| // Copyright (c) 2018, 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. |
| |
| import 'package:analysis_server/plugin/edit/assist/assist_core.dart'; |
| import 'package:analysis_server/src/edit/fix/dartfix_listener.dart'; |
| import 'package:analysis_server/src/edit/fix/dartfix_registrar.dart'; |
| import 'package:analysis_server/src/edit/fix/fix_lint_task.dart'; |
| import 'package:analysis_server/src/services/correction/assist.dart'; |
| import 'package:analysis_server/src/services/correction/assist_internal.dart'; |
| import 'package:analysis_server/src/services/correction/change_workspace.dart'; |
| import 'package:analyzer/dart/analysis/results.dart'; |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/error/error.dart'; |
| import 'package:analyzer/src/lint/registry.dart'; |
| |
| class PreferIntLiteralsFix extends FixLintTask { |
| static void task(DartFixRegistrar registrar, DartFixListener listener) { |
| registrar.registerLintTask( |
| Registry.ruleRegistry['prefer_int_literals'], |
| new PreferIntLiteralsFix(listener), |
| ); |
| } |
| |
| final literalsToConvert = <DoubleLiteral>[]; |
| |
| PreferIntLiteralsFix(DartFixListener listener) : super(listener); |
| |
| @override |
| Future<void> applyLocalFixes(ResolvedUnitResult result) async { |
| while (literalsToConvert.isNotEmpty) { |
| DoubleLiteral literal = literalsToConvert.removeLast(); |
| AssistProcessor processor = new AssistProcessor( |
| new DartAssistContextImpl( |
| DartChangeWorkspace(listener.server.currentSessions), |
| result, |
| literal.offset, |
| 0, |
| ), |
| ); |
| List<Assist> assists = |
| await processor.computeAssist(DartAssistKind.CONVERT_TO_INT_LITERAL); |
| final location = |
| listener.locationFor(result, literal.offset, literal.length); |
| if (assists.isNotEmpty) { |
| for (Assist assist in assists) { |
| listener.addSourceChange( |
| 'Replace a double literal with an int literal', |
| location, |
| assist.change); |
| } |
| } else { |
| // TODO(danrubel): If assists is empty, then determine why |
| // assist could not be performed and report that in the description. |
| listener.addRecommendation( |
| 'Could not replace a double literal with an int literal', location); |
| } |
| } |
| } |
| |
| @override |
| Future<void> applyRemainingFixes() { |
| // All fixes applied in [applyLocalFixes] |
| return null; |
| } |
| |
| @override |
| void reportErrorForNode(ErrorCode errorCode, AstNode node, |
| [List<Object> arguments]) { |
| if (source.fullName != null) { |
| literalsToConvert.add(node); |
| } |
| } |
| } |