[PATCH 8/9 V3] Add documentation for the new DTS language.
David Gibson
david at gibson.dropbear.id.au
Fri Oct 3 10:23:37 EST 2008
On Thu, Oct 02, 2008 at 01:50:04PM -0600, M. Warner Losh wrote:
> In message: <20081002152242.GB22258 at ld0162-tx32.am.freescale.net>
> Scott Wood <scottwood at freescale.com> writes:
> : On Thu, Oct 02, 2008 at 11:18:00AM +1000, David Gibson wrote:
> : > > I vote against anything similar to the C preprocessor.
> : >
> : > Why?
> :
> : It's not nearly as powerful as the semantic approach, and it is
> : syntactically clumsy (I do *not* want to have to put a backslash at the
> : end of every line within a macro, for example).
>
> And there are no looping constructs at all in CPP. You flat out can't
> do a generalized for loop with the macro language, for example. Its
But we can put looping constructs into the expression support which
macros can then use.
> symbols also do not map 1-1/onto symbols used by the dts files. It
> can only grok macros you define for it, so it has no way of knowing
> many useful things that dts just knows.
Uh.. I'm not sure what you mean by this.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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