// returns (injected psi, leaf element at the offset, language of the leaf element)
// since findElementAt() is expensive, we trying to reuse its result
@NotNull
private static Trinity<PsiElement, PsiElement, Language> tryOffset(
@NotNull PsiFile hostFile, final int offset, @NotNull PsiDocumentManager documentManager) {
FileViewProvider provider = hostFile.getViewProvider();
Language leafLanguage = null;
PsiElement leafElement = null;
for (Language language : provider.getLanguages()) {
PsiElement element = provider.findElementAt(offset, language);
if (element != null) {
if (leafLanguage == null) {
leafLanguage = language;
leafElement = element;
}
PsiElement injected = findInside(element, hostFile, offset, documentManager);
if (injected != null) return Trinity.create(injected, element, language);
}
// maybe we are at the border between two psi elements, then try to find injection at the end
// of the left element
if (offset != 0 && (element == null || element.getTextRange().getStartOffset() == offset)) {
PsiElement leftElement = provider.findElementAt(offset - 1, language);
if (leftElement != null && leftElement.getTextRange().getEndOffset() == offset) {
PsiElement injected = findInside(leftElement, hostFile, offset, documentManager);
if (injected != null) return Trinity.create(injected, element, language);
}
}
}
return Trinity.create(null, leafElement, leafLanguage);
}
private void checkPsiIsCorrect(final FileViewProvider key) {
PsiFile actualPsi = key.getPsi(key.getBaseLanguage());
PsiTreeDebugBuilder treeDebugBuilder =
new PsiTreeDebugBuilder().setShowErrorElements(false).setShowWhiteSpaces(false);
String actualPsiTree = treeDebugBuilder.psiToString(actualPsi);
String fileName = key.getVirtualFile().getName();
PsiFile psi =
PsiFileFactory.getInstance(myProject)
.createFileFromText(
fileName,
FileTypeManager.getInstance().getFileTypeByFileName(fileName),
actualPsi.getNode().getText(),
LocalTimeCounter.currentTime(),
false);
if (actualPsi.getClass().equals(psi.getClass())) {
String expectedPsi = treeDebugBuilder.psiToString(psi);
if (!expectedPsi.equals(actualPsiTree)) {
myReformatElements.clear();
assert expectedPsi.equals(actualPsiTree)
: "Refactored psi should be the same as result of parsing";
}
}
}
@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;
}
@Override
public void beforeDocumentChange(DocumentEvent event) {
final Document document = event.getDocument();
final FileViewProvider viewProvider = getCachedViewProvider(document);
if (viewProvider == null) return;
if (!isRelevant(viewProvider)) return;
VirtualFile virtualFile = viewProvider.getVirtualFile();
if (virtualFile.getFileType().isBinary()) return;
final List<PsiFile> files = viewProvider.getAllFiles();
PsiFile psiCause = null;
for (PsiFile file : files) {
mySmartPointerManager.fastenBelts(file, event.getOffset(), null);
if (TextBlock.get(file).isLocked()) {
psiCause = file;
}
}
if (psiCause == null) {
beforeDocumentChangeOnUnlockedDocument(viewProvider);
}
((SingleRootFileViewProvider) viewProvider).beforeDocumentChanged(psiCause);
}
@Nullable
public static Commenter getCommenter(
final PsiFile file,
final Editor editor,
final Language lineStartLanguage,
final Language lineEndLanguage) {
final FileViewProvider viewProvider = file.getViewProvider();
for (MultipleLangCommentProvider provider :
MultipleLangCommentProvider.EP_NAME.getExtensions()) {
if (provider.canProcess(file, viewProvider)) {
return provider.getLineCommenter(file, editor, lineStartLanguage, lineEndLanguage);
}
}
final Language fileLanguage = file.getLanguage();
Language lang =
lineStartLanguage == null
|| LanguageCommenters.INSTANCE.forLanguage(lineStartLanguage) == null
|| fileLanguage.getBaseLanguage()
== lineStartLanguage // file language is a more specific dialect of the line
// language
? fileLanguage
: lineStartLanguage;
if (viewProvider instanceof TemplateLanguageFileViewProvider
&& lang == ((TemplateLanguageFileViewProvider) viewProvider).getTemplateDataLanguage()) {
lang = viewProvider.getBaseLanguage();
}
return LanguageCommenters.INSTANCE.forLanguage(lang);
}
private void doPostponedFormattingInner(final FileViewProvider key) {
final List<ASTNode> astNodes = myReformatElements.remove(key);
final Document document = key.getDocument();
// Sort ranges by end offsets so that we won't need any offset adjustment after reformat or
// reindent
if (document == null) return;
final VirtualFile virtualFile = key.getVirtualFile();
if (!virtualFile.isValid()) return;
final TreeSet<PostprocessFormattingTask> postProcessTasks =
new TreeSet<PostprocessFormattingTask>();
Collection<Disposable> toDispose = ContainerUtilRt.newArrayList();
try {
// process all roots in viewProvider to find marked for reformat before elements and create
// appropriate range markers
handleReformatMarkers(key, postProcessTasks);
toDispose.addAll(postProcessTasks);
// then we create ranges by changed nodes. One per node. There ranges can intersect. Ranges
// are sorted by end offset.
if (astNodes != null) createActionsMap(astNodes, key, postProcessTasks);
if ("true".equals(System.getProperty("check.psi.is.valid"))
&& ApplicationManager.getApplication().isUnitTestMode()) {
checkPsiIsCorrect(key);
}
while (!postProcessTasks.isEmpty()) {
// now we have to normalize actions so that they not intersect and ordered in most
// appropriate way
// (free reformatting -> reindent -> formatting under reindent)
final List<PostponedAction> normalizedActions =
normalizeAndReorderPostponedActions(postProcessTasks, document);
toDispose.addAll(normalizedActions);
// only in following loop real changes in document are made
for (final PostponedAction normalizedAction : normalizedActions) {
CodeStyleSettings settings =
CodeStyleSettingsManager.getSettings(myPsiManager.getProject());
boolean old = settings.ENABLE_JAVADOC_FORMATTING;
settings.ENABLE_JAVADOC_FORMATTING = false;
try {
normalizedAction.execute(key);
} finally {
settings.ENABLE_JAVADOC_FORMATTING = old;
}
}
}
} finally {
for (Disposable disposable : toDispose) {
//noinspection SSBasedInspection
disposable.dispose();
}
}
}
@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);
}
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;
}
@NotNull
private static DiffLog makeFullParse(
@NotNull PsiFileImpl fileImpl,
@NotNull CharSequence newFileText,
@NotNull ProgressIndicator indicator,
@NotNull CharSequence lastCommittedText) {
if (fileImpl instanceof PsiCodeFragment) {
FileElement parent = fileImpl.getTreeElement();
final FileElement holderElement =
new DummyHolder(fileImpl.getManager(), null).getTreeElement();
holderElement.rawAddChildren(
fileImpl.createContentLeafElement(
holderElement.getCharTable().intern(newFileText, 0, newFileText.length())));
DiffLog diffLog = new DiffLog();
diffLog.appendReplaceFileElement(parent, (FileElement) holderElement.getFirstChildNode());
return diffLog;
} else {
FileViewProvider viewProvider = fileImpl.getViewProvider();
viewProvider.getLanguages();
FileType fileType = viewProvider.getVirtualFile().getFileType();
String fileName = fileImpl.getName();
final LightVirtualFile lightFile =
new LightVirtualFile(
fileName,
fileType,
newFileText,
viewProvider.getVirtualFile().getCharset(),
fileImpl.getViewProvider().getModificationStamp());
lightFile.setOriginalFile(viewProvider.getVirtualFile());
FileViewProvider copy = viewProvider.createCopy(lightFile);
if (copy.isEventSystemEnabled()) {
throw new AssertionError(
"Copied view provider must be non-physical for reparse to deliver correct events: "
+ viewProvider);
}
copy.getLanguages();
SingleRootFileViewProvider.doNotCheckFileSizeLimit(
lightFile); // optimization: do not convert file contents to bytes to determine if we
// should codeinsight it
PsiFileImpl newFile = getFileCopy(fileImpl, copy);
newFile.setOriginalFile(fileImpl);
final FileElement newFileElement = (FileElement) newFile.getNode();
final FileElement oldFileElement = (FileElement) fileImpl.getNode();
if (!lastCommittedText.toString().equals(oldFileElement.getText())) {
throw new IncorrectOperationException();
}
DiffLog diffLog =
mergeTrees(fileImpl, oldFileElement, newFileElement, indicator, lastCommittedText);
((PsiManagerEx) fileImpl.getManager()).getFileManager().setViewProvider(lightFile, null);
return diffLog;
}
}
private static PsiElement[] getElementsIntersectingRange(
PsiFile file, final int startOffset, final int endOffset) {
final FileViewProvider viewProvider = file.getViewProvider();
final Set<PsiElement> result = new LinkedHashSet<PsiElement>();
for (Language language : viewProvider.getLanguages()) {
final PsiFile psiRoot = viewProvider.getPsi(language);
if (HighlightingLevelManager.getInstance(file.getProject()).shouldInspect(psiRoot)) {
result.addAll(
CollectHighlightsUtil.getElementsInRange(psiRoot, startOffset, endOffset, true));
}
}
return PsiUtilCore.toPsiElementArray(result);
}
@NotNull
private static PsiAnchor doCreateAnchor(@NotNull PsiElement element) {
if (element instanceof PsiFile) {
VirtualFile virtualFile = ((PsiFile) element).getVirtualFile();
if (virtualFile != null) return new PsiFileReference(virtualFile, (PsiFile) element);
return new HardReference(element);
}
if (element instanceof PsiDirectory) {
VirtualFile virtualFile = ((PsiDirectory) element).getVirtualFile();
return new PsiDirectoryReference(virtualFile, element.getProject());
}
PsiFile file = element.getContainingFile();
if (file == null) {
return new HardReference(element);
}
VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile == null) return new HardReference(element);
PsiAnchor stubRef = createStubReference(element, file);
if (stubRef != null) return stubRef;
if (!element.isPhysical()) {
return wrapperOrHardReference(element);
}
TextRange textRange = element.getTextRange();
if (textRange == null) {
return wrapperOrHardReference(element);
}
Language lang = null;
final FileViewProvider viewProvider = file.getViewProvider();
for (Language l : viewProvider.getLanguages()) {
if (viewProvider.getPsi(l) == file) {
lang = l;
break;
}
}
if (lang == null) {
return wrapperOrHardReference(element);
}
return new TreeRangeReference(
file,
textRange.getStartOffset(),
textRange.getEndOffset(),
AnchorTypeInfo.obtainInfo(element, lang),
virtualFile);
}
@Nullable
public static PsiElement getNextSibling(PsiElement element) {
if (element instanceof PsiFile) {
final FileViewProvider viewProvider = ((PsiFile) element).getViewProvider();
element = viewProvider.getPsi(viewProvider.getBaseLanguage());
}
if (element == null) return null;
final PsiElement parent = element.getParent();
if (parent == null) return null;
final PsiElement[] children = parent.getChildren();
final int index = getChildIndex(children, element);
return 0 <= index && index < children.length - 1 ? children[index + 1] : null;
}
@Override
public void documentChanged(DocumentEvent event) {
final Document document = event.getDocument();
final FileViewProvider viewProvider = getCachedViewProvider(document);
if (viewProvider == null) return;
if (!isRelevant(viewProvider)) return;
ApplicationManager.getApplication().assertWriteAccessAllowed();
final List<PsiFile> files = viewProvider.getAllFiles();
boolean commitNecessary = true;
for (PsiFile file : files) {
mySmartPointerManager.unfastenBelts(file, event.getOffset());
final TextBlock textBlock = TextBlock.get(file);
if (textBlock.isLocked()) {
commitNecessary = false;
continue;
}
textBlock.documentChanged(event);
assert file instanceof PsiFileImpl
|| "mock.file".equals(file.getName())
&& ApplicationManager.getApplication().isUnitTestMode()
: event + "; file=" + file + "; allFiles=" + files + "; viewProvider=" + viewProvider;
}
boolean forceCommit =
ApplicationManager.getApplication().hasWriteAction(ExternalChangeAction.class)
&& (SystemProperties.getBooleanProperty("idea.force.commit.on.external.change", false)
|| ApplicationManager.getApplication().isHeadlessEnvironment());
// Consider that it's worth to perform complete re-parse instead of merge if the whole document
// text is replaced and
// current document lines number is roughly above 5000. This makes sense in situations when
// external change is performed
// for the huge file (that causes the whole document to be reloaded and 'merge' way takes a
// while to complete).
if (event.isWholeTextReplaced() && document.getTextLength() > 100000) {
document.putUserData(BlockSupport.DO_NOT_REPARSE_INCREMENTALLY, Boolean.TRUE);
}
if (commitNecessary) {
myUncommittedDocuments.add(document);
if (forceCommit) {
commitDocument(document);
} else if (!((DocumentEx) document).isInBulkUpdate()) {
myDocumentCommitProcessor.commitAsynchronously(myProject, document, event);
}
}
}
public void execute(FileViewProvider viewProvider) {
final Document document = viewProvider.getDocument();
final PsiFile psiFile = viewProvider.getPsi(viewProvider.getBaseLanguage());
for (Pair<Integer, RangeMarker> integerRangeMarkerPair : myRangesToReindent) {
RangeMarker marker = integerRangeMarkerPair.second;
final CharSequence charsSequence =
document.getCharsSequence().subSequence(marker.getStartOffset(), marker.getEndOffset());
final int oldIndent = integerRangeMarkerPair.first;
final TextRange[] whitespaces =
CharArrayUtil.getIndents(charsSequence, marker.getStartOffset());
final int indentAdjustment = getNewIndent(psiFile, marker.getStartOffset()) - oldIndent;
if (indentAdjustment != 0)
adjustIndentationInRange(psiFile, document, whitespaces, indentAdjustment);
}
}
private static Language findLanguage(PsiFile file) {
FileViewProvider vp = file.getViewProvider();
Set<Language> languages = vp.getLanguages();
for (Language language : languages) {
if (file.equals(vp.getPsi(language))) {
return language;
}
}
throw new AssertionError(
"Non-retrievable file: "
+ file.getClass()
+ "; "
+ file.getLanguage()
+ "; "
+ languages);
}
private static void handleReformatMarkers(
final FileViewProvider key, final TreeSet<PostprocessFormattingTask> rangesToProcess) {
final Document document = key.getDocument();
if (document == null) {
return;
}
for (final FileElement fileElement : ((SingleRootFileViewProvider) key).getKnownTreeRoots()) {
fileElement.acceptTree(
new RecursiveTreeElementWalkingVisitor() {
protected void visitNode(TreeElement element) {
if (CodeEditUtil.isMarkedToReformatBefore(element)) {
CodeEditUtil.markToReformatBefore(element, false);
rangesToProcess.add(
new ReformatWithHeadingWhitespaceTask(
document.createRangeMarker(
element.getStartOffset(), element.getStartOffset())));
} else if (CodeEditUtil.isMarkedToReformat(element)) {
CodeEditUtil.markToReformat(element, false);
rangesToProcess.add(
new ReformatWithHeadingWhitespaceTask(
document.createRangeMarker(
element.getStartOffset(),
element.getStartOffset() + element.getTextLength())));
}
super.visitNode(element);
}
});
}
}
@Override
public void beforeDocumentChange(@NotNull DocumentEvent event) {
if (myStopTrackingDocuments) return;
final Document document = event.getDocument();
if (!(document instanceof DocumentWindow) && !myLastCommittedTexts.containsKey(document)) {
myLastCommittedTexts.put(
document,
Pair.create(document.getImmutableCharSequence(), document.getModificationStamp()));
}
VirtualFile virtualFile = FileDocumentManager.getInstance().getFile(document);
boolean isRelevant = virtualFile != null && isRelevant(virtualFile);
final FileViewProvider viewProvider = getCachedViewProvider(document);
boolean inMyProject = viewProvider != null && viewProvider.getManager() == myPsiManager;
if (!isRelevant || !inMyProject) {
return;
}
final List<PsiFile> files = viewProvider.getAllFiles();
PsiFile psiCause = null;
for (PsiFile file : files) {
if (file == null) {
throw new AssertionError(
"View provider "
+ viewProvider
+ " ("
+ viewProvider.getClass()
+ ") returned null in its files array: "
+ files
+ " for file "
+ viewProvider.getVirtualFile());
}
if (mySynchronizer.isInsideAtomicChange(file)) {
psiCause = file;
}
}
if (psiCause == null) {
beforeDocumentChangeOnUnlockedDocument(viewProvider);
}
((SingleRootFileViewProvider) viewProvider).beforeDocumentChanged(psiCause);
}
@Override
public void visitFile(PsiFile file) {
final VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile != null) {
String relative =
ProjectUtilCore.displayUrlRelativeToProject(
virtualFile, virtualFile.getPresentableUrl(), myProject, true, false);
myContext.incrementJobDoneAmount(myContext.getStdJobDescriptors().BUILD_GRAPH, relative);
}
final FileViewProvider viewProvider = file.getViewProvider();
final Set<Language> relevantLanguages = viewProvider.getLanguages();
for (Language language : relevantLanguages) {
visitElement(viewProvider.getPsi(language));
}
myPsiManager.dropResolveCaches();
InjectedLanguageManager.getInstance(myProject).dropFileCaches(file);
}
// consider injected elements
public static PsiElement findElementAtNoCommit(@NotNull PsiFile file, int offset) {
FileViewProvider viewProvider = file.getViewProvider();
Trinity<PsiElement, PsiElement, Language> result = null;
if (!(viewProvider instanceof InjectedFileViewProvider)) {
PsiDocumentManager documentManager = PsiDocumentManager.getInstance(file.getProject());
result = tryOffset(file, offset, documentManager);
PsiElement injected = result.first;
if (injected != null) {
return injected;
}
}
Language baseLanguage = viewProvider.getBaseLanguage();
if (result != null && baseLanguage == result.third) {
return result.second; // already queried
}
return viewProvider.findElementAt(offset, baseLanguage);
}
private static void mapJsp(FileContent inputData, final List<LinkInfo> result) {
final FileViewProvider viewProvider = inputData.getPsiFile().getViewProvider();
PsiFile psiFile = null;
if (viewProvider instanceof TemplateLanguageFileViewProvider) {
final Language dataLanguage =
((TemplateLanguageFileViewProvider) viewProvider).getTemplateDataLanguage();
if (dataLanguage == HTMLLanguage.INSTANCE || dataLanguage == XHTMLLanguage.INSTANCE) {
psiFile = viewProvider.getPsi(dataLanguage);
}
} else {
psiFile = viewProvider.getPsi(viewProvider.getBaseLanguage());
}
if (psiFile != null) {
final XmlRecursiveElementVisitor visitor =
new XmlRecursiveElementVisitor() {
@Override
public void visitXmlTag(XmlTag tag) {
if (LINK.equalsIgnoreCase(tag.getLocalName())) {
final String href = getAttributeValue(tag, HREF_ATTR);
final String media = getAttributeValue(tag, MEDIA_ATTR);
final String type = getAttributeValue(tag, TYPE_ATTR);
final String rel = getAttributeValue(tag, REL_ATTR);
final String title = getAttributeValue(tag, TITLE_ATTR);
addResult(
result,
tag.getTextOffset(),
href,
media,
type,
rel,
title,
isHrefScripted(tag));
}
super.visitXmlTag(tag);
}
};
psiFile.accept(visitor);
}
}
@Nullable
@Override
public Document getDocument(@NotNull PsiFile file) {
if (file instanceof PsiBinaryFile) return null;
Document document = getCachedDocument(file);
if (document != null) {
if (!file.getViewProvider().isPhysical() && document.getUserData(HARD_REF_TO_PSI) == null) {
PsiUtilCore.ensureValid(file);
cachePsi(document, file);
}
return document;
}
FileViewProvider viewProvider = file.getViewProvider();
if (!viewProvider.isEventSystemEnabled()) return null;
document = FileDocumentManager.getInstance().getDocument(viewProvider.getVirtualFile());
if (document != null) {
if (document.getTextLength() != file.getTextLength()) {
String message =
"Document/PSI mismatch: "
+ file
+ " ("
+ file.getClass()
+ "); physical="
+ viewProvider.isPhysical();
if (document.getTextLength() + file.getTextLength() < 8096) {
message +=
"\n=== document ===\n" + document.getText() + "\n=== PSI ===\n" + file.getText();
}
throw new AssertionError(message);
}
if (!viewProvider.isPhysical()) {
PsiUtilCore.ensureValid(file);
cachePsi(document, file);
file.putUserData(HARD_REF_TO_DOCUMENT, document);
}
}
return document;
}
protected boolean finishCommitInWriteAction(
@NotNull final Document document,
@NotNull final List<Processor<Document>> finishProcessors,
final boolean synchronously) {
if (myProject.isDisposed()) return false;
assert !(document instanceof DocumentWindow);
myIsCommitInProgress = true;
boolean success = true;
try {
final FileViewProvider viewProvider = getCachedViewProvider(document);
if (viewProvider != null) {
for (Processor<Document> finishRunnable : finishProcessors) {
success = finishRunnable.process(document);
if (synchronously) {
assert success : finishRunnable + " in " + finishProcessors;
}
if (!success) {
break;
}
}
if (success) {
myLastCommittedTexts.remove(document);
viewProvider.contentsSynchronized();
}
} else {
handleCommitWithoutPsi(document);
}
} finally {
myDocumentCommitProcessor.log(
"in PDI.finishDoc: ", null, synchronously, success, myUncommittedDocuments);
if (success) {
myUncommittedDocuments.remove(document);
myDocumentCommitProcessor.log(
"in PDI.finishDoc: removed doc", null, synchronously, success, myUncommittedDocuments);
}
myIsCommitInProgress = false;
myDocumentCommitProcessor.log(
"in PDI.finishDoc: exit", null, synchronously, success, myUncommittedDocuments);
}
return success;
}
private CodeFormatterFacade getFormatterFacade(final FileViewProvider viewProvider) {
final CodeStyleSettings styleSettings =
CodeStyleSettingsManager.getSettings(myPsiManager.getProject());
final PsiDocumentManager documentManager =
PsiDocumentManager.getInstance(myPsiManager.getProject());
final Document document = viewProvider.getDocument();
final CodeFormatterFacade codeFormatter = new CodeFormatterFacade(styleSettings);
documentManager.commitDocument(document);
return codeFormatter;
}
@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;
}
public void beforeDocumentChanged(@NotNull FileViewProvider viewProvider) {
if (isViewProviderLocked(viewProvider)) {
Throwable cause = viewProvider.getUserData(REFORMAT_ORIGINATOR);
@NonNls
String message =
"Document is locked by write PSI operations. "
+ "Use PsiDocumentManager.doPostponedOperationsAndUnblockDocument() to commit PSI changes to the document."
+ (cause == null ? "" : " See cause stacktrace for the reason to lock.");
throw cause == null ? new RuntimeException(message) : new RuntimeException(message, cause);
}
postponedFormatting(viewProvider);
}
@NotNull
public static PsiFileImpl getFileCopy(
@NotNull PsiFileImpl originalFile, @NotNull FileViewProvider providerCopy) {
FileViewProvider viewProvider = originalFile.getViewProvider();
Language language = originalFile.getLanguage();
PsiFile file = providerCopy.getPsi(language);
if (file != null && !(file instanceof PsiFileImpl)) {
throw new RuntimeException(
"View provider "
+ viewProvider
+ " refused to provide PsiFileImpl for "
+ language
+ details(providerCopy, viewProvider));
}
PsiFileImpl newFile = (PsiFileImpl) file;
if (newFile == null
&& language == PlainTextLanguage.INSTANCE
&& originalFile == viewProvider.getPsi(viewProvider.getBaseLanguage())) {
newFile = (PsiFileImpl) providerCopy.getPsi(providerCopy.getBaseLanguage());
}
if (newFile == null) {
throw new RuntimeException(
"View provider "
+ viewProvider
+ " refused to parse text with "
+ language
+ details(providerCopy, viewProvider));
}
return newFile;
}
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");
}
private static String details(FileViewProvider providerCopy, FileViewProvider viewProvider) {
return "; languages: "
+ viewProvider.getLanguages()
+ "; base: "
+ viewProvider.getBaseLanguage()
+ "; copy: "
+ providerCopy
+ "; copy.base: "
+ providerCopy.getBaseLanguage()
+ "; vFile: "
+ viewProvider.getVirtualFile()
+ "; copy.vFile: "
+ providerCopy.getVirtualFile()
+ "; fileType: "
+ viewProvider.getVirtualFile().getFileType()
+ "; copy.original(): "
+ (providerCopy.getVirtualFile() instanceof LightVirtualFile
? ((LightVirtualFile) providerCopy.getVirtualFile()).getOriginalFile()
: null);
}
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();
}
}
}
private void postponeFormatting(@NotNull FileViewProvider viewProvider, @NotNull ASTNode child) {
if (!CodeEditUtil.isNodeGenerated(child) && child.getElementType() != TokenType.WHITE_SPACE) {
final int oldIndent = CodeEditUtil.getOldIndentation(child);
LOG.assertTrue(
oldIndent >= 0,
"for not generated items old indentation must be defined: element="
+ child
+ ", text="
+ child.getText());
}
List<ASTNode> list = myReformatElements.get(viewProvider);
if (list == null) {
list = new ArrayList<ASTNode>();
myReformatElements.put(viewProvider, list);
if (STORE_REFORMAT_ORIGINATOR_STACKTRACE) {
viewProvider.putUserData(REFORMAT_ORIGINATOR, new Throwable());
}
}
list.add(child);
}
