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

%%
function              return function_token;
value                 return value_token;
sin                   return sin_token;
cos                   return cos_token;
[a-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: nepoznat karakter '" << yytext << "'" << endl;
  exit(EXIT_FAILURE);
}

%%