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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
(* Utility functions over ML types. [update_args sp vl t] puts [vl]
as arguments behind every inductive types [(sp,_)]. *)
val update_args : section_path -> ml_type list -> ml_type -> ml_type
exception Found_sp
val sp_of_r : global_reference -> section_path
val parse_ml_type : section_path -> ml_type -> unit
(*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
val subst_glob_ast : global_reference -> ml_ast -> ml_ast -> ml_ast
(*s [collect_lambda MLlam(id1,...MLlam(idn,t)...)] returns
the list [idn;...;id1] and the term [t]. *)
val collect_lams : ml_ast -> identifier list * ml_ast
(* [named_abstract] is the converse of [collect_lambda]. *)
val named_lams : ml_ast -> identifier list -> ml_ast
val anonym_lams : ml_ast -> int -> ml_ast
(*s Some transformations of ML terms. [normalize] and [normalize_decl] 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) and iota redexes, plus some other
optimizations. *) (* TO UPDATE *)
val normalize : ml_ast -> ml_ast
val normalize_decl : ml_decl -> ml_decl
(*s Optimization. *)
val add_ml_decls :
extraction_params -> ml_decl list -> ml_decl list
val optimize :
extraction_params -> ml_decl list -> ml_decl list
|
