org.jetbrains.java.decompiler.code.ExceptionTable Maven / Gradle / Ivy
/*
* Copyright 2000-2015 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 org.jetbrains.java.decompiler.code;
import org.jetbrains.java.decompiler.code.interpreter.Util;
import org.jetbrains.java.decompiler.struct.StructContext;
import java.util.Collections;
import java.util.List;
public class ExceptionTable {
public static final ExceptionTable EMPTY = new ExceptionTable(null) {
@Override
public List getHandlers() {
return Collections.emptyList();
}
};
private final List handlers;
public ExceptionTable(List handlers) {
this.handlers = handlers;
}
public ExceptionHandler getHandlerByClass(StructContext context, int line, String valclass, boolean withany) {
ExceptionHandler res = null; // no handler found
for (ExceptionHandler handler : handlers) {
if (handler.from <= line && handler.to > line) {
String name = handler.exceptionClass;
if ((withany && name == null) || // any -> finally or synchronized handler
(name != null && Util.instanceOf(context, valclass, name))) {
res = handler;
break;
}
}
}
return res;
}
public List getHandlers() {
return handlers;
}
}