OpenEuphoria

Re: Calling Func/Proc

• Posted by c.k.lester <euphoric at ckl?ster.com> Jul 11, 2007
• 751 views

CChris wrote:
> 
> c.k.lester wrote:
> > I would really like to have a function that returns the name of the
> > calling func/proc.
> The SymTab index of the callee is computed when calling a routine, but not
> kept
> (sub is a local var in the big switch routine in be_execute.c).

It doesn't seem to me like you'd need to store anything extra. Doesn't the
interpreter already know what routine called another routine?

proc A calls
  +- proc B which calls
       +- proc C which calls
            +- proc D

Is there a list kept like this by the interpreter? If so, then when I'm in
proc D and want to know the parent, I just return parent_proc( current_proc ).

> You could get a full image of the call stack by keeping a "sequence", which
> doesn't exist in C, of indexes of called routines, and your routine would
> query
> the symtab image for routine names.

I would be surprised if the interpreter couldn't already provide this
information, quickly and easily.