microsoft / microsoft/vscode-cpptools

Refactor rename is slow

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#12,783 1 comment 0 reactions 0 assignees View on GitHub

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bug investigate: repro Language Service performance
Dominant language
TypeScript
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Environment
  • OS and Version:
  • VS Code Version:
  • C/C++ Extension Version:
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Bug Summary and Steps to Reproduce

Bug Summary:

Steps to reproduce:

  1. Open libaprsaroute.zip
  2. Go to line 402 in file aprsroute.hpp
  3. Invoke Refactor Rename

Refactor Preview takes about 1m to display.

Expected behavior:

Refactor Preview takes 5-10 seconds to display

Configuration and Logs
As this is perf, not sure it will be useful, but I can provide if requested.
Other Extensions

No response

Additional context

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the delay by opening libaprsaroute.zip, going to line 402 in aprsroute.hpp, and invoking Refactor Rename. Start by profiling the Refactor Preview path; done means the preview appears in about 5–10 seconds instead of roughly one minute.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, typescript
Domain
devtools, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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