def finalize_call(self, args, args_w, call_local):
stride = capi.c_function_arg_sizeof()
for i in range(len(args_w)):
conv = self.converters[i]
arg_i = lltype.direct_ptradd(rffi.cast(rffi.CCHARP, args), i * stride)
loc_i = self._address_from_local_buffer(call_local, i)
conv.finalize_call(self.space, args_w[i], loc_i)
conv.free_argument(self.space, rffi.cast(capi.C_OBJECT, arg_i), loc_i)
capi.c_deallocate_function_args(args)
def prepare_arguments(self, args_w, call_local):
args = capi.c_allocate_function_args(self.space, len(args_w))
stride = capi.c_function_arg_sizeof(self.space)
for i in range(len(args_w)):
conv = self.converters[i]
w_arg = args_w[i]
try:
arg_i = lltype.direct_ptradd(rffi.cast(rffi.CCHARP, args), i*stride)
loc_i = self._address_from_local_buffer(call_local, i)
conv.convert_argument(self.space, w_arg, rffi.cast(capi.C_OBJECT, arg_i), loc_i)
except:
# fun :-(
for j in range(i):
conv = self.converters[j]
arg_j = lltype.direct_ptradd(rffi.cast(rffi.CCHARP, args), j*stride)
loc_j = self._address_from_local_buffer(call_local, j)
conv.free_argument(self.space, rffi.cast(capi.C_OBJECT, arg_j), loc_j)
capi.c_deallocate_function_args(self.space, args)
raise
return args
