| // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// Null pattern implementation of the [api.CompilerOutput] interface. |
| |
| library compiler.null_api; |
| |
| import '../compiler_api.dart' as api; |
| |
| /// Null pattern implementation of the [api.CompilerOutput] interface. |
| class NullCompilerOutput implements api.CompilerOutput { |
| const NullCompilerOutput(); |
| |
| @override |
| api.OutputSink createOutputSink( |
| String name, String extension, api.OutputType type) { |
| return NullSink.outputProvider(name, extension, type); |
| } |
| |
| @override |
| api.BinaryOutputSink createBinarySink(Uri uri) { |
| return NullBinarySink(uri); |
| } |
| } |
| |
| /// A sink that discards the data. |
| class NullSink implements api.OutputSink { |
| final String name; |
| |
| NullSink(this.name); |
| |
| @override |
| void add(String value) {} |
| |
| @override |
| void close() {} |
| |
| @override |
| String toString() => name; |
| |
| /// Convenience method for getting an [api.CompilerOutputProvider]. |
| static NullSink outputProvider( |
| String name, String extension, api.OutputType type) { |
| return NullSink('$name.$extension.$type'); |
| } |
| } |
| |
| class NullBinarySink implements api.BinaryOutputSink { |
| final Uri uri; |
| |
| NullBinarySink(this.uri); |
| |
| @override |
| void write(List<int> buffer, [int start = 0, int? end]) {} |
| |
| @override |
| void close() {} |
| |
| @override |
| String toString() => 'NullBinarySink($uri)'; |
| } |