f.genInstr("",          "cdq",         "",               "");
            f.genInstr("",          "idivl",         "%ecx",               "");
            f.genInstr("",          "movl",         "%edx,%eax",               "  mod");
@Override
    void genCode(CodeFile f) {//Common for all operators
        f.genInstr("",          "pushl",         "%eax",               "");
        right.genCode(f);
        f.genInstr("",          "movl",         "%eax,%ecx",               "");
        f.genInstr("",          "popl",         "%eax",               "");//Special code for each operator
        if (token.equals("*")) {f.genInstr("",          "imull",         "%ecx,%eax",               "  *");} else if (token.equals("div")) {f.genInstr("",          "cdq",         "",               "");
            f.genInstr("",          "idivl",         "%ecx",               "  /");} else if (token.equals("mod")) {f.genInstr("",          "cdq",         "",               "");
            f.genInstr("",          "idivl",         "%ecx",               "");
            f.genInstr("",          "movl",         "%edx,%eax",               "  mod");} else if (token.equals("and")) {f.genInstr("",          "andl",         "%ecx,%eax",               "  and");} else {
            Main.panic("Factor opr - genCode()");
        }
    }