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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 /// Dart classes representing the souce spans and source files. | 5 /// Dart classes representing the souce spans and source files. |
6 library source_maps.span; | 6 library source_maps.span; |
7 | 7 |
8 import 'dart:math' show min, max; | 8 import 'dart:math' show min, max; |
9 | 9 |
10 import 'package:path/path.dart' as p; | 10 import 'package:path/path.dart' as p; |
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57 int d = start.compareTo(other.start); | 57 int d = start.compareTo(other.start); |
58 return d == 0 ? end.compareTo(other.end) : d; | 58 return d == 0 ? end.compareTo(other.end) : d; |
59 } | 59 } |
60 | 60 |
61 /// Gets the location in standard printed form `filename:line:column`, where | 61 /// Gets the location in standard printed form `filename:line:column`, where |
62 /// line and column are adjusted by 1 to match the convention in editors. | 62 /// line and column are adjusted by 1 to match the convention in editors. |
63 String get formatLocation => start.formatString; | 63 String get formatLocation => start.formatString; |
64 | 64 |
65 String getLocationMessage(String message, | 65 String getLocationMessage(String message, |
66 {bool useColors: false, String color}) { | 66 {bool useColors: false, String color}) { |
67 return '$formatLocation: $message'; | 67 var source = url == null ? '' : ' of ${p.prettyUri(url)}'; |
| 68 return 'line ${start.line + 1}, column ${start.column + 1}$source: ' + |
| 69 message; |
68 } | 70 } |
69 | 71 |
70 bool operator ==(Span other) => | 72 bool operator ==(Span other) => |
71 sourceUrl == other.sourceUrl && start == other.start && end == other.end; | 73 sourceUrl == other.sourceUrl && start == other.start && end == other.end; |
72 | 74 |
73 int get hashCode => sourceUrl.hashCode + start.offset + (31 * length); | 75 int get hashCode => sourceUrl.hashCode + start.offset + (31 * length); |
74 | 76 |
75 String toString() => '<$runtimeType: $start $end $formatLocation $text>'; | 77 String toString() => '<$runtimeType: $start $end $formatLocation $text>'; |
76 } | 78 } |
77 | 79 |
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368 | 370 |
369 /// The span associated with this exception. | 371 /// The span associated with this exception. |
370 /// | 372 /// |
371 /// This may be `null` if the source location can't be determined. | 373 /// This may be `null` if the source location can't be determined. |
372 final Span span; | 374 final Span span; |
373 | 375 |
374 SpanException(this.message, this.span); | 376 SpanException(this.message, this.span); |
375 | 377 |
376 String toString({bool useColors: false, String color}) { | 378 String toString({bool useColors: false, String color}) { |
377 if (span == null) return message; | 379 if (span == null) return message; |
378 return span.getLocationMessage(message, useColors: useColors, color: color); | 380 return "Error on " + span.getLocationMessage(message, |
| 381 useColors: useColors, color: color); |
379 } | 382 } |
380 } | 383 } |
381 | 384 |
382 /// A [SpanException] that's also a [FormatException]. | 385 /// A [SpanException] that's also a [FormatException]. |
383 class SpanFormatException extends SpanException implements FormatException { | 386 class SpanFormatException extends SpanException implements FormatException { |
384 SpanFormatException(String message, Span span) | 387 SpanFormatException(String message, Span span) |
385 : super(message, span); | 388 : super(message, span); |
386 } | 389 } |
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