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Issue 2826693004: Run formatter on the analyzer. (Closed)
Patch Set: Run formatter on the analyzer. Created 3 years, 8 months ago
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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2016, 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 /// An entrypoint used to run portions of analyzer and measure its performance. 5 /// An entrypoint used to run portions of analyzer and measure its performance.
6 library analyzer_cli.tool.perf; 6 library analyzer_cli.tool.perf;
7 7
8 import 'dart:async'; 8 import 'dart:async';
9 import 'dart:io' show exit; 9 import 'dart:io' show exit;
10 10
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180 } 180 }
181 181
182 /// Scan [source] and return the first token produced by the scanner. 182 /// Scan [source] and return the first token produced by the scanner.
183 Token tokenize(Source source) { 183 Token tokenize(Source source) {
184 scanTimer.start(); 184 scanTimer.start();
185 var contents = source.contents.data; 185 var contents = source.contents.data;
186 scanTotalChars += contents.length; 186 scanTotalChars += contents.length;
187 // TODO(sigmund): is there a way to scan from a random-access-file without 187 // TODO(sigmund): is there a way to scan from a random-access-file without
188 // first converting to String? 188 // first converting to String?
189 var scanner = new Scanner(source, new CharSequenceReader(contents), 189 var scanner = new Scanner(source, new CharSequenceReader(contents),
190 AnalysisErrorListener.NULL_LISTENER)..preserveComments = false; 190 AnalysisErrorListener.NULL_LISTENER)
191 ..preserveComments = false;
191 var token = scanner.tokenize(); 192 var token = scanner.tokenize();
192 scanTimer.stop(); 193 scanTimer.stop();
193 return token; 194 return token;
194 } 195 }
195 196
196 /// Report that metric [name] took [time] micro-seconds to process 197 /// Report that metric [name] took [time] micro-seconds to process
197 /// [scanTotalChars] characters. 198 /// [scanTotalChars] characters.
198 void report(String name, int time) { 199 void report(String name, int time) {
199 var sb = new StringBuffer(); 200 var sb = new StringBuffer();
200 sb.write('$name: $time us, ${time ~/ 1000} ms'); 201 sb.write('$name: $time us, ${time ~/ 1000} ms');
201 sb.write(', ${scanTotalChars * 1000 ~/ time} chars/ms'); 202 sb.write(', ${scanTotalChars * 1000 ~/ time} chars/ms');
202 print('$sb'); 203 print('$sb');
203 } 204 }
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