[antlr-interest] how to deal with the number and identifier tokens overlap problem?

[John D. Mitchell]

>>>>> "Fan" == Fan Yang <fanyang_32 at yahoo.ca> writes:
[...]

> I encountered the number and identifier tokens overlap problem, for
> example, 1000-MAIN, the lexer will return INTEGER 1000 and a parsing
> error instead of "1000-MAIN" as IDENTIFIER.

Is there some reason that you're allowing identifiers to start with a
digit?

Anyways, in terms of the technique to handle this type of overlap, you
might want to check out the Java lexer. In particular the handling of '.'.

Hope this helps,
		John