--- Dan Sugalski <[EMAIL PROTECTED]> wrote:
> At 12:11 PM 8/2/00 +0100, Tim Bunce wrote:
> >Thinking about that some more, I can imagine that...
> >
> >a) The 'use' of an 'interface definition' could
> optionally just define
> >    stubs that will trigger the 'use' of a module to
> implement it when
> >    first called.
> >
> >b) An 'interface definition' could cover multiple
> modules
> >    (or, more strictly, multiple interface definitions
> for those modules).
> >    Thus a single 'use' of an 'interface definition'
> thingy could save
> >    many lines of individual 'use' statements.
> 
> Yup, that pretty much summarizes things. I'm thinking of
> some sort of list 
> of functions (pre-munched appropriately, so the lexer has
> fast access to 
> it) with attached prototypes and shared library routine
> names. You use, 
> say, localtime and perl automagically loads in
> perl_localtime.so.
> 
> I wanted to do this not so much to reduce the size of the
> core (They're not 
> *that* much code) as to reduce the number of opcodes
> being used. I really, 
> *really* want to trim down the opcode list.

Hear, hear! However, one thing I would like to see is the
removal of some ov the horrible polymorphism imposed on
some of the opcodes. I understand that opcodes may need to
do different things depending on their context or argument
types, but there really isn't much of an excuse (that I
know of, correct me if I'm wrong) for pp_readline to be
supporting OP_READLINE and *OP_GLOB*! Doing so reduces code
legibility, and imposes unneeded bloat (and cache misses)
on verious pp functions.

-- BKS


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