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/*
* This file is part of flex.
*
* 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.
*
* 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE.
*/
/* A reentrant scanner.
This file will not compile under flex version <= 2.5.4.
Sample Input:
# this is a comment
foo = true
bar = "string value"
integer = 43
*/
%{
#include "config.h"
%}
%option prefix="test" outfile="scanner.c"
%option nounput noyywrap noyylineno warn nodefault
%option reentrant
IDENT [[:alnum:]_-]
WS [[:blank:]]
%%
^{IDENT}+{WS}*={WS}*(true|false){WS}*\r?\n { return 100;}
^{IDENT}+{WS}*={WS}*\"[^\"\n\r]*\"{WS}*\r?\n { return 101;}
^{IDENT}+{WS}*={WS}*[[:digit:]]+{WS}*\r?\n { return 102;}
^{WS}*#.*\r?\n { }
^{WS}*\r?\n { }
.|\n { fprintf(stderr,"Invalid line.\n"); exit(-1);}
%%
int main(void);
int main ()
{
yyscan_t lexer;
yylex_init( &lexer );
yyset_out ( stdout,lexer);
yyset_in ( stdin, lexer);
while( yylex(lexer) )
{
}
yylex_destroy( lexer );
printf("TEST RETURNING OK.\n");
return 0;
}
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