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

%}


%%
"function"    return function_token;
"sin"         return sin_token;
"cos"         return cos_token;
[A-Za-wyz]    {
  yylval.c = *yytext;
  return id_token;
}
[0-9]+(\.[0-9]*)?   {
  yylval.d = atof(yytext);
  return num_token;
}
[x\n+*()/=\"\'\[\]-]   return *yytext;
[ \t]       {  }
.  {
  cerr << "Leksicka greska: Neprepoznat karakter " << *yytext << endl;
  exit(EXIT_FAILURE);
  }

%%