cpython: 154f78d387f9 (original) (raw)

Mercurial > cpython

changeset 102785:154f78d387f9

call_trampoline() now uses fast call Issue #27128. [#27128]

Victor Stinner victor.stinner@gmail.com
date	Sat, 20 Aug 2016 01:22:57 +0200
parents	e5b24f595235
children	351b987d6d1c
files	Python/sysmodule.c
diffstat	1 files changed, 12 insertions(+), 21 deletions(-)[+] [-] Python/sysmodule.c 33

line wrap: on

line diff

--- a/Python/sysmodule.c +++ b/Python/sysmodule.c @@ -368,34 +368,25 @@ static PyObject call_trampoline(PyObject callback, PyFrameObject *frame, int what, PyObject *arg) {

PyObject *args;
PyObject *whatstr; PyObject *result; -
args = PyTuple_New(3);
if (args == NULL)
```
   return NULL;[](#l1.13)
```
if (PyFrame_FastToLocalsWithError(frame) < 0)
```
   return NULL;[](#l1.15)
```

PyObject *stack[3];

Py_INCREF(frame);
whatstr = whatstrings[what];
Py_INCREF(whatstr);
if (arg == NULL)
```
   arg = Py_None;[](#l1.22)
```
Py_INCREF(arg);
PyTuple_SET_ITEM(args, 0, (PyObject *)frame);
PyTuple_SET_ITEM(args, 1, whatstr);
PyTuple_SET_ITEM(args, 2, arg);

if (PyFrame_FastToLocalsWithError(frame) < 0) {
```
   return NULL;[](#l1.28)
```
}

stack[0] = (PyObject *)frame;
stack[1] = whatstrings[what];
stack[2] = (arg != NULL) ? arg : Py_None;

/* call the Python-level function */

result = PyEval_CallObject(callback, args);

result = _PyObject_FastCall(callback, stack, 3, NULL);

+ PyFrame_LocalsToFast(frame, 1);

if (result == NULL)

if (result == NULL) { PyTraceBack_Here(frame);
}

/* cleanup */
Py_DECREF(args); return result; }