| /* |
| * 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. |
| */ |
| |
| /* |
| * Class InstanceofEvaluator |
| * @author Jeka |
| */ |
| package com.intellij.debugger.engine.evaluation.expression; |
| |
| import com.intellij.debugger.engine.evaluation.EvaluationContextImpl; |
| import com.intellij.debugger.impl.DebuggerUtilsEx; |
| import com.intellij.debugger.engine.evaluation.EvaluateException; |
| import com.intellij.debugger.engine.evaluation.EvaluationContextImpl; |
| import com.intellij.debugger.engine.evaluation.EvaluateExceptionUtil; |
| import com.intellij.debugger.engine.evaluation.EvaluateException; |
| import com.intellij.debugger.DebuggerBundle; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.psi.PsiType; |
| import com.sun.jdi.*; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| class InstanceofEvaluator implements Evaluator { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.debugger.engine.evaluation.expression.InstanceofEvaluator"); |
| private final Evaluator myOperandEvaluator; |
| private final TypeEvaluator myTypeEvaluator; |
| |
| public InstanceofEvaluator(Evaluator operandEvaluator, TypeEvaluator typeEvaluator) { |
| myOperandEvaluator = operandEvaluator; |
| myTypeEvaluator = typeEvaluator; |
| } |
| |
| public Modifier getModifier() { |
| return null; |
| } |
| |
| public Object evaluate(EvaluationContextImpl context) throws EvaluateException { |
| Value value = (Value)myOperandEvaluator.evaluate(context); |
| if (value == null) { |
| return DebuggerUtilsEx.createValue(context.getDebugProcess().getVirtualMachineProxy(), PsiType.BOOLEAN.getPresentableText(), false); |
| } |
| if (!(value instanceof ObjectReference)) { |
| throw EvaluateExceptionUtil.createEvaluateException(DebuggerBundle.message("evaluation.error.object.reference.expected")); |
| } |
| try { |
| ReferenceType refType = (ReferenceType)myTypeEvaluator.evaluate(context); |
| ClassObjectReference classObject = refType.classObject(); |
| ClassType classRefType = (ClassType)classObject.referenceType(); |
| //noinspection HardCodedStringLiteral |
| Method method = classRefType.concreteMethodByName("isAssignableFrom", "(Ljava/lang/Class;)Z"); |
| List args = new LinkedList(); |
| args.add(((ObjectReference)value).referenceType().classObject()); |
| return context.getDebugProcess().invokeMethod(context, classObject, method, args); |
| } |
| catch (Exception e) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug(e); |
| } |
| throw EvaluateExceptionUtil.createEvaluateException(e); |
| } |
| } |
| } |