def _import(cls):
prefix = 'ffi_type_'
for key, value in clibffi.__dict__.iteritems():
if key.startswith(prefix):
name = key[len(prefix):]
setattr(cls, name, value)
cls.slong = clibffi.cast_type_to_ffitype(rffi.LONG)
cls.ulong = clibffi.cast_type_to_ffitype(rffi.ULONG)
cls.slonglong = clibffi.cast_type_to_ffitype(rffi.LONGLONG)
cls.ulonglong = clibffi.cast_type_to_ffitype(rffi.ULONGLONG)
cls.wchar_t = clibffi.cast_type_to_ffitype(lltype.UniChar)
del cls._import
def _import(cls):
prefix = 'ffi_type_'
for key, value in clibffi.__dict__.iteritems():
if key.startswith(prefix):
name = key[len(prefix):]
setattr(cls, name, value)
cls.slong = clibffi.cast_type_to_ffitype(rffi.LONG)
cls.ulong = clibffi.cast_type_to_ffitype(rffi.ULONG)
cls.slonglong = clibffi.cast_type_to_ffitype(rffi.LONGLONG)
cls.ulonglong = clibffi.cast_type_to_ffitype(rffi.ULONGLONG)
cls.wchar_t = clibffi.cast_type_to_ffitype(lltype.UniChar)
del cls._import
def _read(self, storage, width, i, offset):
if we_are_translated():
res = libffi.array_getitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset)
else:
res = libffi.array_getitem_T(self.T, width, storage, i, offset)
return byteswap(res)
def _read(self, storage, width, i, offset):
if we_are_translated():
res = libffi.array_getitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset)
else:
res = libffi.array_getitem_T(self.T, width, storage, i, offset)
return byteswap(res)
def _write(self, storage, width, i, offset, value):
#value = byteswap(value) XXX
if we_are_translated():
libffi.array_setitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset, value)
else:
libffi.array_setitem_T(self.T, width, storage, i, offset, value)
def _write(self, storage, width, i, offset, value):
#value = byteswap(value) XXX
if we_are_translated():
libffi.array_setitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset, value)
else:
libffi.array_setitem_T(self.T, width, storage, i, offset, value)
def define_callback_with_collect(cls):
from pypy.rlib.clibffi import ffi_type_pointer, cast_type_to_ffitype,\
CDLL, ffi_type_void, CallbackFuncPtr, ffi_type_sint
from pypy.rpython.lltypesystem import rffi, ll2ctypes
import gc
ffi_size_t = cast_type_to_ffitype(rffi.SIZE_T)
from pypy.rlib.clibffi import get_libc_name
def callback(ll_args, ll_res, stuff):
gc.collect()
p_a1 = rffi.cast(rffi.VOIDPP, ll_args[0])[0]
p_a2 = rffi.cast(rffi.VOIDPP, ll_args[1])[0]
a1 = rffi.cast(rffi.LONGP, p_a1)[0]
a2 = rffi.cast(rffi.LONGP, p_a2)[0]
res = rffi.cast(rffi.INTP, ll_res)
if a1 > a2:
res[0] = rffi.cast(rffi.INT, 1)
else:
res[0] = rffi.cast(rffi.INT, -1)
def f():
libc = CDLL(get_libc_name())
qsort = libc.getpointer(
'qsort',
[ffi_type_pointer, ffi_size_t, ffi_size_t, ffi_type_pointer],
ffi_type_void)
ptr = CallbackFuncPtr([ffi_type_pointer, ffi_type_pointer],
ffi_type_sint, callback)
TP = rffi.CArray(rffi.LONG)
to_sort = lltype.malloc(TP, 4, flavor='raw')
to_sort[0] = 4
to_sort[1] = 3
to_sort[2] = 1
to_sort[3] = 2
qsort.push_arg(rffi.cast(rffi.VOIDP, to_sort))
qsort.push_arg(rffi.cast(rffi.SIZE_T, 4))
qsort.push_arg(rffi.cast(rffi.SIZE_T, rffi.sizeof(rffi.LONG)))
qsort.push_arg(rffi.cast(rffi.VOIDP, ptr.ll_closure))
qsort.call(lltype.Void)
result = [to_sort[i] for i in range(4)] == [1, 2, 3, 4]
lltype.free(to_sort, flavor='raw')
keepalive_until_here(ptr)
return int(result)
return f
def define_callback_with_collect(cls):
from pypy.rlib.clibffi import ffi_type_pointer, cast_type_to_ffitype,\
CDLL, ffi_type_void, CallbackFuncPtr, ffi_type_sint
from pypy.rpython.lltypesystem import rffi, ll2ctypes
import gc
ffi_size_t = cast_type_to_ffitype(rffi.SIZE_T)
from pypy.rlib.clibffi import get_libc_name
def callback(ll_args, ll_res, stuff):
gc.collect()
p_a1 = rffi.cast(rffi.VOIDPP, ll_args[0])[0]
p_a2 = rffi.cast(rffi.VOIDPP, ll_args[1])[0]
a1 = rffi.cast(rffi.LONGP, p_a1)[0]
a2 = rffi.cast(rffi.LONGP, p_a2)[0]
res = rffi.cast(rffi.INTP, ll_res)
if a1 > a2:
res[0] = rffi.cast(rffi.INT, 1)
else:
res[0] = rffi.cast(rffi.INT, -1)
def f():
libc = CDLL(get_libc_name())
qsort = libc.getpointer('qsort', [ffi_type_pointer, ffi_size_t,
ffi_size_t, ffi_type_pointer],
ffi_type_void)
ptr = CallbackFuncPtr([ffi_type_pointer, ffi_type_pointer],
ffi_type_sint, callback)
TP = rffi.CArray(rffi.LONG)
to_sort = lltype.malloc(TP, 4, flavor='raw')
to_sort[0] = 4
to_sort[1] = 3
to_sort[2] = 1
to_sort[3] = 2
qsort.push_arg(rffi.cast(rffi.VOIDP, to_sort))
qsort.push_arg(rffi.cast(rffi.SIZE_T, 4))
qsort.push_arg(rffi.cast(rffi.SIZE_T, rffi.sizeof(rffi.LONG)))
qsort.push_arg(rffi.cast(rffi.VOIDP, ptr.ll_closure))
qsort.call(lltype.Void)
result = [to_sort[i] for i in range(4)] == [1,2,3,4]
lltype.free(to_sort, flavor='raw')
keepalive_until_here(ptr)
return int(result)
return f
def read(self, storage, width, i, offset):
return self.box(libffi.array_getitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset
))
def _setup():
# compute alignment
for tp in globals().values():
if isinstance(tp, type) and hasattr(tp, 'T'):
tp.alignment = clibffi.cast_type_to_ffitype(tp.T).c_alignment
def store(self, storage, width, i, offset, box):
value = self.unbox(box)
libffi.array_setitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset, value
)
def fill(self, storage, width, box, start, stop, offset):
value = self.unbox(box)
for i in xrange(start, stop):
libffi.array_setitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset, value
)
def read_bool(self, storage, width, i, offset):
return bool(self.for_computation(
libffi.array_getitem(clibffi.cast_type_to_ffitype(self.T),
width, storage, i, offset)))
def store(self, storage, width, i, offset, box):
value = self.unbox(box)
libffi.array_setitem(clibffi.cast_type_to_ffitype(self.T), width,
storage, i, offset, value)
def fill(self, storage, width, box, start, stop, offset):
value = self.unbox(box)
for i in xrange(start, stop):
libffi.array_setitem(clibffi.cast_type_to_ffitype(self.T), width,
storage, i, offset, value)
def _setup():
# compute alignment
for tp in globals().values():
if isinstance(tp, type) and hasattr(tp, 'T'):
tp.alignment = clibffi.cast_type_to_ffitype(tp.T).c_alignment
def read(self, storage, width, i, offset):
return self.box(
libffi.array_getitem(clibffi.cast_type_to_ffitype(self.T), width,
storage, i, offset))
