[antlr-interest] Another parsing question

[Randall R Schulz]

On Tuesday 05 August 2008 14:22, Terence Parr wrote:
> On Aug 5, 2008, at 12:44 PM, Foust wrote:
> >> Lexing is all done up front with no input from the parser at all.
> >
> > Why was that done? Is it the price you pay for infinite lookahead?
>
> Speed of access for ith char / token.  Will build a lazy version. :)

That's probably a good idea, but will you preserve the current 
semantics, making the lazy version simply a performance variant, or 
will you allow the parser to influence the behavior of the lexer, as so 
many people initially believe to be possible when the come to ANTLR?


> Ter


Randall Schulz