Dat Nguyen wrote:
> 
> Is there anything you can do with YACC & lex but can't with Ruby?

probably you mean Ruby + racc

I started translating parse.y to a racc format to build a RubyInRuby
parser.

The only annoying issue was how to get the stack with the still
successfully parsed states out of it if an syntax error happens.

But, can you do that with yacc?

markus