X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Finterface%2FcicCache.ml;fp=helm%2Finterface%2FcicCache.ml;h=0000000000000000000000000000000000000000;hp=6ae536caf4aca33c381bb83bee04ba79404eee9e;hb=869549224eef6278a48c16ae27dd786376082b38;hpb=89262281b6e83bd2321150f81f1a0583645eb0c8 diff --git a/helm/interface/cicCache.ml b/helm/interface/cicCache.ml deleted file mode 100644 index 6ae536caf..000000000 --- a/helm/interface/cicCache.ml +++ /dev/null @@ -1,212 +0,0 @@ -(* 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/. - *) - -(******************************************************************************) -(* *) -(* PROJECT HELM *) -(* *) -(* Claudio Sacerdoti Coen *) -(* 24/01/2000 *) -(* *) -(* This module implements a trival cache system (an hash-table) for cic *) -(* objects. Uses the getter (getter.ml) and the parser (cicParser.ml) *) -(* *) -(******************************************************************************) - -let raise e = print_endline "***" ; flush stdout ; print_endline (Printexc.to_string e) ; flush stdout ; raise e;; - -(*CSC: forse i due seguenti tipi sono da unificare? *) -type cooked_obj = - Cooked of Cic.obj - | Frozen of Cic.obj - | Unchecked of Cic.obj -type type_checked_obj = - CheckedObj of Cic.obj (* cooked obj *) - | UncheckedObj of Cic.obj (* uncooked obj *) -;; - -exception NoFunctionProvided;; - -(* CSC: da sostituire con un (...) option ref *) -let cook_obj = ref (fun obj uri -> raise NoFunctionProvided);; - -exception CircularDependency of string;; -exception CouldNotUnfreeze of string;; -exception Impossible;; -exception UncookedObj;; - -module HashedType = - struct - type t = UriManager.uri * int (* uri, livello di cottura *) - let equal (u1,n1) (u2,n2) = UriManager.eq u1 u2 && n1 = n2 - let hash = Hashtbl.hash - end -;; - -(* Hashtable that uses == instead of = for testing equality *) -module HashTable = Hashtbl.Make(HashedType);; - -let hashtable = HashTable.create 271;; - -(* n is the number of time that the object must be cooked *) -let get_obj_and_type_checking_info uri n = - try - HashTable.find hashtable (uri,n) - with - Not_found -> - try - match HashTable.find hashtable (uri,0) with - Cooked _ - | Frozen _ -> raise Impossible - | Unchecked _ as t -> t - with - Not_found -> - let filename = Getter.get uri in - let (annobj,_) = CicParser.term_of_xml filename uri false in - let obj = Deannotate.deannotate_obj annobj in - let output = Unchecked obj in - HashTable.add hashtable (uri,0) output ; - output -;; - -(* DANGEROUS!!! *) -(* USEFUL ONLY DURING THE FIXING OF THE FILES *) -(* change_obj uri (Some newobj) *) -(* maps uri to newobj in cache. *) -(* change_obj uri None *) -(* maps uri to a freeze dummy-object. *) -let change_obj uri newobj = - let newobj = - match newobj with - Some newobj' -> Unchecked newobj' - | None -> Frozen (Cic.Variable ("frozen-dummy", None, Cic.Implicit)) - in - HashTable.remove hashtable (uri,0) ; - HashTable.add hashtable (uri,0) newobj -;; - -let is_annotation_uri uri = - Str.string_match (Str.regexp ".*\.ann$") (UriManager.string_of_uri uri) 0 -;; - -(* returns both the annotated and deannotated uncooked forms (plus the *) -(* map from ids to annotation targets) *) -let get_annobj_and_type_checking_info uri = - let filename = Getter.get uri in - match CicParser.term_of_xml filename uri true with - (_, None) -> raise Impossible - | (annobj, Some ids_to_targets) -> - (* If uri is the uri of an annotation, let's use the annotation file *) - if is_annotation_uri uri then - AnnotationParser.annotate (Getter.get_ann uri) ids_to_targets ; - try - (annobj, ids_to_targets, HashTable.find hashtable (uri,0)) - with - Not_found -> - let obj = Deannotate.deannotate_obj annobj in - let output = Unchecked obj in - HashTable.add hashtable (uri,0) output ; - (annobj, ids_to_targets, output) -;; - - -(* get_obj uri *) -(* returns the cic object whose uri is uri. If the term is not just in cache, *) -(* then it is parsed via CicParser.term_of_xml from the file whose name is *) -(* the result of Getter.get uri *) -let get_obj uri = - match get_obj_and_type_checking_info uri 0 with - Unchecked obj -> obj - | Frozen obj -> obj - | Cooked obj -> obj -;; - -(* get_annobj uri *) -(* returns the cic object whose uri is uri either in annotated and *) -(* deannotated form. The term is put into the cache if it's not there yet. *) -let get_annobj uri = - let (ann, ids_to_targets, deann) = get_annobj_and_type_checking_info uri in - let deannobj = - match deann with - Unchecked obj -> obj - | Frozen _ -> raise (CircularDependency (UriManager.string_of_uri uri)) - | Cooked obj -> obj - in - (ann, ids_to_targets, deannobj) -;; - -(*CSC Commento falso *) -(* get_obj uri *) -(* returns the cooked cic object whose uri is uri. The term must be present *) -(* and cooked in cache *) -let rec get_cooked_obj uri cookingsno = - match get_obj_and_type_checking_info uri cookingsno with - Unchecked _ - | Frozen _ -> raise UncookedObj - | Cooked obj -> obj -;; - -(* is_type_checked uri *) -(* CSC: commento falso ed obsoleto *) -(* returns true if the term has been type-checked *) -(* otherwise it returns false and freeze the term for type-checking *) -(* set_type_checking_info must be called to unfreeze the term *) -let is_type_checked uri cookingsno = - match get_obj_and_type_checking_info uri cookingsno with - Cooked obj -> CheckedObj obj - | Unchecked obj -> - HashTable.remove hashtable (uri,0) ; - HashTable.add hashtable (uri,0) (Frozen obj) ; - UncheckedObj obj - | Frozen _ -> raise (CircularDependency (UriManager.string_of_uri uri)) -;; - -(* set_type_checking_info uri *) -(* must be called once the type-checking of uri is finished *) -(* The object whose uri is uri is unfreezed *) -let set_type_checking_info uri = - match HashTable.find hashtable (uri,0) with - Frozen obj -> - (* let's cook the object at every level *) - HashTable.remove hashtable (uri,0) ; - let obj' = CicSubstitution.undebrujin_inductive_def uri obj in - HashTable.add hashtable (uri,0) (Cooked obj') ; - let cooked_objs = !cook_obj obj' uri in - let last_cooked_level = ref 0 in - let last_cooked_obj = ref obj' in - List.iter - (fun (n,cobj) -> - for i = !last_cooked_level + 1 to n do - HashTable.add hashtable (uri,i) (Cooked !last_cooked_obj) - done ; - HashTable.add hashtable (uri,n + 1) (Cooked cobj) ; - last_cooked_level := n + 1 ; - last_cooked_obj := cobj - ) cooked_objs ; - for i = !last_cooked_level + 1 to UriManager.depth_of_uri uri + 1 do - HashTable.add hashtable (uri,i) (Cooked !last_cooked_obj) - done - | _ -> raise (CouldNotUnfreeze (UriManager.string_of_uri uri)) -;;