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.descriptors.serialization.descriptors;
018    
019    import kotlin.Function0;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.jet.descriptors.serialization.ClassId;
023    import org.jetbrains.jet.descriptors.serialization.PackageData;
024    import org.jetbrains.jet.descriptors.serialization.ProtoBuf;
025    import org.jetbrains.jet.descriptors.serialization.context.ContextPackage;
026    import org.jetbrains.jet.descriptors.serialization.context.DeserializationContext;
027    import org.jetbrains.jet.descriptors.serialization.context.DeserializationGlobalContext;
028    import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
029    import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
030    import org.jetbrains.jet.lang.descriptors.PackageFragmentDescriptor;
031    import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor;
032    import org.jetbrains.jet.lang.resolve.name.FqName;
033    import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
034    import org.jetbrains.jet.lang.resolve.name.Name;
035    import org.jetbrains.jet.storage.NotNullLazyValue;
036    
037    import java.util.Collection;
038    
039    public class DeserializedPackageMemberScope extends DeserializedMemberScope {
040    
041        private final FqName packageFqName;
042        private final DeserializationContext context;
043        private final NotNullLazyValue<Collection<Name>> classNames;
044    
045        public DeserializedPackageMemberScope(
046                @NotNull PackageFragmentDescriptor packageDescriptor,
047                @NotNull ProtoBuf.Package proto,
048                @NotNull DeserializationContext context,
049                @NotNull Function0<Collection<Name>> classNames
050        ) {
051            super(context.withTypes(packageDescriptor), proto.getMemberList());
052            this.context = context;
053            this.packageFqName = packageDescriptor.getFqName();
054            this.classNames = context.getStorageManager().createLazyValue(classNames);
055        }
056    
057        public DeserializedPackageMemberScope(
058                @NotNull PackageFragmentDescriptor packageDescriptor,
059                @NotNull PackageData packageData,
060                @NotNull DeserializationGlobalContext context,
061                @NotNull Function0<Collection<Name>> classNames
062        ) {
063            this(packageDescriptor, packageData.getPackageProto(), context.withNameResolver(packageData.getNameResolver()), classNames);
064        }
065        @Nullable
066        @Override
067        protected ClassDescriptor getClassDescriptor(@NotNull Name name) {
068            return ContextPackage.deserializeClass(context, new ClassId(packageFqName, FqNameUnsafe.topLevel(name)));
069        }
070    
071        @Override
072        protected void addAllClassDescriptors(@NotNull Collection<DeclarationDescriptor> result) {
073            for (Name className : classNames.invoke()) {
074                ClassDescriptor classDescriptor = getClassDescriptor(className);
075    
076                if (classDescriptor != null) {
077                    result.add(classDescriptor);
078                }
079            }
080        }
081    
082        @Override
083        protected void addNonDeclaredDescriptors(@NotNull Collection<DeclarationDescriptor> result) {
084            // Do nothing
085        }
086    
087        @Nullable
088        @Override
089        protected ReceiverParameterDescriptor getImplicitReceiver() {
090            return null;
091        }
092    }