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 @Nullable PropertySetterDescriptor original
047 ) {
048 super(modality, visibility, correspondingProperty, annotations, Name.special("<set-" + correspondingProperty.getName() + ">"), hasBody, isDefault, kind);
049 this.original = original != null ? original : this;
050 }
051
052 public void initialize(@NotNull ValueParameterDescriptor parameter) {
053 assert this.parameter == null;
054 this.parameter = parameter;
055 }
056
057 public void initializeDefault() {
058 assert parameter == null;
059 parameter = createSetterParameter(this, getCorrespondingProperty().getReturnType());
060 }
061
062 public static ValueParameterDescriptorImpl createSetterParameter(
063 @NotNull PropertySetterDescriptor setterDescriptor,
064 @NotNull JetType type
065 ) {
066 return new ValueParameterDescriptorImpl(
067 setterDescriptor, null, 0, Annotations.EMPTY, Name.special("<set-?>"), type, false, null
068 );
069 }
070
071 @NotNull
072 @Override
073 public Set<? extends PropertyAccessorDescriptor> getOverriddenDescriptors() {
074 return super.getOverriddenDescriptors(false);
075 }
076
077 @NotNull
078 @Override
079 public List<ValueParameterDescriptor> getValueParameters() {
080 if (parameter == null) {
081 throw new IllegalStateException();
082 }
083 return Collections.singletonList(parameter);
084 }
085
086 @NotNull
087 @Override
088 public JetType getReturnType() {
089 return KotlinBuiltIns.getInstance().getUnitType();
090 }
091
092 @Override
093 public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
094 return visitor.visitPropertySetterDescriptor(this, data);
095 }
096
097 @NotNull
098 @Override
099 public PropertySetterDescriptor getOriginal() {
100 return this.original;
101 }
102 }