You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.3 KiB
150 lines
4.3 KiB
// Copyright 2000-2018 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.modules.decompiler.stats;
|
|
|
|
import org.jetbrains.java.decompiler.code.CodeConstants;
|
|
import org.jetbrains.java.decompiler.code.cfg.BasicBlock;
|
|
import org.jetbrains.java.decompiler.main.collectors.BytecodeMappingTracer;
|
|
import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
|
|
import org.jetbrains.java.decompiler.modules.decompiler.SequenceHelper;
|
|
import org.jetbrains.java.decompiler.modules.decompiler.StatEdge;
|
|
import org.jetbrains.java.decompiler.modules.decompiler.exps.Exprent;
|
|
import org.jetbrains.java.decompiler.util.TextBuffer;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
|
|
public class SynchronizedStatement extends Statement {
|
|
|
|
private Statement body;
|
|
|
|
private final List<Exprent> headexprent = new ArrayList<>(1);
|
|
|
|
// *****************************************************************************
|
|
// constructors
|
|
// *****************************************************************************
|
|
|
|
public SynchronizedStatement() {
|
|
type = TYPE_SYNCRONIZED;
|
|
|
|
headexprent.add(null);
|
|
}
|
|
|
|
public SynchronizedStatement(Statement head, Statement body, Statement exc) {
|
|
|
|
this();
|
|
|
|
first = head;
|
|
stats.addWithKey(head, head.id);
|
|
|
|
this.body = body;
|
|
stats.addWithKey(body, body.id);
|
|
|
|
stats.addWithKey(exc, exc.id);
|
|
|
|
List<StatEdge> lstSuccs = body.getSuccessorEdges(STATEDGE_DIRECT_ALL);
|
|
if (!lstSuccs.isEmpty()) {
|
|
StatEdge edge = lstSuccs.get(0);
|
|
if (edge.getType() == StatEdge.TYPE_REGULAR) {
|
|
post = edge.getDestination();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// *****************************************************************************
|
|
// public methods
|
|
// *****************************************************************************
|
|
|
|
@Override
|
|
public TextBuffer toJava(int indent, BytecodeMappingTracer tracer) {
|
|
TextBuffer buf = new TextBuffer();
|
|
buf.append(ExprProcessor.listToJava(varDefinitions, indent, tracer));
|
|
buf.append(first.toJava(indent, tracer));
|
|
|
|
if (isLabeled()) {
|
|
buf.appendIndent(indent).append("label").append(this.id.toString()).append(":").appendLineSeparator();
|
|
tracer.incrementCurrentSourceLine();
|
|
}
|
|
|
|
buf.appendIndent(indent).append(headexprent.get(0).toJava(indent, tracer)).append(" {").appendLineSeparator();
|
|
tracer.incrementCurrentSourceLine();
|
|
|
|
buf.append(ExprProcessor.jmpWrapper(body, indent + 1, true, tracer));
|
|
|
|
buf.appendIndent(indent).append("}").appendLineSeparator();
|
|
mapMonitorExitInstr(tracer);
|
|
tracer.incrementCurrentSourceLine();
|
|
|
|
return buf;
|
|
}
|
|
|
|
private void mapMonitorExitInstr(BytecodeMappingTracer tracer) {
|
|
BasicBlock block = body.getBasichead().getBlock();
|
|
if (!block.getSeq().isEmpty() && block.getLastInstruction().opcode == CodeConstants.opc_monitorexit) {
|
|
Integer offset = block.getOldOffset(block.size() - 1);
|
|
if (offset > -1) tracer.addMapping(offset);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void initExprents() {
|
|
headexprent.set(0, first.getExprents().remove(first.getExprents().size() - 1));
|
|
}
|
|
|
|
@Override
|
|
public List<Object> getSequentialObjects() {
|
|
|
|
List<Object> lst = new ArrayList<>(stats);
|
|
lst.add(1, headexprent.get(0));
|
|
|
|
return lst;
|
|
}
|
|
|
|
@Override
|
|
public void replaceExprent(Exprent oldexpr, Exprent newexpr) {
|
|
if (headexprent.get(0) == oldexpr) {
|
|
headexprent.set(0, newexpr);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void replaceStatement(Statement oldstat, Statement newstat) {
|
|
|
|
if (body == oldstat) {
|
|
body = newstat;
|
|
}
|
|
|
|
super.replaceStatement(oldstat, newstat);
|
|
}
|
|
|
|
public void removeExc() {
|
|
Statement exc = stats.get(2);
|
|
SequenceHelper.destroyStatementContent(exc, true);
|
|
|
|
stats.removeWithKey(exc.id);
|
|
}
|
|
|
|
@Override
|
|
public Statement getSimpleCopy() {
|
|
return new SynchronizedStatement();
|
|
}
|
|
|
|
@Override
|
|
public void initSimpleCopy() {
|
|
first = stats.get(0);
|
|
body = stats.get(1);
|
|
}
|
|
|
|
// *****************************************************************************
|
|
// getter and setter methods
|
|
// *****************************************************************************
|
|
|
|
public Statement getBody() {
|
|
return body;
|
|
}
|
|
|
|
public List<Exprent> getHeadexprentList() {
|
|
return headexprent;
|
|
}
|
|
} |