Emily Fortuna
552680b7f0
Change-Id: Idc3612072c3cf28a4f58bbb890908f67473d8292 Reviewed-on: https://dart-review.googlesource.com/56284 Commit-Queue: Emily Fortuna <efortuna@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
73 lines
2.5 KiB
Dart
73 lines
2.5 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library dart2js.test.memory_source_file_helper;
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import 'dart:async' show Future;
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export 'dart:io' show Platform;
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import 'package:compiler/compiler_new.dart';
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export 'package:compiler/src/apiimpl.dart' show CompilerImpl;
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export 'package:compiler/src/filenames.dart' show currentDirectory;
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import 'package:compiler/src/io/source_file.dart'
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show Binary, StringSourceFile, Utf8BytesSourceFile;
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import 'package:compiler/src/source_file_provider.dart' show SourceFileProvider;
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export 'package:compiler/src/source_file_provider.dart'
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show SourceFileProvider, FormattingDiagnosticHandler;
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class MemorySourceFileProvider extends SourceFileProvider {
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Map<String, dynamic> memorySourceFiles;
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/// MemorySourceFiles can contain maps of file names to string contents or
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/// file names to binary contents.
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MemorySourceFileProvider(Map<String, dynamic> this.memorySourceFiles);
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@override
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Future<Input<List<int>>> readBytesFromUri(
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Uri resourceUri, InputKind inputKind) {
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if (resourceUri.scheme != 'memory') {
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return super.readBytesFromUri(resourceUri, inputKind);
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}
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// TODO(johnniwinther): We should use inputs already in the cache. Some
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// tests currently require that we always create a fresh input.
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var source = memorySourceFiles[resourceUri.path];
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if (source == null) {
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return new Future.error(new Exception(
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'No such memory file $resourceUri in ${memorySourceFiles.keys}'));
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}
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Input<List<int>> input;
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switch (inputKind) {
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case InputKind.UTF8:
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if (source is String) {
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input = new StringSourceFile.fromUri(resourceUri, source);
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} else {
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input = new Utf8BytesSourceFile(resourceUri, source);
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}
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utf8SourceFiles[resourceUri] = input;
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break;
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case InputKind.binary:
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if (source is String) {
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utf8SourceFiles[resourceUri] =
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new StringSourceFile.fromUri(resourceUri, source);
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source = source.codeUnits;
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}
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input =
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binarySourceFiles[resourceUri] = new Binary(resourceUri, source);
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break;
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}
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return new Future.value(input);
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}
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@override
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Future<Input> readFromUri(Uri resourceUri,
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{InputKind inputKind: InputKind.UTF8}) =>
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readBytesFromUri(resourceUri, inputKind);
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}
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