%option noyywrap
%option nounput
%{

#include <iostream>
#include <cstdlib>
#include <cstring>
  using namespace std;

#include "parser.tab.hpp"
  
%}

%%
"pocetak"           return pocetak_token;
"kraj"              return kraj_token;
"ispisi"            return ispisi_token;
"mod"               return mod_token;
[:=.();+*/-]        return *yytext;
[a-zA-Z_][a-zA-Z_0-9]*  {
  for (unsigned i = 0; i < strlen(yytext); i++)
    yytext[i] = tolower(yytext[i]);
  yylval.s = new string(yytext);
  return id_token;
}
["](\\["]|[^"])*["] {
  string tmp(yytext);
  tmp = tmp.substr(1, tmp.size() - 2);
  yylval.s = new string(tmp);
  return string_token;
}
[0-9]+              {
  yylval.i = atoi(yytext);
  return broj_token;
}
0x[0-9a-fA-F]+      {
  yylval.i = (int)strtol(yytext, NULL, 16);
  return broj_token;
}
[ \t\n]             {    }
.   {
  fprintf(stderr, "Leksicka greska: neprepoznat karakter '%c'\n", *yytext);
  exit(EXIT_FAILURE);
}
%%