[antlr-interest] Possible bug in (not) setting TokenStartIndex and TokenStopIndex during AST rewrites

[Terence Parr]

Interesting. I think I only set the start and stop information at the  
root for rule because that is the only information I have tracked.
Ter
On Aug 6, 2008, at 11:34 AM, Sam Harwell wrote:

> If you take the following rule:
>
> postfix_expression
> 	:	(	IDENTIFIER
> 			-> ^(IDENTIFIER)
> 		)
> 		(	'.' IDENTIFIER
> 			-> ^(AST_DIRECT_MEMBER $postfix_expression
> IDENTIFIER)
> 		)*
> 	;
>
>
> And run it on the following input:
>
> a.b.c
>
> You get the following AST:
>
> AST_DIRECT_MEMBER /* has Token Start/Stop Info set */
> - AST_DIRECT_MEMBER /* DOES NOT have Token Start/Stop Info set! */
> -- a /* has Token Start/Stop Info set */
> -- b /* has Token Start/Stop Info set */
> - c /* has Token Start/Stop Info set */
>
>