[antlr-interest] adding content at endofrulewithTokenRewriteStream

[Jean Marc Vanel]

> How about abusing the rewrite syntax a bit, just so that you can
access
> the result tree for the rule,
> 
>   name_or_pointer
> 	:	(NAME STAR? -> NAME STAR?)
> 		{ tokens.insertAfter( $name_or_pointer.tree.stop, "blah"
); }
> 	;
> 
> I didn't test the code above, but I think I've done something like
that
> in the past.

[Jean-Marc Vanel] It's smart , but in fact , $name_or_pointer.tree.stop
, or 
name_or_pointer.tree.stop don't compile in the generated Java code.
> 
> The problem is (I think) that ANTLR doesn't normally set the
stop-token
> for the result tree until *after* the rule and all its actions have
> executed, which makes it tricky for the rule itself to get at this
> information.
> 
> Actually, all ANTLR does to set the stop-token is to assign the value
> from input.LT(-1), so maybe you could just use that,
> 
>   name_or_pointer
> 	:	NAME STAR? { tokens.insertAfter(input.LT(-1), "blah"); }
> 	;

[Jean-Marc Vanel] This works !!! Thanks a lot. I should have found it
myself ....