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Merge pull request #176 from Terseus/bugfix/175-nonlocal-parameter

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Prevent incorrect syntax error with nonlocal of a parameter
This commit is contained in:
Dave Halter
2021-03-09 00:50:03 +01:00
committed by GitHub
parent 5bba083af8 e5d6663721
commit c4f297a57a
3 changed files with 37 additions and 0 deletions
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7
parso/python/errors.py
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@@ -241,6 +241,7 @@ class _Context:
self.parent_context = parent_context
self._used_name_dict = {}
self._global_names = []
self._local_params_names = []
self._nonlocal_names = []
self._nonlocal_names_in_subscopes = []
self._add_syntax_error = add_syntax_error
@@ -264,6 +265,10 @@ class _Context:
self._global_names.append(name)
elif parent_type == 'nonlocal_stmt':
self._nonlocal_names.append(name)
elif parent_type == 'funcdef':
self._local_params_names.extend(
[param.name.value for param in name.parent.get_params()]
)
else:
self._used_name_dict.setdefault(name.value, []).append(name)
@@ -291,6 +296,8 @@ class _Context:
nonlocals_not_handled = []
for nonlocal_name in self._nonlocal_names_in_subscopes:
search = nonlocal_name.value
if search in self._local_params_names:
continue
if search in global_name_strs or self.parent_context is None:
message = "no binding for nonlocal '%s' found" % nonlocal_name.value
self._add_syntax_error(nonlocal_name, message)