mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 17:08:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 13

gh-123562: Improve SyntaxError message for case ... as a.b (#123563)

Browse source
This commit is contained in:
sobolevn 2024-09-02 14:11:44 +03:00 • committed by GitHub
parent c3ed775899
commit 23f159ae71
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 59 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Grammar/python.gram
View file

@ -1375,7 +1375,9 @@ invalid_case_block:
RAISE_INDENTATION_ERROR("expected an indented block after 'case' statement on line %d", a->lineno) }
invalid_as_pattern:
| or_pattern 'as' a="_" { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "cannot use '_' as a target") }
| or_pattern 'as' !NAME a=expression { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "invalid pattern target") }
| or_pattern 'as' a=expression {
RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
a, "cannot use %s as pattern target", _PyPegen_get_expr_name(a)) }
invalid_class_pattern:
| name_or_attr '(' a=invalid_class_argument_pattern { RAISE_SYNTAX_ERROR_KNOWN_RANGE(
PyPegen_first_item(a, pattern_ty),