GSOC 2011

[spir]

On 03/24/2011 10:48 AM, Jacob Carlborg wrote:
> On 2011-03-24 05:30, Andrei Alexandrescu wrote:
>> On 3/23/11 11:42 AM, Luca Boasso wrote:
>>> Sorry for the late reply,
>>> even tough I'm not an ANTLR expert, given my previous experience with
>>> the tool
>>> and having read most of the official book, I could help more on this GSOC
>>> idea.
>>>
>>> I have looked at http://www.antlr.org/grammar/list and on google and I
>>> could not
>>> find any recent ANTLR grammar for D.
>>> In my opinion this project could be a good contribution for the D
>>> community
>>> while being practical and useful in the short term.
>>
>> There are two aspects: writing an ANTLR grammar that parses D (which you
>> are referring to) and also adding to ANTLR the capability of generating
>> D. The latter would allow D users to create and use parsers for various
>> languages. It would also require close cooperation with the ANTLR people
>> for acceptance etc.
>>
>> (Sticking with the former project for now.) This is a technically
>> interesting project. I'd need to hear more about the high-level
>> motivation. What is the "business" motivation? There is already a parser
>> for D written in C++ (the open-source front-end of dmd), so the project
>> would need to build a good case for the added value. Also there are
>> other D parser projects that people work on (ddmd comes to mind), so I'd
>> need to hear a lot more in the way of justifying the utility of such a
>> project.
>>
>>
>> Thanks,
>>
>> Andrei
>
> Isn't it obvious, to be able to create tools that needs to parse/lex D code. If
> parser/lexer is included in Phobos that is basically a port of the C++ one in
> DMD and DMD starts to use the D version it will be a huge win. The parser/lexer
> in Phobos will always automatically be up to date with the one the compiler
> uses because they are actually the same.
>
> As far as I know DDMD cannot be easily used to build other tools that needs to
> parse/lex D code in it's current state. That is a long term goal but not even
> the short term goal, of being up to date with DMD and produce the same code as
> DMD, has been reached yet.

Along with your motivations, Jacob, see also: 
http://prowiki.org/wiki4d/wiki.cgi?GSOC_2011_Ideas#DtoolsinD

Denis
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