/*******************************************************************************
* 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.core.runtime.CoreException;
import org.eclipse.jdt.debug.core.IJavaPrimitiveValue;
import org.eclipse.jdt.debug.core.IJavaVariable;
public class PostfixMinusMinusOperator extends XfixOperator {
public PostfixMinusMinusOperator(int variableTypeId, int start) {
super(variableTypeId, start);
}
/*
* @see Instruction#execute()
*/
@Override
public void execute() throws CoreException {
IJavaVariable variable = (IJavaVariable) pop();
push(variable.getValue());
switch (fVariableTypeId) {
case T_byte:
variable.setValue(newValue((byte) (((IJavaPrimitiveValue) variable
.getValue()).getByteValue() - 1)));
break;
case T_short:
variable.setValue(newValue((short) (((IJavaPrimitiveValue) variable
.getValue()).getShortValue() - 1)));
break;
case T_char:
variable.setValue(newValue((char) (((IJavaPrimitiveValue) variable
.getValue()).getCharValue() - 1)));
break;
case T_int:
variable.setValue(newValue(((IJavaPrimitiveValue) variable
.getValue()).getIntValue() - 1));
break;
case T_long:
variable.setValue(newValue(((IJavaPrimitiveValue) variable
.getValue()).getLongValue() - 1));
break;
case T_float:
variable.setValue(newValue(((IJavaPrimitiveValue) variable
.getValue()).getFloatValue() - 1));
break;
case T_double:
variable.setValue(newValue(((IJavaPrimitiveValue) variable
.getValue()).getDoubleValue() - 1));
break;
}
}
@Override
public String toString() {
return InstructionsEvaluationMessages.PostfixMinusMinusOperator_postfix________operator_1;
}
}