/*
* 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.instructions.other;
import com.jpexs.decompiler.flash.abc.ABC;
import com.jpexs.decompiler.flash.abc.AVM2LocalData;
import com.jpexs.decompiler.flash.abc.avm2.AVM2Code;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.InstructionDefinition;
import com.jpexs.decompiler.flash.abc.avm2.instructions.SetTypeIns;
import com.jpexs.decompiler.flash.abc.avm2.model.AVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.ApplyTypeAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.ConstructAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.DecrementAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.FullMultinameAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.GetPropertyAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.IncrementAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.InitVectorAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.LocalRegAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.PostDecrementAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.PostIncrementAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.SetPropertyAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.operations.PreDecrementAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.operations.PreIncrementAVM2Item;
import com.jpexs.decompiler.flash.abc.types.MethodBody;
import com.jpexs.decompiler.graph.DottedChain;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Stack;
/**
*
* @author JPEXS
*/
public class SetPropertyIns extends InstructionDefinition implements SetTypeIns {
public SetPropertyIns() {
super(0x61, "setproperty", new int[]{AVM2Code.DAT_MULTINAME_INDEX}, true);
}
@Override
public void translate(AVM2LocalData localData, TranslateStack stack, AVM2Instruction ins, List<GraphTargetItem> output, String path) {
int multinameIndex = ins.operands[0];
GraphTargetItem value = stack.pop();
FullMultinameAVM2Item multiname = resolveMultiname(localData, true, stack, localData.getConstants(), multinameIndex, ins);
GraphTargetItem obj = stack.pop();
if (value.getThroughDuplicate().getThroughRegister().getThroughDuplicate() instanceof IncrementAVM2Item) {
GraphTargetItem inside = ((IncrementAVM2Item) value.getThroughDuplicate().getThroughRegister().getThroughDuplicate()).value.getThroughRegister().getNotCoerced().getThroughDuplicate();
if (inside instanceof GetPropertyAVM2Item) {
GetPropertyAVM2Item insideProp = ((GetPropertyAVM2Item) inside);
if (((FullMultinameAVM2Item) insideProp.propertyName).compareSame(multiname)) {
GraphTargetItem insideObj = obj.getThroughDuplicate();
if (insideObj instanceof LocalRegAVM2Item) {
if (((LocalRegAVM2Item) insideObj).computedValue != null) {
insideObj = ((LocalRegAVM2Item) insideObj).computedValue.getThroughNotCompilable().getThroughDuplicate();
}
}
if (insideProp.object.getThroughDuplicate() == insideObj) {
if (stack.size() > 0) {
GraphTargetItem top = stack.peek().getNotCoerced().getThroughDuplicate();
if (top == insideProp) {
stack.pop();
stack.push(new PostIncrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
} else if ((top instanceof IncrementAVM2Item) && (((IncrementAVM2Item) top).value == inside)) {
stack.pop();
stack.push(new PreIncrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
} else {
output.add(new PostIncrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
}
} else {
output.add(new PostIncrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
}
return;
}
}
}
}
if (value.getThroughDuplicate().getThroughRegister().getThroughDuplicate() instanceof DecrementAVM2Item) {
GraphTargetItem inside = ((DecrementAVM2Item) value.getThroughDuplicate().getThroughRegister().getThroughDuplicate()).value.getThroughRegister().getNotCoerced().getThroughDuplicate();
if (inside instanceof GetPropertyAVM2Item) {
GetPropertyAVM2Item insideProp = ((GetPropertyAVM2Item) inside);
if (((FullMultinameAVM2Item) insideProp.propertyName).compareSame(multiname)) {
GraphTargetItem insideObj = obj.getThroughDuplicate();
if (insideObj instanceof LocalRegAVM2Item) {
if (((LocalRegAVM2Item) insideObj).computedValue != null) {
insideObj = ((LocalRegAVM2Item) insideObj).computedValue.getThroughNotCompilable().getThroughDuplicate();
}
}
if (insideProp.object.getThroughDuplicate() == insideObj) {
if (stack.size() > 0) {
GraphTargetItem top = stack.peek().getNotCoerced().getThroughDuplicate();
if (top == insideProp) {
stack.pop();
stack.push(new PostDecrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
} else if ((top instanceof DecrementAVM2Item) && (((DecrementAVM2Item) top).value == inside)) {
stack.pop();
stack.push(new PreDecrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
} else {
output.add(new PostDecrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
}
} else {
output.add(new PostDecrementAVM2Item(ins, localData.lineStartInstruction, insideProp));
}
return;
}
}
}
}
if (obj.getThroughDuplicate() instanceof ConstructAVM2Item) {
ConstructAVM2Item c = (ConstructAVM2Item) obj.getThroughDuplicate();
if (c.object instanceof ApplyTypeAVM2Item) {
ApplyTypeAVM2Item at = (ApplyTypeAVM2Item) c.object;
c.args.clear();
List<GraphTargetItem> vals = new ArrayList<>();
vals.add(value);
c.object = new InitVectorAVM2Item(c.getInstruction(), c.getLineStartIns(), at.params.get(0), vals);
return;
} else if (c.object instanceof InitVectorAVM2Item) {
InitVectorAVM2Item iv = (InitVectorAVM2Item) c.object;
iv.arguments.add(value);
return;
}
}
output.add(new SetPropertyAVM2Item(ins, localData.lineStartInstruction, obj, multiname, value));
}
@Override
public int getStackPopCount(AVM2Instruction ins, ABC abc) {
int multinameIndex = ins.operands[0];
return 2 + getMultinameRequiredStackSize(abc.constants, multinameIndex);
}
@Override
public String getObject(Stack<AVM2Item> stack, ABC abc, AVM2Instruction ins, List<AVM2Item> output, MethodBody body, HashMap<Integer, String> localRegNames, List<DottedChain> fullyQualifiedNames) {
int multinameIndex = ins.operands[0];
String multiname = resolveMultinameNoPop(0, stack, abc.constants, multinameIndex, ins, fullyQualifiedNames);
GraphTargetItem obj = stack.get(1 + resolvedCount(abc.constants, multinameIndex)); //pod vrcholem
if ((!obj.toString().isEmpty())) {
multiname = "." + multiname;
}
return obj + multiname;
}
}