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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 engine.incremental_logger; | 5 library analyzer.src.generated.incremental_logger; |
| 6 | 6 |
| 7 /** | 7 /** |
| 8 * The shared instance of [Logger] used by several incremental resolution | 8 * The shared instance of [Logger] used by several incremental resolution |
| 9 * classes. It is initialized externally by the Analysis Engine client. | 9 * classes. It is initialized externally by the Analysis Engine client. |
| 10 */ | 10 */ |
| 11 Logger logger = NULL_LOGGER; | 11 Logger logger = NULL_LOGGER; |
| 12 | 12 |
| 13 /** | 13 /** |
| 14 * An instance of [Logger] that does not print anything. | 14 * An instance of [Logger] that does not print anything. |
| 15 */ | 15 */ |
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| 33 * Mark an exit from the current sections, logs the duration. | 33 * Mark an exit from the current sections, logs the duration. |
| 34 */ | 34 */ |
| 35 void exit(); | 35 void exit(); |
| 36 | 36 |
| 37 /** | 37 /** |
| 38 * Logs the given [obj]. | 38 * Logs the given [obj]. |
| 39 */ | 39 */ |
| 40 void log(Object obj); | 40 void log(Object obj); |
| 41 | 41 |
| 42 /** | 42 /** |
| 43 * Logs the given [exception] and [stackTrace]. |
| 44 */ |
| 45 void logException(Object exception, [Object stackTrace]); |
| 46 |
| 47 /** |
| 43 * Starts a new timer. | 48 * Starts a new timer. |
| 44 */ | 49 */ |
| 45 LoggingTimer startTimer(); | 50 LoggingTimer startTimer(); |
| 46 } | 51 } |
| 47 | 52 |
| 48 /** | 53 /** |
| 49 * The handle of a timer. | 54 * The handle of a timer. |
| 50 */ | 55 */ |
| 51 class LoggingTimer { | 56 class LoggingTimer { |
| 52 final Logger _logger; | 57 final Logger _logger; |
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| 95 @override | 100 @override |
| 96 void log(Object obj) { | 101 void log(Object obj) { |
| 97 DateTime now = new DateTime.now(); | 102 DateTime now = new DateTime.now(); |
| 98 String indent = _section.indent; | 103 String indent = _section.indent; |
| 99 String objStr = _getObjectString(obj); | 104 String objStr = _getObjectString(obj); |
| 100 String line = '[$now] $indent$objStr'; | 105 String line = '[$now] $indent$objStr'; |
| 101 _sink.writeln(line); | 106 _sink.writeln(line); |
| 102 } | 107 } |
| 103 | 108 |
| 104 @override | 109 @override |
| 110 void logException(Object exception, [Object stackTrace]) { |
| 111 if (exception != null) { |
| 112 log(exception); |
| 113 } |
| 114 if (stackTrace != null) { |
| 115 log(stackTrace); |
| 116 } |
| 117 } |
| 118 |
| 119 @override |
| 105 LoggingTimer startTimer() { | 120 LoggingTimer startTimer() { |
| 106 return new LoggingTimer(this); | 121 return new LoggingTimer(this); |
| 107 } | 122 } |
| 108 | 123 |
| 109 String _getObjectString(Object obj) { | 124 String _getObjectString(Object obj) { |
| 110 if (obj == null) { | 125 if (obj == null) { |
| 111 return 'null'; | 126 return 'null'; |
| 112 } | 127 } |
| 113 if (obj is Function) { | 128 if (obj is Function) { |
| 114 obj = obj(); | 129 obj = obj(); |
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| 140 @override | 155 @override |
| 141 void enter(String name) {} | 156 void enter(String name) {} |
| 142 | 157 |
| 143 @override | 158 @override |
| 144 void exit() {} | 159 void exit() {} |
| 145 | 160 |
| 146 @override | 161 @override |
| 147 void log(Object obj) {} | 162 void log(Object obj) {} |
| 148 | 163 |
| 149 @override | 164 @override |
| 165 void logException(Object exception, [Object stackTrace]) {} |
| 166 |
| 167 @override |
| 150 LoggingTimer startTimer() { | 168 LoggingTimer startTimer() { |
| 151 return new LoggingTimer(this); | 169 return new LoggingTimer(this); |
| 152 } | 170 } |
| 153 } | 171 } |
| 154 | 172 |
| 155 /** | 173 /** |
| 156 * A [StringSink] implementation that uses `print`. | 174 * A [StringSink] implementation that uses `print`. |
| 157 */ | 175 */ |
| 158 class _PrintStringSink implements StringSink { | 176 class _PrintStringSink implements StringSink { |
| 159 String _line = ''; | 177 String _line = ''; |
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| 177 _line += new String.fromCharCode(charCode); | 195 _line += new String.fromCharCode(charCode); |
| 178 } | 196 } |
| 179 | 197 |
| 180 @override | 198 @override |
| 181 void writeln([Object obj = '']) { | 199 void writeln([Object obj = '']) { |
| 182 _line += obj; | 200 _line += obj; |
| 183 print(_line); | 201 print(_line); |
| 184 _line = ''; | 202 _line = ''; |
| 185 } | 203 } |
| 186 } | 204 } |
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