1 /* 2 * Copyright 2016 Google Inc. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.turbine.binder.lookup; 18 19 import org.jspecify.nullness.Nullable; 20 21 /** A scope that defines types, and supports qualified name resolution. */ 22 public interface Scope { 23 /** 24 * Performs qualified name lookup on the given {@link LookupKey}, and returns either a {@link 25 * LookupResult} or else {@code null} indicating that the name could not be resolved. 26 */ 27 @Nullable lookup(LookupKey lookupKey)28 LookupResult lookup(LookupKey lookupKey); 29 } 30