| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.eval.ast.instructions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.debug.core.IJavaPrimitiveValue; |
| import org.eclipse.jdt.debug.core.IJavaValue; |
| import org.eclipse.jdt.internal.debug.core.model.JDINullValue; |
| |
| public class PlusOperator extends BinaryOperator { |
| |
| public static final String NULL = "null"; //$NON-NLS-1$ |
| public static final String TOSTRING_SELECTOR = "toString"; //$NON-NLS-1$ |
| public static final String TOSTRING_SIGNATURE = "()Ljava/lang/String;"; //$NON-NLS-1$ |
| |
| public PlusOperator(int resultId, int leftTypeId, int rightTypeId, int start) { |
| this(resultId, leftTypeId, rightTypeId, false, start); |
| } |
| |
| protected PlusOperator(int resultId, int leftTypeId, int rightTypeId, |
| boolean isAssignmentOperator, int start) { |
| super(resultId, leftTypeId, rightTypeId, isAssignmentOperator, start); |
| } |
| |
| private String getString(IJavaValue value, int typeId) |
| throws DebugException { |
| |
| // test if value == null |
| if (value instanceof JDINullValue) { |
| return NULL; |
| } |
| |
| if (value instanceof IJavaObject) { |
| if (typeId == T_String) { |
| return value.getValueString(); |
| } |
| return ((IJavaObject) value).sendMessage(TOSTRING_SELECTOR, |
| TOSTRING_SIGNATURE, null, getContext().getThread(), null) |
| .getValueString(); |
| } |
| |
| IJavaPrimitiveValue primitiveValue = (IJavaPrimitiveValue) value; |
| switch (typeId) { |
| case T_boolean: |
| return Boolean.valueOf(primitiveValue.getBooleanValue()).toString(); |
| case T_byte: |
| return new Integer(primitiveValue.getByteValue()).toString(); |
| case T_char: |
| return new Character(primitiveValue.getCharValue()).toString(); |
| case T_double: |
| return new Double(primitiveValue.getDoubleValue()).toString(); |
| case T_float: |
| return new Float(primitiveValue.getFloatValue()).toString(); |
| case T_int: |
| return new Integer(primitiveValue.getIntValue()).toString(); |
| case T_long: |
| return new Long(primitiveValue.getLongValue()).toString(); |
| case T_short: |
| return new Integer(primitiveValue.getShortValue()).toString(); |
| } |
| return NULL; |
| } |
| |
| /* |
| * @see BinaryOperator#getBooleanResult(IJavaValue, IJavaValue) |
| */ |
| @Override |
| protected boolean getBooleanResult(IJavaValue leftOperand, |
| IJavaValue rightOperand) { |
| return false; |
| } |
| |
| /* |
| * @see BinaryOperator#getDoubleResult(IJavaValue, IJavaValue) |
| */ |
| @Override |
| protected double getDoubleResult(IJavaValue leftOperand, |
| IJavaValue rightOperand) { |
| return ((IJavaPrimitiveValue) leftOperand).getDoubleValue() |
| + ((IJavaPrimitiveValue) rightOperand).getDoubleValue(); |
| } |
| |
| /* |
| * @see BinaryOperator#getFloatResult(IJavaValue, IJavaValue) |
| */ |
| @Override |
| protected float getFloatResult(IJavaValue leftOperand, |
| IJavaValue rightOperand) { |
| return ((IJavaPrimitiveValue) leftOperand).getFloatValue() |
| + ((IJavaPrimitiveValue) rightOperand).getFloatValue(); |
| } |
| |
| /* |
| * @see BinaryOperator#getIntResult(IJavaValue, IJavaValue) |
| */ |
| @Override |
| protected int getIntResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return ((IJavaPrimitiveValue) leftOperand).getIntValue() |
| + ((IJavaPrimitiveValue) rightOperand).getIntValue(); |
| } |
| |
| /* |
| * @see BinaryOperator#getLongResult(IJavaValue, IJavaValue) |
| */ |
| @Override |
| protected long getLongResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return ((IJavaPrimitiveValue) leftOperand).getLongValue() |
| + ((IJavaPrimitiveValue) rightOperand).getLongValue(); |
| } |
| |
| /* |
| * @see BinaryOperator#getStringResult(IJavaValue, IJavaValue) |
| */ |
| @Override |
| protected String getStringResult(IJavaValue leftOperand, |
| IJavaValue rightOperand) throws CoreException { |
| return getString(leftOperand, fLeftTypeId) |
| + getString(rightOperand, fRightTypeId); |
| } |
| |
| @Override |
| public String toString() { |
| return InstructionsEvaluationMessages.PlusOperator______operator_2; |
| } |
| |
| } |