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From: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: David Gibson <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org>
Cc: devicetree-discuss
	<devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>
Subject: Re: DTS language enhancements
Date: Tue, 07 Oct 2008 11:46:41 -0500	[thread overview]
Message-ID: <48EB9271.2010801@freescale.com> (raw)
In-Reply-To: <20081007041725.GD19037-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>

David Gibson wrote:
> Oh, just remembered the more precise reason why this is the case.  By
> the time we get to the parser, whitespace and comments have
> disappeared entirely, which means they'd be ignored *in the midst* of
> node property names under this proposal, which is just not nice.
> 
> It's technically possible to recognize whitespace at the parser level
> instead, but it makes the grammar hideous.

Ah, right, that'd be unpleasant.  I think it could be done with a little 
less ugliness than fully recognizing whitespace in the parser (have the 
lexer set a flag on relevant tokens if the previous character was 
whitespace or a comment, and have the parser rule that glues the 
propnodename together check the flag and raise an error if set), but 
that's still uglier than the propnodename-after-opening-brace approach.

-Scott

  parent reply	other threads:[~2008-10-07 16:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-03  4:37 DTS language enhancements David Gibson
     [not found] ` <20081003043710.GH3002-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>
2008-10-03  5:08   ` Kumar Gala
     [not found]     ` <FB6717CF-EF47-40E1-B972-1E642066D5C6-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2008-10-03  5:29       ` David Gibson
2008-10-03 14:07       ` Jon Loeliger
     [not found]         ` <48E62739.8090109-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-10-04  4:18           ` David Gibson
2008-10-06 17:06   ` Scott Wood
     [not found]     ` <20081006170601.GA31967-VKaLA/mbEU932VTgPCOETVjVikpgYyvb5NbjCUgZEJk@public.gmane.org>
2008-10-07  1:41       ` David Gibson
     [not found]         ` <20081007014103.GA23135-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>
2008-10-07  4:17           ` David Gibson
     [not found]             ` <20081007041725.GD19037-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>
2008-10-07 16:46               ` Scott Wood [this message]
2008-10-07 16:50           ` Scott Wood
     [not found]             ` <20081007165038.GA17126-VKaLA/mbEU932VTgPCOETVjVikpgYyvb5NbjCUgZEJk@public.gmane.org>
2008-10-09  2:27               ` David Gibson
     [not found]                 ` <20081009022722.GC7997-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>
2008-10-09 15:08                   ` Scott Wood

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