Imported Upstream version 8.5~beta1+dfsg

1 files changed, 95 insertions, 0 deletions

diff --git a/tactics/taccoerce.mli b/tactics/taccoerce.mli
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+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+open Util
+open Names
+open Term
+open Misctypes
+open Pattern
+open Genarg
+
+(** Coercions from highest level generic arguments to actual data used by Ltac
+    interpretation. Those functions examinate dynamic types and try to return
+    something sensible according to the object content. *)
+
+exception CannotCoerceTo of string
+(** Exception raised whenever a coercion failed. *)
+
+(** {5 High-level access to values}
+
+  The [of_*] functions cast a given argument into a value. The [to_*] do the
+  converse, and return [None] if there is a type mismatch.
+
+*)
+
+module Value :
+sig
+  type t = tlevel generic_argument
+  (** Tactics manipulate [tlevel generic_argument]. *)
+
+  val normalize : t -> t
+  (** Eliminated the leading dynamic type casts. *)
+
+  val of_constr : constr -> t
+  val to_constr : t -> constr option
+  val of_uconstr : Glob_term.closed_glob_constr -> t
+  val to_uconstr : t -> Glob_term.closed_glob_constr option
+  val of_int : int -> t
+  val to_int : t -> int option
+  val to_list : t -> t list option
+end
+
+(** {5 Coercion functions} *)
+
+val coerce_to_constr_context : Value.t -> constr
+
+val coerce_to_ident : bool -> Environ.env -> Value.t -> Id.t
+
+val coerce_to_intro_pattern : Environ.env -> Value.t -> Tacexpr.delayed_open_constr intro_pattern_expr
+
+val coerce_to_intro_pattern_naming :
+  Environ.env -> Value.t -> intro_pattern_naming_expr
+
+val coerce_to_intro_pattern_naming :
+  Environ.env -> Value.t -> intro_pattern_naming_expr
+
+val coerce_to_hint_base : Value.t -> string
+
+val coerce_to_int : Value.t -> int
+
+val coerce_to_constr : Environ.env -> Value.t -> constr_under_binders
+
+val coerce_to_uconstr : Environ.env -> Value.t -> Glob_term.closed_glob_constr
+
+val coerce_to_closed_constr : Environ.env -> Value.t -> constr
+
+val coerce_to_evaluable_ref :
+  Environ.env -> Value.t -> evaluable_global_reference
+
+val coerce_to_constr_list : Environ.env -> Value.t -> constr list
+
+val coerce_to_intro_pattern_list :
+  Loc.t -> Environ.env -> Value.t -> Tacexpr.intro_patterns
+
+val coerce_to_hyp : Environ.env -> Value.t -> Id.t
+
+val coerce_to_hyp_list : Environ.env -> Value.t -> Id.t list
+
+val coerce_to_reference : Environ.env -> Value.t -> Globnames.global_reference
+
+val coerce_to_quantified_hypothesis : Value.t -> quantified_hypothesis
+
+val coerce_to_decl_or_quant_hyp : Environ.env -> Value.t -> quantified_hypothesis
+
+val coerce_to_int_or_var_list : Value.t -> int or_var list
+
+(** {5 Missing generic arguments} *)
+
+val wit_constr_context : (Empty.t, Empty.t, constr) genarg_type
+
+val wit_constr_under_binders : (Empty.t, Empty.t, constr_under_binders) genarg_type