[bison.git] / src / lex.h

/* Token type definitions for bison's input reader,
   Copyright (C) 1984, 1989, 1992, 2000 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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef LEX_H_
# define LEX_H_

/* Token-type codes. */
# define ENDFILE	0
# define IDENTIFIER	1
# define COMMA		2
# define COLON		3
# define SEMICOLON	4
# define BAR   		5
# define LEFT_CURLY     6
# define TWO_PERCENTS	7
# define PERCENT_LEFT_CURLY	8
# define TOKEN		9
# define NTERM		10
# define GUARD		11
# define TYPE  		12
# define UNION		13
# define START		14
# define LEFT  		15
# define RIGHT		16
# define NONASSOC	17
# define PREC  		18
# define SEMANTIC_PARSER 19
# define PURE_PARSER   	20
# define TYPENAME  	21
# define NUMBER		22
# define EXPECT		23
# define THONG		24
# define NOOP		25
# define SETOPT		26
# define ILLEGAL	27

# define MAXTOKEN	1024


/* Allocated size of token_buffer, not including space for terminator.  */
extern int maxtoken;
extern char *token_buffer;
char *grow_token_buffer PARAMS ((char *));

void init_lex PARAMS ((void));
int skip_white_space PARAMS ((void));
void unlex PARAMS ((int));
void read_type_name PARAMS ((FILE *fin));

/* Return one of the token-type codes.  When an identifier is seen,
   the code IDENTIFIER is returned and the name is looked up in the
   symbol table using symtab.c; symval is set to a pointer to the
   entry found.  */

int lex PARAMS ((void));

int parse_percent_token PARAMS ((void));

extern bucket *symval;
extern int numval;

#endif /* !LEX_H_ */
Commit	Line	Data
f7d4d87a	1	/* Token type definitions for bison's input reader,
abadc117 AD	2	Copyright (C) 1984, 1989, 1992, 2000 Free Software Foundation, Inc.
	3
	4	This file is part of Bison, the GNU Compiler Compiler.
	5
	6	Bison is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	Bison is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with Bison; see the file COPYING. If not, write to
	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
	20
	21	#ifndef LEX_H_
	22	# define LEX_H_
	23
	24	/* Token-type codes. */
	25	# define ENDFILE 0
	26	# define IDENTIFIER 1
	27	# define COMMA 2
	28	# define COLON 3
	29	# define SEMICOLON 4
	30	# define BAR 5
	31	# define LEFT_CURLY 6
	32	# define TWO_PERCENTS 7
	33	# define PERCENT_LEFT_CURLY 8
	34	# define TOKEN 9
	35	# define NTERM 10
	36	# define GUARD 11
	37	# define TYPE 12
	38	# define UNION 13
	39	# define START 14
	40	# define LEFT 15
	41	# define RIGHT 16
	42	# define NONASSOC 17
	43	# define PREC 18
	44	# define SEMANTIC_PARSER 19
	45	# define PURE_PARSER 20
	46	# define TYPENAME 21
	47	# define NUMBER 22
	48	# define EXPECT 23
	49	# define THONG 24
	50	# define NOOP 25
	51	# define SETOPT 26
	52	# define ILLEGAL 27
	53
	54	# define MAXTOKEN 1024
	55
340ef489 AD	56
	57	/* Allocated size of token_buffer, not including space for terminator. */
	58	extern int maxtoken;
	59	extern char *token_buffer;
abadc117	60	char grow_token_buffer PARAMS ((char ));
340ef489 AD	61
340ef489 AD	62	void init_lex PARAMS ((void));
abadc117 AD	63	int skip_white_space PARAMS ((void));
abadc117 AD	64	void unlex PARAMS ((int));
f282676b	65	void read_type_name PARAMS ((FILE *fin));
abadc117 AD	66
	67	/* Return one of the token-type codes. When an identifier is seen,
	68	the code IDENTIFIER is returned and the name is looked up in the
	69	symbol table using symtab.c; symval is set to a pointer to the
	70	entry found. */
	71
	72	int lex PARAMS ((void));
	73
	74	int parse_percent_token PARAMS ((void));
	75
340ef489 AD	76	extern bucket *symval;
340ef489 AD	77	extern int numval;
abadc117 AD	78
abadc117 AD	79	#endif /* !LEX_H_ */