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feat: debug option

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This commit is contained in:
Barrett Ruth 2026-02-01 17:44:28 -05:00
parent 29f9a5f7e4
commit ae727159b9
4 changed files with 68 additions and 6 deletions
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25
lua/fugitive-ts/highlight.lua
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@ -1,9 +1,17 @@
local M = {}
---@param msg string
---@param ... any
local function dbg(msg, ...)
local formatted = string.format(msg, ...)
vim.notify('[fugitive-ts] ' .. formatted, vim.log.levels.DEBUG)
end
---@param bufnr integer
---@param ns integer
---@param hunk fugitive-ts.Hunk
function M.highlight_hunk(bufnr, ns, hunk)
---@param debug? boolean
function M.highlight_hunk(bufnr, ns, hunk, debug)
local lang = hunk.lang
if not lang then
return
@ -22,19 +30,29 @@ function M.highlight_hunk(bufnr, ns, hunk)
local ok, parser_obj = pcall(vim.treesitter.get_string_parser, code, lang)
if not ok or not parser_obj then
if debug then
dbg('failed to create parser for lang: %s', lang)
end
return
end
local trees = parser_obj:parse()
if not trees or #trees == 0 then
if debug then
dbg('parse returned no trees for lang: %s', lang)
end
return
end
local query = vim.treesitter.query.get(lang, 'highlights')
if not query then
if debug then
dbg('no highlights query for lang: %s', lang)
end
return
end
local extmark_count = 0
for id, node, _ in query:iter_captures(trees[1]:root(), code) do
local capture_name = '@' .. query.captures[id]
local sr, sc, er, ec = node:range()
@ -50,6 +68,11 @@ function M.highlight_hunk(bufnr, ns, hunk)
hl_group = capture_name,
priority = 200,
})
extmark_count = extmark_count + 1
end
if debug then
dbg('hunk %s:%d applied %d extmarks', hunk.filename, hunk.start_line, extmark_count)
end
end