blob: 865d20e3f82dc3392d6b0d19ba9b2ccb3908793e [file] [log] [blame]
// Copyright (c) 2013, 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.
// @dart = 2.7
library dart2js.test.memory_source_file_helper;
import 'dart:async' show Future;
export 'dart:io' show Platform;
import 'package:compiler/compiler_new.dart';
export 'package:compiler/src/apiimpl.dart' show CompilerImpl;
import 'package:compiler/src/io/source_file.dart'
show Binary, StringSourceFile, Utf8BytesSourceFile;
import 'package:compiler/src/source_file_provider.dart' show SourceFileProvider;
export 'package:compiler/src/source_file_provider.dart'
show SourceFileProvider, FormattingDiagnosticHandler;
class MemorySourceFileProvider extends SourceFileProvider {
Map<String, dynamic> memorySourceFiles;
/// MemorySourceFiles can contain maps of file names to string contents or
/// file names to binary contents.
MemorySourceFileProvider(Map<String, dynamic> this.memorySourceFiles);
Future<Input<List<int>>> readBytesFromUri(
Uri resourceUri, InputKind inputKind) {
if (resourceUri.scheme != 'memory') {
return super.readBytesFromUri(resourceUri, inputKind);
// TODO(johnniwinther): We should use inputs already in the cache. Some
// tests currently require that we always create a fresh input.
var source = memorySourceFiles[resourceUri.path];
if (source == null) {
return new Future.error(new Exception(
'No such memory file $resourceUri in ${memorySourceFiles.keys}'));
Input<List<int>> input;
StringSourceFile stringFile;
if (source is String) {
stringFile = new StringSourceFile.fromUri(resourceUri, source);
switch (inputKind) {
case InputKind.UTF8:
input = stringFile ?? new Utf8BytesSourceFile(resourceUri, source);
utf8SourceFiles[resourceUri] = input;
case InputKind.binary:
if (stringFile != null) {
utf8SourceFiles[resourceUri] = stringFile;
source =;
input =
binarySourceFiles[resourceUri] = new Binary(resourceUri, source);
return new Future.value(input);
Future<Input> readFromUri(Uri resourceUri,
{InputKind inputKind: InputKind.UTF8}) =>
readBytesFromUri(resourceUri, inputKind);