Exemple #1
0
  @Override
  @SuppressWarnings({"CloneDoesntDeclareCloneNotSupportedException", "CloneDoesntCallSuperClone"})
  protected PsiFileImpl clone() {
    FileViewProvider viewProvider = getViewProvider();
    FileViewProvider providerCopy = viewProvider.clone();
    final Language language = getLanguage();
    if (providerCopy == null) {
      throw new AssertionError(
          "Unable to clone the view provider: " + viewProvider + "; " + language);
    }
    PsiFileImpl clone = BlockSupportImpl.getFileCopy(this, providerCopy);
    copyCopyableDataTo(clone);

    if (getTreeElement() != null) {
      // not set by provider in clone
      final FileElement treeClone = (FileElement) calcTreeElement().clone();
      clone.setTreeElementPointer(
          treeClone); // should not use setTreeElement here because cloned file still have
                      // VirtualFile (SCR17963)
      treeClone.setPsi(clone);
    }

    if (viewProvider.isEventSystemEnabled()) {
      clone.myOriginalFile = this;
    } else if (myOriginalFile != null) {
      clone.myOriginalFile = myOriginalFile;
    }

    return clone;
  }
Exemple #2
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 protected boolean isPsiUpToDate(@NotNull VirtualFile vFile) {
   final FileViewProvider provider = myManager.findViewProvider(vFile);
   Language language = getLanguage();
   if (provider == null || provider.getPsi(language) == this) { // provider == null in tests
     return true;
   }
   Language baseLanguage = provider.getBaseLanguage();
   return baseLanguage != language && provider.getPsi(baseLanguage) == this;
 }
Exemple #3
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 @Override
 public boolean isValid() {
   FileViewProvider provider = getViewProvider();
   final VirtualFile vFile = provider.getVirtualFile();
   if (!vFile.isValid()) return false;
   if (!provider.isEventSystemEnabled()) return true; // "dummy" file
   if (myManager.getProject().isDisposed()) return false;
   return isPsiUpToDate(vFile);
 }
Exemple #4
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  @Override
  @NotNull
  public PsiFile[] getPsiRoots() {
    final FileViewProvider viewProvider = getViewProvider();
    final Set<Language> languages = viewProvider.getLanguages();

    final PsiFile[] roots = new PsiFile[languages.size()];
    int i = 0;
    for (Language language : languages) {
      PsiFile psi = viewProvider.getPsi(language);
      if (psi == null) {
        LOG.error("PSI is null for " + language + "; in file: " + this);
      }
      roots[i++] = psi;
    }
    if (roots.length > 1) {
      Arrays.sort(roots, FILE_BY_LANGUAGE_ID);
    }
    return roots;
  }
Exemple #5
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  protected void reportStubAstMismatch(String message, StubTree stubTree, Document cachedDocument) {
    rebuildStub();
    clearStub("stub-psi mismatch");
    scheduleDropCachesWithInvalidStubPsi();

    String msg = message;
    msg += "\n file=" + this;
    msg += ", modStamp=" + getModificationStamp();
    msg += "\n stub debugInfo=" + stubTree.getDebugInfo();
    msg += "\n document before=" + cachedDocument;

    ObjectStubTree latestIndexedStub =
        StubTreeLoader.getInstance().readFromVFile(getProject(), getVirtualFile());
    msg += "\nlatestIndexedStub=" + latestIndexedStub;
    if (latestIndexedStub != null) {
      msg +=
          "\n   same size="
              + (stubTree.getPlainList().size() == latestIndexedStub.getPlainList().size());
      msg += "\n   debugInfo=" + latestIndexedStub.getDebugInfo();
    }

    FileViewProvider viewProvider = getViewProvider();
    msg += "\n viewProvider=" + viewProvider;
    msg += "\n viewProvider stamp: " + viewProvider.getModificationStamp();

    VirtualFile file = viewProvider.getVirtualFile();
    msg += "; file stamp: " + file.getModificationStamp();
    msg += "; file modCount: " + file.getModificationCount();

    Document document = FileDocumentManager.getInstance().getCachedDocument(file);
    if (document != null) {
      msg += "\n doc saved: " + !FileDocumentManager.getInstance().isDocumentUnsaved(document);
      msg += "; doc stamp: " + document.getModificationStamp();
      msg += "; doc size: " + document.getTextLength();
      msg += "; committed: " + PsiDocumentManager.getInstance(getProject()).isCommitted(document);
    }

    throw new AssertionError(msg + "\n------------\n");
  }
Exemple #6
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 public void unloadContent() {
   ApplicationManager.getApplication().assertWriteAccessAllowed();
   clearCaches();
   myViewProvider.beforeContentsSynchronized();
   synchronized (PsiLock.LOCK) {
     FileElement treeElement = derefTreeElement();
     DebugUtil.startPsiModification("unloadContent");
     try {
       if (treeElement != null) {
         myTreeElementPointer = null;
         treeElement.detachFromFile();
         DebugUtil.onInvalidated(treeElement);
       }
       clearStub("unloadContent");
     } finally {
       DebugUtil.finishPsiModification();
     }
   }
 }
Exemple #7
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  @NotNull
  private FileElement loadTreeElement() {
    ApplicationManager.getApplication().assertReadAccessAllowed();

    final FileViewProvider viewProvider = getViewProvider();
    if (viewProvider.isPhysical()
        && myManager.isAssertOnFileLoading(viewProvider.getVirtualFile())) {
      LOG.error(
          "Access to tree elements not allowed in tests. path='"
              + viewProvider.getVirtualFile().getPresentableUrl()
              + "'");
    }

    Document cachedDocument =
        FileDocumentManager.getInstance().getCachedDocument(getViewProvider().getVirtualFile());

    FileElement treeElement = createFileElement(viewProvider.getContents());
    treeElement.setPsi(this);

    List<Pair<StubBasedPsiElementBase, CompositeElement>> bindings =
        calcStubAstBindings(treeElement, cachedDocument);

    synchronized (PsiLock.LOCK) {
      FileElement existing = derefTreeElement();
      if (existing != null) {
        return existing;
      }

      switchFromStubToAst(bindings);
      myStub = null;
      myTreeElementPointer = createTreeElementPointer(treeElement);

      if (LOG.isDebugEnabled() && viewProvider.isPhysical()) {
        LOG.debug("Loaded text for file " + viewProvider.getVirtualFile().getPresentableUrl());
      }

      return treeElement;
    }
  }
Exemple #8
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 protected PsiFileImpl(@NotNull FileViewProvider provider) {
   myManager = (PsiManagerEx) provider.getManager();
   myViewProvider = provider;
 }