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Add default 'except:' must be last.

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This commit is contained in:
Dave Halter
2017-07-20 01:33:59 +02:00
parent 9c4bf8cec4
commit 03526cd84e
3 changed files with 27 additions and 0 deletions
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10
parso/python/normalizer.py
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@@ -58,6 +58,16 @@ class ErrorFinder(Normalizer):
else:
self._add_syntax_error("invalid syntax", leaf)
elif node.type in _BLOCK_STMTS:
if node.type == 'try_stmt':
default_except = None
for except_clause in node.children[3::3]:
if except_clause in ('else', 'finally'):
break
if except_clause == 'except':
default_except = except_clause
elif default_except is not None:
self._add_syntax_error("default 'except:' must be last", default_except)
with self._context.add_block(node):
if len(self._context.blocks) == _MAX_BLOCK_SIZE:
self._add_syntax_error("too many statically nested blocks", node)