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https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
synced 2026-05-31 05:56:45 +00:00
373 lines
15 KiB
Java
373 lines
15 KiB
Java
/*
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* Copyright (C) 2010-2014 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.model.FunctionActionItem;
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import com.jpexs.decompiler.flash.action.parser.ParseException;
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import com.jpexs.decompiler.flash.action.parser.pcode.FlasmLexer;
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import com.jpexs.decompiler.flash.action.parser.script.VariableActionItem;
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import com.jpexs.decompiler.flash.exporters.modes.ScriptExportMode;
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import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
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import com.jpexs.decompiler.graph.GraphSourceItem;
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import com.jpexs.decompiler.graph.GraphSourceItemContainer;
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import com.jpexs.decompiler.graph.GraphTargetItem;
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import com.jpexs.helpers.Helper;
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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 GraphSourceItemContainer {
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public String functionName;
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public String replacedFunctionName;
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public List<String> paramNames = new ArrayList<>();
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public List<String> replacedParamNames;
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public List<Integer> paramRegisters = new ArrayList<>();
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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 int reserved;
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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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private long hdrSize;
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public ActionDefineFunction2(String functionName, boolean preloadParentFlag, boolean preloadRootFlag, boolean suppressSuperFlag, boolean preloadSuperFlag, boolean suppressArgumentsFlag, boolean preloadArgumentsFlag, boolean suppressThisFlag, boolean preloadThisFlag, boolean preloadGlobalFlag, int registerCount, int codeSize, int version, List<String> paramNames, List<Integer> paramRegisters) {
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super(0x8E, 0);
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this.functionName = functionName;
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this.preloadParentFlag = preloadParentFlag;
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this.preloadRootFlag = preloadRootFlag;
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this.suppressSuperFlag = suppressSuperFlag;
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this.preloadSuperFlag = preloadSuperFlag;
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this.suppressArgumentsFlag = suppressArgumentsFlag;
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this.preloadArgumentsFlag = preloadArgumentsFlag;
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this.suppressThisFlag = suppressThisFlag;
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this.preloadThisFlag = preloadThisFlag;
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this.preloadGlobalFlag = preloadGlobalFlag;
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this.registerCount = registerCount;
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this.codeSize = codeSize;
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this.version = version;
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this.paramNames = paramNames;
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this.paramRegisters = paramRegisters;
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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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long posBef = sis.getPos();
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this.version = version;
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functionName = sis.readString("functionName");
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int numParams = sis.readUI16("numParams");
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registerCount = sis.readUI8("registerCount");
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preloadParentFlag = sis.readUB(1, "preloadParentFlag") == 1;
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preloadRootFlag = sis.readUB(1, "preloadRootFlag") == 1;
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suppressSuperFlag = sis.readUB(1, "suppressSuperFlag") == 1;
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preloadSuperFlag = sis.readUB(1, "preloadSuperFlag") == 1;
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suppressArgumentsFlag = sis.readUB(1, "suppressArgumentsFlag") == 1;
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preloadArgumentsFlag = sis.readUB(1, "preloadArgumentsFlag") == 1;
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suppressThisFlag = sis.readUB(1, "suppressThisFlag") == 1;
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preloadThisFlag = sis.readUB(1, "preloadThisFlag") == 1;
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reserved = (int) sis.readUB(7, "reserved");
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preloadGlobalFlag = sis.readUB(1, "preloadGlobalFlag") == 1;
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for (int i = 0; i < numParams; i++) {
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paramRegisters.add(sis.readUI8("paramRegister"));
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paramNames.add(sis.readString("paramName"));
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}
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codeSize = sis.readUI16("codeSize");
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long posAfter = sis.getPos();
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hdrSize = posAfter - posBef;
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//code = new ArrayList<Action>();
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//int posBef2 = (int) rri.getPos();
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//code = sis.readActionList(rri.getPos(), getFileAddress() + hdrSize, rri, codeSize);
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//rri.setPos(posBef2 + codeSize);
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}
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public ActionDefineFunction2(FlasmLexer lexer) 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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}
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@Override
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public long getHeaderSize() {
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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, reserved);
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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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baos2.write(surroundWithAction(baos.toByteArray(), version));
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} catch (IOException e) {
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}
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return baos2.toByteArray().length;
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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(codeSize);//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 GraphTextWriter getASMSourceReplaced(List<? extends GraphSourceItem> container, List<Long> knownAddreses, List<String> constantPool, ScriptExportMode exportMode, GraphTextWriter writer) {
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List<String> oldParamNames = paramNames;
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if (replacedParamNames != null) {
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paramNames = replacedParamNames;
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}
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String oldFunctionName = functionName;
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if (replacedFunctionName != null) {
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functionName = replacedFunctionName;
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}
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String ret = getASMSource(container, knownAddreses, constantPool, exportMode);
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paramNames = oldParamNames;
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functionName = oldFunctionName;
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writer.appendNoHilight(ret);
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return writer;
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}
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@Override
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public String getASMSource(List<? extends GraphSourceItem> container, List<Long> knownAddreses, List<String> constantPool, ScriptExportMode exportMode) {
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StringBuilder paramStr = new StringBuilder();
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for (int i = 0; i < paramNames.size(); i++) {
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paramStr.append(paramRegisters.get(i)).append(" \"").append(Helper.escapeString(paramNames.get(i))).append("\" ");
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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 + " {" + (codeSize == 0 ? "\r\n}" : "");// + "\r\n" + Action.actionsToString(getAddress() + getHeaderLength(), getItems(container), knownAddreses, constantPool, version, hex, getFileAddress() + hdrSize) + "}";
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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, int staticOperation, String path) {
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}
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@Override
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public HashMap<Integer, String> getRegNames() {
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HashMap<Integer, String> funcRegNames = new HashMap<>();
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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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return funcRegNames;
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}
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@Override
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public void translateContainer(List<List<GraphTargetItem>> content, Stack<GraphTargetItem> stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions) {
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FunctionActionItem fti = new FunctionActionItem(this, functionName, paramNames, content.get(0), constantPool, getFirstRegister(), new ArrayList<VariableActionItem>());
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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> getContainerSizes() {
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List<Long> ret = new ArrayList<>();
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ret.add((Long) (long) codeSize);
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return ret;
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}
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@Override
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public void setContainerSize(int index, long size) {
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if (index == 0) {
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codeSize = (int) size;
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} else {
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throw new IllegalArgumentException("Index must be 0.");
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}
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}
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@Override
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public boolean parseDivision(long size, FlasmLexer lexer) {
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codeSize = (int) (size - getHeaderSize());
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return false;
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}
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@Override
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public String getASMSourceBetween(int pos) {
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return "";
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}
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@Override
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public String getName() {
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return "function";
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}
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}
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