def sizeof(ctype, count):
ctype = to_type(ctype)
if count:
size = simple.sizeof_a(ctype, count.value)
else:
size = simple.sizeof(ctype)
return Integer(size)
def sizeof(ctype, count):
ctype = to_type(ctype)
if count:
size = simple.sizeof_a(ctype, count.value)
else:
size = simple.sizeof(ctype)
return Integer(size)
def cast(obj, ctype):
ctype = to_type(ctype)
if isinstance(obj, Handle):
return Handle(obj.library, obj.name, obj.pointer, ctype)
if isinstance(obj, Mem):
return Mem(ctype, obj.pointer)
if isinstance(obj, Uint8Data):
return Mem(ctype, rffi.cast(rffi.VOIDP, obj.uint8data))
if isinstance(obj, Integer) and isinstance(ctype, Pointer):
return Mem(ctype, rffi.cast(rffi.VOIDP, obj.value))
raise unwind(LTypeError(u"Can cast memory locations only"))
def cast(obj, ctype):
ctype = to_type(ctype)
if isinstance(obj, Handle):
return Handle(obj.library, obj.name, obj.pointer, ctype)
if isinstance(obj, Mem):
return Mem(ctype, obj.pointer)
if isinstance(obj, Uint8Array):
return Mem(ctype, rffi.cast(rffi.VOIDP, obj.uint8data))
if isinstance(obj, Integer) and isinstance(ctype, Pointer):
return Mem(ctype, rffi.cast(rffi.VOIDP, obj.value))
raise unwind(LTypeError(u"Can cast memory locations only"))
def automem(ctype, count, clear):
ctype = to_type(ctype)
if count:
n = count.value
size = simple.sizeof_a(ctype, n)
else:
n = 1
size = simple.sizeof(ctype)
pointer = lltype.malloc(rffi.VOIDP.TO, size, flavor='raw')
if is_true(clear):
rffi.c_memset(pointer, 0, size)
return systemv.AutoMem(systemv.Pointer(ctype), pointer, n)
def automem(ctype, count, clear):
ctype = to_type(ctype)
if count:
n = count.value
size = simple.sizeof_a(ctype, n)
else:
n = 1
size = simple.sizeof(ctype)
pointer = lltype.malloc(rffi.VOIDP.TO, size, flavor='raw')
if is_true(clear):
rffi.c_memset(pointer, 0, size)
return systemv.AutoMem(systemv.Pointer(ctype), pointer, n)
