%{
#include <math.h>
#include "calc-int-loc.tab.h"
extern YYLTYPE yylloc;
#define YY_USER_INIT { \
    yylloc.first_line = 1; yylloc.first_column = 0; \
    yylloc.last_line = 1; yylloc.last_column = 0; \
}
#define YY_USER_ACTION { \
    yylloc.first_column = yylloc.last_column+1; \
    yylloc.last_column += yyleng; \
}
%}
%option noyywrap
DIGIT   [0-9]
%%
{DIGIT}+        {
                  yylval = atoi(yytext);
                  return NUMBER;
                }
"="             |
"("             |
")"             |
"+"             |
"-"             |
"*"             |
"/"             { return *yytext; }
[ \t]           { /* ignoriere Whitespace */ }
\n              { 
                  /* ignoriere Whitespace, setze Position in nächste Zeile */
                  yylloc.first_line++;
                  yylloc.first_column = 0;
                  yylloc.last_line++;
                  yylloc.last_column = 0;
                }
.               { return ILLEGAL_CHAR; }