src/reader.h

/* Input parser for Bison

   Copyright (C) 2000, 2001, 2002, 2003, 2005, 2006 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
   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.

   Bison 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.  */

#ifndef READER_H_
# define READER_H_

# include "location.h"
# include "symlist.h"

# include "parse-gram.h"

typedef struct merger_list
{
  struct merger_list* next;
  uniqstr name;
  uniqstr type;
} merger_list;

/* From the scanner.  */
extern FILE *gram_in;
extern int gram__flex_debug;
extern boundary scanner_cursor;
extern char *last_string;
extern location last_braced_code_loc;
extern int max_left_semantic_context;
void scanner_initialize (void);
void scanner_free (void);
void scanner_last_string_free (void);

/* These are declared by the scanner, but not used.  We put them here
   to pacify "make syntax-check".  */
extern FILE *gram_out;
extern int gram_lineno;

# define YY_DECL int gram_lex (YYSTYPE *val, location *loc)
YY_DECL;


/* 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 prologue_augment (const char *prologue, location loc);
void grammar_current_rule_begin (symbol *lhs, location loc);
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);
void grammar_current_rule_action_append (const char *action, location loc);
extern symbol_list *current_rule;
void reader (void);
void free_merger_functions (void);

extern merger_list *merge_functions;

/* Was %union seen?  */
extern bool typed;

/* 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, 2001, 2002, 2003, 2005, 2006 Free Software
	4	Foundation, Inc.
	5
	6	This file is part of Bison, the GNU Compiler Compiler.
	7
	8	Bison 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 2, or (at your option)
	11	any later version.
	12
	13	Bison 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 Bison; see the file COPYING. If not, write to
	20	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	21	Boston, MA 02110-1301, USA. */
	22
	23	#ifndef READER_H_
	24	# define READER_H_
	25
	26	# include "location.h"
	27	# include "symlist.h"
	28
	29	# include "parse-gram.h"
	30
	31	typedef struct merger_list
	32	{
	33	struct merger_list* next;
	34	uniqstr name;
	35	uniqstr type;
	36	} merger_list;
	37
	38	/* From the scanner. */
	39	extern FILE *gram_in;
	40	extern int gram__flex_debug;
	41	extern boundary scanner_cursor;
	42	extern char *last_string;
	43	extern location last_braced_code_loc;
	44	extern int max_left_semantic_context;
	45	void scanner_initialize (void);
	46	void scanner_free (void);
	47	void scanner_last_string_free (void);
	48
	49	/* These are declared by the scanner, but not used. We put them here
	50	to pacify "make syntax-check". */
	51	extern FILE *gram_out;
	52	extern int gram_lineno;
	53
	54	# define YY_DECL int gram_lex (YYSTYPE val, location loc)
	55	YY_DECL;
	56
	57
	58	/* From the parser. */
	59	extern int gram_debug;
	60	int gram_parse (void);
	61	char const *token_name (int type);
	62
	63
	64	/* From reader.c. */
	65	void grammar_start_symbol_set (symbol *sym, location loc);
	66	void prologue_augment (const char *prologue, location loc);
	67	void grammar_current_rule_begin (symbol *lhs, location loc);
	68	void grammar_current_rule_end (location loc);
	69	void grammar_midrule_action (void);
	70	void grammar_current_rule_prec_set (symbol *precsym, location loc);
	71	void grammar_current_rule_dprec_set (int dprec, location loc);
	72	void grammar_current_rule_merge_set (uniqstr name, location loc);
	73	void grammar_current_rule_symbol_append (symbol *sym, location loc);
	74	void grammar_current_rule_action_append (const char *action, location loc);
	75	extern symbol_list *current_rule;
	76	void reader (void);
	77	void free_merger_functions (void);
	78
	79	extern merger_list *merge_functions;
	80
	81	/* Was %union seen? */
	82	extern bool typed;
	83
	84	/* Should rules have a default precedence? */
	85	extern bool default_prec;
	86
	87	#endif /* !READER_H_ */