OpenEuphoria

Re: Program overlays

• Posted by Kenneth Rhodes <hermanhesse at EXCITE.COM> Jan 26, 2001
• 519 views

I think the program overlay feature requested by Mike Sabal would be a great
feature to add to Euphoria.

Ken Rhodes


On Fri, 26 Jan 2001 09:30:24 -0500, Euphoria Programming for MS-DOS wrote:

>  I'm at a point right now where a certain feature of Euphoria could be
very useful if it existed.
>
>  Right now, if I want to run a different Euphoria program from within my
Euphoria program, I need to use system_exec("exw.....  This requires a
second interpreter to be opened, with a separate shell, separate console,
etc.  And if I want to pass full control over to the second program, I
can't.  I have to add an abort(1) statement after this line to release the
current program.  This all works as far as it goes, but it's not very
elegant.
>
>  What I would like to see (I think it's been mentioned before) is
something like the following:
>
>  run_euphoria("Myprog2.ex","param1 param2 param3")
>
>  The interpreter would, upon processing this line, run the same cleanup
routine internally that abort() uses, but instead of terminating the
interpreter, re-initialize it with the new program and command-line options
(second parameter in the routine call).
>
>  I'd love to see a call_euphoria(...) routine where control returns to the
original calling program upon termination of the called program, but I
imagine that would be more complex and too hard to maintain.  I'd be happy
with just the first one.
>
>  If Rob has any religious objections to a run_euphoria statement, I
suppose I could continue to kludge along unelegantly .  I'd also like to
get some feedback from others whether or not they would find this kind of
functionality useful.  If it's just me, then forget it....
>
>  Michael J. Sabal
>  m_sabal at yahoo.com





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