branch for universe

[helm.git] / components / tactics / paramodulation / utils.mli

diff --git a/components/tactics/paramodulation/utils.mli b/components/tactics/paramodulation/utils.mli
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+(* Copyright (C) 2005, 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/.
+ *)
+
+(* (weight of constants, [(meta, weight_of_meta)]) *)
+
+val time : bool
+val debug : bool
+val debug_metas: bool
+val debug_res: bool
+
+type weight = int * (int * int) list;;
+
+type comparison = Lt | Le | Eq | Ge | Gt | Incomparable;;
+
+type environment = Cic.metasenv * Cic.context * CicUniv.universe_graph
+
+val print_metasenv: Cic.metasenv -> string
+
+val print_subst: ?prefix:string -> Cic.substitution -> string
+
+val string_of_weight: weight -> string
+
+val weight_of_term: 
+  ?consider_metas:bool ->
+  ?count_metas_occurrences:bool-> Cic.term -> weight
+
+val normalize_weight: int -> weight -> weight
+
+val string_of_comparison: comparison -> string
+
+val compare_weights: ?normalize:bool -> weight -> weight -> comparison
+
+val nonrec_kbo: Cic.term -> Cic.term -> comparison
+
+val rpo: Cic.term -> Cic.term -> comparison
+
+val nonrec_kbo_w: (Cic.term * weight) -> (Cic.term * weight) -> comparison
+
+val names_of_context: Cic.context -> (Cic.name option) list
+
+module TermMap: Map.S with type key = Cic.term
+
+val symbols_of_term: Cic.term -> int TermMap.t
+val set_goal_symbols: Cic.term -> unit
+
+val lpo: Cic.term -> Cic.term -> comparison
+
+val kbo: Cic.term -> Cic.term -> comparison
+
+val ao: Cic.term -> Cic.term -> comparison
+
+(** term-ordering function settable by the user *)
+val compare_terms: (Cic.term -> Cic.term -> comparison) ref
+
+val guarded_simpl:  ?debug:bool -> Cic.context -> Cic.term -> Cic.term
+
+type pos = Left | Right 
+
+val string_of_pos: pos -> string
+
+val compute_equality_weight: Cic.term * Cic.term * Cic.term * comparison -> int
+
+val debug_print: string Lazy.t -> unit
+
+val metas_of_term: Cic.term -> int list
+
+val remove_local_context: Cic.term -> Cic.term