/
githubmirror
/
roslyn
Обзор
Документация
Войти
/
githubmirror
/
roslyn
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
src/Compilers/CSharp/Portable/BoundTree/BoundSwitchExpression.cs
35 строк
1 KB
AlekseyTs
Improve elimination of redundant evaluations during pattern matching operation (#82142)
04 фев 2026, 03:24
Не верифицирован
04 фев 2026, 03:24
76ad580
Код
Авторство
О чём код?
// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more information. using System.Diagnostics; using Microsoft.CodeAnalysis.CSharp.Symbols; namespace Microsoft.CodeAnalysis.CSharp { internal partial class BoundSwitchExpression { public BoundDecisionDag GetDecisionDagForLowering(CSharpCompilation compilation, out LabelSymbol? defaultLabel) { defaultLabel = this.DefaultLabel; BoundDecisionDag decisionDag = this.ReachabilityDecisionDag; if (!decisionDag.SuitableForLowering) { decisionDag = DecisionDagBuilder.CreateDecisionDagForSwitchExpression( compilation, this.Syntax, this.Expression, this.SwitchArms, // there's no default label if the original switch is exhaustive. // we generate a new label here because the new dag might not be. defaultLabel ??= new GeneratedLabelSymbol("default"), BindingDiagnosticBag.Discarded, forLowering: true); Debug.Assert(decisionDag.SuitableForLowering); } return decisionDag; } } }