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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 source_map_builder; | 5 library source_map_builder; |
6 | 6 |
7 import 'dart:uri'; | |
8 | 7 |
9 import 'util/util.dart'; | 8 import 'util/util.dart'; |
10 import 'scanner/scannerlib.dart' show Token; | 9 import 'scanner/scannerlib.dart' show Token; |
11 import 'source_file.dart'; | 10 import 'source_file.dart'; |
12 import 'util/uri_extras.dart' show relativize; | 11 import 'util/uri_extras.dart' show relativize; |
13 | 12 |
14 class SourceMapBuilder { | 13 class SourceMapBuilder { |
15 static const int VLQ_BASE_SHIFT = 5; | 14 static const int VLQ_BASE_SHIFT = 5; |
16 static const int VLQ_BASE_MASK = (1 << 5) - 1; | 15 static const int VLQ_BASE_MASK = (1 << 5) - 1; |
17 static const int VLQ_CONTINUATION_BIT = 1 << 5; | 16 static const int VLQ_CONTINUATION_BIT = 1 << 5; |
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192 | 191 |
193 int getColumn() => sourceFile.getColumn(getLine(), token.charOffset); | 192 int getColumn() => sourceFile.getColumn(getLine(), token.charOffset); |
194 | 193 |
195 String getSourceName() { | 194 String getSourceName() { |
196 if (token.isIdentifier()) return token.slowToString(); | 195 if (token.isIdentifier()) return token.slowToString(); |
197 return null; | 196 return null; |
198 } | 197 } |
199 | 198 |
200 bool isValid() => token.charOffset < sourceFile.text.length; | 199 bool isValid() => token.charOffset < sourceFile.text.length; |
201 } | 200 } |
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