下面列出了怎么用com.intellij.psi.PsiInvalidElementAccessException的API类实例代码及写法，或者点击链接到github查看源代码。
private static boolean isValid(JSObjectLiteralExpression expression) {
if (expression == null) {
return false;
}
try {
PsiFile file = expression.getContainingFile();
if (file == null) {
return false;
}
} catch (PsiInvalidElementAccessException e) {
return false;
}
JSProperty data = expression.findProperty("data");
if (data == null || data.getValue() == null) {
return false;
}
return true;
}
public static int getExportsEndOffset(PsiElement anyElementOnWeexScript, String name) {
JSObjectLiteralExpression exports = getExportsStatement(anyElementOnWeexScript);
if (exports != null) {
try {
PsiFile file = exports.getContainingFile();
if (file == null) {
return -1;
}
} catch (PsiInvalidElementAccessException e) {
return -1;
}
JSProperty data = exports.findProperty(name);
if (data == null || data.getValue() == null) {
return -1;
}
return data.getValue().getTextRange().getEndOffset() - 1;
}
return -1;
}
/**
* Ensures this element is AST-based. This is an expensive operation that might take significant time and allocate lots of objects,
* so it should be to be avoided if possible.
*
* @return an AST node corresponding to this element. If the element is currently operating via stubs,
* this causes AST to be loaded for the whole file and all stub-based PSI elements in this file (including the current one)
* to be switched from stub to AST. So, after this call {@link #getStub()} will return null.
*/
@Override
@Nonnull
public ASTNode getNode() {
if (mySubstrateRef instanceof SubstrateRef.StubRef) {
ApplicationManager.getApplication().assertReadAccessAllowed();
PsiFileImpl file = (PsiFileImpl)getContainingFile();
if (!file.isValid()) throw new PsiInvalidElementAccessException(file);
FileElement treeElement = file.getTreeElement();
if (treeElement != null && mySubstrateRef instanceof SubstrateRef.StubRef) {
return notBoundInExistingAst(file, treeElement);
}
treeElement = file.calcTreeElement();
if (mySubstrateRef instanceof SubstrateRef.StubRef) {
return failedToBindStubToAst(file, treeElement);
}
}
return mySubstrateRef.getNode();
}
@Override
public PsiManagerEx getManager() {
Project project = ProjectCoreUtil.theOnlyOpenProject();
if (project != null) {
return PsiManagerEx.getInstanceEx(project);
}
PsiElement parent = this;
while (parent instanceof ASTDelegatePsiElement) {
parent = parent.getParent();
}
if (parent == null) {
throw new PsiInvalidElementAccessException(this);
}
return (PsiManagerEx)parent.getManager();
}
@Nonnull
static SubstrateRef createInvalidRef(@Nonnull final StubBasedPsiElementBase<?> psi) {
return new SubstrateRef() {
@Nonnull
@Override
public ASTNode getNode() {
throw new PsiInvalidElementAccessException(psi);
}
@Override
public boolean isValid() {
return false;
}
@Nonnull
@Override
public PsiFile getContainingFile() {
throw new PsiInvalidElementAccessException(psi);
}
};
}
@NotNull
public static String getQualifiedPath(@NotNull PsiNameIdentifierOwner element) {
String path = "";
PsiElement parent = element.getParent();
while (parent != null) {
if (parent instanceof PsiQualifiedElement) {
if (parent instanceof PsiNameIdentifierOwner && ((PsiNameIdentifierOwner) parent).getNameIdentifier() == element) {
return ((PsiQualifiedElement) parent).getPath();
}
return ((PsiQualifiedElement) parent).getQualifiedName() + (path.isEmpty() ? "" : "." + path);
} else {
if (parent instanceof PsiNameIdentifierOwner) {
String parentName = ((PsiNamedElement) parent).getName();
if (parentName != null && !parentName.isEmpty()) {
path = parentName + (path.isEmpty() ? "" : "." + path);
}
}
parent = parent.getParent();
}
}
try {
PsiFile containingFile = element.getContainingFile(); // Fail in 2019.2... ?
return ((FileBase) containingFile).getModuleName() + (path.isEmpty() ? "" : "." + path);
} catch (PsiInvalidElementAccessException e) {
return path;
}
}
public static JSProperty getVarDeclaration(PsiElement anyElementOnWeexScript, String valueName) {
valueName = CodeUtil.getVarNameFromMustache(valueName);
JSObjectLiteralExpression exports = getExportsStatement(anyElementOnWeexScript);
vars.clear();
JSProperty ret = null;
if (exports != null) {
try {
PsiFile file = exports.getContainingFile();
if (file == null) {
return null;
}
} catch (PsiInvalidElementAccessException e) {
return null;
}
JSProperty data = exports.findProperty("data");
if (data == null || data.getValue() == null) {
return null;
}
for (PsiElement pe : data.getValue().getChildren()) {
if (pe instanceof JSProperty) {
String varName = ((JSProperty) pe).getName();
String varValue = getJSPropertyType((JSProperty) pe);
if (varName != null && varValue != null) {
vars.put(varName, varValue);
}
if (valueName.equals(varName)) {
ret = (JSProperty) pe;
}
}
}
}
return ret;
}
@Nullable
public static PsiElement resolveExposed(PsiElement element, Function<ElmFile, PsiElement> resolveInFile) {
PsiFile file;
try {
file = element.getContainingFile();
} catch (PsiInvalidElementAccessException ex) {
return null;
}
return resolveExposed(file, resolveInFile);
}
private void attachEntityClass(@NotNull Collection<LineMarkerInfo> lineMarkerInfos, @NotNull PsiElement psiElement) {
if(psiElement.getNode().getElementType() != YAMLTokenTypes.SCALAR_KEY) {
return;
}
PsiElement yamlKeyValue = psiElement.getParent();
if(!(yamlKeyValue instanceof YAMLKeyValue)) {
return;
}
if(yamlKeyValue.getParent() instanceof YAMLMapping && yamlKeyValue.getParent().getParent() instanceof YAMLDocument) {
PsiFile containingFile;
try {
containingFile = yamlKeyValue.getContainingFile();
} catch (PsiInvalidElementAccessException e) {
return;
}
String fileName = containingFile.getName();
if(isMetadataFile(fileName)) {
String keyText = ((YAMLKeyValue) yamlKeyValue).getKeyText();
if(StringUtils.isNotBlank(keyText)) {
Collection<PhpClass> phpClasses = PhpElementsUtil.getClassesInterface(psiElement.getProject(), keyText);
if(phpClasses.size() > 0) {
NavigationGutterIconBuilder<PsiElement> builder = NavigationGutterIconBuilder.create(Symfony2Icons.DOCTRINE_LINE_MARKER).
setTargets(phpClasses).
setTooltipText("Navigate to class");
lineMarkerInfos.add(builder.createLineMarkerInfo(psiElement));
}
}
}
}
}
@Override
@Nonnull
public PsiFile getContainingFile() {
try {
return mySubstrateRef.getContainingFile();
}
catch (PsiInvalidElementAccessException e) {
if (PsiInvalidElementAccessException.getInvalidationTrace(this) != null) {
throw new PsiInvalidElementAccessException(this, e);
}
else {
throw e;
}
}
}
public static boolean treeWalkUp(@Nonnull final PsiScopeProcessor processor,
@Nonnull final PsiElement entrance,
@Nullable final PsiElement maxScope,
@Nonnull final ResolveState state) {
if (!entrance.isValid()) {
LOGGER.error(new PsiInvalidElementAccessException(entrance));
}
PsiElement prevParent = entrance;
PsiElement scope = entrance;
while (scope != null) {
ProgressIndicatorProvider.checkCanceled();
if (!scope.processDeclarations(processor, state, prevParent, entrance)) {
return false; // resolved
}
if (scope == maxScope) break;
prevParent = scope;
scope = prevParent.getContext();
if (scope != null && scope != prevParent.getParent() && !scope.isValid()) {
break;
}
}
return true;
}
@Override
public PsiManagerEx getManager() {
CompositeElement treeParent = getTreeParent();
if (treeParent != null) return treeParent.getManager();
PsiElement psi = getPsi();
if (psi == null) throw PsiInvalidElementAccessException.createByNode(this, null);
return (PsiManagerEx)psi.getManager();
}
private PsiFile reportError(StubElement stub) {
ApplicationManager.getApplication().assertReadAccessAllowed();
String reason = ((PsiFileStubImpl<?>)stub).getInvalidationReason();
PsiInvalidElementAccessException exception = new PsiInvalidElementAccessException(myStub.getPsi(), "no psi for file stub " + stub + ", invalidation reason=" + reason, null);
if (PsiFileImpl.STUB_PSI_MISMATCH.equals(reason)) {
// we're between finding stub-psi mismatch and the next EDT spot where the file is reparsed and stub rebuilt
// see com.intellij.psi.impl.source.PsiFileImpl.rebuildStub()
// most likely it's just another highlighting thread accessing the same PSI concurrently and not yet canceled, so cancel it
throw new ProcessCanceledException(exception);
}
throw exception;
}
@Override
public boolean isFormatterAllowed(@Nonnull PsiElement context) {
try {
PsiFile file = context.getContainingFile();
CodeStyleSettings settings = CodeStyle.getSettings(file);
return !settings.getExcludedFiles().contains(file);
}
catch (PsiInvalidElementAccessException e) {
return false;
}
}
@NotNull
@Override
public Project getProject() throws PsiInvalidElementAccessException {
return project;
}
@Override
public PsiFile getContainingFile() throws PsiInvalidElementAccessException {
return file;
}
@NotNull
private static Icon getTestStateIcon(@NotNull PsiElement element, @NotNull Icon defaultIcon) {
// SMTTestProxy maps test run data to a URI derived from a location hint produced by `package:test`.
// If we can find corresponding data, we can provide state-aware icons. If not, we default to
// a standard Run state.
PsiFile containingFile;
try {
containingFile = element.getContainingFile();
}
catch (PsiInvalidElementAccessException e) {
containingFile = null;
}
final Project project = element.getProject();
final PsiDocumentManager psiDocumentManager = PsiDocumentManager.getInstance(project);
final Document document = containingFile == null ? null : psiDocumentManager.getDocument(containingFile);
if (document != null) {
final int textOffset = element.getTextOffset();
final int lineNumber = document.getLineNumber(textOffset);
// e.g., dart_location:///Users/pq/IdeaProjects/untitled1298891289891/test/unit_test.dart,3,2,["my first unit test"]
final String path = FileUtil.toSystemIndependentName(containingFile.getVirtualFile().getPath());
final String testLocationPrefix = "dart_location://" + path + "," + lineNumber;
final TestStateStorage storage = TestStateStorage.getInstance(project);
if (storage != null) {
final Map<String, TestStateStorage.Record> tests = storage.getRecentTests(SCANNED_TEST_RESULT_LIMIT, getSinceDate());
if (tests != null) {
// TODO(pq): investigate performance implications.
for (Map.Entry<String, TestStateStorage.Record> entry : tests.entrySet()) {
if (entry.getKey().startsWith(testLocationPrefix)) {
final TestStateStorage.Record state = entry.getValue();
final TestStateInfo.Magnitude magnitude = TestIconMapper.getMagnitude(state.magnitude);
if (magnitude != null) {
switch (magnitude) {
case IGNORED_INDEX:
return AllIcons.RunConfigurations.TestState.Yellow2;
case ERROR_INDEX:
case FAILED_INDEX:
return AllIcons.RunConfigurations.TestState.Red2;
case PASSED_INDEX:
case COMPLETE_INDEX:
return AllIcons.RunConfigurations.TestState.Green2;
default:
}
}
}
}
}
}
}
return defaultIcon;
}
@NotNull
private static Icon getTestStateIcon(@NotNull PsiElement element, @NotNull Icon defaultIcon) {
// SMTTestProxy maps test run data to a URI derived from a location hint produced by `package:test`.
// If we can find corresponding data, we can provide state-aware icons. If not, we default to
// a standard Run state.
PsiFile containingFile;
try {
containingFile = element.getContainingFile();
}
catch (PsiInvalidElementAccessException e) {
containingFile = null;
}
final Project project = element.getProject();
final PsiDocumentManager psiDocumentManager = PsiDocumentManager.getInstance(project);
final Document document = containingFile == null ? null : psiDocumentManager.getDocument(containingFile);
if (document != null) {
final int textOffset = element.getTextOffset();
final int lineNumber = document.getLineNumber(textOffset);
// e.g., dart_location:///Users/pq/IdeaProjects/untitled1298891289891/test/unit_test.dart,3,2,["my first unit test"]
final String path = FileUtil.toSystemIndependentName(containingFile.getVirtualFile().getPath());
final String testLocationPrefix = "dart_location://" + path + "," + lineNumber;
final TestStateStorage storage = TestStateStorage.getInstance(project);
if (storage != null) {
final Map<String, TestStateStorage.Record> tests = storage.getRecentTests(SCANNED_TEST_RESULT_LIMIT, getSinceDate());
if (tests != null) {
// TODO(pq): investigate performance implications.
for (Map.Entry<String, TestStateStorage.Record> entry : tests.entrySet()) {
if (entry.getKey().startsWith(testLocationPrefix)) {
final TestStateStorage.Record state = entry.getValue();
final TestStateInfo.Magnitude magnitude = TestIconMapper.getMagnitude(state.magnitude);
if (magnitude != null) {
switch (magnitude) {
case IGNORED_INDEX:
return AllIcons.RunConfigurations.TestState.Yellow2;
case ERROR_INDEX:
case FAILED_INDEX:
return AllIcons.RunConfigurations.TestState.Red2;
case PASSED_INDEX:
case COMPLETE_INDEX:
return AllIcons.RunConfigurations.TestState.Green2;
default:
}
}
}
}
}
}
}
return defaultIcon;
}
@Nullable
@Override
public PsiElement[] getGotoDeclarationTargets(@Nullable PsiElement psiElement, int i, Editor editor) {
if(psiElement == null) {
return new PsiElement[0];
}
PsiFile containingFile;
try {
containingFile = psiElement.getContainingFile();
} catch (PsiInvalidElementAccessException e) {
return new PsiElement[0];
}
FileType fileType = containingFile.getFileType();
if(!(fileType instanceof PhpFileType) && !(fileType instanceof TwigFileType)) {
return new PsiElement[0];
}
String selectedItem = null;
if(psiElement.getNode().getElementType() == TwigTokenTypes.STRING_TEXT) {
// twig language
selectedItem = psiElement.getText();
} else {
// php language
PsiElement stringLiteral = psiElement.getParent();
if(stringLiteral instanceof StringLiteralExpression) {
selectedItem = ((StringLiteralExpression) stringLiteral).getContents();
}
}
if(StringUtils.isBlank(selectedItem)) {
return new PsiElement[0];
}
Map<PhpToolboxProviderInterface, Set<JsonRegistrar>> providers = RegistrarMatchUtil.getProviders(psiElement);
if(providers.size() == 0) {
return new PsiElement[0];
}
PhpToolboxDeclarationHandlerParameter parameter = new PhpToolboxDeclarationHandlerParameter(psiElement, selectedItem, fileType);
Collection<PsiElement> targets = new HashSet<>();
for (Map.Entry<PhpToolboxProviderInterface, Set<JsonRegistrar>> provider : providers.entrySet()) {
targets.addAll(provider.getKey().getPsiTargets(parameter));
}
return targets.toArray(new PsiElement[targets.size()]);
}
@Nullable
@Override
public PsiElement[] getGotoDeclarationTargets(@Nullable PsiElement psiElement, int i, Editor editor) {
if(psiElement == null) {
return new PsiElement[0];
}
PsiFile containingFile;
try {
containingFile = psiElement.getContainingFile();
} catch (PsiInvalidElementAccessException e) {
return new PsiElement[0];
}
FileType fileType = containingFile.getFileType();
if(!(fileType instanceof PhpFileType) && !(fileType instanceof TwigFileType)) {
return new PsiElement[0];
}
String selectedItem = null;
if(psiElement.getNode().getElementType() == TwigTokenTypes.STRING_TEXT) {
// twig language
selectedItem = psiElement.getText();
} else {
// php language
PsiElement stringLiteral = psiElement.getParent();
if(stringLiteral instanceof StringLiteralExpression) {
selectedItem = ((StringLiteralExpression) stringLiteral).getContents();
}
}
if(StringUtils.isBlank(selectedItem)) {
return new PsiElement[0];
}
Map<PhpToolboxProviderInterface, Set<JsonRegistrar>> providers = RegistrarMatchUtil.getProviders(psiElement);
if(providers.size() == 0) {
return new PsiElement[0];
}
PhpToolboxDeclarationHandlerParameter parameter = new PhpToolboxDeclarationHandlerParameter(psiElement, selectedItem, fileType);
Collection<PsiElement> targets = new HashSet<>();
for (Map.Entry<PhpToolboxProviderInterface, Set<JsonRegistrar>> provider : providers.entrySet()) {
targets.addAll(provider.getKey().getPsiTargets(parameter));
}
return targets.toArray(new PsiElement[targets.size()]);
}
public static boolean treeWalkUp(@Nonnull final PsiScopeProcessor processor,
@Nonnull final PsiElement entrance,
@Nonnull final PsiElement sender,
@Nullable PsiElement maxScope,
@Nonnull final ResolveState state)
{
if(!entrance.isValid())
{
CSharpResolveUtil.LOG.error(new PsiInvalidElementAccessException(entrance));
}
PsiElement prevParent = entrance;
PsiElement scope = entrance;
if(maxScope == null)
{
maxScope = sender.getContainingFile();
}
while(scope != null)
{
ProgressIndicatorProvider.checkCanceled();
if(entrance != sender && scope instanceof PsiFile)
{
break;
}
if(!scope.processDeclarations(processor, state, prevParent, entrance))
{
return false; // resolved
}
if(entrance != sender)
{
break;
}
if(scope == maxScope)
{
break;
}
prevParent = scope;
scope = prevParent.getContext();
if(scope != null && scope != prevParent.getParent() && !scope.isValid())
{
break;
}
}
return true;
}
@RequiredReadAction
public static boolean walkUsing(@Nonnull final PsiScopeProcessor processor, @Nonnull final PsiElement entrance, @Nullable PsiElement maxScope, @Nonnull final ResolveState state)
{
if(!entrance.isValid())
{
LOG.error(new PsiInvalidElementAccessException(entrance));
}
DotNetNamespaceAsElement root = DotNetPsiSearcher.getInstance(entrance.getProject()).findNamespace("", entrance.getResolveScope());
// skip null - indexing
if(root == null)
{
return true;
}
if(!processor.execute(root, state))
{
return false;
}
// we cant go to use list
if(PsiTreeUtil.getParentOfType(entrance, CSharpUsingListChild.class) != null)
{
return true;
}
CSharpResolveSelector selector = state.get(SELECTOR);
if(selector instanceof MemberByNameSelector)
{
((MemberByNameSelector) selector).putUserData(BaseDotNetNamespaceAsElement.FILTER, DotNetNamespaceAsElement.ChildrenFilter.ONLY_ELEMENTS);
}
PsiElement prevParent = entrance;
PsiElement scope = entrance;
maxScope = validateMaxScope(entrance, maxScope);
while(scope != null)
{
ProgressManager.checkCanceled();
if(scope instanceof CSharpUsingListOwner)
{
CSharpUsingListChild[] usingStatements = ((CSharpUsingListOwner) scope).getUsingStatements();
for(CSharpUsingListChild usingStatement : usingStatements)
{
ProgressManager.checkCanceled();
if(!processor.execute(usingStatement, state))
{
return false;
}
}
}
if(scope == maxScope)
{
break;
}
prevParent = scope;
scope = prevParent.getContext();
if(scope != null && scope != prevParent.getParent() && !scope.isValid())
{
break;
}
}
return true;
}