| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.eval.ast.instructions; |
| |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.debug.core.IJavaPrimitiveValue; |
| import org.eclipse.jdt.debug.core.IJavaValue; |
| |
| public class EqualEqualOperator extends BinaryOperator { |
| |
| private boolean fIsEquals; |
| |
| public EqualEqualOperator(int leftTypeId, int rightTypeId, boolean isEquals, int start) { |
| super(T_boolean, leftTypeId, rightTypeId, false, start); |
| fIsEquals= isEquals; |
| } |
| |
| /* |
| * @see BinaryOperator#getBooleanResult(IJavaValue, IJavaValue) |
| */ |
| protected boolean getBooleanResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| boolean equals= false; |
| switch (getInternResultType()) { |
| case T_double : |
| equals= ((IJavaPrimitiveValue) leftOperand).getDoubleValue() == ((IJavaPrimitiveValue) rightOperand).getDoubleValue(); |
| break; |
| case T_float : |
| equals= ((IJavaPrimitiveValue) leftOperand).getFloatValue() == ((IJavaPrimitiveValue) rightOperand).getFloatValue(); |
| break; |
| case T_long : |
| equals= ((IJavaPrimitiveValue) leftOperand).getLongValue() == ((IJavaPrimitiveValue) rightOperand).getLongValue(); |
| break; |
| case T_int : |
| if (leftOperand instanceof IJavaObject) { |
| // enumerations in switch statement |
| equals = leftOperand.equals(rightOperand); |
| } else { |
| equals= ((IJavaPrimitiveValue) leftOperand).getIntValue() == ((IJavaPrimitiveValue) rightOperand).getIntValue(); |
| } |
| break; |
| case T_boolean : |
| equals= ((IJavaPrimitiveValue) leftOperand).getBooleanValue() == ((IJavaPrimitiveValue) rightOperand).getBooleanValue(); |
| break; |
| default : |
| equals= leftOperand.equals(rightOperand); |
| break; |
| } |
| return ((fIsEquals) ? equals : !equals); |
| } |
| |
| /* |
| * @see BinaryOperator#getDoubleResult(IJavaValue, IJavaValue) |
| */ |
| protected double getDoubleResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return 0; |
| } |
| |
| /* |
| * @see BinaryOperator#getFloatResult(IJavaValue, IJavaValue) |
| */ |
| protected float getFloatResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return 0; |
| } |
| |
| /* |
| * @see BinaryOperator#getIntResult(IJavaValue, IJavaValue) |
| */ |
| protected int getIntResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return 0; |
| } |
| |
| /* |
| * @see BinaryOperator#getLongResult(IJavaValue, IJavaValue) |
| */ |
| protected long getLongResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return 0; |
| } |
| |
| /* |
| * @see BinaryOperator#getStringResult(IJavaValue, IJavaValue) |
| */ |
| protected String getStringResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return null; |
| } |
| |
| public String toString() { |
| return InstructionsEvaluationMessages.EqualEqualOperator_operator_1; |
| } |
| |
| } |