| /* |
| * 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.engine.evaluation.expression; |
| |
| import com.intellij.debugger.DebuggerBundle; |
| import com.intellij.debugger.engine.evaluation.EvaluateException; |
| import com.intellij.debugger.engine.evaluation.EvaluateExceptionUtil; |
| import com.intellij.debugger.engine.evaluation.EvaluationContextImpl; |
| import com.sun.jdi.*; |
| |
| /** |
| * @author lex |
| */ |
| public class AssignmentEvaluator implements Evaluator{ |
| private final Evaluator myLeftEvaluator; |
| private final Evaluator myRightEvaluator; |
| |
| public AssignmentEvaluator(Evaluator leftEvaluator, Evaluator rightEvaluator) { |
| myLeftEvaluator = leftEvaluator; |
| myRightEvaluator = new DisableGC(rightEvaluator); |
| } |
| |
| public Object evaluate(EvaluationContextImpl context) throws EvaluateException { |
| myLeftEvaluator.evaluate(context); |
| final Modifier modifier = myLeftEvaluator.getModifier(); |
| |
| final Object right = myRightEvaluator.evaluate(context); |
| if(right != null && !(right instanceof Value)) { |
| throw EvaluateExceptionUtil.createEvaluateException(DebuggerBundle.message("evaluation.error.not.rvalue")); |
| } |
| |
| assign(modifier, right, context); |
| |
| return right; |
| } |
| |
| static void assign(Modifier modifier, Object right, EvaluationContextImpl context) throws EvaluateException { |
| if(modifier == null) { |
| throw EvaluateExceptionUtil.createEvaluateException(DebuggerBundle.message("evaluation.error.not.lvalue")); |
| } |
| try { |
| modifier.setValue(((Value)right)); |
| } |
| catch (ClassNotLoadedException e) { |
| if (!context.isAutoLoadClasses()) { |
| throw EvaluateExceptionUtil.createEvaluateException(e); |
| } |
| try { |
| context.getDebugProcess().loadClass(context, e.className(), context.getClassLoader()); |
| } |
| catch (InvocationException e1) { |
| throw EvaluateExceptionUtil.createEvaluateException(e1); |
| } |
| catch (ClassNotLoadedException e1) { |
| throw EvaluateExceptionUtil.createEvaluateException(e1); |
| } |
| catch (IncompatibleThreadStateException e1) { |
| throw EvaluateExceptionUtil.createEvaluateException(e1); |
| } |
| catch (InvalidTypeException e1) { |
| throw EvaluateExceptionUtil.createEvaluateException(e1); |
| } |
| } |
| catch (InvalidTypeException e) { |
| throw EvaluateExceptionUtil.createEvaluateException(e); |
| } |
| } |
| |
| public Modifier getModifier() { |
| return myLeftEvaluator.getModifier(); |
| } |
| } |