[Haskell-cafe] ECMA262 (Javascript) interpreter

[Fabian Bergmark]

The package is available on hackage. I think its a good idea to split the
cli into a separate package, ecma262-cli. I will update the documentation
in the next version.

If anyone would like to help me implement all the spec functions we could
release a version 1 soon.

lördag 3 januari 2015 skrev Tobias Dammers <tdammers at gmail.com>:

> Hi again;
>
> I took a short look, and I think this looks like a promising candidate.
> The things I'd miss the most at this point would be: one, splitting the
> project up into a library and a CLI interpreter, so that it can be
> embedded into a Haskell host application without further ado; two,
> putting it on hackage (minor concern right now, but if at any time I
> choose to publish my project, I don't want to depend on anything that's
> not readily available through cabal); and three, a tiny bit more
> documentation, or even just a few usage examples.
>
> I'd be willing to help out with either if you're interested.
>
> Cheers,
>
> Tobias
>
> On Sun, Dec 07, 2014 at 03:48:47PM +1000, Fabian Bergmark wrote:
> > I have been implementing an ECMA-262 (Javascript) interpreter over the
> > last few weeks. I have been following
> > http://www.ecma-international.org/ecma-262/5.1 and tried to keep my
> > implementation as close to the specification as possible.
> >
> > The code can be found here https://github.com/fabianbergmark/ECMA-262
> >
> > So far I have implemented the core language, but has yet to write all
> > the specification functions (Array.splice, String.substring etc.).
> > Before I do this and release it on hackage, I would appreciate
> > feedback on my implementation.
> >
> > The issues I see at the time are:
> >
> > * The parser is slow for deeply nested code
> > * Strict mode is not implemented
> > * Interpret.hs is ~ 6k lines
> > * SubType.hs uses IncoherentInstances, and a better implementation
> > would be nice. At the moment it works but for one case.
> >
> > To test the code, install the cabal package and run ecma262 on a .js
> > file. One host object, console.log is provided and prints to stdout.
> >
> > Fabian Bergmark
> > _______________________________________________
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