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fernflower/src/org/jetbrains/java/decompiler/code/ExceptionTable.java

48 lines
1.3 KiB

// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.java.decompiler.code;
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import org.jetbrains.java.decompiler.code.interpreter.Util;
import org.jetbrains.java.decompiler.struct.StructContext;
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import java.util.Collections;
import java.util.List;
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public class ExceptionTable {
public static final ExceptionTable EMPTY = new ExceptionTable(null) {
@Override
public List<ExceptionHandler> getHandlers() {
return Collections.emptyList();
}
};
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private final List<ExceptionHandler> handlers;
public ExceptionTable(List<ExceptionHandler> 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<ExceptionHandler> getHandlers() {
return handlers;
}
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}