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marshaller: Correctly determine if switches are fixed size

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Switches are fixed size only if all cases have the same size *and*
it has a default case or all the valid cases are listed.
This commit is contained in:
Alexander Larsson 2010-06-23 16:18:21 +02:00 committed by Marc-André Lureau
parent 32dbd8a6a5
commit db5b8fa673
1 changed files with 9 additions and 1 deletions
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10
python_modules/ptypes.py
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@ -630,14 +630,22 @@ class Switch(Containee):
return True
size = None
has_default = False
for c in self.cases:
for v in c.values:
if v == None:
has_default = True
if not c.member.is_fixed_nw_size():
return False
if size == None:
size = c.member.get_fixed_nw_size()
elif size != c.member.get_fixed_nw_size():
return False
return True
# Fixed size if all elements listed, or has default
if has_default:
return True
key = self.container.lookup_member(self.variable)
return len(self.cases) == len(key.member_type.values)
def is_extra_size(self):
return self.has_end_attr()