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/.
31 let _ = Parsing.set_trace debug
35 %token EOF MINUS PLUS TIMES AT FS CN CM SC QT TD OP CP OB CB OA CA
36 %token TYPE PROP DEF EB E PN EXIT
39 %type <Aut.command option * bool> entry
41 path: MINUS {} | FS {} ;
42 oftype: CN {} | CM {} ;
43 star: TIMES {} | AT {} ;
44 sc: E {} | SC {} | CN {} ;
58 | IDENT path idents { $1 :: $3 }
61 | IDENT { ($1, true, []) }
62 | IDENT QT QT { ($1, true, []) }
63 | IDENT QT local idents QT { ($1, $3, $4) }
66 | TYPE { A.Sort true }
67 | PROP { A.Sort false }
68 | qid { A.GRef ($1, []) }
69 | qid OP CP { A.GRef ($1, []) }
70 | qid OP terms CP { A.GRef ($1, $3) }
71 | OA term CA term { A.Appl ($2, $4) }
72 | OB IDENT oftype term CB term { A.Abst ($2, $4, $6) }
76 | term CM terms { $1 :: $3 }
80 | PLUS {} | MINUS {} | EXIT {} | eof {}
81 | star {} | IDENT {} | OB {}
84 | PLUS IDENT { Some (A.Section (Some (true, $2))) }
85 | PLUS TIMES IDENT { Some (A.Section (Some (false, $3))) }
86 | MINUS IDENT { Some (A.Section None) }
87 | EXIT { Some (A.Section None) }
88 | star { Some (A.Context None) }
89 | qid star { Some (A.Context (Some $1)) }
90 | IDENT DEF EB sc term { Some (A.Block ($1, $5)) }
91 | IDENT sc term DEF EB { Some (A.Block ($1, $3)) }
92 | OB IDENT oftype term CB { Some (A.Block ($2, $4)) }
93 | IDENT DEF PN sc term { Some (A.Decl ($1, $5)) }
94 | IDENT sc term DEF PN { Some (A.Decl ($1, $3)) }
95 | IDENT DEF expand term sc term { Some (A.Def ($1, $6, $3, $4)) }
96 | IDENT sc term DEF expand term { Some (A.Def ($1, $3, $5, $6)) }
100 | entity { $1, false }
101 | entity start { $1, true }