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;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
021    import org.jetbrains.jet.lang.resolve.scopes.WritableScope;
022    
023    public interface ModuleConfiguration {
024        ModuleConfiguration EMPTY = new ModuleConfiguration() {
025            @Override
026            public void extendNamespaceScope(@NotNull NamespaceDescriptor namespaceDescriptor, @NotNull WritableScope namespaceMemberScope) {
027            }
028    
029            @Override
030            public String toString() {
031                return "EMPTY";
032            }
033        };
034    
035        /**
036         * This method is called every time a namespace descriptor is created. Use it to add extra descriptors to the namespace, e.g. merge a
037         * Java package with a Kotlin one
038         */
039        void extendNamespaceScope(@NotNull NamespaceDescriptor namespaceDescriptor, @NotNull WritableScope namespaceMemberScope);
040    }