DIP11: Automatic downloading of libraries

[Jacob Carlborg]

On 2011-06-20 15:28, Andrei Alexandrescu wrote:
> On 6/20/11 6:35 AM, Jacob Carlborg wrote:
>> On 2011-06-20 10:59, Dmitry Olshansky wrote:
>>> On 20.06.2011 12:25, Jacob Carlborg wrote:
>>>> On 2011-06-19 22:28, Dmitry Olshansky wrote:
>>>>
>>>>> Why having name as run-time parameter? I'd expect more like (given
>>>>> there
>>>>> is Target struct or class):
>>>>> //somewhere at top
>>>>> Target cool_lib, ...;
>>>>>
>>>>> then:
>>>>> with(cool_lib) {
>>>>> flags = "-L-lz";
>>>>> }
>>>>>
>>>>> I'd even expect special types like Executable, Library and so on.
>>>>
>>>> The user shouldn't have to create the necessary object. If it does,
>>>> how would the tool get it then?
>>>>
>>> If we settle on effectively evaluating orbspec like this:
>>> //first module
>>> module orb_orange;
>>> mixin(import ("orange.orbspec"));
>>> //
>>>
>>> // builder entry point
>>> void main()
>>> {
>>> foreach(member; __traits(allMembers, orb_orange))
>>> {
>>> static if(typeof(member) == Target){
>>> //do necessary actions, sort out priority and construct a worklist
>>> }
>>> else //static if (...) //...could be others I mentioned
>>> {
>>> }
>>> }
>>> //all the work goes there
>>> }
>>>
>>> Should be straightforward? Alternatively with local imports we can pack
>>> it in a struct instead of separate module, though errors in script would
>>> be harder to report (but at least static constructors would be
>>> controlled!). More adequatly would be, of course, to pump it to dmd from
>>> stdin...
>>
>> I had no idea that you could do that. It seems somewhat complicated and
>> like a hack. Also note that Orbit is currently written in D1, which
>> doesn't have __traits.
>
> std.benchmark (https://github.com/D-Programming-Language/phobos/pull/85)
> does that, too. Overall I believe porting Orbit to D2 and making it use
> D2 instead of Ruby in configuration would increase its chances to become
> popular and accepted in tools/.
>
> Andrei

See my reply to Dmitry. BTW has std.benchmark gone through the regular 
review process?

-- 
/Jacob Carlborg