Re: Is there a built-in variable that contains a function's name?

[Paul Kienzle]

Sort of.  You could write an oct-file which returns the function name
given in the global variable curr_function.  Something like the following:

/* This program is granted to the public domain */
#include <octave/oct.h>
#include <octave/ov-usr-fcn.h>
#include <octave/toplev.h>

DEFUN_DLD(fname,args,nargout,"\
fname returns the name of the currently executing user function\n\
")
{
  octave_value_list retval;

  if (curr_function)
      retval(0) = curr_function->function_name ();
  else
      error("fname: there is no currently executing function");

  return retval;
}

Paul Kienzle
address@hidden

On Sat, Dec 29, 2001 at 11:13:12PM -0300, Roberto Hernandez wrote:
> Hello everyone,
> 
> Is there any built in variable (such as nargin) that contains the name 
> of the function that is being executed? I've been searching the 
> documentation, but if it's there I haven't found it.
> 
> What I'm trying to do is to include something like this at the beginning 
> of each function:
> 
> --------------------
> function foo()
>      printf("%s\n", variable_containing_function_name);
>      fflush(stdout);
> 
>      ...
> endfunction
> --------------------
> 
> That way I can locate bugs a lot easier. I would rather use a variable 
> than hard code the name in the printf statement if that's possible, just 
> in case I later change the function name and forget to change the rest.
> 
> TIA and Happy New Year.
> 
> - Roberto
> 
> 
> 
> 
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-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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