public CmdlineRemoteProto.Message.ControllerMessage.FSEvent createNextEvent() {
   final CmdlineRemoteProto.Message.ControllerMessage.FSEvent.Builder builder =
       CmdlineRemoteProto.Message.ControllerMessage.FSEvent.newBuilder();
   builder.setOrdinal(++myNextEventOrdinal);
   builder.addAllChangedPaths(myChanged);
   myChanged.clear();
   builder.addAllDeletedPaths(myDeleted);
   myDeleted.clear();
   return builder.build();
 }
  @Override
  @SuppressWarnings("HardCodedStringLiteral")
  public void setupSdkPaths(@NotNull Sdk sdk) {
    String homePath = sdk.getHomePath();
    assert homePath != null : sdk;

    File jdkHome = new File(homePath);
    List<VirtualFile> classes = findClasses(jdkHome, false);
    VirtualFile sources = findSources(jdkHome);
    VirtualFile docs = findDocs(jdkHome, "docs/api");
    SdkModificator sdkModificator = sdk.getSdkModificator();

    Set<VirtualFile> previousRoots =
        new LinkedHashSet<>(Arrays.asList(sdkModificator.getRoots(OrderRootType.CLASSES)));
    sdkModificator.removeRoots(OrderRootType.CLASSES);
    previousRoots.removeAll(new HashSet<>(classes));
    for (VirtualFile aClass : classes) {
      sdkModificator.addRoot(aClass, OrderRootType.CLASSES);
    }
    for (VirtualFile root : previousRoots) {
      sdkModificator.addRoot(root, OrderRootType.CLASSES);
    }

    if (sources != null) {
      sdkModificator.addRoot(sources, OrderRootType.SOURCES);
    }
    VirtualFile javaFxSources = findSources(jdkHome, "javafx-src");
    if (javaFxSources != null) {
      sdkModificator.addRoot(javaFxSources, OrderRootType.SOURCES);
    }

    if (docs != null) {
      sdkModificator.addRoot(docs, JavadocOrderRootType.getInstance());
    } else if (SystemInfo.isMac) {
      VirtualFile commonDocs = findDocs(jdkHome, "docs");
      if (commonDocs == null) {
        commonDocs = findInJar(new File(jdkHome, "docs.jar"), "doc/api");
        if (commonDocs == null) {
          commonDocs = findInJar(new File(jdkHome, "docs.jar"), "docs/api");
        }
      }
      if (commonDocs != null) {
        sdkModificator.addRoot(commonDocs, JavadocOrderRootType.getInstance());
      }

      VirtualFile appleDocs = findDocs(jdkHome, "appledocs");
      if (appleDocs == null) {
        appleDocs = findInJar(new File(jdkHome, "appledocs.jar"), "appledoc/api");
      }
      if (appleDocs != null) {
        sdkModificator.addRoot(appleDocs, JavadocOrderRootType.getInstance());
      }

      if (commonDocs == null && appleDocs == null && sources == null) {
        String url = getDefaultDocumentationUrl(sdk);
        if (url != null) {
          sdkModificator.addRoot(
              VirtualFileManager.getInstance().findFileByUrl(url),
              JavadocOrderRootType.getInstance());
        }
      }
    } else if (getVersion(sdk) == JavaSdkVersion.JDK_1_7) {
      VirtualFile url =
          VirtualFileManager.getInstance().findFileByUrl("http://docs.oracle.com/javafx/2/api/");
      sdkModificator.addRoot(url, JavadocOrderRootType.getInstance());
    }

    attachJdkAnnotations(sdkModificator);

    sdkModificator.commitChanges();
  }
 public void dropChanges() {
   myNeedRescan = true;
   myNextEventOrdinal = 0L;
   myChanged.clear();
   myDeleted.clear();
 }
 public void addDeleted(Collection<String> paths) {
   if (!myNeedRescan) {
     myChanged.removeAll(paths);
     myDeleted.addAll(paths);
   }
 }
  private Process launchBuildProcess(Project project, final int port, final UUID sessionId)
      throws ExecutionException {
    // choosing sdk with which the build process should be run
    final Sdk internalJdk = JavaAwareProjectJdkTableImpl.getInstanceEx().getInternalJdk();
    Sdk projectJdk = internalJdk;
    final String versionString = projectJdk.getVersionString();
    JavaSdkVersion sdkVersion =
        versionString != null
            ? ((JavaSdk) projectJdk.getSdkType()).getVersion(versionString)
            : null;
    if (sdkVersion != null) {
      final Set<Sdk> candidates = new HashSet<Sdk>();
      for (Module module : ModuleManager.getInstance(project).getModules()) {
        final Sdk sdk = ModuleRootManager.getInstance(module).getSdk();
        if (sdk != null && sdk.getSdkType() instanceof JavaSdk) {
          candidates.add(sdk);
        }
      }
      // now select the latest version from the sdks that are used in the project, but not older
      // than the internal sdk version
      for (Sdk candidate : candidates) {
        final String vs = candidate.getVersionString();
        if (vs != null) {
          final JavaSdkVersion candidateVersion = ((JavaSdk) candidate.getSdkType()).getVersion(vs);
          if (candidateVersion != null) {
            if (candidateVersion.compareTo(sdkVersion) > 0) {
              sdkVersion = candidateVersion;
              projectJdk = candidate;
            }
          }
        }
      }
    }

    // validate tools.jar presence
    final File compilerPath;
    if (projectJdk.equals(internalJdk)) {
      final JavaCompiler systemCompiler = ToolProvider.getSystemJavaCompiler();
      if (systemCompiler == null) {
        throw new ExecutionException(
            "No system java compiler is provided by the JRE. Make sure tools.jar is present in IntelliJ IDEA classpath.");
      }
      compilerPath = ClasspathBootstrap.getResourcePath(systemCompiler.getClass());
    } else {
      final String path = ((JavaSdk) projectJdk.getSdkType()).getToolsPath(projectJdk);
      if (path == null) {
        throw new ExecutionException(
            "Cannot determine path to 'tools.jar' library for "
                + projectJdk.getName()
                + " ("
                + projectJdk.getHomePath()
                + ")");
      }
      compilerPath = new File(path);
    }

    final GeneralCommandLine cmdLine = new GeneralCommandLine();
    final String vmExecutablePath =
        ((JavaSdkType) projectJdk.getSdkType()).getVMExecutablePath(projectJdk);
    cmdLine.setExePath(vmExecutablePath);
    cmdLine.addParameter("-XX:MaxPermSize=150m");
    cmdLine.addParameter("-XX:ReservedCodeCacheSize=64m");
    final int heapSize = Registry.intValue("compiler.process.heap.size");
    final int xms = heapSize / 2;
    if (xms > 32) {
      cmdLine.addParameter("-Xms" + xms + "m");
    }
    cmdLine.addParameter("-Xmx" + heapSize + "m");

    if (SystemInfo.isMac
        && sdkVersion != null
        && JavaSdkVersion.JDK_1_6.equals(sdkVersion)
        && Registry.is("compiler.process.32bit.vm.on.mac")) {
      // unfortunately -d32 is supported on jdk 1.6 only
      cmdLine.addParameter("-d32");
    }

    cmdLine.addParameter("-Djava.awt.headless=true");

    final String shouldGenerateIndex =
        System.getProperty(GlobalOptions.GENERATE_CLASSPATH_INDEX_OPTION);
    if (shouldGenerateIndex != null) {
      cmdLine.addParameter(
          "-D" + GlobalOptions.GENERATE_CLASSPATH_INDEX_OPTION + "=" + shouldGenerateIndex);
    }

    final String additionalOptions = Registry.stringValue("compiler.process.vm.options");
    if (!StringUtil.isEmpty(additionalOptions)) {
      final StringTokenizer tokenizer = new StringTokenizer(additionalOptions, " ", false);
      while (tokenizer.hasMoreTokens()) {
        cmdLine.addParameter(tokenizer.nextToken());
      }
    }

    // debugging
    final int debugPort = Registry.intValue("compiler.process.debug.port");
    if (debugPort > 0) {
      cmdLine.addParameter("-XX:+HeapDumpOnOutOfMemoryError");
      cmdLine.addParameter(
          "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=" + debugPort);
    }

    if (Registry.is("compiler.process.use.memory.temp.cache")) {
      cmdLine.addParameter("-D" + GlobalOptions.USE_MEMORY_TEMP_CACHE_OPTION);
    }
    if (Registry.is("compiler.process.use.external.javac")) {
      cmdLine.addParameter("-D" + GlobalOptions.USE_EXTERNAL_JAVAC_OPTION);
    }
    final String host = NetUtils.getLocalHostString();
    cmdLine.addParameter("-D" + GlobalOptions.HOSTNAME_OPTION + "=" + host);

    // javac's VM should use the same default locale that IDEA uses in order for javac to print
    // messages in 'correct' language
    final String lang = System.getProperty("user.language");
    if (lang != null) {
      //noinspection HardCodedStringLiteral
      cmdLine.addParameter("-Duser.language=" + lang);
    }
    final String country = System.getProperty("user.country");
    if (country != null) {
      //noinspection HardCodedStringLiteral
      cmdLine.addParameter("-Duser.country=" + country);
    }
    //noinspection HardCodedStringLiteral
    final String region = System.getProperty("user.region");
    if (region != null) {
      //noinspection HardCodedStringLiteral
      cmdLine.addParameter("-Duser.region=" + region);
    }

    cmdLine.addParameter("-classpath");

    final List<File> cp = ClasspathBootstrap.getBuildProcessApplicationClasspath();
    cp.add(compilerPath);
    cp.addAll(myClasspathManager.getCompileServerPluginsClasspath());

    cmdLine.addParameter(classpathToString(cp));

    cmdLine.addParameter(BuildMain.class.getName());
    cmdLine.addParameter(host);
    cmdLine.addParameter(Integer.toString(port));
    cmdLine.addParameter(sessionId.toString());

    final File workDirectory = new File(mySystemDirectory, SYSTEM_ROOT);
    workDirectory.mkdirs();
    ensureLogConfigExists(workDirectory);

    cmdLine.addParameter(FileUtil.toSystemIndependentName(workDirectory.getPath()));

    cmdLine.setWorkDirectory(workDirectory);

    return cmdLine.createProcess();
  }