/* 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 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_ */