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ANN: Spoon
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Fedor Indutny  
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 More options Oct 1 2012, 3:11 pm
From: Fedor Indutny <fe...@indutny.com>
Date: Mon, 1 Oct 2012 23:11:28 +0400
Local: Mon, Oct 1 2012 3:11 pm
Subject: ANN: Spoon
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Hey people,

Let me introduce you The Spoon: https://github.com/indutny/spoon

It's a JavaScript to CFG (Control-Flow Graph) transpiler and additionally a
CPS (Continuation Passing Style) transpiler too.

Basically, it lets you to rewrite code like this:

var data = 'prefix: ' + fs.read('file')

To this:

var data;
fs.read('file', function(err, result) {
  data = 'prefix: ' + result;

});

Please check the readme, if you're interested.

Cheers,
Fedor.


 
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Marcel Laverdet  
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 More options Oct 1 2012, 5:43 pm
From: Marcel Laverdet <mar...@laverdet.com>
Date: Mon, 1 Oct 2012 16:42:56 -0500
Local: Mon, Oct 1 2012 5:42 pm
Subject: Re: [nodejs] ANN: Spoon
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You have no idea what you've done.


 
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Mark Hahn  
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 More options Oct 1 2012, 5:56 pm
From: Mark Hahn <m...@hahnca.com>
Date: Mon, 1 Oct 2012 14:55:20 -0700
Local: Mon, Oct 1 2012 5:55 pm
Subject: Re: [nodejs] ANN: Spoon
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@Marcel just meant that you have started an infinite discussion thread.  He
wasn't insulting your module.


 
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Fedor Indutny  
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 More options Oct 2 2012, 2:28 am
From: Fedor Indutny <fe...@indutny.com>
Date: Tue, 2 Oct 2012 10:28:21 +0400
Local: Tues, Oct 2 2012 2:28 am
Subject: Re: [nodejs] ANN: Spoon
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"I'm just doing my job".


 
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Ted Young  
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 More options Oct 2 2012, 2:43 pm
From: Ted Young <t...@radicaldesigns.org>
Date: Tue, 2 Oct 2012 11:43:00 -0700
Subject: Re: [nodejs] ANN: Spoon
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Just wondering, what were your use cases when writing spoon? Was it to solve production problems you were facing? Are you using it at nodejitsu?

Cheers,
Ted

On Oct 1, 2012, at 11:28 PM, Fedor Indutny <fe...@indutny.com> wrote:


 
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Fedor Indutny  
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 More options Oct 2 2012, 2:50 pm
From: Fedor Indutny <fe...@indutny.com>
Date: Tue, 2 Oct 2012 22:49:28 +0400
Local: Tues, Oct 2 2012 2:49 pm
Subject: Re: [nodejs] ANN: Spoon
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No, we ain't using this at nodejitsu.

I'm coauthor of xjst module, which is compiling templates to a
highly-recursive javascript code. However some javascript VMs like
Spidermonkey doesn't support that recursion well, and here comes spoon! It
can translate any recursive calls into fake asynchronous ones. And then
using tricky dispatch function I can run those calls one-by-one without any
recursion at all:
https://github.com/veged/xjst/blob/master/lib/xjst/utils.js#L68


 
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Fedor Indutny  
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 More options Oct 2 2012, 2:56 pm
From: Fedor Indutny <fe...@indutny.com>
Date: Tue, 2 Oct 2012 22:56:05 +0400
Local: Tues, Oct 2 2012 2:56 pm
Subject: Re: [nodejs] ANN: Spoon
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I'll write a blog post about it on http://blog.indutny.com/ soon,
describing everything in details.


 
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Rick Waldron  
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 More options Oct 2 2012, 3:05 pm
From: Rick Waldron <waldron.r...@gmail.com>
Date: Tue, 2 Oct 2012 15:03:55 -0400
Local: Tues, Oct 2 2012 3:03 pm
Subject: Re: [nodejs] ANN: Spoon
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Fedor,

Is xjst meant to run in a browser at all? I ask because I see code where
objects with a property named "default" are accessing like...

obj["default"]

which isn't necessary in runtimes that correctly implement ES5.1. "default"
is a reserved word, but property names are IdentifierNames, not
Identifiers, so "default" is valid when used like...

obj.default;

eg.

$ node

> var o = {default: "hi!"}
undefined
> o.default
'hi!'

Anyway, no big deal, I just happened to notice it and figured I'd mention.

Rick


 
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Fedor Indutny  
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 More options Oct 2 2012, 3:07 pm
From: Fedor Indutny <fe...@indutny.com>
Date: Tue, 2 Oct 2012 23:07:03 +0400
Local: Tues, Oct 2 2012 3:07 pm
Subject: Re: [nodejs] ANN: Spoon
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Well, it supposed to work in all browsers, and it supposed to be
optimizable by all optimizers including uglifyjs, closure compiler and yui
compressor (that's why I'm using "escaped" property names sometimes).

On Tue, Oct 2, 2012 at 11:03 PM, Rick Waldron <waldron.r...@gmail.com>wrote:


 
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Rick Waldron  
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 More options Oct 2 2012, 3:11 pm
From: Rick Waldron <waldron.r...@gmail.com>
Date: Tue, 2 Oct 2012 15:10:23 -0400
Local: Tues, Oct 2 2012 3:10 pm
Subject: Re: [nodejs] ANN: Spoon
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On Tue, Oct 2, 2012 at 3:07 PM, Fedor Indutny <fe...@indutny.com> wrote:
> Well, it supposed to work in all browsers, and it supposed to be
> optimizable by all optimizers including uglifyjs, closure compiler and yui
> compressor (that's why I'm using "escaped" property names sometimes).

Ah, got it, this makes sense :)

Rick


 
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Bruno Jouhier  
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 More options Oct 3 2012, 4:14 pm
From: Bruno Jouhier <bjouh...@gmail.com>
Date: Wed, 3 Oct 2012 13:14:03 -0700 (PDT)
Local: Wed, Oct 3 2012 4:14 pm
Subject: Re: ANN: Spoon
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Hi Fedor,

This looks really promising.

I tried to integrate it as an alternate transformation engine for
streamline (a fourth one) and the first results are encouraging: I got the
first diskUsage example running.

I had to make a few changes to align spoon on the node.js callback format
(error as first callback parameter + testing for err in callback and
propagating it through __$callback).

My unit test suite is not running yet because of some unimplemented
features: switch, try/finally, labelled statement. But I like the approach.
The CGG intermediate representation is cool and can probably produce more
efficent code than my pattern based approach.

My changes are here:
https://github.com/bjouhier/spoon/commit/83910ee1a4b4036fa1ca38b4f197...

Bruno


 
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Bruno Jouhier  
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 More options Oct 3 2012, 4:16 pm
From: Bruno Jouhier <bjouh...@gmail.com>
Date: Wed, 3 Oct 2012 13:16:34 -0700 (PDT)
Local: Wed, Oct 3 2012 4:16 pm
Subject: Re: ANN: Spoon
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s/CGG/CFG/


 
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Fedor Indutny  
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 More options Oct 3 2012, 4:44 pm
From: Fedor Indutny <fe...@indutny.com>
Date: Thu, 4 Oct 2012 00:43:47 +0400
Local: Wed, Oct 3 2012 4:43 pm
Subject: Re: ANN: Spoon
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Very nice, Bruno!

Looking forward for getting this back into main repo!


 
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