001 /*
002 * Copyright 2010-2015 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.kotlin.descriptors.impl;
018
019 import org.jetbrains.annotations.NotNull;
020 import org.jetbrains.annotations.Nullable;
021 import org.jetbrains.kotlin.descriptors.*;
022 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
023 import org.jetbrains.kotlin.name.Name;
024 import org.jetbrains.kotlin.types.JetType;
025
026 import java.util.Collection;
027 import java.util.Collections;
028 import java.util.List;
029
030 import static org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilPackage.getBuiltIns;
031
032 public class PropertySetterDescriptorImpl extends PropertyAccessorDescriptorImpl implements PropertySetterDescriptor {
033
034 private ValueParameterDescriptor parameter;
035 @NotNull
036 private final PropertySetterDescriptor original;
037
038 public PropertySetterDescriptorImpl(
039 @NotNull PropertyDescriptor correspondingProperty,
040 @NotNull Annotations annotations,
041 @NotNull Modality modality,
042 @NotNull Visibility visibility,
043 boolean hasBody,
044 boolean isDefault,
045 @NotNull Kind kind,
046 @Nullable PropertySetterDescriptor original,
047 @NotNull SourceElement source
048 ) {
049 super(modality, visibility, correspondingProperty, annotations, Name.special("<set-" + correspondingProperty.getName() + ">"),
050 hasBody, isDefault, kind, source);
051 this.original = original != null ? original : this;
052 }
053
054 public void initialize(@NotNull ValueParameterDescriptor parameter) {
055 assert this.parameter == null;
056 this.parameter = parameter;
057 }
058
059 public void initializeDefault() {
060 assert parameter == null;
061 parameter = createSetterParameter(this, getCorrespondingProperty().getReturnType());
062 }
063
064 public static ValueParameterDescriptorImpl createSetterParameter(
065 @NotNull PropertySetterDescriptor setterDescriptor,
066 @NotNull JetType type
067 ) {
068 return new ValueParameterDescriptorImpl(
069 setterDescriptor, null, 0, Annotations.EMPTY, Name.special("<set-?>"), type, false, null, SourceElement.NO_SOURCE
070 );
071 }
072
073 @NotNull
074 @Override
075 @SuppressWarnings("unchecked")
076 public Collection<? extends PropertySetterDescriptor> getOverriddenDescriptors() {
077 return (Collection) super.getOverriddenDescriptors(false);
078 }
079
080 @NotNull
081 @Override
082 public List<ValueParameterDescriptor> getValueParameters() {
083 if (parameter == null) {
084 throw new IllegalStateException();
085 }
086 return Collections.singletonList(parameter);
087 }
088
089 @NotNull
090 @Override
091 public JetType getReturnType() {
092 return getBuiltIns(this).getUnitType();
093 }
094
095 @Override
096 public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
097 return visitor.visitPropertySetterDescriptor(this, data);
098 }
099
100 @NotNull
101 @Override
102 public PropertySetterDescriptor getOriginal() {
103 return this.original;
104 }
105 }