Comments on: Parsing Javascript Parser http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/ The act of making love, tenderly. Thu, 04 Mar 2010 14:03:02 +0000 http://wordpress.org/?v=2.9 hourly 1 By: kampers.net » Blog Archive http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/comment-page-1/#comment-54506 kampers.net » Blog Archive Wed, 03 Dec 2008 10:37:27 +0000 http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/#comment-54506 <p>[...] Kelly is a fictional project that I made up so that I could name my project RKelly.” —Aaron Patterson on his new Javascript [...]</p> [...] Kelly is a fictional project that I made up so that I could name my project RKelly.” —Aaron Patterson on his new Javascript [...]

]]> By: Ruby Tutorial: Scraping Muxtape for mp3 + iTunes playlist creation « Leveraging Visionary Paradigms http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/comment-page-1/#comment-27680 Ruby Tutorial: Scraping Muxtape for mp3 + iTunes playlist creation « Leveraging Visionary Paradigms Sun, 20 Apr 2008 23:50:21 +0000 http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/#comment-27680 <p>[...] since the JavaScript to parse is not all that hard. To do the parsing, I briefly considered RKelly, which looks very interesting, but there is no gem yet, so I passed. I just use Hpricot to parse [...]</p> [...] since the JavaScript to parse is not all that hard. To do the parsing, I briefly considered RKelly, which looks very interesting, but there is no gem yet, so I passed. I just use Hpricot to parse [...]

]]> By: Aaron Patterson http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/comment-page-1/#comment-21064 Aaron Patterson Thu, 03 Jan 2008 23:30:05 +0000 http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/#comment-21064 <p>Thanks! Absolutely. All nodes in the parse tree implement the to_dots method. So if you find your node, you can call .to_dots on it and get the parse tree below it.</p> <p>Here is the code: <code lang="ruby"> parser = RKelly::Parser.new tree = parser.parse(File.read(ARGV[0])) puts tree.value.find { |x| x.value == '$' }.to_dots </code></p> <p><a href="http://tenderlovemaking.com/wp-content/uploads/2008/01/out.dot" rel="nofollow">Here</a> is the dot file. Here is the image: <a href="http://www.flickr.com/photos/aaronp/2163652809/" title="prototype dollar function by fakebeard, on Flickr" rel="nofollow"><img src="http://farm3.static.flickr.com/2004/2163652809_8a926e379f_m.jpg" width="240" height="122" alt="prototype dollar function" /></a></p> Thanks! Absolutely. All nodes in the parse tree implement the to_dots method. So if you find your node, you can call .to_dots on it and get the parse tree below it.

Here is the code:

parser = RKelly::Parser.new
tree = parser.parse(File.read(ARGV[0]))
puts tree.value.find { |x| x.value == '$' }.to_dots

Here is the dot file. Here is the image:
prototype dollar function

]]> By: Andrew Dupont http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/comment-page-1/#comment-21063 Andrew Dupont Thu, 03 Jan 2008 22:40:31 +0000 http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/#comment-21063 <p>Great work, Aaron. Think you could generate a chart of some small portion of Prototype, like the $ function?</p> <p>We've been looking at rbNarcissus as a possible foundation for some internal tools that would make the Prototype Core team's lives easier, but it looks like RKelly might be the better way to go.</p> Great work, Aaron. Think you could generate a chart of some small portion of Prototype, like the $ function?

We’ve been looking at rbNarcissus as a possible foundation for some internal tools that would make the Prototype Core team’s lives easier, but it looks like RKelly might be the better way to go.

]]> By: Aaron Patterson http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/comment-page-1/#comment-20706 Aaron Patterson Wed, 26 Dec 2007 21:26:16 +0000 http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/#comment-20706 <p>Not yet. The parse tree is not quite the same. I may get it to output the same thing as ParseTree, but for now I'm focusing on writing an interpreter.</p> Not yet. The parse tree is not quite the same. I may get it to output the same thing as ParseTree, but for now I’m focusing on writing an interpreter.

]]> By: Chris Anderson http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/comment-page-1/#comment-20705 Chris Anderson Wed, 26 Dec 2007 21:14:37 +0000 http://tenderlovemaking.com/2007/12/24/parsing-javascript-parser/#comment-20705 <p>Does RKelly output the same as ParseTree? Maybe you could teach it to, and then execute the Javascript as Ruby. How wicked is that?</p> Does RKelly output the same as ParseTree? Maybe you could teach it to, and then execute the Javascript as Ruby. How wicked is that?

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