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

%}


%%
"pocetak"    return pocetak_token;
"kraj"       return kraj_token;
"ispisi"     return ispisi_token;
"mod"        return mod_token;
":="         return dodela_token;
[a-zA-Z_][a-zA-Z_0-9]*  {
  for (unsigned i = 0; yytext[i]; i++)
    yytext[i] = tolower(yytext[i]);
  yylval.s = new string(yytext);
  return id_token;
}
[0-9]+       {
  yylval.i = atoi(yytext);
  return num_token;
}
"0x"[0-9a-fA-F]+ {
  sscanf(yytext, "%x", &yylval.i);
  return num_token;
}
\"([^\"])*\" {
  yylval.s = new string(yytext + 1);
  yylval.s->pop_back();
  return string_token;
}
[-+*/();.]   return *yytext;
[ \t\n]      {   }
.   {
  cerr << "Leksicka greska: neprepoznat karakter '" << *yytext << "'" << endl;
  return EXIT_FAILURE;}
%%