001 /*
002 * Copyright 2010-2013 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.jet.lang.descriptors.impl;
018
019 import org.jetbrains.annotations.NotNull;
020 import org.jetbrains.annotations.Nullable;
021 import org.jetbrains.jet.lang.descriptors.*;
022 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
023 import org.jetbrains.jet.lang.descriptors.annotations.Annotations;
024 import org.jetbrains.jet.lang.resolve.name.Name;
025 import org.jetbrains.jet.lang.types.JetType;
026 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
027
028 import java.util.Collections;
029 import java.util.List;
030 import java.util.Set;
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 ) {
047 this(correspondingProperty, annotations, modality, visibility, hasBody, isDefault, kind, null);
048 }
049
050 public PropertySetterDescriptorImpl(
051 @NotNull PropertyDescriptor correspondingProperty,
052 @NotNull Annotations annotations,
053 @NotNull Modality modality,
054 @NotNull Visibility visibility,
055 boolean hasBody,
056 boolean isDefault,
057 @NotNull Kind kind,
058 @Nullable PropertySetterDescriptor original
059 ) {
060 super(modality, visibility, correspondingProperty, annotations, Name.special("<set-" + correspondingProperty.getName() + ">"), hasBody, isDefault, kind);
061 this.original = original != null ? original : this;
062 }
063
064 public void initialize(@NotNull ValueParameterDescriptor parameter) {
065 assert this.parameter == null;
066 this.parameter = parameter;
067 }
068
069 public void initializeDefault() {
070 assert parameter == null;
071 parameter = createSetterParameter(this, getCorrespondingProperty().getReturnType());
072 }
073
074 public static ValueParameterDescriptorImpl createSetterParameter(
075 @NotNull PropertySetterDescriptor setterDescriptor,
076 @NotNull JetType type
077 ) {
078 return new ValueParameterDescriptorImpl(
079 setterDescriptor, 0, Annotations.EMPTY, Name.special("<set-?>"), type, false, null
080 );
081 }
082
083 @NotNull
084 @Override
085 public Set<? extends PropertyAccessorDescriptor> getOverriddenDescriptors() {
086 return super.getOverriddenDescriptors(false);
087 }
088
089 @NotNull
090 @Override
091 public List<ValueParameterDescriptor> getValueParameters() {
092 if (parameter == null) {
093 throw new IllegalStateException();
094 }
095 return Collections.singletonList(parameter);
096 }
097
098 @NotNull
099 @Override
100 public JetType getReturnType() {
101 return KotlinBuiltIns.getInstance().getUnitType();
102 }
103
104 @Override
105 public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
106 return visitor.visitPropertySetterDescriptor(this, data);
107 }
108
109 @NotNull
110 @Override
111 public PropertySetterDescriptor getOriginal() {
112 return this.original;
113 }
114 }