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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.debugger.ui.impl.watch;
import com.intellij.debugger.DebuggerContext;
import com.intellij.debugger.engine.evaluation.EvaluateException;
import com.intellij.debugger.engine.evaluation.EvaluationContextImpl;
import com.intellij.openapi.project.Project;
import com.intellij.psi.JavaPsiFacade;
import com.intellij.psi.PsiElementFactory;
import com.intellij.psi.PsiExpression;
import com.intellij.util.IncorrectOperationException;
import com.sun.jdi.Value;
/**
* User: lex
* Date: Oct 8, 2003
* Time: 5:08:07 PM
*/
public class ThisDescriptorImpl extends ValueDescriptorImpl{
public ThisDescriptorImpl(Project project) {
super(project);
}
public Value calcValue(EvaluationContextImpl evaluationContext) throws EvaluateException {
return evaluationContext != null? evaluationContext.getThisObject() : null;
}
public String getName() {
//noinspection HardCodedStringLiteral
return "this";
}
public String calcValueName() {
return getName();
}
public PsiExpression getDescriptorEvaluation(DebuggerContext context) throws EvaluateException {
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(context.getProject()).getElementFactory();
try {
return elementFactory.createExpressionFromText("this", null);
}
catch (IncorrectOperationException e) {
throw new EvaluateException(e.getMessage(), e);
}
}
public boolean canSetValue() {
return false;
}
}
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