@Override
 protected void prepareOperation() throws CoreException, CommonException {
   if (inputLoc == null) {
     throw LangCore.createCoreException(
         "Could not determine filesystem path from editor input", null);
   }
 }
Esempio n. 2
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  public static boolean runAndHandle(
      IRunnableContext runnableContext,
      IRunnableWithProgress op,
      boolean isCancellable,
      String errorTitle) {

    try {
      runnableContext.run(true, isCancellable, op);
      return true;
    } catch (InvocationTargetException e) {
      Throwable targetException = e.getTargetException();
      if (targetException instanceof OperationCanceledException) {
        return false;
      }

      CoreException ce;
      if (targetException instanceof CoreException) {
        ce = (CoreException) e.getTargetException();
      } else {
        ce = LangCore.createCoreException("Internal error: ", targetException);
      }
      UIOperationExceptionHandler.handleOperationStatus(errorTitle, ce);
      return false;
    } catch (InterruptedException e) {
      return false;
    }
  }
 public ExternalProcessResult runEngineTool(
     ProcessBuilder pb, String clientInput, ICancelMonitor cm)
     throws CoreException, OperationCancellation {
   try {
     return new RunEngineClientOperation(pb, cm).runProcess(clientInput);
   } catch (CommonException ce) {
     throw LangCore.createCoreException(ce);
   }
 }
  @Override
  protected Indexable<ICompletionProposal> computeProposals(
      SourceOperationContext context, int offset, TimeoutProgressMonitor pm)
      throws CoreException, CommonException, OperationCancellation, OperationSoftFailure {

    IEditorPart editor = context.getEditor_nonNull();
    Location fileLoc = context.getEditorInputLocation();
    IDocument document = context.getDocument();

    String prefix = lastWord(document, offset);

    GoUIPlugin.prepareGocodeManager_inUI();
    IPath gocodePath = GocodeServerManager.getGocodePath();
    if (gocodePath == null) {
      throw LangCore.createCoreException("Error: gocode path not provided.", null);
    }
    IProject project = getProjectFor(editor);

    GoEnvironment goEnvironment = GoProjectEnvironment.getGoEnvironment(project);

    // TODO: we should run this operation outside the UI thread.
    GocodeCompletionOperation client =
        new GocodeCompletionOperation(
            getEngineToolRunner(pm), goEnvironment, gocodePath.toOSString());

    ExternalProcessResult processResult =
        client.execute(fileLoc.toPathString(), document.get(), offset);
    String stdout = processResult.getStdOutBytes().toString(StringUtil.UTF8);
    List<String> completions =
        new ArrayList2<>(GocodeCompletionOperation.LINE_SPLITTER.split(stdout));

    ArrayList2<ICompletionProposal> results = new ArrayList2<>();

    for (String completionEntry : completions) {
      handleResult(offset, /*codeContext,*/ results, prefix, completionEntry);
    }

    return results;
  }