-/* Input parser for bison
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Input parser for Bison
+
+ 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef READER_H_
# define READER_H_
-#include "symtab.h"
+# include "location.h"
+# include "symlist.h"
+# include "named-ref.h"
+
+# include "parse-gram.h"
+
+typedef struct merger_list
+{
+ struct merger_list* next;
+ uniqstr name;
+ uniqstr type;
+ location type_declaration_location;
+} merger_list;
+
+/* From the parser. */
+extern int gram_debug;
+int gram_parse (void);
+char const *token_name (int type);
+
-/* Read in the grammar specification and record it in the format
- described in gram.h. All guards are copied into the FGUARD file
- and all actions into FACTION, in each case forming the body of a C
- function (YYGUARD or YYACTION) which contains a switch statement to
- decide which guard or action to execute. */
+/* From reader.c. */
+void grammar_start_symbol_set (symbol *sym, 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);
+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,
+ named_ref *nref);
+void grammar_current_rule_action_append (const char *action, location loc,
+ named_ref *nref);
+void reader (void);
+void free_merger_functions (void);
-void reader PARAMS ((void));
+extern merger_list *merge_functions;
-/* Free the packed grammar. */
-void grammar_free PARAMS ((void));
+/* Was %union seen? */
+extern bool union_seen;
-extern int lineno;
+/* Was a tag seen? */
+extern bool tag_seen;
-extern symbol_t *errtoken;
-extern symbol_t *undeftoken;
-extern symbol_t *eoftoken;
-extern symbol_t *axiom;
+/* Should rules have a default precedence? */
+extern bool default_prec;
#endif /* !READER_H_ */