/*
* 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.abc.avm2.model;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instructions;
import com.jpexs.decompiler.flash.abc.avm2.model.clauses.AssignmentAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.clauses.DeclarationAVM2Item;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.TypeItem;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.List;
/**
*
* @author JPEXS
*/
public class SetLocalAVM2Item extends AVM2Item implements SetTypeAVM2Item, AssignmentAVM2Item {
public int regIndex;
public DeclarationAVM2Item declaration;
@Override
public DeclarationAVM2Item getDeclaration() {
return declaration;
}
@Override
public void setDeclaration(DeclarationAVM2Item declaration) {
this.declaration = declaration;
}
public SetLocalAVM2Item(GraphSourceItem instruction, GraphSourceItem lineStartIns, int regIndex, GraphTargetItem value) {
super(instruction, lineStartIns, PRECEDENCE_ASSIGMENT, value);
this.regIndex = regIndex;
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
String localName = localRegName(localData.localRegNames, regIndex);
getSrcData().localName = localName;
writer.append(localName).append(" = ");
if (declaration != null && !declaration.type.equals(TypeItem.UNBOUNDED) && (value instanceof ConvertAVM2Item)) {
return value.value.toString(writer, localData);
}
return value.toString(writer, localData);
}
@Override
public GraphTargetItem getObject() {
return new LocalRegAVM2Item(getInstruction(), getLineStartIns(), regIndex, null);
}
@Override
public GraphTargetItem getValue() {
return value;
}
@Override
public boolean hasSideEffect() {
return true;
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
AVM2Instruction ins;
switch (regIndex) {
case 0:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal0, null);
break;
case 1:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal1, null);
break;
case 2:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal2, null);
break;
case 3:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal3, null);
break;
default:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal, new int[]{regIndex});
break;
}
return toSourceMerge(localData, generator, value,
new AVM2Instruction(0, AVM2Instructions.Dup, null), ins);
}
@Override
public List<GraphSourceItem> toSourceIgnoreReturnValue(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
AVM2Instruction ins;
switch (regIndex) {
case 0:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal0, null);
break;
case 1:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal1, null);
break;
case 2:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal2, null);
break;
case 3:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal3, null);
break;
default:
ins = new AVM2Instruction(0, AVM2Instructions.SetLocal, new int[]{regIndex});
break;
}
return toSourceMerge(localData, generator, value, ins);
}
@Override
public GraphTargetItem returnType() {
return TypeItem.UNBOUNDED;
}
@Override
public boolean hasReturnValue() {
return false;
}
}