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bpo-35059: Enhance _PyObject_AssertFailed() (GH-10642)

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Enhance _PyObject_AssertFailed()

* Exchange 'expr' and 'msg' parameters
* 'expr' and 'func' arguments can now be NULL
This commit is contained in:
Victor Stinner 2018-11-21 23:53:44 +01:00 committed by GitHub
parent bcda8f1d42
commit f1d002c1e0
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 20 additions and 14 deletions
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8
Include/object.h
View File

@ -1158,8 +1158,8 @@ _PyObject_DebugTypeStats(FILE *out);
((expr) \
? (void)(0) \
: _PyObject_AssertFailed((obj), \
(msg), \
Py_STRINGIFY(expr), \
(msg), \
__FILE__, \
__LINE__, \
__func__))
@ -1169,11 +1169,13 @@ _PyObject_DebugTypeStats(FILE *out);
/* Declare and define _PyObject_AssertFailed() even when NDEBUG is defined,
to avoid causing compiler/linker errors when building extensions without
NDEBUG against a Python built with NDEBUG defined. */
NDEBUG against a Python built with NDEBUG defined.
msg, expr and function can be NULL. */
PyAPI_FUNC(void) _PyObject_AssertFailed(
PyObject *obj,
const char *msg,
const char *expr,
const char *msg,
const char *file,
int line,
const char *function);

2
Lib/test/test_capi.py
View File

@ -330,7 +330,7 @@ class CAPITest(unittest.TestCase):
rc, out, err = assert_python_failure('-c', code)
self.assertRegex(err,
br'_testcapimodule\.c:[0-9]+: '
br'_Py_NegativeRefcount: Assertion ".*" failed; '
br'_Py_NegativeRefcount: Assertion failed: '
br'object has negative ref count')

24
Objects/object.c
View File

@ -205,8 +205,7 @@ void _Py_dec_count(PyTypeObject *tp)
void
_Py_NegativeRefcount(const char *filename, int lineno, PyObject *op)
{
_PyObject_AssertFailed(op, "object has negative ref count",
"op->ob_refcnt >= 0",
_PyObject_AssertFailed(op, NULL, "object has negative ref count",
filename, lineno, __func__);
}
@ -2219,21 +2218,26 @@ _PyTrash_thread_destroy_chain(void)
void
_PyObject_AssertFailed(PyObject *obj, const char *msg, const char *expr,
_PyObject_AssertFailed(PyObject *obj, const char *expr, const char *msg,
const char *file, int line, const char *function)
{
fprintf(stderr,
"%s:%d: %s: Assertion \"%s\" failed",
file, line, function, expr);
fprintf(stderr, "%s:%d: ", file, line);
if (function) {
fprintf(stderr, "%s: ", function);
}
fflush(stderr);
if (msg) {
fprintf(stderr, "; %s.\n", msg);
if (expr) {
fprintf(stderr, "Assertion \"%s\" failed", expr);
}
else {
fprintf(stderr, ".\n");
fprintf(stderr, "Assertion failed");
}
fflush(stderr);
if (msg) {
fprintf(stderr, ": %s", msg);
}
fprintf(stderr, "\n");
fflush(stderr);
if (obj == NULL) {
fprintf(stderr, "<NULL object>\n");