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Add error code for return outside function.

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Dave Halter
2017-07-20 00:20:22 +02:00
parent d21504e2ca
commit 9c4bf8cec4
6 changed files with 21 additions and 15 deletions
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11
parso/python/normalizer.py
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@@ -27,9 +27,7 @@ class Context(object):
@contextmanager
def add_context(self, node):
self.blocks.append(node)
yield Context(node, parent_context=self)
self.blocks.pop()
class ErrorFinder(Normalizer):
@@ -42,7 +40,11 @@ class ErrorFinder(Normalizer):
def initialize(self, node):
from parso.python.tree import search_ancestor
parent_scope = search_ancestor(node, 'classdef', 'funcdef', 'file_input')
allowed = 'classdef', 'funcdef', 'file_input'
if node.type in allowed:
parent_scope = node
else:
parent_scope = search_ancestor(node, allowed)
self._context = Context(parent_scope)
@contextmanager
@@ -105,6 +107,9 @@ class ErrorFinder(Normalizer):
in_loop = True
if not in_loop:
self._add_syntax_error("'break' outside loop", leaf)
elif leaf.value == 'return':
if self._context.node.type != 'funcdef':
self._add_syntax_error("'return' outside function", leaf)
return ''
def _add_indentation_error(self, message, spacing):