How Nested Functions Work, part 2

[Jeremie Pelletier]

Justin Johansson wrote:
> bearophile Wrote:
> 
>> - Currently D isn't very useful for the web/mobile, where lot of programmers are.
> 
> I'd be interested to know how good D is for implementing scripting/dynamic languages .. maybe that could change the odds?  I know about DMDScript (ECMAScript in D) supposedly being fast, though whatever I've read is no doubt out of date as Javascript engine (performance) wars between Google (webkit) and Mozilla (spidermonkey?) engines have been raging as of late.
> 

It is definitely easier to implement scripting languages in D than it is 
in other languages such as C/C++. However where I believe V8 (google's 
JS engine) is gaining in performance is at the direct translation of 
parse nodes to assembly without using intermediate representation in 
between and without the need of an interpreter, they even go as far as 
to modify code paths dynamically to gain more performance. I hear 
mozilla rewrote their JS engine lately too but didn't check what 
improvements they made.