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
017package org.jetbrains.jet.lang.descriptors.impl;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.annotations.Nullable;
021import org.jetbrains.jet.lang.descriptors.*;
022import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
023import org.jetbrains.jet.lang.resolve.name.Name;
024import org.jetbrains.jet.lang.types.JetType;
025import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
026
027import java.util.Collections;
028import java.util.List;
029import java.util.Set;
030
031public 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 List<AnnotationDescriptor> annotations,
040            @NotNull Modality modality,
041            @NotNull Visibility visibility,
042            boolean hasBody,
043            boolean isDefault,
044            @NotNull Kind kind
045    ) {
046        this(correspondingProperty, annotations, modality, visibility, hasBody, isDefault, kind, null);
047    }
048
049    public PropertySetterDescriptorImpl(
050            @NotNull PropertyDescriptor correspondingProperty,
051            @NotNull List<AnnotationDescriptor> annotations,
052            @NotNull Modality modality,
053            @NotNull Visibility visibility,
054            boolean hasBody,
055            boolean isDefault,
056            @NotNull Kind kind,
057            @Nullable PropertySetterDescriptor original
058    ) {
059        super(modality, visibility, correspondingProperty, annotations, Name.special("<set-" + correspondingProperty.getName() + ">"), hasBody, isDefault, kind);
060        this.original = original != null ? original : this;
061    }
062
063    public void initialize(@NotNull ValueParameterDescriptor parameter) {
064        assert this.parameter == null;
065        this.parameter = parameter;
066    }
067
068    public void initializeDefault() {
069        assert parameter == null;
070        parameter = new ValueParameterDescriptorImpl(this, 0, Collections.<AnnotationDescriptor>emptyList(), Name.special("<set-?>"), getCorrespondingProperty().getReturnType(), false, null);
071    }
072
073    @NotNull
074    @Override
075    public Set<? extends PropertyAccessorDescriptor> getOverriddenDescriptors() {
076        return super.getOverriddenDescriptors(false);
077    }
078
079    @NotNull
080    @Override
081    public List<ValueParameterDescriptor> getValueParameters() {
082        if (parameter == null) {
083            throw new IllegalStateException();
084        }
085        return Collections.singletonList(parameter);
086    }
087
088    @NotNull
089    @Override
090    public JetType getReturnType() {
091        return KotlinBuiltIns.getInstance().getUnitType();
092    }
093
094    @Override
095    public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
096        return visitor.visitPropertySetterDescriptor(this, data);
097    }
098
099    @NotNull
100    @Override
101    public PropertySetterDescriptor getOriginal() {
102        return this.original;
103    }
104}