csope/source/scanner.h

/*===========================================================================
 Copyright (c) 2001, The Santa Cruz Operation
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

 *Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.

 *Redistributions in binary form must reproduce the above copyright notice,
 this list of conditions and the following disclaimer in the documentation
 and/or other materials provided with the distribution.

 *Neither name of The Santa Cruz Operation nor the names of its contributors
 may be used to endorse or promote products derived from this software
 without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
 IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT falseT LIMITED TO,
 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 CONSEQUENTIAL DAMAGES (INCLUDING, BUT falseT LIMITED TO, PROCUREMENT OF
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGE.
 =========================================================================*/

#ifndef CSCOPE_SCANNER_H
#define CSCOPE_SCANNER_H

#include <stdio.h>

#undef YYLMAX
#define YYLMAX STMTMAX + PATLEN + 1 /* scanner line buffer size */

/* cross-reference database mark characters (when new ones are added,
 * update the cscope.out format description in cscope.1)
 */
#define CLASSDEF  'c'
#define DEFINE	  '#'
#define DEFINEEND ')'
#define ENUMDEF	  'e'
#define FCNCALL	  '`'
#define FCNDEF	  '$'
#define FCNEND	  '}'
#define GLOBALDEF 'g'
#define INCLUDE	  '~'
#define MEMBERDEF 'm'
#define NEWFILE	  '@'
#define STRUCTDEF 's'
#define TYPEDEF	  't'
#define UNIONDEF  'u'

/* other scanner token types */
#define LEXEOF	0
#define LEXERR	1
#define IDENT	2
#define NEWLINE 3

/* scanner.l global data */
extern int	 first;		/* buffer index for first char of symbol */
extern int	 last;		/* buffer index for last char of symbol */
extern int	 lineno;	/* symbol line number */
extern FILE *yyin;		/* input file descriptor */
extern FILE *yyout;		/* output file */
extern int	 myylineno; /* input line number */

#ifdef USING_LEX
/* HBB 20010430: if lex is used instead of flex, have to simulate the
 * private copies of yytext and yytext for the world outside scanner.l: */
/* FIXME: there should be a feature test for this! */
# if defined(__OSF1__) || defined(__sun) || defined(_AIX)
extern char yytext[];
# else
extern unsigned char yytext[];
# endif
extern int yyleng;
# define my_yytext yytext
# define my_yyleng yyleng
#else
extern char	 *my_yytext; /* private copy of input line */
extern size_t my_yyleng; /* ... and current length of it */
#endif

/* The master function exported by scanner.l */
int	 yylex(void);
void initscanner(char *srcfile);

#endif /* CSCOPE_SCANNER_H ends */