On Apr 30, 2010, at 6:28 PM, Jim Idle wrote:
> I think we have a lot more scope in this space than we ever had. Technology
> moves and we can too. The nearer the machine the better the performance but
> it isn't always the lowest level you code at that counts.
>
> At this very simple vm level I can code assembler better than the c compiler
> but beyond this it needs computation that humans cannot do in any practical
> time. So a simple vm and we get nearer the machine. I really like this path.
Me too. i just finished doing nongreedy loops
CMT : '/*' (options {greedy=false;}:.)* '*/' ;
I need to add rule invocations, which renders this effectively an LL(*) VM.
It then makes you wonder about using the VM to do backtracking in LL(*) parser
prediction. It would avoid all that "if backtracking" around each action since
the VM would do all prediction. it's sweeet :) I wish i could type in code
faster. ;) i can barely sleep at night, this VM stuff is so cool. That says a
lot after 30 years of coding.
Ter
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