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https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
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AS3 editation with flex - not really working yet:
- needs fixing circular references, etc. (eg. editing class which references classes which references this class) - needs better errors displaying with jump to error line, etc.
This commit is contained in:
Jindra Petřík
@@ -0,0 +1,152 @@
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package com.jpexs.decompiler.flash.flexsdk;
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import com.jpexs.decompiler.flash.SWF;
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import com.jpexs.decompiler.flash.abc.ABC;
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import com.jpexs.decompiler.flash.abc.ScriptPack;
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import com.jpexs.decompiler.flash.abc.types.InstanceInfo;
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import com.jpexs.decompiler.flash.abc.types.ScriptInfo;
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import com.jpexs.decompiler.flash.configuration.Configuration;
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import com.jpexs.decompiler.flash.exporters.script.LinkReportExporter;
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import com.jpexs.decompiler.flash.exporters.swf.SwfToSwcExporter;
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import com.jpexs.decompiler.flash.tags.ABCContainerTag;
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import com.jpexs.decompiler.flash.tags.Tag;
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import com.jpexs.decompiler.graph.DottedChain;
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import com.jpexs.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.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.util.List;
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public class As3ScriptReplacer extends MxmlcRunner {
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private LinkReportExporter linkReporter;
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public As3ScriptReplacer(String flexSdkPath, LinkReportExporter linkReporter) {
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super(flexSdkPath);
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this.linkReporter = linkReporter;
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}
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private static void deleteFolder(File folder) {
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File[] files = folder.listFiles();
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if (files != null) { //some JVMs return null for empty dirs
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for (File f : files) {
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if (f.isDirectory()) {
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deleteFolder(f);
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} else {
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f.delete();
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}
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}
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}
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folder.delete();
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}
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private SWF recompileSWF(SWF swf) throws IOException, InterruptedException {
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ByteArrayOutputStream swfOrigBaos = new ByteArrayOutputStream();
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swf.saveTo(swfOrigBaos);
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return new SWF(new ByteArrayInputStream(swfOrigBaos.toByteArray()), false, false);
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}
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private boolean isParentDeleted(ABC abc, List<ABC> allAbcs, DottedChain className) {
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int class_index = abc.findClassByName(className);
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if (class_index == -1) {
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for (ABC a : allAbcs) {
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class_index = abc.findClassByName(className);
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if (class_index != -1) {
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abc = a;
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break;
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}
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}
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if (class_index == -1) {
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return false;
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}
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}
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InstanceInfo ii = abc.instance_info.get(class_index);
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if (ii.deleted) {
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return true;
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}
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if (ii.super_index != 0 && isParentDeleted(abc, allAbcs, abc.constants.getMultiname(ii.super_index).getNameWithNamespace(abc.constants))) {
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return true;
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}
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for (int iface : ii.interfaces) {
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if (isParentDeleted(abc, allAbcs, abc.constants.getMultiname(iface).getNameWithNamespace(abc.constants))) {
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return true;
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}
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}
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return false;
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}
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public void replaceScript(SWF swf, ScriptPack oldPack, String txt) throws IOException, MxmlcException, InterruptedException {
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if (!oldPack.isSimple) {
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throw new IOException("Cannot compile such file"); //Alchemy, etc.
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}
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File tempDir = null;
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try {
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tempDir = Files.createTempDirectory("ffdec-mxmlc-replace").toFile();
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File pkgDir = tempDir;
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for (String pkgPart : oldPack.getClassPath().packageStr.toList()) {
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if (!pkgPart.isEmpty()) {
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pkgDir = new File(pkgDir, pkgPart);
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}
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}
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pkgDir.mkdirs();
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File scriptFileToCompile = new File(pkgDir, oldPack.getClassPath().className + ".as");
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File compiledSwfFile = new File(pkgDir, "out.swf");
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File swcFile = new File(pkgDir, "out.swc");
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//Make copy without the old script
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SWF swfCopy = recompileSWF(swf);
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List<ScriptPack> copyPacks = swfCopy.getAS3Packs();
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for (ScriptPack sp : copyPacks) {
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if (sp.getClassPath().equals(oldPack.getClassPath())) {
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sp.abc.script_info.get(sp.scriptIndex).delete(sp.abc, true);
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((Tag) sp.abc.parentTag).setModified(true);
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break;
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}
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}
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//remove all subclasses
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for (ScriptPack sp : copyPacks) {
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DottedChain dc = sp.getPathPackage().add(sp.getPathScriptName());
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if (isParentDeleted(sp.abc, sp.allABCs, dc)) {
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sp.abc.script_info.get(sp.scriptIndex).delete(sp.abc, true);
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}
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}
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SwfToSwcExporter swcExport = new SwfToSwcExporter();
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swcExport.exportSwf(swfCopy, swcFile, true);
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Helper.writeFile(scriptFileToCompile.getAbsolutePath(), txt.getBytes("UTF-8"));
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mxmlc("-include-inheritance-dependencies-only", "-warnings=false", "-library-path", swcFile.getAbsolutePath(), "-source-path", tempDir.getAbsolutePath(), "-output", compiledSwfFile.getAbsolutePath(), "-debug=true", scriptFileToCompile.getAbsolutePath());
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try (FileInputStream fis = new FileInputStream(compiledSwfFile)) {
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SWF newSWF = new SWF(fis, false, false);
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List<ABCContainerTag> newTags = newSWF.getAbcList();
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ScriptInfo oldScriptInfo = oldPack.abc.script_info.get(oldPack.scriptIndex);
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if (oldPack.isSimple) {
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oldScriptInfo.delete(oldPack.abc, true);
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} else {
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//NOO
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}
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int oldTagIndex = swf.getTags().indexOf((Tag) oldPack.abc.parentTag);
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if (oldPack.abc.script_info.size() == 1) {
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swf.removeTag(oldTagIndex);
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}
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for (ABCContainerTag act : newTags) {
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((Tag) act).setSwf(swf);
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swf.addTag(oldTagIndex + 1, (Tag) act);
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((Tag) act).setModified(true);
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}
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((Tag) oldPack.abc.parentTag).setModified(true);
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swf.clearAbcListCache();
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swf.clearScriptCache();
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}
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} finally {
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if (tempDir != null && tempDir.exists()) {
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//deleteFolder(tempDir);
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}
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}
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}
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}
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@@ -0,0 +1,15 @@
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package com.jpexs.decompiler.flash.flexsdk;
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public class MxmlcException extends Exception {
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private String mxmlcErrorOutput;
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public MxmlcException(String mxmlcErrorOutput) {
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this.mxmlcErrorOutput = mxmlcErrorOutput;
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}
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public String getMxmlcErrorOutput() {
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return mxmlcErrorOutput;
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}
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}
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@@ -0,0 +1,54 @@
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package com.jpexs.decompiler.flash.flexsdk;
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import com.jpexs.helpers.Helper;
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import java.io.File;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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public class MxmlcRunner {
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private String flexSdkPath;
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public MxmlcRunner(String flexSdkPath) {
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this.flexSdkPath = flexSdkPath;
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}
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public String getMxmlcPath() {
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boolean isWin = System.getProperty("os.name").toLowerCase().contains("win");
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return flexSdkPath + File.separator + "bin" + File.separator + "mxmlc" + (isWin ? ".exe" : "");
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}
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public void mxmlc(String... arguments) throws MxmlcException, InterruptedException, IOException {
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String runArgs[] = new String[arguments.length + 1];
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runArgs[0] = getMxmlcPath();
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System.arraycopy(arguments, 0, runArgs, 1, arguments.length);
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System.out.println("" + String.join(" ", runArgs));
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Process proc = null;
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try {
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proc = Runtime.getRuntime().exec(runArgs);
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Helper.readStream(proc.getInputStream());
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String errstring = "";
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try {
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errstring = new String(Helper.readStream(proc.getErrorStream()), "UTF-8");
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} catch (UnsupportedEncodingException ex) {
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//should not happen
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}
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proc.waitFor();
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int exitValue = proc.exitValue();
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if (exitValue > 0) {
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throw new MxmlcException(errstring);
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}
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} finally {
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if (proc != null) {
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try {
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proc.destroy();
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} catch (Exception ex2) {
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//ignore
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}
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}
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}
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}
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}
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