1 (* Copyright (C) 2005, 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://helm.cs.unibo.it/
28 exception UnableToInclude of string
30 (* statements meaningful for matitadep *)
32 | IncludeDep of string
33 | UriDep of UriManager.uri
35 let pp_dependency = function
36 | IncludeDep str -> "include \"" ^ str ^ "\""
37 | UriDep uri -> "uri \"" ^ UriManager.string_of_uri uri ^ "\""
39 let parse_dependencies lexbuf =
41 CicNotationLexer.level2_ast_lexer.Token.tok_func (Obj.magic lexbuf)
46 | [< '("QSTRING", s) >] ->
47 (* because of alias id qstring = qstring :-( *)
49 parse (UriDep (UriManager.uri_of_string s) :: acc)
51 UriManager.IllFormedUri _ -> parse acc)
52 | [< '("URI", u) >] ->
53 parse (UriDep (UriManager.uri_of_string u) :: acc)
54 | [< '("IDENT", "include"); '("QSTRING", fname) >] ->
55 parse (IncludeDep fname :: acc)
56 | [< '("IDENT", "include'"); '("QSTRING", fname) >] ->
57 parse (IncludeDep fname :: acc)
58 | [< '("EOI", _) >] -> acc
59 | [< 'tok >] -> parse acc
60 | [< >] -> acc) tok_stream
62 Stream.Error _ -> parse acc
63 | CicNotationLexer.Error _ -> parse acc
67 let deps_of_file ma_file =
69 let ic = open_in ma_file in
70 let istream = Ulexing.from_utf8_channel ic in
71 let dependencies = parse_dependencies istream in
74 with End_of_file -> []