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.
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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 *)
34 (* objects. Uses the getter (getter.ml) and the parser (cicParser.ml) *)
36 (******************************************************************************)
38 exception CircularDependency of string;;
41 (* returns the cic object whose uri is uri. If the term is not just in cache, *)
42 (* then it is parsed via CicParser.term_of_xml from the file whose name is *)
43 (* the result of Getter.get uri *)
44 val get_obj : UriManager.uri -> Cic.obj
46 type type_checked_obj =
47 CheckedObj of Cic.obj (* cooked obj *)
48 | UncheckedObj of Cic.obj (* uncooked obj *)
50 (* is_type_checked uri cookingsno *)
51 (*CSC commento falso ed obsoleto *)
52 (* returns (true,object) if the object has been type-checked *)
53 (* otherwise it returns (false,object) and freeze the object for *)
55 (* set_type_checking_info must be called to unfreeze the object *)
56 val is_type_checked : ?trust:bool -> UriManager.uri -> type_checked_obj
58 (* set_type_checking_info uri *)
59 (* must be called once the type-checking of uri is finished *)
60 (* The object whose uri is uri is unfreezed and won't be type-checked *)
61 (* again in the future (is_type_checked will return true) *)
62 val set_type_checking_info : UriManager.uri -> unit
64 (* get_cooked_obj ~trust uri *)
65 (* returns the object if it is already type-checked or if it can be *)
66 (* trusted (if [trust] = true and the trusting function accepts it) *)
67 (* Otherwise it raises Not_found *)
68 val get_cooked_obj : ?trust:bool -> UriManager.uri -> Cic.obj
70 (* FUNCTIONS USED ONLY IN THE TOPLEVEL/PROOF-ENGINE *)
72 exception OnlyPutOfInductiveDefinitionsIsAllowed
74 (* put_inductive_definition uri obj *)
75 (* put [obj] (that must be an InductiveDefinition and show URI is [uri]) *)
76 (* in the environment. *)
77 (* WARNING: VERY UNSAFE. *)
78 (* This function should be called only on a well-typed definition. *)
79 val put_inductive_definition : UriManager.uri -> Cic.obj -> unit