X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/162ecd1d2cf9471efefb5b61c17d28b73acb79a1..2704dc796b49b4c5d348c92ba14ef1cfd908e7f1:/src/black/nodes.py diff --git a/src/black/nodes.py b/src/black/nodes.py index 12f24b9..aeb2be3 100644 --- a/src/black/nodes.py +++ b/src/black/nodes.py @@ -3,16 +3,7 @@ blib2to3 Node/Leaf transformation-related utility functions. """ import sys -from typing import ( - Generic, - Iterator, - List, - Optional, - Set, - Tuple, - TypeVar, - Union, -) +from typing import Generic, Iterator, List, Optional, Set, Tuple, TypeVar, Union if sys.version_info >= (3, 8): from typing import Final @@ -25,14 +16,11 @@ else: from mypy_extensions import mypyc_attr -# lib2to3 fork -from blib2to3.pytree import Node, Leaf, type_repr, NL -from blib2to3 import pygram -from blib2to3.pgen2 import token - from black.cache import CACHE_DIR from black.strings import has_triple_quotes - +from blib2to3 import pygram +from blib2to3.pgen2 import token +from blib2to3.pytree import NL, Leaf, Node, type_repr pygram.initialize(CACHE_DIR) syms: Final = pygram.python_symbols @@ -514,12 +502,14 @@ def container_of(leaf: Leaf) -> LN: return container -def first_leaf_column(node: Node) -> Optional[int]: - """Returns the column of the first leaf child of a node.""" - for child in node.children: - if isinstance(child, Leaf): - return child.column - return None +def first_leaf_of(node: LN) -> Optional[Leaf]: + """Returns the first leaf of the node tree.""" + if isinstance(node, Leaf): + return node + if node.children: + return first_leaf_of(node.children[0]) + else: + return None def is_arith_like(node: LN) -> bool: