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  3. com.intellij.psi.PsiPolyVariantReference

Java 类com.intellij.psi.PsiPolyVariantReference 实例源码

项目：hybris-integration-intellij-idea-plugin    文件：JspPropertyFoldingBuilder.java    
@Nullable
private static IProperty getResolvedProperty(@NotNull final XmlAttributeValue codeValue) {
    return CachedValuesManager.getCachedValue(codeValue, KEY, () -> {
        List<IProperty> allProperties = new SmartList<>();
        for (PsiReference nextRef : codeValue.getReferences()) {
            if (nextRef instanceof PsiPolyVariantReference) {
                Arrays.stream(((PsiPolyVariantReference) nextRef).multiResolve(false))
                      .filter(ResolveResult::isValidResult)
                      .map(ResolveResult::getElement)
                      .map(o -> ObjectUtils.tryCast(o, IProperty.class))
                      .filter(Objects::nonNull)
                      .forEach(allProperties::add);
            } else {
                Optional.ofNullable(nextRef.resolve())
                        .map(o -> ObjectUtils.tryCast(o, IProperty.class))
                        .ifPresent(allProperties::add);
            }
        }

        IProperty theChosenOne = chooseForLocale(allProperties);
        return new CachedValueProvider.Result<>(theChosenOne, PsiModificationTracker.MODIFICATION_COUNT);
    });
}
项目：manifold-ij    文件：MoveTypeManifoldFileProcessor.java    
@Nullable
@Override
public List<UsageInfo> findUsages( PsiFile psiFile, PsiDirectory newParent, boolean searchInComments, boolean searchInNonJavaFiles )
{
  Module mod = ModuleUtilCore.findModuleForPsiElement( psiFile );
  ManModule module = ManProject.getModule( mod );
  PsiClass psiClass = findPsiClass( psiFile );
  if( psiClass == null )
  {
    return Collections.emptyList();
  }

  Query<PsiReference> search = ReferencesSearch.search( psiClass, GlobalSearchScope.moduleWithDependenciesAndLibrariesScope( module.getIjModule() ) );
  List<UsageInfo> usages = new ArrayList<>();
  for( PsiReference ref: search.findAll() )
  {
    usages.add( new MoveRenameUsageInfo( ref.getElement(), ref, ref.getRangeInElement().getStartOffset(),
      ref.getRangeInElement().getEndOffset(), psiClass,
      ref.resolve() == null && !(ref instanceof PsiPolyVariantReference && ((PsiPolyVariantReference)ref).multiResolve( true ).length > 0) ) );
  }
  return usages;
}
项目：manifold-ij    文件：RenameResourceElementProcessor.java    
private static List<UsageInfo> findUsages( PsiElement element, PsiElement ctx )
  {
//    Module mod = ModuleUtilCore.findModuleForPsiElement( element );
//    if( mod == null )
//    {
//      return Collections.emptyList();
//    }

    Query<PsiReference> search = ReferencesSearch.search( element, GlobalSearchScope.moduleScope( ModuleUtilCore.findModuleForPsiElement( ctx ) ) );
    List<UsageInfo> usages = new ArrayList<>();
    for( PsiReference ref : search.findAll() )
    {
      MoveRenameUsageInfo usageInfo = new MoveRenameUsageInfo( ref.getElement(), ref, ref.getRangeInElement().getStartOffset(),
                                                               ref.getRangeInElement().getEndOffset(), element,
                                                               ref.resolve() == null && !(ref instanceof PsiPolyVariantReference && ((PsiPolyVariantReference)ref).multiResolve( true ).length > 0) );
      usages.add( usageInfo );
    }
    return usages;
  }
项目：intellij-ce-playground    文件：PyAddImportTest.java    
/**
 * Add local import statement
 *
 * @param name      reference name in corresponding import element
 * @param qualifier if not {@code null} form {@code from qualifier import name} will be used, otherwise {@code import name}
 */
private void doAddLocalImport(@NotNull final String name, @Nullable final String qualifier) {
  myFixture.configureByFile(getTestName(true) + ".py");
  WriteCommandAction.runWriteCommandAction(myFixture.getProject(), new Runnable() {
    @Override
    public void run() {
      final PsiPolyVariantReference reference = PyResolveTestCase.findReferenceByMarker(myFixture.getFile());
      if (qualifier != null) {
        AddImportHelper.addLocalFromImportStatement(reference.getElement(), qualifier, name);
      }
      else {
        AddImportHelper.addLocalImportStatement(reference.getElement(), name);
      }
    }
  });
  myFixture.checkResultByFile(getTestName(true) + ".after.py");
}
项目：intellij-ce-playground    文件：ReferenceAnnotator.java    
private void checkReferences(PsiReference[] references) {
  for (PsiReference reference : references) {
    if (!reference.isSoft()) {
      if (reference.resolve() == null) {
        if (reference instanceof PsiPolyVariantReference) {
          final PsiPolyVariantReference pvr = (PsiPolyVariantReference)reference;
          if (pvr.multiResolve(false).length == 0) {
            addError(reference);
          }
        } else {
          addError(reference);
        }
      }
    }
  }
}
项目：intellij-ce-playground    文件：RngHighlightingTest.java    
public void testResolveIncludedRef2() throws Throwable {
  myTestFixture.copyFileToProject("include.rng");

  final PsiReference ref = myTestFixture.getReferenceAtCaretPositionWithAssertion("resolve-include-ref-2.rng");
  assertTrue("PolyVariantRef", ref instanceof PsiPolyVariantReference);

  final PsiElement element = ref.resolve();
  assertNull(element);

  final ResolveResult[] results = ((PsiPolyVariantReference)ref).multiResolve(false);
  assertEquals(2, results.length);

  for (ResolveResult result : results) {
    PsiElement e = result.getElement();
    assertTrue(e instanceof XmlTag);

    final int contentLength = ((XmlTag)e).getSubTags().length;
    if (e.getContainingFile() == ref.getElement().getContainingFile()) {
      assertEquals(1, contentLength);
    } else {
      assertEquals(0, contentLength);
    }
  }
}
项目：intellij-ce-playground    文件：XsltResolveTest.java    
@Nullable
private static PsiElement resolveXsltReference(PsiReference reference) {
    final PsiElement element = reference.resolve();
    if (element != null) {
        return element;
    }
    if (reference instanceof PsiPolyVariantReference) {
        final ResolveResult[] results = ((PsiPolyVariantReference)reference).multiResolve(false);
        for (ResolveResult result : results) {
            if (result.isValidResult() && result.getElement() instanceof XsltElement) {
                return result.getElement();
            }
        }
    }
    return null;
}
项目：idea-php-laravel-plugin    文件：Symfony2InterfacesUtil.java    
/**
 * Single resolve doesnt work if we have non unique class names in project context,
 * so try a multiResolve and use first matched method
 */
@Nullable
public static Method getMultiResolvedMethod(PsiReference psiReference) {

    // class be unique in normal case, so try this first
    PsiElement resolvedReference = psiReference.resolve();
    if (resolvedReference instanceof Method) {
        return (Method) resolvedReference;
    }

    // try multiResolve if class exists twice in project
    if(psiReference instanceof PsiPolyVariantReference) {
        for(ResolveResult resolveResult : ((PsiPolyVariantReference) psiReference).multiResolve(false)) {
            PsiElement element = resolveResult.getElement();
            if(element instanceof Method) {
                return (Method) element;
            }
        }
    }

    return null;
}
项目：intellij-pants-plugin    文件：PantsTargetIndex.java    
public static List<PsiElement> resolveTargetByName(@Nls String name, @NotNull Project project, GlobalSearchScope scope) {
  final PsiManager psiManager = PsiManager.getInstance(project);
  final ArrayList<PsiElement> result = new ArrayList<>();
  final Collection<VirtualFile> containingFiles = FileBasedIndex.getInstance().getContainingFiles(NAME, name, scope);
  for (VirtualFile virtualFile : containingFiles) {
    final PsiFile psiFile = psiManager.findFile(virtualFile);
    if (psiFile instanceof PyFile) {
      final PyReferenceExpression referenceExpression = PantsPsiUtil.findTargetDefinitions((PyFile)psiFile).get(name);
      final PsiPolyVariantReference reference = referenceExpression != null ? referenceExpression.getReference() : null;
      final PsiElement definition = reference != null ? reference.resolve() : null;
      if (definition != null) {
        result.add(definition);
      } else if (referenceExpression != null) {
        // at least something
        result.add(referenceExpression);
      }
    }
  }
  return result;
}
项目：tools-idea    文件：ReferenceAnnotator.java    
private void checkReferences(PsiReference[] references) {
  for (PsiReference reference : references) {
    if (!reference.isSoft()) {
      if (reference.resolve() == null) {
        if (reference instanceof PsiPolyVariantReference) {
          final PsiPolyVariantReference pvr = (PsiPolyVariantReference)reference;
          if (pvr.multiResolve(false).length == 0) {
            addError(reference);
          }
        } else {
          addError(reference);
        }
      }
    }
  }
}
项目：tools-idea    文件：RngHighlightingTest.java    
public void testResolveIncludedRef2() throws Throwable {
  myTestFixture.copyFileToProject("include.rng");

  final PsiReference ref = myTestFixture.getReferenceAtCaretPositionWithAssertion("resolve-include-ref-2.rng");
  assertTrue("PolyVariantRef", ref instanceof PsiPolyVariantReference);

  final PsiElement element = ref.resolve();
  assertNull(element);

  final ResolveResult[] results = ((PsiPolyVariantReference)ref).multiResolve(false);
  assertEquals(2, results.length);

  for (ResolveResult result : results) {
    PsiElement e = result.getElement();
    assertTrue(e instanceof XmlTag);

    final int contentLength = ((XmlTag)e).getSubTags().length;
    if (e.getContainingFile() == ref.getElement().getContainingFile()) {
      assertEquals(1, contentLength);
    } else {
      assertEquals(0, contentLength);
    }
  }
}
项目：tools-idea    文件：XsltResolveTest.java    
@Nullable
private static PsiElement resolveXsltReference(PsiReference reference) {
    final PsiElement element = reference.resolve();
    if (element != null) {
        return element;
    }
    if (reference instanceof PsiPolyVariantReference) {
        final ResolveResult[] results = ((PsiPolyVariantReference)reference).multiResolve(false);
        for (ResolveResult result : results) {
            if (result.isValidResult() && result.getElement() instanceof XsltElement) {
                return result.getElement();
            }
        }
    }
    return null;
}
项目：idea-gitignore    文件：ResolvingTest.java    
private void doTest(@NotNull String beforeText, String... expectedResolve) {
    myFixture.configureByText(GitFileType.INSTANCE, beforeText);
    PsiPolyVariantReference reference = ((PsiPolyVariantReference) myFixture.getReferenceAtCaretPosition());
    assertNotNull(reference);

    final VirtualFile rootFile = myFixture.getFile().getContainingDirectory().getVirtualFile();
    ResolveResult[] resolveResults = reference.multiResolve(true);
    List<String> actualResolve = ContainerUtil.map(resolveResults, new Function<ResolveResult, String>() {
        @Override
        public String fun(ResolveResult resolveResult) {
            PsiElement resolveResultElement = resolveResult.getElement();
            assertNotNull(resolveResultElement);
            assertInstanceOf(resolveResultElement, PsiFileSystemItem.class);
            PsiFileSystemItem fileSystemItem = (PsiFileSystemItem) resolveResultElement;
            return VfsUtilCore.getRelativePath(fileSystemItem.getVirtualFile(), rootFile, '/');
        }
    });

    assertContainsElements(actualResolve, expectedResolve);
}
项目：consulo-xml    文件：ReferenceAnnotator.java    
private void checkReferences(PsiReference[] references) {
  for (PsiReference reference : references) {
    if (!reference.isSoft()) {
      if (reference.resolve() == null) {
        if (reference instanceof PsiPolyVariantReference) {
          final PsiPolyVariantReference pvr = (PsiPolyVariantReference)reference;
          if (pvr.multiResolve(false).length == 0) {
            addError(reference);
          }
        } else {
          addError(reference);
        }
      }
    }
  }
}
项目：consulo-xml    文件：RngHighlightingTest.java    
public void testResolveIncludedRef2() throws Throwable {
  myTestFixture.copyFileToProject("include.rng");

  final PsiReference ref = myTestFixture.getReferenceAtCaretPositionWithAssertion("resolve-include-ref-2.rng");
  assertTrue("PolyVariantRef", ref instanceof PsiPolyVariantReference);

  final PsiElement element = ref.resolve();
  assertNull(element);

  final ResolveResult[] results = ((PsiPolyVariantReference)ref).multiResolve(false);
  assertEquals(2, results.length);

  for (ResolveResult result : results) {
    PsiElement e = result.getElement();
    assertTrue(e instanceof XmlTag);

    final int contentLength = ((XmlTag)e).getSubTags().length;
    if (e.getContainingFile() == ref.getElement().getContainingFile()) {
      assertEquals(1, contentLength);
    } else {
      assertEquals(0, contentLength);
    }
  }
}
项目：manifold-ij    文件：RenameTypeManifoldFileProcessor.java    
private void storeTypeManifoldReferences( @NotNull PsiElement element )
{
  Module mod = ModuleUtilCore.findModuleForPsiElement( element );
  if( mod == null )
  {
    return;
  }

  ManModule module = ManProject.getModule( mod );

  PsiClass psiClass = findPsiClass( (PsiFileSystemItem)element, module );
  if( psiClass == null )
  {
    return;
  }

  Query<PsiReference> search = ReferencesSearch.search( psiClass, GlobalSearchScope.projectScope( mod.getProject() ) );
  List<UsageInfo> usages = new ArrayList<>();
  for( PsiReference ref: search.findAll() )
  {
    usages.add( new MoveRenameUsageInfo( ref.getElement(), ref, ref.getRangeInElement().getStartOffset(),
      ref.getRangeInElement().getEndOffset(), element,
      ref.resolve() == null && !(ref instanceof PsiPolyVariantReference && ((PsiPolyVariantReference)ref).multiResolve( true ).length > 0) ) );
  }
  _usages = usages;

  if( psiClass instanceof ManifoldPsiClass )
  {
    PsiElement fakeElement = ManGotoDeclarationHandler.find( psiClass, (ManifoldPsiClass)psiClass );
    if( fakeElement instanceof PsiNamedElement && isTopLevelClassDeclaration( fakeElement ) )
    {
      _classDeclElement = (PsiNamedElement)fakeElement;
    }
  }
}
项目：intellij-ce-playground    文件：PyTypingTypeProvider.java    
@NotNull
private static PsiElement tryResolving(@NotNull PyExpression expression, @NotNull TypeEvalContext context) {
  if (expression instanceof PyReferenceExpression) {
    final PyReferenceExpression referenceExpr = (PyReferenceExpression)expression;
    final PyResolveContext resolveContext = PyResolveContext.noImplicits().withTypeEvalContext(context);
    final PsiPolyVariantReference reference = referenceExpr.getReference(resolveContext);
    final PsiElement element = reference.resolve();
    if (element instanceof PyFunction) {
      final PyFunction function = (PyFunction)element;
      if (PyUtil.isInit(function)) {
        final PyClass cls = function.getContainingClass();
        if (cls != null) {
          return cls;
        }
      }
    }
    else if (element instanceof PyTargetExpression) {
      final PyTargetExpression targetExpr = (PyTargetExpression)element;
      // XXX: Requires switching from stub to AST
      final PyExpression assignedValue = targetExpr.findAssignedValue();
      if (assignedValue != null) {
        return assignedValue;
      }
    }
    if (element != null) {
      return element;
    }
  }
  return expression;
}
项目：intellij-ce-playground    文件：PythonRegexpInjector.java    
@Override
public void getLanguagesToInject(@NotNull MultiHostRegistrar registrar, @NotNull PsiElement context) {
  final PsiElement contextParent = context.getParent();
  if (PyInjectionUtil.getLargestStringLiteral(context) == context && contextParent instanceof PyArgumentList) {
    final PyExpression[] args = ((PyArgumentList)contextParent).getArguments();
    int index = ArrayUtil.indexOf(args, context);
    PyCallExpression call = PsiTreeUtil.getParentOfType(context, PyCallExpression.class);
    if (call != null) {
      final PyExpression callee = call.getCallee();
      if (callee instanceof PyReferenceExpression && canBeRegexpCall(callee)) {
        final PsiPolyVariantReference ref = ((PyReferenceExpression)callee).getReference(PyResolveContext.noImplicits());
        if (ref != null) {
          final PsiElement element = ref.resolve();
          if (element != null && ScopeUtil.getScopeOwner(element) instanceof PyFile &&
              element.getContainingFile().getName().equals("re.py") && isRegexpMethod(element, index)) {
            final Language language = isVerbose(call) ? PythonVerboseRegexpLanguage.INSTANCE : PythonRegexpLanguage.INSTANCE;
            registrar.startInjecting(language);
            final PyInjectionUtil.InjectionResult result = PyInjectionUtil.registerStringLiteralInjection(context, registrar);
            if (result.isInjected()) {
              registrar.doneInjecting();
              if (!result.isStrict()) {
                final PsiFile file = getInjectedFile(registrar);
                if (file != null) {
                  file.putUserData(InjectedLanguageUtil.FRANKENSTEIN_INJECTION, Boolean.TRUE);
                }
              }
            }
          }
        }
      }
    }
  }
}
项目：intellij-ce-playground    文件：PyDocReferenceExpression.java    
@NotNull
@Override
public PsiPolyVariantReference getReference(PyResolveContext context) {
  if (isQualified()) {
    return new PyQualifiedReference(this, context);
  }
  final PsiElement importParent = PsiTreeUtil.getParentOfType(this, PyImportElement.class, PyFromImportStatement.class);
  if (importParent != null) {
    return PyImportReference.forElement(this, importParent, context);
  }
  return new PyDocReference(this, context);
}
项目：intellij-ce-playground    文件：PyDictCreationInspection.java    
private static boolean referencesTarget(@NotNull final PyExpression expression, @NotNull final PsiElement target) {
  final List<PsiElement> refs = new ArrayList<PsiElement>();
  expression.accept(new PyRecursiveElementVisitor() {
    @Override
    public void visitPyReferenceExpression(PyReferenceExpression node) {
      super.visitPyReferenceExpression(node);
      final PsiPolyVariantReference ref = node.getReference();
      if (ref.isReferenceTo(target)) {
        refs.add(node);
      }
    }
  });
  return !refs.isEmpty();
}
项目：intellij-ce-playground    文件：PyDeprecationInspection.java    
@Override
public void visitPyReferenceExpression(PyReferenceExpression node) {
  final PyExceptPart exceptPart = PsiTreeUtil.getParentOfType(node, PyExceptPart.class);
  if (exceptPart != null) {
    final PyExpression exceptClass = exceptPart.getExceptClass();
    if (exceptClass != null && "ImportError".equals(exceptClass.getText())) return;
  }
  final PsiPolyVariantReference reference = node.getReference(getResolveContext());
  if (reference == null) return;
  final PsiElement resolveResult = reference.resolve();
  final PyFromImportStatement importStatement = PsiTreeUtil.getParentOfType(node, PyFromImportStatement.class);
  if (importStatement != null) {
    final PsiElement element = importStatement.resolveImportSource();
    if (resolveResult != null && element != resolveResult.getContainingFile()) return;
  }
  String deprecationMessage = null;
  if (resolveResult instanceof PyFunction) {
    deprecationMessage = ((PyFunction) resolveResult).getDeprecationMessage();
  }
  else if (resolveResult instanceof PyFile) {
    deprecationMessage = ((PyFile)resolveResult).getDeprecationMessage();
  }
  if (deprecationMessage != null) {
    ASTNode nameElement = node.getNameElement();
    registerProblem(nameElement == null ? node : nameElement.getPsi(), deprecationMessage, ProblemHighlightType.LIKE_DEPRECATED);
  }
}
项目：intellij-ce-playground    文件：PyExceptionInheritInspection.java    
@Override
public void visitPyRaiseStatement(PyRaiseStatement node) {
  PyExpression[] expressions = node.getExpressions();
  if (expressions.length == 0) {
    return;
  }
  PyExpression expression = expressions[0];
  if (expression instanceof PyCallExpression) {
    PyExpression callee = ((PyCallExpression)expression).getCallee();
    if (callee instanceof PyReferenceExpression) {
      final PsiPolyVariantReference reference = ((PyReferenceExpression)callee).getReference(getResolveContext());
      if (reference == null) return;
      PsiElement psiElement = reference.resolve();
      if (psiElement instanceof PyClass) {
        PyClass aClass = (PyClass) psiElement;
        for (PyClassLikeType type : aClass.getAncestorTypes(myTypeEvalContext)) {
          if (type == null) {
            return;
          }
          final String name = type.getName();
          if (name == null || "BaseException".equals(name) || "Exception".equals(name)) {
            return;
          }
        }
        registerProblem(expression, "Exception doesn't inherit from base \'Exception\' class", new PyAddExceptionSuperClassQuickFix());
      }
    }
  }
}
项目：intellij-ce-playground    文件：PyTargetExpressionImpl.java    
@NotNull
@Override
public PsiPolyVariantReference getReference(final PyResolveContext resolveContext) {
  if (isQualified()) {
    return new PyQualifiedReference(this, resolveContext);
  }
  return new PyTargetReference(this, resolveContext);
}
项目：intellij-ce-playground    文件：PySubscriptionExpressionImpl.java    
@Nullable
@Override
public PyType getType(@NotNull TypeEvalContext context, @NotNull TypeEvalContext.Key key) {
  final PsiPolyVariantReference reference = getReference(PyResolveContext.noImplicits().withTypeEvalContext(context));
  final List<PyType> members = new ArrayList<PyType>();
  for (PsiElement resolved : PyUtil.multiResolveTopPriority(reference)) {
    PyType res = null;
    if (resolved instanceof PyCallable) {
      res = ((PyCallable)resolved).getCallType(context, this);
    }
    if (PyTypeChecker.isUnknown(res) || res instanceof PyNoneType) {
      final PyExpression indexExpression = getIndexExpression();
      if (indexExpression != null) {
        final PyType type = context.getType(getOperand());
        final PyClass cls = (type instanceof PyClassType) ? ((PyClassType)type).getPyClass() : null;
        if (cls != null && PyABCUtil.isSubclass(cls, PyNames.MAPPING)) {
          return res;
        }
        if (type instanceof PySubscriptableType) {
          res = ((PySubscriptableType)type).getElementType(indexExpression, context);
        }
        else if (type instanceof PyCollectionType) {
          // TODO: Select the parameter type that matches T in Iterable[T]
          final List<PyType> elementTypes = ((PyCollectionType)type).getElementTypes(context);
          res = elementTypes.isEmpty() ? null : elementTypes.get(0);
        }
      }
    }
    members.add(res);
  }
  return PyUnionType.union(members);
}
项目：intellij-ce-playground    文件：RenamePyFileProcessor.java    
private static boolean isNotAliasedInImportElement(@NotNull PsiReference reference) {
  if (reference instanceof PsiPolyVariantReference) {
    final ResolveResult[] results = ((PsiPolyVariantReference)reference).multiResolve(false);
    for (ResolveResult result : results) {
      final PsiElement resolved = result.getElement();
      if (resolved instanceof PyImportElement && ((PyImportElement)resolved).getAsName() != null) {
        return false;
      }
    }
  }
  return true;
}
项目：intellij-ce-playground    文件：DependencyVisitor.java    
@Override
public void visitPyReferenceExpression(final PyReferenceExpression node) {

  final PsiPolyVariantReference reference = node.getReference();
  if (reference.isReferenceTo(myElementToFind)) {
    myDependencyFound = true;
    return;
  }
  // TODO: This step is member-type specific. Move to MemberManagers?
  if (myElementToFind instanceof PyAssignmentStatement) {
    final PyExpression[] targets = ((PyAssignmentStatement)myElementToFind).getTargets();

    if (targets.length != 1) {
      return;
    }
    final PyExpression expression = targets[0];

    if (reference.isReferenceTo(expression)) {
      myDependencyFound = true;
      return;
    }
    if (node.getText().equals(expression.getText())) { // Check by name also
      myDependencyFound = true;
    }
    return;
  }
  final PsiElement declaration = reference.resolve();
  myDependencyFound = PsiTreeUtil.findFirstParent(declaration, new PsiElementCondition()) != null;
}
项目：intellij-ce-playground    文件：IpnbPyReferenceExpression.java    
@NotNull
@Override
public PsiPolyVariantReference getReference(PyResolveContext context) {
  if (isQualified()) {
    return new PyQualifiedReference(this, context);
  }
  final PsiElement importParent = PsiTreeUtil.getParentOfType(this, PyImportElement.class, PyFromImportStatement.class);
  if (importParent != null) {
    return PyImportReference.forElement(this, importParent, context);
  }
  return new IpnbPyReference(this, context);
}
项目：intellij-ce-playground    文件：AntResolveInspection.java    
private static boolean isResolvable(PsiReference ref) {
  if (ref.resolve() != null) {
    return true;
  }
  if (ref instanceof PsiPolyVariantReference) {
    return ((PsiPolyVariantReference)ref).multiResolve(false).length > 0;
  }
  return false;
}
项目：intellij-ce-playground    文件：InferenceContext.java    
@Override
public <T extends PsiPolyVariantReference> GroovyResolveResult[] multiResolve(@NotNull T ref,
                                                                              boolean incomplete,
                                                                              ResolveCache.PolyVariantResolver<T> resolver) {
  ResolveResult[] results = ResolveCache.getInstance(ref.getElement().getProject()).resolveWithCaching(ref, resolver, true, incomplete);
  return results.length == 0 ? GroovyResolveResult.EMPTY_ARRAY : (GroovyResolveResult[])results;
}
项目：intellij-ce-playground    文件：InferenceContext.java    
@NotNull
@Override
public <T extends PsiPolyVariantReference> GroovyResolveResult[] multiResolve(@NotNull final T ref,
                                                                              final boolean incomplete,
                                                                              @NotNull final ResolveCache.PolyVariantResolver<T> resolver) {
  return _getCachedValue(ref.getElement(), new Computable<GroovyResolveResult[]>() {
    @Override
    public GroovyResolveResult[] compute() {
      return (GroovyResolveResult[])resolver.resolve(ref, incomplete);
    }
  }, Pair.create(incomplete, resolver.getClass()));
}
项目：idea-php-toolbox    文件：Symfony2InterfacesUtil.java    
/**
 * Single resolve doesnt work if we have non unique class names in project context,
 * so try a multiResolve
 */
@Nullable
public static Method[] getMultiResolvedMethod(PsiReference psiReference) {

    // class be unique in normal case, so try this first
    PsiElement resolvedReference = psiReference.resolve();
    if (resolvedReference instanceof Method) {
        return new Method[] { (Method) resolvedReference };
    }

    // try multiResolve if class exists twice in project
    if(psiReference instanceof PsiPolyVariantReference) {
        Collection<Method> methods = new HashSet<>();
        for(ResolveResult resolveResult : ((PsiPolyVariantReference) psiReference).multiResolve(false)) {
            PsiElement element = resolveResult.getElement();
            if(element instanceof Method) {
                methods.add((Method) element);
            }
        }

        if(methods.size() > 0) {
            return methods.toArray(new Method[methods.size()]);
        }

    }

    return null;
}
项目：idea-php-toolbox    文件：Symfony2InterfacesUtil.java    
/**
 * Single resolve doesnt work if we have non unique class names in project context,
 * so try a multiResolve
 */
@Nullable
public static Method[] getMultiResolvedMethod(PsiReference psiReference) {

    // class be unique in normal case, so try this first
    PsiElement resolvedReference = psiReference.resolve();
    if (resolvedReference instanceof Method) {
        return new Method[] { (Method) resolvedReference };
    }

    // try multiResolve if class exists twice in project
    if(psiReference instanceof PsiPolyVariantReference) {
        Collection<Method> methods = new HashSet<>();
        for(ResolveResult resolveResult : ((PsiPolyVariantReference) psiReference).multiResolve(false)) {
            PsiElement element = resolveResult.getElement();
            if(element instanceof Method) {
                methods.add((Method) element);
            }
        }

        if(methods.size() > 0) {
            return methods.toArray(new Method[methods.size()]);
        }

    }

    return null;
}
项目：tools-idea    文件：AntResolveInspection.java    
private static boolean isResolvable(PsiReference ref) {
  if (ref.resolve() != null) {
    return true;
  }
  if (ref instanceof PsiPolyVariantReference) {
    return ((PsiPolyVariantReference)ref).multiResolve(false).length > 0;
  }
  return false;
}
项目：tools-idea    文件：InferenceContext.java    
@Override
public <T extends PsiPolyVariantReference> GroovyResolveResult[] multiResolve(@NotNull T ref,
                                                                              boolean incomplete,
                                                                              ResolveCache.PolyVariantResolver<T> resolver) {
  ResolveResult[] results = ResolveCache.getInstance(ref.getElement().getProject()).resolveWithCaching(ref, resolver, true, incomplete);
  return results.length == 0 ? GroovyResolveResult.EMPTY_ARRAY : (GroovyResolveResult[])results;
}
项目：tools-idea    文件：InferenceContext.java    
@NotNull
@Override
public <T extends PsiPolyVariantReference> GroovyResolveResult[] multiResolve(@NotNull final T ref,
                                                                              final boolean incomplete,
                                                                              @NotNull final ResolveCache.PolyVariantResolver<T> resolver) {
  return _getCachedValue(ref.getElement(), new Computable<GroovyResolveResult[]>() {
    @Override
    public GroovyResolveResult[] compute() {
      return (GroovyResolveResult[])resolver.resolve(ref, incomplete);
    }
  }, Pair.create(incomplete, resolver.getClass()));
}
项目：consulo-csharp    文件：CSharpReferenceExpressionImplUtil.java    
@RequiredReadAction
public static boolean isReferenceTo(PsiPolyVariantReference referenceExpression, PsiElement element)
{
    final ResolveResult firstValidResult = CSharpResolveUtil.findValidOrFirstMaybeResult(referenceExpression.multiResolve(false));
    if(firstValidResult == null)
    {
        return false;
    }
    return isReferenceTo(firstValidResult, element);
}
项目：consulo-apache-ant    文件：AntResolveInspection.java    
private static boolean isResolvable(PsiReference ref) {
  if (ref.resolve() != null) {
    return true;
  }
  if (ref instanceof PsiPolyVariantReference) {
    return ((PsiPolyVariantReference)ref).multiResolve(false).length > 0;
  }
  return false;
}
项目：consulo-xslt    文件：ResolveUtil.java    
@Nullable
public static PsiFile resolveFile(XmlAttribute location, PsiFile baseFile) {
    if (location == null) return null;
    final XmlAttributeValue valueElement = location.getValueElement();
    if (valueElement == null) return null;

    // prefer direct relative path
    final String value = valueElement.getValue();
    final PsiFile file = resolveFile(value, baseFile);
    if (file != baseFile && file instanceof XmlFile) {
        return file;
    }

    final PsiReference[] references = valueElement.getReferences();
    for (PsiReference reference : references) {
        final PsiElement target = reference.resolve();
        if (target == null && reference instanceof PsiPolyVariantReference) {
            final ResolveResult[] results = ((PsiPolyVariantReference)reference).multiResolve(false);
            for (ResolveResult result : results) {
                if (result.isValidResult()) {
                    // TODO: how to weigh/prioritize the results?
                    final PsiElement element = result.getElement();
                    if (element != baseFile && element instanceof XmlFile) {
                        return (PsiFile)target;
                    }
                }
            }
        } else if (target != baseFile && target instanceof XmlFile) {
            return (PsiFile)target;
        }
    }
    return null;
}
项目：consulo-xml    文件：XmlHighlightVisitor.java    
public static boolean hasBadResolve(final PsiReference reference, boolean checkSoft)
{
    if(!checkSoft && reference.isSoft())
    {
        return false;
    }
    if(reference instanceof PsiPolyVariantReference)
    {
        return ((PsiPolyVariantReference) reference).multiResolve(false).length == 0;
    }
    return reference.resolve() == null;
}
项目：consulo-xml    文件：XmlBaseReferenceProvider.java    
private Collection<PsiFileSystemItem> getContext(PsiElement element, PsiFile file)
{
    XmlTag tag = PsiTreeUtil.getParentOfType(element, XmlTag.class);
    if(!myAcceptSelf && tag != null)
    {
        tag = tag.getParentTag();
    }
    while(tag != null)
    {
        XmlAttribute base = tag.getAttribute("base", XmlUtil.XML_NAMESPACE_URI);
        if(base != null)
        {
            XmlAttributeValue value = base.getValueElement();
            if(value != null)
            {
                PsiReference reference = value.getReference();
                if(reference instanceof PsiPolyVariantReference)
                {
                    ResolveResult[] results = ((PsiPolyVariantReference) reference).multiResolve(false);
                    return ContainerUtil.map(results, result -> (PsiFileSystemItem) result.getElement());
                }
            }
        }
        tag = tag.getParentTag();
    }
    PsiDirectory directory = file.getContainingDirectory();
    return directory == null ? Collections.<PsiFileSystemItem>emptyList() : Collections.<PsiFileSystemItem>singletonList(directory);
}