1 /**

     2  * test/demos/parser/lexer.ll

     3  * Copyright (C) 2008 Markus Broeker

     4  */

     5 

     6 %{

     7 	#include <stdio.h>

     8 	#include "parser.h"

     9 %}

    10 

    11 %%

    12 

    13 [0-9]+			{ yylval = atoi(yytext); return DIGIT;    }

    14 [a-zA-Z]		{ yylval = yytext[0]; return LETTER;      }

    15 "+"			return PLUS;	     

    16 "-"			return MINUS;       

    17 "*"			return MUL;         

    18 "/"			return DIV;       

    19 "("|")"|"="		return yytext[0]; 

    20 [ \t]+			;

    21 \n			return yytext[0];

    22 .			printf("FEHLER: %s\n", yytext);

    23 %%