def _setup_repr(self):
InstanceRepr._setup_repr(self)
flds = self.allinstancefields.keys()
flds.remove('__class__')
if self.is_parent:
if flds:
raise TyperError("%r is a base class of an UnboxedValue,"
"so it cannot have fields: %r" % (
self.classdef, flds))
else:
if len(flds) != 1:
raise TyperError("%r must have exactly one field: %r" % (
self.classdef, flds))
self.specialfieldname = flds[0]
def ll_str(self, i):
if lltype.cast_ptr_to_int(i) & 1:
from rpython.rtyper.lltypesystem import rstr
from rpython.rtyper.rint import signed_repr
llstr1 = signed_repr.ll_str(ll_unboxed_to_int(i))
return rstr.ll_strconcat(rstr.unboxed_instance_str_prefix,
rstr.ll_strconcat(llstr1,
rstr.unboxed_instance_str_suffix))
else:
return InstanceRepr.ll_str(self, i)
def __init__(self, rtyper, classdef, unboxedclassdef):
InstanceRepr.__init__(self, rtyper, classdef)
self.unboxedclassdef = unboxedclassdef
self.is_parent = unboxedclassdef is not classdef
