Optlink is on github

[Dicebot]

On Saturday, 9 March 2013 at 09:11:54 UTC, Johannes Pfau wrote:
> Am Thu, 07 Mar 2013 19:53:29 +0400
> schrieb Denis Shelomovskij <verylonglogin.reg at gmail.com>:
>
>> 07.03.2013 14:28, Jacob Carlborg пишет:
>> > On 2013-03-07 11:12, Moritz Maxeiner wrote:
>> >
>> >> Sorry if this has been answered before/is common knowledge, 
>> >> but is
>> >> porting functions at a time to C wanted for optlink in 
>> >> general, or
>> >> only for finding segfaults? (e.g. are pull-requests for that
>> >> welcome)
>> >
>> > Yes, in general. I think the idea is to port the whole 
>> > Optlink to C
>> > and then to D. It's easier to port from C to D than from 
>> > assembly
>> > to D. This is because you can use a C version that doesn't 
>> > use the
>> > runtime or standard library to get the generate assembly as 
>> > close
>> > as possible to the original one. I think it was something 
>> > like that.
>> >
>> 
>> Didn't get. You don't have to use D with druntime. Just don't 
>> link it and everything will be OK - you will just get "better 
>> C" (i.e. with D structs and other good stuff).
>> 
>
> That's a little bit oversimplified. Even a simple POD struct 
> references
> the TypeInfo_Struct declaration in druntime. There's still some
> compiler work needed to really make D usable without druntime. 
> (Think
> of issues like these: If you don't have druntime -> you don't 
> have
> typeinfo -> no D style varargs -> no associative arrays; you 
> can't even
> compare normal arrays 
> (https://github.com/D-Programming-Language/druntime/blob/e47a00bff935c3f079bb567a6ec97663ba384487/src/rt/adi.d#L368))

It can be easily checked with "-betterC -defaultlib=" combo. You 
can skip phobos, druntime, use only C stdlib and look what will 
remain working in the language. Not much.