mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 16:39:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-100050: Fix an assertion error when raising unclosed parenthesis errors in the tokenizer (GH-100065)

Browse source 
(cherry picked from commit 97e7004cfe)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Automerge-Triggered-By: GH:pablogsal
This commit is contained in:
Miss Islington (bot) 2022-12-07 01:18:00 -08:00 • committed by GitHub
parent fbc3e1ed90
commit 2b97ddd512
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 22 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Lib/test/test_syntax.py
View file

@ -2095,6 +2095,22 @@ def func2():
for paren in ")]}":
self._check_error(paren + "1 + 2", f"unmatched '\\{paren}'")
# Some more complex examples:
code = """\
func(
a=["unclosed], # Need a quote in this comment: "
b=2,
)
"""
self._check_error(code, "parenthesis '\\)' does not match opening parenthesis '\\['")
def test_error_string_literal(self):
self._check_error("'blech", "unterminated string literal")
self._check_error('"blech', "unterminated string literal")
self._check_error("'''blech", "unterminated triple-quoted string literal")
self._check_error('"""blech', "unterminated triple-quoted string literal")
def test_invisible_characters(self):
self._check_error('print\x17("Hello")', "invalid non-printable character")

2
Misc/NEWS.d/next/Core and Builtins/2022-12-06-22-24-01.gh-issue-100050.lcrPqQ.rst Normal file
View file

@ -0,0 +1,2 @@
Honor existing errors obtained when searching for mismatching parentheses in
the tokenizer. Patch by Pablo Galindo

4
Parser/pegen_errors.c
View file

@ -170,6 +170,10 @@ _PyPegen_tokenize_full_source_to_check_for_errors(Parser *p) {
const char *end;
switch (_PyTokenizer_Get(p->tok, &start, &end)) {
case ERRORTOKEN:
if (PyErr_Occurred()) {
ret = -1;
goto exit;
}
if (p->tok->level != 0) {
int error_lineno = p->tok->parenlinenostack[p->tok->level-1];
if (current_err_line > error_lineno) {