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%{
/*
* Copyright (c) 1997-2014 Erez Zadok
* Copyright (c) 2005 Daniel P. Ottavio
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the University 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 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 NOT 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.
*
*
* File: am-utils/amd/sun_map_tok.l
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
/*
* Some systems include a definition for the macro ECHO in <sys/ioctl.h>,
* and their (bad) version of lex defines it too at the very beginning of
* the generated lex.yy.c file (before it can be easily undefined),
* resulting in a conflict. So undefine it here before needed.
* Luckily, it does not appear that this macro is actually used in the rest
* of the generated lex.yy.c file.
*/
#ifdef ECHO
# undef ECHO
#endif /* ECHO */
#include <am_defs.h>
#include <amd.h>
#include <sun_map_parse.h>
/* and once again undefine this, just in case */
#ifdef ECHO
# undef ECHO
#endif /* ECHO */
/*
* There are some things that need to be defined only if using GNU flex.
* These must not be defined if using standard lex
*/
#ifdef FLEX_SCANNER
# ifndef ECHO
# define ECHO __IGNORE(fwrite( yytext, yyleng, 1, yyout ))
# endif /* not ECHO */
#endif /* FLEX_SCANNER */
int yylex(void);
int sun_map_error(const char *);
/*
* We need to configure lex to parse from a string
* instead of a file. Each version of lex has it's
* own way of doing this (sigh).
*/
/* assign the buffer to parse */
void sun_map_tok_setbuff(const char* buff);
/* buffer that contains the string to parse */
const char *sun_map_tok_buff = NULL;
#ifdef FLEX_SCANNER
/*
* The flex scanner uses the YY_INPUT to parse the input.
* We need to redefine it so that it can parse strings.
* In addition to the above string buffer we need to have
* a position pointer and a end pointer.
*/
/* current position of the buffer */
const char *sun_map_tok_pos = NULL;
/* size of the buffer */
const char *sun_map_tok_end = NULL;
/* copies the current position + maxsize into buff */
int sun_map_input(char *buff, int maxsize);
# undef YY_INPUT
# define YY_INPUT(buff,result,maxsize) (result = sun_map_input(buff,maxsize))
#else
/*
* If this is not Flex than fall back to an AT&T style lex.
* We can parse strings by redefining input and unput.
*/
#undef input
#undef unput
#define input() (*(char *)sun_map_tok_buff++)
#define unput(c) (*(char *)--sun_map_tok_buff = c)
#endif /* FLEX_SCANNER */
/*
* some systems such as DU-4.x have a different GNU flex in /usr/bin
* which automatically generates yywrap macros and symbols. So I must
* distinguish between them and when yywrap is actually needed.
*/
#if !defined(yywrap) || defined(yylex)
int yywrap(void);
#endif /* not yywrap or yylex */
/* no need to use yywrap() */
#define YY_SKIP_YYWRAP
int sun_map_line = 1;
int sun_map_tokpos = 1;
%}
/* This option causes Solaris lex to fail. Use flex. See BUGS file */
/* no need to use yyunput() */
%option nounput
%option noinput
/* allocate more output slots so lex scanners don't run out of mem */
%o 1024
WORD_REX [A-Za-z0-9_/&\.$=]+[A-Za-z0-9_/&\.$=-]*
COMMENT_REX ^#.*\n
WSPACE_REX [ \t]*
NEWLINE_REX [ \t]*\n
CONTINUE_REX "\\"\n
%%
{WORD_REX} {
sun_map_tokpos += yyleng;
xstrlcpy((char *)sun_map_lval.strval,(const char *)yytext,sizeof(sun_map_lval.strval));
return WORD;
}
{WSPACE_REX} {
sun_map_tokpos += yyleng;
return WSPACE;
}
{NEWLINE_REX} {
sun_map_tokpos = 0;
sun_map_line++;
return NEWLINE;
}
{CONTINUE_REX} {
sun_map_tokpos = 0;
sun_map_line++;
}
{COMMENT_REX} {
sun_map_line++;
}
. {
return yytext[0];
}
%%
int
sun_map_error(const char* s)
{
return 1;
}
#ifdef FLEX_SCANNER
void
sun_map_tok_setbuff(const char* buff)
{
sun_map_tok_end = buff + strlen(buff);
sun_map_tok_pos = buff;
sun_map_tok_buff = buff;
}
int
sun_map_input(char *buff, int maxsize)
{
int size = MIN(maxsize, (sun_map_tok_end - sun_map_tok_pos));
if (size > 0) {
memcpy(buff,sun_map_tok_pos,size);
sun_map_tok_pos += size;
}
return size;
}
#else
void
sun_map_tok_setbuff(const char* buff)
{
sun_map_tok_buff = buff;
}
#endif /* FLEX_SCANNER */
/*
* some systems such as DU-4.x have a different GNU flex in /usr/bin
* which automatically generates yywrap macros and symbols. So I must
* distinguish between them and when yywrap is actually needed.
*/
#if !defined(yywrap) || defined(yylex)
int yywrap(void)
{
return 1;
}
#endif /* not yywrap or yylex */
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