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fix(lsp): handle completion/resolve response arriving after on_insert_leave

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If a user accepts completion and immediately exits insert mode, it
could happen that `Context.cursor` was nil by the time the
`completion/resolve` response arrives, leading to an error.
This commit is contained in:
Mathias Fussenegger
2026-03-19 08:53:38 +01:00
committed by Mathias Fußenegger
parent 24684f90ea
commit 507cd63418
1 changed files with 6 additions and 2 deletions
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8
runtime/lua/vim/lsp/completion.lua
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@@ -850,6 +850,10 @@ local function on_complete_done()
local position_encoding = client.offset_encoding or 'utf-16'
local resolve_provider = (client.server_capabilities.completionProvider or {}).resolveProvider
-- Keep reference to avoid race where completion/resolve response arrives after on_insert_leave
-- and Context.cursor got cleared before clear_word() gets called
local context_cursor = assert(Context.cursor)
local function clear_word()
if not expand_snippet then
return nil
@@ -858,8 +862,8 @@ local function on_complete_done()
-- Remove the already inserted word.
api.nvim_buf_set_text(
bufnr,
Context.cursor[1] - 1,
Context.cursor[2] - 1,
context_cursor[1] - 1,
context_cursor[2] - 1,
cursor_row,
cursor_col,
{ '' }