org.jetbrains.kotlin.psi.KtPropertyAccessor 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.util.PsiTreeUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.lexer.KtTokens;
import org.jetbrains.kotlin.psi.stubs.KotlinPropertyAccessorStub;
import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes;
import java.util.Collections;
import java.util.List;
public class KtPropertyAccessor extends KtDeclarationStub
implements KtDeclarationWithBody, KtModifierListOwner, KtWithExpressionInitializer {
public KtPropertyAccessor(@NotNull ASTNode node) {
super(node);
}
public KtPropertyAccessor(@NotNull KotlinPropertyAccessorStub stub) {
super(stub, KtStubElementTypes.PROPERTY_ACCESSOR);
}
@Override
public R accept(@NotNull KtVisitor visitor, D data) {
return visitor.visitPropertyAccessor(this, data);
}
public boolean isSetter() {
KotlinPropertyAccessorStub stub = getStub();
if (stub != null) {
return !stub.isGetter();
}
return findChildByType(KtTokens.SET_KEYWORD) != null;
}
public boolean isGetter() {
KotlinPropertyAccessorStub stub = getStub();
if (stub != null) {
return stub.isGetter();
}
return findChildByType(KtTokens.GET_KEYWORD) != null;
}
@Nullable
public KtParameterList getParameterList() {
return getStubOrPsiChild(KtStubElementTypes.VALUE_PARAMETER_LIST);
}
@Nullable
public KtParameter getParameter() {
KtParameterList parameterList = getParameterList();
if (parameterList == null) return null;
List parameters = parameterList.getParameters();
if (parameters.isEmpty()) return null;
return parameters.get(0);
}
@NotNull
@Override
public List getValueParameters() {
KtParameter parameter = getParameter();
if (parameter == null) {
return Collections.emptyList();
}
return Collections.singletonList(parameter);
}
@Nullable
@Override
public KtExpression getBodyExpression() {
return findChildByClass(KtExpression.class);
}
@Override
public boolean hasBlockBody() {
return getEqualsToken() == null;
}
@Override
public boolean hasBody() {
KotlinPropertyAccessorStub stub = getStub();
if (stub != null) {
return stub.hasBody();
}
return getBodyExpression() != null;
}
@Override
@Nullable
public PsiElement getEqualsToken() {
return findChildByType(KtTokens.EQ);
}
@Override
public boolean hasDeclaredReturnType() {
return true;
}
@Nullable
public KtTypeReference getReturnTypeReference() {
return getStubOrPsiChild(KtStubElementTypes.TYPE_REFERENCE);
}
@NotNull
public PsiElement getNamePlaceholder() {
PsiElement get = findChildByType(KtTokens.GET_KEYWORD);
if (get != null) {
return get;
}
return findChildByType(KtTokens.SET_KEYWORD);
}
@Nullable
public ASTNode getRightParenthesis() {
return getNode().findChildByType(KtTokens.RPAR);
}
@Nullable
@Override
public KtExpression getInitializer() {
return PsiTreeUtil.getNextSiblingOfType(getEqualsToken(), KtExpression.class);
}
@Override
public boolean hasInitializer() {
return getInitializer() != null;
}
@NotNull
public KtProperty getProperty() {
return (KtProperty) getParent();
}
}