visible is true iff the field should be in the request API.
wire is true iff the field should be in the request structure.
auto is true iff the field is on the wire but not in the request API (e.g. opcode)
+ enum is the enum name this field refers to, if any.
'''
- def __init__(self, type, field_type, field_name, visible, wire, auto):
+ def __init__(self, type, field_type, field_name, visible, wire, auto, enum=None, isfd=False):
self.type = type
self.field_type = field_type
self.field_name = field_name
+ self.enum = enum
self.visible = visible
self.wire = wire
self.auto = auto
+ self.isfd = isfd
class Expression(object):
self.lenfield_name = None
self.lenfield_type = None
+ self.lenfield_parent = None
self.lenfield = None
self.lenwire = False
self.bitfield = False
self.rhs = Expression(list(elt)[0], parent)
self.lenfield_name = self.rhs.lenfield_name
-
+
elif elt.tag == 'value':
# Constant expression
self.nmemb = int(elt.text, 0)
+ elif elt.tag == 'popcount':
+ self.op = 'popcount'
+ self.rhs = Expression(list(elt)[0], parent)
+ self.lenfield_name = self.rhs.lenfield_name
+ # xcb_popcount returns 'int' - handle the type in the language-specific part
+
+ elif elt.tag == 'enumref':
+ self.op = 'enumref'
+ self.lenfield_name = (elt.get('ref'), elt.text)
+
+ elif elt.tag == 'sumof':
+ self.op = 'sumof'
+ self.lenfield_name = elt.get('ref')
+
else:
# Notreached
- raise Exception('XXX')
-
+ raise Exception("undefined tag '%s'" % elt.tag)
def fixed_size(self):
return self.nmemb != None
+
+ def resolve(self, module, parents):
+ if self.op == 'enumref':
+ self.lenfield_type = module.get_type(self.lenfield_name[0])
+ self.lenfield_name = self.lenfield_name[1]
+ elif self.op == 'sumof':
+ # need to find the field with lenfield_name
+ for p in reversed(parents):
+ fields = dict([(f.field_name, f) for f in p.fields])
+ if self.lenfield_name in fields.keys():
+ if p.is_bitcase:
+ # switch is the anchestor
+ self.lenfield_parent = p.parents[-1]
+ else:
+ self.lenfield_parent = p
+ self.lenfield_type = fields[self.lenfield_name].field_type
+ break
+