diff options
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.10/Objects/cellobject.c')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.10/Objects/cellobject.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.10/Objects/cellobject.c b/AppPkg/Applications/Python/Python-2.7.10/Objects/cellobject.c new file mode 100644 index 0000000000..463f7b1984 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.10/Objects/cellobject.c @@ -0,0 +1,145 @@ +/* Cell object implementation */
+
+#include "Python.h"
+
+PyObject *
+PyCell_New(PyObject *obj)
+{
+ PyCellObject *op;
+
+ op = (PyCellObject *)PyObject_GC_New(PyCellObject, &PyCell_Type);
+ if (op == NULL)
+ return NULL;
+ op->ob_ref = obj;
+ Py_XINCREF(obj);
+
+ _PyObject_GC_TRACK(op);
+ return (PyObject *)op;
+}
+
+PyObject *
+PyCell_Get(PyObject *op)
+{
+ if (!PyCell_Check(op)) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+ Py_XINCREF(((PyCellObject*)op)->ob_ref);
+ return PyCell_GET(op);
+}
+
+int
+PyCell_Set(PyObject *op, PyObject *obj)
+{
+ PyObject* oldobj;
+ if (!PyCell_Check(op)) {
+ PyErr_BadInternalCall();
+ return -1;
+ }
+ oldobj = PyCell_GET(op);
+ Py_XINCREF(obj);
+ PyCell_SET(op, obj);
+ Py_XDECREF(oldobj);
+ return 0;
+}
+
+static void
+cell_dealloc(PyCellObject *op)
+{
+ _PyObject_GC_UNTRACK(op);
+ Py_XDECREF(op->ob_ref);
+ PyObject_GC_Del(op);
+}
+
+static int
+cell_compare(PyCellObject *a, PyCellObject *b)
+{
+ /* Py3K warning for comparisons */
+ if (PyErr_WarnPy3k("cell comparisons not supported in 3.x",
+ 1) < 0) {
+ return -2;
+ }
+
+ if (a->ob_ref == NULL) {
+ if (b->ob_ref == NULL)
+ return 0;
+ return -1;
+ } else if (b->ob_ref == NULL)
+ return 1;
+ return PyObject_Compare(a->ob_ref, b->ob_ref);
+}
+
+static PyObject *
+cell_repr(PyCellObject *op)
+{
+ if (op->ob_ref == NULL)
+ return PyString_FromFormat("<cell at %p: empty>", op);
+
+ return PyString_FromFormat("<cell at %p: %.80s object at %p>",
+ op, op->ob_ref->ob_type->tp_name,
+ op->ob_ref);
+}
+
+static int
+cell_traverse(PyCellObject *op, visitproc visit, void *arg)
+{
+ Py_VISIT(op->ob_ref);
+ return 0;
+}
+
+static int
+cell_clear(PyCellObject *op)
+{
+ Py_CLEAR(op->ob_ref);
+ return 0;
+}
+
+static PyObject *
+cell_get_contents(PyCellObject *op, void *closure)
+{
+ if (op->ob_ref == NULL)
+ {
+ PyErr_SetString(PyExc_ValueError, "Cell is empty");
+ return NULL;
+ }
+ Py_INCREF(op->ob_ref);
+ return op->ob_ref;
+}
+
+static PyGetSetDef cell_getsetlist[] = {
+ {"cell_contents", (getter)cell_get_contents, NULL},
+ {NULL} /* sentinel */
+};
+
+PyTypeObject PyCell_Type = {
+ PyVarObject_HEAD_INIT(&PyType_Type, 0)
+ "cell",
+ sizeof(PyCellObject),
+ 0,
+ (destructor)cell_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ (cmpfunc)cell_compare, /* tp_compare */
+ (reprfunc)cell_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
+ 0, /* tp_doc */
+ (traverseproc)cell_traverse, /* tp_traverse */
+ (inquiry)cell_clear, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ 0, /* tp_methods */
+ 0, /* tp_members */
+ cell_getsetlist, /* tp_getset */
+};
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