/*
* 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.exceptions.AVM2ExecutionException;
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.NewArrayAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.NullAVM2Item;
import com.jpexs.decompiler.flash.ecma.ArrayType;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import com.jpexs.decompiler.graph.model.PopItem;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author JPEXS
*/
public class NewArrayIns extends InstructionDefinition {
public NewArrayIns() {
super(0x56, "newarray", new int[]{AVM2Code.DAT_ARG_COUNT}, true);
}
@Override
public boolean execute(LocalDataArea lda, AVM2ConstantPool constants, AVM2Instruction ins) throws AVM2ExecutionException {
//TODO: moar
if (ins.operands[0] == 0) {
lda.operandStack.push(ArrayType.EMPTY_ARRAY);
return true;
}
return false;
}
@Override
public void translate(AVM2LocalData localData, TranslateStack stack, AVM2Instruction ins, List<GraphTargetItem> output, String path) {
int argCount = ins.operands[0];
List<GraphTargetItem> args = new ArrayList<>();
for (int a = 0; a < argCount; a++) {
GraphTargetItem item = stack.pop();
//No PopItems in this loop, since some obfuscators put there large numbers
if (item instanceof PopItem) {
stack.push(new NullAVM2Item(ins, localData.lineStartInstruction));
return;
}
args.add(0, item);
}
stack.push(new NewArrayAVM2Item(ins, localData.lineStartInstruction, args));
}
@Override
public int getStackPopCount(AVM2Instruction ins, ABC abc) {
return ins.operands[0];
}
@Override
public int getStackPushCount(AVM2Instruction ins, ABC abc) {
return 1;
}
}