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Move the first node (atom) to rules.

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This commit is contained in:
Dave Halter
2017-08-17 20:42:32 +02:00
parent 33ad290512
commit e8196c0c06
1 changed files with 16 additions and 14 deletions
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30
parso/python/errors.py
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@@ -18,10 +18,6 @@ ALLOWED_FUTURES = (
)
def _is_bytes_literal(string):
return 'b' in string.string_prefix.lower()
def _iter_stmts(scope):
"""
Iterates over all statements and splits up simple_stmt.
@@ -465,16 +461,6 @@ class ErrorFinder(Normalizer):
# f(x=2, y)
message = "positional argument follows keyword argument"
self._add_syntax_error(message, argument)
elif node.type == 'atom':
first = node.children[0]
# e.g. 's' b''
message = "cannot mix bytes and nonbytes literals"
if first.type == 'string' and self.version >= (3, 0):
first_is_bytes = _is_bytes_literal(first)
for string in node.children[1:]:
if first_is_bytes != _is_bytes_literal(string):
self._add_syntax_error(message, node)
break
elif node.type in ('parameters', 'lambdef'):
param_names = set()
default_only = False
@@ -858,3 +844,19 @@ class ReturnAndYieldChecks(SyntaxRule):
and leaf.get_next_leaf() != 'from' \
and self._normalizer.version == (3, 5):
self.add_issue(self.get_node(leaf), message=self.message_async_yield)
@ErrorFinder.register_rule(type='atom')
class BytesAndStringMix(SyntaxRule):
# e.g. 's' b''
message = "cannot mix bytes and nonbytes literals"
def _is_bytes_literal(self, string):
return 'b' in string.string_prefix.lower()
def is_issue(self, node):
first = node.children[0]
if first.type == 'string' and self._normalizer.version >= (3, 0):
first_is_bytes = self._is_bytes_literal(first)
for string in node.children[1:]:
if first_is_bytes != self._is_bytes_literal(string):
return True