Hi Paul,

If you press F3 to list all compile errors, you'll notice that
do-backtrack also failed to compile.

: do-backtrack ( vm backtrack -- vm )
  [ pc>> >>pc ] [ pos>> >>pos ] [ cap>> >>cap ] 2tri 2drop
; inline

Indeed, this word does not leave the vm on the stack.

Slava

On Fri, Oct 16, 2009 at 4:45 AM, Paul Moore <[email protected]> wrote:
> 2009/10/16 Slava Pestov <[email protected]>:
>> Can you post your entire program?
>
> I can, but it'll have to wait until this evening. Or you can get the
> nearly-up-to-date version from bitbucket:
> http://bitbucket.org/pmoore/factor-peg/src/a5109e0ac892/lpeg.factor -
> it's missing a few fixes ("parsing" and "peek" being the two most
> obvious ones) but should demonstrate the issu.
>
>> As a matter of style, we write words that consume their arguments. So
>> at some point you might want to try changing those words to not return
>> a vm.
>
> I know, that's what I want to change once I've got it going.
>
>> Glad to hear you're working on the LPEG interpreter again, I'd love to
>> try optimizing it at some point.
>
> Don't hold your breath :-) My attention span combined with my free
> time makes for very unproductive development habits :-) But I'll see
> how I get on this time...
>
> Paul.
>
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