refacto: remove buf_state

- remove buf_state and related code
- add get_node_at_cursor()
- better incremental selection (code is localized)

1 files changed, 7 insertions, 0 deletions

diff --git a/lua/nvim-treesitter/ts_utils.lua b/lua/nvim-treesitter/ts_utils.lua
index 1445418e..a85934c0 100644
--- a/lua/nvim-treesitter/ts_utils.lua
+++ b/lua/nvim-treesitter/ts_utils.lua
@@ -1,6 +1,7 @@
 local api = vim.api
 
 local locals = require'nvim-treesitter.locals'
+local parsers = require'nvim-treesitter.parsers'
 
 local M = {}
 
@@ -205,4 +206,10 @@ function M.previous_scope(node)
   end
 end
 
+function M.get_node_at_cursor()
+  local cursor = api.nvim_win_get_cursor(0)
+  local root = parsers.get_parser().tree:root()
+  return root:named_descendant_for_range(cursor[1]-1,cursor[2],cursor[1]-1,cursor[2])
+end
+
 return M