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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library fasta.compile_platform; | |
| 6 | |
| 7 import 'dart:async' show Future; | |
| 8 | |
| 9 import 'dart:io' show File, IOSink; | |
| 10 | |
| 11 import 'package:analyzer/src/generated/source.dart' show Source; | |
| 12 | |
| 13 import 'package:analyzer/dart/element/element.dart' | |
| 14 show ExportElement, LibraryElement; | |
| 15 | |
| 16 import 'package:kernel/ast.dart' | |
| 17 show Field, Library, Name, Program, StringLiteral; | |
| 18 | |
| 19 import 'package:kernel/binary/ast_to_binary.dart' show BinaryPrinter; | |
| 20 | |
| 21 import 'package:kernel/analyzer/loader.dart' | |
| 22 show DartLoader, DartOptions, createDartSdk; | |
| 23 | |
| 24 import 'package:kernel/target/targets.dart' show Target, TargetFlags, getTarget; | |
| 25 | |
| 26 import 'package:kernel/ast.dart' show Program; | |
| 27 | |
| 28 import 'environment_variable.dart' | |
| 29 show EnvironmentVariableDirectory, fileExists; | |
| 30 | |
| 31 import 'errors.dart' show inputError; | |
| 32 | |
| 33 const EnvironmentVariableSdk dartAotSdk = const EnvironmentVariableSdk( | |
| 34 "DART_AOT_SDK", | |
| 35 "The environment variable 'DART_AOT_SDK' should point to a patched SDK."); | |
| 36 | |
| 37 class EnvironmentVariableSdk extends EnvironmentVariableDirectory { | |
| 38 const EnvironmentVariableSdk(String name, String what) : super(name, what); | |
| 39 | |
| 40 Future<Null> validate(String value) async { | |
| 41 Uri sdk = Uri.base.resolveUri(new Uri.directory(value)); | |
| 42 const String asyncDart = "lib/async/async.dart"; | |
| 43 if (!await fileExists(sdk, asyncDart)) { | |
| 44 inputError( | |
| 45 null, | |
| 46 null, | |
| 47 "The environment variable '$name' has the value '$value', " | |
| 48 "that's a directory that doesn't contain '$asyncDart'. $what"); | |
| 49 } | |
| 50 const String asyncSources = "lib/async/async_sources.gypi"; | |
| 51 if (await fileExists(sdk, asyncSources)) { | |
| 52 inputError( | |
| 53 null, | |
| 54 null, | |
| 55 "The environment variable '$name' has the value '$value', " | |
| 56 "that's a directory that contains '$asyncSources', so it isn't a " | |
| 57 "patched SDK. $what"); | |
| 58 } | |
| 59 return null; | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 main(List<String> arguments) async { | |
| 64 Uri output = Uri.base.resolveUri(new Uri.file(arguments.single)); | |
| 65 DartOptions options = new DartOptions( | |
| 66 strongMode: false, sdk: await dartAotSdk.value, packagePath: null); | |
| 67 Program program = new Program(); | |
| 68 DartLoader loader = new DartLoader(program, options, null, | |
| 69 ignoreRedirectingFactories: false, | |
| 70 dartSdk: createDartSdk(options.sdk, strongMode: options.strongMode)); | |
| 71 Target target = | |
| 72 getTarget("vm", new TargetFlags(strongMode: options.strongMode)); | |
| 73 loader.loadProgram(Uri.base.resolve("pkg/fasta/test/platform.dart"), | |
| 74 target: target); | |
| 75 if (loader.errors.isNotEmpty) { | |
| 76 inputError(null, null, loader.errors.join("\n")); | |
| 77 } | |
| 78 Library mainLibrary = program.mainMethod.enclosingLibrary; | |
| 79 program.uriToSource.remove(mainLibrary.fileUri); | |
| 80 program = new Program( | |
| 81 program.libraries | |
| 82 .where((Library l) => l.importUri.scheme == "dart") | |
| 83 .toList(), | |
| 84 program.uriToSource); | |
| 85 target.performModularTransformations(program); | |
| 86 target.performGlobalTransformations(program); | |
| 87 for (LibraryElement analyzerLibrary in loader.libraryElements) { | |
| 88 Library library = loader.getLibraryReference(analyzerLibrary); | |
| 89 StringBuffer sb = new StringBuffer(); | |
| 90 if (analyzerLibrary.exports.isNotEmpty) { | |
| 91 Source source; | |
| 92 int offset; | |
| 93 for (ExportElement export in analyzerLibrary.exports) { | |
| 94 source ??= export.source; | |
| 95 offset ??= export.nameOffset; | |
| 96 Uri uri = export.exportedLibrary.source.uri; | |
| 97 sb.write("export '"); | |
| 98 sb.write(uri); | |
| 99 sb.write("'"); | |
| 100 if (export.combinators.isNotEmpty) { | |
| 101 sb.write(" "); | |
| 102 sb.writeAll(export.combinators, " "); | |
| 103 } | |
| 104 sb.write(";"); | |
| 105 } | |
| 106 Name exports = new Name("_exports#", library); | |
| 107 StringLiteral literal = new StringLiteral("$sb")..fileOffset = offset; | |
| 108 library.addMember(new Field(exports, | |
| 109 isStatic: true, | |
| 110 isConst: true, | |
| 111 initializer: literal, | |
| 112 fileUri: "${new Uri.file(source.fullName)}")..fileOffset = offset); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 IOSink sink = new File.fromUri(output).openWrite(); | |
| 117 new BinaryPrinter(sink).writeProgramFile(program); | |
| 118 await sink.close(); | |
| 119 } | |
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Chromium Code Reviews
Issue 2723113002:
Consolidate analyzer dependencies. (Closed)
