/*
* 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.lang.ASTNode;
import com.intellij.psi.PsiComment;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiWhiteSpace;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.lexer.KtTokens;
import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub;
import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
public class KtSuperTypeList extends KtElementImplStub<KotlinPlaceHolderStub<KtSuperTypeList>> {
private final AtomicLong modificationStamp = new AtomicLong();
public KtSuperTypeList(@NotNull ASTNode node) {
super(node);
}
public KtSuperTypeList(@NotNull KotlinPlaceHolderStub<KtSuperTypeList> stub) {
super(stub, KtStubElementTypes.SUPER_TYPE_LIST);
}
@Override
public <R, D> R accept(@NotNull KtVisitor<R, D> visitor, D data) {
return visitor.visitSuperTypeList(this, data);
}
@NotNull
public KtSuperTypeListEntry addEntry(@NotNull KtSuperTypeListEntry entry) {
return EditCommaSeparatedListHelper.INSTANCE.addItem(this, getEntries(), entry);
}
public void removeEntry(@NotNull KtSuperTypeListEntry entry) {
EditCommaSeparatedListHelper.INSTANCE.removeItem(entry);
if (getEntries().isEmpty()) {
delete();
}
}
@Override
public void delete() throws IncorrectOperationException {
PsiElement left = PsiTreeUtil.skipSiblingsBackward(this, PsiWhiteSpace.class, PsiComment.class);
if (left == null || left.getNode().getElementType() != KtTokens.COLON) left = this;
getParent().deleteChildRange(left, this);
}
public List<KtSuperTypeListEntry> getEntries() {
return Arrays.asList(getStubOrPsiChildren(KtStubElementTypes.SUPER_TYPE_LIST_ENTRIES, KtSuperTypeListEntry.ARRAY_FACTORY));
}
@Override
public void subtreeChanged() {
super.subtreeChanged();
modificationStamp.getAndIncrement();
}
public long getModificationStamp() {
return modificationStamp.get();
}
}