Fix some error node handling for call signatures

This commit is contained in:
Dave Halter
2019-07-08 13:22:07 -07:00
parent 08019075c3
commit dd78f4cfbf
2 changed files with 15 additions and 10 deletions

View File

@@ -254,7 +254,7 @@ def _iter_arguments(nodes, position):
yield 0, remove_after_pos(first_leaf), False
else:
yield 0, None, False
elif node == ',':
elif isinstance(node, tree.PythonLeaf) and node.value == ',':
if not previous_node_yielded:
yield 0, '', False
previous_node_yielded = False
@@ -294,7 +294,7 @@ def _get_index_and_key(nodes, position):
return nodes_before.count(','), key_str
def _get_call_signature_details_from_error_node(node, position):
def _get_call_signature_details_from_error_node(node, additional_children, position):
for index, element in reversed(list(enumerate(node.children))):
# `index > 0` means that it's a trailer and not an atom.
if element == '(' and element.end_pos <= position and index > 0:
@@ -305,7 +305,7 @@ def _get_call_signature_details_from_error_node(node, position):
if name is None:
continue
if name.type == 'name' or name.parent.type in ('trailer', 'atom'):
return CallDetails(element, children, position)
return CallDetails(element, children + additional_children, position)
def get_call_signature_details(module, position):
@@ -330,11 +330,16 @@ def get_call_signature_details(module, position):
# makes it feel strange to have a call signature.
return None
for n in node.children[::-1]:
if n.start_pos < position and n.type == 'error_node':
result = _get_call_signature_details_from_error_node(n, position)
if result is not None:
return result
additional_children = []
for n in reversed(node.children):
if n.start_pos < position:
if n.type == 'error_node':
result = _get_call_signature_details_from_error_node(
n, additional_children, position
)
if result is not None:
return result
additional_children.append(n)
if node.type == 'trailer' and node.children[0] == '(':
leaf = node.get_previous_leaf()

View File

@@ -457,13 +457,13 @@ code4 = 'def i(u, /, v, *args, x=1, y, **kwargs): pass'
(code4, 'i(a,b,c,d,e', 2),
(code4, 'i(a,b,c,d,e=', 5),
(code4, 'i(a,b,c,d,e=3', 5),
#(code4, 'i(a,b,c,d=,x=', 3),
(code4, 'i(a,b,c,d=,x=', 3),
(code4, 'i(a,b,c,d=5,x=4', 3),
(code4, 'i(a,b,c,d=5,x=4,y', 4),
(code4, 'i(a,b,c,d=5,x=4,y=3,', 5),
(code4, 'i(a,b,c,d=5,y=4,x=3,', 5),
(code4, 'i(a,b,c,d=4,', 3),
(code4, 'i(a,b,c,x=1,d=2,', 4),
(code4, 'i(a,b,c,x=1,d=,', 4),
]
)
def test_signature_index(skip_pre_python38, Script, code, call, expected_index):