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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, 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 /// A command-line tool that verifies that deferred libraries split the code as | 5 /// A command-line tool that verifies that deferred libraries split the code as |
6 /// expected. | 6 /// expected. |
7 /// This tool checks that the output from dart2js meets a given specification, | 7 /// This tool checks that the output from dart2js meets a given specification, |
8 /// given in a YAML file. The format of the YAML file is: | 8 /// given in a YAML file. The format of the YAML file is: |
9 /// | 9 /// |
10 /// main: | 10 /// main: |
(...skipping 22 matching lines...) Expand all Loading... |
33 /// The names for parts given in the specification YAML file (besides "main") | 33 /// The names for parts given in the specification YAML file (besides "main") |
34 /// are arbitrary and just used for reporting when the output does not meet the | 34 /// are arbitrary and just used for reporting when the output does not meet the |
35 /// specification. | 35 /// specification. |
36 library dart2js_info.bin.deferred_library_check; | 36 library dart2js_info.bin.deferred_library_check; |
37 | 37 |
38 import 'dart:async'; | 38 import 'dart:async'; |
39 import 'dart:convert'; | 39 import 'dart:convert'; |
40 import 'dart:io'; | 40 import 'dart:io'; |
41 | 41 |
42 import 'package:dart2js_info/info.dart'; | 42 import 'package:dart2js_info/info.dart'; |
43 import 'package:quiver/collection.dart'; | 43 import 'package:dart2js_info/deferred_library_check.dart'; |
44 import 'package:yaml/yaml.dart'; | 44 import 'package:yaml/yaml.dart'; |
45 | 45 |
46 Future main(List<String> args) async { | 46 Future main(List<String> args) async { |
47 if (args.length < 2) { | 47 if (args.length < 2) { |
48 usage(); | 48 usage(); |
49 exit(1); | 49 exit(1); |
50 } | 50 } |
51 var info = await infoFromFile(args[0]); | 51 var info = await infoFromFile(args[0]); |
52 var manifest = await manifestFromFile(args[1]); | 52 var manifest = await manifestFromFile(args[1]); |
53 | 53 |
54 // For each part in the manifest, record the expected "packages" for that | 54 var failures = checkDeferredLibraryManifest(info, manifest); |
55 // part. | 55 failures.forEach(print); |
56 var packages = <String, String>{}; | 56 if (failures.isNotEmpty) exitCode = 1; |
57 for (var part in manifest.keys) { | |
58 for (var package in manifest[part]['packages']) { | |
59 if (packages.containsKey(package)) { | |
60 print('You cannot specify that package "$package" maps to both parts ' | |
61 '"$part" and "${packages[package]}".'); | |
62 exit(1); | |
63 } | |
64 packages[package] = part; | |
65 } | |
66 } | |
67 | |
68 var guessedPartMapping = new BiMap<String, String>(); | |
69 guessedPartMapping['main'] = 'main'; | |
70 | |
71 bool anyFailed = false; | |
72 | |
73 checkInfo(BasicInfo info) { | |
74 var lib = getLibraryOf(info); | |
75 if (lib != null && isPackageUri(lib.uri)) { | |
76 var packageName = getPackageName(lib.uri); | |
77 var outputUnitName = info.outputUnit.name; | |
78 var expectedPart; | |
79 if (packages.containsKey(packageName)) { | |
80 expectedPart = packages[packageName]; | |
81 } else { | |
82 expectedPart = 'main'; | |
83 } | |
84 var expectedOutputUnit = guessedPartMapping[expectedPart]; | |
85 if (expectedOutputUnit == null) { | |
86 guessedPartMapping[expectedPart] = outputUnitName; | |
87 } else { | |
88 if (expectedOutputUnit != outputUnitName) { | |
89 // TODO(het): add options for how to treat unspecified packages | |
90 if (!packages.containsKey(packageName)) { | |
91 print('"${info.name}" from package "$packageName" was not declared ' | |
92 'to be in an explicit part but was not in the main part'); | |
93 } else { | |
94 var actualPart = guessedPartMapping.inverse[outputUnitName]; | |
95 print('"${info.name}" from package "$packageName" was specified to ' | |
96 'be in part $expectedPart but is in part $actualPart'); | |
97 } | |
98 anyFailed = true; | |
99 } | |
100 } | |
101 } | |
102 } | |
103 | |
104 info.functions.forEach(checkInfo); | |
105 info.fields.forEach(checkInfo); | |
106 if (anyFailed) { | |
107 print('The dart2js output did not meet the specification.'); | |
108 } else { | |
109 print('The dart2js output meets the specification'); | |
110 } | |
111 } | |
112 | |
113 LibraryInfo getLibraryOf(Info info) { | |
114 var current = info; | |
115 while (current is! LibraryInfo) { | |
116 if (current == null) { | |
117 return null; | |
118 } | |
119 current = current.parent; | |
120 } | |
121 return current; | |
122 } | |
123 | |
124 bool isPackageUri(Uri uri) => uri.scheme == 'package'; | |
125 | |
126 String getPackageName(Uri uri) { | |
127 assert(isPackageUri(uri)); | |
128 return uri.pathSegments.first; | |
129 } | 57 } |
130 | 58 |
131 Future<AllInfo> infoFromFile(String fileName) async { | 59 Future<AllInfo> infoFromFile(String fileName) async { |
132 var file = await new File(fileName).readAsString(); | 60 var file = await new File(fileName).readAsString(); |
133 return new AllInfoJsonCodec().decode(JSON.decode(file)); | 61 return new AllInfoJsonCodec().decode(JSON.decode(file)); |
134 } | 62 } |
135 | 63 |
136 Future manifestFromFile(String fileName) async { | 64 Future manifestFromFile(String fileName) async { |
137 var file = await new File(fileName).readAsString(); | 65 var file = await new File(fileName).readAsString(); |
138 return loadYaml(file); | 66 return loadYaml(file); |
139 } | 67 } |
140 | 68 |
141 void usage() { | 69 void usage() { |
142 print(''' | 70 print(''' |
143 usage: dart2js_info_deferred_library_check dump.info.json manifest.yaml'''); | 71 usage: dart2js_info_deferred_library_check dump.info.json manifest.yaml'''); |
144 } | 72 } |
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