> Can you either confirm that there is a bug as I described it, or that I > got it wrong?
I'm positive you're doing a RETURN of something in the first example. Implicit returns don't generate that warning. Vladimir > < Indeed I've changed RETURN to try to work like it does in CL. If > there's no nil block it will still work, but issue a warning to > encourage people to change their code. > > I'm a little unsure yet how this works in practice. I'll try compiling our > code > and looking at the generated output once the main bugs I reported have > been fixed, and will report back with the details. > > > 2010/12/8 Vladimir Sedach <[email protected]> >> >> I'm assuming λ is a macro that expands into a lambda that does (RETURN >> <something>). >> >> Indeed I've changed RETURN to try to work like it does in CL. If >> there's no nil block it will still work, but issue a warning to >> encourage people to change their code. >> >> An easy way to get around this warning in your case is to make λ wrap >> its body in a (block nil ...). >> >> Vladimir >> >> 2010/12/6 Daniel Gackle <[email protected]>: >> > (1) The following expression generates the correct code: >> > (defun blah () >> > (λ () >> > (foo 123))) >> > But it also emits "Warning: Returning from unknown block NILBLOCK", >> > which is undeserved. >> > (2) It's not clear how to do explicit return from a lambda now. That is, >> > (defun blah () >> > (λ () >> > (when (foo) >> > (return 123)) >> > ;; do some other stuff >> > )) >> > generates the same warning as above. Is this just a bug, or is it >> > suggesting >> > that one must explicitly declare a scope using (BLOCK NIL...) in order >> > to do an explicit return warning-free? I'm hoping not the latter. >> > >> > >> > >> > _______________________________________________ >> > parenscript-devel mailing list >> > [email protected] >> > http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel >> > >> > >> >> _______________________________________________ >> parenscript-devel mailing list >> [email protected] >> http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel > > > _______________________________________________ > parenscript-devel mailing list > [email protected] > http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel > > _______________________________________________ parenscript-devel mailing list [email protected] http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel
