj.repr tag - | Const_bn(tag, args) -> - let len = Array.length args in - let res = Obj.new_block tag len in - for i = 0 to len - 1 do - Obj.set_field res i (obj_of_str_const args.(i)) - done; - res | Const_univ_level l -> Obj.repr (Vuniv_level l) + | Const_val v -> Obj.repr v + +let val_of_block tag (args : structured_values array) = + let nargs = Array.length args in + let r = Obj.new_block tag nargs in + for i = 0 to nargs - 1 do + Obj.set_field r i (Obj.repr args.(i)) + done; + (Obj.magic r : structured_values) let val_of_obj o = ((Obj.obj o) : values) @@ -307,6 +428,8 @@ let val_of_str_const str = val_of_obj (obj_of_str_const str) let val_of_atom a = val_of_obj (obj_of_atom a) +let val_of_int i = (Obj.magic i : values) + let atom_of_proj kn v = let r = Obj.new_block proj_tag 2 in Obj.set_field r 0 (Obj.repr kn); @@ -321,7 +444,7 @@ struct type t = id_key let equal = eq_id_key open Hashset.Combine - let hash = function + let hash : t -> tag = function | ConstKey c -> combinesmall 1 (Constant.hash c) | VarKey id -> combinesmall 2 (Id.hash id) | RelKey i -> combinesmall 3 (Int.hash i) @@ -348,6 +471,7 @@ let val_of_constant c = val_of_idkey (ConstKey c) let val_of_evar evk = val_of_idkey (EvarKey evk) external val_of_annot_switch : annot_switch -> values = "%identity" +external val_of_proj_name : Projection.Repr.t -> values = "%identity" (*************************************************) (** Operations manipulating data types ***********) @@ -367,17 +491,20 @@ external closure_arity : vfun -> int = "coq_closure_arity" external offset : Obj.t -> int = "coq_offset" external offset_closure : Obj.t -> int -> Obj.t = "coq_offset_closure" external offset_closure_fix : vfix -> int -> vm_env = "coq_offset_closure" +external tcode_array : tcode_array -> tcode array = "coq_tcode_array" let first o = (offset_closure o (offset o)) let first_fix (v:vfix) = (Obj.magic (first (Obj.repr v)) : vfix) let last o = (Obj.field o (Obj.size o - 1)) -let fix_types (v:vfix) = (Obj.magic (last (Obj.repr v)) : tcode array) -let cofix_types (v:vcofix) = (Obj.magic (last (Obj.repr v)) : tcode array) +let fix_types (v:vfix) = tcode_array (Obj.magic (last (Obj.repr v)) : tcode_array) +let cofix_types (v:vcofix) = tcode_array (Obj.magic (last (Obj.repr v)) : tcode_array) let current_fix vf = - (offset (Obj.repr vf) / 2) -let unsafe_fb_code fb i = tcode_of_obj (Obj.field (Obj.repr fb) (2 * i)) +let unsafe_fb_code fb i = + let off = (2 * i) * (Sys.word_size / 8) in + Obj.obj (Obj.add_offset (Obj.repr fb) (Int32.of_int off)) let unsafe_rec_arg fb i = int_tcode (unsafe_fb_code fb i) 1 @@ -407,13 +534,20 @@ let check_fix f1 f2 = else false else false -external atom_rel : unit -> atom array = "get_coq_atom_tbl" -external realloc_atom_rel : int -> unit = "realloc_coq_atom_tbl" +let atom_rel : atom array ref = + let init i = Aid (RelKey i) in + ref (Array.init 40 init) + +let get_atom_rel () = !atom_rel + +let realloc_atom_rel n = + let n = min (2 * n + 0x100) Sys.max_array_length in + let init i = Aid (RelKey i) in + let ans = Array.init n init in + atom_rel := ans let relaccu_tbl = - let atom_rel = atom_rel() in - let len = Array.length atom_rel in - for i = 0 to len - 1 do atom_rel.(i) <- Aid (RelKey i) done; + let len = Array.length !atom_rel in ref (Array.init len mkAccuCode) let relaccu_code i = @@ -422,9 +556,7 @@ let relaccu_code i = else begin realloc_atom_rel i; - let atom_rel = atom_rel () in - let nl = Array.length atom_rel in - for j = len to nl - 1 do atom_rel.(j) <- Aid(RelKey j) done; + let nl = Array.length !atom_rel in relaccu_tbl := Array.init nl (fun j -> if j < len then !relaccu_tbl.(j) else mkAccuCode j); @@ -434,13 +566,12 @@ let relaccu_code i = let mk_fix_body k ndef fb = let e = Obj.dup (Obj.repr fb) in for i = 0 to ndef - 1 do - Obj.set_field e (2 * i) (Obj.repr (relaccu_code (k + i))) + set_bytecode_field e (2 * i) (relaccu_code (k + i)) done; let fix_body i = - let jump_grabrec c = offset_tcode c 2 in - let c = jump_grabrec (unsafe_fb_code fb i) in + let c = offset_tcode (unsafe_fb_code fb i) 2 in let res = Obj.new_block Obj.closure_tag 2 in - Obj.set_field res 0 (Obj.repr c); + set_bytecode_field res 0 c; Obj.set_field res 1 (offset_closure e (2*i)); ((Obj.obj res) : vfun) in Array.init ndef fix_body @@ -478,7 +609,7 @@ let mk_cofix_body apply_varray k ndef vcf = Obj.set_field e 0 c; let atom = Obj.new_block cofix_tag 1 in let self = Obj.new_block accu_tag 2 in - Obj.set_field self 0 (Obj.repr accumulate); + set_bytecode_field self 0 accumulate; Obj.set_field self 1 (Obj.repr atom); apply_varray (Obj.obj e) [|Obj.obj self|] in Array.init ndef cofix_body @@ -500,10 +631,10 @@ let branch_arg k (tag,arity) = if Int.equal arity 0 then ((Obj.magic tag):values) else let b, ofs = - if tag < last_variant_tag then Obj.new_block tag arity, 0 + if tag < Obj.last_non_constant_constructor_tag then Obj.new_block tag arity, 0 else - let b = Obj.new_block last_variant_tag (arity+1) in - Obj.set_field b 0 (Obj.repr (tag-last_variant_tag)); + let b = Obj.new_block Obj.last_non_constant_constructor_tag (arity+1) in + Obj.set_field b 0 (Obj.repr (tag-Obj.last_non_constant_constructor_tag)); b,1 in for i = ofs to ofs + arity - 1 do Obj.set_field b i (Obj.repr (val_of_rel (k+i))) @@ -527,7 +658,7 @@ and pr_whd w = | Vfix _ -> str "Vfix" | Vcofix _ -> str "Vcofix" | Vconstr_const i -> str "Vconstr_const(" ++ int i ++ str ")" - | Vconstr_block b -> str "Vconstr_block" + | Vconstr_block _b -> str "Vconstr_block" | Vatom_stk (a,stk) -> str "Vatom_stk(" ++ pr_atom a ++ str ", " ++ pr_stack stk ++ str ")" | Vuniv_level _ -> assert false) and pr_stack stk = @@ -537,6 +668,6 @@ and pr_stack stk = and pr_zipper z = Pp.(match z with | Zapp args -> str "Zapp(len = " ++ int (nargs args) ++ str ")" - | Zfix (f,args) -> str "Zfix(..., len=" ++ int (nargs args) ++ str ")" - | Zswitch s -> str "Zswitch(...)" - | Zproj c -> str "Zproj(" ++ Constant.print c ++ str ")") + | Zfix (_f,args) -> str "Zfix(..., len=" ++ int (nargs args) ++ str ")" + | Zswitch _s -> str "Zswitch(...)" + | Zproj c -> str "Zproj(" ++ Projection.Repr.print c ++ str ")") diff --git a/kernel/vmvalues.mli b/kernel/vmvalues.mli index c6e342a965..ae1d416ed5 100644 --- a/kernel/vmvalues.mli +++ b/kernel/vmvalues.mli @@ -9,12 +9,14 @@ (************************************************************************) open Names -open Cbytecodes +open Constr (** Values *) type values +type structured_values type vm_env +type vm_global type vprod type vfun type vfix @@ -24,6 +26,38 @@ type arguments type vstack = values array type to_update +type tag = int + +val accu_tag : tag + +val type_atom_tag : tag +val max_atom_tag : tag +val proj_tag : tag +val fix_app_tag : tag +val switch_tag : tag +val cofix_tag : tag +val cofix_evaluated_tag : tag + +type structured_constant = + | Const_sort of Sorts.t + | Const_ind of inductive + | Const_b0 of tag + | Const_univ_level of Univ.Level.t + | Const_val of structured_values + +val pp_struct_const : structured_constant -> Pp.t + +type reloc_table = (tag * int) array + +type annot_switch = + {ci : case_info; rtbl : reloc_table; tailcall : bool; max_stack_size : int} + +val eq_structured_constant : structured_constant -> structured_constant -> bool +val hash_structured_constant : structured_constant -> int + +val eq_annot_switch : annot_switch -> annot_switch -> bool +val hash_annot_switch : annot_switch -> int + val fun_val : vfun -> values val fix_val : vfix -> values val cofix_upd_val : to_update -> values @@ -33,6 +67,8 @@ val fix_env : vfix -> vm_env val cofix_env : vcofix -> vm_env val cofix_upd_env : to_update -> vm_env +val vm_global : values array -> vm_global + (** Cast a value known to be a function, unsafe in general *) val fun_of_val : values -> vfun @@ -69,13 +105,16 @@ type atom = | Aind of inductive | Asort of Sorts.t +val get_atom_rel : unit -> atom array +(** Global table of rels *) + (** Zippers *) type zipper = | Zapp of arguments | Zfix of vfix * arguments (** might be empty *) | Zswitch of vswitch - | Zproj of Constant.t (* name of the projection *) + | Zproj of Projection.Repr.t (* name of the projection *) type stack = zipper list @@ -102,10 +141,13 @@ val val_of_rel : int -> values val val_of_named : Id.t -> values val val_of_constant : Constant.t -> values val val_of_evar : Evar.t -> values -val val_of_proj : Constant.t -> values -> values +val val_of_proj : Projection.Repr.t -> values -> values val val_of_atom : atom -> values +val val_of_int : int -> structured_values +val val_of_block : tag -> structured_values array -> structured_values external val_of_annot_switch : annot_switch -> values = "%identity" +external val_of_proj_name : Projection.Repr.t -> values = "%identity" (** Destructors *) @@ -151,4 +193,4 @@ val bfield : vblock -> int -> values (** Switch *) val check_switch : vswitch -> vswitch -> bool -val branch_arg : int -> Cbytecodes.tag * int -> values +val branch_arg : int -> tag * int -> values |