diff options
Diffstat (limited to 'contrib/extraction/mlutil.mli')
-rw-r--r-- | contrib/extraction/mlutil.mli | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/contrib/extraction/mlutil.mli b/contrib/extraction/mlutil.mli new file mode 100644 index 00000000..eaf38778 --- /dev/null +++ b/contrib/extraction/mlutil.mli @@ -0,0 +1,111 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(************************************************************************) + +(*i $Id: mlutil.mli,v 1.47.2.1 2004/07/16 19:30:08 herbelin Exp $ i*) + +open Util +open Names +open Term +open Libnames +open Miniml + +(*s Utility functions over ML types with meta. *) + +val reset_meta_count : unit -> unit +val new_meta : 'a -> ml_type + +val type_subst : int -> ml_type -> ml_type -> ml_type +val type_subst_list : ml_type list -> ml_type -> ml_type +val type_subst_vect : ml_type array -> ml_type -> ml_type + +val instantiation : ml_schema -> ml_type + +val needs_magic : ml_type * ml_type -> bool +val put_magic_if : bool -> ml_ast -> ml_ast +val put_magic : ml_type * ml_type -> ml_ast -> ml_ast + +(*s ML type environment. *) + +module Mlenv : sig + type t + val empty : t + + (* get the n-th more recently entered schema and instantiate it. *) + val get : t -> int -> ml_type + + (* Adding a type in an environment, after generalizing free meta *) + val push_gen : t -> ml_type -> t + + (* Adding a type with no [Tvar] *) + val push_type : t -> ml_type -> t + + (* Adding a type with no [Tvar] nor [Tmeta] *) + val push_std_type : t -> ml_type -> t +end + +(*s Utility functions over ML types without meta *) + +val type_mem_kn : kernel_name -> ml_type -> bool + +val type_maxvar : ml_type -> int + +val type_decomp : ml_type -> ml_type list * ml_type +val type_recomp : ml_type list * ml_type -> ml_type + +val var2var' : ml_type -> ml_type + +type abbrev_map = global_reference -> ml_type option + +val type_expand : abbrev_map -> ml_type -> ml_type +val type_eq : abbrev_map -> ml_type -> ml_type -> bool +val type_neq : abbrev_map -> ml_type -> ml_type -> bool +val type_to_sign : abbrev_map -> ml_type -> bool list +val type_expunge : abbrev_map -> ml_type -> ml_type + +val case_expunge : bool list -> ml_ast -> identifier list * ml_ast +val term_expunge : bool list -> identifier list * ml_ast -> ml_ast + + +(*s Special identifiers. [dummy_name] is to be used for dead code + and will be printed as [_] in concrete (Caml) code. *) + +val anonymous : identifier +val dummy_name : identifier +val id_of_name : name -> identifier + +(*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 +val collect_n_lams : int -> ml_ast -> identifier list * ml_ast +val nb_lams : ml_ast -> int + +val dummy_lams : ml_ast -> int -> ml_ast +val anonym_or_dummy_lams : ml_ast -> bool list -> ml_ast + +val eta_args_sign : int -> bool list -> ml_ast list + +(*s Utility functions over ML terms. *) + +val ast_map : (ml_ast -> ml_ast) -> ml_ast -> ml_ast +val ast_map_lift : (int -> ml_ast -> ml_ast) -> int -> ml_ast -> ml_ast +val ast_iter : (ml_ast -> unit) -> ml_ast -> unit +val ast_occurs : int -> ml_ast -> bool +val ast_occurs_itvl : int -> int -> ml_ast -> bool +val ast_lift : int -> ml_ast -> ml_ast +val ast_pop : ml_ast -> ml_ast +val ast_subst : ml_ast -> ml_ast -> ml_ast + +val ast_glob_subst : ml_ast KNmap.t -> ml_ast -> ml_ast + +val normalize : ml_ast -> ml_ast +val optimize_fix : ml_ast -> ml_ast +val inline : global_reference -> ml_ast -> bool + + + |