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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 library frame; | 5 library frame; |
6 | 6 |
7 | 7 |
8 import 'package:path/path.dart' as path; | 8 import 'package:path/path.dart' as path; |
9 | 9 |
10 import 'trace.dart'; | 10 import 'trace.dart'; |
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40 final _firefoxFrame = new RegExp( | 40 final _firefoxFrame = new RegExp( |
41 r'^([^@(/]*)(?:\(.*\))?((?:/[^/]*)*)(?:\(.*\))?@(.*):(\d+)$'); | 41 r'^([^@(/]*)(?:\(.*\))?((?:/[^/]*)*)(?:\(.*\))?@(.*):(\d+)$'); |
42 | 42 |
43 // foo/bar.dart 10:11 in Foo._bar | 43 // foo/bar.dart 10:11 in Foo._bar |
44 // http://dartlang.org/foo/bar.dart in Foo._bar | 44 // http://dartlang.org/foo/bar.dart in Foo._bar |
45 final _friendlyFrame = new RegExp( | 45 final _friendlyFrame = new RegExp( |
46 r'^(\S+)(?: (\d+)(?::(\d+))?)?\s+([^\d]\S*)$'); | 46 r'^(\S+)(?: (\d+)(?::(\d+))?)?\s+([^\d]\S*)$'); |
47 | 47 |
48 final _initialDot = new RegExp(r"^\."); | 48 final _initialDot = new RegExp(r"^\."); |
49 | 49 |
50 /// "dart:" libraries that are incorrectly reported without a "dart:" prefix. | |
51 /// | |
52 /// See issue 11901. All these libraries should be in "dart:io". | |
53 final _ioLibraries = new Set.from([ | |
54 new Uri(path: 'timer_impl.dart'), | |
55 new Uri(path: 'http_impl.dart'), | |
56 new Uri(path: 'http_parser.dart') | |
57 ]); | |
58 | |
59 /// A single stack frame. Each frame points to a precise location in Dart code. | 50 /// A single stack frame. Each frame points to a precise location in Dart code. |
60 class Frame { | 51 class Frame { |
61 /// The URI of the file in which the code is located. | 52 /// The URI of the file in which the code is located. |
62 /// | 53 /// |
63 /// This URI will usually have the scheme `dart`, `file`, `http`, or `https`. | 54 /// This URI will usually have the scheme `dart`, `file`, `http`, or `https`. |
64 final Uri uri; | 55 final Uri uri; |
65 | 56 |
66 /// The line number on which the code location is located. | 57 /// The line number on which the code location is located. |
67 /// | 58 /// |
68 /// This can be null, indicating that the line number is unknown or | 59 /// This can be null, indicating that the line number is unknown or |
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128 | 119 |
129 var match = _vmFrame.firstMatch(frame); | 120 var match = _vmFrame.firstMatch(frame); |
130 if (match == null) { | 121 if (match == null) { |
131 throw new FormatException("Couldn't parse VM stack trace line '$frame'."); | 122 throw new FormatException("Couldn't parse VM stack trace line '$frame'."); |
132 } | 123 } |
133 | 124 |
134 // Get the pieces out of the regexp match. Function, URI and line should | 125 // Get the pieces out of the regexp match. Function, URI and line should |
135 // always be found. The column is optional. | 126 // always be found. The column is optional. |
136 var member = match[1].replaceAll("<anonymous closure>", "<fn>"); | 127 var member = match[1].replaceAll("<anonymous closure>", "<fn>"); |
137 var uri = Uri.parse(match[2]); | 128 var uri = Uri.parse(match[2]); |
138 if (_ioLibraries.contains(uri)) uri = Uri.parse('dart:io/${uri.path}'); | |
139 var line = int.parse(match[3]); | 129 var line = int.parse(match[3]); |
140 var column = null; | 130 var column = null; |
141 var columnMatch = match[4]; | 131 var columnMatch = match[4]; |
142 if (columnMatch != null) { | 132 if (columnMatch != null) { |
143 column = int.parse(columnMatch); | 133 column = int.parse(columnMatch); |
144 } | 134 } |
145 return new Frame(uri, line, column, member); | 135 return new Frame(uri, line, column, member); |
146 } | 136 } |
147 | 137 |
148 /// Parses a string representation of a Chrome/V8 stack frame. | 138 /// Parses a string representation of a Chrome/V8 stack frame. |
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278 // their stack frames. However, if we do get a relative path, we should | 268 // their stack frames. However, if we do get a relative path, we should |
279 // handle it gracefully. | 269 // handle it gracefully. |
280 if (uriOrPath.contains('\\')) return path.windows.toUri(uriOrPath); | 270 if (uriOrPath.contains('\\')) return path.windows.toUri(uriOrPath); |
281 return Uri.parse(uriOrPath); | 271 return Uri.parse(uriOrPath); |
282 } | 272 } |
283 | 273 |
284 Frame(this.uri, this.line, this.column, this.member); | 274 Frame(this.uri, this.line, this.column, this.member); |
285 | 275 |
286 String toString() => '$location in $member'; | 276 String toString() => '$location in $member'; |
287 } | 277 } |
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