[config.git] / djavu-asus / elpy / rpc-venv / lib / python3.11 / site-packages / yapf / pytree / continuation_splicer.py

# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Insert "continuation" nodes into lib2to3 tree.

The "backslash-newline" continuation marker is shoved into the node's prefix.
Pull them out and make it into nodes of their own.

  SpliceContinuations(): the main function exported by this module.
"""

from yapf_third_party._ylib2to3 import pytree

from yapf.yapflib import format_token


def SpliceContinuations(tree):
  """Given a pytree, splice the continuation marker into nodes.

  Arguments:
    tree: (pytree.Node) The tree to work on. The tree is modified by this
      function.
  """

  def RecSplicer(node):
    """Inserts a continuation marker into the node."""
    if isinstance(node, pytree.Leaf):
      if node.prefix.lstrip().startswith('\\\n'):
        new_lineno = node.lineno - node.prefix.count('\n')
        return pytree.Leaf(
            type=format_token.CONTINUATION,
            value=node.prefix,
            context=('', (new_lineno, 0)))
      return None
    num_inserted = 0
    for index, child in enumerate(node.children[:]):
      continuation_node = RecSplicer(child)
      if continuation_node:
        node.children.insert(index + num_inserted, continuation_node)
        num_inserted += 1

  RecSplicer(tree)
Commit	Line	Data
53e6db90 DC	1	# Copyright 2015 Google Inc. All Rights Reserved.
	2	#
	3	# Licensed under the Apache License, Version 2.0 (the "License");
	4	# you may not use this file except in compliance with the License.
	5	# You may obtain a copy of the License at
	6	#
	7	# http://www.apache.org/licenses/LICENSE-2.0
	8	#
	9	# Unless required by applicable law or agreed to in writing, software
	10	# distributed under the License is distributed on an "AS IS" BASIS,
	11	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	12	# See the License for the specific language governing permissions and
	13	# limitations under the License.
	14	"""Insert "continuation" nodes into lib2to3 tree.
	15
	16	The "backslash-newline" continuation marker is shoved into the node's prefix.
	17	Pull them out and make it into nodes of their own.
	18
	19	SpliceContinuations(): the main function exported by this module.
	20	"""
	21
	22	from yapf_third_party._ylib2to3 import pytree
	23
	24	from yapf.yapflib import format_token
	25
	26
	27	def SpliceContinuations(tree):
	28	"""Given a pytree, splice the continuation marker into nodes.
	29
	30	Arguments:
	31	tree: (pytree.Node) The tree to work on. The tree is modified by this
	32	function.
	33	"""
	34
	35	def RecSplicer(node):
	36	"""Inserts a continuation marker into the node."""
	37	if isinstance(node, pytree.Leaf):
	38	if node.prefix.lstrip().startswith('\\\n'):
	39	new_lineno = node.lineno - node.prefix.count('\n')
	40	return pytree.Leaf(
	41	type=format_token.CONTINUATION,
	42	value=node.prefix,
	43	context=('', (new_lineno, 0)))
	44	return None
	45	num_inserted = 0
	46	for index, child in enumerate(node.children[:]):
	47	continuation_node = RecSplicer(child)
	48	if continuation_node:
	49	node.children.insert(index + num_inserted, continuation_node)
	50	num_inserted += 1
	51
	52	RecSplicer(tree)