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| 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 This program 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 3 of the License, or |
| 11 (at your option) any later version. |
| 12 |
| 13 This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 |
| 21 #ifndef READER_H_ |
| 22 # define READER_H_ |
| 23 |
| 24 # include "location.h" |
| 25 # include "symlist.h" |
| 26 |
| 27 # include "parse-gram.h" |
| 28 |
| 29 typedef struct merger_list |
| 30 { |
| 31 struct merger_list* next; |
| 32 uniqstr name; |
| 33 uniqstr type; |
| 34 location type_declaration_location; |
| 35 } merger_list; |
| 36 |
| 37 /* From the parser. */ |
| 38 extern int gram_debug; |
| 39 int gram_parse (void); |
| 40 char const *token_name (int type); |
| 41 |
| 42 |
| 43 /* From reader.c. */ |
| 44 void grammar_start_symbol_set (symbol *sym, location loc); |
| 45 void grammar_current_rule_begin (symbol *lhs, location loc); |
| 46 void grammar_current_rule_end (location loc); |
| 47 void grammar_midrule_action (void); |
| 48 void grammar_current_rule_prec_set (symbol *precsym, location loc); |
| 49 void grammar_current_rule_dprec_set (int dprec, location loc); |
| 50 void grammar_current_rule_merge_set (uniqstr name, location loc); |
| 51 void grammar_current_rule_symbol_append (symbol *sym, location loc); |
| 52 void grammar_current_rule_action_append (const char *action, location loc); |
| 53 void reader (void); |
| 54 void free_merger_functions (void); |
| 55 |
| 56 extern merger_list *merge_functions; |
| 57 |
| 58 /* Was %union seen? */ |
| 59 extern bool union_seen; |
| 60 |
| 61 /* Was a tag seen? */ |
| 62 extern bool tag_seen; |
| 63 |
| 64 /* Should rules have a default precedence? */ |
| 65 extern bool default_prec; |
| 66 |
| 67 #endif /* !READER_H_ */ |
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