org.jetbrains.kotlin.psi.KtTypeAlias.kt Maven / Gradle / Ivy
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the Kotlin compiler embeddable
/*
* Copyright 2010-2016 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.navigation.ItemPresentationProviders
import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.KtNodeTypes
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub
import org.jetbrains.kotlin.psi.stubs.KotlinTypeAliasStub
import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes
class KtTypeAlias : KtTypeParameterListOwnerStub, KtNamedDeclaration {
constructor(node: ASTNode) : super(node)
constructor(stub: KotlinTypeAliasStub) : super(stub, KtStubElementTypes.TYPEALIAS)
override fun accept(visitor: KtVisitor, data: D): R =
visitor.visitTypeAlias(this, data)
fun isTopLevel(): Boolean =
stub?.isTopLevel() ?: parent is KtFile
@IfNotParsed
fun getTypeAliasKeyword(): PsiElement? =
findChildByType(KtTokens.TYPE_ALIAS_KEYWORD)
@IfNotParsed
fun getTypeReference(): KtTypeReference? {
if (stub != null) {
val typeReferences = getStubOrPsiChildrenAsList>(KtStubElementTypes.TYPE_REFERENCE)
return typeReferences[0]
}
else {
return findChildByType(KtNodeTypes.TYPE_REFERENCE)
}
}
override fun getPresentation() = ItemPresentationProviders.getItemPresentation(this)
}