ediflex.l

主要用于大规模的测试生成方法

%{
#include <stdio.h>
#undef YYLMAX
#include "defines.h"
extern int err_count;
extern FILE *edifp;
#undef input
#define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):toupper(getc(edifp)))==10?(yylineno++,yytchar):yytchar)==EOF?0:yytchar)
%}
white	[ \t\n\r]
black	[-!#$&()*+,./:;<=>?@_`{|}~^\[\]\\\"\']
ident	[&A-Za-z][A-Za-z0-9_]*
number	[+-]?[0-9]+
string  \"[-A-Za-z0-9%!#$&\'()*+,./:;<=>?@\[\]\\^_`{|}~ \t\n\r]*\"
%START KEY STR
%e 256
%%
{white}+	;
<KEY>{ident}	{ BEGIN 0; return( KEYWORD);}
<KEY>({black}|[0-9])	{ fprintf( stderr,
			"Line %d: '%c' illegal after '('!\n",
			yylineno, yytext[0]); BEGIN 0; err_count++;
		}
"("		BEGIN KEY;
{ident}		return( IDENT);
{number}	return( NUMBER);
{string}        return( STRING);
")"		return( ENDLIST);
{black}		{ fprintf( stderr,"Line %d: Illegal character '%c'!\n",
			yylineno, yytext[0]); err_count++;
		}
.		{ fprintf( stderr, "Line %d: Illegal character octal %o!\n",
			   yylineno, yytext[0]); err_count++;
		}
%%
static int yywrap() { return(1);}