/*
* 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.modules.decompiler.exps;
import org.jetbrains.java.decompiler.main.TextBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.jetbrains.java.decompiler.main.collectors.BytecodeMappingTracer;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
public class MonitorExprent extends Exprent {
public static final int MONITOR_ENTER = 0;
public static final int MONITOR_EXIT = 1;
private int montype;
private Exprent value;
{
this.type = EXPRENT_MONITOR;
}
public MonitorExprent(int montype, Exprent value, Set<Integer> bytecode_offsets) {
this.montype = montype;
this.value = value;
addBytecodeOffsets(bytecode_offsets);
}
@Override
public Exprent copy() {
return new MonitorExprent(montype, value.copy(), bytecode);
}
public List<Exprent> getAllExprents() {
List<Exprent> lst = new ArrayList<Exprent>();
lst.add(value);
return lst;
}
@Override
public TextBuffer toJava(int indent, BytecodeMappingTracer tracer) {
tracer.addMapping(bytecode);
if (montype == MONITOR_ENTER) {
return value.toJava(indent, tracer).enclose("synchronized(", ")");
}
else {
return new TextBuffer();
}
}
public boolean equals(Object o) {
if (o == this) return true;
if (o == null || !(o instanceof MonitorExprent)) return false;
MonitorExprent me = (MonitorExprent)o;
return montype == me.getMontype() &&
InterpreterUtil.equalObjects(value, me.getValue());
}
public void replaceExprent(Exprent oldexpr, Exprent newexpr) {
if (oldexpr == value) {
value = newexpr;
}
}
public int getMontype() {
return montype;
}
public Exprent getValue() {
return value;
}
}