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Fix valid graph asserting for some dedents that are errors

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Dave Halter
2019-01-06 12:39:04 +01:00
parent 65b15b05e3
commit c442cf98be
2 changed files with 38 additions and 2 deletions
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5
parso/python/diff.py
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@@ -33,10 +33,11 @@ def _assert_valid_graph(node):
# Ignore INDENT is necessary, because indent/dedent tokens don't
# contain value/prefix and are just around, because of the tokenizer.
if node.type == 'error_leaf' and node.token_type in ('INDENT', 'ERROR_DEDENT'):
error_tokens = 'INDENT', 'ERROR_DEDENT', 'DEDENT'
if node.type == 'error_leaf' and node.token_type in error_tokens:
return
while previous_leaf and previous_leaf.type == 'error_leaf' \
and previous_leaf.token_type in ('INDENT', 'ERROR_DEDENT'):
and previous_leaf.token_type in error_tokens:
assert previous_leaf.end_pos <= node.start_pos, \
(previous_leaf, node)
previous_leaf = previous_leaf.get_previous_leaf()