230 lines
9.4 KiB
C
230 lines
9.4 KiB
C
#define _CFFI_
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#include <Python.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#include "parse_c_type.h"
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/* this block of #ifs should be kept exactly identical between
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c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py
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and cffi/_cffi_include.h */
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#if defined(_MSC_VER)
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# include <malloc.h> /* for alloca() */
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# if _MSC_VER < 1600 /* MSVC < 2010 */
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typedef __int8 int8_t;
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typedef __int16 int16_t;
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typedef __int32 int32_t;
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typedef __int64 int64_t;
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typedef unsigned __int8 uint8_t;
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typedef unsigned __int16 uint16_t;
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typedef unsigned __int32 uint32_t;
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typedef unsigned __int64 uint64_t;
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typedef __int8 int_least8_t;
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typedef __int16 int_least16_t;
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typedef __int32 int_least32_t;
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typedef __int64 int_least64_t;
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typedef unsigned __int8 uint_least8_t;
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typedef unsigned __int16 uint_least16_t;
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typedef unsigned __int32 uint_least32_t;
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typedef unsigned __int64 uint_least64_t;
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typedef __int8 int_fast8_t;
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typedef __int16 int_fast16_t;
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typedef __int32 int_fast32_t;
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typedef __int64 int_fast64_t;
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typedef unsigned __int8 uint_fast8_t;
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typedef unsigned __int16 uint_fast16_t;
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typedef unsigned __int32 uint_fast32_t;
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typedef unsigned __int64 uint_fast64_t;
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typedef __int64 intmax_t;
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typedef unsigned __int64 uintmax_t;
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# else
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# include <stdint.h>
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# endif
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# if _MSC_VER < 1800 /* MSVC < 2013 */
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typedef unsigned char _Bool;
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# endif
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#else
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# include <stdint.h>
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# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux)
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# include <alloca.h>
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# endif
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#endif
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#ifdef __GNUC__
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# define _CFFI_UNUSED_FN __attribute__((unused))
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#else
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# define _CFFI_UNUSED_FN /* nothing */
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#endif
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/********** CPython-specific section **********/
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#ifndef PYPY_VERSION
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#if PY_MAJOR_VERSION >= 3
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# define PyInt_FromLong PyLong_FromLong
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#endif
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#define _cffi_from_c_double PyFloat_FromDouble
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#define _cffi_from_c_float PyFloat_FromDouble
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#define _cffi_from_c_long PyInt_FromLong
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#define _cffi_from_c_ulong PyLong_FromUnsignedLong
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#define _cffi_from_c_longlong PyLong_FromLongLong
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#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong
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#define _cffi_to_c_double PyFloat_AsDouble
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#define _cffi_to_c_float PyFloat_AsDouble
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#define _cffi_from_c_int(x, type) \
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(((type)-1) > 0 ? /* unsigned */ \
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(sizeof(type) < sizeof(long) ? \
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PyInt_FromLong((long)x) : \
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sizeof(type) == sizeof(long) ? \
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PyLong_FromUnsignedLong((unsigned long)x) : \
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PyLong_FromUnsignedLongLong((unsigned long long)x)) : \
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(sizeof(type) <= sizeof(long) ? \
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PyInt_FromLong((long)x) : \
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PyLong_FromLongLong((long long)x)))
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#define _cffi_to_c_int(o, type) \
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((type)( \
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sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \
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: (type)_cffi_to_c_i8(o)) : \
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sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \
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: (type)_cffi_to_c_i16(o)) : \
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sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \
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: (type)_cffi_to_c_i32(o)) : \
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sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \
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: (type)_cffi_to_c_i64(o)) : \
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(Py_FatalError("unsupported size for type " #type), (type)0)))
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#define _cffi_to_c_i8 \
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((int(*)(PyObject *))_cffi_exports[1])
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#define _cffi_to_c_u8 \
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((int(*)(PyObject *))_cffi_exports[2])
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#define _cffi_to_c_i16 \
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((int(*)(PyObject *))_cffi_exports[3])
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#define _cffi_to_c_u16 \
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((int(*)(PyObject *))_cffi_exports[4])
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#define _cffi_to_c_i32 \
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((int(*)(PyObject *))_cffi_exports[5])
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#define _cffi_to_c_u32 \
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((unsigned int(*)(PyObject *))_cffi_exports[6])
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#define _cffi_to_c_i64 \
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((long long(*)(PyObject *))_cffi_exports[7])
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#define _cffi_to_c_u64 \
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((unsigned long long(*)(PyObject *))_cffi_exports[8])
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#define _cffi_to_c_char \
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((int(*)(PyObject *))_cffi_exports[9])
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#define _cffi_from_c_pointer \
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((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[10])
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#define _cffi_to_c_pointer \
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((char *(*)(PyObject *, CTypeDescrObject *))_cffi_exports[11])
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#define _cffi_get_struct_layout \
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not used any more
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#define _cffi_restore_errno \
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((void(*)(void))_cffi_exports[13])
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#define _cffi_save_errno \
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((void(*)(void))_cffi_exports[14])
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#define _cffi_from_c_char \
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((PyObject *(*)(char))_cffi_exports[15])
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#define _cffi_from_c_deref \
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((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[16])
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#define _cffi_to_c \
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((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[17])
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#define _cffi_from_c_struct \
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((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[18])
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#define _cffi_to_c_wchar_t \
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((wchar_t(*)(PyObject *))_cffi_exports[19])
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#define _cffi_from_c_wchar_t \
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((PyObject *(*)(wchar_t))_cffi_exports[20])
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#define _cffi_to_c_long_double \
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((long double(*)(PyObject *))_cffi_exports[21])
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#define _cffi_to_c__Bool \
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((_Bool(*)(PyObject *))_cffi_exports[22])
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#define _cffi_prepare_pointer_call_argument \
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((Py_ssize_t(*)(CTypeDescrObject *, PyObject *, char **))_cffi_exports[23])
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#define _cffi_convert_array_from_object \
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((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[24])
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#define _CFFI_NUM_EXPORTS 25
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typedef struct _ctypedescr CTypeDescrObject;
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static void *_cffi_exports[_CFFI_NUM_EXPORTS];
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#define _cffi_type(index) ( \
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assert((((uintptr_t)_cffi_types[index]) & 1) == 0), \
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(CTypeDescrObject *)_cffi_types[index])
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static PyObject *_cffi_init(const char *module_name, Py_ssize_t version,
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const struct _cffi_type_context_s *ctx)
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{
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PyObject *module, *o_arg, *new_module;
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void *raw[] = {
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(void *)module_name,
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(void *)version,
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(void *)_cffi_exports,
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(void *)ctx,
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};
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module = PyImport_ImportModule("_cffi_backend");
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if (module == NULL)
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goto failure;
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o_arg = PyLong_FromVoidPtr((void *)raw);
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if (o_arg == NULL)
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goto failure;
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new_module = PyObject_CallMethod(
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module, (char *)"_init_cffi_1_0_external_module", (char *)"O", o_arg);
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Py_DECREF(o_arg);
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Py_DECREF(module);
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return new_module;
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failure:
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Py_XDECREF(module);
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return NULL;
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}
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_CFFI_UNUSED_FN
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static PyObject **_cffi_unpack_args(PyObject *args_tuple, Py_ssize_t expected,
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const char *fnname)
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{
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if (PyTuple_GET_SIZE(args_tuple) != expected) {
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PyErr_Format(PyExc_TypeError,
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"%.150s() takes exactly %zd arguments (%zd given)",
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fnname, expected, PyTuple_GET_SIZE(args_tuple));
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return NULL;
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}
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return &PyTuple_GET_ITEM(args_tuple, 0); /* pointer to the first item,
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the others follow */
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}
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#endif
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/********** end CPython-specific section **********/
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#define _cffi_array_len(array) (sizeof(array) / sizeof((array)[0]))
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#define _cffi_prim_int(size, sign) \
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((size) == 1 ? ((sign) ? _CFFI_PRIM_INT8 : _CFFI_PRIM_UINT8) : \
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(size) == 2 ? ((sign) ? _CFFI_PRIM_INT16 : _CFFI_PRIM_UINT16) : \
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(size) == 4 ? ((sign) ? _CFFI_PRIM_INT32 : _CFFI_PRIM_UINT32) : \
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(size) == 8 ? ((sign) ? _CFFI_PRIM_INT64 : _CFFI_PRIM_UINT64) : \
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_CFFI__UNKNOWN_PRIM)
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#define _cffi_prim_float(size) \
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((size) == sizeof(float) ? _CFFI_PRIM_FLOAT : \
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(size) == sizeof(double) ? _CFFI_PRIM_DOUBLE : \
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(size) == sizeof(long double) ? _CFFI__UNKNOWN_LONG_DOUBLE : \
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_CFFI__UNKNOWN_FLOAT_PRIM)
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#define _cffi_check_int(got, got_nonpos, expected) \
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((got_nonpos) == (expected <= 0) && \
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(got) == (unsigned long long)expected)
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#ifdef __cplusplus
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}
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#endif
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