1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 (******************************************************************************)
30 (* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
33 (* This module implements a trival cache system (an hash-table) for cic *)(* objects. Uses the getter (getter.ml) and the parser (cicParser.ml) *)(* *)
34 (******************************************************************************)
36 exception CircularDependency of string;;
39 (* returns the cic object whose uri is uri. If the term is not just in cache, *)
40 (* then it is parsed via CicParser.term_of_xml from the file whose name is *)
41 (* the result of Getter.get uri *)
42 val get_obj : UriManager.uri -> Cic.obj
45 (* returns the cic object whose uri is uri either in annotated and in *)
46 (* deannotated form. It returns also the map from ids to annotation targets. *)
47 (* The term is put in cache if it's not there yet. *)
48 (* The functions raise CircularDependency if asked to retrieve a Frozen object*)
50 UriManager.uri -> Cic.annobj * (Cic.id, Cic.anntarget) Hashtbl.t * Cic.obj
53 (* USEFUL ONLY DURING THE FIXING OF THE FILES *)
54 (* change_obj uri (Some newobj) *)
55 (* maps uri to newobj in cache. *)
56 (* change_obj uri None *)
57 (* maps uri to a freeze dummy-object. *)
58 val change_obj : UriManager.uri -> Cic.obj option -> unit
60 type type_checked_obj =
61 CheckedObj of Cic.obj (* cooked obj *)
62 | UncheckedObj of Cic.obj (* uncooked obj *)
64 (* is_type_checked uri cookingsno *)
65 (*CSC commento falso ed obsoleto *)
66 (* returns (true,object) if the object has been type-checked *)
67 (* otherwise it returns (false,object) and freeze the object for *)
69 (* set_type_checking_info must be called to unfreeze the object *)
70 val is_type_checked : UriManager.uri -> int -> type_checked_obj
72 (* set_type_checking_info uri *)
73 (* must be called once the type-checking of uri is finished *)
74 (* The object whose uri is uri is unfreezed and won't be type-checked *)
75 (* again in the future (is_type_checked will return true) *)
76 val set_type_checking_info : UriManager.uri -> unit
78 (* get_cooked_obj uri cookingsno *)
79 val get_cooked_obj : UriManager.uri -> int -> Cic.obj
81 val cook_obj : (Cic.obj -> UriManager.uri -> (int * Cic.obj) list) ref