-(* Copyright (C) 2000, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
+
+(* $Id$ *)
val whd :
- ?delta:int -> ?subst:NCic.substitution ->
+ ?delta:int -> subst:NCic.substitution ->
NCic.context -> NCic.term ->
NCic.term
-val are_convertible :
- ?subst:NCic.substitution -> ?metasenv:NCic.metasenv ->
- NCic.context -> NCic.term -> NCic.term ->
- bool
+val set_get_relevance :
+ (metasenv:NCic.metasenv -> subst:NCic.substitution ->
+ NCic.context -> NCic.term -> NCic.term list -> bool list) -> unit
+
+val are_convertible :
+ metasenv:NCic.metasenv -> subst:NCic.substitution ->
+ NCic.context -> NCic.term -> NCic.term -> bool
+
(* performs head beta/(delta)/cast reduction; the default is to not perform
delta reduction; if provided, ~upto is the maximum number of beta redexes
reduced *)
val head_beta_reduce: ?delta:int -> ?upto:int -> NCic.term -> NCic.term
+
+type stack_item
+type environment_item
+
+type machine = int * environment_item list * NCic.term * stack_item list
+
+val reduce_machine :
+ delta:int -> ?subst:NCic.substitution -> NCic.context -> machine ->
+ machine * bool
+val from_stack : stack_item -> machine
+val unwind : machine -> NCic.term
+