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

Issue 2981693002: Start copying resolution/inference data from front end to analyzer ASTs. (Closed)
Patch Set: Address code review comments. Created 3 years, 5 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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187 /// Parse the full body of [source]. 187 /// Parse the full body of [source].
188 parseFull(Uri uri, List<int> source) { 188 parseFull(Uri uri, List<int> source) {
189 var tokens = tokenize(source); 189 var tokens = tokenize(source);
190 Parser parser = new Parser(new _PartialAstBuilder(uri)); 190 Parser parser = new Parser(new _PartialAstBuilder(uri));
191 parser.parseUnit(tokens); 191 parser.parseUnit(tokens);
192 } 192 }
193 193
194 // Note: AstBuilder doesn't build compilation-units or classes, only method 194 // Note: AstBuilder doesn't build compilation-units or classes, only method
195 // bodies. So this listener is not feature complete. 195 // bodies. So this listener is not feature complete.
196 class _PartialAstBuilder extends AstBuilder { 196 class _PartialAstBuilder extends AstBuilder {
197 _PartialAstBuilder(Uri uri) : super(null, null, null, null, null, true, uri); 197 _PartialAstBuilder(Uri uri)
198 : super(null, null, null, null, null, true, true, uri);
198 199
199 // Note: this method converts the body to kernel, so we skip that here. 200 // Note: this method converts the body to kernel, so we skip that here.
200 @override 201 @override
201 finishFunction(annotations, formals, asyncModifier, body) {} 202 finishFunction(annotations, formals, asyncModifier, body) {}
202 } 203 }
203 204
204 // Invoke the fasta kernel generator for the program starting in [entryUri] 205 // Invoke the fasta kernel generator for the program starting in [entryUri]
205 generateKernel(Uri entryUri, 206 generateKernel(Uri entryUri,
206 {bool compileSdk: true, bool strongMode: false}) async { 207 {bool compileSdk: true, bool strongMode: false}) async {
207 // TODO(sigmund): this is here only to compute the input size, 208 // TODO(sigmund): this is here only to compute the input size,
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245 /// Report that metric [name] took [time] micro-seconds to process 246 /// Report that metric [name] took [time] micro-seconds to process
246 /// [inputSize] characters. 247 /// [inputSize] characters.
247 void report(String name, int time) { 248 void report(String name, int time) {
248 var sb = new StringBuffer(); 249 var sb = new StringBuffer();
249 var padding = ' ' * (20 - name.length); 250 var padding = ' ' * (20 - name.length);
250 sb.write('$name:$padding $time us, ${time ~/ 1000} ms'); 251 sb.write('$name:$padding $time us, ${time ~/ 1000} ms');
251 var invSpeed = (time * 1000 / inputSize).toStringAsFixed(2); 252 var invSpeed = (time * 1000 / inputSize).toStringAsFixed(2);
252 sb.write(', $invSpeed ns/char'); 253 sb.write(', $invSpeed ns/char');
253 print('$sb'); 254 print('$sb');
254 } 255 }
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