>
> In ES5, it should be a syntax error. The positive look-ahead is an
> Assertion, not an Atom, and quantifiers can only be applied to Atoms.
> In ES3, the regexp will not match the string literal. Putting
> quantifiers on look-aheads is always unnecessary in ECMAScript, since
> it's always equiva
On Sat, Oct 22, 2011 at 5:30 PM, Yusuke Suzuki wrote:
> BTW, I thought that the example in
> http://wiki.ecmascript.org/doku.php?id=strawman:match_web_reality_spec
> exec(/(?=a)+/, "");
> should return false. Is it right?
In ES5, it should be a syntax error. The positive look-ahead is an
Assert
> contributions to test262
test262 is great, thanks!
> see http://wiki.ecmascript.org/doku.php?id=harmony:regexp_match_web_reality
Oh, Thanks. This is very good document.
I saw http://wiki.ecmascript.org/doku.php?id=harmony:regexp_match_web_reality
and http://wiki.ecmascript.org/doku.php?id=stra
On Oct 20, 2011, at 10:17 PM, Yusuke Suzuki wrote:
>
>
> And, I tried to implement RegExp.prototype.compile, but ES5 and ES3
> not defined its standard behavior and I thought compile method is
> changing RegExp#source / #global / #ignoreCase / #multiline which
> writable attribute are false and
Wow!
That is quite some work that you've done here. Implementing an ES5
interpreter and contributions to test262.
Well, congratulations and thank you !
David
Le 21/10/2011 07:17, Yusuke Suzuki a écrit :
> I got reply from Mr. Fugate, used test262 commad-line runner for lv5,
> got some bugs in eng
I got reply from Mr. Fugate, used test262 commad-line runner for lv5,
got some bugs in engine (JSON quote process and RegExp escape had a
bug. now fixed). Thanks for this great test suite!
Now, some test262 test cases are failed, but these failures have reasons.
First I found test262 bugs. So I h
How does it fair on test262? http://test262.ecmascript.org/
--
kangax
On Wed, Oct 19, 2011 at 6:26 AM, Yusuke Suzuki wrote:
> Hello.
>
> I wrote new ECMA262 5.1 full support engine "iv / lv5" in C++.
> This is highly inspired from JSC, V8 and SpiderMonkey. (especially JSC)
>
> https://github.co
Hello.
I wrote new ECMA262 5.1 full support engine "iv / lv5" in C++.
This is highly inspired from JSC, V8 and SpiderMonkey. (especially JSC)
https://github.com/Constellation/iv
This aims at most precise engine to ECMA262 5.1 specification. (like
the great engine,)
I read ECMA262 and wanted pre
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