001    /*
002     * Copyright 2010-2015 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.kotlin.descriptors;
018    
019    import org.jetbrains.annotations.NotNull;
020    
021    public interface SourceElement {
022        SourceElement NO_SOURCE = new SourceElement() {
023            @Override
024            public String toString() {
025                return "NO_SOURCE";
026            }
027    
028            @NotNull
029            @Override
030            public SourceFile getContainingFile() {
031                return SourceFile.NO_SOURCE_FILE;
032            }
033        };
034    
035        @NotNull
036        SourceFile getContainingFile();
037    }