org.jetbrains.plugins.groovy.lang.psi.impl.statements.typedef.GrAnonymousClassDefinitionImpl 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.lang.psi.impl.statements.typedef;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.reference.SoftReference;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.lang.parser.GroovyElementTypes;
import org.jetbrains.plugins.groovy.lang.psi.GroovyElementVisitor;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrArgumentList;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrNewExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrAnonymousClassDefinition;
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.GrTypeDefinition;
import org.jetbrains.plugins.groovy.lang.psi.api.types.GrCodeReferenceElement;
import org.jetbrains.plugins.groovy.lang.psi.impl.GrClassReferenceType;
import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyPsiManager;
import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil;
import org.jetbrains.plugins.groovy.lang.psi.stubs.GrTypeDefinitionStub;
import org.jetbrains.plugins.groovy.lang.psi.stubs.elements.GrStubElementType;
import org.jetbrains.plugins.groovy.lang.psi.util.GroovyCommonClassNames;
/**
* @author Maxim.Medvedev
*/
public class GrAnonymousClassDefinitionImpl extends GrTypeDefinitionImpl implements GrAnonymousClassDefinition {
private SoftReference myCachedBaseType = null;
public GrAnonymousClassDefinitionImpl(@NotNull ASTNode node) {
super(node);
}
public GrAnonymousClassDefinitionImpl(GrTypeDefinitionStub stub) {
this(stub, GroovyElementTypes.ANONYMOUS_CLASS_DEFINITION);
}
public GrAnonymousClassDefinitionImpl(GrTypeDefinitionStub stub, final GrStubElementType nodeType) {
super(stub, nodeType);
}
@Override
@NotNull
public GrCodeReferenceElement getBaseClassReferenceGroovy() {
//noinspection ConstantConditions
return findNotNullChildByClass(GrCodeReferenceElement.class); //not null because of definition =)
}
@Override
public boolean hasModifierProperty(@NonNls @NotNull String name) {
return PsiModifier.FINAL.equals(name);
}
@Override
@Nullable
public GrArgumentList getArgumentListGroovy() {
//noinspection ConstantConditions
return findChildByClass(GrArgumentList.class); //not null because of definition
}
@Override
public boolean isInQualifiedNew() {
final GrTypeDefinitionStub stub = getStub();
if (stub != null) {
return stub.isAnonymousInQualifiedNew();
}
final PsiElement parent = getParent();
return parent instanceof GrNewExpression && ((GrNewExpression)parent).getQualifier() != null;
}
@Override
@NotNull
public PsiJavaCodeReferenceElement getBaseClassReference() {
final GrCodeReferenceElement ref = getBaseClassReferenceGroovy();
final PsiElement element = ref.resolve();
final Project project = getProject();
if (element instanceof PsiClass) {
final GrClassReferenceType type = new GrClassReferenceType(ref);
return JavaPsiFacade.getElementFactory(project).createReferenceElementByType(type);
}
String qName = ref.getReferenceName(); //not null
assert qName != null;
return JavaPsiFacade.getElementFactory(project).createReferenceElementByFQClassName(qName, GlobalSearchScope.allScope(project));
}
@Override
@NotNull
public PsiClassType getBaseClassType() {
if (isInQualifiedNew()) {
return createClassType();
}
PsiClassType type = SoftReference.dereference(myCachedBaseType);
if (type != null && type.isValid()) return type;
type = createClassType();
myCachedBaseType = new SoftReference(type);
return type;
}
@Override
@Nullable
public PsiExpressionList getArgumentList() {
return null;
}
@NotNull
private PsiClassType createClassType() {
return JavaPsiFacade.getInstance(getProject()).getElementFactory().createType(getBaseClassReference());
}
@Nullable
private PsiClass getBaseClass() {
final PsiElement element = getBaseClassReferenceGroovy().resolve();
if (element instanceof PsiClass) return (PsiClass)element;
return null;
}
@NotNull
@Override
public PsiElement getNameIdentifierGroovy() {
//noinspection ConstantConditions
return getBaseClassReferenceGroovy().getReferenceNameElement();
}
@Override
public boolean processDeclarations(@NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
@Nullable PsiElement lastParent,
@NotNull PsiElement place) {
if (lastParent instanceof GrArgumentList) return true;
GrCodeReferenceElement refElement = getBaseClassReferenceGroovy();
if (refElement == place || refElement == lastParent) return true;
return super.processDeclarations(processor, state, lastParent, place);
}
@Override
public boolean isAnonymous() {
return true;
}
@Override
public PsiClass getSuperClass() {
final PsiClass psiClass = getBaseClass();
if (psiClass != null && !psiClass.isInterface()) return psiClass;
return GroovyPsiManager.getInstance(getProject()).findClassWithCache(GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT, getResolveScope());
}
private PsiClassType createTypeByName(String className) {
return TypesUtil.createTypeByFQClassName(className, this);
}
@Override
public String[] getSuperClassNames() {
return new String[]{getBaseClassReferenceGroovy().getReferenceName()};
}
@Override
public PsiClass getContainingClass() {
return null;
}
@NotNull
@Override
public PsiClassType[] getExtendsListTypes() {
final PsiClass baseClass = getBaseClass();
if (baseClass != null) {
if (baseClass.isInterface()) {
return new PsiClassType[]{createTypeByName(GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT)};
}
else {
if (baseClass instanceof GrTypeDefinition) {
return new PsiClassType[]{getBaseClassType()};
}
else {
return new PsiClassType[]{getBaseClassType(), createTypeByName(GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT)};
}
}
}
return super.getExtendsListTypes();
}
@Override
public GrExtendsClause getExtendsClause() {
return null;
}
@Override
public GrImplementsClause getImplementsClause() {
return null;
}
@NotNull
@Override
public PsiClassType[] getImplementsListTypes() {
final PsiClass baseClass = getBaseClass();
if (baseClass != null && baseClass.isInterface()) {
return new PsiClassType[]{getBaseClassType(), createTypeByName(GroovyCommonClassNames.DEFAULT_BASE_CLASS_NAME)};
}
return new PsiClassType[]{createTypeByName(GroovyCommonClassNames.DEFAULT_BASE_CLASS_NAME)};
}
@Override
public String toString() {
return "Anonymous class";
}
@Override
public void subtreeChanged() {
super.subtreeChanged();
myCachedBaseType = null;
}
@Override
protected Object clone() {
final Object o = super.clone();
((GrAnonymousClassDefinitionImpl)o).myCachedBaseType = null;
return o;
}
@Override
public String getQualifiedName() {
return null;
}
@Override
public String getName() {
return null;
}
@Override
public PsiIdentifier getNameIdentifier() {
return null;
}
@Override
public void accept(GroovyElementVisitor visitor) {
visitor.visitAnonymousClassDefinition(this);
}
}