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
017package org.jetbrains.jet.lang.resolve.scopes;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
021import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor;
022
023import java.util.Collections;
024import java.util.List;
025
026/**
027 * Members of the class object are accessible from the class.
028 * Scope lazily delegates requests to class object scope.
029 */
030public class ClassObjectMixinScope extends AbstractScopeAdapter {
031    private final ClassDescriptor classObjectDescriptor;
032
033    public ClassObjectMixinScope(ClassDescriptor classObjectDescriptor) {
034        this.classObjectDescriptor = classObjectDescriptor;
035    }
036
037    @NotNull
038    @Override
039    protected JetScope getWorkerScope() {
040        return classObjectDescriptor.getDefaultType().getMemberScope();
041    }
042
043    @NotNull
044    @Override
045    public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
046        return Collections.singletonList(classObjectDescriptor.getThisAsReceiverParameter());
047    }
048}