org.jetbrains.plugins.groovy.codeInspection.untypedUnresolvedAccess.GrUnresolvedAccessChecker Maven / Gradle / Ivy
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A packaging of the IntelliJ Community Edition groovy-psi library.
This is release number 1 of trunk branch 142.
The newest version!
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.plugins.groovy.codeInspection.untypedUnresolvedAccess;
import com.intellij.codeHighlighting.HighlightDisplayLevel;
import com.intellij.codeInsight.daemon.HighlightDisplayKey;
import com.intellij.codeInsight.daemon.impl.HighlightInfo;
import com.intellij.codeInsight.daemon.impl.HighlightInfoType;
import com.intellij.codeInsight.daemon.impl.quickfix.QuickFixAction;
import com.intellij.codeInsight.intention.EmptyIntentionAction;
import com.intellij.codeInsight.intention.QuickFixFactory;
import com.intellij.codeInsight.quickfix.UnresolvedReferenceQuickFixProvider;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.pom.PomDeclarationSearcher;
import com.intellij.pom.PomTarget;
import com.intellij.psi.*;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.CollectConsumer;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.GroovyBundle;
import org.jetbrains.plugins.groovy.annotator.GrHighlightUtil;
import org.jetbrains.plugins.groovy.annotator.intentions.QuickfixUtil;
import org.jetbrains.plugins.groovy.codeInspection.GrInspectionUtil;
import org.jetbrains.plugins.groovy.codeInspection.GroovyQuickFixFactory;
import org.jetbrains.plugins.groovy.extensions.GroovyUnresolvedHighlightFilter;
import org.jetbrains.plugins.groovy.findUsages.MissingMethodAndPropertyUtil;
import org.jetbrains.plugins.groovy.lang.GrCreateClassKind;
import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GroovyDocPsiElement;
import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes;
import org.jetbrains.plugins.groovy.lang.psi.GrReferenceElement;
import org.jetbrains.plugins.groovy.lang.psi.GroovyFileBase;
import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement;
import org.jetbrains.plugins.groovy.lang.psi.api.GroovyResolveResult;
import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.modifiers.annotation.GrAnnotation;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrArgumentList;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.*;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrExtendsClause;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrImplementsClause;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrInterfaceDefinition;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod;
import org.jetbrains.plugins.groovy.lang.psi.api.toplevel.imports.GrImportStatement;
import org.jetbrains.plugins.groovy.lang.psi.api.toplevel.packaging.GrPackageDefinition;
import org.jetbrains.plugins.groovy.lang.psi.api.types.GrCodeReferenceElement;
import org.jetbrains.plugins.groovy.lang.psi.api.util.GrVariableDeclarationOwner;
import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyPsiManager;
import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil;
import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil;
import org.jetbrains.plugins.groovy.lang.psi.impl.synthetic.GroovyScriptClass;
import org.jetbrains.plugins.groovy.lang.psi.util.GrStaticChecker;
import org.jetbrains.plugins.groovy.lang.psi.util.GroovyCommonClassNames;
import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil;
import org.jetbrains.plugins.groovy.lang.resolve.ResolveUtil;
import org.jetbrains.plugins.groovy.lang.resolve.processors.ClassHint;
import org.jetbrains.plugins.groovy.lang.resolve.processors.GrScopeProcessorWithHints;
import org.jetbrains.plugins.groovy.util.LightCacheKey;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Created by Max Medvedev on 21/03/14
*/
public class GrUnresolvedAccessChecker {
public static final Logger LOG = Logger.getInstance(GrUnresolvedAccessChecker.class);
private static final LightCacheKey> GROOVY_OBJECT_METHODS_CACHE = new LightCacheKey>() {
@Override
protected long getModificationCount(PsiElement holder) {
return holder.getManager().getModificationTracker().getModificationCount();
}
};
private final HighlightDisplayKey myDisplayKey;
private final boolean myInspectionEnabled;
private final GrUnresolvedAccessInspection myInspection;
public GrUnresolvedAccessChecker(@NotNull GroovyFileBase file, @NotNull Project project) {
myInspectionEnabled = GrUnresolvedAccessInspection.isInspectionEnabled(file, project);
myInspection = myInspectionEnabled ? GrUnresolvedAccessInspection.getInstance(file, project) : null;
myDisplayKey = GrUnresolvedAccessInspection.findDisplayKey();
}
@Nullable
public HighlightInfo checkCodeReferenceElement(GrCodeReferenceElement refElement) {
HighlightInfo info = checkCodeRefInner(refElement);
addEmptyIntentionIfNeeded(info);
return info;
}
@Nullable
public List checkReferenceExpression(GrReferenceExpression ref) {
List info = checkRefInner(ref);
addEmptyIntentionIfNeeded(ContainerUtil.getFirstItem(info));
return info;
}
@Nullable
private HighlightInfo checkCodeRefInner(GrCodeReferenceElement refElement) {
if (PsiTreeUtil.getParentOfType(refElement, GroovyDocPsiElement.class) != null) return null;
PsiElement nameElement = refElement.getReferenceNameElement();
if (nameElement == null) return null;
if (isResolvedStaticImport(refElement)) return null;
GroovyResolveResult resolveResult = refElement.advancedResolve();
final PsiElement resolved = resolveResult.getElement();
if (!(refElement.getParent() instanceof GrPackageDefinition) && resolved == null) {
String message = GroovyBundle.message("cannot.resolve", refElement.getReferenceName());
HighlightInfo info = HighlightInfo.newHighlightInfo(HighlightInfoType.WRONG_REF).range(nameElement).descriptionAndTooltip(message).create();
// todo implement for nested classes
registerCreateClassByTypeFix(refElement, info, myDisplayKey);
registerAddImportFixes(refElement, info, myDisplayKey);
UnresolvedReferenceQuickFixProvider
.registerReferenceFixes(refElement, new QuickFixActionRegistrarAdapter(info, myDisplayKey));
QuickFixFactory.getInstance().registerOrderEntryFixes(new QuickFixActionRegistrarAdapter(info, myDisplayKey), refElement);
return info;
}
if (refElement.getParent() instanceof GrNewExpression) {
boolean inStaticContext = GrStaticChecker.isInStaticContext(refElement);
if (!inStaticContext && GrUnresolvedAccessInspection.isSuppressed(refElement)) return null;
if (!inStaticContext) {
if (!myInspectionEnabled) return null;
assert myInspection != null;
if (!myInspection.myHighlightInnerClasses) return null;
}
GrNewExpression newExpression = (GrNewExpression)refElement.getParent();
if (resolved instanceof PsiClass) {
PsiClass clazz = (PsiClass)resolved;
if (newExpression.getQualifier() == null) {
final PsiClass outerClass = clazz.getContainingClass();
if (com.intellij.psi.util.PsiUtil.isInnerClass(clazz) &&
outerClass != null &&
newExpression.getArgumentList() != null &&
!PsiUtil.hasEnclosingInstanceInScope(outerClass, newExpression, true) &&
!hasEnclosingInstanceInArgList(newExpression.getArgumentList(), outerClass)) {
String qname = clazz.getQualifiedName();
LOG.assertTrue(qname != null, clazz.getText());
return createAnnotationForRef(refElement, inStaticContext, GroovyBundle.message("cannot.reference.non.static", qname));
}
}
}
}
return null;
}
private static boolean hasEnclosingInstanceInArgList(@NotNull GrArgumentList list, @NotNull PsiClass enclosingClass) {
if (PsiImplUtil.hasNamedArguments(list)) return false;
GrExpression[] args = list.getExpressionArguments();
if (args.length == 0) return false;
PsiType type = args[0].getType();
PsiClassType enclosingClassType = JavaPsiFacade.getElementFactory(list.getProject()).createType(enclosingClass);
return TypesUtil.isAssignableByMethodCallConversion(enclosingClassType, type, list);
}
@Nullable
private List checkRefInner(GrReferenceExpression ref) {
PsiElement refNameElement = ref.getReferenceNameElement();
if (refNameElement == null) return null;
boolean inStaticContext = PsiUtil.isCompileStatic(ref) || GrStaticChecker.isPropertyAccessInStaticMethod(ref);
GroovyResolveResult resolveResult = getBestResolveResult(ref);
if (resolveResult.getElement() != null) {
if (!GrUnresolvedAccessInspection.isInspectionEnabled(ref.getContainingFile(), ref.getProject())) return null;
if (!isStaticOk(resolveResult)) {
String message = GroovyBundle.message("cannot.reference.non.static", ref.getReferenceName());
return Collections.singletonList(createAnnotationForRef(ref, inStaticContext, message));
}
return null;
}
if (ResolveUtil.isKeyOfMap(ref) || ResolveUtil.isClassReference(ref)) {
return null;
}
if (!inStaticContext) {
if (!GrUnresolvedAccessInspection.isInspectionEnabled(ref.getContainingFile(), ref.getProject())) return null;
assert myInspection != null;
if (!myInspection.myHighlightIfGroovyObjectOverridden && areGroovyObjectMethodsOverridden(ref)) return null;
if (!myInspection.myHighlightIfMissingMethodsDeclared && areMissingMethodsDeclared(ref)) return null;
if (GrUnresolvedAccessInspection.isSuppressed(ref)) return null;
}
if (inStaticContext || shouldHighlightAsUnresolved(ref)) {
HighlightInfo info = createAnnotationForRef(ref, inStaticContext, GroovyBundle.message("cannot.resolve", ref.getReferenceName()));
if (info == null) return null;
ArrayList result = ContainerUtil.newArrayList();
result.add(info);
if (ref.getParent() instanceof GrMethodCall) {
ContainerUtil.addIfNotNull(result, registerStaticImportFix(ref, myDisplayKey));
}
else {
registerCreateClassByTypeFix(ref, info, myDisplayKey);
registerAddImportFixes(ref, info, myDisplayKey);
}
registerReferenceFixes(ref, info, inStaticContext, myDisplayKey);
UnresolvedReferenceQuickFixProvider.registerReferenceFixes(ref, new QuickFixActionRegistrarAdapter(info, myDisplayKey));
QuickFixFactory.getInstance().registerOrderEntryFixes(new QuickFixActionRegistrarAdapter(info, myDisplayKey), ref);
return result;
}
return null;
}
private static boolean areMissingMethodsDeclared(GrReferenceExpression ref) {
PsiType qualifierType = PsiImplUtil.getQualifierType(ref);
if (!(qualifierType instanceof PsiClassType)) return false;
PsiClass resolved = ((PsiClassType)qualifierType).resolve();
if (resolved == null) return false;
if (ref.getParent() instanceof GrCall) {
PsiMethod[] found = resolved.findMethodsByName("methodMissing", true);
for (PsiMethod method : found) {
if (MissingMethodAndPropertyUtil.isMethodMissing(method)) return true;
}
}
else {
PsiMethod[] found = resolved.findMethodsByName("propertyMissing", true);
for (PsiMethod method : found) {
if (MissingMethodAndPropertyUtil.isPropertyMissing(method)) return true;
}
}
return false;
}
private static boolean areGroovyObjectMethodsOverridden(GrReferenceExpression ref) {
PsiMethod patternMethod = findPatternMethod(ref);
if (patternMethod == null) return false;
GrExpression qualifier = ref.getQualifier();
if (qualifier != null) {
return checkGroovyObjectMethodsByQualifier(ref, patternMethod);
}
else {
return checkMethodInPlace(ref, patternMethod);
}
}
private static boolean checkMethodInPlace(GrReferenceExpression ref, PsiMethod patternMethod) {
PsiElement container = PsiTreeUtil.getParentOfType(ref, GrClosableBlock.class, PsiMember.class, PsiFile.class);
assert container != null;
return checkContainer(patternMethod, container);
}
private static boolean checkContainer(@NotNull final PsiMethod patternMethod, @NotNull PsiElement container) {
final String name = patternMethod.getName();
Map cached = GROOVY_OBJECT_METHODS_CACHE.getCachedValue(container);
if (cached == null) {
GROOVY_OBJECT_METHODS_CACHE.putCachedValue(container, cached = ContainerUtil.newConcurrentMap());
}
Boolean cachedResult = cached.get(name);
if (cachedResult != null) {
return cachedResult.booleanValue();
}
boolean result = doCheckContainer(patternMethod, container, name);
cached.put(name, result);
return result;
}
private static boolean doCheckContainer(final PsiMethod patternMethod, PsiElement container, final String name) {
final Ref result = new Ref(false);
PsiScopeProcessor processor = new GrScopeProcessorWithHints(name, ClassHint.RESOLVE_KINDS_METHOD) {
@Override
public boolean execute(@NotNull PsiElement element, @NotNull ResolveState state) {
if (element instanceof PsiMethod &&
name.equals(((PsiMethod)element).getName()) &&
patternMethod.getParameterList().getParametersCount() == ((PsiMethod)element).getParameterList().getParametersCount() &&
isNotFromGroovyObject((PsiMethod)element)) {
result.set(true);
return false;
}
return true;
}
};
ResolveUtil.treeWalkUp(container, processor, true);
return result.get();
}
private static boolean checkGroovyObjectMethodsByQualifier(GrReferenceExpression ref, PsiMethod patternMethod) {
PsiType qualifierType = PsiImplUtil.getQualifierType(ref);
if (!(qualifierType instanceof PsiClassType)) return false;
PsiClass resolved = ((PsiClassType)qualifierType).resolve();
if (resolved == null) return false;
PsiMethod found = resolved.findMethodBySignature(patternMethod, true);
if (found == null) return false;
return isNotFromGroovyObject(found);
}
private static boolean isNotFromGroovyObject(@NotNull PsiMethod found) {
PsiClass aClass = found.getContainingClass();
if (aClass == null) return false;
String qname = aClass.getQualifiedName();
if (GroovyCommonClassNames.GROOVY_OBJECT.equals(qname)) return false;
if (GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT.equals(qname)) return false;
return true;
}
@Nullable
private static PsiMethod findPatternMethod(@NotNull GrReferenceExpression ref) {
PsiClass groovyObject = GroovyPsiManager.getInstance(ref.getProject()).findClassWithCache(GroovyCommonClassNames.GROOVY_OBJECT,
ref.getResolveScope());
if (groovyObject == null) return null;
String methodName = ref.getParent() instanceof GrCall ? "invokeMethod"
: PsiUtil.isLValue(ref) ? "setProperty"
: "getProperty";
PsiMethod[] patternMethods = groovyObject.findMethodsByName(methodName, false);
if (patternMethods.length != 1) return null;
return patternMethods[0];
}
private void addEmptyIntentionIfNeeded(@Nullable HighlightInfo info) {
if (info != null) {
int s1 = info.quickFixActionMarkers != null ? info.quickFixActionMarkers.size() : 0;
int s2 = info.quickFixActionRanges != null ? info.quickFixActionRanges.size() : 0;
if (s1 + s2 == 0) {
EmptyIntentionAction emptyIntentionAction = new EmptyIntentionAction(GrUnresolvedAccessInspection.getDisplayText());
QuickFixAction.registerQuickFixAction(info, emptyIntentionAction, myDisplayKey);
}
}
}
private static boolean isResolvedStaticImport(GrCodeReferenceElement refElement) {
final PsiElement parent = refElement.getParent();
return parent instanceof GrImportStatement &&
((GrImportStatement)parent).isStatic() &&
refElement.multiResolve(false).length > 0;
}
private static boolean isStaticOk(GroovyResolveResult resolveResult) {
if (resolveResult.isStaticsOK()) return true;
PsiElement resolved = resolveResult.getElement();
LOG.assertTrue(resolved != null);
LOG.assertTrue(resolved instanceof PsiModifierListOwner, resolved + " : " + resolved.getText());
return ((PsiModifierListOwner)resolved).hasModifierProperty(PsiModifier.STATIC);
}
@NotNull
private static GroovyResolveResult getBestResolveResult(GrReferenceExpression ref) {
GroovyResolveResult[] results = ref.multiResolve(false);
if (results.length == 0) return GroovyResolveResult.EMPTY_RESULT;
if (results.length == 1) return results[0];
for (GroovyResolveResult result : results) {
if (result.isAccessible() && result.isStaticsOK()) return result;
}
for (GroovyResolveResult result : results) {
if (result.isStaticsOK()) return result;
}
return results[0];
}
@Nullable
private static HighlightInfo createAnnotationForRef(@NotNull GrReferenceElement ref,
boolean strongError,
@NotNull String message) {
HighlightDisplayLevel displayLevel = strongError ? HighlightDisplayLevel.ERROR : GrUnresolvedAccessInspection.getHighlightDisplayLevel(ref.getProject(), ref);
return GrInspectionUtil.createAnnotationForRef(ref, displayLevel, message);
}
@Nullable
private static HighlightInfo registerStaticImportFix(@NotNull GrReferenceExpression referenceExpression,
@Nullable final HighlightDisplayKey key) {
final String referenceName = referenceExpression.getReferenceName();
if (StringUtil.isEmpty(referenceName)) return null;
if (referenceExpression.getQualifier() != null) return null;
HighlightInfo info = HighlightInfo.newHighlightInfo(HighlightInfoType.INFORMATION).range(
referenceExpression.getParent()).createUnconditionally();
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createGroovyStaticImportMethodFix((GrMethodCall)referenceExpression.getParent()), key);
return info;
}
private static void registerReferenceFixes(GrReferenceExpression refExpr,
HighlightInfo info,
boolean compileStatic,
final HighlightDisplayKey key) {
PsiClass targetClass = QuickfixUtil.findTargetClass(refExpr, compileStatic);
if (targetClass == null) return;
if (!compileStatic) {
addDynamicAnnotation(info, refExpr, key);
}
if (!(targetClass instanceof SyntheticElement) || (targetClass instanceof GroovyScriptClass)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createCreateFieldFromUsageFix(refExpr), key);
if (PsiUtil.isAccessedForReading(refExpr)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createCreateGetterFromUsageFix(refExpr, targetClass), key);
}
if (PsiUtil.isLValue(refExpr)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createCreateSetterFromUsageFix(refExpr), key);
}
if (refExpr.getParent() instanceof GrCall && refExpr.getParent() instanceof GrExpression) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createCreateMethodFromUsageFix(refExpr), key);
}
}
if (!refExpr.isQualified()) {
GrVariableDeclarationOwner owner = PsiTreeUtil.getParentOfType(refExpr, GrVariableDeclarationOwner.class);
if (!(owner instanceof GroovyFileBase) || ((GroovyFileBase)owner).isScript()) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createCreateLocalVariableFromUsageFix(refExpr, owner), key);
}
if (PsiTreeUtil.getParentOfType(refExpr, GrMethod.class) != null) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createCreateParameterFromUsageFix(refExpr), key);
}
}
}
private static void addDynamicAnnotation(HighlightInfo info, GrReferenceExpression referenceExpression, HighlightDisplayKey key) {
final PsiFile containingFile = referenceExpression.getContainingFile();
if (containingFile != null) {
VirtualFile file = containingFile.getVirtualFile();
if (file == null) return;
}
else {
return;
}
if (PsiUtil.isCall(referenceExpression)) {
PsiType[] argumentTypes = PsiUtil.getArgumentTypes(referenceExpression, false);
if (argumentTypes != null) {
QuickFixAction.registerQuickFixAction(info, referenceExpression.getTextRange(),
GroovyQuickFixFactory.getInstance().createDynamicMethodFix(referenceExpression,
argumentTypes), key);
}
}
else {
QuickFixAction.registerQuickFixAction(info, referenceExpression.getTextRange(), GroovyQuickFixFactory.getInstance().createDynamicPropertyFix(referenceExpression), key);
}
}
private static void registerAddImportFixes(GrReferenceElement refElement, @Nullable HighlightInfo info, final HighlightDisplayKey key) {
final String referenceName = refElement.getReferenceName();
//noinspection ConstantConditions
if (StringUtil.isEmpty(referenceName)) return;
if (!(refElement instanceof GrCodeReferenceElement) && Character.isLowerCase(referenceName.charAt(0))) return;
if (refElement.getQualifier() != null) return;
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createGroovyAddImportAction(refElement), key);
}
private static void registerCreateClassByTypeFix(@NotNull GrReferenceElement refElement,
@Nullable HighlightInfo info,
final HighlightDisplayKey key) {
GrPackageDefinition packageDefinition = PsiTreeUtil.getParentOfType(refElement, GrPackageDefinition.class);
if (packageDefinition != null) return;
PsiElement parent = refElement.getParent();
if (parent instanceof GrNewExpression &&
refElement.getManager().areElementsEquivalent(((GrNewExpression)parent).getReferenceElement(), refElement)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFromNewAction((GrNewExpression)parent), key);
}
else if (canBeClassOrPackage(refElement)) {
if (shouldBeInterface(refElement)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.INTERFACE), key);
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.TRAIT), key);
}
else if (shouldBeClass(refElement)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.CLASS), key);
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.ENUM), key);
}
else if (shouldBeAnnotation(refElement)) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.ANNOTATION), key);
}
else {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.CLASS), key);
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.INTERFACE), key);
if (!refElement.isQualified() || resolvesToGroovy(refElement.getQualifier())) {
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.TRAIT), key);
}
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.ENUM), key);
QuickFixAction.registerQuickFixAction(info, GroovyQuickFixFactory.getInstance().createClassFixAction(refElement, GrCreateClassKind.ANNOTATION), key);
}
}
}
private static boolean resolvesToGroovy(PsiElement qualifier) {
if (qualifier instanceof GrReferenceElement) {
return ((GrReferenceElement)qualifier).resolve() instanceof GroovyPsiElement;
}
if (qualifier instanceof GrExpression) {
PsiType type = ((GrExpression)qualifier).getType();
if (type instanceof PsiClassType) {
PsiClass resolved = ((PsiClassType)type).resolve();
return resolved instanceof GroovyPsiElement;
}
}
return false;
}
private static boolean canBeClassOrPackage(@NotNull GrReferenceElement refElement) {
return !(refElement instanceof GrReferenceExpression) || ResolveUtil.canBeClassOrPackage((GrReferenceExpression)refElement);
}
private static boolean shouldBeAnnotation(GrReferenceElement element) {
return element.getParent() instanceof GrAnnotation;
}
private static boolean shouldBeInterface(GrReferenceElement myRefElement) {
PsiElement parent = myRefElement.getParent();
return parent instanceof GrImplementsClause || parent instanceof GrExtendsClause && parent.getParent() instanceof GrInterfaceDefinition;
}
private static boolean shouldBeClass(GrReferenceElement myRefElement) {
PsiElement parent = myRefElement.getParent();
return parent instanceof GrExtendsClause && !(parent.getParent() instanceof GrInterfaceDefinition);
}
private static boolean shouldHighlightAsUnresolved(@NotNull GrReferenceExpression referenceExpression) {
if (GrHighlightUtil.isDeclarationAssignment(referenceExpression)) return false;
GrExpression qualifier = referenceExpression.getQualifier();
if (qualifier != null && qualifier.getType() == null && !isRefToPackage(qualifier)) return false;
if (qualifier != null &&
referenceExpression.getDotTokenType() == GroovyTokenTypes.mMEMBER_POINTER &&
referenceExpression.multiResolve(false).length > 0) {
return false;
}
if (!GroovyUnresolvedHighlightFilter.shouldHighlight(referenceExpression)) return false;
CollectConsumer consumer = new CollectConsumer();
for (PomDeclarationSearcher searcher : PomDeclarationSearcher.EP_NAME.getExtensions()) {
searcher.findDeclarationsAt(referenceExpression, 0, consumer);
if (!consumer.getResult().isEmpty()) return false;
}
return true;
}
private static boolean isRefToPackage(GrExpression expr) {
return expr instanceof GrReferenceExpression && ((GrReferenceExpression)expr).resolve() instanceof PsiPackage;
}
}