arguments is a live reference to the arguments on the call stack, so
function f(a) {
g();
alert([a, arguments[0]])
}
function g() {
f.arguments[0] = "foo";
}
f("bar");
will produce foo, foo
Isn't ES a marvelous language? :D
caller and callee aren't writable though.
--Oliver
On Sep 21, 2010, at 11:37 AM, Holger Freyther wrote:
> On 09/22/2010 02:09 AM, Oliver Hunt wrote:
>
>>
>> In the general case this would require being able to convert from inlined
>> code to a 'correct' call stack at some arbitrary point
>
> argh, I had hoped that such things would be only necessary when we have a
> debugger attached. This mean besides what maciej had said, we will need to
> remember that this range of instructions belongs to a inlined call and be able
> to generate the virtual call record.
>
> Can one write to arguments, callee and such?
>
> I wonder (and will try to measure based on sunspider and other test content)
> how many functions occur like function f(x) { return x +2; } or even fully
> constant. Is there any classification of the complexity of functions at parse
> time?
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