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.codegen;
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.descriptors.impl.PropertyDescriptorImpl;
024 import org.jetbrains.kotlin.descriptors.impl.PropertyGetterDescriptorImpl;
025 import org.jetbrains.kotlin.descriptors.impl.PropertySetterDescriptorImpl;
026 import org.jetbrains.kotlin.descriptors.impl.TypeParameterDescriptorImpl;
027 import org.jetbrains.kotlin.name.Name;
028 import org.jetbrains.kotlin.psi.JetSuperExpression;
029 import org.jetbrains.kotlin.resolve.DescriptorUtils;
030 import org.jetbrains.kotlin.types.JetType;
031
032 import java.util.Collections;
033
034 public class AccessorForPropertyDescriptor extends PropertyDescriptorImpl implements AccessorForCallableDescriptor<PropertyDescriptor> {
035 private final PropertyDescriptor calleeDescriptor;
036 private final int accessorIndex;
037 private final JetSuperExpression superCallExpression;
038
039 public AccessorForPropertyDescriptor(
040 @NotNull PropertyDescriptor property,
041 @NotNull DeclarationDescriptor containingDeclaration,
042 int index,
043 @Nullable JetSuperExpression superCallExpression
044 ) {
045 this(property, property.getType(), DescriptorUtils.getReceiverParameterType(property.getExtensionReceiverParameter()),
046 property.getDispatchReceiverParameter(), containingDeclaration, index, superCallExpression);
047 }
048
049 protected AccessorForPropertyDescriptor(
050 @NotNull PropertyDescriptor original,
051 @NotNull JetType propertyType,
052 @Nullable JetType receiverType,
053 @Nullable ReceiverParameterDescriptor dispatchReceiverParameter,
054 @NotNull DeclarationDescriptor containingDeclaration,
055 int index,
056 @Nullable JetSuperExpression superCallExpression
057 ) {
058 super(containingDeclaration, null, Annotations.EMPTY, Modality.FINAL, Visibilities.LOCAL,
059 original.isVar(), Name.identifier("access$" + getIndexedAccessorSuffix(original, index)),
060 Kind.DECLARATION, SourceElement.NO_SOURCE, /* lateInit = */ false, /* isConst = */ false);
061
062 this.calleeDescriptor = original;
063 this.accessorIndex = index;
064 this.superCallExpression = superCallExpression;
065 setType(propertyType, Collections.<TypeParameterDescriptorImpl>emptyList(), dispatchReceiverParameter, receiverType);
066 initialize(new Getter(this), new Setter(this));
067 }
068
069 public static class Getter extends PropertyGetterDescriptorImpl implements AccessorForCallableDescriptor<PropertyGetterDescriptor> {
070 public Getter(AccessorForPropertyDescriptor property) {
071 super(property, Annotations.EMPTY, Modality.FINAL, Visibilities.LOCAL,
072 false, false, Kind.DECLARATION, null, SourceElement.NO_SOURCE);
073 initialize(property.getType());
074 }
075
076 @NotNull
077 @Override
078 public PropertyGetterDescriptor getCalleeDescriptor() {
079 //noinspection ConstantConditions
080 return ((AccessorForPropertyDescriptor) getCorrespondingProperty()).getCalleeDescriptor().getGetter();
081 }
082
083 @Nullable
084 @Override
085 public JetSuperExpression getSuperCallExpression() {
086 return ((AccessorForPropertyDescriptor) getCorrespondingProperty()).getSuperCallExpression();
087 }
088 }
089
090 public static class Setter extends PropertySetterDescriptorImpl implements AccessorForCallableDescriptor<PropertySetterDescriptor>{
091 public Setter(AccessorForPropertyDescriptor property) {
092 super(property, Annotations.EMPTY, Modality.FINAL, Visibilities.LOCAL,
093 false, false, Kind.DECLARATION, null, SourceElement.NO_SOURCE);
094 initializeDefault();
095 }
096
097 @NotNull
098 @Override
099 public PropertySetterDescriptor getCalleeDescriptor() {
100 //noinspection ConstantConditions
101 return ((AccessorForPropertyDescriptor) getCorrespondingProperty()).getCalleeDescriptor().getSetter();
102 }
103
104 @Nullable
105 @Override
106 public JetSuperExpression getSuperCallExpression() {
107 return ((AccessorForPropertyDescriptor) getCorrespondingProperty()).getSuperCallExpression();
108 }
109 }
110
111 @NotNull
112 @Override
113 public PropertyDescriptor getCalleeDescriptor() {
114 return calleeDescriptor;
115 }
116
117 @Override
118 public JetSuperExpression getSuperCallExpression() {
119 return superCallExpression;
120 }
121
122 @NotNull
123 public String getIndexedAccessorSuffix() {
124 return getIndexedAccessorSuffix(calleeDescriptor, accessorIndex);
125 }
126
127 @NotNull
128 private static String getIndexedAccessorSuffix(@NotNull PropertyDescriptor original, int index) {
129 return original.getName() + "$" + index;
130 }
131 }