src/reader.h

/* 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.

   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 3 of the License, or
   (at your option) any later version.

   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 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"

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);


/* 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);
/* 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,
                                         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 union_seen;

/* Was a tag seen?  */
extern bool tag_seen;

/* Should rules have a default precedence?  */
extern bool default_prec;

#endif /* !READER_H_ */
Commit	Line	Data
	1	/* Input parser for Bison
	2
	3	Copyright (C) 2000-2003, 2005-2007, 2009-2013 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	/* Apply %empty to the current rule. */
	51	void grammar_current_rule_empty_set (location loc);
	52	void grammar_current_rule_prec_set (symbol *precsym, location loc);
	53	void grammar_current_rule_dprec_set (int dprec, location loc);
	54	void grammar_current_rule_merge_set (uniqstr name, location loc);
	55	void grammar_current_rule_symbol_append (symbol *sym, location loc,
	56	named_ref *nref);
	57	void grammar_current_rule_action_append (const char *action, location loc,
	58	named_ref *nref, bool);
	59	void reader (void);
	60	void free_merger_functions (void);
	61
	62	extern merger_list *merge_functions;
	63
	64	/* Was %union seen? */
	65	extern bool union_seen;
	66
	67	/* Was a tag seen? */
	68	extern bool tag_seen;
	69
	70	/* Should rules have a default precedence? */
	71	extern bool default_prec;
	72
	73	#endif /* !READER_H_ */