blob: 5caea4eb0177a9cabf70ffdda60bef024ffeab49 [file] [log] [blame]
// Copyright (c) 2020, 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/src/services/correction/dart/abstract_producer.dart';
import 'package:analysis_server/src/services/correction/fix.dart';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer/src/dart/ast/ast.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
import 'package:analyzer_plugin/utilities/range_factory.dart';
class ChangeToNearestPreciseValue extends CorrectionProducer {
/// The value to which the code will be changed.
String _correction = '';
@override
List<Object> get fixArguments => [_correction];
@override
FixKind get fixKind => DartFixKind.CHANGE_TO_NEAREST_PRECISE_VALUE;
@override
Future<void> compute(ChangeBuilder builder) async {
IntegerLiteral integer = node;
var lexeme = integer.literal.lexeme;
var precise = BigInt.from(IntegerLiteralImpl.nearestValidDouble(lexeme));
_correction = lexeme.toLowerCase().contains('x')
? '0x${precise.toRadixString(16).toUpperCase()}'
: precise.toString();
await builder.addDartFileEdit(file, (builder) {
builder.addSimpleReplacement(range.node(integer), _correction);
});
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static ChangeToNearestPreciseValue newInstance() =>
ChangeToNearestPreciseValue();
}