> -----Original Message-----
> From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On
> Behalf Of Felix Polyudov
> Sent: Friday, April 12, 2019 11:04 AM
> To: devel@edk2.groups.io; Schmauss, Erik
> <erik.schma...@intel.com>; ler...@redhat.com; Gao, Liming
> <liming....@intel.com>
> Cc: Moore, Robert <robert.mo...@intel.com>
> Subject: Re: [edk2-devel] ASL build tools - EDKII trim tool questions
>
> > -----Original Message-----
> > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On
> Behalf Of
> > Schmauss, Erik
> > Sent: Thursday, April 11, 2019 7:10 PM
> > Subject: Re: [edk2-devel] ASL build tools - EDKII trim tool questions
>
>
> > Yes, the current iASL preprocessor implementation is incomplete but
> we
> > might be able to either develop our own or import an existing
> > preprocessor if it has the correct license.
>
> Eric,
>
> It depends on the end goal.
> If the goal is to display correct line numbers in the error messages, just
> adding support for #line directive is enough.
> If the goal is to compile ASL file with a single iasl run without usage of
> other tools such as Trim, I don't think even having a full-fledged
> preprocessed would suffice.
> In edk2, header files included into ASL files may contain C constructs,
> such as typedef's, alien to ASL compiler.
Ok yeah, this sounds a little complicated. I'll discuss this with Bob (Robert
Moore) and a few others.
My current thought is that we can start with the simple step of adding line
number support and go from there.
Thanks for the discussion everyone!
Erik
> The Trim tool cleans them up prior to running IASL.
> So even if iasl will be able to perform full preprocessing , Trim would
> still be required unless edk2 conventions are changed to require ASL-
> friendly include headers.
>
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