[bitc-dev] first try with bitc

[Swaroop Sridhar]

Tom Bachmann wrote:
> 
> (bitc-version "0.9+")
> (import stdio bitc.stdio)
> 
> (define (main argv:(vector string))
>   (letrec
>     ((print (lambda (s)
>               (stdio.write-string stdio.stdout s)
>               (stdio.write-char stdio.stdout #\linefeed)))
>      (iter (lambda (f v i)
>              (if (== i (vector-length v))
>                ()
>                (begin
>                  (f (vector-nth v i))
>                  (iter f v (+ i 1))))))
>      (vector-for-each (lambda (f v)
>                         (iter f v 0))))
>     (vector-for-each print argv))
>   (the int32 0))
> 
> But bitcc complains:
> 
> echo2.bitc:9:6: Function iter Needs Closure Conversion. [Heap Closure].
>         Free Variables are: iter,   Bound Variables are: f, v, i,


As noted in the release notes 
http://coyotos.org/docs/bitc/relnotes-0.9.html,

inner lambdas that are closed over locals are not yet implemented. If 
you define `print' and `iter' as top level forms, this issue goes away.
Closure conversion is not implemented in the bootstrap compiler.

Thanks,
Swaroop.