def build_id_class(orig_name, base_name):
name = base_name + '_id' + orig_name[len(base_name):]
if name in name_classes:
return name_classes[name]
orig_fe, _ = name_frontend_classes[orig_name]
if orig_fe.superclass:
superclass_name = base_name + '_id' + orig_fe.superclass[
len(base_name):]
superclass = build_id_class(orig_fe.superclass, base_name)
else:
superclass_name = None
superclass = None
ofc_members = []
for m in orig_fe.members:
if not isinstance(m, frontend_ir.OFDataMember) and not isinstance(
m, frontend_ir.OFPadMember):
ofc_members.append(m)
fe = frontend_ir.OFClass(name=name,
superclass=superclass_name,
members=ofc_members,
virtual=orig_fe.virtual,
params={})
base_length, is_fixed_length, member_lengths = \
ir_offset.calc_lengths(version, fe, name_classes, name_enums)
assert fe.virtual or is_fixed_length
members = []
c = OFClass(name=fe.name,
superclass=superclass,
members=members,
virtual=fe.virtual,
params=fe.params,
is_fixed_length=is_fixed_length,
base_length=base_length)
members.extend(
build_member(c, fe_member, member_lengths[fe_member])
for fe_member in fe.members)
name_classes[name] = c
return c
def build_class(name):
if name in name_classes:
return name_classes[name]
if name in build_touch_classes:
raise DependencyCycleException("Dependency cycle: {}".format(
" -> ".join(list(build_touch_classes) + [name])))
if not name in name_frontend_classes:
raise ClassNotFoundException("Class not found: {}".format(name))
build_touch_classes.add(name)
fe, _ = name_frontend_classes[name]
superclass = build_class(fe.superclass) if fe.superclass else None
# make sure members on which we depend are built first (for calc_length)
for m in fe.members:
if not hasattr(m, "oftype"):
continue
for m_name in re.sub(r'_t$', '', m.oftype), m.oftype:
logger.debug("Checking {}".format(m_name))
if m_name in name_frontend_classes:
build_class(m_name)
base_length, is_fixed_length, member_lengths = \
ir_offset.calc_lengths(version, fe, name_classes, name_enums)
members = []
c = OFClass(name=fe.name,
superclass=superclass,
members=members,
virtual=fe.virtual,
params=fe.params,
is_fixed_length=is_fixed_length,
base_length=base_length)
members.extend(
build_member(c, fe_member, member_lengths[fe_member])
for fe_member in fe.members)
name_classes[name] = c
build_touch_classes.remove(name)
return c
def build_class(name):
if name in name_classes:
return name_classes[name]
if name in build_touch_classes:
raise DependencyCycleException(
"Dependency cycle: {}".format(" -> ".join(list(build_touch_classes) + [name]))
)
if not name in name_frontend_classes:
raise ClassNotFoundException("Class not found: {}".format(name))
build_touch_classes.add(name)
fe, _ = name_frontend_classes[name]
superclass = build_class(fe.superclass) if fe.superclass else None
# make sure members on which we depend are built first (for calc_length)
for m in fe.members:
if not hasattr(m, "oftype"):
continue
for m_name in re.sub(r"_t$", "", m.oftype), m.oftype:
logger.debug("Checking {}".format(m_name))
if m_name in name_frontend_classes:
build_class(m_name)
base_length, is_fixed_length, member_lengths = ir_offset.calc_lengths(version, fe, name_classes, name_enums)
members = []
c = OFClass(
name=fe.name,
superclass=superclass,
members=members,
virtual=fe.virtual,
params=fe.params,
is_fixed_length=is_fixed_length,
base_length=base_length,
)
members.extend(build_member(c, fe_member, member_lengths[fe_member]) for fe_member in fe.members)
name_classes[name] = c
build_touch_classes.remove(name)
return c
def build_id_class(orig_name, base_name):
name = base_name + '_id' + orig_name[len(base_name):]
if name in name_classes:
return name_classes[name]
orig_fe, _ = name_frontend_classes[orig_name]
if orig_fe.superclass:
superclass_name = base_name + '_id' + orig_fe.superclass[len(base_name):]
superclass = build_id_class(orig_fe.superclass, base_name)
else:
superclass_name = None
superclass = None
ofc_members = []
for m in orig_fe.members:
if not isinstance(m, frontend_ir.OFDataMember) and not isinstance(m, frontend_ir.OFPadMember):
ofc_members.append(m)
fe = frontend_ir.OFClass(
name=name,
superclass=superclass_name,
members=ofc_members,
virtual=orig_fe.virtual,
params={})
base_length, is_fixed_length, member_lengths = \
ir_offset.calc_lengths(version, fe, name_classes, name_enums)
assert fe.virtual or is_fixed_length
members = []
c = OFClass(name=fe.name, superclass=superclass,
members=members, virtual=fe.virtual, params=fe.params,
is_fixed_length=is_fixed_length, base_length=base_length)
members.extend( build_member(c, fe_member, member_lengths[fe_member])
for fe_member in fe.members)
name_classes[name] = c
return c
