self.is_union = False
self.is_pad = False
self.is_switch = False
+ self.is_case_or_bitcase = False
self.is_bitcase = False
+ self.is_case = False
def resolve(self, module):
'''
return
complex_type.fields.append(new_field)
+ new_field.parent = complex_type
def make_fd_of(self, module, complex_type, fd_name):
'''
Type.__init__(self, tcard8.name)
self.is_pad = True
self.size = 1
- self.nmemb = 1 if (elt == None) else int(elt.get('bytes'), 0)
+ self.nmemb = 1
+ self.align = 1
+ if elt != None:
+ self.nmemb = int(elt.get('bytes', "1"), 0)
+ self.align = int(elt.get('align', "1"), 0)
def resolve(self, module):
self.resolved = True
def fixed_size(self):
- return True
+ return self.align <= 1
class ComplexType(Type):
# Resolve all of our field datatypes.
for index, child in enumerate(list(self.elt)):
- if child.tag == 'bitcase':
+ if child.tag == 'bitcase' or child.tag == 'case':
field_name = child.get('name')
if field_name is None:
- field_type = self.name + ('bitcase%d' % index,)
+ field_type = self.name + ('%s%d' % ( child.tag, index ),)
else:
field_type = self.name + (field_name,)
# use self.parent to indicate anchestor,
# as switch does not contain named fields itself
- type = BitcaseType(index, field_type, child, *parents)
+ if child.tag == 'bitcase':
+ type = BitcaseType(index, field_type, child, *parents)
+ else:
+ type = CaseType(index, field_type, child, *parents)
+
# construct the switch type name from the parent type and the field name
if field_name is None:
type.has_name = False
out = __main__.output['union']
-class BitcaseType(ComplexType):
+class CaseOrBitcaseType(ComplexType):
'''
- Derived class representing a struct data type.
+ Derived class representing a case or bitcase.
'''
def __init__(self, index, name, elt, *parent):
elts = list(elt)
self.index = 1
self.lenfield_parent = list(parent) + [self]
self.parents = list(parent)
- self.is_bitcase = True
+ self.is_case_or_bitcase = True
def make_member_of(self, module, switch_type, field_type, field_name, visible, wire, auto, enum=None):
'''
ComplexType.resolve(self, module)
+class BitcaseType(CaseOrBitcaseType):
+ '''
+ Derived class representing a bitcase.
+ '''
+ def __init__(self, index, name, elt, *parent):
+ CaseOrBitcaseType.__init__(self, index, name, elt, *parent)
+ self.is_bitcase = True
+
+class CaseType(CaseOrBitcaseType):
+ '''
+ Derived class representing a case.
+ '''
+ def __init__(self, index, name, elt, *parent):
+ CaseOrBitcaseType.__init__(self, index, name, elt, *parent)
+ self.is_case = True
+
+
class Reply(ComplexType):
'''
Derived class representing a reply. Only found as a field of Request.