org.jetbrains.kotlin.psi.KtTypeProjection Maven / Gradle / Ivy
/*
* 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.PsiElement;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.lexer.KtTokens;
import org.jetbrains.kotlin.psi.stubs.KotlinTypeProjectionStub;
import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes;
public class KtTypeProjection extends KtModifierListOwnerStub {
public KtTypeProjection(@NotNull ASTNode node) {
super(node);
}
public KtTypeProjection(@NotNull KotlinTypeProjectionStub stub) {
super(stub, KtStubElementTypes.TYPE_PROJECTION);
}
@NotNull
public KtProjectionKind getProjectionKind() {
KotlinTypeProjectionStub stub = getStub();
if (stub != null) {
return stub.getProjectionKind();
}
PsiElement projectionToken = getProjectionToken();
IElementType token = projectionToken != null ? projectionToken.getNode().getElementType() : null;
for (KtProjectionKind projectionKind : KtProjectionKind.values()) {
if (projectionKind.getToken() == token) {
return projectionKind;
}
}
throw new IllegalStateException(projectionToken.getText());
}
@Override
public R accept(@NotNull KtVisitor visitor, D data) {
return visitor.visitTypeProjection(this, data);
}
@Nullable
public KtTypeReference getTypeReference() {
return getStubOrPsiChild(KtStubElementTypes.TYPE_REFERENCE);
}
@Nullable
public PsiElement getProjectionToken() {
PsiElement star = findChildByType(KtTokens.MUL);
if (star != null) {
return star;
}
KtModifierList modifierList = getModifierList();
if (modifierList != null) {
PsiElement element = modifierList.getModifier(KtTokens.IN_KEYWORD);
if (element != null) return element;
element = modifierList.getModifier(KtTokens.OUT_KEYWORD);
if (element != null) return element;
}
return null;
}
}