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path: root/runtime/lua/vim/treesitter.lua
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Diffstat (limited to 'runtime/lua/vim/treesitter.lua')
-rw-r--r--runtime/lua/vim/treesitter.lua10
1 files changed, 6 insertions, 4 deletions
diff --git a/runtime/lua/vim/treesitter.lua b/runtime/lua/vim/treesitter.lua
index 0de3388356..19ef148afc 100644
--- a/runtime/lua/vim/treesitter.lua
+++ b/runtime/lua/vim/treesitter.lua
@@ -18,11 +18,13 @@ Parser.__index = Parser
-- @returns If the tree changed with this call, the changed ranges
function Parser:parse()
if self.valid then
- return self.tree
+ return self._tree_immutable
end
local changes
- self.tree, changes = self._parser:parse(self:input_source())
+ self._tree, changes = self._parser:parse(self._tree, self:input_source())
+
+ self._tree_immutable = self._tree:copy()
self.valid = true
@@ -32,7 +34,7 @@ function Parser:parse()
end
end
- return self.tree, changes
+ return self._tree_immutable, changes
end
function Parser:input_source()
@@ -45,7 +47,7 @@ function Parser:_on_bytes(bufnr, changed_tick,
new_row, new_col, new_byte)
local old_end_col = old_col + ((old_row == 0) and start_col or 0)
local new_end_col = new_col + ((new_row == 0) and start_col or 0)
- self._parser:edit(start_byte,start_byte+old_byte,start_byte+new_byte,
+ self._tree:edit(start_byte,start_byte+old_byte,start_byte+new_byte,
start_row, start_col,
start_row+old_row, old_end_col,
start_row+new_row, new_end_col)