[dmd-internals] Create a dmd-cxx branch on dlang/dmd

[Walter Bright via dmd-internals]

If that would make life easier for Iain, I'm on board. -Walter

On 5/30/2017 9:31 AM, Andrei Alexandrescu via dmd-internals wrote:
> Sounds good to me. Walter? -- Andrei
> 
> On 05/28/2017 07:21 AM, Iain Buclaw via dmd-internals wrote:
>> Hi,
>>
>> What I see as a technical/design blocker for GDC being able to move
>> forward to being self hosted is that I do not want to maintain two
>> versions of the compiler "glue".  The change between one and the other
>> should be seamless.
>>
>> To tackle this, I've been backporting regression fixes from D to C++,
>> and aligning the interfaces up so that C++ headers are (almost)
>> identical between GDC and DMD/stable.  I would however like to do this
>> on a more public platform that internally within GDC.
>>
>> The idea is similar to the dmd-1.x branch.  I am happy to maintain
>> this as a continuation of the C++ implementation, and strive to be as
>> close to the current spec as possible, whilst also putting in big
>> warnings that this branch is deprecated.
>>
>> Would doing such a thing be OK?
>>
>> The current C++ implementation is here:
>>
>> https://github.com/D-Programming-GDC/GDC/tree/master/gcc/d/dfrontend
>>
>> Differences between this and upstream DMD are documented here:
>>
>> https://github.com/dlang/dmd/pull/2194
>>
>> Regards,
>> Iain.
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