Esempio n. 1
0
 private void clearStub(@NotNull String reason) {
   StubTree stubHolder = SoftReference.dereference(myStub);
   if (stubHolder != null) {
     ((PsiFileStubImpl<?>) stubHolder.getRoot()).clearPsi(reason);
   }
   myStub = null;
 }
Esempio n. 2
0
  @Override
  @NotNull
  public StubTree getStubTree() {
    ApplicationManager.getApplication().assertReadAccessAllowed();

    StubTree stubTree = dereference(myStub);
    if (stubTree != null) return stubTree;

    // build newStub out of lock to avoid deadlock
    StubTree newStubTree =
        (StubTree) StubTreeLoader.getInstance().readOrBuild(getProject(), getVirtualFile(), this);
    if (newStubTree == null) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("No stub for class file in index: " + getVirtualFile().getPresentableUrl());
      }
      newStubTree = new StubTree(new PsiJavaFileStubImpl("corrupted.classfiles", true));
    }

    synchronized (myStubLock) {
      stubTree = dereference(myStub);
      if (stubTree != null) return stubTree;

      stubTree = newStubTree;

      @SuppressWarnings("unchecked")
      PsiFileStubImpl<PsiFile> fileStub = (PsiFileStubImpl) stubTree.getRoot();
      fileStub.setPsi(this);

      myStub = new SoftReference<StubTree>(stubTree);
    }

    return stubTree;
  }
Esempio n. 3
0
  @Override
  @Nullable
  public StubTree getStubTree() {
    ApplicationManager.getApplication().assertReadAccessAllowed();

    if (Boolean.TRUE.equals(getUserData(BUILDING_STUB))) return null;

    final StubTree derefd = derefStub();
    if (derefd != null) return derefd;
    if (getTreeElement() != null) return null;

    if (!(getContentElementType() instanceof IStubFileElementType)) return null;

    final VirtualFile vFile = getVirtualFile();
    if (!(vFile instanceof VirtualFileWithId)) return null;

    final PsiFile stubBindingRoot = getViewProvider().getStubBindingRoot();
    if (stubBindingRoot != this) {
      LOG.error(
          "Attempted to create stubs for non-root file: "
              + this
              + ", stub binding root: "
              + stubBindingRoot);
      return null;
    }

    ObjectStubTree tree = StubTreeLoader.getInstance().readOrBuild(getProject(), vFile, this);
    if (!(tree instanceof StubTree)) return null;
    StubTree stubHolder = (StubTree) tree;

    synchronized (PsiLock.LOCK) {
      if (getTreeElement() != null) return null;

      final StubTree derefdOnLock = derefStub();
      if (derefdOnLock != null) return derefdOnLock;

      //noinspection unchecked
      ((StubBase) stubHolder.getRoot()).setPsi(this);
      myStub = new SoftReference<StubTree>(stubHolder);
      return stubHolder;
    }
  }
Esempio n. 4
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  @Override
  public void onContentReload() {
    ApplicationManager.getApplication().assertWriteAccessAllowed();

    synchronized (myStubLock) {
      StubTree stubTree = dereference(myStub);
      myStub = null;
      if (stubTree != null) {
        //noinspection unchecked
        ((PsiFileStubImpl) stubTree.getRoot()).clearPsi("cls onContentReload");
      }
    }

    ClsPackageStatementImpl packageStatement = new ClsPackageStatementImpl(this);
    synchronized (myMirrorLock) {
      putUserData(CLS_DOCUMENT_LINK_KEY, null);
      myMirrorFileElement = null;
      myPackageStatement = packageStatement;
    }

    myLanguageLevel = null;
  }
Esempio n. 5
0
 @Nullable
 public StubElement getStub() {
   StubTree stubHolder = getStubTree();
   return stubHolder != null ? stubHolder.getRoot() : null;
 }