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.descriptors.impl;
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.name.Name;
024    import org.jetbrains.kotlin.types.KotlinType;
025    import org.jetbrains.kotlin.types.TypeSubstitutor;
026    
027    public class LocalVariableDescriptor extends VariableDescriptorWithInitializerImpl implements VariableDescriptorWithAccessors {
028        private final boolean isDelegated;
029        private VariableAccessorDescriptor getter;
030        private VariableAccessorDescriptor setter;
031    
032        public LocalVariableDescriptor(
033                @NotNull DeclarationDescriptor containingDeclaration,
034                @NotNull Annotations annotations,
035                @NotNull Name name,
036                @Nullable KotlinType type,
037                boolean mutable,
038                boolean isDelegated,
039                @NotNull SourceElement source
040        ) {
041            super(containingDeclaration, annotations, name, type, mutable, source);
042            this.isDelegated = isDelegated;
043        }
044    
045        @Override
046        public void setOutType(KotlinType outType) {
047            super.setOutType(outType);
048            if (isDelegated) {
049                this.getter = new LocalVariableAccessorDescriptor.Getter(this);
050                if (isVar()) {
051                    this.setter = new LocalVariableAccessorDescriptor.Setter(this);
052                }
053            }
054        }
055    
056        @NotNull
057        @Override
058        public LocalVariableDescriptor substitute(@NotNull TypeSubstitutor substitutor) {
059            if (substitutor.isEmpty()) return this;
060            throw new UnsupportedOperationException(); // TODO
061        }
062    
063        @Override
064        public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
065            return visitor.visitVariableDescriptor(this, data);
066        }
067    
068        @NotNull
069        @Override
070        public Visibility getVisibility() {
071            return Visibilities.LOCAL;
072        }
073    
074        @Nullable
075        @Override
076        public VariableAccessorDescriptor getGetter() {
077            return getter;
078        }
079    
080        @Nullable
081        @Override
082        public VariableAccessorDescriptor getSetter() {
083            return setter;
084        }
085    
086        // This override is not deprecated because local variables can only come from sources,
087        // and we can be sure that they won't be recompiled independently
088        @Override
089        public boolean isDelegated() {
090            return isDelegated;
091        }
092    }