/*
* Copyright 2014 Alexey Andreev.
*
* 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 org.teavm.maven;
import org.teavm.dependency.*;
import org.teavm.model.ClassReader;
import org.teavm.model.ClassReaderSource;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
/**
*
* @author Alexey Andreev
*/
class TestExceptionDependency implements DependencyListener {
private MethodReference getMessageRef = new MethodReference("java.lang.Throwable", "getMessage",
ValueType.object("java.lang.String"));
private DependencyNode allClasses;
@Override
public void started(DependencyAgent agent) {
allClasses = agent.createNode();
}
@Override
public void classAchieved(DependencyAgent agent, String className) {
if (isException(agent.getClassSource(), className)) {
allClasses.propagate(agent.getType(className));
}
}
private boolean isException(ClassReaderSource classSource, String className) {
while (className != null) {
if (className.equals("java.lang.Throwable")) {
return true;
}
ClassReader cls = classSource.get(className);
if (cls == null) {
return false;
}
className = cls.getParent();
}
return false;
}
@Override
public void methodAchieved(DependencyAgent agent, MethodDependency method) {
if (method.getReference().equals(getMessageRef)) {
allClasses.connect(method.getVariable(0));
}
}
@Override
public void fieldAchieved(DependencyAgent agent, FieldDependency field) {
}
}