[antlr-interest] unicode 16bit versus new 21bit stuff

[John D. Mitchell]

>>>>> "Terence" == Terence Parr <parrt at cs.usfca.edu> writes:
>>>>>> On Jun 20, 2004, at 11:49 AM, John D. Mitchell writes:
[...]

>> What does that mean?  That there wouldn't be any, independent lexer?
>> Or are you talking about some sort of coordination between the lexer and
>> the parser?

> I'm not sure...my intuition says there is something there.  For sure, I'm
> ultimately going to have a context-sensitive lexer where it is
> goal-oriented unlike existing lexers.  I.e., if your parser can match
> either an INT or a SEMI at a spot, it asks the lexer to match one of
> those two only--not the entire possible set.

Ah, I see.  So rather than having a passive lexer eating input and
providing it to the parser, the lexer is actually directed by the parser.

Go wild,
	John


 
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