Re: Problems with epsilon productions

[Evan Lavelle]

Arlen Cox wrote:
> I am trying to implement a grammar that may have 0 or more of a construct.
> Effectively I want to have a grammar like this:
>
> File:
>     ( Module )*

File :
    /* nothing */
  | File Module
  ;

Google 'left recursion', or converting between LALR and LL grammars (or 
LR and LL). There are a number of articles on the Antlr site that cover 
this. Also see if you can get a copy of 'lex & yacc' (1-56592-000-7).

Evan