/*
* 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.swf7;
import com.jpexs.decompiler.flash.BaseLocalData;
import com.jpexs.decompiler.flash.action.Action;
import com.jpexs.decompiler.flash.action.ActionScriptObject;
import com.jpexs.decompiler.flash.action.LocalDataArea;
import com.jpexs.decompiler.flash.action.model.ExtendsActionItem;
import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import java.util.HashMap;
import java.util.List;
/**
*
* @author JPEXS
*/
@SWFVersion(from = 7)
public class ActionExtends extends Action {
public ActionExtends() {
super(0x69, 0);
}
@Override
public String toString() {
return "Extends";
}
@Override
public boolean execute(LocalDataArea lda) {
if (lda.stack.size() < 2) {
return false;
}
//TODO: check if its really ActionScriptObject ?
ActionScriptObject superClass = (ActionScriptObject) lda.pop();
ActionScriptObject subClass = (ActionScriptObject) lda.pop();
ActionScriptObject newClass = new ActionScriptObject();
newClass.setMember("proto", superClass.getMember("prototype"));
newClass.setMember("constructor", superClass);
subClass.setMember("prototype", newClass);
subClass.setExtendsObj(superClass);
return true;
}
@Override
public void translate(GraphSourceItem lineStartAction, TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
GraphTargetItem superclass = stack.pop();
GraphTargetItem subclass = stack.pop();
output.add(new ExtendsActionItem(this, lineStartAction, subclass, superclass));
}
@Override
public int getStackPopCount(BaseLocalData localData, TranslateStack stack) {
return 2;
}
}