Tess Strickland
1fb0c0c231
This CL only adds the option and appropriate uses of it. Followup CLs will use it to actually generate appropriate instructions and metadata for collecting coverage information. TEST=ci (just adding flag) Cq-Include-Trybots: luci.dart.try:vm-dyn-linux-debug-x64-try,vm-aot-dyn-linux-debug-x64-try,vm-aot-dyn-linux-product-x64-try Change-Id: I194154ef926abe7dae8bb93f397fb68029e2db3c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/501500 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Tess Strickland <sstrickl@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
86 lines
2.8 KiB
Dart
86 lines
2.8 KiB
Dart
// Copyright (c) 2024, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// Collection of options for bytecode generator.
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class BytecodeOptions {
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static Map<String, String> commandLineFlags = {
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'annotations': 'Emit Dart annotations',
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'local-var-info': 'Emit debug information about local variables',
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'show-bytecode-size-stat': 'Show bytecode size breakdown',
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'source-positions': 'Emit source positions',
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'instance-field-initializers': 'Emit separate instance field initializers',
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'keep-unreachable-code':
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'Do not remove unreachable code (useful if collecting code coverage)',
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'closure-context-lowering':
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'Use the closure context lowering in Kernel AST instead of computing it',
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'embed-source-text': 'Embed the source text of scripts',
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'record-coverage': 'Emit instructions and metadata for recording coverage',
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};
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bool enableAsserts;
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bool emitSourcePositions;
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bool emitLocalVarInfo;
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bool emitAnnotations;
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bool emitInstanceFieldInitializers;
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bool omitAssertSourcePositions;
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bool keepUnreachableCode;
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bool showBytecodeSizeStatistics;
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bool isClosureContextLoweringEnabled;
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bool embedSourceText;
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bool recordCoverage;
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BytecodeOptions({
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this.enableAsserts = false,
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this.emitSourcePositions = false,
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this.emitLocalVarInfo = false,
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this.emitAnnotations = false,
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this.emitInstanceFieldInitializers = false,
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this.omitAssertSourcePositions = false,
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this.keepUnreachableCode = false,
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this.showBytecodeSizeStatistics = false,
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this.isClosureContextLoweringEnabled = false,
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this.embedSourceText = false,
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this.recordCoverage = false,
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}) {}
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void parseCommandLineFlags(List<String>? flags) {
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if (flags == null) {
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return;
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}
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for (String flag in flags) {
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switch (flag) {
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case 'source-positions':
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emitSourcePositions = true;
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break;
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case 'local-var-info':
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emitLocalVarInfo = true;
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break;
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case 'annotations':
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emitAnnotations = true;
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break;
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case 'instance-field-initializers':
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emitInstanceFieldInitializers = true;
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break;
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case 'keep-unreachable-code':
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keepUnreachableCode = true;
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break;
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case 'show-bytecode-size-stat':
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showBytecodeSizeStatistics = true;
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break;
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case 'closure-context-lowering':
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isClosureContextLoweringEnabled = true;
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break;
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case 'embed-source-text':
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embedSourceText = true;
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break;
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case 'record-coverage':
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recordCoverage = true;
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break;
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default:
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throw 'Unexpected bytecode flag $flag';
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}
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}
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}
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}
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