Complete ECMAScript 5th edition implementation

Mark S. Miller erights at
Wed Apr 7 08:27:43 PDT 2010

On Wed, Apr 7, 2010 at 7:12 AM, Benjamin Jan Alexander Rosseaux
<benjamin at> wrote:
> Hello,
> I've implemented a complete ECMAScript 5th edition implementation with a
> Context-Threaded JIT,
> Subroutine-Call-Threaded-Fallback-Bytecode-Interpreter, Property Inline
> Caching, Constant Folding, Dead code elimination, Type inference,
> Incremental praise/exact mark-and-sweep garbage collector and so on.
> It's implemented in ObjectPascal (compilable with FreePascal >=2.5.1, Delphi
>>=7), and is licensed under a OwnLicense+AGPLv3 Opensource dual-license. It
> should be linkable/usable with C/C++ code over wrappers or interfaces.
> But my first question is now, where I can announce my ES5 engine with a
> best-case chance to be well known. Or may i post the link here in this
> mailing list (so far if the rules in this mailinglis is allowing this)?

Since it is open source, I have no objection to your posting the link.
Please do.

> And my other question is, does exist an another ES5-feature-complete
> implementation already (for comparing/checking against for bugs etc.)?

Not yet. At least none that's publicly available.

Mozilla seems to be making the most rapid progress.
<> is the tracking
bug to watch.

> Thanks and regards,
> Benjamin 'BeRo' Rosseaux
> _______________________________________________
> es-discuss mailing list
> es-discuss at


More information about the es-discuss mailing list