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.KotlinType;
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.DescriptorUtilsKt.getBuiltIns;
031
032 public class PropertySetterDescriptorImpl extends PropertyAccessorDescriptorImpl implements PropertySetterDescriptor {
033 private ValueParameterDescriptor parameter;
034
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 isDefault,
044 boolean isExternal,
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 isDefault, isExternal, 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 KotlinType type
067 ) {
068 return new ValueParameterDescriptorImpl(
069 setterDescriptor, null, 0, Annotations.Companion.getEMPTY(), Name.special("<set-?>"), type,
070 /* declaresDefaultValue = */ false,
071 /* isCrossinline = */ false,
072 /* isNoinline = */ false,
073 null, SourceElement.NO_SOURCE
074 );
075 }
076
077 @NotNull
078 @Override
079 @SuppressWarnings("unchecked")
080 public Collection<? extends PropertySetterDescriptor> getOverriddenDescriptors() {
081 return (Collection) super.getOverriddenDescriptors(false);
082 }
083
084 @NotNull
085 @Override
086 public List<ValueParameterDescriptor> getValueParameters() {
087 if (parameter == null) {
088 throw new IllegalStateException();
089 }
090 return Collections.singletonList(parameter);
091 }
092
093 @NotNull
094 @Override
095 public KotlinType getReturnType() {
096 return getBuiltIns(this).getUnitType();
097 }
098
099 @Override
100 public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
101 return visitor.visitPropertySetterDescriptor(this, data);
102 }
103
104 @NotNull
105 @Override
106 public PropertySetterDescriptor getOriginal() {
107 return this.original;
108 }
109 }