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Move argument and nonlocal rule.

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Dave Halter
2017-08-18 18:20:37 +02:00
parent 904f293830
commit 76578218d9
1 changed files with 23 additions and 20 deletions
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43
parso/python/errors.py
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@@ -425,25 +425,6 @@ class ErrorFinder(Normalizer):
self._add_syntax_error(message, node)
else:
default_only = True
elif node.type == 'argument':
first = node.children[0]
if node.children[1] == '=' and first.type != 'name':
if first.type == 'lambdef':
# f(lambda: 1=1)
message = "lambda cannot contain assignment"
else:
# f(+x=1)
message = "keyword can't be an expression"
self._add_syntax_error(message, first)
elif node.type == 'nonlocal_stmt':
if self.context.parent_context is None:
message = "nonlocal declaration not allowed at module level"
self._add_syntax_error(message, node)
elif self.context.is_function():
for nonlocal_name in node.children[1::2]:
param_names = [p.name.value for p in self.context.node.get_params()]
if nonlocal_name.value == node:
pass
elif node.type == 'expr_stmt':
for before_equal in node.children[:-2:2]:
self._check_assignment(before_equal)
@@ -854,7 +835,7 @@ class StarExprRule(SyntaxRule):
@ErrorFinder.register_rule(type='annassign')
class AnnassignRule(SyntaxRule):
class AnnotatorRule(SyntaxRule):
# True: int
# {}: float
message = "illegal target for annotation"
@@ -888,3 +869,25 @@ class AnnassignRule(SyntaxRule):
# x, y: str
message = "only single target (not %s) can be annotated"
self.add_issue(lhs.parent, message=message % type_)
@ErrorFinder.register_rule(type='argument')
class ArgumentRule(SyntaxRule):
def is_issue(self, node):
first = node.children[0]
if node.children[1] == '=' and first.type != 'name':
if first.type == 'lambdef':
# f(lambda: 1=1)
message = "lambda cannot contain assignment"
else:
# f(+x=1)
message = "keyword can't be an expression"
self.add_issue(first, message=message)
@ErrorFinder.register_rule(type='nonlocal_stmt')
class _NonlocalModuleLevelRule(SyntaxRule):
message = "nonlocal declaration not allowed at module level"
def is_issue(self, node):
return self._normalizer.context.parent_context is None