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.resolve.DescriptorUtils;
024    import org.jetbrains.jet.lang.resolve.name.Name;
025    import org.jetbrains.jet.lang.types.JetType;
026    
027    import java.util.Collections;
028    import java.util.List;
029    import java.util.Set;
030    
031    import static org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER;
032    
033    public class ConstructorDescriptorImpl extends FunctionDescriptorImpl implements ConstructorDescriptor {
034    
035        private final boolean isPrimary;
036    
037        private static final Name NAME = Name.special("<init>");
038    
039        public ConstructorDescriptorImpl(@NotNull ClassDescriptor containingDeclaration, @NotNull List<AnnotationDescriptor> annotations, boolean isPrimary) {
040            this(containingDeclaration, annotations, isPrimary, Kind.DECLARATION);
041        }
042    
043        public ConstructorDescriptorImpl(@NotNull ClassDescriptor containingDeclaration, @NotNull List<AnnotationDescriptor> annotations, boolean isPrimary, Kind kind) {
044            super(containingDeclaration, annotations, NAME, kind);
045            this.isPrimary = isPrimary;
046        }
047    
048        public ConstructorDescriptorImpl(@NotNull ClassDescriptor containingDeclaration, @NotNull ConstructorDescriptor original, @NotNull List<AnnotationDescriptor> annotations, boolean isPrimary) {
049            super(containingDeclaration, original, annotations, NAME, Kind.DECLARATION);
050            this.isPrimary = isPrimary;
051        }
052    
053        public ConstructorDescriptorImpl initialize(@NotNull List<TypeParameterDescriptor> typeParameters, @NotNull List<ValueParameterDescriptor> unsubstitutedValueParameters, Visibility visibility) {
054            return initialize(typeParameters, unsubstitutedValueParameters, visibility, false);
055        }
056    
057        public ConstructorDescriptorImpl initialize(@NotNull List<TypeParameterDescriptor> typeParameters, @NotNull List<ValueParameterDescriptor> unsubstitutedValueParameters, Visibility visibility, boolean isStatic) {
058            super.initialize(null, isStatic ? NO_RECEIVER_PARAMETER : getExpectedThisObject(getContainingDeclaration()), typeParameters, unsubstitutedValueParameters, null, Modality.FINAL, visibility);
059            return this;
060        }
061    
062        @Nullable
063        private static ReceiverParameterDescriptor getExpectedThisObject(@NotNull ClassDescriptor descriptor) {
064            DeclarationDescriptor containingDeclaration = descriptor.getContainingDeclaration();
065            return DescriptorUtils.getExpectedThisObjectIfNeeded(containingDeclaration);
066        }
067    
068        @NotNull
069        @Override
070        public ClassDescriptor getContainingDeclaration() {
071            return (ClassDescriptor) super.getContainingDeclaration();
072        }
073    
074        @NotNull
075        @Override
076        public ConstructorDescriptor getOriginal() {
077            return (ConstructorDescriptor) super.getOriginal();
078        }
079    
080        @Override
081        public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
082            return visitor.visitConstructorDescriptor(this, data);
083        }
084    
085        @Override
086        public boolean isPrimary() {
087            return isPrimary;
088        }
089    
090        @NotNull
091        @Override
092        public Set<? extends FunctionDescriptor> getOverriddenDescriptors() {
093            return Collections.emptySet();
094        }
095    
096        @Override
097        public void addOverriddenDescriptor(@NotNull CallableMemberDescriptor overriddenFunction) {
098            throw new UnsupportedOperationException("Constructors cannot override anything");
099        }
100    
101        @Override
102        protected FunctionDescriptorImpl createSubstitutedCopy(DeclarationDescriptor newOwner, boolean preserveOriginal, Kind kind) {
103            if (kind != Kind.DECLARATION) {
104                throw new IllegalStateException();
105            }
106            return new ConstructorDescriptorImpl(
107                    (ClassDescriptor) newOwner,
108                    this,
109                    Collections.<AnnotationDescriptor>emptyList(), // TODO
110                    isPrimary);
111        }
112    
113        @NotNull
114        @Override
115        public ConstructorDescriptor copy(DeclarationDescriptor newOwner, Modality modality, Visibility visibility, Kind kind, boolean copyOverrides) {
116            throw new UnsupportedOperationException("Constructors should not be copied for overriding");
117        }
118    }