mirror of
https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
synced 2026-09-26 19:40:52 +00:00
Project renamed to Free Flash Decompiler.
Code moved to new dir. Version changed to 1.3
This commit is contained in:
Jindra Pet��k
@@ -0,0 +1,207 @@
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/*
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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.parser.*;
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import com.jpexs.decompiler.flash.action.swf4.RegisterNumber;
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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.List;
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public class ActionTry extends Action {
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public boolean catchInRegisterFlag;
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public boolean finallyBlockFlag;
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public boolean catchBlockFlag;
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public String catchName;
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public int catchRegister;
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public List<Action> tryBody;
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public List<Action> catchBody;
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public List<Action> finallyBody;
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public ActionTry(int actionLength, SWFInputStream sis, int version) throws IOException {
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super(0x8F, actionLength);
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sis.readUB(5);
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catchInRegisterFlag = sis.readUB(1) == 1;
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finallyBlockFlag = sis.readUB(1) == 1;
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catchBlockFlag = sis.readUB(1) == 1;
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int trySize = sis.readUI16();
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int catchSize = sis.readUI16();
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int finallySize = sis.readUI16();
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if (catchInRegisterFlag) {
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catchRegister = sis.readUI8();
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} else {
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catchName = sis.readString();
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}
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byte tryBodyBytes[] = sis.readBytes(trySize);
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byte catchBodyBytes[] = sis.readBytes(catchSize);
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byte finallyBodyBytes[] = sis.readBytes(finallySize);
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tryBody = (new SWFInputStream(new ByteArrayInputStream(tryBodyBytes), version)).readActionList();
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catchBody = (new SWFInputStream(new ByteArrayInputStream(catchBodyBytes), version)).readActionList();
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finallyBody = (new SWFInputStream(new ByteArrayInputStream(finallyBodyBytes), version)).readActionList();
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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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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, version);
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try {
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sos.writeUB(5, 0);
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sos.writeUB(1, catchInRegisterFlag ? 1 : 0);
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sos.writeUB(1, finallyBlockFlag ? 1 : 0);
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sos.writeUB(1, catchBlockFlag ? 1 : 0);
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byte tryBodyBytes[] = Action.actionsToBytes(tryBody, false, version);
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byte catchBodyBytes[] = Action.actionsToBytes(catchBody, false, version);
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byte finallyBodyBytes[] = Action.actionsToBytes(finallyBody, false, version);
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sos.writeUI16(tryBodyBytes.length);
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sos.writeUI16(catchBodyBytes.length);
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sos.writeUI16(finallyBodyBytes.length);
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if (catchInRegisterFlag) {
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sos.writeUI8(catchRegister);
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} else {
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sos.writeString(catchName);
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}
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Action.setActionsAddresses(tryBody, address + baos.toByteArray().length, version);
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sos.write(tryBodyBytes);
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Action.setActionsAddresses(catchBody, address + baos.toByteArray().length, version);
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sos.write(catchBodyBytes);
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Action.setActionsAddresses(finallyBody, address + baos.toByteArray().length, version);
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sos.close();
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} catch (IOException e) {
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}
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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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try {
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sos.writeUB(5, 0);
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sos.writeUB(1, catchInRegisterFlag ? 1 : 0);
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sos.writeUB(1, finallyBlockFlag ? 1 : 0);
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sos.writeUB(1, catchBlockFlag ? 1 : 0);
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byte tryBodyBytes[] = Action.actionsToBytes(tryBody, false, version);
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byte catchBodyBytes[] = Action.actionsToBytes(catchBody, false, version);
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byte finallyBodyBytes[] = Action.actionsToBytes(finallyBody, false, version);
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sos.writeUI16(tryBodyBytes.length);
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sos.writeUI16(catchBodyBytes.length);
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sos.writeUI16(finallyBodyBytes.length);
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if (catchInRegisterFlag) {
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sos.writeUI8(catchRegister);
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} else {
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sos.writeString(catchName);
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}
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sos.write(tryBodyBytes);
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sos.write(catchBodyBytes);
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sos.write(finallyBodyBytes);
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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);
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}
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public ActionTry(List<Label> labels, long address, FlasmLexer lexer, List<String> constantPool, int version) throws IOException, ParseException {
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super(0x8F, 0);
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lexBlockOpen(lexer);
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tryBody = ASMParser.parse(labels, address + 4 + 6, lexer, constantPool, version);
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ParsedSymbol symb = lexer.yylex();
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catchBlockFlag = false;
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if (symb.type == ParsedSymbol.TYPE_INSTRUCTION_NAME) {
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if (((String) symb.value).toLowerCase().equals("catch")) {
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catchBlockFlag = true;
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ParsedSymbol catchedVal = lexer.yylex();
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if (catchedVal.type == ParsedSymbol.TYPE_REGISTER) {
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catchInRegisterFlag = true;
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catchRegister = ((RegisterNumber) catchedVal.value).number;
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} else if (catchedVal.type == ParsedSymbol.TYPE_STRING) {
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catchInRegisterFlag = false;
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catchName = (String) catchedVal.value;
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} else {
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throw new ParseException("Catched name or register expected", lexer.yyline());
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}
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lexBlockOpen(lexer);
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catchBody = ASMParser.parse(labels, address + 4 + 6 + Action.actionsToBytes(tryBody, false, version).length, lexer, constantPool, version);
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symb = lexer.yylex();
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}
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if (symb.type == ParsedSymbol.TYPE_INSTRUCTION_NAME) {
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if (((String) symb.value).toLowerCase().equals("finally")) {
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finallyBlockFlag = true;
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lexBlockOpen(lexer);
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finallyBody = ASMParser.parse(labels, address + 4 + 6 + Action.actionsToBytes(tryBody, false, version).length + Action.actionsToBytes(catchBody, false, version).length, lexer, constantPool, version);
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} else {
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finallyBlockFlag = false;
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lexer.yypushback(lexer.yylength());
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}
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} else {
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finallyBlockFlag = false;
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lexer.yypushback(lexer.yylength());
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}
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} else {
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lexer.yypushback(lexer.yylength());
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}
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}
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@Override
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public String getASMSource(List<Long> knownAddreses, List<String> constantPool, int version) {
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String ret = "";
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ret += "Try {";
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ret += Action.actionsToString(tryBody, knownAddreses, constantPool, version);
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ret += "}";
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if (catchBlockFlag) {
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ret += "\r\nCatch ";
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if (catchInRegisterFlag) {
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ret += "register" + catchRegister;
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} else {
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ret += "\"" + Helper.escapeString(catchName) + "\"";
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}
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ret += " {\r\n";
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ret += Action.actionsToString(catchBody, knownAddreses, constantPool, version);
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ret += "}";
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}
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if (finallyBlockFlag) {
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ret += "\r\nFinally {\r\n";
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ret += Action.actionsToString(finallyBody, knownAddreses, constantPool, version);
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ret += "}";
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}
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return ret;
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}
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@Override
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public List<Long> getAllRefs(int version) {
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List<Long> ret = new ArrayList<Long>();
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ret.addAll(Action.getActionsAllRefs(tryBody, version));
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ret.addAll(Action.getActionsAllRefs(catchBody, version));
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ret.addAll(Action.getActionsAllRefs(finallyBody, version));
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return ret;
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}
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@Override
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public List<Action> getAllIfsOrJumps() {
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List<Action> ret = new ArrayList<Action>();
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ret.addAll(Action.getActionsAllIfsOrJumps(tryBody));
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ret.addAll(Action.getActionsAllIfsOrJumps(catchBody));
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ret.addAll(Action.getActionsAllIfsOrJumps(finallyBody));
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return ret;
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}
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}
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