[stringtemplate-interest] How can I test if an attribute exists?

[Terence Parr]

Well, it works but does throw that exception to the error listener.   
ST v4 has an error tolerance concept where you say what you care about  
hearing about.
Ter
On Nov 16, 2009, at 10:12 AM, Samuel Lee wrote:

> This is what I want to do:
>
> $if(it.foo)$
>     do something with $it.foo$
> $endif$
>
> Obviously, it throws an exception: java.lang.NoSuchFieldException.
>
> I also tried:
>
> $if(!it.foo)$
>
> and
>
> $if(!(it.foo))$
>
> but I can't eliminate the exception.
>
> Is it possible to conditionally do something if an object has  
> specific attribute?
>
> Thanks
> Sam
>
> _______________________________________________
> stringtemplate-interest mailing list
> stringtemplate-interest at antlr.org
> http://www.antlr.org/mailman/listinfo/stringtemplate-interest