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https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
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327 lines
12 KiB
Java
327 lines
12 KiB
Java
/*
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* Copyright (C) 2010-2013 JPEXS
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.jpexs.decompiler.flash.action.swf7;
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import com.jpexs.decompiler.flash.SWFInputStream;
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import com.jpexs.decompiler.flash.SWFOutputStream;
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import com.jpexs.decompiler.flash.action.Action;
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import com.jpexs.decompiler.flash.action.ActionGraph;
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import com.jpexs.decompiler.flash.action.parser.ASMParser;
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import com.jpexs.decompiler.flash.action.parser.FlasmLexer;
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import com.jpexs.decompiler.flash.action.parser.Label;
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import com.jpexs.decompiler.flash.action.parser.ParseException;
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import com.jpexs.decompiler.flash.action.special.ActionContainer;
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import com.jpexs.decompiler.flash.action.swf4.ActionPush;
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import com.jpexs.decompiler.flash.action.swf5.ActionDefineFunction;
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import com.jpexs.decompiler.flash.action.treemodel.FunctionTreeItem;
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import com.jpexs.decompiler.flash.graph.GraphTargetItem;
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import com.jpexs.decompiler.flash.helpers.Helper;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Stack;
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public class ActionDefineFunction2 extends Action implements ActionContainer {
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public String functionName;
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public List<String> paramNames = new ArrayList<String>();
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public List<Integer> paramRegisters = new ArrayList<Integer>();
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public boolean preloadParentFlag;
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public boolean preloadRootFlag;
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public boolean suppressSuperFlag;
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public boolean preloadSuperFlag;
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public boolean suppressArgumentsFlag;
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public boolean preloadArgumentsFlag;
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public boolean suppressThisFlag;
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public boolean preloadThisFlag;
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public boolean preloadGlobalFlag;
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public int registerCount;
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public int codeSize;
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public List<Action> code;
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private int version;
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public List<String> constantPool;
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public void setConstantPool(List<String> constantPool) {
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this.constantPool = constantPool;
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for (Action a : code) {
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if (a instanceof ActionPush) {
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((ActionPush) a).constantPool = constantPool;
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}
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if (a instanceof ActionDefineFunction2) {
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((ActionDefineFunction2) a).setConstantPool(constantPool);
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}
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if (a instanceof ActionDefineFunction) {
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((ActionDefineFunction) a).setConstantPool(constantPool);
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}
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}
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}
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public ActionDefineFunction2(int actionLength, SWFInputStream sis, int version) throws IOException {
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super(0x8E, actionLength);
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this.version = version;
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functionName = sis.readString();
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int numParams = sis.readUI16();
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registerCount = sis.readUI8();
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preloadParentFlag = sis.readUB(1) == 1;
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preloadRootFlag = sis.readUB(1) == 1;
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suppressSuperFlag = sis.readUB(1) == 1;
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preloadSuperFlag = sis.readUB(1) == 1;
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suppressArgumentsFlag = sis.readUB(1) == 1;
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preloadArgumentsFlag = sis.readUB(1) == 1;
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suppressThisFlag = sis.readUB(1) == 1;
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preloadThisFlag = sis.readUB(1) == 1;
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sis.readUB(7);//reserved
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preloadGlobalFlag = sis.readUB(1) == 1;
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for (int i = 0; i < numParams; i++) {
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paramRegisters.add(sis.readUI8());
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paramNames.add(sis.readString());
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}
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codeSize = sis.readUI16();
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//code = new ArrayList<Action>();
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code = (new SWFInputStream(new ByteArrayInputStream(sis.readBytes(codeSize)), version)).readActionList();
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}
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public ActionDefineFunction2(boolean ignoreNops, List<Label> labels, long address, FlasmLexer lexer, List<String> constantPool, int version) throws IOException, ParseException {
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super(0x8E, -1);
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functionName = lexString(lexer);
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int numParams = (int) lexLong(lexer);
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registerCount = (int) lexLong(lexer);
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preloadParentFlag = lexBoolean(lexer);
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preloadRootFlag = lexBoolean(lexer);
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suppressSuperFlag = lexBoolean(lexer);
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preloadSuperFlag = lexBoolean(lexer);
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suppressArgumentsFlag = lexBoolean(lexer);
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preloadArgumentsFlag = lexBoolean(lexer);
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suppressThisFlag = lexBoolean(lexer);
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preloadThisFlag = lexBoolean(lexer);
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preloadGlobalFlag = lexBoolean(lexer);
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for (int i = 0; i < numParams; i++) {
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paramRegisters.add((int) lexLong(lexer));
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paramNames.add(lexString(lexer));
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}
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lexBlockOpen(lexer);
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code = ASMParser.parse(ignoreNops, labels, address + getPreLen(version), lexer, constantPool, version);
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}
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@Override
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public byte[] getHeaderBytes() {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, version);
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ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
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try {
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sos.writeString(functionName);
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sos.writeUI16(paramNames.size());
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sos.writeUI8(registerCount);
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sos.writeUB(1, preloadParentFlag ? 1 : 0);
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sos.writeUB(1, preloadRootFlag ? 1 : 0);
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sos.writeUB(1, suppressSuperFlag ? 1 : 0);
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sos.writeUB(1, preloadSuperFlag ? 1 : 0);
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sos.writeUB(1, suppressArgumentsFlag ? 1 : 0);
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sos.writeUB(1, preloadArgumentsFlag ? 1 : 0);
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sos.writeUB(1, suppressThisFlag ? 1 : 0);
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sos.writeUB(1, preloadThisFlag ? 1 : 0);
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sos.writeUB(7, 0);
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sos.writeUB(1, preloadGlobalFlag ? 1 : 0);
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for (int i = 0; i < paramNames.size(); i++) {
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sos.writeUI8(paramRegisters.get(i));
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sos.writeString(paramNames.get(i));
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}
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byte codeBytes[] = Action.actionsToBytes(code, false, version);
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sos.writeUI16(codeBytes.length);
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sos.close();
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baos2.write(surroundWithAction(baos.toByteArray(), version));
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} catch (IOException e) {
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}
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return baos2.toByteArray();
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}
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@Override
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public byte[] getBytes(int version) {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, version);
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ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
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try {
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sos.writeString(functionName);
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sos.writeUI16(paramNames.size());
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sos.writeUI8(registerCount);
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sos.writeUB(1, preloadParentFlag ? 1 : 0);
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sos.writeUB(1, preloadRootFlag ? 1 : 0);
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sos.writeUB(1, suppressSuperFlag ? 1 : 0);
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sos.writeUB(1, preloadSuperFlag ? 1 : 0);
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sos.writeUB(1, suppressArgumentsFlag ? 1 : 0);
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sos.writeUB(1, preloadArgumentsFlag ? 1 : 0);
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sos.writeUB(1, suppressThisFlag ? 1 : 0);
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sos.writeUB(1, preloadThisFlag ? 1 : 0);
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sos.writeUB(7, 0);
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sos.writeUB(1, preloadGlobalFlag ? 1 : 0);
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for (int i = 0; i < paramNames.size(); i++) {
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sos.writeUI8(paramRegisters.get(i));
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sos.writeString(paramNames.get(i));
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}
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byte codeBytes[] = Action.actionsToBytes(code, false, version);
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sos.writeUI16(codeBytes.length);
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sos.close();
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baos2.write(surroundWithAction(baos.toByteArray(), version));
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baos2.write(codeBytes);
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} catch (IOException e) {
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}
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return baos2.toByteArray();
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}
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private long getPreLen(int version) {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, version);
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try {
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sos.writeString(functionName);
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sos.writeUI16(paramNames.size());
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sos.writeUI8(registerCount);
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sos.writeUB(1, preloadParentFlag ? 1 : 0);
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sos.writeUB(1, preloadRootFlag ? 1 : 0);
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sos.writeUB(1, suppressSuperFlag ? 1 : 0);
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sos.writeUB(1, preloadSuperFlag ? 1 : 0);
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sos.writeUB(1, suppressArgumentsFlag ? 1 : 0);
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sos.writeUB(1, preloadArgumentsFlag ? 1 : 0);
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sos.writeUB(1, suppressThisFlag ? 1 : 0);
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sos.writeUB(1, preloadThisFlag ? 1 : 0);
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sos.writeUB(7, 0);
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sos.writeUB(1, preloadGlobalFlag ? 1 : 0);
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for (int i = 0; i < paramNames.size(); i++) {
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sos.writeUI8(paramRegisters.get(i));
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sos.writeString(paramNames.get(i));
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}
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sos.writeUI16(0);
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sos.close();
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} catch (IOException e) {
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}
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return surroundWithAction(baos.toByteArray(), version).length;
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}
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@Override
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public void setAddress(long address, int version) {
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super.setAddress(address, version);
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Action.setActionsAddresses(code, address + getPreLen(version), version);
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}
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@Override
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public String getASMSource(List<Long> knownAddreses, List<String> constantPool, int version, boolean hex) {
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String paramStr = "";
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for (int i = 0; i < paramNames.size(); i++) {
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paramStr += paramRegisters.get(i) + " \"" + Helper.escapeString(paramNames.get(i)) + "\"";
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paramStr += " ";
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}
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return ("DefineFunction2 \"" + Helper.escapeString(functionName) + "\" " + paramRegisters.size() + " " + registerCount
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+ " " + preloadParentFlag
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+ " " + preloadRootFlag
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+ " " + suppressSuperFlag
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+ " " + preloadSuperFlag
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+ " " + suppressArgumentsFlag
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+ " " + preloadArgumentsFlag
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+ " " + suppressThisFlag
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+ " " + preloadThisFlag
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+ " " + preloadGlobalFlag).trim() + " " + paramStr + " {\r\n" + Action.actionsToString(code, knownAddreses, constantPool, version, hex) + "}";
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}
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@Override
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public String toString() {
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return "DefineFunction2";
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}
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public int getFirstRegister() {
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int pos = 1;
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if (preloadThisFlag) {
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pos++;
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}
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if (preloadArgumentsFlag) {
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pos++;
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}
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if (preloadSuperFlag) {
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pos++;
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}
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if (preloadRootFlag) {
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pos++;
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}
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if (preloadParentFlag) {
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pos++;
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}
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if (preloadGlobalFlag) {
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pos++;
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}
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return pos;
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}
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@Override
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public void translate(Stack<GraphTargetItem> stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions) {
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HashMap<Integer, String> funcRegNames = (HashMap<Integer, String>) regNames.clone();
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for (int f = 0; f < paramNames.size(); f++) {
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int reg = paramRegisters.get(f);
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if (reg != 0) {
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funcRegNames.put(reg, paramNames.get(f));
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}
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}
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int pos = 1;
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if (preloadThisFlag) {
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funcRegNames.put(pos, "this");
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pos++;
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}
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if (preloadArgumentsFlag) {
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funcRegNames.put(pos, "arguments");
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pos++;
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}
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if (preloadSuperFlag) {
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funcRegNames.put(pos, "super");
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pos++;
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}
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if (preloadRootFlag) {
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funcRegNames.put(pos, "_root");
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pos++;
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}
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if (preloadParentFlag) {
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funcRegNames.put(pos, "_parent");
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pos++;
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}
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if (preloadGlobalFlag) {
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funcRegNames.put(pos, "_global");
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pos++;
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}
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FunctionTreeItem fti = new FunctionTreeItem(this, functionName, paramNames, ActionGraph.translateViaGraph(funcRegNames, variables, functions, code, version), constantPool, getFirstRegister());
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functions.put(functionName, fti);
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stack.push(fti);
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}
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@Override
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public List<Long> getAllRefs(int version) {
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return Action.getActionsAllRefs(code, version);
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}
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@Override
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public List<Action> getAllIfsOrJumps() {
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return Action.getActionsAllIfsOrJumps(code);
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}
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}
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