JavaScript:Hackers
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| This article is in parts, or in its entirety, outdated. Hence, the information presented on this page may be incorrect, and should be treated with due caution. Visit SpiderMonkey.dev for more up to date information. |
This is a non-exhaustive list of people who regularly hack on SpiderMonkey: Rooting, Baseline, Frontend, and all projects (named and unnamed) and technical areas beneath it.
If you regularly work on the JavaScript engine, feel free to add yourself to the lists below, and to make corrections and updates to it as needed.
Finding a Peer
| Project | Short Description | IRC Peers |
|---|---|---|
| IonMonkey | Optimizing Just-In-Time Compiler | sstangl, mjrosenb, h4writer, nbp, djvj, jandem |
| Baseline Compiler | Fast Just-In-Time Compiler | jandem, djvj |
| OdinMonkey | asm.js parser & MIR generation | luke, sstangl |
| Frontend | Parser & Bytecode generation | jorendorff, ejpbruel, luke, arai |
| Interpreter | Interpreter! | jorendorff, luke |
| GC | Rooting & Marking & Sweeping | terrence, jonco, sfink, ehoogeveen, pbone |
| Parallel JS | Prototype implementation of parallel array methods | shu, nmatsakis, pnkfelix |
| Self-hosting | Builtins implemented in JavaScript | till, Waldo, shu, nmatsakis, arai |
| Intl | Internationalization support, Ecma 402 | norbert, Waldo |
| EcmaScript | Script reading | Waldo, jorendorff, till |
| Debugging | Debugger API, etc | jimb, jorendorff, ejpbruel |
| Test suites | Setup, inner workings | terrence |
| JSObject and children | Internal object representation | jorendorff, Waldo, luke |
| Strings | Internal string representation | evilpie, luke |
| Proxies, Wrappers | ES (in)direct proxies, COWs | jorendorff, ejpbruel, evilpie, till |
| Yarr | Our import of JSC's RegExp JIT | sstangl |
| irregexp | Our import of V8's RegExp JIT | arai |
| ctypes | Well, ctypes | yoric |
Regular JavaScript engine hackers
These people regularly hack on the JavaScript engine. If you're looking for someone who knows a particular concept well, to ask questions about it, clarify concepts, &c., this is a good place to look. (And if you hack regularly on the JavaScript engine, feel free to add yourself and mention whatever areas you're comfortable in.)
(NB: Email addresses aren't listed for spam-prevention purposes. To find out an email address, type the listed Bugzilla identifier in the CC box on bmo and look at the autocompletion.)
(Please keep this list in alphabetical order by last name.)
| Name | Bugzilla ID | Areas of expertise |
|---|---|---|
| Jim Blandy | :jimb | Debugger support, front end, strict mode, build system |
| Paul Bone | :pbone | GC |
| Jacob Bramley | :jbramley | ARM |
| Igor Bukanov | igor@mir2 | GC |
| Terrence Cole | :terrence | GC |
| Jan de Mooij | jandem | |
| Brendan Eich | :brendan | JSAPI, shapes |
| Steve Fink | :sfink | GC, static hazard analysis, shell, structured clone, typed arrays, continuous integration |
| Tooru Fujisawa | :arai | frontend, self-hosting, async/await, regexp |
| Andreas Gal | :gal | Proxies, wrappers, GC |
| Dave Herman | dherman@moz | Reflection API |
| Blake Kaplan | :mrbkap | Proxies and wrappers, the interpreter, using the JSAPI |
| Bill McCloskey | billm@moz | GC |
| Nicholas Nethercote | :njn | Memory allocation and measurement, scanner, front-end |
| Jason Orendorff | jorendorff@moz | being on IRC (just ask) |
| Till Schneidereit | :till | Self-hosting, ECMAScript spec, some familiarity with parsing, proxies, various things in the engine. |
| Tom Schuster | evilpie | IonMonkey, Baseline, some Rooting, Unicode support, ECMAScript spec, strings, proxies and in particular CPOWs |
| Sean Stangl | sstangl@moz | JS JITs: JaegerMonkey, IonMonkey. |
| Kannan Vijayan | :djvj | BaselineCompiler, ICs, IonMonkey |
| Gregor Wagner | anygregor@gm | GC |
| Luke Wagner | :luke | Stack, values, containers, generators, C++ language lawyer |
| Jeff Walden | jwalden+bmo | JSON, ES5 spec, strict mode, arguments objects, typed arrays, some familiarity with JavaScript stack/frame layout/etc. (but prefer Luke) |
Hackers emeriti
These people once regularly hacked on the JavaScript engine but don't do so regularly any more. Reviewers listed here may or may not be willing to review patches. If they aren't, they'll say so when review is requested of them and perhaps forward it to a better person.
(Please keep this list in alphabetical order by last name.)
| Name | Bugzilla ID | Areas of expertise |
|---|---|---|
| Paul Biggar | paul.biggar | JSON (prefer Waldo), build system, testing, memory allocation |
| Brian Crowder | crowderbt@ | |
| Graydon Hoare | graydon@moz | |
| Christopher D. Leary | :cdleary | Inline caches, regular expressions, yarr, parser, scanner, ARM, GDB |
| David Anderson | :dvander | IonMonkey |
| David Mandelin | dmandelin@moz | Method JIT, name lookup |
| Mike Shaver | :shaver |