RE: [sv-bc] Mantis 933: Width casting

An intent of the first (aggregate_constructors7_as_friendly_amended) of
the two changes approved for 

    http://www.eda-stds.org/svdb/view.php?id=254
 
was to enable any constant_primary that evaluates to a positive number
to be used as a casting type.  For example, see the usage of the result
of $bits() as a casting type in the proposal for 

    http://www.eda-stds.org/svdb/view.php?id=1401

-- Brad
 
________________________________

From: owner-sv-bc@eda.org [mailto:owner-sv-bc@eda.org] On Behalf Of
Bresticker, Shalom
Sent: Thursday, August 02, 2007 8:13 AM
To: sv-bc
Subject: [sv-bc] Mantis 933: Width casting



Hi, 

Mantis 933 is for clarification of the sentence in 6.24.1: 

"A positive decimal number as a data type means a number of bits to
change the size." 

Looking at the BNF, I guess that for that to occur, the casting_type
must be either constant_primary (which includes
ps_parameter_identifier).

Is the meaning that the casting_type must be a number or that its value
must be a positive integer? 

Any why decimal? 

It is not clear what is legal here and what is not. 

Thanks, 
Shalom 

Shalom Bresticker 
Intel Jerusalem LAD DA 
+972 2 589-6852 
+972 54 721-1033 


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