protected void evaluateCompareExpression(
      MethodCaller compareMethod, BinaryExpression expression) {
    Expression leftExp = expression.getLeftExpression();
    TypeChooser typeChooser = controller.getTypeChooser();
    ClassNode cn = controller.getClassNode();
    ClassNode leftType = typeChooser.resolveType(leftExp, cn);
    Expression rightExp = expression.getRightExpression();
    ClassNode rightType = typeChooser.resolveType(rightExp, cn);

    boolean done = false;
    if (ClassHelper.isPrimitiveType(leftType) && ClassHelper.isPrimitiveType(rightType)) {
      BinaryExpressionMultiTypeDispatcher helper =
          new BinaryExpressionMultiTypeDispatcher(getController());
      done = helper.doPrimitiveCompare(leftType, rightType, expression);
    }

    if (!done) {
      AsmClassGenerator acg = controller.getAcg();
      OperandStack operandStack = controller.getOperandStack();

      leftExp.visit(acg);
      operandStack.box();
      rightExp.visit(acg);
      operandStack.box();

      compareMethod.call(controller.getMethodVisitor());
      ClassNode resType = ClassHelper.boolean_TYPE;
      if (compareMethod == findRegexMethod) {
        resType = ClassHelper.OBJECT_TYPE;
      }
      operandStack.replace(resType, 2);
    }
  }
  private void evaluateCompareTo(BinaryExpression expression) {
    Expression leftExpression = expression.getLeftExpression();
    AsmClassGenerator acg = controller.getAcg();
    OperandStack operandStack = controller.getOperandStack();

    leftExpression.visit(acg);
    operandStack.box();

    // if the right hand side is a boolean expression, we need to autobox
    Expression rightExpression = expression.getRightExpression();
    rightExpression.visit(acg);
    operandStack.box();

    compareToMethod.call(controller.getMethodVisitor());
    operandStack.replace(ClassHelper.Integer_TYPE, 2);
  }