/*
* 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.construction;
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.AVM2ConstantPool;
import com.jpexs.decompiler.flash.abc.avm2.LocalDataArea;
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.model.ConstructAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.EscapeXAttrAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.EscapeXElemAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.FindPropertyAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.FullMultinameAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.GetLexAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.GetPropertyAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.RegExpAvm2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.StringAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.XMLAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.operations.AddAVM2Item;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author JPEXS
*/
public class ConstructIns extends InstructionDefinition {
public ConstructIns() {
super(0x42, "construct", new int[]{AVM2Code.DAT_ARG_COUNT}, true);
}
@Override
public boolean execute(LocalDataArea lda, AVM2ConstantPool constants, AVM2Instruction ins) {
/*int argCount = ins.getParamAsLong(constants, 0).intValue();
List<Object> passArguments = new ArrayList<Object>();
for (int i = argCount - 1; i >= 0; i--) {
passArguments.set(i, lda.operandStack.pop());
}
Object obj = lda.operandStack.pop();*/
//lda.executionException = "Cannot call constructor";
return false;
//call construct property of obj
//push new instance
}
public static boolean walkXML(GraphTargetItem item, List<GraphTargetItem> list) {
boolean ret = true;
if (item instanceof StringAVM2Item) {
list.add(item);
} else if (item instanceof AddAVM2Item) {
ret = ret && walkXML(((AddAVM2Item) item).leftSide, list);
ret = ret && walkXML(((AddAVM2Item) item).rightSide, list);
} else if ((item instanceof EscapeXElemAVM2Item) || (item instanceof EscapeXAttrAVM2Item)) {
list.add(item);
} else {
return false;
}
return ret;
}
@Override
public void translate(AVM2LocalData localData, TranslateStack stack, AVM2Instruction ins, List<GraphTargetItem> output, String path) throws InterruptedException {
int argCount = ins.operands[0];
List<GraphTargetItem> args = new ArrayList<>();
for (int a = 0; a < argCount; a++) {
args.add(0, stack.pop());
}
GraphTargetItem obj = stack.pop();
boolean isXML = false;
if (obj instanceof GetPropertyAVM2Item) {
GetPropertyAVM2Item gpt = (GetPropertyAVM2Item) obj;
if (gpt.object instanceof FindPropertyAVM2Item) {
FindPropertyAVM2Item fpt = (FindPropertyAVM2Item) gpt.object;
FullMultinameAVM2Item fptXmlMult = (FullMultinameAVM2Item) fpt.propertyName;
FullMultinameAVM2Item gptXmlMult = (FullMultinameAVM2Item) gpt.propertyName;
isXML = fptXmlMult.isXML(localData.getConstants(), localData.localRegNames, localData.fullyQualifiedNames)
&& gptXmlMult.isXML(localData.getConstants(), localData.localRegNames, localData.fullyQualifiedNames);
}
}
if (obj instanceof GetLexAVM2Item) {
GetLexAVM2Item glt = (GetLexAVM2Item) obj;
isXML = glt.propertyName.getName(localData.getConstants(), localData.fullyQualifiedNames, true, true).equals("XML");
}
if (isXML) {
if (args.size() == 1) {
GraphTargetItem arg = args.get(0);
List<GraphTargetItem> xmlLines = new ArrayList<>();
if (walkXML(arg, xmlLines)) {
stack.push(new XMLAVM2Item(ins, localData.lineStartInstruction, xmlLines));
return;
}
}
}
boolean isRegExp = false;
if (obj instanceof GetPropertyAVM2Item) {
GetPropertyAVM2Item gpt = (GetPropertyAVM2Item) obj;
if (gpt.object instanceof FindPropertyAVM2Item) {
FindPropertyAVM2Item fpt = (FindPropertyAVM2Item) gpt.object;
FullMultinameAVM2Item fptRegExpMult = (FullMultinameAVM2Item) fpt.propertyName;
FullMultinameAVM2Item gptRegExpMult = (FullMultinameAVM2Item) gpt.propertyName;
isRegExp = fptRegExpMult.isTopLevel("RegExp", localData.getConstants(), localData.localRegNames, localData.fullyQualifiedNames)
&& gptRegExpMult.isTopLevel("RegExp", localData.getConstants(), localData.localRegNames, localData.fullyQualifiedNames);
}
}
if (obj instanceof GetLexAVM2Item) {
GetLexAVM2Item glt = (GetLexAVM2Item) obj;
isRegExp = glt.propertyName.getName(localData.getConstants(), localData.fullyQualifiedNames, true, true).equals("RegExp");
}
if (isRegExp && (args.size() >= 1) && (args.get(0) instanceof StringAVM2Item) && (args.size() == 1 || (args.size() == 2 && args.get(1) instanceof StringAVM2Item))) {
String pattern = ((StringAVM2Item) args.get(0)).getValue();
String modifiers = "";
if (args.size() == 2) {
modifiers = ((StringAVM2Item) args.get(1)).getValue();
}
stack.push(new RegExpAvm2Item(pattern, modifiers, ins, localData.lineStartInstruction));
return;
}
stack.push(new ConstructAVM2Item(ins, localData.lineStartInstruction, obj, args));
}
@Override
public int getStackPopCount(AVM2Instruction ins, ABC abc) {
return ins.operands[0] + 1;
}
@Override
public int getStackPushCount(AVM2Instruction ins, ABC abc) {
return 1;
}
}