Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-19 16:03:42 +00:00
Code Issues Projects Releases Packages Wiki Activity

[3.13] gh-130077: Properly match full soft keywords in the parser (GH-135317) (#135399)

Browse source 
* [3.13] gh-130077: Properly match full soft keywords in the parser (GH-135317)
(cherry picked from commit ff2b5f40c2)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>

* Remove line the main-branch commit removed

---------

Co-authored-by: Petr Viktorin <encukou@gmail.com>
This commit is contained in:
Pablo Galindo Salgado 2025-08-04 15:18:05 +01:00 • committed by GitHub
parent 55f8fe548a
commit 235d380c4c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 11 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Lib/test/test_syntax.py
View file

@ -352,6 +352,13 @@
Traceback (most recent call last):
SyntaxError: invalid syntax
# But prefixes of soft keywords should
# still raise specialized errors
>>> (mat x)
Traceback (most recent call last):
SyntaxError: invalid syntax. Perhaps you forgot a comma?
From compiler_complex_args():
>>> def f(None=1):

2
Misc/NEWS.d/next/Core_and_Builtins/2025-06-09-23-57-37.gh-issue-130077.MHknDB.rst Normal file
View file

@ -0,0 +1,2 @@
Properly raise custom syntax errors when incorrect syntax containing names
that are prefixes of soft keywords is encountered. Patch by Pablo Galindo.

3
Parser/pegen.c
View file

@ -609,7 +609,8 @@ expr_ty _PyPegen_soft_keyword_token(Parser *p) {
Py_ssize_t size;
PyBytes_AsStringAndSize(t->bytes, &the_token, &size);
for (char **keyword = p->soft_keywords; *keyword != NULL; keyword++) {
if (strncmp(*keyword, the_token, size) == 0) {
if (strlen(*keyword) == (size_t)size &&
strncmp(*keyword, the_token, (size_t)size) == 0) {
return _PyPegen_name_from_token(p, t);
}
}