CFV: New Project: Nashorn

Jim Holmlund james.holmlund at oracle.com
Tue Nov 27 02:32:53 UTC 2012


Vote: yes


On 11/21/2012 3:58 PM, John Coomes wrote:
> I hereby propose the creation of the Nashorn Project with Jim Laskey
> as the Lead and HotSpot group as the sponsoring Group.
>
> In accordance with the OpenJDK guidelines [1], we would like to start
> a new project to implement a lightweight high-performance JavaScript
> runtime in Java with a native JVM.  This project intends to enable
> Java developers to embed JavaScript in Java applications via JSR-223
> [2] and to develop free standing JavaScript applications using the
> jrunscript command line tool [2].
>
> This project is designed to take full advantage of newer technologies
> in a native JVM, made since the original development of JVM based
> JavaScript started in 1997 by Netscape [3] and maintained by
> Mozilla [4]. This project will be an entirely new code base, focused
> on these newer technologies. In particular the project will utilize
> the MethodHandles and InvokeDynamic APIs described in JSR-292 [5].
> The goal is to provide a lightweight high performance JavaScript
> on a native JVM.
>
> The scope of this project will include, but is not limited to, a
> parser API for scanning JavaScript source code, a compiler to convert
> ASTs from the parser to JVM byte code, and a runtime to support the
> execution of said generated byte code.  Execution of JavaScript in
> this environment will be in conformance with ECMA-262 Edition 5.1 [6]
> and will adapt to newer guidelines as standards evolve.
>
> The initial source of this project will come from an Oracle internal
> project, which will wholly migrate to the OpenJDK repositories.  This
> source base fully passes (100%) ECMAScript test262.  The current
> status of this project is that further work needs to be done on
> performance and hardening before it can be considered ready for
> general use.
>
> To ensure the broadest possible collaboration between potential
> contributors the project will maintain one or more new OpenJDK code
> repositories and a developers' mailing list.
>
> The HotSpot group[7] will sponsor this project. Jim Laskey will be
> the initial Lead; the initial Committers and Authors are still being
> determined. (Reviewers are not needed as the project will not require
> formal change review.)
>
> Jim Laskey is the Multi-language lead at Oracle.  He has been developing
> compilers and runtimes since the mid 1970s; contributor to APLUM (CDC) and
> Pascal 2 (CDC), chief architect of the Prograph [8] programming language,
> developer on Symantec's [9] Java symcjit.dll, ported Hotspot to
> PowerPC at Apple, developer on LLVM [10] at Apple [11], Hotspot engineer at
> Azul [12] and developer on the JavaFX script [13] compiler at Oracle [14].
>
> Votes are due by midnight December 6, 2012 UTC [15].
>
> Only current OpenJDK Members [16] are eligible to vote on this motion.
> Votes must be cast in the open by replying to this mailing list.
>
> For Lazy Consensus voting instructions, see [17].
>
> Regards,
>
> Jim Laskey
> John Coomes, OpenJDK HotSpot Group Lead
>
> [1]http://openjdk.java.net/projects/#new-project
> [2] http://www.jcp.org/en/jsr/detail?id=223
> [3] http://en.wikipedia.org/wiki/Rhino_(JavaScript_engine)
> [4] https://developer.mozilla.org/en-US/docs/Rhino
> [5] http://www.jcp.org/en/jsr/detail?id=292
> [6] http://www.ecma-international.org/publications/standards/Ecma-262.htm
> [7]http://openjdk.java.net/census#hotspot
> [8] http://en.wikipedia.org/wiki/Prograph
> [9] http://www.symantec.com/index.jsp
> [10] http://llvm.org
> [11] http://www.apple.com
> [12] http://www.azulsystems.com
> [13] http://docs.oracle.com/javafx/1.3/tutorials/core/
> [14] http://www.oracle.com/index.html
> [15] http://www.timeanddate.com/worldclock/fixedtime.html?msg=CFV%3A+New+Project%3A+Nashorn&iso=20121206T00
> [16] http://openjdk.java.net/census#members
> [17] http://openjdk.java.net/projects/#new-project-vote



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