%option noyywrap
%{
#include <stdio.h>
#include <stdlib.h>

#define YY_DECL int yylex()

#include "calc.tab.h"

%}

%%

[ \t]	; // ignore all whitespace
[0-9]+		{yylval.ival = atoi(yytext); return T_INT;}
"+"		{return T_PLUS;}
"("		{return T_LEFT;}
")"		{return T_RIGHT;}
"#"		{return T_END;}
"*"		{return T_MULT;}
"-"		{return T_MINUS;}

%%