/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.action.model;
import com.jpexs.decompiler.flash.IdentifiersDeobfuscation;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.action.parser.script.ActionSourceGenerator;
import com.jpexs.decompiler.flash.action.swf4.ActionPush;
import com.jpexs.decompiler.flash.action.swf4.ActionSetVariable;
import com.jpexs.decompiler.flash.action.swf4.RegisterNumber;
import com.jpexs.decompiler.flash.action.swf5.ActionStoreRegister;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.flash.helpers.hilight.HighlightData;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.GraphPart;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphSourceItemPos;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.List;
import java.util.Set;
/**
*
* @author JPEXS
*/
public class SetVariableActionItem extends ActionItem implements SetTypeActionItem {
public GraphTargetItem name;
private int tempRegister = -1;
@Override
public GraphPart getFirstPart() {
return value.getFirstPart();
}
@Override
public void setValue(GraphTargetItem value) {
this.value = value;
}
@Override
public int getTempRegister() {
return tempRegister;
}
@Override
public void setTempRegister(int tempRegister) {
this.tempRegister = tempRegister;
}
@Override
public GraphTargetItem getValue() {
return value;
}
public SetVariableActionItem(GraphSourceItem instruction, GraphSourceItem lineStartIns, GraphTargetItem name, GraphTargetItem value) {
super(instruction, lineStartIns, PRECEDENCE_ASSIGMENT, value);
this.name = name;
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
if (((name instanceof DirectValueActionItem)) && (((DirectValueActionItem) name).isString()) && (!IdentifiersDeobfuscation.isValidName(false, ((DirectValueActionItem) name).toStringNoQuotes(localData), "this", "super"))) {
HighlightData srcData = getSrcData();
srcData.localName = name.toStringNoQuotes(localData);
IdentifiersDeobfuscation.appendObfuscatedIdentifier(((DirectValueActionItem) name).toStringNoQuotes(localData), writer);
writer.append(" = ");
return value.toString(writer, localData);
} else if ((!(name instanceof DirectValueActionItem)) || (!((DirectValueActionItem) name).isString())) {
writer.append("set");
writer.spaceBeforeCallParenthesies(2);
writer.append("(");
name.toString(writer, localData);
writer.append(",");
value.toString(writer, localData);
return writer.append(")");
}
HighlightData srcData = getSrcData();
srcData.localName = name.toStringNoQuotes(localData);
stripQuotes(name, localData, writer);
writer.append(" = ");
return value.toString(writer, localData);
}
@Override
public GraphTargetItem getObject() {
return new GetVariableActionItem(getSrc(), getLineStartItem(), name);
}
@Override
public List<GraphSourceItemPos> getNeededSources() {
List<GraphSourceItemPos> ret = super.getNeededSources();
ret.addAll(name.getNeededSources());
ret.addAll(value.getNeededSources());
return ret;
}
@Override
public boolean isCompileTime(Set<GraphTargetItem> dependencies) {
if (dependencies.contains(value)) {
return false;
}
dependencies.add(value);
return value.isCompileTime(dependencies);
}
@Override
public boolean hasSideEffect() {
return true;
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
ActionSourceGenerator asGenerator = (ActionSourceGenerator) generator;
int tmpReg = asGenerator.getTempRegister(localData);
try {
return toSourceMerge(localData, generator, name, value, new ActionStoreRegister(tmpReg), new ActionSetVariable(), new ActionPush(new RegisterNumber(tmpReg)));
} finally {
asGenerator.releaseTempRegister(localData, tmpReg);
}
}
@Override
public List<GraphSourceItem> toSourceIgnoreReturnValue(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
return toSourceMerge(localData, generator, name, value, new ActionSetVariable());
}
@Override
public boolean hasReturnValue() {
return false;
}
}