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From: quiggle@lovelace.wpd.sgi.com (Tom Quiggle)
Newsgroups: comp.lang.ada
Subject: Re: The Pervasive Use of BASIC
Date: 17 Nov 1994 17:51:46 GMT
Organization: Silicon Graphics, Inc.  Mountain View, CA
Message-ID: <3ag57i$cec@fido.asd.sgi.com>
References: <1994Nov15.225242.27655@relay.acadiau.ca>
NNTP-Posting-Host: lovelace.wpd.sgi.com
Date: 1994-11-17T17:51:46+00:00
List-Id: <comp.lang.ada>


In article <1994Nov15.225242.27655@relay.acadiau.ca>, 841613t@dragon.acadiau.ca writes:
> [author expressed preference for BASIC over Ada]
> Why? I suspect because it's interpreted, not compiled.  Changes
> can then be made while the end-product is running.  Re-compilation
> and the necessary interruption in service to test and start the
> newly modified application is not needed.

This is not a feature exclusive to interpreted languages.  We (SGI)
demonstrated this capability for Ada applications at the TriAda
conference in Baltimore last week.  Our Debugger is capable of
attaching to an executing process, modifying an Ada subprogram,
recompiling the modified subprogram, and patching the modification into
the executing process -- all without restarting the program.  This
feature of our multilingual debugger is refered to as "Fix and
Continue" and works for Ada9x, C, and C++ (not sure of the current
status for Fortran and PowerFortran).

> -- 
> Donald Tyzuk				| don.tyzuk@acadiau.ca
> Undergraduate student			| P.O. Box 1406
> Jodrey School of Computer Science	| Wolfville  NS  B0P 1X0
> Acadia University			| Canada

------
Tom Quiggle                                                quiggle@sgi.com
Silicon Graphics					   (415) 390 - 2884