Re: [RFC] D support for S/390

[Iain Buclaw <ibuclaw at gdcproject dot org>]

On Wed, 20 Mar 2019 at 12:27, Iain Buclaw <ibuclaw@gdcproject.org> wrote:
>
> On Wed, 20 Mar 2019 at 10:57, Robin Dapp <rdapp@linux.ibm.com> wrote:
> >
> > Hi,
> >
> > the unicode tables in std.internal.unicode_tables are apparently auto
> > generated and loaded at (libphobos) compile time.  They are also in
> > little endian format.  Is the tool to generate them available somewhere?
> >  I wanted to start converting them to little endian before loading but
> > this will prove difficult at compile time again :)
> >
>
> Hi,
>
> I will ask if the author still has the utility available.
>
> My guess would be that the data used for input would have been
> retrieved from here.
>
> http://www.unicode.org/Public/4.1.0/ucd/
>
> Will let you know as soon as I find out more.
>

It comes from this repo: https://github.com/DmitryOlshansky/gsoc-bench-2012

I've tested build them using the following:

    mkdir build; cd build
    sh ../get-uni.sh
    gdc -m64 -frelease ../gen_uni.d randAA.d -o gen_uni_64 &
    gdc -m32 -frelease ../gen_uni.d randAA.d -o gen_uni_64 &
    wait
    mkdir 64
    ./gen_uni_64
    mv unicode_*.d 64
    mkdir 32
    ./gen_uni_32
    mv unicode_*.d 32
    for name in 64/*.d ; do
        name32=`echo $name | sed 's/64/32/'`
        sed -n '/^static if(size_t.sizeof == 4) {$/,$p' $name32 >> $name
    done
    mv 64/*.d .
    rm -rf 64/ 32/

Then a final clean-up using dfmt
(https://github.com/dlang-community/dfmt - build with: make gdc)

    dfmt --inplace --max_line_length=80 unicode_*.d

However... it looks like upstream phobos has done some extra tweaks
and formatting since the original check-in of the sources, so any new
regeneration would have to re-add those ad-hoc changes back in...

Are the values inside the tables the problem? Or just some of the
helper functions/templates that interact with them to generate the
static data?

If the latter, then a rebuild of the files may not be necessary.

Regards
-- 
Iain