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";
}
}
}
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 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);
}
@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;
}