python interpreter

Marc 'BlackJack' Rintsch bj_666 at gmx.net
Fri Oct 14 00:30:27 CEST 2005


In <digm1h$9si$1 at online.de>, g.franzkowiak wrote:

> my interest is for the internals of the Python interpreter.
> 
> I've used up to now FORTH for something and this indirect interpreter is
>  very smart.
> --- ASM ---------------------------------------------------------------
> 
> NEXT:   LODSW           ; WA  <- [IP]
>                         ; IP  <- IP+2
>         MOV     T,WA    ; T   <- WA1 (CFA)
>         JMP     [T]     ; JMP [CFA]
> 
> --- C -----------------------------------------------------------------
> 
> for (;;)
>   {
>       w = *ip++;
>       (**w) ();
>    }
> 
> -------------------------------------------------------------------------
> 
> Where can I find informations like this for Python ?

I don't really grok the assembler code.  The C code seems to assume that
there is an infinitive number of function pointers stored at `*ip`!?

The Python equivalent might be ::

  for w in ip:
    w()

if `ip` is a (finite) sequence of functions or callables in general.

Ciao,
	Marc 'BlackJack' Rintsch



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