Migrating dmd to D?

[dennis luehring]

Am 11.03.2013 16:23, schrieb Daniel Murphy:
> "dennis luehring" <dl.soluz at gmx.net> wrote in message
> news:khkqug$v57$1 at digitalmars.com...
>> Am 11.03.2013 15:20, schrieb Daniel Murphy:
>>> "Daniel Murphy" <yebblies at nospamgmail.com> wrote in message
>>> news:khfoa6$fm7$1 at digitalmars.com...
>>>> "Daniel Murphy" <yebblies at nospamgmail.com> wrote in message
>>>> news:kgumek$2tp4$1 at digitalmars.com...
>>>>> "Zach the Mystic" <reachBUTMINUSTHISzach at gOOGLYmail.com> wrote in
>>>>> message
>>>>> news:pabfuaorrjbljxzrglbv at forum.dlang.org...
>>>>>>>
>>>>>>> Something like this https://github.com/yebblies/magicport2 ?
>>>>>>
>>>>>> Yes! I need to look it over more thoroughly, but I couldn't ask for a
>>>>>> better beginning. Can I trust that you'll be a willing part of future
>>>>>> discussions on this matter, even if only to play Devil's Advocate?
>>>>>
>>>>> More like a full-blown attempt than a beginning.  I started this a long
>>>>> time ago.
>>>>>
>>>>> There are three parts to it:
>>>>> - c++ parser/d printer, with lots of cheating and special cases
>>>>> - patches to the c++ source
>>>>> - patched version of dmd to build the result (no error on variable
>>>>> shadowing etc)
>>>>>
>>>>> It produces a 70000 line d file which appears to get through 3/7ths of
>>>>> semantic1.  Root needs to be ported, and a cleaner interface to the
>>>>> backend is needed to compile the glue layer.
>>>>>
>>>>
>>>> Update: With the bulk of root converting or ported, and the glue layer
>>>> stubbed out, I can build dmd from the converted source then lex and
>>>> parse
>>>> the source (+druntime headers) again.
>>>>
>>>> The highlight was the dynamically resized struct in root/stringtable.
>>>> Something went horribly wrong there.
>>>
>>> Update: I can now generate the source, then build a frontend from that,
>>> then
>>> process the frontend's source again with the built compiler.  It also
>>> works
>>> on the conversion tool, and pulls in a sizeable chunk of druntime and
>>> phobos.
>>
>> do i get it right - you've converted the dmd C++ code with it?
>>
>
> Umm...
>
> C++ compiler source -> my tool -> D source
> D source -> normal dmd -> self-host dmd
> D source -> self-host dmd -> no problems, but only the frontend so no code
> generation
> tool source -> self-host dmd -> same thing

but interesting enough to get its own root newsgroup post i think - or
it the "quality"(converted source etc. whatever) too bad