1/* Input parser for Bison 2 3 Copyright (C) 2000-2003, 2005-2007, 2009-2012 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# include "named-ref.h" 27 28# include "parse-gram.h" 29 30typedef struct merger_list 31{ 32 struct merger_list* next; 33 uniqstr name; 34 uniqstr type; 35 location type_declaration_location; 36} merger_list; 37 38/* From the parser. */ 39extern int gram_debug; 40int gram_parse (void); 41char const *token_name (int type); 42 43 44/* From reader.c. */ 45void grammar_start_symbol_set (symbol *sym, location loc); 46void grammar_current_rule_begin (symbol *lhs, location loc, 47 named_ref *lhs_named_ref); 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, 54 named_ref *nref); 55void grammar_current_rule_action_append (const char *action, location loc, 56 named_ref *nref); 57void reader (void); 58void free_merger_functions (void); 59 60extern merger_list *merge_functions; 61 62/* Was %union seen? */ 63extern bool union_seen; 64 65/* Was a tag seen? */ 66extern bool tag_seen; 67 68/* Should rules have a default precedence? */ 69extern bool default_prec; 70 71#endif /* !READER_H_ */ 72