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1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import 'dart:async' show Future; | 5 import 'dart:async' show Future; |
6 | 6 |
7 import 'dart:io' show Directory, Platform; | 7 import 'dart:io' show Directory, File, Platform; |
8 | 8 |
9 import 'dart:isolate' show Isolate; | 9 import 'dart:isolate' show Isolate; |
10 | 10 |
11 import 'package:async_helper/async_helper.dart' show asyncEnd, asyncStart; | 11 import 'package:async_helper/async_helper.dart' show asyncEnd, asyncStart; |
12 | 12 |
13 import 'package:front_end/src/fasta/testing/kernel_chain.dart' | 13 import 'package:front_end/src/fasta/testing/kernel_chain.dart' |
14 show computePatchedSdk; | 14 show computePatchedSdk; |
15 | 15 |
16 import 'package:testing/testing.dart' show StdioProcess; | 16 import 'package:testing/testing.dart' show StdioProcess; |
17 | 17 |
| 18 import 'package:kernel/binary/ast_from_binary.dart' show BinaryBuilder; |
| 19 |
| 20 import 'package:kernel/ast.dart' show Program; |
| 21 |
| 22 import 'package:kernel/text/ast_to_text.dart' show programToString; |
| 23 |
18 Future main() async { | 24 Future main() async { |
19 asyncStart(); | 25 asyncStart(); |
20 Uri sourceCompiler = await Isolate.resolvePackageUri( | 26 Uri sourceCompiler = await Isolate.resolvePackageUri( |
21 Uri.parse("package:front_end/src/fasta/bin/compile.dart")); | 27 Uri.parse("package:front_end/src/fasta/bin/compile.dart")); |
| 28 Uri outline = await Isolate.resolvePackageUri( |
| 29 Uri.parse("package:front_end/src/fasta/bin/outline.dart")); |
22 Uri packages = await Isolate.packageConfig; | 30 Uri packages = await Isolate.packageConfig; |
23 Directory tmp = await Directory.systemTemp.createTemp("fasta_bootstrap"); | 31 Directory tmp = await Directory.systemTemp.createTemp("fasta_bootstrap"); |
24 Uri compiledOnceOutput = tmp.uri.resolve("fasta1.dill"); | 32 Uri compiledOnceOutput = tmp.uri.resolve("fasta1.dill"); |
25 Uri compiledTwiceOutput = tmp.uri.resolve("fasta2.dill"); | 33 Uri compiledTwiceOutput = tmp.uri.resolve("fasta2.dill"); |
| 34 Uri outlineOutput = tmp.uri.resolve("outline.dill"); |
26 try { | 35 try { |
27 await runCompiler(sourceCompiler, sourceCompiler, compiledOnceOutput); | 36 await runCompiler(sourceCompiler, sourceCompiler, compiledOnceOutput); |
28 await runCompiler(compiledOnceOutput, sourceCompiler, compiledTwiceOutput); | 37 await runCompiler(compiledOnceOutput, sourceCompiler, compiledTwiceOutput); |
| 38 await compare(compiledOnceOutput, compiledTwiceOutput); |
| 39 await runCompiler(compiledTwiceOutput, outline, outlineOutput); |
| 40 try { |
| 41 // Test that compare actually works by comparing the compile program to |
| 42 // the outline program (which are different, but similar). |
| 43 await compare(compiledOnceOutput, outlineOutput, silent: true); |
| 44 throw "Expected an error."; |
| 45 } on ComparisonFailed { |
| 46 // Expected. |
| 47 } |
29 } finally { | 48 } finally { |
30 await tmp.delete(recursive: true); | 49 await tmp.delete(recursive: true); |
31 } | 50 } |
32 asyncEnd(); | 51 asyncEnd(); |
33 } | 52 } |
34 | 53 |
35 Future runCompiler(Uri compiler, Uri input, Uri output) async { | 54 Future runCompiler(Uri compiler, Uri input, Uri output) async { |
36 Uri patchedSdk = await computePatchedSdk(); | 55 Uri patchedSdk = await computePatchedSdk(); |
37 Uri dartVm = Uri.base.resolve(Platform.resolvedExecutable); | 56 Uri dartVm = Uri.base.resolve(Platform.resolvedExecutable); |
38 StdioProcess result = await StdioProcess.run(dartVm.toFilePath(), <String>[ | 57 StdioProcess result = await StdioProcess.run(dartVm.toFilePath(), <String>[ |
39 "-c", | 58 "-c", |
40 compiler.toFilePath(), | 59 compiler.toFilePath(), |
41 "--compile-sdk=${patchedSdk.toFilePath()}", | 60 "--compile-sdk=${patchedSdk.toFilePath()}", |
42 "--output=${output.toFilePath()}", | 61 "--output=${output.toFilePath()}", |
43 "--verify", | 62 "--verify", |
44 input.toFilePath(), | 63 input.toFilePath(), |
45 ]); | 64 ]); |
46 print(result.output); | 65 print(result.output); |
47 if (result.exitCode != 0) { | 66 if (result.exitCode != 0) { |
48 throw "Compilation failed."; | 67 throw "Compilation failed."; |
49 } | 68 } |
50 } | 69 } |
| 70 |
| 71 Future compare(Uri a, Uri b, {bool silent: false}) async { |
| 72 List<int> bytesA = await new File.fromUri(a).readAsBytes(); |
| 73 List<int> bytesB = await new File.fromUri(b).readAsBytes(); |
| 74 if (bytesA.length == bytesB.length) { |
| 75 bool same = true; |
| 76 for (int i = 0; i < bytesA.length; i++) { |
| 77 if (bytesA[i] != bytesB[i]) { |
| 78 same = false; |
| 79 break; |
| 80 } |
| 81 } |
| 82 if (same) return; |
| 83 } |
| 84 if (!silent) { |
| 85 print("$a is different from $b"); |
| 86 } |
| 87 Program programA = new Program(); |
| 88 Program programB = new Program(); |
| 89 new BinaryBuilder(bytesA, a.toFilePath()).readProgram(programA); |
| 90 new BinaryBuilder(bytesB, b.toFilePath()).readProgram(programB); |
| 91 RegExp splitLines = new RegExp('^', multiLine: true); |
| 92 List<String> linesA = programToString(programA).split(splitLines); |
| 93 List<String> linesB = programToString(programB).split(splitLines); |
| 94 for (int i = 0; i < linesA.length && i < linesB.length; i++) { |
| 95 String lineA = linesA[i].trimRight(); |
| 96 String lineB = linesB[i].trimRight(); |
| 97 if (lineA != lineB) { |
| 98 String diffHunk = "${i}c$i\n>$lineA\n---\n<$lineB"; |
| 99 if (!silent) { |
| 100 print(diffHunk); |
| 101 } |
| 102 } |
| 103 } |
| 104 throw new ComparisonFailed(a, b); |
| 105 } |
| 106 |
| 107 class ComparisonFailed { |
| 108 final Uri a; |
| 109 final Uri b; |
| 110 |
| 111 ComparisonFailed(this.a, this.b); |
| 112 |
| 113 toString() => "Error: $a is different from $b"; |
| 114 } |
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