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Side by Side Diff: pkg/front_end/tool/fasta_perf.dart

Issue 2850783002: Dart SDK Spelling b, c, and d. (Closed)
Patch Set: Created 3 years, 7 months ago
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1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2017, 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 fasta and measure its performance. 5 /// An entrypoint used to run portions of fasta and measure its performance.
6 library front_end.tool.fasta_perf; 6 library front_end.tool.fasta_perf;
7 7
8 import 'dart:async'; 8 import 'dart:async';
9 import 'dart:io'; 9 import 'dart:io';
10 10
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190 // bodies. So this listener is not feature complete. 190 // bodies. So this listener is not feature complete.
191 class _PartialAstBuilder extends AstBuilder { 191 class _PartialAstBuilder extends AstBuilder {
192 _PartialAstBuilder(Uri uri) : super(null, null, null, null, null, uri); 192 _PartialAstBuilder(Uri uri) : super(null, null, null, null, null, uri);
193 193
194 // Note: this method converts the body to kernel, so we skip that here. 194 // Note: this method converts the body to kernel, so we skip that here.
195 @override 195 @override
196 finishFunction(formals, asyncModifier, body) {} 196 finishFunction(formals, asyncModifier, body) {}
197 } 197 }
198 198
199 // Invoke the fasta kernel generator for the program starting in [entryUri] 199 // Invoke the fasta kernel generator for the program starting in [entryUri]
200 // TODO(sigmund): update to uyse the frontend api once fasta is beind hit. 200 // TODO(sigmund): update to use the frontend api once fasta is being hit.
201 generateKernel(Uri entryUri, 201 generateKernel(Uri entryUri,
202 {bool compileSdk: true, bool strongMode: false}) async { 202 {bool compileSdk: true, bool strongMode: false}) async {
203 // TODO(sigmund): this is here only to compute the input size, 203 // TODO(sigmund): this is here only to compute the input size,
204 // we should extract the input size from the frontend instead. 204 // we should extract the input size from the frontend instead.
205 scanReachableFiles(entryUri); 205 scanReachableFiles(entryUri);
206 206
207 var timer = new Stopwatch()..start(); 207 var timer = new Stopwatch()..start();
208 final Ticker ticker = new Ticker(); 208 final Ticker ticker = new Ticker();
209 final DillTarget dillTarget = new DillTarget(ticker, uriResolver); 209 final DillTarget dillTarget = new DillTarget(ticker, uriResolver);
210 final KernelTarget kernelTarget = 210 final KernelTarget kernelTarget =
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245 /// Report that metric [name] took [time] micro-seconds to process 245 /// Report that metric [name] took [time] micro-seconds to process
246 /// [inputSize] characters. 246 /// [inputSize] characters.
247 void report(String name, int time) { 247 void report(String name, int time) {
248 var sb = new StringBuffer(); 248 var sb = new StringBuffer();
249 var padding = ' ' * (20 - name.length); 249 var padding = ' ' * (20 - name.length);
250 sb.write('$name:$padding $time us, ${time ~/ 1000} ms'); 250 sb.write('$name:$padding $time us, ${time ~/ 1000} ms');
251 var invSpeed = (time * 1000 / inputSize).toStringAsFixed(2); 251 var invSpeed = (time * 1000 / inputSize).toStringAsFixed(2);
252 sb.write(', $invSpeed ns/char'); 252 sb.write(', $invSpeed ns/char');
253 print('$sb'); 253 print('$sb');
254 } 254 }
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