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 30 typedef 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. */ 39 extern int gram_debug; 40 int gram_parse (void); 41 char const *token_name (int type); 42 43 44 /* From reader.c. */ 45 void grammar_start_symbol_set (symbol *sym, location loc); 46 void grammar_current_rule_begin (symbol *lhs, location loc, 47 named_ref *lhs_named_ref); 48 void grammar_current_rule_end (location loc); 49 void grammar_midrule_action (void); 50 void grammar_current_rule_prec_set (symbol *precsym, location loc); 51 void grammar_current_rule_dprec_set (int dprec, location loc); 52 void grammar_current_rule_merge_set (uniqstr name, location loc); 53 void grammar_current_rule_symbol_append (symbol *sym, location loc, 54 named_ref *nref); 55 void grammar_current_rule_action_append (const char *action, location loc, 56 named_ref *nref); 57 void reader (void); 58 void free_merger_functions (void); 59 60 extern merger_list *merge_functions; 61 62 /* Was %union seen? */ 63 extern bool union_seen; 64 65 /* Was a tag seen? */ 66 extern bool tag_seen; 67 68 /* Should rules have a default precedence? */ 69 extern bool default_prec; 70 71 #endif /* !READER_H_ */ 72