[antlr-interest] passing more than one parameter to a rule

[Terence Parr]

Hi Mark. Are you using the latest build?  This sounds familiar.

Ter
On Dec 11, 2007, at 7:38 AM, Mark Volkmann wrote:

> Here's the beginning of a rule named "define" that passes two String
> parameters to a rule named "polynomial".
>
> define
>  : fn=functionName '(' fv=variable ')' '=' polynomial[$fn.text,  
> $fv.text]
>
> Here's the beginning of the "polynomial" rule showing that it accepts
> two String parameters.
>
> polynomial[String fnt, String fvt]
>
> When I attempt to test this using the ANTLRWorks debugger I get the
> following error message.
>
> illegal start of expression
> [09:35:09]
> polynomial11=polynomial(input.toString(fn.start,fn.stop),  ,
> input.toString(fv.start,fv.stop));
>
> Note the consecutive commas as if it's trying to pass three  
> parameters.
>
> Any idea what I'm doing wrong?
>
> -- 
> R. Mark Volkmann
> Object Computing, Inc.