[bison.git] / src / lex.h

/* Token type definitions for bison's input reader,
   Copyright 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,
aa7815f5	2	Copyright 1984, 1989, 1992, 2000 Free Software Foundation, Inc.
abadc117 AD	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_ */