Support C++ header file extensions (.hpp, .hh, .hxx, .h++) in LSP language detection #12660

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1. github-actions

   assigned

   rekram1-node

   on Feb 8, 2026
2. github-actions commented on Feb 8, 2026

   

   github-actionsBot

   on Feb 8, 2026 – with GitHub Actions

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   This issue is related to several existing issues around C++ and LSP support:

   • [FEATURE]: LSP support for choosing between multiple build directories (c++ / clangd) #7780: LSP support for choosing between multiple build directories (c++ / clangd)
   • clangd LSP always fails #9521: clangd LSP always fails
   • Clangd LSP set incorrect root and missing arguments #11617: Clangd LSP set incorrect root and missing arguments
   • [FEATURE]: Formatter enhanced file extension matching #3431: Formatter enhanced file extension matching (demonstrates file extension pattern matching needs)

   While these aren't exact duplicates, they represent related challenges in improving C++ language support and file extension detection in OpenCode. You may find context useful when implementing this feature.
3. github-actions commented on Apr 10, 2026

   

   github-actionsBot

   on Apr 10, 2026 – with GitHub Actions

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   To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.
4. github-actions

   closed this as completedon Apr 10, 2026