If you are curious about uglify's parse trees, I've got a wrapper around uglify that spits out the tree for any given JavaScript in the loop project (https://github.com/smtlaissezfaire/loop/blob/master/script/uglify-syntax-tree-json)
Best Scott On Aug 30, 2012, at 12:23 PM, Dan Milon <[email protected]> wrote: > Out of topic, but you gave me the clues. > Do you know where i can read up about AST trees for javascript? > > Thanks a ton, > danmilon. > > On 08/30/2012 12:27 AM, Marcel Laverdet wrote: >> Just curious why you need the comments in the AST at all? If you've got the >> start position & length of every token in the AST (much easier to do) you >> implicitly have the comments as well. The "fiber" engine in Streamline >> (https://github.com/Sage/streamlinejs/blob/master/lib/fibers/transform.js) >> does this with really good results. >> >> On Wed, Aug 29, 2012 at 8:37 AM, Mihai Călin Bazon <[email protected] >> <mailto:[email protected]>> wrote: >> >> Well, the code generator doesn't yet have an option to keep comments, >> but I can add it easily; the harder part was having them in the AST, >> and that's done. >> >> What exactly are you trying to achieve? My understanding is that you >> compile Lisp to JS (cool!), do you want to be able to do the reverse >> transform? If so, perhaps a better idea is to generate a source map. >> (not sure what you need to do though, just guessing) >> >> Cheers, >> -Mihai >> >> On Wed, Aug 29, 2012 at 1:52 PM, Scott Taylor >> <[email protected] <mailto:[email protected]>> wrote: >> > Wonderful! I've been working on a project that is sort of like >> parenscript >> > - but much more of a straight javascript in lisp/scheme clothes >> with a >> > define-syntax macro system. >> > >> > https://github.com/smtlaissezfaire/loop >> > >> > I've been hacking on the 1x source of uglify to translate >> javascript into a >> > lispy type system (and back) - but inline comments have been a >> cause of >> > concern. Where is the 2.x source at this point? >> > >> > Cheers, >> > >> > Scott >> > >> > On Aug 28, 2012, at 12:56 PM, Mihai Călin Bazon wrote: >> > >> > On Tue, Aug 28, 2012 at 5:33 AM, Scott Taylor >> <[email protected] <mailto:[email protected]>> wrote: >> > >> > Very cool. What comments in the AST are you going to preserve? >> > >> > >> > The new AST is able to store all comments, and the compressor >> and code >> > generator will be able to keep most of them. However, I suspect >> that >> > in general people will only need to store copyright notices, and >> those >> > usually start with some special marker like "/*!". It'll be easy to >> > add a configuration option to keep such comments, as long as they're >> > not in code that's going to be dropped (for example dead code, like, >> > code that follows a return, throw, break or continue statement). >> > >> > Cheers, >> > -- >> > Mihai Bazon, >> > http://mihai.bazon.net/blog >> > >> > -- >> > Job Board: http://jobs.nodejs.org/ >> > Posting guidelines: >> > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> > You received this message because you are subscribed to the Google >> > Groups "nodejs" group. >> > To post to this group, send email to [email protected] >> <mailto:[email protected]> >> > To unsubscribe from this group, send email to >> > [email protected] >> <mailto:nodejs%[email protected]> >> > For more options, visit this group at >> > http://groups.google.com/group/nodejs?hl=en?hl=en >> > >> > >> > -- >> > Job Board: http://jobs.nodejs.org/ >> > Posting guidelines: >> > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> > You received this message because you are subscribed to the Google >> > Groups "nodejs" group. >> > To post to this group, send email to [email protected] >> <mailto:[email protected]> >> > To unsubscribe from this group, send email to >> > [email protected] >> <mailto:nodejs%[email protected]> >> > For more options, visit this group at >> > http://groups.google.com/group/nodejs?hl=en?hl=en >> >> >> >> -- >> Mihai Bazon, >> http://mihai.bazon.net/blog >> >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> <mailto:[email protected]> >> To unsubscribe from this group, send email to >> [email protected] >> <mailto:nodejs%[email protected]> >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> >> >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. 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