键入时更新 Roslyn 文档的正确方法是什么? [英] What's the right way to update Roslyn's Document while typing?

问题描述

当用户输入新文本时，更新 Roslyn 的 Document 的正确方法是什么?我应该在每个字符上调用 SourceText.WithChanges 然后 Document.WithText 还是有更有效的方法?

What's the right way to update Roslyn's Document when user is typing new text? Should I call SourceText.WithChanges and then Document.WithText on each char, or is there a more efficient way?

不幸的是，节流不是答案，请参阅我的问题 打字时使用 Roslyn 的 CompletionSevice 的最有效方法是什么? 其中 API 意味着 SourceText/Document 必须在每个字符上保持最新.

Unfortunately throttling is not an answer, see my question What's the most efficient way to use Roslyn's CompletionSevice when typing? where an API implies that SourceText/Document must be up to date on each char.

推荐答案

对每个字符执行 SourceText.WithChanges 可能是您最好的选择，假设没有更有效的方法可以创建您自己的 SourceText 派生类型，就像我们在视觉工作室.(请参阅我对您的其他问题的回答.)我们已经做了一些位工作，以确保效率不会太低.

Doing SourceText.WithChanges on each character is probably your best bet, assuming there's not a more efficient way you can create your own derived type of SourceText like we do in Visual Studio. (See my answer to your other question for that.) We have done a bit of work to make that not be too inefficient.

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