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[3.11] gh-112388: Fix an error that was causing the parser to try to overwrite tokenizer errors (GH-112410) (#112467)

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gh-112388: Fix an error that was causing the parser to try to overwrite tokenizer errors (GH-112410)
(cherry picked from commit 2c8b191742)

Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-11-27 19:56:27 +01:00 • committed by GitHub
parent 054d18e883
commit 43b081bfc4
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3 changed files with 7 additions and 0 deletions
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1
Lib/test/test_syntax.py
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@ -2152,6 +2152,7 @@ def test_error_string_literal(self):
def test_invisible_characters(self):
self._check_error('print\x17("Hello")', "invalid non-printable character")
self._check_error(b"with(0,,):\n\x01", "invalid non-printable character")
def test_match_call_does_not_raise_syntax_error(self):
code = """

2
Misc/NEWS.d/next/Core and Builtins/2023-11-25-22-58-49.gh-issue-112388.MU3cIM.rst Normal file
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@ -0,0 +1,2 @@
Fix an error that was causing the parser to try to overwrite tokenizer
errors. Patch by pablo Galindo

4
Parser/pegen_errors.c
View file

@ -212,6 +212,10 @@ _PyPegen_tokenize_full_source_to_check_for_errors(Parser *p) {
void *
_PyPegen_raise_error(Parser *p, PyObject *errtype, const char *errmsg, ...)
{
// Bail out if we already have an error set.
if (p->error_indicator && PyErr_Occurred()) {
return NULL;
}
if (p->fill == 0) {
va_list va;
va_start(va, errmsg);