| 1 | /* Input parser for Bison |
| 2 | |
| 3 | Copyright (C) 2000-2003, 2005-2007, 2009-2010 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_ */ |