[fset-devel] Fix for SBCL 1.0.53

[Scott L. Burson]

Thanks for the heads-up!  I'll update FSet over the weekend.

-- Scott

On Thu, Nov 10, 2011 at 5:55 AM, Nikodemus Siivola
<nikodemus at random-state.net> wrote:
> As of recently SBCL's fixnums are 63 bits long on 64-bit platforms --
> which breaks FSET. Sticking the following definitions into port.lisp
> in place of the current ones should make things better.
>
> ...but I didn't actually verify that the rest of FSET works sanely
> with these values. (I'm not on fset-devel, so CCing Scott directly and
> Xach for Quicklisp's convenience.)
>
> (defconstant Tuple-Key-Number-Size
>  (ecase (integer-length most-positive-fixnum)
>    (62 41)     ; SBCL, 64-bit
>    (61 40)     ; ECL, 64-bit
>    (60 40)     ; SBCL, OpenMCL, Scieneer CL, 64-bit
>    (48 32)     ; CLISP, 64-bit
>    (31 18)     ; Symbolics L-machine, I-machine
>    (29 17)     ; Allegro, CMUCL, SBCL, LispWorks (most), ECL, 32-bit
>    (24 15)     ; CLISP, 32-bit
>    (23 14))    ; LispWorks 4 on Linux
>  "This limits the number of tuple-keys that can exist in a session.")
>
> (defconstant Tuple-Value-Index-Size
>  (ecase (integer-length most-positive-fixnum)
>    (62 21)
>    (61 21)
>    (60 20)
>    (48 16)
>    (31 13)
>    (29 12)
>    (24 9)
>    (23 9))
>  "This limits the number of key/value pairs in any tuple.")
>
> Cheers,
>
>  -- Nikodemus
>