neovim

commit c94b7b93c0d9f843be6b68db9dee0a0297060af4
parent cf48741227a9aa77533d5adfd2379e7c16c71363
Author: luukvbaal <luukvbaal@gmail.com>
Date:   Wed, 22 Oct 2025 16:16:36 +0200

fix(ui2): start treesitter after deleting cmdline buffer (#36274)

Problem:  Treesitter is not started in new cmdline buffer after deletion.
Solution: Start treesitter when highlighter buffer no longer matches.
Diffstat:
M
runtime/lua/vim/_extui/cmdline.lua
 | 
2
+-
M
test/functional/ui/cmdline2_spec.lua
 | 
9
+++++++++

2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/runtime/lua/vim/_extui/cmdline.lua b/runtime/lua/vim/_extui/cmdline.lua
@@ -63,7 +63,7 @@ end
 ---@param hl_id integer
 function M.cmdline_show(content, pos, firstc, prompt, indent, level, hl_id)
   M.level, M.indent, M.prompt = level, indent, M.prompt or #prompt > 0
-  if M.highlighter == nil then
+  if M.highlighter == nil or M.highlighter.bufnr ~= ext.bufs.cmd then
     local parser = assert(vim.treesitter.get_parser(ext.bufs.cmd, 'vim', {}))
     M.highlighter = vim.treesitter.highlighter.new(parser)
   end
diff --git a/test/functional/ui/cmdline2_spec.lua b/test/functional/ui/cmdline2_spec.lua
@@ -97,4 +97,13 @@ describe('cmdline2', function()
       ^                                                     |
     ]])
   end)
+
+  it('highlights after deleting buffer', function()
+    feed(':%bw!<CR>:call foo()')
+    screen:expect([[
+                                                           |
+      {1:~                                                    }|*12
+      {16::}{15:call} {25:foo}{16:()}^                                          |
+    ]])
+  end)
 end)