/*
* 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();
}
}