Re: Eval() ?
Re: Eval() ?
- Subject: Re: Eval() ?
- From: "Corey O'Connor" <email@hidden>
- Date: Thu, 2 Mar 2006 19:09:48 -0800
I also feel obligated to point out that without strict constraints on
what can be eval'd an eval feature is a great way to introduce a
security hole. :-)
-Corey
On 3/2/06, Andrew Farmer <email@hidden> wrote:
> On 02 Mar 06, at 11:28, Thierry Passeron wrote:
> > Hello there,
> >
> > Is there an Eval() like function in cocoa that would eval a string
> > and execute it as if it was a code.
> > like:
> >
> > id object=NSEval(@"[SomeClass
> > method1:aparameter :anOtherparameter]" );
> > would be the same as:
> > id object=[SomeClass method1:aparameter :anOtherparameter];
> >
> > Is it possible in Objective-C's Cocoa API ?
>
> Not directly.
>
> Cocoa is a superset of C, which is a compiled language; as such
> there's no direct way to compile and run code at runtime. However,
> there are ways to construct method calls, so long as that's all
> you're doing. It's difficult, however; you may want to try explaining
> what you're after to see if there's some more straightforward way of
> doing what you're looking for.
>
>
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--
-Corey O'Connor
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| References: | |
| | >Eval() ? (From: Thierry Passeron <email@hidden>) |
| | >Re: Eval() ? (From: Andrew Farmer <email@hidden>) |