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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.
*/
/**
* class NewArrayInstanceEvaluator
* created Jun 27, 2001
* @author Jeka
*/
package com.intellij.debugger.engine.evaluation.expression;
import com.intellij.debugger.engine.DebugProcessImpl;
import com.intellij.debugger.engine.JVMName;
import com.intellij.debugger.engine.evaluation.EvaluateException;
import com.intellij.debugger.engine.evaluation.EvaluateExceptionUtil;
import com.intellij.debugger.engine.evaluation.EvaluationContextImpl;
import com.intellij.debugger.impl.DebuggerUtilsEx;
import com.intellij.debugger.DebuggerBundle;
import com.sun.jdi.ClassType;
import com.sun.jdi.Method;
import com.sun.jdi.ObjectReference;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
class NewClassInstanceEvaluator implements Evaluator {
private final Evaluator myClassTypeEvaluator;
private final JVMName myConstructorSignature;
private final Evaluator[] myParamsEvaluators;
public NewClassInstanceEvaluator(Evaluator classTypeEvaluator, JVMName constructorSignature, Evaluator[] argumentEvaluators) {
myClassTypeEvaluator = classTypeEvaluator;
myConstructorSignature = constructorSignature;
myParamsEvaluators = argumentEvaluators;
}
public Object evaluate(EvaluationContextImpl context) throws EvaluateException {
DebugProcessImpl debugProcess = context.getDebugProcess();
Object obj = myClassTypeEvaluator.evaluate(context);
if (!(obj instanceof ClassType)) {
throw EvaluateExceptionUtil.createEvaluateException(DebuggerBundle.message("evaluation.error.cannot.evaluate.class.type"));
}
ClassType classType = (ClassType)obj;
// find constructor
Method method = DebuggerUtilsEx.findMethod(classType, "<init>", myConstructorSignature.getName(debugProcess));
if (method == null) {
throw EvaluateExceptionUtil.createEvaluateException(
DebuggerBundle.message("evaluation.error.cannot.resolve.constructor", myConstructorSignature.getDisplayName(debugProcess)));
}
// evaluate arguments
List<Object> arguments;
if (myParamsEvaluators != null) {
arguments = new ArrayList<Object>(myParamsEvaluators.length);
for (Evaluator evaluator : myParamsEvaluators) {
arguments.add(evaluator.evaluate(context));
}
}
else {
arguments = Collections.emptyList();
}
ObjectReference objRef;
try {
objRef = debugProcess.newInstance(context, classType, method, arguments);
}
catch (EvaluateException e) {
throw EvaluateExceptionUtil.createEvaluateException(e);
}
return objRef;
}
public Modifier getModifier() {
return null;
}
}
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