This commit was manufactured by cvs2svn to create branch 'moogle'.

[helm.git] / helm / ocaml / tactics / proofEngineHelpers.ml

diff --git a/helm/ocaml/tactics/proofEngineHelpers.ml b/helm/ocaml/tactics/proofEngineHelpers.ml
deleted file mode 100644 (file)
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--- a/helm/ocaml/tactics/proofEngineHelpers.ml
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@@ -1,98 +0,0 @@
-(* Copyright (C) 2002, 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/.
- *)
-
-let new_meta_of_proof ~proof:(_, metasenv, _, _) =
-  CicMkImplicit.new_meta metasenv
-
-let subst_meta_in_proof proof meta term newmetasenv =
- let uri,metasenv,bo,ty = proof in
-  let subst_in = CicMetaSubst.apply_subst [meta,term] in
-   let metasenv' =
-    newmetasenv @ (List.filter (function (m,_,_) -> m <> meta) metasenv)
-   in
-    let metasenv'' =
-     List.map
-      (function i,canonical_context,ty ->
-        let canonical_context' =
-         List.map
-          (function
-              Some (n,Cic.Decl s) -> Some (n,Cic.Decl (subst_in s))
-            | Some (n,Cic.Def (s,None)) -> Some (n,Cic.Def ((subst_in s),None))
-            | None -> None
-            | Some (_,Cic.Def (_,Some _)) -> assert false
-          ) canonical_context
-        in
-         i,canonical_context',(subst_in ty)
-      ) metasenv'
-    in
-     let bo' = subst_in bo in
-     (* Metavariables can appear also in the *statement* of the theorem
-      * since the parser does not reject as statements terms with
-      * metavariable therein *)
-     let ty' = subst_in ty in
-      let newproof = uri,metasenv'',bo',ty' in
-       (newproof, metasenv'')
-
-(*CSC: commento vecchio *)
-(* refine_meta_with_brand_new_metasenv meta term subst_in newmetasenv     *)
-(* This (heavy) function must be called when a tactic can instantiate old *)
-(* metavariables (i.e. existential variables). It substitues the metasenv *)
-(* of the proof with the result of removing [meta] from the domain of     *)
-(* [newmetasenv]. Then it replaces Cic.Meta [meta] with [term] everywhere *)
-(* in the current proof. Finally it applies [apply_subst_replacing] to    *)
-(*  current proof.                                                        *)
-(*CSC: A questo punto perche' passare un bo' gia' istantiato, se tanto poi *)
-(*CSC: ci ripasso sopra apply_subst!!!                                     *)
-(*CSC: Attenzione! Ora questa funzione applica anche [subst_in] a *)
-(*CSC: [newmetasenv].                                             *)
-let subst_meta_and_metasenv_in_proof proof meta subst_in newmetasenv =
- let (uri,_,bo,ty) = proof in
-  let bo' = subst_in bo in
-  (* Metavariables can appear also in the *statement* of the theorem
-   * since the parser does not reject as statements terms with
-   * metavariable therein *)
-  let ty' = subst_in ty in
-  let metasenv' =
-   List.fold_right
-    (fun metasenv_entry i ->
-      match metasenv_entry with
-         (m,canonical_context,ty) when m <> meta ->
-           let canonical_context' =
-            List.map
-             (function
-                 None -> None
-               | Some (i,Cic.Decl t) -> Some (i,Cic.Decl (subst_in t))
-               | Some (i,Cic.Def (t,None))  ->
-                  Some (i,Cic.Def ((subst_in t),None))
-               | Some (_,Cic.Def (_,Some _))  -> assert false
-             ) canonical_context
-           in
-            (m,canonical_context',subst_in ty)::i
-       | _ -> i
-    ) newmetasenv []
-  in
-   let newproof = uri,metasenv',bo',ty' in
-    (newproof, metasenv')
-