diff options
Diffstat (limited to 'interp')
| -rw-r--r-- | interp/constrextern.ml | 13 | ||||
| -rw-r--r-- | interp/constrintern.ml | 51 | ||||
| -rw-r--r-- | interp/constrintern.mli | 2 | ||||
| -rw-r--r-- | interp/notation.ml | 3 | ||||
| -rw-r--r-- | interp/notation.mli | 3 | ||||
| -rw-r--r-- | interp/notation_ops.ml | 40 | ||||
| -rw-r--r-- | interp/notation_ops.mli | 2 | ||||
| -rw-r--r-- | interp/syntax_def.ml | 20 | ||||
| -rw-r--r-- | interp/syntax_def.mli | 3 | ||||
| -rw-r--r-- | interp/topconstr.ml | 19 |
10 files changed, 97 insertions, 59 deletions
diff --git a/interp/constrextern.ml b/interp/constrextern.ml index e71daef999..dd8a48b85e 100644 --- a/interp/constrextern.ml +++ b/interp/constrextern.ml @@ -149,17 +149,8 @@ let extern_evar loc n l = CEvar (loc,n,l) For instance, in the debugger the tables of global references may be inaccurate *) -let safe_shortest_qualid_of_global vars r = - try shortest_qualid_of_global vars r - with Not_found -> - match r with - | VarRef v -> make_qualid DirPath.empty v - | ConstRef c -> make_qualid DirPath.empty Names.(Label.to_id (con_label c)) - | IndRef (i,_) | ConstructRef ((i,_),_) -> - make_qualid DirPath.empty Names.(Label.to_id (mind_label i)) - let default_extern_reference loc vars r = - Qualid (loc,safe_shortest_qualid_of_global vars r) + Qualid (loc,shortest_qualid_of_global vars r) let my_extern_reference = ref default_extern_reference @@ -481,7 +472,7 @@ let explicitize loc inctx impl (cf,f) args = (!print_implicits && !print_implicits_explicit_args) || (is_needed_for_correct_partial_application tail imp) || (!print_implicits_defensive && - (not (is_inferable_implicit inctx n imp) || !Flags.beautify_file) && + (not (is_inferable_implicit inctx n imp) || !Flags.beautify) && is_significant_implicit (Lazy.force a)) in if visible then diff --git a/interp/constrintern.ml b/interp/constrintern.ml index 4502aa7ace..c916fcd886 100644 --- a/interp/constrintern.ml +++ b/interp/constrintern.ml @@ -1061,6 +1061,15 @@ let find_pattern_variable = function | Ident (loc,id) -> id | Qualid (loc,_) as x -> raise (InternalizationError(loc,NotAConstructor x)) +let check_duplicate loc fields = + let eq (ref1, _) (ref2, _) = eq_reference ref1 ref2 in + let dups = List.duplicates eq fields in + match dups with + | [] -> () + | (r, _) :: _ -> + user_err_loc (loc, "", str "This record defines several times the field " ++ + pr_reference r ++ str ".") + (** [sort_fields ~complete loc fields completer] expects a list [fields] of field assignments [f = e1; g = e2; ...], where [f, g] are fields of a record and [e1] are "values" (either terms, when @@ -1094,6 +1103,7 @@ let sort_fields ~complete loc fields completer = try Qualid (loc, shortest_qualid_of_global Id.Set.empty global_record_id) with Not_found -> anomaly (str "Environment corruption for records") in + let () = check_duplicate loc fields in let (end_index, (* one past the last field index *) first_field_index, (* index of the first field of the record *) proj_list) (* list of projections *) @@ -1400,7 +1410,40 @@ let rec intern_pat genv aliases pat = check_or_pat_variables loc ids (List.tl idsl); (ids,List.flatten pl') +(* [check_no_patcast p] raises an error if [p] contains a cast. This code is a + bit ad-hoc, and is due to current restrictions on casts in patterns. We + support them only in local binders and only at top level. In fact, they are + currently eliminated by the parser. The only reason why they are in the + [cases_pattern_expr] type is that the parser needs to factor the "(c : t)" + notation with user defined notations (such as the pair). In the long term, we + will try to support such casts everywhere, and use them to print the domains + of lambdas in the encoding of match in constr. We put this check here and not + in the parser because it would require to duplicate the levels of the + [pattern] rule. *) +let rec check_no_patcast = function + | CPatCast (loc,_,_) -> + CErrors.user_err_loc (loc, "check_no_patcast", + Pp.strbrk "Casts are not supported here.") + | CPatDelimiters(_,_,p) + | CPatAlias(_,p,_) -> check_no_patcast p + | CPatCstr(_,_,opl,pl) -> + Option.iter (List.iter check_no_patcast) opl; + List.iter check_no_patcast pl + | CPatOr(_,pl) -> + List.iter check_no_patcast pl + | CPatNotation(_,_,subst,pl) -> + check_no_patcast_subst subst; + List.iter check_no_patcast pl + | CPatRecord(_,prl) -> + List.iter (fun (_,p) -> check_no_patcast p) prl + | CPatAtom _ | CPatPrim _ -> () + +and check_no_patcast_subst (pl,pll) = + List.iter check_no_patcast pl; + List.iter (List.iter check_no_patcast) pll + let intern_cases_pattern genv scopes aliases pat = + check_no_patcast pat; intern_pat genv aliases (drop_notations_pattern (function ConstructRef _ -> () | _ -> raise Not_found) scopes pat) @@ -1409,6 +1452,7 @@ let _ = fun scopes p -> intern_cases_pattern (Global.env ()) scopes empty_alias p let intern_ind_pattern genv scopes pat = + check_no_patcast pat; let no_not = try drop_notations_pattern (function (IndRef _ | ConstructRef _) -> () | _ -> raise Not_found) scopes pat @@ -1558,7 +1602,8 @@ let internalize globalenv env allow_patvar (_, ntnvars as lvar) c = let idl_tmp = Array.map (fun ((loc,id),bl,ty,_) -> let (env',rbl) = List.fold_left intern_local_binder (env,[]) bl in - let rbl = List.map (function BDRawDef a -> a | BDPattern _ -> assert false) rbl in + let rbl = List.map (function BDRawDef a -> a | BDPattern _ -> + Loc.raise loc (Stream.Error "pattern with quote not allowed after cofix")) rbl in (List.rev rbl, intern_type env' ty,env')) dl in let idl = Array.map2 (fun (_,_,_,bd) (b,c,env') -> @@ -2003,14 +2048,14 @@ let interp_notation_constr ?(impls=empty_internalization_env) nenv a = tmp_scope = None; scopes = []; impls = impls} false (empty_ltac_sign, vl) a in (* Translate and check that [c] has all its free variables bound in [vars] *) - let a = notation_constr_of_glob_constr nenv c in + let a, reversible = notation_constr_of_glob_constr nenv c in (* Splits variables into those that are binding, bound, or both *) (* binding and bound *) let out_scope = function None -> None,[] | Some (a,l) -> a,l in let vars = Id.Map.map (fun (isonlybinding, sc, typ) -> (!isonlybinding, out_scope !sc, typ)) vl in (* Returns [a] and the ordered list of variables with their scopes *) - vars, a + vars, a, reversible (* Interpret binders and contexts *) diff --git a/interp/constrintern.mli b/interp/constrintern.mli index eea76aa310..61e7c6f5cb 100644 --- a/interp/constrintern.mli +++ b/interp/constrintern.mli @@ -186,7 +186,7 @@ val global_reference_in_absolute_module : DirPath.t -> Id.t -> constr val interp_notation_constr : ?impls:internalization_env -> notation_interp_env -> constr_expr -> (bool * subscopes * notation_var_internalization_type) Id.Map.t * - notation_constr + notation_constr * reversibility_flag (** Globalization options *) val parsing_explicit : bool ref diff --git a/interp/notation.ml b/interp/notation.ml index d301ed21db..389a1c9dff 100644 --- a/interp/notation.ml +++ b/interp/notation.ml @@ -1009,6 +1009,9 @@ let find_notation_parsing_rules ntn = try pi3 (String.Map.find ntn !notation_rules) with Not_found -> anomaly (str "No parsing rule found for " ++ str ntn) +let get_defined_notations () = + String.Set.elements @@ String.Map.domain !notation_rules + let add_notation_extra_printing_rule ntn k v = try notation_rules := diff --git a/interp/notation.mli b/interp/notation.mli index b47e1975e3..2e92a00a8c 100644 --- a/interp/notation.mli +++ b/interp/notation.mli @@ -203,6 +203,9 @@ val find_notation_extra_printing_rules : notation -> extra_unparsing_rules val find_notation_parsing_rules : notation -> notation_grammar val add_notation_extra_printing_rule : notation -> string -> string -> unit +(** Returns notations with defined parsing/printing rules *) +val get_defined_notations : unit -> notation list + (** Rem: printing rules for primitive token are canonical *) val with_notation_protection : ('a -> 'b) -> 'a -> 'b diff --git a/interp/notation_ops.ml b/interp/notation_ops.ml index cc81a00919..0c5393cf41 100644 --- a/interp/notation_ops.ml +++ b/interp/notation_ops.ml @@ -248,6 +248,10 @@ let check_is_hole id = function GHole _ -> () | t -> let pair_equal eq1 eq2 (a,b) (a',b') = eq1 a a' && eq2 b b' +type recursive_pattern_kind = +| RecursiveTerms of bool (* associativity *) +| RecursiveBinders of glob_constr * glob_constr + let compare_recursive_parts found f f' (iterator,subc) = let diff = ref None in let terminator = ref None in @@ -269,18 +273,16 @@ let compare_recursive_parts found f f' (iterator,subc) = let x,y = if lassoc then y,x else x,y in begin match !diff with | None -> - let () = diff := Some (x, y, Some lassoc) in + let () = diff := Some (x, y, RecursiveTerms lassoc) in true | Some _ -> false end | GLambda (_,Name x,_,t_x,c), GLambda (_,Name y,_,t_y,term) | GProd (_,Name x,_,t_x,c), GProd (_,Name y,_,t_y,term) -> (* We found a binding position where it differs *) - check_is_hole x t_x; - check_is_hole y t_y; begin match !diff with | None -> - let () = diff := Some (x, y, None) in + let () = diff := Some (x, y, RecursiveBinders (t_x,t_y)) in aux c term | Some _ -> false end @@ -294,7 +296,7 @@ let compare_recursive_parts found f f' (iterator,subc) = (* Here, we would need a loc made of several parts ... *) user_err_loc (subtract_loc loc1 loc2,"", str "Both ends of the recursive pattern are the same.") - | Some (x,y,Some lassoc) -> + | Some (x,y,RecursiveTerms lassoc) -> let newfound,x,y,lassoc = if List.mem_f (pair_equal Id.equal Id.equal) (x,y) (pi2 !found) || List.mem_f (pair_equal Id.equal Id.equal) (x,y) (pi3 !found) @@ -312,17 +314,20 @@ let compare_recursive_parts found f f' (iterator,subc) = (* found have been collected by compare_constr *) found := newfound; NList (x,y,iterator,f (Option.get !terminator),lassoc) - | Some (x,y,None) -> + | Some (x,y,RecursiveBinders (t_x,t_y)) -> let newfound = (pi1 !found, pi2 !found, (x,y) :: pi3 !found) in let iterator = f' (subst_glob_vars [x,GVar(Loc.ghost,y)] iterator) in (* found have been collected by compare_constr *) found := newfound; + check_is_hole x t_x; + check_is_hole y t_y; NBinderList (x,y,iterator,f (Option.get !terminator)) else raise Not_found let notation_constr_and_vars_of_glob_constr a = let found = ref ([],[],[]) in + let has_ltac = ref false in let rec aux c = let keepfound = !found in (* n^2 complexity but small and done only once per notation *) @@ -368,7 +373,9 @@ let notation_constr_and_vars_of_glob_constr a = NRec (fk,idl,dll,Array.map aux tl,Array.map aux bl) | GCast (_,c,k) -> NCast (aux c,Miscops.map_cast_type aux k) | GSort (_,s) -> NSort s - | GHole (_,w,naming,arg) -> NHole (w, naming, arg) + | GHole (_,w,naming,arg) -> + if arg != None then has_ltac := true; + NHole (w, naming, arg) | GRef (_,r,_) -> NRef r | GEvar _ | GPatVar _ -> error "Existential variables not allowed in notations." @@ -376,9 +383,10 @@ let notation_constr_and_vars_of_glob_constr a = in let t = aux a in (* Side effect *) - t, !found + t, !found, !has_ltac -let check_variables nenv (found,foundrec,foundrecbinding) = +let check_variables_and_reversibility nenv (found,foundrec,foundrecbinding) = + let injective = ref true in let recvars = nenv.ninterp_rec_vars in let fold _ y accu = Id.Set.add y accu in let useless_vars = Id.Map.fold fold recvars Id.Set.empty in @@ -401,7 +409,7 @@ let check_variables nenv (found,foundrec,foundrecbinding) = error (Id.to_string x ^ " should not be bound in a recursive pattern of the right-hand side.") - else nenv.ninterp_only_parse <- true + else injective := false in let check_pair s x y where = if not (List.mem_f (pair_equal Id.equal Id.equal) (x,y) where) then @@ -421,12 +429,13 @@ let check_variables nenv (found,foundrec,foundrecbinding) = with Not_found -> check_bound x end | NtnInternTypeIdent -> check_bound x in - Id.Map.iter check_type vars + Id.Map.iter check_type vars; + !injective let notation_constr_of_glob_constr nenv a = - let a, found = notation_constr_and_vars_of_glob_constr a in - let () = check_variables nenv found in - a + let a, found, has_ltac = notation_constr_and_vars_of_glob_constr a in + let injective = check_variables_and_reversibility nenv found in + a, not has_ltac && injective (**********************************************************************) (* Substitution of kernel names, avoiding a list of bound identifiers *) @@ -436,7 +445,6 @@ let notation_constr_of_constr avoiding t = let nenv = { ninterp_var_type = Id.Map.empty; ninterp_rec_vars = Id.Map.empty; - ninterp_only_parse = false; } in notation_constr_of_glob_constr nenv t @@ -454,7 +462,7 @@ let rec subst_notation_constr subst bound raw = | NRef ref -> let ref',t = subst_global subst ref in if ref' == ref then raw else - notation_constr_of_constr bound t + fst (notation_constr_of_constr bound t) | NVar _ -> raw diff --git a/interp/notation_ops.mli b/interp/notation_ops.mli index 4ebd3ddd80..c8fcbf7410 100644 --- a/interp/notation_ops.mli +++ b/interp/notation_ops.mli @@ -29,7 +29,7 @@ val ldots_var : Id.t bound by the notation; also interpret recursive patterns *) val notation_constr_of_glob_constr : notation_interp_env -> - glob_constr -> notation_constr + glob_constr -> notation_constr * reversibility_flag (** Re-interpret a notation as a [glob_constr], taking care of binders *) diff --git a/interp/syntax_def.ml b/interp/syntax_def.ml index d2dcbd92aa..2523063e64 100644 --- a/interp/syntax_def.ml +++ b/interp/syntax_def.ml @@ -84,11 +84,6 @@ let declare_syntactic_definition local id onlyparse pat = let pr_syndef kn = pr_qualid (shortest_qualid_of_syndef Id.Set.empty kn) -let verbose_compat_notations = ref true - -let is_verbose_compat () = - !verbose_compat_notations - let pr_compat_warning (kn, def, v) = let pp_def = match def with | [], NRef r -> spc () ++ str "is" ++ spc () ++ pr_global_env Id.Set.empty r @@ -98,11 +93,11 @@ let pr_compat_warning (kn, def, v) = pr_syndef kn ++ pp_def ++ since let warn_compatibility_notation = - CWarnings.create ~name:"compatibility-notation" - ~category:"deprecated" pr_compat_warning + CWarnings.(create ~name:"compatibility-notation" + ~category:"deprecated" ~default:Disabled pr_compat_warning) let verbose_compat kn def = function - | Some v when is_verbose_compat () && Flags.version_strictly_greater v -> + | Some v when Flags.version_strictly_greater v -> warn_compatibility_notation (kn, def, v) | _ -> () @@ -113,12 +108,3 @@ let search_syntactic_definition kn = def open Goptions - -let set_verbose_compat_notations = - declare_bool_option - { optsync = true; - optdepr = false; - optname = "verbose compatibility notations"; - optkey = ["Verbose";"Compat";"Notations"]; - optread = (fun () -> !verbose_compat_notations); - optwrite = ((:=) verbose_compat_notations) } diff --git a/interp/syntax_def.mli b/interp/syntax_def.mli index aa2c9c3c1b..55e2848e69 100644 --- a/interp/syntax_def.mli +++ b/interp/syntax_def.mli @@ -17,6 +17,3 @@ val declare_syntactic_definition : bool -> Id.t -> Flags.compat_version option -> syndef_interpretation -> unit val search_syntactic_definition : kernel_name -> syndef_interpretation - -(** Option concerning verbose display of compatibility notations *) -val set_verbose_compat_notations : bool -> unit diff --git a/interp/topconstr.ml b/interp/topconstr.ml index 2b860173a6..a397ca82eb 100644 --- a/interp/topconstr.ml +++ b/interp/topconstr.ml @@ -22,8 +22,7 @@ open Constrexpr_ops let asymmetric_patterns = ref (false) let _ = Goptions.declare_bool_option { Goptions.optsync = true; Goptions.optdepr = false; - Goptions.optname = - "Constructors in patterns require all their arguments but no parameters instead of explicit parameters and arguments"; + Goptions.optname = "no parameters in constructors"; Goptions.optkey = ["Asymmetric";"Patterns"]; Goptions.optread = (fun () -> !asymmetric_patterns); Goptions.optwrite = (fun a -> asymmetric_patterns:=a); @@ -61,6 +60,9 @@ let rec cases_pattern_fold_names f a = function | CPatPrim _ | CPatAtom _ -> a | CPatCast _ -> assert false +let ids_of_pattern = + cases_pattern_fold_names Id.Set.add Id.Set.empty + let ids_of_pattern_list = List.fold_left (Loc.located_fold_left @@ -93,8 +95,9 @@ let rec fold_local_binders g f n acc b = function f n (fold_local_binders g f n' acc b l) t | LocalRawDef ((_,na),t)::l -> f n (fold_local_binders g f (name_fold g na n) acc b l) t - | LocalPattern _::l -> - assert false + | LocalPattern (_,pat,t)::l -> + let acc = fold_local_binders g f (cases_pattern_fold_names g n pat) acc b l in + Option.fold_left (f n) acc t | [] -> f n acc b @@ -173,7 +176,8 @@ let split_at_annot bl na = (List.rev ans, LocalRawAssum (r, k, t) :: rest) end | LocalRawDef _ as x :: rest -> aux (x :: acc) rest - | LocalPattern _ :: rest -> assert false + | LocalPattern (loc,_,_) :: rest -> + Loc.raise loc (Stream.Error "pattern with quote not allowed after fix") | [] -> user_err_loc(loc,"", str "No parameter named " ++ Nameops.pr_id id ++ str".") @@ -196,8 +200,9 @@ let map_local_binders f g e bl = (map_binder g e nal, LocalRawAssum(nal,k,f e ty)::bl) | LocalRawDef((loc,na),ty) -> (name_fold g na e, LocalRawDef((loc,na),f e ty)::bl) - | LocalPattern _ -> - assert false in + | LocalPattern (loc,pat,t) -> + let ids = ids_of_pattern pat in + (Id.Set.fold g ids e, LocalPattern (loc,pat,Option.map (f e) t)::bl) in let (e,rbl) = List.fold_left h (e,[]) bl in (e, List.rev rbl) |
