RE: [sv-bc] Macro mantis proposals 1397 & 1478

From: Bresticker, Shalom <shalom.bresticker_at_.....>
Date: Thu Dec 06 2007 - 09:06:53 PST
You don't agree that joining the macro text with what comes after it
would turn the macro text into half a token?

Shalom 

> -----Original Message-----
> From: owner-sv-bc@server.eda.org 
> [mailto:owner-sv-bc@server.eda.org] On Behalf Of Brad Pierce
> Sent: Thursday, December 06, 2007 6:19 PM
> To: sv-bc@server.eda.org
> Subject: RE: [sv-bc] Macro mantis proposals 1397 & 1478
> 
> No, I don't agree.  My macro text ended in an escaped 
> identifier.  The proposal would strip off its trailing 
> whitespace.  In any case, the example is a natural one for an 
> implementer to think of, so the LRM really ought to be clear 
> on the point, if only by giving an example.
> 
> -- Brad 
> 
> -----Original Message-----
> From: owner-sv-bc@eda.org [mailto:owner-sv-bc@eda.org] On 
> Behalf Of Bresticker, Shalom
> Sent: Thursday, December 06, 2007 2:31 AM
> To: Brad Pierce; sv-bc@eda.org
> Subject: RE: [sv-bc] Macro mantis proposals 1397 & 1478
> 
> Brad,
> 
> 1. It is true that 1339 is formally being revoted. However, 
> there was informal oral agreement on the last revision of the 
> proposal at the most recent meeting.
> 
> 2. Your example probably should not work because of the rule 
> that a macro text may not begin or end in the middle of a 
> token. The precise LRM text in 21.5 is
> 
> "The text specified for macro text shall not be split across 
> the following lexical tokens:
> - Comments
> - Numbers
> - String literals
> - Identifiers
> - Keywords
> - Operators" 
> 
> Do you agree?
> 
> Thanks,
> Shalom
> 
> 
> > -----Original Message-----
> > From: owner-sv-bc@server.eda.org
> > [mailto:owner-sv-bc@server.eda.org] On Behalf Of Brad Pierce
> > Sent: Thursday, December 06, 2007 4:30 AM
> > To: sv-bc@server.eda.org
> > Subject: RE: [sv-bc] Macro mantis proposals 1397 & 1478
> > 
> > > Mantis 1339 has been approved which adds the last sentence below:
> > 
> > Mantis 1339 is still being considered by the current e-mail vote.  
> > Also, I added the following bugnote to it
> > 
> > --------------------------
> > 
> > It would be nice to see an example of what this proposal means for 
> > macro texts that end with escaped identifiers. For example, I think 
> > the following would be legal Verilog under this proposal
> > 
> >    `define MAC(ignored) \!@#
> >    wire `MAC(ignored)%^&* = 1'b1;
> >    wire w = \!@#%^&* ;
> > 
> > -------------------------
> > 
> > -- Brad
> > 
> > --
> > This message has been scanned for viruses and dangerous content by 
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> > 
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Received on Thu Dec 6 09:08:15 2007

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