public static void doActualPsiChange(@NotNull final PsiFile file, final DiffLog diffLog) {
file.getViewProvider().beforeContentsSynchronized();
try {
final Document document = file.getViewProvider().getDocument();
PsiDocumentManagerImpl documentManager =
(PsiDocumentManagerImpl) PsiDocumentManager.getInstance(file.getProject());
PsiToDocumentSynchronizer.DocumentChangeTransaction transaction =
documentManager.getSynchronizer().getTransaction(document);
final PsiFileImpl fileImpl = (PsiFileImpl) file;
if (transaction == null) {
final PomModel model = PomManager.getModel(fileImpl.getProject());
model.runTransaction(
new PomTransactionBase(fileImpl, model.getModelAspect(TreeAspect.class)) {
@Override
public PomModelEvent runInner() {
return new TreeAspectEvent(model, diffLog.performActualPsiChange(file));
}
});
} else {
diffLog.performActualPsiChange(file);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@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) {
cachePsi(document, file);
}
return document;
}
if (!file.getViewProvider().isEventSystemEnabled()) return null;
document =
FileDocumentManager.getInstance().getDocument(file.getViewProvider().getVirtualFile());
if (document != null) {
if (document.getTextLength() != file.getTextLength()) {
throw new AssertionError(
"Modified PSI with no document: "
+ file
+ "; physical="
+ file.getViewProvider().isPhysical());
}
if (!file.getViewProvider().isPhysical()) {
cachePsi(document, file);
}
}
return document;
}
public boolean commitTransaction(final Document document) {
ApplicationManager.getApplication().assertIsDispatchThread();
final DocumentChangeTransaction documentChangeTransaction = removeTransaction(document);
if (documentChangeTransaction == null) return false;
final PsiFile changeScope = documentChangeTransaction.myChangeScope;
try {
mySyncDocument = document;
final PsiTreeChangeEventImpl fakeEvent = new PsiTreeChangeEventImpl(changeScope.getManager());
fakeEvent.setParent(changeScope);
fakeEvent.setFile(changeScope);
checkPsiModificationAllowed(fakeEvent);
doSync(
fakeEvent,
true,
new DocSyncAction() {
@Override
public void syncDocument(
@NotNull Document document, @NotNull PsiTreeChangeEventImpl event) {
doCommitTransaction(document, documentChangeTransaction);
}
});
myBus
.syncPublisher(PsiDocumentTransactionListener.TOPIC)
.transactionCompleted(document, changeScope);
} catch (Throwable e) {
myPsiDocumentManager.forceReload(
changeScope.getViewProvider().getVirtualFile(), changeScope.getViewProvider());
ExceptionUtil.rethrowAllAsUnchecked(e);
} finally {
mySyncDocument = null;
}
return true;
}
@Override
public boolean isInProject(@NotNull PsiElement element) {
PsiFile file = element.getContainingFile();
if (file != null
&& file.isPhysical()
&& file.getViewProvider().getVirtualFile() instanceof LightVirtualFile) return true;
if (element instanceof PsiDirectoryContainer) {
PsiDirectory[] dirs = ((PsiDirectoryContainer) element).getDirectories();
for (PsiDirectory dir : dirs) {
if (!isInProject(dir)) return false;
}
return true;
}
VirtualFile virtualFile = null;
if (file != null) {
virtualFile = file.getViewProvider().getVirtualFile();
} else if (element instanceof PsiFileSystemItem) {
virtualFile = ((PsiFileSystemItem) element).getVirtualFile();
}
if (virtualFile != null) {
return myExcludedFileIndex.isInContent(virtualFile);
}
return false;
}
private boolean checkMovingInsideOutside(
PsiFile file,
final Editor editor,
LineRange range,
@NotNull final MoveInfo info,
final boolean down) {
final int offset = editor.getCaretModel().getOffset();
PsiElement elementAtOffset = file.getViewProvider().findElementAt(offset, StdLanguages.JAVA);
if (elementAtOffset == null) return false;
PsiElement guard = elementAtOffset;
do {
guard =
PsiTreeUtil.getParentOfType(
guard, PsiMethod.class, PsiClassInitializer.class, PsiClass.class, PsiComment.class);
} while (guard instanceof PsiAnonymousClass);
PsiElement brace = itIsTheClosingCurlyBraceWeAreMoving(file, editor);
if (brace != null) {
int line = editor.getDocument().getLineNumber(offset);
final LineRange toMove = new LineRange(line, line + 1);
toMove.firstElement = toMove.lastElement = brace;
info.toMove = toMove;
}
// cannot move in/outside method/class/initializer/comment
if (!calcInsertOffset(file, editor, info.toMove, info, down)) return false;
int insertOffset =
down
? getLineStartSafeOffset(editor.getDocument(), info.toMove2.endLine)
: editor.getDocument().getLineStartOffset(info.toMove2.startLine);
PsiElement elementAtInsertOffset =
file.getViewProvider().findElementAt(insertOffset, StdLanguages.JAVA);
PsiElement newGuard = elementAtInsertOffset;
do {
newGuard =
PsiTreeUtil.getParentOfType(
newGuard,
PsiMethod.class,
PsiClassInitializer.class,
PsiClass.class,
PsiComment.class);
} while (newGuard instanceof PsiAnonymousClass);
if (brace != null
&& PsiTreeUtil.getParentOfType(brace, PsiCodeBlock.class, false)
!= PsiTreeUtil.getParentOfType(elementAtInsertOffset, PsiCodeBlock.class, false)) {
info.indentSource = true;
}
if (newGuard == guard && isInside(insertOffset, newGuard) == isInside(offset, guard))
return true;
// moving in/out nested class is OK
if (guard instanceof PsiClass && guard.getParent() instanceof PsiClass) return true;
if (newGuard instanceof PsiClass && newGuard.getParent() instanceof PsiClass) return true;
return false;
}
public static boolean isClassEquivalentTo(@NotNull PsiClass aClass, PsiElement another) {
if (aClass == another) return true;
if (!(another instanceof PsiClass)) return false;
String name1 = aClass.getName();
if (name1 == null) return false;
if (!another.isValid()) return false;
String name2 = ((PsiClass) another).getName();
if (name2 == null) return false;
if (name1.hashCode() != name2.hashCode()) return false;
if (!name1.equals(name2)) return false;
String qName1 = aClass.getQualifiedName();
String qName2 = ((PsiClass) another).getQualifiedName();
if (qName1 == null || qName2 == null) {
//noinspection StringEquality
if (qName1 != qName2) return false;
if (aClass instanceof PsiTypeParameter && another instanceof PsiTypeParameter) {
PsiTypeParameter p1 = (PsiTypeParameter) aClass;
PsiTypeParameter p2 = (PsiTypeParameter) another;
return p1.getIndex() == p2.getIndex()
&& aClass.getManager().areElementsEquivalent(p1.getOwner(), p2.getOwner());
} else {
return false;
}
}
if (qName1.hashCode() != qName2.hashCode() || !qName1.equals(qName2)) {
return false;
}
if (originalElement(aClass).equals(originalElement((PsiClass) another))) {
return true;
}
final PsiFile file1 = aClass.getContainingFile().getOriginalFile();
final PsiFile file2 = another.getContainingFile().getOriginalFile();
// see com.intellij.openapi.vcs.changes.PsiChangeTracker
// see com.intellij.psi.impl.PsiFileFactoryImpl#createFileFromText(CharSequence,PsiFile)
final PsiFile original1 = file1.getUserData(PsiFileFactory.ORIGINAL_FILE);
final PsiFile original2 = file2.getUserData(PsiFileFactory.ORIGINAL_FILE);
if (original1 == original2 && original1 != null
|| original1 == file2
|| original2 == file1
|| file1 == file2) {
return compareClassSeqNumber(aClass, (PsiClass) another);
}
final FileIndexFacade fileIndex =
ServiceManager.getService(file1.getProject(), FileIndexFacade.class);
final VirtualFile vfile1 = file1.getViewProvider().getVirtualFile();
final VirtualFile vfile2 = file2.getViewProvider().getVirtualFile();
boolean lib1 = fileIndex.isInLibraryClasses(vfile1);
boolean lib2 = fileIndex.isInLibraryClasses(vfile2);
return (fileIndex.isInSource(vfile1) || lib1) && (fileIndex.isInSource(vfile2) || lib2);
}
@Nullable
public static String findUri(PsiFile file, int offset) {
PsiReference currentRef = file.getViewProvider().findReferenceAt(offset, file.getLanguage());
if (currentRef == null) currentRef = file.getViewProvider().findReferenceAt(offset);
if (currentRef instanceof URLReference || currentRef instanceof DependentNSReference) {
return currentRef.getCanonicalText();
}
return null;
}
private static PsiFile createFileCopy(PsiFile file, long caret, long selEnd) {
final VirtualFile virtualFile = file.getVirtualFile();
boolean mayCacheCopy =
file.isPhysical()
&&
// we don't want to cache code fragment copies even if they appear to be physical
virtualFile != null
&& virtualFile.isInLocalFileSystem();
long combinedOffsets = caret + (selEnd << 32);
if (mayCacheCopy) {
final Trinity<PsiFile, Document, Long> cached =
SoftReference.dereference(file.getUserData(FILE_COPY_KEY));
if (cached != null
&& cached.first.getClass().equals(file.getClass())
&& isCopyUpToDate(cached.second, cached.first)) {
final PsiFile copy = cached.first;
if (copy.getViewProvider().getModificationStamp()
> file.getViewProvider().getModificationStamp()
&& cached.third.longValue() != combinedOffsets) {
// the copy PSI might have some caches that are not cleared on its modification because
// there are no events in the copy
// so, clear all the caches
// hopefully it's a rare situation that the user invokes completion in different parts of
// the file
// without modifying anything physical in between
((PsiModificationTrackerImpl) file.getManager().getModificationTracker()).incCounter();
}
final Document document = cached.second;
assert document != null;
file.putUserData(
FILE_COPY_KEY,
new SoftReference<Trinity<PsiFile, Document, Long>>(
Trinity.create(copy, document, combinedOffsets)));
Document originalDocument = file.getViewProvider().getDocument();
assert originalDocument != null;
assert originalDocument.getTextLength() == file.getTextLength() : originalDocument;
document.setText(originalDocument.getImmutableCharSequence());
return copy;
}
}
final PsiFile copy = (PsiFile) file.copy();
if (mayCacheCopy) {
final Document document = copy.getViewProvider().getDocument();
assert document != null;
file.putUserData(
FILE_COPY_KEY,
new SoftReference<Trinity<PsiFile, Document, Long>>(
Trinity.create(copy, document, combinedOffsets)));
}
return copy;
}
public boolean isErrorAnalyzingFinished(@NotNull PsiFile file) {
if (myDisposed) return false;
Document document = PsiDocumentManager.getInstance(myProject).getCachedDocument(file);
return document != null
&& document.getModificationStamp() == file.getViewProvider().getModificationStamp()
&& myFileStatusMap.getFileDirtyScope(document, Pass.UPDATE_ALL) == null;
}
// 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);
}
public static void enumerate(
@NotNull PsiElement host,
@NotNull PsiFile containingFile,
boolean probeUp,
@NotNull PsiLanguageInjectionHost.InjectedPsiVisitor visitor) {
// do not inject into nonphysical files except during completion
if (!containingFile.isPhysical() && containingFile.getOriginalFile() == containingFile) {
final PsiElement context =
InjectedLanguageManager.getInstance(containingFile.getProject())
.getInjectionHost(containingFile);
if (context == null) return;
final PsiFile file = context.getContainingFile();
if (file == null || !file.isPhysical() && file.getOriginalFile() == file) return;
}
if (containingFile.getViewProvider() instanceof InjectedFileViewProvider)
return; // no injection inside injection
PsiElement inTree = loadTree(host, containingFile);
if (inTree != host) {
host = inTree;
containingFile = host.getContainingFile();
}
MultiHostRegistrarImpl registrar = probeElementsUp(host, containingFile, probeUp);
if (registrar == null) {
return;
}
List<Pair<Place, PsiFile>> places = registrar.getResult();
for (Pair<Place, PsiFile> pair : places) {
PsiFile injectedPsi = pair.second;
visitor.visit(injectedPsi, pair.first);
}
}
@Override
@Nullable
protected TextRange surroundStatement(
@NotNull Project project, @NotNull Editor editor, @NotNull PsiElement[] elements)
throws IncorrectOperationException {
PyTryExceptStatement tryStatement =
PyElementGenerator.getInstance(project)
.createFromText(LanguageLevel.getDefault(), PyTryExceptStatement.class, getTemplate());
final PsiElement parent = elements[0].getParent();
final PyStatementList statementList = tryStatement.getTryPart().getStatementList();
statementList.addRange(elements[0], elements[elements.length - 1]);
statementList.getFirstChild().delete();
tryStatement = (PyTryExceptStatement) parent.addBefore(tryStatement, elements[0]);
parent.deleteChildRange(elements[0], elements[elements.length - 1]);
final PsiFile psiFile = parent.getContainingFile();
final Document document = psiFile.getViewProvider().getDocument();
final TextRange range = tryStatement.getTextRange();
assert document != null;
final RangeMarker rangeMarker = document.createRangeMarker(range);
final PsiElement element = psiFile.findElementAt(rangeMarker.getStartOffset());
tryStatement = PsiTreeUtil.getParentOfType(element, PyTryExceptStatement.class);
if (tryStatement != null) {
return getResultRange(tryStatement);
}
return null;
}
@Override
@Nullable
public ObjectStubTree readOrBuild(
Project project, final VirtualFile vFile, @Nullable PsiFile psiFile) {
final ObjectStubTree fromIndices = readFromVFile(project, vFile);
if (fromIndices != null) {
return fromIndices;
}
try {
final FileContent fc = new FileContentImpl(vFile, vFile.contentsToByteArray());
fc.putUserData(IndexingDataKeys.PROJECT, project);
if (psiFile != null && !vFile.getFileType().isBinary()) {
fc.putUserData(
IndexingDataKeys.FILE_TEXT_CONTENT_KEY, psiFile.getViewProvider().getContents());
// but don't reuse psiFile itself to avoid loading its contents. If we load AST, the stub
// will be thrown out anyway.
}
Stub element = StubTreeBuilder.buildStubTree(fc);
if (element instanceof PsiFileStub) {
StubTree tree = new StubTree((PsiFileStub) element);
tree.setDebugInfo("created from file content");
return tree;
}
} catch (IOException e) {
LOG.info(
e); // content can be not cached yet, and the file can be deleted on disk already, without
// refresh
}
return null;
}
private static boolean navigateInCurrentEditor(
@NotNull PsiElement element, @NotNull PsiFile currentFile, @NotNull Editor currentEditor) {
if (element.getContainingFile() == currentFile) {
int offset = element.getTextOffset();
PsiElement leaf = currentFile.findElementAt(offset);
// check that element is really physically inside the file
// there are fake elements with custom navigation (e.g. opening URL in browser) that override
// getContainingFile for various reasons
if (leaf != null && PsiTreeUtil.isAncestor(element, leaf, false)) {
Project project = element.getProject();
CommandProcessor.getInstance()
.executeCommand(
project,
() -> {
IdeDocumentHistory.getInstance(project).includeCurrentCommandAsNavigation();
new OpenFileDescriptor(
project, currentFile.getViewProvider().getVirtualFile(), offset)
.navigateIn(currentEditor);
},
"",
null);
return true;
}
}
return false;
}
@Nullable
public static <E extends PsiElement> E findArgumentList(
PsiFile file, int offset, int lbraceOffset) {
if (file == null) return null;
ParameterInfoHandler[] handlers =
ShowParameterInfoHandler.getHandlers(
file.getProject(),
PsiUtilCore.getLanguageAtOffset(file, offset),
file.getViewProvider().getBaseLanguage());
if (handlers != null) {
for (ParameterInfoHandler handler : handlers) {
if (handler instanceof ParameterInfoHandlerWithTabActionSupport) {
final ParameterInfoHandlerWithTabActionSupport parameterInfoHandler2 =
(ParameterInfoHandlerWithTabActionSupport) handler;
// please don't remove typecast in the following line; it's required to compile the code
// under old JDK 6 versions
final E e =
(E)
ParameterInfoUtils.findArgumentList(
file, offset, lbraceOffset, parameterInfoHandler2);
if (e != null) return e;
}
}
}
return null;
}
@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 doSync(
@NotNull final PsiTreeChangeEvent event,
boolean force,
@NotNull final DocSyncAction syncAction) {
if (!toProcessPsiEvent()) return;
final PsiFile psiFile = event.getFile();
if (!(psiFile instanceof PsiFileEx) || !((PsiFileEx) psiFile).isContentsLoaded()) return;
final DocumentEx document = getCachedDocument(psiFile, force);
if (document == null) return;
performAtomically(
psiFile,
new Runnable() {
@Override
public void run() {
syncAction.syncDocument(document, (PsiTreeChangeEventImpl) event);
}
});
final boolean insideTransaction = myTransactionsMap.containsKey(document);
if (!insideTransaction) {
document.setModificationStamp(psiFile.getViewProvider().getModificationStamp());
}
}
public boolean isAllAnalysisFinished(@NotNull PsiFile file) {
if (myDisposed) return false;
Document document = PsiDocumentManager.getInstance(myProject).getCachedDocument(file);
return document != null
&& document.getModificationStamp() == file.getViewProvider().getModificationStamp()
&& myFileStatusMap.allDirtyScopesAreNull(document);
}
@Nullable
private PsiClass mapClass(@NotNull PsiClass psiClass) {
String qualifiedName = psiClass.getQualifiedName();
if (qualifiedName == null) {
return psiClass;
}
PsiFile file = psiClass.getContainingFile();
if (file == null || !file.getViewProvider().isPhysical()) {
return psiClass;
}
final VirtualFile vFile = file.getVirtualFile();
if (vFile == null) {
return psiClass;
}
final FileIndexFacade index = FileIndexFacade.getInstance(file.getProject());
if (!index.isInSource(vFile)
&& !index.isInLibrarySource(vFile)
&& !index.isInLibraryClasses(vFile)) {
return psiClass;
}
return JavaPsiFacade.getInstance(psiClass.getProject())
.findClass(qualifiedName, myResolveScope);
}
private static VirtualFile getConsoleFile(PsiFile psiFile) {
VirtualFile file = psiFile.getViewProvider().getVirtualFile();
if (file instanceof LightVirtualFile) {
file = ((LightVirtualFile) file).getOriginalFile();
}
return file;
}
private static void logStats(Collection<PsiFile> otherFiles, long start) {
long time = System.currentTimeMillis() - start;
final Multiset<String> stats = HashMultiset.create();
for (PsiFile file : otherFiles) {
stats.add(
StringUtil.notNullize(file.getViewProvider().getVirtualFile().getExtension())
.toLowerCase());
}
List<String> extensions = ContainerUtil.newArrayList(stats.elementSet());
Collections.sort(
extensions,
new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
return stats.count(o2) - stats.count(o1);
}
});
String message =
"Search in "
+ otherFiles.size()
+ " files with unknown types took "
+ time
+ "ms.\n"
+ "Mapping their extensions to an existing file type (e.g. Plain Text) might speed up the search.\n"
+ "Most frequent non-indexed file extensions: ";
for (int i = 0; i < Math.min(10, extensions.size()); i++) {
String extension = extensions.get(i);
message += extension + "(" + stats.count(extension) + ") ";
}
LOG.info(message);
}
@NotNull
private static String[] collectNamesToImport(
@NotNull PsiJavaFile file, @NotNull Set<String> namesToImportStaticly) {
Set<String> names = new THashSet<String>();
final JspFile jspFile = JspPsiUtil.getJspFile(file);
collectNamesToImport(names, file, namesToImportStaticly, jspFile);
if (jspFile != null) {
PsiFile[] files =
ArrayUtil.mergeArrays(
JspSpiUtil.getIncludingFiles(jspFile),
JspSpiUtil.getIncludedFiles(jspFile),
PsiFile.class);
for (PsiFile includingFile : files) {
final PsiFile javaRoot = includingFile.getViewProvider().getPsi(StdLanguages.JAVA);
if (javaRoot instanceof PsiJavaFile && file != javaRoot) {
collectNamesToImport(names, (PsiJavaFile) javaRoot, namesToImportStaticly, jspFile);
}
}
}
addUnresolvedImportNames(names, file, namesToImportStaticly);
return ArrayUtil.toStringArray(names);
}
@Nullable
private static PsiFile getRoot(final PsiFile file, final Editor editor) {
if (file == null) return null;
int offset = editor.getCaretModel().getOffset();
if (offset == editor.getDocument().getTextLength()) offset--;
if (offset < 0) return null;
PsiElement leafElement = file.findElementAt(offset);
if (leafElement == null) return null;
if (leafElement.getLanguage() instanceof DependentLanguage) {
leafElement =
file.getViewProvider().findElementAt(offset, file.getViewProvider().getBaseLanguage());
if (leafElement == null) return null;
}
ASTNode node = leafElement.getNode();
if (node == null) return null;
return (PsiFile) PsiUtilBase.getRoot(node).getPsi();
}
private JavaResolveResult advancedResolveInner(final PsiElement psiElement, final String qName) {
final PsiManager manager = psiElement.getManager();
final GlobalSearchScope scope = getScope();
if (myIndex == myJavaClassReferenceSet.getReferences().length - 1) {
final PsiClass aClass =
JavaPsiFacade.getInstance(manager.getProject()).findClass(qName, scope);
if (aClass != null) {
return new ClassCandidateInfo(aClass, PsiSubstitutor.EMPTY, false, psiElement);
} else {
if (!JavaClassReferenceProvider.ADVANCED_RESOLVE.getBooleanValue(getOptions())) {
return JavaResolveResult.EMPTY;
}
}
}
PsiElement resolveResult = JavaPsiFacade.getInstance(manager.getProject()).findPackage(qName);
if (resolveResult == null) {
resolveResult = JavaPsiFacade.getInstance(manager.getProject()).findClass(qName, scope);
}
if (myInStaticImport && resolveResult == null) {
resolveResult = resolveMember(qName, manager, getElement().getResolveScope());
}
if (resolveResult == null) {
PsiFile containingFile = psiElement.getContainingFile();
if (containingFile instanceof PsiJavaFile) {
if (containingFile instanceof JspFile) {
containingFile = containingFile.getViewProvider().getPsi(StdLanguages.JAVA);
if (containingFile == null) return JavaResolveResult.EMPTY;
}
final ClassResolverProcessor processor =
new ClassResolverProcessor(getCanonicalText(), psiElement);
containingFile.processDeclarations(processor, ResolveState.initial(), null, psiElement);
if (processor.getResult().length == 1) {
final JavaResolveResult javaResolveResult = processor.getResult()[0];
if (javaResolveResult != JavaResolveResult.EMPTY && getOptions() != null) {
final Boolean value =
JavaClassReferenceProvider.RESOLVE_QUALIFIED_CLASS_NAME.getValue(getOptions());
final PsiClass psiClass = (PsiClass) javaResolveResult.getElement();
if (value != null && value.booleanValue() && psiClass != null) {
final String qualifiedName = psiClass.getQualifiedName();
if (!qName.equals(qualifiedName)) {
return JavaResolveResult.EMPTY;
}
}
}
return javaResolveResult;
}
}
}
return resolveResult != null
? new CandidateInfo(resolveResult, PsiSubstitutor.EMPTY, false, false, psiElement)
: JavaResolveResult.EMPTY;
}
private static boolean isCopyUpToDate(Document document, @NotNull PsiFile file) {
if (!file.isValid()) {
return false;
}
// the psi file cache might have been cleared by some external activity,
// in which case PSI-document sync may stop working
PsiFile current = PsiDocumentManager.getInstance(file.getProject()).getPsiFile(document);
return current != null && current.getViewProvider().getPsi(file.getLanguage()) == file;
}
private static int getNewIndent(final PsiFile psiFile, final int firstWhitespace) {
final Document document = psiFile.getViewProvider().getDocument();
final int startOffset = document.getLineStartOffset(document.getLineNumber(firstWhitespace));
int endOffset = startOffset;
final CharSequence charsSequence = document.getCharsSequence();
while (Character.isWhitespace(charsSequence.charAt(endOffset++))) ;
final String newIndentStr = charsSequence.subSequence(startOffset, endOffset - 1).toString();
return IndentHelperImpl.getIndent(
psiFile.getProject(), psiFile.getFileType(), newIndentStr, true);
}
public static FormattingDocumentModelImpl createOn(PsiFile file) {
Document document = getDocumentToBeUsedFor(file);
if (document != null) {
checkDocument(file, document);
return new FormattingDocumentModelImpl(document, file);
} else {
return new FormattingDocumentModelImpl(
new DocumentImpl(file.getViewProvider().getContents(), true), file);
}
}
@NotNull
private static FileHighlightingSetting[] getDefaults(@NotNull PsiFile file) {
final int rootsCount = file.getViewProvider().getLanguages().size();
final FileHighlightingSetting[] fileHighlightingSettings =
new FileHighlightingSetting[rootsCount];
for (int i = 0; i < fileHighlightingSettings.length; i++) {
fileHighlightingSettings[i] = FileHighlightingSetting.FORCE_HIGHLIGHTING;
}
return fileHighlightingSettings;
}
@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;
}
public static void assertInvalidRanges(
final int startOffset,
final int newEndOffset,
FormattingDocumentModel model,
String message) {
@NonNls final StringBuilder buffer = new StringBuilder();
buffer.append("Invalid formatting blocks:").append(message).append("\n");
buffer.append("Start offset:");
buffer.append(startOffset);
buffer.append(" end offset:");
buffer.append(newEndOffset);
buffer.append("\n");
int minOffset = Math.max(Math.min(startOffset, newEndOffset) - 20, 0);
int maxOffset = Math.min(Math.max(startOffset, newEndOffset) + 20, model.getTextLength());
buffer
.append("Affected text fragment:[")
.append(minOffset)
.append(",")
.append(maxOffset)
.append("] - '")
.append(model.getText(new TextRange(minOffset, maxOffset)))
.append("'\n");
final StringBuilder messageBuffer = new StringBuilder();
messageBuffer.append("Invalid ranges during formatting");
if (model instanceof FormattingDocumentModelImpl) {
messageBuffer
.append(" in ")
.append(((FormattingDocumentModelImpl) model).getFile().getLanguage());
}
buffer.append("File text:(").append(model.getTextLength()).append(")\n'");
buffer.append(model.getText(new TextRange(0, model.getTextLength())).toString());
buffer.append("'\n");
buffer.append("model (").append(model.getClass()).append("): ").append(model);
Throwable currentThrowable = new Throwable();
if (model instanceof FormattingDocumentModelImpl) {
final FormattingDocumentModelImpl modelImpl = (FormattingDocumentModelImpl) model;
buffer.append("Psi Tree:\n");
final PsiFile file = modelImpl.getFile();
final List<PsiFile> roots = file.getViewProvider().getAllFiles();
for (PsiFile root : roots) {
buffer.append("Root ");
DebugUtil.treeToBuffer(buffer, root.getNode(), 0, false, true, true, true);
}
buffer.append('\n');
currentThrowable = makeLanguageStackTrace(currentThrowable, file);
}
LogMessageEx.error(LOG, messageBuffer.toString(), currentThrowable, buffer.toString());
}
