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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: pretyping.mli 13323 2010-07-24 15:57:30Z herbelin $ i*)
(*i*)
open Names
open Sign
open Term
open Environ
open Evd
open Rawterm
open Evarutil
(*i*)
(* An auxiliary function for searching for fixpoint guard indexes *)
val search_guard :
Util.loc -> env -> int list list -> rec_declaration -> int array
type typing_constraint = OfType of types option | IsType
type var_map = (identifier * Pattern.constr_under_binders) list
type unbound_ltac_var_map = (identifier * identifier option) list
type ltac_var_map = var_map * unbound_ltac_var_map
type rawconstr_ltac_closure = ltac_var_map * rawconstr
module type S =
sig
module Cases : Cases.S
(* Allow references to syntaxically inexistent variables (i.e., if applied on an inductive) *)
val allow_anonymous_refs : bool ref
(* Generic call to the interpreter from rawconstr to open_constr, leaving
unresolved holes as evars and returning the typing contexts of
these evars. Work as [understand_gen] for the rest. *)
val understand_tcc : ?resolve_classes:bool ->
evar_map -> env -> ?expected_type:types -> rawconstr -> open_constr
val understand_tcc_evars : ?fail_evar:bool -> ?resolve_classes:bool ->
evar_map ref -> env -> typing_constraint -> rawconstr -> constr
(* More general entry point with evars from ltac *)
(* Generic call to the interpreter from rawconstr to constr, failing
unresolved holes in the rawterm cannot be instantiated.
In [understand_ltac expand_evars sigma env ltac_env constraint c],
expand_evars : expand inferred evars by their value if any
sigma : initial set of existential variables (typically dependent subgoals)
ltac_env : partial substitution of variables (used for the tactic language)
constraint : tell if interpreted as a possibly constrained term or a type
*)
val understand_ltac :
bool -> evar_map -> env -> ltac_var_map ->
typing_constraint -> rawconstr -> evar_map * constr
(* Standard call to get a constr from a rawconstr, resolving implicit args *)
val understand : evar_map -> env -> ?expected_type:Term.types ->
rawconstr -> constr
(* Idem but the rawconstr is intended to be a type *)
val understand_type : evar_map -> env -> rawconstr -> constr
(* A generalization of the two previous case *)
val understand_gen : typing_constraint -> evar_map -> env ->
rawconstr -> constr
(* Idem but returns the judgment of the understood term *)
val understand_judgment : evar_map -> env -> rawconstr -> unsafe_judgment
(* Idem but do not fail on unresolved evars *)
val understand_judgment_tcc : evar_map ref -> env -> rawconstr -> unsafe_judgment
(*i*)
(* Internal of Pretyping...
*)
val pretype :
type_constraint -> env -> evar_map ref ->
ltac_var_map -> rawconstr -> unsafe_judgment
val pretype_type :
val_constraint -> env -> evar_map ref ->
ltac_var_map -> rawconstr -> unsafe_type_judgment
val pretype_gen :
bool -> bool -> bool -> evar_map ref -> env ->
ltac_var_map -> typing_constraint -> rawconstr -> constr
(*i*)
end
module Pretyping_F (C : Coercion.S) : S
module Default : S
(* To embed constr in rawconstr *)
val constr_in : constr -> Dyn.t
val constr_out : Dyn.t -> constr
val interp_sort : rawsort -> sorts
val interp_elimination_sort : rawsort -> sorts_family
|
