[slime-devel] Debugging without stepping

[Andras Simon]

On Fri, 13 Jan 2006, Jonathon McKitrick wrote:

> On Fri, Jan 13, 2006 at 04:18:37PM +0100, Paolo Amoroso wrote:
> : Jonathon McKitrick <jcm at FreeBSD-uk.eu.org> writes:
> :
> : > I'm new to SLIME, and trying to figure out some practical debugging strategies
> : > since I'm so used to single-stepping and breakpoints, and we don't have those
> : > facilities (IIRC) under Lisp/SLIME.
> :
> : My own debugging approach is heavily based on SLIME's ability to
> : display function call backtraces and examining/inspecting stack
> : frames.  I personally rarely use single-stepping and breakpoints.
>
> But doesn't that require an exception or an error to break into the debugger?
> If you are trying to track down a logic error, what approach can you use?

PRINT. The fact that it returns its argument and that recompiling a function
takes a fraction of a second, makes this old-fashioned debugging method quite
useful.

Andras