Jim Idle wrote:
>> rules, I get "Cannot display rule "X" because start state is not found"
>>
>> comment
>> : !(DIGIT | LETTER | SPACE)*
>> ;
>
> Remove the ! from this rule. Looks like you are trying to type a v2 grammar
> into AntlrWorks, which is for v3 grammars, which is probably what you should
> be using for a new project :-)
Actually the ! sign was just suppose to be the markup for a comment in the
language. I guess it's
also an operator for ANTLR's grammar processor like * or ; I encapsulated it in
a set of 's and that
fixed everything.
>
>> SPACE
>> options {
>> paraphrase = " ";
>> }
>
> Paraphrase option is for v2, not v3, so remove that options{} clause.
I ran the debugger some yesterday and it was complaining about this, so I did
that. I think I found
this from an example online somewhere. I just picked up the book today, so
hopefully that should help.
Incidentally is there a good way to get the entire CFG printed/displayed as a
*complete* railroad
diagram? I'd like to put that in my program documentation.
MPinnegar
>
> Jim
>
>
>
>
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