From c62685841e52dacb4659f49d16336765e7e10f10 Mon Sep 17 00:00:00 2001
From: Thomas Vigouroux <tomvig38@gmail.com>
Date: Thu, 23 Apr 2020 08:43:35 +0200
Subject: textobj: add incremental scope selection

---
 lua/nvim-treesitter/textobj.lua | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'lua/nvim-treesitter/textobj.lua')

diff --git a/lua/nvim-treesitter/textobj.lua b/lua/nvim-treesitter/textobj.lua
index 9460e193..a28440e3 100644
--- a/lua/nvim-treesitter/textobj.lua
+++ b/lua/nvim-treesitter/textobj.lua
@@ -33,4 +33,26 @@ function M.node_incremental()
   end
 end
 
+function M.scope_incremental()
+  local _, sel_start_line, sel_start_col, _ = unpack(vim.fn.getpos("'<"))
+  local _, sel_end_line, sel_end_col, _ = unpack(vim.fn.getpos("'>"))
+
+  if parsers.has_parser() then
+    local root = parsers.get_parser():parse():root()
+    local node = utils.smallest_containing_scope(
+    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(utils.smallest_containing_scope(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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