Fixed url of grammar.
On 10/30/07 1:46 PM, Jeff Dyer wrote: > > > > On 10/30/07 1:23 PM, Maciej Stachowiak wrote: > >> >> On Oct 30, 2007, at 1:01 PM, Chris Pine wrote: >> >>> Maciej Stachowiak wrote: >>> >>>> Can anyone address feasibility of a small full implementation >>>> (source code all the way to execution)? >>> >>> If we didn't think it was feasible, we wouldn't be here. :) While >>> we don't have a full implementation yet (no one does), progress is >>> looking good. Our latest engine, just out in Opera 9.5 beta, is >>> both smaller and considerably faster than our previous engine (which >>> we've shipped on many small devices). It runs on devices smaller >>> than an iPhone, no problem. (How much ram does an iPhone have? I >>> don't see that on Apple's site.) >> >> Does your latest shipping engine implement parts of ES4? If so, how >> much? >> >> By the way, I think the discussions about language size could benefit >> from some quantitative data. I think the following comparisons would >> be interesting: >> >> 1) Size of the ES4 grammar relative to the ES3 grammar (say, by count >> of productions). >> >> 2) Size of the ES4 standard library by count of classes, methods and >> properties. >> >> I am willing to run the number on these if someone can help me find >> the grammar and some sort of standard library index in the spec. > > The grammar is posted at: > > http://ecmascript.org/es4/spec/grammar.pdf > > The builtin's are described in the a draft library spec in the monotone > repository (./spec/library.pdf), which you should have access to. > > Another interesting comparison is between ES3 and ES4 asts. There is a lot > of syntactic sugar that get boiled out during parsing of ES4 programs. In > fact, the same parse routines can be reused for different productions of the > surface grammar. Compare the value syntax for objects and type syntax for > record types, for example. > > I'm happy to help put either document in a format that is easier to analyze. > > Jd > >> Regards, >> Maciej >> >> _______________________________________________ >> Es4-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es4-discuss > > _______________________________________________ > Es4-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es4-discuss _______________________________________________ Es4-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es4-discuss
