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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) *)
(************************************************************************)
(** Interpretation layer of redexprs such as hnf, cbv, etc. *)
open Constr
open EConstr
open Pattern
open Genredexpr
open Reductionops
open Locus
type red_expr = (constr, Evaluable.t, constr_pattern, int) red_expr_gen
type red_expr_val
val out_occurrences : occurrences_expr -> occurrences
val out_with_occurrences : 'a with_occurrences_expr -> 'a with_occurrences
val eval_red_expr : Environ.env -> red_expr -> red_expr_val
val reduction_of_red_expr_val : ?occs:(Locus.occurrences * int) ->
red_expr_val -> e_reduction_function * cast_kind
(** Composition of {!reduction_of_red_expr_val} with {!eval_red_expr} *)
val reduction_of_red_expr :
Environ.env -> red_expr -> e_reduction_function * cast_kind
(** [true] if we should use the vm to verify the reduction *)
(** Adding a custom reduction (function to be use at the ML level)
NB: the effect is permanent. *)
val declare_reduction : string -> reduction_function -> unit
(** Adding a custom reduction (function to be called a vernac command).
The boolean flag is the locality. *)
val declare_red_expr : bool -> string -> red_expr -> unit
(** Opaque and Transparent commands. *)
(** Sets the expansion strategy of a constant. When the boolean is
true, the effect is non-synchronous (i.e. it does not survive
section and module closure). *)
val set_strategy :
bool -> (Conv_oracle.level * Evaluable.t list) list -> unit
(** call by value normalisation function using the virtual machine *)
val cbv_vm : reduction_function
(** [subst_red_expr sub c] performs the substitution [sub] on all kernel
names appearing in [c] *)
val subst_red_expr : Mod_subst.substitution -> red_expr -> red_expr
val wit_red_expr : (raw_red_expr, glob_red_expr, red_expr) Genarg.genarg_type
module Intern : sig
open Libnames
open Constrexpr
open Names
type ('constr,'ref,'pat) intern_env = {
strict_check : bool;
local_ref : qualid -> 'ref option;
global_ref : ?short:lident -> Evaluable.t -> 'ref;
intern_constr : constr_expr -> 'constr;
ltac_sign : Constrintern.ltac_sign;
intern_pattern : constr_expr -> 'pat;
pattern_of_glob : Glob_term.glob_constr -> 'pat;
}
val intern_red_expr : ('a,'b,'c) intern_env -> raw_red_expr -> ('a,'b,'c, int Locus.or_var) red_expr_gen
val from_env : Environ.env -> (Glob_term.glob_constr, Evaluable.t, Glob_term.glob_constr) intern_env
end
module Interp : sig
open Names
type ('constr,'evref,'pat) interp_env = {
interp_occurrence_var : lident -> int list;
interp_constr : Environ.env -> Evd.evar_map -> 'constr -> Evd.evar_map * EConstr.constr;
interp_constr_list : Environ.env -> Evd.evar_map -> 'constr -> Evd.evar_map * EConstr.constr list;
interp_evaluable : Environ.env -> Evd.evar_map -> 'evref -> Evaluable.t;
interp_pattern : Environ.env -> Evd.evar_map -> 'pat -> constr_pattern;
interp_evaluable_or_pattern : Environ.env -> Evd.evar_map
-> 'evref -> (Evaluable.t, constr_pattern) Util.union
}
val interp_red_expr : ('constr,'evref,'pat) interp_env -> Environ.env -> Evd.evar_map
-> ('constr,'evref,'pat, int Locus.or_var) red_expr_gen -> Evd.evar_map * red_expr
val without_ltac : (Glob_term.glob_constr, Evaluable.t, Glob_term.glob_constr) interp_env
end
val interp_redexp_no_ltac : Environ.env -> Evd.evar_map -> raw_red_expr -> Evd.evar_map * red_expr
|
