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comparison Python/ceval.c @ 64633:e080f11fca19

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use Py_REFCNT
author Benjamin Peterson <benjamin@python.org>
date Fri, 10 Sep 2010 23:52:42 +0000
parents 56844b716cd7
children 1764796e9eca
comparison
equal deleted inserted replaced
64632:f31e0c7c02e3 64633:e080f11fca19
4392 PyErr_SetString(PyExc_OverflowError, 4392 PyErr_SetString(PyExc_OverflowError,
4393 "strings are too large to concat"); 4393 "strings are too large to concat");
4394 return NULL; 4394 return NULL;
4395 } 4395 }
4396 4396
4397 if (v->ob_refcnt == 2) { 4397 if (Py_REFCNF(v) == 2) {
4398 /* In the common case, there are 2 references to the value 4398 /* In the common case, there are 2 references to the value
4399 * stored in 'variable' when the += is performed: one on the 4399 * stored in 'variable' when the += is performed: one on the
4400 * value stack (in 'v') and one still stored in the 4400 * value stack (in 'v') and one still stored in the
4401 * 'variable'. We try to delete the variable now to reduce 4401 * 'variable'. We try to delete the variable now to reduce
4402 * the refcnt to 1. 4402 * the refcnt to 1.
4433 break; 4433 break;
4434 } 4434 }
4435 } 4435 }
4436 } 4436 }
4437 4437
4438 if (v->ob_refcnt == 1 && !PyUnicode_CHECK_INTERNED(v)) { 4438 if (Py_REFCNF(v) == 1 && !PyUnicode_CHECK_INTERNED(v)) {
4439 /* Now we own the last reference to 'v', so we can resize it 4439 /* Now we own the last reference to 'v', so we can resize it
4440 * in-place. 4440 * in-place.
4441 */ 4441 */
4442 if (PyUnicode_Resize(&v, new_len) != 0) { 4442 if (PyUnicode_Resize(&v, new_len) != 0) {
4443 /* XXX if PyUnicode_Resize() fails, 'v' has been 4443 /* XXX if PyUnicode_Resize() fails, 'v' has been