]> git.saurik.com Git - bison.git/blame_incremental - src/reader.h
2007-01-30 Paolo Bonzini <bonzini@gnu.org>
[bison.git] / src / reader.h
... / ...
CommitLineData
1/* Input parser for Bison
2
3 Copyright (C) 2000, 2001, 2002, 2003, 2005, 2006, 2007 Free Software
4 Foundation, Inc.
5
6 This file is part of Bison, the GNU Compiler Compiler.
7
8 Bison is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 Bison is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with Bison; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
22
23#ifndef READER_H_
24# define READER_H_
25
26# include "location.h"
27# include "symlist.h"
28
29# include "parse-gram.h"
30
31typedef struct merger_list
32{
33 struct merger_list* next;
34 uniqstr name;
35 uniqstr type;
36 location type_declaration_location;
37} merger_list;
38
39/* From the parser. */
40extern int gram_debug;
41int gram_parse (void);
42char const *token_name (int type);
43
44
45/* From reader.c. */
46void grammar_start_symbol_set (symbol *sym, location loc);
47void grammar_current_rule_begin (symbol *lhs, location loc);
48void grammar_current_rule_end (location loc);
49void grammar_midrule_action (void);
50void grammar_current_rule_prec_set (symbol *precsym, location loc);
51void grammar_current_rule_dprec_set (int dprec, location loc);
52void grammar_current_rule_merge_set (uniqstr name, location loc);
53void grammar_current_rule_symbol_append (symbol *sym, location loc);
54void grammar_current_rule_action_append (const char *action, location loc);
55void reader (void);
56void free_merger_functions (void);
57
58extern merger_list *merge_functions;
59
60/* Was %union seen? */
61extern bool union_seen;
62
63/* Was a tag seen? */
64extern bool tag_seen;
65
66/* Should rules have a default precedence? */
67extern bool default_prec;
68
69#endif /* !READER_H_ */