RE: [Boost-users] Fw: Parser error from semantic actions

From: Hartmut Kaiser (hartmutkaiser_at_[hidden])
Date: 2004-07-12 11:37:32

Hermann Oliveira Rodrigues wrote:

> How can I inform an error from a semantic action? Consider 
> the following code:
> 
> rule = IDENTIFIER[ callback_a( m_varBinder, &VarBinder::bind ) ];
> 
> callback_a is an actor allowing member calls in semantic actions. 
> VarBinder::bind receives an identifier and try to locate it 
> in an external symbol table. If bind fails, I like to inform 
> a parser error back to Spirit. 
> How can I do that? Pointers to the relevant parts in the 
> documentation are welcome.

Have you had a look at the error handling parsers (see here:
http://tinyurl.com/5z2y6)?

Regards Hartmut