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