| // Copyright 2015 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.devtools.build.lib.syntax; |
| |
| import com.google.devtools.build.lib.events.Location; |
| import com.google.devtools.build.lib.skylarkinterface.StarlarkContext; |
| |
| /** |
| * Skylark values that support querying by other objects, i.e. `foo in object`. |
| * Semantics of the operation may differ, i.e. dicts check for keys and lists for values. |
| */ |
| public interface SkylarkQueryable { |
| |
| /** Returns whether the key is in the object. */ |
| boolean containsKey(Object key, Location loc, StarlarkContext context) throws EvalException; |
| } |
