Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 2 | /* Type object implementation */ |
| 3 | |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 4 | #include "Python.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 5 | |
| 6 | /* Type object implementation */ |
| 7 | |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 8 | static PyObject * |
Fred Drake | 45cfbcc | 2000-07-09 06:21:27 +0000 | [diff] [blame] | 9 | type_getattr(PyTypeObject *t, char *name) |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 10 | { |
| 11 | if (strcmp(name, "__name__") == 0) |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 12 | return PyString_FromString(t->tp_name); |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 13 | if (strcmp(name, "__doc__") == 0) { |
| 14 | char *doc = t->tp_doc; |
| 15 | if (doc != NULL) |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 16 | return PyString_FromString(doc); |
| 17 | Py_INCREF(Py_None); |
| 18 | return Py_None; |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 19 | } |
| 20 | if (strcmp(name, "__members__") == 0) |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 21 | return Py_BuildValue("[ss]", "__doc__", "__name__"); |
| 22 | PyErr_SetString(PyExc_AttributeError, name); |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 23 | return NULL; |
| 24 | } |
| 25 | |
Martin v. Löwis | 0163d6d | 2001-06-09 07:34:05 +0000 | [diff] [blame^] | 26 | static int |
| 27 | type_compare(PyObject *v, PyObject *w) |
| 28 | { |
| 29 | /* This is called with type objects only. So we |
| 30 | can just compare the addresses. */ |
| 31 | Py_uintptr_t vv = (Py_uintptr_t)v; |
| 32 | Py_uintptr_t ww = (Py_uintptr_t)w; |
| 33 | return (vv < ww) ? -1 : (vv > ww) ? 1 : 0; |
| 34 | } |
| 35 | |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 36 | static PyObject * |
Fred Drake | 45cfbcc | 2000-07-09 06:21:27 +0000 | [diff] [blame] | 37 | type_repr(PyTypeObject *v) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 38 | { |
| 39 | char buf[100]; |
| 40 | sprintf(buf, "<type '%.80s'>", v->tp_name); |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 41 | return PyString_FromString(buf); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 42 | } |
| 43 | |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 44 | PyTypeObject PyType_Type = { |
| 45 | PyObject_HEAD_INIT(&PyType_Type) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 46 | 0, /* Number of items for varobject */ |
| 47 | "type", /* Name of this type */ |
Guido van Rossum | c0b618a | 1997-05-02 03:12:38 +0000 | [diff] [blame] | 48 | sizeof(PyTypeObject), /* Basic object size */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 49 | 0, /* Item size for varobject */ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 50 | 0, /*tp_dealloc*/ |
Guido van Rossum | 7066dd7 | 1992-09-17 17:54:56 +0000 | [diff] [blame] | 51 | 0, /*tp_print*/ |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 52 | (getattrfunc)type_getattr, /*tp_getattr*/ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 53 | 0, /*tp_setattr*/ |
Martin v. Löwis | 0163d6d | 2001-06-09 07:34:05 +0000 | [diff] [blame^] | 54 | type_compare, /*tp_compare*/ |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 55 | (reprfunc)type_repr, /*tp_repr*/ |
| 56 | 0, /*tp_as_number*/ |
| 57 | 0, /*tp_as_sequence*/ |
| 58 | 0, /*tp_as_mapping*/ |
Martin v. Löwis | 0163d6d | 2001-06-09 07:34:05 +0000 | [diff] [blame^] | 59 | _Py_HashPointer, /*tp_hash*/ |
Guido van Rossum | 29ca26e | 1995-01-07 11:58:15 +0000 | [diff] [blame] | 60 | 0, /*tp_call*/ |
| 61 | 0, /*tp_str*/ |
| 62 | 0, /*tp_xxx1*/ |
| 63 | 0, /*tp_xxx2*/ |
| 64 | 0, /*tp_xxx3*/ |
| 65 | 0, /*tp_xxx4*/ |
Guido van Rossum | 80c2a16 | 1997-06-02 14:43:07 +0000 | [diff] [blame] | 66 | "Define the behavior of a particular type of object.", |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 67 | }; |