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84 changes: 84 additions & 0 deletions
84
pkg/analysis_server/lib/src/services/correction/dart/remove_ignore.dart
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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file | ||
// for details. All rights reserved. Use of this source code is governed by a | ||
// BSD-style license that can be found in the LICENSE file. | ||
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import 'package:analysis_server/src/services/correction/fix.dart'; | ||
import 'package:analysis_server_plugin/edit/dart/correction_producer.dart'; | ||
import 'package:analyzer/source/source_range.dart'; | ||
import 'package:analyzer/src/dart/ast/token.dart'; | ||
import 'package:analyzer/src/ignore_comments/ignore_info.dart'; | ||
import 'package:analyzer/src/utilities/extensions/ast.dart'; | ||
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart'; | ||
import 'package:analyzer_plugin/utilities/fixes/fixes.dart'; | ||
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class RemoveIgnore extends ResolvedCorrectionProducer { | ||
String _diagnosticName = ''; | ||
RemoveIgnore({required super.context}); | ||
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@override | ||
CorrectionApplicability get applicability => | ||
CorrectionApplicability.singleLocation; | ||
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@override | ||
List<String> get fixArguments => [_diagnosticName]; | ||
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@override | ||
FixKind get fixKind => DartFixKind.REMOVE_IGNORED_DIAGNOSTIC; | ||
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@override | ||
Future<void> compute(ChangeBuilder builder) async { | ||
var diagnostic = this.diagnostic; | ||
if (diagnostic == null) return; | ||
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var diagnosticOffset = diagnostic.problemMessage.offset; | ||
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var comment = node.commentTokenCovering(diagnosticOffset); | ||
if (comment is! CommentToken) return; | ||
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SourceRange? rangeToDelete; | ||
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var ignoredElements = comment.ignoredElements.toList(); | ||
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for (var (index, ignoredElement) in ignoredElements.indexed) { | ||
if (ignoredElement is! IgnoredDiagnosticName) continue; | ||
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var ignoredElementOffset = ignoredElement.offset; | ||
if (ignoredElement.offset == diagnosticOffset) { | ||
_diagnosticName = ignoredElement.name; | ||
var scanBack = index != 0; | ||
var commentText = comment.lexeme; | ||
if (scanBack) { | ||
// Scan back for a preceding comma: | ||
for (var offset = ignoredElementOffset; offset > -1; --offset) { | ||
if (commentText[offset] == ',') { | ||
var backSteps = ignoredElementOffset - offset; | ||
rangeToDelete = SourceRange( | ||
diagnosticOffset - backSteps, | ||
_diagnosticName.length + backSteps, | ||
); | ||
break; | ||
} | ||
} | ||
} else { | ||
// Scan forward for a trailing comma: | ||
var chars = commentText.substring(ignoredElementOffset).indexOf(','); | ||
if (chars == -1) return; | ||
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// Eat the comma | ||
chars++; | ||
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// Eat a trailing space if needed | ||
if (commentText[ignoredElementOffset + chars] == ' ') chars++; | ||
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rangeToDelete = SourceRange(ignoredElementOffset, chars); | ||
} | ||
} | ||
} | ||
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if (rangeToDelete != null) { | ||
await builder.addDartFileEdit(file, (builder) { | ||
builder.addDeletion(rangeToDelete!); | ||
}); | ||
} | ||
} | ||
} |
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92 changes: 92 additions & 0 deletions
92
pkg/analysis_server/test/src/services/correction/fix/remove_ignore_test.dart
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,92 @@ | ||
// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file | ||
// for details. All rights reserved. Use of this source code is governed by a | ||
// BSD-style license that can be found in the LICENSE file. | ||
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import 'package:analysis_server/src/services/correction/fix.dart'; | ||
import 'package:analyzer_plugin/utilities/fixes/fixes.dart'; | ||
import 'package:linter/src/lint_names.dart'; | ||
import 'package:test_reflective_loader/test_reflective_loader.dart'; | ||
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import 'fix_processor.dart'; | ||
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void main() { | ||
defineReflectiveSuite(() { | ||
defineReflectiveTests(RemoveUnnecessaryIgnoreTest); | ||
}); | ||
} | ||
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// TODO(pq): add bulk fix tests | ||
@reflectiveTest | ||
class RemoveUnnecessaryIgnoreTest extends FixProcessorLintTest { | ||
@override | ||
FixKind get kind => DartFixKind.REMOVE_IGNORED_DIAGNOSTIC; | ||
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@override | ||
String get lintCode => LintNames.unnecessary_ignore; | ||
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Future<void> test_file_first() async { | ||
await resolveTestCode(''' | ||
// ignore_for_file: unused_local_variable, return_of_invalid_type | ||
int f() => null; | ||
'''); | ||
await assertHasFix(''' | ||
// ignore_for_file: return_of_invalid_type | ||
int f() => null; | ||
'''); | ||
} | ||
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Future<void> test_file_last() async { | ||
await resolveTestCode(''' | ||
// ignore_for_file: return_of_invalid_type, unused_local_variable | ||
int f() => null; | ||
'''); | ||
await assertHasFix(''' | ||
// ignore_for_file: return_of_invalid_type | ||
int f() => null; | ||
'''); | ||
} | ||
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Future<void> test_file_middle() async { | ||
await resolveTestCode(''' | ||
// ignore_for_file: return_of_invalid_type, unused_local_variable, non_bool_negation_expression | ||
int f() => !null; | ||
'''); | ||
await assertHasFix(''' | ||
// ignore_for_file: return_of_invalid_type, non_bool_negation_expression | ||
int f() => !null; | ||
'''); | ||
} | ||
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Future<void> test_line_first() async { | ||
await resolveTestCode(''' | ||
// ignore: unused_local_variable, return_of_invalid_type | ||
int f() => null; | ||
'''); | ||
await assertHasFix(''' | ||
// ignore: return_of_invalid_type | ||
int f() => null; | ||
'''); | ||
} | ||
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Future<void> test_line_last() async { | ||
await resolveTestCode(''' | ||
// ignore: return_of_invalid_type, unused_local_variable | ||
int f() => null; | ||
'''); | ||
await assertHasFix(''' | ||
// ignore: return_of_invalid_type | ||
int f() => null; | ||
'''); | ||
} | ||
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Future<void> test_line_middle() async { | ||
await resolveTestCode(''' | ||
// ignore: return_of_invalid_type, unused_local_variable, non_bool_negation_expression | ||
int f() => !null; | ||
'''); | ||
await assertHasFix(''' | ||
// ignore: return_of_invalid_type, non_bool_negation_expression | ||
int f() => !null; | ||
'''); | ||
} | ||
} |
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