mirror of https://github.com/python/cpython
217 lines
8.9 KiB
C
217 lines
8.9 KiB
C
#include "parts.h"
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#include <stddef.h> // for offsetof()
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// This defines two classes that contain all the simple member types, one
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// using "new" Py_-prefixed API, and the other using "old" <structmember.h>.
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// They should behave identically in Python.
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typedef struct {
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char bool_member;
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char byte_member;
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unsigned char ubyte_member;
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short short_member;
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unsigned short ushort_member;
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int int_member;
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unsigned int uint_member;
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long long_member;
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unsigned long ulong_member;
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Py_ssize_t pyssizet_member;
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float float_member;
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double double_member;
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char inplace_member[6];
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long long longlong_member;
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unsigned long long ulonglong_member;
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} all_structmembers;
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typedef struct {
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PyObject_HEAD
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all_structmembers structmembers;
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} test_structmembers;
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static struct PyMemberDef test_members_newapi[] = {
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{"T_BOOL", Py_T_BOOL, offsetof(test_structmembers, structmembers.bool_member), 0, NULL},
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{"T_BYTE", Py_T_BYTE, offsetof(test_structmembers, structmembers.byte_member), 0, NULL},
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{"T_UBYTE", Py_T_UBYTE, offsetof(test_structmembers, structmembers.ubyte_member), 0, NULL},
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{"T_SHORT", Py_T_SHORT, offsetof(test_structmembers, structmembers.short_member), 0, NULL},
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{"T_USHORT", Py_T_USHORT, offsetof(test_structmembers, structmembers.ushort_member), 0, NULL},
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{"T_INT", Py_T_INT, offsetof(test_structmembers, structmembers.int_member), 0, NULL},
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{"T_UINT", Py_T_UINT, offsetof(test_structmembers, structmembers.uint_member), 0, NULL},
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{"T_LONG", Py_T_LONG, offsetof(test_structmembers, structmembers.long_member), 0, NULL},
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{"T_ULONG", Py_T_ULONG, offsetof(test_structmembers, structmembers.ulong_member), 0, NULL},
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{"T_PYSSIZET", Py_T_PYSSIZET, offsetof(test_structmembers, structmembers.pyssizet_member), 0, NULL},
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{"T_FLOAT", Py_T_FLOAT, offsetof(test_structmembers, structmembers.float_member), 0, NULL},
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{"T_DOUBLE", Py_T_DOUBLE, offsetof(test_structmembers, structmembers.double_member), 0, NULL},
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{"T_STRING_INPLACE", Py_T_STRING_INPLACE, offsetof(test_structmembers, structmembers.inplace_member), 0, NULL},
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{"T_LONGLONG", Py_T_LONGLONG, offsetof(test_structmembers, structmembers.longlong_member), 0, NULL},
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{"T_ULONGLONG", Py_T_ULONGLONG, offsetof(test_structmembers, structmembers.ulonglong_member), 0, NULL},
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{NULL}
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};
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static PyObject *
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test_structmembers_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
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{
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static char *keywords[] = {
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"T_BOOL", "T_BYTE", "T_UBYTE", "T_SHORT", "T_USHORT",
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"T_INT", "T_UINT", "T_LONG", "T_ULONG", "T_PYSSIZET",
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"T_FLOAT", "T_DOUBLE", "T_STRING_INPLACE",
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"T_LONGLONG", "T_ULONGLONG",
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NULL};
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static const char fmt[] = "|bbBhHiIlknfds#LK";
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test_structmembers *ob;
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const char *s = NULL;
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Py_ssize_t string_len = 0;
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ob = PyObject_New(test_structmembers, type);
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if (ob == NULL) {
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return NULL;
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}
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memset(&ob->structmembers, 0, sizeof(all_structmembers));
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if (!PyArg_ParseTupleAndKeywords(args, kwargs, fmt, keywords,
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&ob->structmembers.bool_member,
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&ob->structmembers.byte_member,
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&ob->structmembers.ubyte_member,
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&ob->structmembers.short_member,
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&ob->structmembers.ushort_member,
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&ob->structmembers.int_member,
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&ob->structmembers.uint_member,
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&ob->structmembers.long_member,
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&ob->structmembers.ulong_member,
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&ob->structmembers.pyssizet_member,
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&ob->structmembers.float_member,
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&ob->structmembers.double_member,
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&s, &string_len,
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&ob->structmembers.longlong_member,
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&ob->structmembers.ulonglong_member))
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{
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Py_DECREF(ob);
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return NULL;
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}
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if (s != NULL) {
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if (string_len > 5) {
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Py_DECREF(ob);
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PyErr_SetString(PyExc_ValueError, "string too long");
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return NULL;
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}
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strcpy(ob->structmembers.inplace_member, s);
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}
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else {
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strcpy(ob->structmembers.inplace_member, "");
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}
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return (PyObject *)ob;
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}
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static PyType_Slot test_structmembers_slots[] = {
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{Py_tp_new, test_structmembers_new},
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{Py_tp_members, test_members_newapi},
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{0},
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};
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static PyType_Spec test_structmembers_spec = {
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.name = "_testcapi._test_structmembersType_NewAPI",
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.flags = Py_TPFLAGS_DEFAULT,
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.basicsize = sizeof(test_structmembers),
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.slots = test_structmembers_slots,
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};
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#include <structmember.h>
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static struct PyMemberDef test_members[] = {
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{"T_BOOL", T_BOOL, offsetof(test_structmembers, structmembers.bool_member), 0, NULL},
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{"T_BYTE", T_BYTE, offsetof(test_structmembers, structmembers.byte_member), 0, NULL},
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{"T_UBYTE", T_UBYTE, offsetof(test_structmembers, structmembers.ubyte_member), 0, NULL},
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{"T_SHORT", T_SHORT, offsetof(test_structmembers, structmembers.short_member), 0, NULL},
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{"T_USHORT", T_USHORT, offsetof(test_structmembers, structmembers.ushort_member), 0, NULL},
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{"T_INT", T_INT, offsetof(test_structmembers, structmembers.int_member), 0, NULL},
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{"T_UINT", T_UINT, offsetof(test_structmembers, structmembers.uint_member), 0, NULL},
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{"T_LONG", T_LONG, offsetof(test_structmembers, structmembers.long_member), 0, NULL},
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{"T_ULONG", T_ULONG, offsetof(test_structmembers, structmembers.ulong_member), 0, NULL},
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{"T_PYSSIZET", T_PYSSIZET, offsetof(test_structmembers, structmembers.pyssizet_member), 0, NULL},
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{"T_FLOAT", T_FLOAT, offsetof(test_structmembers, structmembers.float_member), 0, NULL},
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{"T_DOUBLE", T_DOUBLE, offsetof(test_structmembers, structmembers.double_member), 0, NULL},
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{"T_STRING_INPLACE", T_STRING_INPLACE, offsetof(test_structmembers, structmembers.inplace_member), 0, NULL},
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{"T_LONGLONG", T_LONGLONG, offsetof(test_structmembers, structmembers.longlong_member), 0, NULL},
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{"T_ULONGLONG", T_ULONGLONG, offsetof(test_structmembers, structmembers.ulonglong_member), 0, NULL},
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{NULL}
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};
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static void
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test_structmembers_free(PyObject *ob)
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{
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PyObject_Free(ob);
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}
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/* Designated initializers would work too, but this does test the *old* API */
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static PyTypeObject test_structmembersType_OldAPI= {
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PyVarObject_HEAD_INIT(NULL, 0)
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"test_structmembersType_OldAPI",
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sizeof(test_structmembers), /* tp_basicsize */
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0, /* tp_itemsize */
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test_structmembers_free, /* destructor tp_dealloc */
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0, /* tp_vectorcall_offset */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_as_async */
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0, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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PyObject_GenericGetAttr, /* tp_getattro */
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PyObject_GenericSetAttr, /* tp_setattro */
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0, /* tp_as_buffer */
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0, /* tp_flags */
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"Type containing all structmember types",
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0, /* traverseproc tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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0, /* tp_iter */
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0, /* tp_iternext */
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0, /* tp_methods */
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test_members, /* tp_members */
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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test_structmembers_new, /* tp_new */
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};
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int
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_PyTestCapi_Init_Structmember(PyObject *m)
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{
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int res;
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res = PyType_Ready(&test_structmembersType_OldAPI);
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if (res < 0) {
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return -1;
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}
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res = PyModule_AddObject(
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m,
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"_test_structmembersType_OldAPI",
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(PyObject *)&test_structmembersType_OldAPI);
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if (res < 0) {
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return -1;
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}
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PyObject *test_structmembersType_NewAPI = PyType_FromModuleAndSpec(
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m, &test_structmembers_spec, NULL);
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if (!test_structmembersType_NewAPI) {
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return -1;
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}
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res = PyModule_AddType(m, (PyTypeObject*)test_structmembersType_NewAPI);
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Py_DECREF(test_structmembersType_NewAPI);
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if (res < 0) {
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return -1;
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}
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return 0;
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}
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