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/*
* Copyright 2000-2014 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.cfg;
import org.jetbrains.java.decompiler.main.DecompilerContext;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class ExceptionRangeCFG {
private List<BasicBlock> protectedRange = new ArrayList<BasicBlock>(); // FIXME: replace with set
private BasicBlock handler;
private List<String> exceptionTypes;
public ExceptionRangeCFG(List<BasicBlock> protectedRange, BasicBlock handler, List<String> exceptionType) {
this.protectedRange = protectedRange;
this.handler = handler;
if (exceptionType != null) {
this.exceptionTypes = new ArrayList<String>(exceptionType);
}
}
public boolean isCircular() {
return protectedRange.contains(handler);
}
public String toString() {
String new_line_separator = DecompilerContext.getNewLineSeparator();
StringBuilder buf = new StringBuilder();
buf.append("exceptionType:");
for (String exception_type : exceptionTypes) {
buf.append(" ").append(exception_type);
}
buf.append(new_line_separator);
buf.append("handler: ").append(handler.id).append(new_line_separator);
buf.append("range: ");
for (int i = 0; i < protectedRange.size(); i++) {
buf.append(protectedRange.get(i).id).append(" ");
}
buf.append(new_line_separator);
return buf.toString();
}
public BasicBlock getHandler() {
return handler;
}
public void setHandler(BasicBlock handler) {
this.handler = handler;
}
public List<BasicBlock> getProtectedRange() {
return protectedRange;
}
public void setProtectedRange(List<BasicBlock> protectedRange) {
this.protectedRange = protectedRange;
}
public List<String> getExceptionTypes() {
return this.exceptionTypes;
}
public void addExceptionType(String exceptionType) {
if (this.exceptionTypes == null) {
return;
}
if (exceptionType == null) {
this.exceptionTypes = null;
}
else {
this.exceptionTypes.add(exceptionType);
}
}
public String getUniqueExceptionsString() {
if (exceptionTypes == null) {
return null;
}
Set<String> setExceptionStrings = new HashSet<String>();
for (String exceptionType : exceptionTypes) { // normalize order
setExceptionStrings.add(exceptionType);
}
String ret = "";
for (String exception : setExceptionStrings) {
if (!ret.isEmpty()) {
ret += ":";
}
ret += exception;
}
return ret;
}
// public void setExceptionType(String exceptionType) {
// this.exceptionType = exceptionType;
// }
}
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