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| author | AlexSm <[email protected]> | 2024-03-05 10:40:59 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-03-05 12:40:59 +0300 |
| commit | 1ac13c847b5358faba44dbb638a828e24369467b (patch) | |
| tree | 07672b4dd3604ad3dee540a02c6494cb7d10dc3d /contrib/tools/python3/src/Python/structmember.c | |
| parent | ffcca3e7f7958ddc6487b91d3df8c01054bd0638 (diff) | |
Library import 16 (#2433)
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Diffstat (limited to 'contrib/tools/python3/src/Python/structmember.c')
| -rw-r--r-- | contrib/tools/python3/src/Python/structmember.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/contrib/tools/python3/src/Python/structmember.c b/contrib/tools/python3/src/Python/structmember.c deleted file mode 100644 index ebebaa0a034..00000000000 --- a/contrib/tools/python3/src/Python/structmember.c +++ /dev/null @@ -1,334 +0,0 @@ - -/* Map C struct members to Python object attributes */ - -#include "Python.h" -#include "structmember.h" // PyMemberDef - -PyObject * -PyMember_GetOne(const char *obj_addr, PyMemberDef *l) -{ - PyObject *v; - if (l->flags & Py_RELATIVE_OFFSET) { - PyErr_SetString( - PyExc_SystemError, - "PyMember_GetOne used with Py_RELATIVE_OFFSET"); - return NULL; - } - - const char* addr = obj_addr + l->offset; - switch (l->type) { - case T_BOOL: - v = PyBool_FromLong(*(char*)addr); - break; - case T_BYTE: - v = PyLong_FromLong(*(char*)addr); - break; - case T_UBYTE: - v = PyLong_FromUnsignedLong(*(unsigned char*)addr); - break; - case T_SHORT: - v = PyLong_FromLong(*(short*)addr); - break; - case T_USHORT: - v = PyLong_FromUnsignedLong(*(unsigned short*)addr); - break; - case T_INT: - v = PyLong_FromLong(*(int*)addr); - break; - case T_UINT: - v = PyLong_FromUnsignedLong(*(unsigned int*)addr); - break; - case T_LONG: - v = PyLong_FromLong(*(long*)addr); - break; - case T_ULONG: - v = PyLong_FromUnsignedLong(*(unsigned long*)addr); - break; - case T_PYSSIZET: - v = PyLong_FromSsize_t(*(Py_ssize_t*)addr); - break; - case T_FLOAT: - v = PyFloat_FromDouble((double)*(float*)addr); - break; - case T_DOUBLE: - v = PyFloat_FromDouble(*(double*)addr); - break; - case T_STRING: - if (*(char**)addr == NULL) { - v = Py_NewRef(Py_None); - } - else - v = PyUnicode_FromString(*(char**)addr); - break; - case T_STRING_INPLACE: - v = PyUnicode_FromString((char*)addr); - break; - case T_CHAR: - v = PyUnicode_FromStringAndSize((char*)addr, 1); - break; - case T_OBJECT: - v = *(PyObject **)addr; - if (v == NULL) - v = Py_None; - Py_INCREF(v); - break; - case T_OBJECT_EX: - v = *(PyObject **)addr; - if (v == NULL) { - PyObject *obj = (PyObject *)obj_addr; - PyTypeObject *tp = Py_TYPE(obj); - PyErr_Format(PyExc_AttributeError, - "'%.200s' object has no attribute '%s'", - tp->tp_name, l->name); - } - Py_XINCREF(v); - break; - case T_LONGLONG: - v = PyLong_FromLongLong(*(long long *)addr); - break; - case T_ULONGLONG: - v = PyLong_FromUnsignedLongLong(*(unsigned long long *)addr); - break; - case T_NONE: - v = Py_NewRef(Py_None); - break; - default: - PyErr_SetString(PyExc_SystemError, "bad memberdescr type"); - v = NULL; - } - return v; -} - -#define WARN(msg) \ - do { \ - if (PyErr_WarnEx(PyExc_RuntimeWarning, msg, 1) < 0) \ - return -1; \ - } while (0) - -int -PyMember_SetOne(char *addr, PyMemberDef *l, PyObject *v) -{ - PyObject *oldv; - if (l->flags & Py_RELATIVE_OFFSET) { - PyErr_SetString( - PyExc_SystemError, - "PyMember_SetOne used with Py_RELATIVE_OFFSET"); - return -1; - } - - addr += l->offset; - - if ((l->flags & READONLY)) - { - PyErr_SetString(PyExc_AttributeError, "readonly attribute"); - return -1; - } - if (v == NULL) { - if (l->type == T_OBJECT_EX) { - /* Check if the attribute is set. */ - if (*(PyObject **)addr == NULL) { - PyErr_SetString(PyExc_AttributeError, l->name); - return -1; - } - } - else if (l->type != T_OBJECT) { - PyErr_SetString(PyExc_TypeError, - "can't delete numeric/char attribute"); - return -1; - } - } - switch (l->type) { - case T_BOOL:{ - if (!PyBool_Check(v)) { - PyErr_SetString(PyExc_TypeError, - "attribute value type must be bool"); - return -1; - } - if (v == Py_True) - *(char*)addr = (char) 1; - else - *(char*)addr = (char) 0; - break; - } - case T_BYTE:{ - long long_val = PyLong_AsLong(v); - if ((long_val == -1) && PyErr_Occurred()) - return -1; - *(char*)addr = (char)long_val; - /* XXX: For compatibility, only warn about truncations - for now. */ - if ((long_val > CHAR_MAX) || (long_val < CHAR_MIN)) - WARN("Truncation of value to char"); - break; - } - case T_UBYTE:{ - long long_val = PyLong_AsLong(v); - if ((long_val == -1) && PyErr_Occurred()) - return -1; - *(unsigned char*)addr = (unsigned char)long_val; - if ((long_val > UCHAR_MAX) || (long_val < 0)) - WARN("Truncation of value to unsigned char"); - break; - } - case T_SHORT:{ - long long_val = PyLong_AsLong(v); - if ((long_val == -1) && PyErr_Occurred()) - return -1; - *(short*)addr = (short)long_val; - if ((long_val > SHRT_MAX) || (long_val < SHRT_MIN)) - WARN("Truncation of value to short"); - break; - } - case T_USHORT:{ - long long_val = PyLong_AsLong(v); - if ((long_val == -1) && PyErr_Occurred()) - return -1; - *(unsigned short*)addr = (unsigned short)long_val; - if ((long_val > USHRT_MAX) || (long_val < 0)) - WARN("Truncation of value to unsigned short"); - break; - } - case T_INT:{ - long long_val = PyLong_AsLong(v); - if ((long_val == -1) && PyErr_Occurred()) - return -1; - *(int *)addr = (int)long_val; - if ((long_val > INT_MAX) || (long_val < INT_MIN)) - WARN("Truncation of value to int"); - break; - } - case T_UINT: { - /* XXX: For compatibility, accept negative int values - as well. */ - int overflow; - long long_val = PyLong_AsLongAndOverflow(v, &overflow); - if (long_val == -1 && PyErr_Occurred()) { - return -1; - } - if (overflow < 0) { - PyErr_SetString(PyExc_OverflowError, - "Python int too large to convert to C long"); - return -1; - } - else if (!overflow) { - *(unsigned int *)addr = (unsigned int)(unsigned long)long_val; - if (long_val < 0) { - WARN("Writing negative value into unsigned field"); - } - else if ((unsigned long)long_val > UINT_MAX) { - WARN("Truncation of value to unsigned short"); - } - } - else { - unsigned long ulong_val = PyLong_AsUnsignedLong(v); - if (ulong_val == (unsigned long)-1 && PyErr_Occurred()) { - return -1; - } - *(unsigned int*)addr = (unsigned int)ulong_val; - if (ulong_val > UINT_MAX) { - WARN("Truncation of value to unsigned int"); - } - } - break; - } - case T_LONG:{ - *(long*)addr = PyLong_AsLong(v); - if ((*(long*)addr == -1) && PyErr_Occurred()) - return -1; - break; - } - case T_ULONG: { - /* XXX: For compatibility, accept negative int values - as well. */ - int overflow; - long long_val = PyLong_AsLongAndOverflow(v, &overflow); - if (long_val == -1 && PyErr_Occurred()) { - return -1; - } - if (overflow < 0) { - PyErr_SetString(PyExc_OverflowError, - "Python int too large to convert to C long"); - return -1; - } - else if (!overflow) { - *(unsigned long *)addr = (unsigned long)long_val; - if (long_val < 0) { - WARN("Writing negative value into unsigned field"); - } - } - else { - unsigned long ulong_val = PyLong_AsUnsignedLong(v); - if (ulong_val == (unsigned long)-1 && PyErr_Occurred()) { - return -1; - } - *(unsigned long*)addr = ulong_val; - } - break; - } - case T_PYSSIZET:{ - *(Py_ssize_t*)addr = PyLong_AsSsize_t(v); - if ((*(Py_ssize_t*)addr == (Py_ssize_t)-1) - && PyErr_Occurred()) - return -1; - break; - } - case T_FLOAT:{ - double double_val = PyFloat_AsDouble(v); - if ((double_val == -1) && PyErr_Occurred()) - return -1; - *(float*)addr = (float)double_val; - break; - } - case T_DOUBLE: - *(double*)addr = PyFloat_AsDouble(v); - if ((*(double*)addr == -1) && PyErr_Occurred()) - return -1; - break; - case T_OBJECT: - case T_OBJECT_EX: - oldv = *(PyObject **)addr; - *(PyObject **)addr = Py_XNewRef(v); - Py_XDECREF(oldv); - break; - case T_CHAR: { - const char *string; - Py_ssize_t len; - - string = PyUnicode_AsUTF8AndSize(v, &len); - if (string == NULL || len != 1) { - PyErr_BadArgument(); - return -1; - } - *(char*)addr = string[0]; - break; - } - case T_STRING: - case T_STRING_INPLACE: - PyErr_SetString(PyExc_TypeError, "readonly attribute"); - return -1; - case T_LONGLONG:{ - long long value; - *(long long*)addr = value = PyLong_AsLongLong(v); - if ((value == -1) && PyErr_Occurred()) - return -1; - break; - } - case T_ULONGLONG:{ - unsigned long long value; - /* ??? PyLong_AsLongLong accepts an int, but PyLong_AsUnsignedLongLong - doesn't ??? */ - if (PyLong_Check(v)) - *(unsigned long long*)addr = value = PyLong_AsUnsignedLongLong(v); - else - *(unsigned long long*)addr = value = PyLong_AsLong(v); - if ((value == (unsigned long long)-1) && PyErr_Occurred()) - return -1; - break; - } - default: - PyErr_Format(PyExc_SystemError, - "bad memberdescr type for %s", l->name); - return -1; - } - return 0; -} |
