[antlr-interest] error(106): reference to undefined rule

[Jim Idle]

Rule names must be lower case or they are seen as lexer rules. Start with
examples and the 5 minute getting started articles on the wiki.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Hesham Zakaria
> Sent: Tuesday, December 21, 2010 11:14 AM
> To: antlr-interest at antlr.org
> Subject: [antlr-interest] error(106): reference to undefined rule
> 
> Hi,
> I am new to antlr, and I am facing the error(106): reference to
> undefined rule.
> 
> The grammar check is successful but the code generation raises an
> error.
> 
> The grammar is just a test:
> 
> grammar test;
> TERM    : atom ( ',' atom )*  ;
> atom    : TERM ( ',' TERM)*   ;
> 
> and the error is:
> error(106): test.g:2:8: reference to undefined rule: atom
> 
> Thanks for help,
> Hesham
> 
> 
> 
> 
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