commit 2990fa11bc6f8a78b90a2a742756a6fd45c4833d
author Victor Stinner <victor.stinner@gmail.com> Mon Aug 22 23:21:55 2016 +0200
committer Victor Stinner <victor.stinner@gmail.com> Mon Aug 22 23:21:55 2016 +0200
tree c65c584609f8e5c8e1a27648382877927b55baf5
parent 6fea7f7ffc5ca840e4d54b5777669129b8ee6276

Issue #27809: Use _PyObject_FastCallDict()

Modify:

* builtin_sorted()
* classmethoddescr_call()
* methoddescr_call()
* wrapperdescr_call()

Objects/descrobject.c

diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 4bc73b9..8b53ac2 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -213,7 +213,7 @@
 methoddescr_call(PyMethodDescrObject *descr, PyObject *args, PyObject *kwds)
 {
     Py_ssize_t argc;
-    PyObject *self, *func, *result;
+    PyObject *self, *func, *result, **stack;
 
     /* Make sure that the first argument is acceptable as 'self' */
     assert(PyTuple_Check(args));
@@ -242,13 +242,8 @@
     func = PyCFunction_NewEx(descr->d_method, self, NULL);
     if (func == NULL)
         return NULL;
-    args = PyTuple_GetSlice(args, 1, argc);
-    if (args == NULL) {
-        Py_DECREF(func);
-        return NULL;
-    }
-    result = PyEval_CallObjectWithKeywords(func, args, kwds);
-    Py_DECREF(args);
+    stack = &PyTuple_GET_ITEM(args, 1);
+    result = _PyObject_FastCallDict(func, stack, argc - 1, kwds);
     Py_DECREF(func);
     return result;
 }
@@ -258,7 +253,7 @@
                       PyObject *kwds)
 {
     Py_ssize_t argc;
-    PyObject *self, *func, *result;
+    PyObject *self, *func, *result, **stack;
 
     /* Make sure that the first argument is acceptable as 'self' */
     assert(PyTuple_Check(args));
@@ -295,14 +290,9 @@
     func = PyCFunction_NewEx(descr->d_method, self, NULL);
     if (func == NULL)
         return NULL;
-    args = PyTuple_GetSlice(args, 1, argc);
-    if (args == NULL) {
-        Py_DECREF(func);
-        return NULL;
-    }
-    result = PyEval_CallObjectWithKeywords(func, args, kwds);
+    stack = &PyTuple_GET_ITEM(args, 1);
+    result = _PyObject_FastCallDict(func, stack, argc - 1, kwds);
     Py_DECREF(func);
-    Py_DECREF(args);
     return result;
 }
 
@@ -310,7 +300,7 @@
 wrapperdescr_call(PyWrapperDescrObject *descr, PyObject *args, PyObject *kwds)
 {
     Py_ssize_t argc;
-    PyObject *self, *func, *result;
+    PyObject *self, *func, *result, **stack;
 
     /* Make sure that the first argument is acceptable as 'self' */
     assert(PyTuple_Check(args));
@@ -339,13 +329,9 @@
     func = PyWrapper_New((PyObject *)descr, self);
     if (func == NULL)
         return NULL;
-    args = PyTuple_GetSlice(args, 1, argc);
-    if (args == NULL) {
-        Py_DECREF(func);
-        return NULL;
-    }
-    result = PyEval_CallObjectWithKeywords(func, args, kwds);
-    Py_DECREF(args);
+
+    stack = &PyTuple_GET_ITEM(args, 1);
+    result = _PyObject_FastCallDict(func, stack, argc - 1, kwds);
     Py_DECREF(func);
     return result;
 }