Don't suggest adding an alias to an extern alias that is not a valid identitifer

描述

貢獻者指南

技術棧

csharp

領域

developer experiencebackend

議題類型

bug

難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。

3

預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。

1-3 hours

活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。

stale

清晰度議題是否清楚說明預期改動、驗收標準和下一步。

clear

前置要求

C# knowledgeRoslyn compiler basicsUnderstanding of identifier validation

新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。

60

研究方向

The issue is about preventing the suggestion of an alias that is not a valid identifier. Look at the completion provider in Roslyn that handles extern alias suggestions. Specifically, examine the class `ExternAliasCompletionProvider` or similar. The fix involves adding a check that the alias string is a valid C# identifier before suggesting it. Review existing tests for alias completion to understand the expected behavior. The change should be small and localized to the suggestion logic.