%option noyywrap
%option nounput
%option noinput
%{
#include <iostream>
#include <string>
#include <cstdlib>
  using namespace std;
#include "ast.hpp"
#include "parser.tab.hpp"

%}

%%
"def"      return def_token;
"extern"   return extern_token;
[a-z]+     {
  yylval.s = new string(yytext);
  return id_token;
}
[0-9]+(\.[0-9]*)?  {
  yylval.d = atof(yytext);
  return num_token;
}
[-+*/();,]  return *yytext;
[#].*      {   }
[ \t\n]    {   }
. {
  cerr << "Lekscka greska: neprepoznat karakter "<< *yytext << endl;
  exit(EXIT_FAILURE);
}


%%