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local api = vim.api
local utils = require'nvim-treesitter.utils'
local parsers = require'nvim-treesitter.parsers'
local M = {}
local function node_range_to_vim(node)
if node then
local start_row, start_col, end_row, end_col = node:range()
return {{start_row, start_col}, {end_row, end_col}}
else
return {{}, {}}
end
end
function M.node_incremental()
local buf, sel_start_line, sel_start_col, _ = unpack(vim.fn.getpos("'<"))
local buf, sel_end_line, sel_end_col, _ = unpack(vim.fn.getpos("'>"))
if parsers.has_parser() then
local root = parsers.get_parser():parse():root()
local node = root:named_descendant_for_range(sel_start_line-1, sel_start_col-1, sel_end_line-1, sel_end_col)
local node_start_row, node_start_col, node_end_row, node_end_col = node:range()
if (sel_start_line-1) == node_start_row and (sel_start_col-1) == node_start_col
and (sel_end_line-1) == node_end_row and sel_end_col == node_end_col then
return node_range_to_vim(node:parent() or node)
else
return node_range_to_vim(node)
end
else
return node_range_to_vim()
end
end
return M
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