Zadatak 1

fprintf(output, "\n%s:\n\t\t\tWORD\t1", $2);
ili
code("\n%s:\n\t\t\tWORD\t1", $2);

Zadatak 2

function
  : type _ID
      {
        function_index = try_to_insert_id($2,FUNCTION,$1);
        var_num = 0;

        code("\n%s:", $2);
        code("\n\t\t\tPUSH\t%%14");
        code("\n\t\t\tMOV \t%%15,%%14");
      }
    _LPAREN _RPAREN body
      {
        if (get_last_element() > function_index)
          clear_symbols(function_index + 1);

        gen_str_lab($2,"_exit");
        code("\n\t\t\tMOV \t%%14,%%15");
        code("\n\t\t\tPOP \t%%14");
        code("\n\t\t\tRET");
      }
  ;

body
  : _LBRACKET variable_list
      {
        code("\n\t\t\tSUBU\t%%15,$%d,%%15", 4*var_num);
        gen_str_lab(get_name(function_index), "_body");
      }
    statement_list _RBRACKET

  | _LBRACKET
      { gen_str_lab(get_name(function_index), "_body"); }
    statement_list _RBRACKET
  ;

Zadatak 3

return_statement
  : _RETURN num_exp _SEMICOLON
      {
        if(!check_types(function_index, $2))
          printerror("incompatible types in return");

        // vrednost return izraza se prebaci u registar %13
        gen_mov($2, FUNCTION_REG);
        code("\n\t\t\tJMP\t@%s_exit",get_name(function_index));        
      }
  ;