/* Input parser for Bison
- Copyright (C) 2000, 2001, 2002, 2003, 2005, 2006 Free Software
+ Copyright (C) 2000-2003, 2005-2007, 2009-2013 Free Software
Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
- Bison is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Bison is distributed in the hope that it will be useful,
+ This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with Bison; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef READER_H_
# define READER_H_
# include "location.h"
# include "symlist.h"
+# include "named-ref.h"
# include "parse-gram.h"
/* From reader.c. */
void grammar_start_symbol_set (symbol *sym, location loc);
-void prologue_augment (const char *prologue, location loc, bool post);
-void grammar_current_rule_begin (symbol *lhs, location loc);
+void grammar_current_rule_begin (symbol *lhs, location loc,
+ named_ref *lhs_named_ref);
void grammar_current_rule_end (location loc);
void grammar_midrule_action (void);
+/* Apply %empty to the current rule. */
+void grammar_current_rule_empty_set (location loc);
void grammar_current_rule_prec_set (symbol *precsym, location loc);
void grammar_current_rule_dprec_set (int dprec, location loc);
void grammar_current_rule_merge_set (uniqstr name, location loc);
-void grammar_current_rule_symbol_append (symbol *sym, location loc);
-void grammar_current_rule_action_append (const char *action, location loc);
+void grammar_current_rule_symbol_append (symbol *sym, location loc,
+ named_ref *nref);
+void grammar_current_rule_action_append (const char *action, location loc,
+ named_ref *nref, bool);
void reader (void);
void free_merger_functions (void);
extern merger_list *merge_functions;
/* Was %union seen? */
-extern bool typed;
+extern bool union_seen;
+
+/* Was a tag seen? */
+extern bool tag_seen;
/* Should rules have a default precedence? */
extern bool default_prec;