Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!batcomputer!munnari.oz.au!metro!usage.csd.unsw.oz.au!hydra.maths.unsw.oz.au!jim From: jim@hydra.maths.unsw.oz.au Newsgroups: comp.lang.prolog Subject: better than 4-port debugger Message-ID: <1793@usage.csd.unsw.oz.au> Date: 24 Jun 91 01:12:41 GMT Sender: news@usage.csd.unsw.oz.au Reply-To: jim@hydra.maths.unsw.oz.au () Organization: University of New South Wales Lines: 17 IMHO, four-port debugging may be fine as an underlying model, but is bad as a view of that model. recently, i was doing some partial evaluation work and the strutures i was generating filled several lines on my 4-port debugger. what i would have prefered is a debugger ala Smalltalk where the call history is on a click and point list in a window and clicking on item in that list pops up another window with all the arguments listed in another list. clicking on any one argument would print it to a third window. sound tricky, right? actually, its wonderfully easy to use. the debugger was one of the main reasons I switched from KEE on a LISP machine to Smalltalk/V under DOS. I had all the debugging productivity and none of the LISP machine overheads. tim menzies. (timm@spectrum.cs.unsw.oz.au)