[antlr-interest] "An Introduction to ANTLR" presentation slides

Gavin Lambert antlr at mirality.co.nz
Wed Feb 27 12:33:35 PST 2008


At 09:14 28/02/2008, Darien Hager wrote:
>// This is wrong, but is what is implied from regex experience 
>with +*? modifiers.
>data: BYTE{0,4}; // 0 to 4 BYTE tokens
>
>The slide example is valid v3 code, correct? Is there a clearer 
>way to match tokens or other rules an arbitrarily-ranged number 
>of times?

Well, you could always use:

data: (BYTE (BYTE (BYTE BYTE?)?)?)?;



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