Re: GSOC 2016: FastParse library

Vladimir Polushin <[email protected]> Wed, 16 Mar 2016 09:07:54 -0700 (PDT)
Newsgroups gmane.comp.lang.scala
Message-ID <[email protected]>
Great :) Then I will start to write a proposal. And I would like to clarify 
about this: If I understand correctly, there are 3 main cases in idea, and 
in proposal I should describe how I will implement they with some rough 
plan?

среда, 16 марта 2016 г., 16:02:06 UTC+3 пользователь Haoyi Li написал:
>
> That's a good start. A lot more work would go into that if we want to get 
> that into the main repo (and I do). If you've already put together a 
> proposal we can discuss how to take it further, if not you probably should 
> put together a proposal before the March 25th deadline and we can keep 
> working on it after.
>
>
> On Wed, Mar 16, 2016 at 7:25 PM, Vladimir Polushin <[email protected] 
> <javascript:>> wrote:
>
>> I wrote basic version of CSS parser https://github.com/vovapolu/CssParser 
>> . According to https://www.w3.org/TR/css-syntax-3/ it only breaks css 
>> into simple elements like words and delimiters and it also can handle 
>> blocks in brackets. Now I am planning to add more tests and to try to 
>> implement some complex structures (selectors, other rules) in parser, but I 
>> think it will be pretty hard given all these rules and requirements.
>>
>> вторник, 15 марта 2016 г., 6:05:14 UTC+3 пользователь Haoyi Li написал:
>>>
>>> A CSS parser would serve the purpose as well and could plausibly be 
>>> useful. I think a Smalltalk parser would be a bit obscure I don't think it 
>>> would serve well: people won't be familiar enough to use it as an example, 
>>> nor would they find it useful in real life for parsing their smalltalk code 
>>> (since they won't have any)
>>>
>>> I'm not totally convinced that a CSS parser would be simpler than a 
>>> Markdown parser though. The CSS3 Grammar:
>>>
>>>    - https://www.w3.org/TR/css-syntax-3/
>>>    
>>> Certainly looks awfully complicated!
>>>
>>>
>>> On Tue, Mar 15, 2016 at 10:55 AM, Naftoli Gugenheim <[email protected]> 
>>> wrote:
>>>
>>>> Have you seen CommonMark (http://commonmark.org/)?
>>>>
>>>>
>>>>
>>>> On Mon, Mar 14, 2016 at 6:59 PM Vladimir Polushin <[email protected]> 
>>>> wrote:
>>>>
>>>>> Hello! 
>>>>>
>>>>> Several days ago I started to write markdown parser, but now this task 
>>>>> seems to me very hard to implement. I tried to google grammars of markdown 
>>>>> or some specification, but markdown literally doesn't have any standard and 
>>>>> any grammar I found is quite large and complicated for the first experience 
>>>>> with library. So may I write CSS or Smalltalk parser first? They have clear 
>>>>> and concise grammars, which won't cause difficulties in the implemenation. 
>>>>>
>>>>>
>>>>> пятница, 11 марта 2016 г., 7:24:06 UTC+3 пользователь Haoyi Li написал:
>>>>>
>>>>>> Hello! I wrote FastParse.
>>>>>>
>>>>>
>>>>>> A good first contribution to FastParse would probably be some kind of 
>>>>>> example parser. The project already has Scala, Python, JSON and XML 
>>>>>> parsers, but it would be nice to add to the collection. 
>>>>>>
>>>>>> For example, a FastParse based Markdown parser would both very useful 
>>>>>> as well as serve to introduce you to the FastParse library and build you up 
>>>>>> to a reasonably high level of expertise. You would gain a much deeper 
>>>>>> understanding of its behavior and internals, the "why"s of the library, and 
>>>>>> be in a much better position to contribute significantly.
>>>>>>
>>>>> On Fri, Mar 11, 2016 at 3:59 AM, Vladimir Polushin <[email protected]> 
>>>>>> wrote:
>>>>>>
>>>>> Hello!
>>>>>>>
>>>>>>> I am a third-year undergraduate Computer Science student at the 
>>>>>>> Moscow State University. I've been working with scala for a year and now I 
>>>>>>> want to start contributing to the Scala community. I looked thought the 
>>>>>>> list of ideas for GSOC, and I liked The FastParse library. I've already 
>>>>>>> used Scala Parser Combinators and I have a basic knowledge about formal 
>>>>>>> grammars and compilers. So where can I start? Should I fix some bug in that 
>>>>>>> repository first?
>>>>>>>
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>>>
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