feat!(treesitter): parse range around cursor based on g:matchup_treesitter_stopline

autoload/matchup.vim

@@ -82,6 +82,7 @@ function! s:init_options()
   call s:init_option('matchup_treesitter_include_match_words', v:false)
   call s:init_option('matchup_treesitter_enable_quotes', v:true)
   call s:init_option('matchup_treesitter_disable_virtual_text', v:true)
+  call s:init_option('matchup_treesitter_stopline', 400)
 endfunction
 
 function! s:init_option(option, default)

lua/match-up.lua

@@ -73,6 +73,7 @@ local M = {}
 ---@field include_match_words boolean
 ---@field disable_virtual_text boolean
 ---@field enable_quotes boolean
+---@field stopline integer
 
 ---@class matchup.Config
 ---@field delim matchup.DelimConfig

lua/treesitter-matchup/internal.lua

@@ -134,10 +134,15 @@ M.get_matches = function(bufnr)
   local matches = {} ---@type matchup.treesitter.Match[]
 
   if parser then
-    -- TODO: g:matchup_delim_stopline could be used, but this functions needs to
-    -- know on which window it should look for in order to get the current
-    -- cursor position of that window
-    parser:parse(nil)
+    -- NOTE: assummes that we are always parsing the current window. May cause
+    -- issues if that's not always the case
+    local win = api.nvim_get_current_win()
+    local cur_row = unpack(api.nvim_win_get_cursor(win))
+    local stopline = vim.g.matchup_treesitter_stopline ---@type integer
+    local start_row = math.max(cur_row - stopline, 0)
+    local end_row = math.min(cur_row + stopline, api.nvim_buf_line_count(bufnr))
+
+    parser:parse({start_row, end_row})
     parser:for_each_tree(function(tree, lang_tree)
       if not tree or lang_tree:lang() == 'comment' then
         return