28 Sep
2004
28 Sep
'04
5:09 p.m.
>>>> "Dwight" == Dwight K Elvey
<dwight.elvey(a)amd.com> writes:
> From: "David V. Corbin"
<dvcorbin(a)optonline.net>
>>>> >>> Can you create self modifying code in any high level
>>>> language, the kind of code where the application program
>>>> actually changes it's own instructions?
>>>>
>>>> I know in C it is possible to pass an address of a function to
>>>> a function, that's not really what I mean.
>>>>
> Actually this is (sort of) becoming more common. One exciting
> feature of a new platform by the software vendor who shall not be
> named, is that the compiler is actually part of the runtime. This
> means that any program can write source code to a string (or other
> structure) and compile and execute it!!!!!!
>
Dwight> Hi It was possible to do in early BASIC's that allowed a
Dwight> machine code subroutine calls. One input the code as data and
Dwight> then called it. Both LISP and Forth have the ability to, by
Dwight> program, compile code and then execute it. It is done more
Dwight> often in LISP.
Good point about Forth.
I wouldn't say LISP does it more -- whenever you feed code to a Forth
system, it's doing this, so it does it all the time every time...
paul