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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \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) *)
(************************************************************************)
(** Ltac toplevel command entries. *)
open Vernacexpr
open Tacexpr
(** {5 Tactic Definitions} *)
val register_ltac : locality_flag -> ?deprecation:Deprecation.t ->
Tacexpr.tacdef_body list -> unit
(** Adds new Ltac definitions to the environment. *)
(** {5 Tactic Notations} *)
type 'a grammar_tactic_prod_item_expr = 'a Pptactic.grammar_tactic_prod_item_expr =
| TacTerm of string
| TacNonTerm of ('a * Names.Id.t option) Loc.located
type raw_argument = string * string option
(** An argument type as provided in Tactic notations, i.e. a string like
"ne_foo_list_opt" together with a separator that only makes sense in the
"_sep" cases. *)
type argument = Genarg.ArgT.any Extend.user_symbol
(** A fully resolved argument type given as an AST with generic arguments on the
leaves. *)
val add_tactic_notation :
locality_flag -> int -> ?deprecation:Deprecation.t -> raw_argument
grammar_tactic_prod_item_expr list -> raw_tactic_expr -> unit
(** [add_tactic_notation local level prods expr] adds a tactic notation in the
environment at level [level] with locality [local] made of the grammar
productions [prods] and returning the body [expr] *)
val register_tactic_notation_entry : string -> ('a, 'b, 'c) Genarg.genarg_type -> unit
(** Register an argument under a given entry name for tactic notations. When
translating [raw_argument] into [argument], atomic names will be first
looked up according to names registered through this function and fallback
to finding an argument by name (as in {!Genarg}) if there is none
matching. *)
val add_ml_tactic_notation : ml_tactic_name -> level:int -> ?deprecation:Deprecation.t ->
argument grammar_tactic_prod_item_expr list list -> unit
(** A low-level variant of {!add_tactic_notation} used by the TACTIC EXTEND
ML-side macro. *)
(** {5 Tactic Quotations} *)
val create_ltac_quotation : string ->
('grm Loc.located -> raw_tactic_arg) -> ('grm Pcoq.Entry.t * int option) -> unit
(** [create_ltac_quotation name f e] adds a quotation rule to Ltac, that is,
Ltac grammar now accepts arguments of the form ["name" ":" "(" <e> ")"], and
generates an argument using [f] on the entry parsed by [e]. *)
(** {5 Queries} *)
val print_ltacs : unit -> unit
(** Display the list of ltac definitions currently available. *)
val print_located_tactic : Libnames.qualid -> unit
(** Display the absolute name of a tactic. *)
val print_ltac : Libnames.qualid -> Pp.t
(** Display the definition of a tactic. *)
(** {5 Low-level registering of tactics} *)
type (_, 'a) ml_ty_sig =
| MLTyNil : ('a, 'a) ml_ty_sig
| MLTyArg : ('r, 'a) ml_ty_sig -> (Geninterp.Val.t -> 'r, 'a) ml_ty_sig
val ml_tactic_extend : plugin:string -> name:string -> local:locality_flag ->
?deprecation:Deprecation.t -> ('r, unit Proofview.tactic) ml_ty_sig -> 'r -> unit
(** Helper function to define directly an Ltac function in OCaml without any
associated parsing rule nor further shenanigans. The Ltac function will be
defined as [name] in the Coq file that loads the ML plugin where this
function is called. It will have the arity given by the [ml_ty_sig]
argument. *)
val ml_val_tactic_extend : plugin:string -> name:string -> local:locality_flag ->
?deprecation:Deprecation.t -> ('r, Geninterp.Val.t Ftactic.t) ml_ty_sig -> 'r -> unit
(** Same as {!ml_tactic_extend} but the function can return an argument
instead. *)
(** {5 TACTIC EXTEND} *)
type _ ty_sig =
| TyNil : (Geninterp.interp_sign -> unit Proofview.tactic) ty_sig
| TyIdent : string * 'r ty_sig -> 'r ty_sig
| TyArg : ('a, 'b, 'c) Extend.ty_user_symbol * 'r ty_sig -> ('c -> 'r) ty_sig
type ty_ml = TyML : 'r ty_sig * 'r -> ty_ml
val tactic_extend : string -> string -> level:Int.t ->
?deprecation:Deprecation.t -> ty_ml list -> unit
(** {5 ARGUMENT EXTEND} *)
(**
This is the main entry point for the ARGUMENT EXTEND macro that allows to
easily create user-made Ltac arguments.
Each argument has three type parameters. See {!Genarg} for more details.
There are two kinds of Ltac arguments, uniform and non-uniform. The former
have the same type at each level (raw, glob, top) while the latter may vary.
When declaring an argument one must provide the following data:
- Internalization : raw -> glob
- Substitution : glob -> glob
- Interpretation : glob -> Ltac dynamic value
- Printing for every level
- An optional toplevel tag of type top (with the proviso that the
interpretation function only produces values with this tag)
This data can be either given explicitly with the [Fun] constructors, or it
can be inherited from another argument with the [Wit] constructors.
*)
type ('a, 'b, 'c) argument_printer =
'a Pptactic.raw_extra_genarg_printer *
'b Pptactic.glob_extra_genarg_printer *
'c Pptactic.extra_genarg_printer
type ('a, 'b) argument_intern =
| ArgInternFun : ('a, 'b) Genintern.intern_fun -> ('a, 'b) argument_intern
| ArgInternWit : ('a, 'b, 'c) Genarg.genarg_type -> ('a, 'b) argument_intern
type 'b argument_subst =
| ArgSubstFun : 'b Genintern.subst_fun -> 'b argument_subst
| ArgSubstWit : ('a, 'b, 'c) Genarg.genarg_type -> 'b argument_subst
type ('b, 'c) argument_interp =
| ArgInterpRet : ('c, 'c) argument_interp
| ArgInterpFun : ('b, Geninterp.Val.t) Geninterp.interp_fun -> ('b, 'c) argument_interp
| ArgInterpWit : ('a, 'b, 'r) Genarg.genarg_type -> ('b, 'c) argument_interp
| ArgInterpLegacy :
(Geninterp.interp_sign -> Goal.goal Evd.sigma -> 'b -> Evd.evar_map * 'c) -> ('b, 'c) argument_interp
type ('a, 'b, 'c) tactic_argument = {
arg_parsing : 'a Vernacextend.argument_rule;
arg_tag : 'c Geninterp.Val.tag option;
arg_intern : ('a, 'b) argument_intern;
arg_subst : 'b argument_subst;
arg_interp : ('b, 'c) argument_interp;
arg_printer : ('a, 'b, 'c) argument_printer;
}
val argument_extend : name:string -> ('a, 'b, 'c) tactic_argument ->
('a, 'b, 'c) Genarg.genarg_type * 'a Pcoq.Entry.t
|
