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(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(*i $Id$ i*)
open Names
open Term
open Miniml
(*s Special identifiers. [prop_name] is to be used for propositions
and will be printed as [_] in concrete (Caml) code. *)
val anonymous : identifier
val prop_name : identifier
(*s Utility functions over ML terms. [occurs n t] checks whether [Rel
n] occurs (freely) in [t]. [ml_lift] is de Bruijn
lifting. [ml_subst e t] substitutes [e] for [Rel 1] in [t]. *)
val occurs : int -> ml_ast -> bool
val ml_lift : int -> ml_ast -> ml_ast
val ml_subst : ml_ast -> ml_ast -> ml_ast
(*s Some transformations of ML terms. [betared_ast] and [betared_ecl] reduce
all beta redexes (when the argument does not occur, it is just
thrown away; when it occurs exactly once it is substituted; otherwise
a let in redex is created for clarity) *)
val betared_ast : ml_ast -> ml_ast
val betared_decl : ml_decl -> ml_decl
val uncurrify_ast : ml_ast -> ml_ast
val uncurrify_decl : ml_decl -> ml_decl
(*s Optimization. *)
module Refset : Set.S with type elt = global_reference
type extraction_params = {
modular : bool; (* modular extraction *)
optimization : bool; (* we need optimization *)
to_keep : Refset.t; (* globals to keep *)
to_expand : Refset.t; (* globals to expand *)
}
val optimize : extraction_params -> ml_decl list -> ml_decl list
(*s Table for direct extractions to ML values. *)
val is_ml_extraction : global_reference -> bool
val find_ml_extraction : global_reference -> string
val ml_extractions : unit -> Refset.t
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