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fix(treesitter): do not calc folds on unloaded buffers

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Fixes #23423
This commit is contained in:
Lewis Russell 2023-05-02 10:07:18 +01:00 committed by GitHub
parent bfb19a110d
commit fba18a3b62
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 6 deletions
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20
runtime/lua/vim/treesitter/_fold.lua
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@ -111,10 +111,6 @@ end
---@param srow integer?
---@param erow integer?
local function get_folds_levels(bufnr, info, srow, erow)
if not api.nvim_buf_is_valid(bufnr) then
return false
end
srow = srow or 0
erow = normalise_erow(bufnr, erow)
@ -210,13 +206,25 @@ local function recompute_folds()
vim._foldupdate()
end
--- Schedule a function only if bufnr is loaded
---@param bufnr integer
---@param fn function
local function schedule_if_loaded(bufnr, fn)
vim.schedule(function()
if not api.nvim_buf_is_loaded(bufnr) then
return
end
fn()
end)
end
---@param bufnr integer
---@param foldinfo TS.FoldInfo
---@param tree_changes Range4[]
local function on_changedtree(bufnr, foldinfo, tree_changes)
-- For some reason, queries seem to use the old buffer state in on_bytes.
-- Get around this by scheduling and manually updating folds.
vim.schedule(function()
schedule_if_loaded(bufnr, function()
for _, change in ipairs(tree_changes) do
local srow, _, erow = Range.unpack4(change)
get_folds_levels(bufnr, foldinfo, srow, erow)
@ -238,7 +246,7 @@ local function on_bytes(bufnr, foldinfo, start_row, old_row, new_row)
foldinfo:remove_range(end_row_new, end_row_old)
elseif new_row > old_row then
foldinfo:add_range(start_row, end_row_new)
vim.schedule(function()
schedule_if_loaded(bufnr, function()
get_folds_levels(bufnr, foldinfo, start_row, end_row_new)
recompute_folds()
end)