diff options
| -rw-r--r-- | Lib/test/test_syntax.py | 28 | ||||
| -rw-r--r-- | Python/ast.c | 6 |
2 files changed, 31 insertions, 3 deletions
diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index c55171a..be783c7 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -476,6 +476,34 @@ Traceback (most recent call last): ... SyntaxError: keyword argument repeated +Corner-cases that used to fail to raise the correct error: + + >>> def f(*, x=lambda __debug__:0): pass + Traceback (most recent call last): + SyntaxError: assignment to keyword + + >>> def f(*args:(lambda __debug__:0)): pass + Traceback (most recent call last): + SyntaxError: assignment to keyword + + >>> def f(**kwargs:(lambda __debug__:0)): pass + Traceback (most recent call last): + SyntaxError: assignment to keyword + + >>> with (lambda *:0): pass + Traceback (most recent call last): + SyntaxError: named arguments must follow bare * + +Corner-cases that used to crash: + + >>> def f(**__debug__): pass + Traceback (most recent call last): + SyntaxError: assignment to keyword + + >>> def f(*xx, __debug__): pass + Traceback (most recent call last): + SyntaxError: assignment to keyword + """ import re diff --git a/Python/ast.c b/Python/ast.c index 2f974c0..5c17133 100644 --- a/Python/ast.c +++ b/Python/ast.c @@ -674,7 +674,7 @@ handle_keywordonly_args(struct compiling *c, const node *n, int start, if (i + 1 < NCH(n) && TYPE(CHILD(n, i + 1)) == EQUAL) { expression = ast_for_expr(c, CHILD(n, i + 2)); if (!expression) - goto error; + goto error; asdl_seq_SET(kwdefaults, j, expression); i += 2; /* '=' and test */ } @@ -873,14 +873,14 @@ ast_for_arguments(struct compiling *c, const node *n) ch = CHILD(n, i+1); /* tfpdef */ assert(TYPE(ch) == tfpdef || TYPE(ch) == vfpdef); kwarg = NEW_IDENTIFIER(CHILD(ch, 0)); + if (!kwarg) + return NULL; if (NCH(ch) > 1) { /* there is an annotation on the kwarg */ kwargannotation = ast_for_expr(c, CHILD(ch, 2)); if (!kwargannotation) return NULL; } - if (!kwarg) - return NULL; i += 3; break; default: |