Try Smalltalk, it has both a modern IDE/Debugger with automatic refactoring supp...

catch23 · on Jan 18, 2009

I think people who use lisp, use it because it's lisp and not smalltalk :-).

gnaritas · on Jan 19, 2009

I think people who use Smalltalk, use it because it's Smalltalk and not Lisp :-).

gruseom · on Jan 17, 2009

Smalltalk does have some advantages over Lisp, including the ones you mention. But lack of a good debugger isn't enough to make me switch. I like Lisp a lot. Besides, switching to Smalltalk would be more work than writing (modernizing, really) a Lisp debugger.

stcredzero · on Jan 18, 2009

Just steal ideas from the Smalltalk debuggers. You can see their source. If you make a copy of the debugger, you can probably even debug and step through the copy debugger in the debugger.