/* * 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.arithmetic; import com.jpexs.decompiler.flash.abc.ABC; import com.jpexs.decompiler.flash.abc.AVM2LocalData; 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.operations.AddAVM2Item; import com.jpexs.decompiler.flash.ecma.EcmaScript; import com.jpexs.decompiler.flash.ecma.EcmaType; import com.jpexs.decompiler.graph.GraphTargetItem; import com.jpexs.decompiler.graph.TranslateStack; import java.util.List; /** * * @author JPEXS */ public class AddIns extends InstructionDefinition { public AddIns() { super(0xa0, "add", new int[]{}, true); } @Override public boolean execute(LocalDataArea lda, AVM2ConstantPool constants, AVM2Instruction ins) { Object right = EcmaScript.toPrimitive(lda.operandStack.pop(), ""); Object left = EcmaScript.toPrimitive(lda.operandStack.pop(), ""); if (EcmaScript.type(left) == EcmaType.STRING || EcmaScript.type(right) == EcmaType.STRING) { String ret = EcmaScript.toString(left) + EcmaScript.toString(right); lda.operandStack.push(ret); } else { Double ret = EcmaScript.toNumber(left) + EcmaScript.toNumber(right); lda.operandStack.push(ret); } return true; } @Override public void translate(AVM2LocalData localData, TranslateStack stack, AVM2Instruction ins, List<GraphTargetItem> output, String path) { GraphTargetItem v2 = stack.pop(); GraphTargetItem v1 = stack.pop(); stack.push(new AddAVM2Item(ins, localData.lineStartInstruction, v1, v2)); } @Override public int getStackPopCount(AVM2Instruction ins, ABC abc) { return 2; } @Override public int getStackPushCount(AVM2Instruction ins, ABC abc) { return 1; } }