In section
23.2.2.3 Rules
for determining port kind, data type and direction,
the first declaration in a list of port declarations is discussed
specially in order to give the defaults
for these port properties.
However, the addition of .named_port(expression) syntax to the
ANSI-style port declaration lists
should also
effectively reset all the "inheritable" properties
except port direction and require subsequent
port declarations to re-establish an inheritable
kind and
data
type.
As written, the LRM implies that the (self-determined) data type of a
previous named port would be
available as the default data type going into the next port declared.
That is probably not how any
existing systems treat this case. More specification needed.
Greg
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Received on Fri Sep 18 12:58:13 2009