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.Annotations;
023 import org.jetbrains.jet.lang.resolve.name.Name;
024 import org.jetbrains.jet.lang.types.JetType;
025 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
026
027 import java.util.Collections;
028 import java.util.List;
029 import java.util.Set;
030
031 public class PropertySetterDescriptorImpl extends PropertyAccessorDescriptorImpl implements PropertySetterDescriptor {
032
033 private ValueParameterDescriptor parameter;
034 @NotNull
035 private final PropertySetterDescriptor original;
036
037 public PropertySetterDescriptorImpl(
038 @NotNull PropertyDescriptor correspondingProperty,
039 @NotNull Annotations annotations,
040 @NotNull Modality modality,
041 @NotNull Visibility visibility,
042 boolean hasBody,
043 boolean isDefault,
044 @NotNull Kind kind,
045 @Nullable PropertySetterDescriptor original,
046 @NotNull SourceElement source
047 ) {
048 super(modality, visibility, correspondingProperty, annotations, Name.special("<set-" + correspondingProperty.getName() + ">"),
049 hasBody, isDefault, kind, source);
050 this.original = original != null ? original : this;
051 }
052
053 public void initialize(@NotNull ValueParameterDescriptor parameter) {
054 assert this.parameter == null;
055 this.parameter = parameter;
056 }
057
058 public void initializeDefault() {
059 assert parameter == null;
060 parameter = createSetterParameter(this, getCorrespondingProperty().getReturnType());
061 }
062
063 public static ValueParameterDescriptorImpl createSetterParameter(
064 @NotNull PropertySetterDescriptor setterDescriptor,
065 @NotNull JetType type
066 ) {
067 return new ValueParameterDescriptorImpl(
068 setterDescriptor, null, 0, Annotations.EMPTY, Name.special("<set-?>"), type, false, null, SourceElement.NO_SOURCE
069 );
070 }
071
072 @NotNull
073 @Override
074 public Set<? extends PropertyAccessorDescriptor> getOverriddenDescriptors() {
075 return super.getOverriddenDescriptors(false);
076 }
077
078 @NotNull
079 @Override
080 public List<ValueParameterDescriptor> getValueParameters() {
081 if (parameter == null) {
082 throw new IllegalStateException();
083 }
084 return Collections.singletonList(parameter);
085 }
086
087 @NotNull
088 @Override
089 public JetType getReturnType() {
090 return KotlinBuiltIns.getInstance().getUnitType();
091 }
092
093 @Override
094 public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
095 return visitor.visitPropertySetterDescriptor(this, data);
096 }
097
098 @NotNull
099 @Override
100 public PropertySetterDescriptor getOriginal() {
101 return this.original;
102 }
103 }