/*
* Copyright 2010-2015 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.kotlin.psi;
import com.intellij.extapi.psi.StubBasedPsiElementBase;
import com.intellij.lang.ASTNode;
import com.intellij.lang.Language;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry;
import com.intellij.psi.stubs.IStubElementType;
import com.intellij.psi.stubs.StubElement;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.idea.KotlinLanguage;
import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementType;
import java.util.Arrays;
import java.util.List;
public class KtElementImplStub<T extends StubElement<?>> extends StubBasedPsiElementBase<T>
implements KtElement, StubBasedPsiElement<T> {
public KtElementImplStub(@NotNull T stub, @NotNull IStubElementType nodeType) {
super(stub, nodeType);
}
public KtElementImplStub(@NotNull ASTNode node) {
super(node);
}
@NotNull
@Override
public Language getLanguage() {
return KotlinLanguage.INSTANCE;
}
@Override
public String toString() {
return getElementType().toString();
}
@Override
public final void accept(@NotNull PsiElementVisitor visitor) {
if (visitor instanceof KtVisitor) {
accept((KtVisitor) visitor, null);
}
else {
visitor.visitElement(this);
}
}
@NotNull
@Override
public KtFile getContainingKtFile() {
PsiFile file = getContainingFile();
assert file instanceof KtFile : "KtElement not inside KtFile: " + file + " " + (file.isValid() ? file.getText() : "<invalid>");
return (KtFile) file;
}
@Override
public <D> void acceptChildren(@NotNull KtVisitor<Void, D> visitor, D data) {
PsiElement child = getFirstChild();
while (child != null) {
if (child instanceof KtElement) {
((KtElement) child).accept(visitor, data);
}
child = child.getNextSibling();
}
}
@Override
public <R, D> R accept(@NotNull KtVisitor<R, D> visitor, D data) {
return visitor.visitKtElement(this, data);
}
@Override
public void delete() throws IncorrectOperationException {
KtElementUtilsKt.deleteSemicolon(this);
super.delete();
}
@Override
public PsiReference getReference() {
PsiReference[] references = getReferences();
if (references.length == 1) return references[0];
else return null;
}
@NotNull
@Override
public PsiReference[] getReferences() {
return ReferenceProvidersRegistry.getReferencesFromProviders(this, PsiReferenceService.Hints.NO_HINTS);
}
@NotNull
protected <PsiT extends KtElementImplStub<?>, StubT extends StubElement> List<PsiT> getStubOrPsiChildrenAsList(
@NotNull KtStubElementType<StubT, PsiT> elementType
) {
return Arrays.asList(getStubOrPsiChildren(elementType, elementType.getArrayFactory()));
}
@NotNull
@Override
public KtElement getPsiOrParent() {
return this;
}
}