Re: [bug-mes] Compilation error with mescc - unhandled exception:not-a-number:(#\h)

[Danny Milosavljevic]

Hi Janneke!

On Thu, 30 May 2019 14:48:05 +0200
Jan Nieuwenhuizen <address@hidden> wrote:

> Danny Milosavljevic writes:
> 
> Hi Danny!
> 
> > I've been trying to fix some test failures on wip-arm, and one that I
> > can't fix says:  
> 
> I'm looking into it, have you tried with MES=guile SCHEME=guile?  That
> would possibly give us a better backtrace :-)
> 
> > $ cat mescc-lib/lib/tests/scaffold/55-char-array.log
> > less_punhandled exception:not-a-number:(#\h)  
> 
> It looks as if there's a typo somewhere, this
> 
> >   #<#<<record-type> <frame> (procedure)> <frame> (lambda (r) (if 
> > (#<variable <> v 0) (#<variable list> (#<variable list> (#<variable list> 
> > (quote #:immediate1) (#<variable -> -1 v)) (#<variable string-append> 
> > mvn____% r ,$i8))) (#<variable list> (#<variable list> (#<variable list> 
> > (quote #:immediate1) v) (#<variable string-append> mov____$i8,% r)))))>  
> 
> suggests that the `v' passed to `armv4:value->r' is a character and not
> a number.
> 
> > Hmm?  
> 
> ...looking further into value->r usage
> 
> module/mescc/compile.scm
> --8<---------------cut here---------------start------------->8---
>         (,char (guard (char? char))
>                (let ((info (allocate-register info)))
>                  (append-text info (wrap-as (as info 'value->r char)))))
> 
> --8<---------------cut here---------------end--------------->8---
> 
> this one looks suspicious; could it be that you're hit by this?  Looks
> like abug.
> 
> Let me know if you need more help!
> 
> janneke
> 



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