| /* |
| * Copyright (c) 2013, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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.dart.engine.source; |
| |
| /** |
| * Instances of interface {@code LocalSourcePredicate} are used to determine if the given |
| * {@link Source} is "local" in some sense, so can be updated. |
| * |
| * @coverage dart.engine.source |
| */ |
| public interface LocalSourcePredicate { |
| /** |
| * Instance of {@link LocalSourcePredicate} that always returns {@code false}. |
| */ |
| LocalSourcePredicate FALSE = new LocalSourcePredicate() { |
| @Override |
| public boolean isLocal(Source source) { |
| return false; |
| } |
| }; |
| |
| /** |
| * Instance of {@link LocalSourcePredicate} that always returns {@code true}. |
| */ |
| LocalSourcePredicate TRUE = new LocalSourcePredicate() { |
| @Override |
| public boolean isLocal(Source source) { |
| return true; |
| } |
| }; |
| |
| /** |
| * Instance of {@link LocalSourcePredicate} that returns {@code true} for all {@link Source}s |
| * except of SDK. |
| */ |
| LocalSourcePredicate NOT_SDK = new LocalSourcePredicate() { |
| @Override |
| public boolean isLocal(Source source) { |
| return source.getUriKind() != UriKind.DART_URI; |
| } |
| }; |
| |
| /** |
| * Determines if the given {@link Source} is local. |
| * |
| * @param source the {@link Source} to analyze |
| * @return {@code true} if the given {@link Source} is local |
| */ |
| boolean isLocal(Source source); |
| } |