def _unwrap_object(self, space, w_obj):
from pypy.module._cppyy.interp_cppyy import W_CPPInstance
if isinstance(w_obj, W_CPPInstance):
if capi.c_is_subtype(space, w_obj.cppclass, self.cppclass):
rawobject = w_obj.get_rawobject()
offset = capi.c_base_offset(space, w_obj.cppclass,
self.cppclass, rawobject, 1)
obj_address = capi.direct_ptradd(rawobject, offset)
return rffi.cast(capi.C_OBJECT, obj_address)
raise oefmt(space.w_TypeError, "cannot pass %T as %s", w_obj,
self.cppclass.name)
def _unwrap_object(self, space, w_obj):
from pypy.module._cppyy.interp_cppyy import W_CPPInstance
if isinstance(w_obj, W_CPPInstance):
# w_obj could carry a 'hidden' smart ptr or be one, cover both cases
have_match = False
if w_obj.smartdecl and capi.c_is_subtype(space, w_obj.smartdecl, self.smartdecl):
# hidden case, do not derefence when getting obj address
have_match = True
rawobject = w_obj._rawobject # TODO: this direct access if fugly
offset = capi.c_base_offset(space, w_obj.smartdecl, self.smartdecl, rawobject, 1)
elif capi.c_is_subtype(space, w_obj.clsdecl, self.smartdecl):
# exposed smart pointer
have_match = True
rawobject = w_obj.get_rawobject()
offset = capi.c_base_offset(space, w_obj.clsdecl, self.smartdecl, rawobject, 1)
if have_match:
obj_address = capi.direct_ptradd(rawobject, offset)
return rffi.cast(capi.C_OBJECT, obj_address)
raise oefmt(space.w_TypeError,
"cannot pass %T instance as %s", w_obj, self.rawdecl.name)
def _unwrap_object(self, space, w_obj):
from pypy.module._cppyy.interp_cppyy import W_CPPInstance
if isinstance(w_obj, W_CPPInstance):
from pypy.module._cppyy.interp_cppyy import INSTANCE_FLAGS_IS_RVALUE
if w_obj.rt_flags & INSTANCE_FLAGS_IS_RVALUE:
# reject moves as all are explicit
raise ValueError("lvalue expected")
if capi.c_is_subtype(space, w_obj.clsdecl, self.clsdecl):
rawobject = w_obj.get_rawobject()
offset = capi.c_base_offset(space, w_obj.clsdecl, self.clsdecl, rawobject, 1)
obj_address = capi.direct_ptradd(rawobject, offset)
return rffi.cast(capi.C_OBJECT, obj_address)
raise oefmt(space.w_TypeError,
"cannot pass %T instance as %s", w_obj, self.clsdecl.name)