diff options
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/doc/treesitter.txt | 3 | ||||
| -rw-r--r-- | runtime/lua/vim/treesitter.lua | 10 |
2 files changed, 9 insertions, 4 deletions
diff --git a/runtime/doc/treesitter.txt b/runtime/doc/treesitter.txt index aaf13d1640..072f2cd074 100644 --- a/runtime/doc/treesitter.txt +++ b/runtime/doc/treesitter.txt @@ -74,6 +74,9 @@ Tree methods *lua-treesitter-tree* tstree:root() *tstree:root()* Return the root node of this tree. +tstree:copy() *tstree:copy()* + Returns a copy of the `tstree`. + Node methods *lua-treesitter-node* 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) |