RE: [sv-ec] String maniulation functions

Ok, I'll bite. Why in std?
 
Shalom


________________________________

	From: Rich, Dave [mailto:Dave_Rich@mentor.com] 
	Sent: Friday, May 30, 2008 9:07 PM
	To: Bresticker, Shalom; sv-ec@server.eda.org
	Subject: RE: [sv-ec] String maniulation functions
	
	

	What I would really like is std::itoa(i) :-)

	 

	
________________________________


	From: Bresticker, Shalom [mailto:shalom.bresticker@intel.com] 
	Sent: Friday, May 30, 2008 4:15 AM
	To: Rich, Dave; sv-ec@server.eda.org
	Subject: RE: [sv-ec] String maniulation functions

	 

	Probably because they are not defined as built-in system
functions, but rather as string variable methods, so str.itoa(i)
converts i's decimal representation and stores it into a str. Otherwise,
what do you need str for? What you would like is a $itoa, similar to
$itor.

	 

	Shalom

		 

		
________________________________


		From: owner-sv-ec@server.eda.org
[mailto:owner-sv-ec@server.eda.org] On Behalf Of Rich, Dave
		Sent: Friday, May 30, 2008 8:24 AM
		To: sv-ec@server.eda.org
		Subject: [sv-ec] String maniulation functions

		Does anyone know why all the ato* (atoi, atohex, atooct,
atobin, atoreal) methods are functions that return a value, and all the
*toa (itoa, hextoa, octtoa, bintoa, realtoa) methods are void functions
instead of returning a string? The LRM says the ato* methods are the
inverse of the *toa methods. That's not true if the *toa functions are
void functions.

		 

		The reason I ask is that there seems to be a hole in SV
in that you can covert a string parameter to an integer parameter, but
you can't convert an integer parameter to a string parameter. Even if
you try to create a wrapper function

		 

		function string itoa(int arg);

		  itoa.itoa(arg);

		endfunction

		 

		This is not legal as a constant function because void
functions are not legal inside constant functions.

		 

		Also, mantis 2184 missed $sformatf as a valid constant
system function if all arguments are constant expressions.

		 

		 

		 

		David Rich
		Verification Technologist
		Design Verification & Test Division
		Mentor Graphics Corporation
		dave_rich@mentor.com
		Office:   408 487-7206
		Cell:     510 589-2625

		 

		
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