Re: Passing parameters to a parser

Marcel Grunauer wrote:

>                $parser = new Parse::RecDescent ( $grammar );
> 
>                $parser->data($text, 1, "str", 2, \@arr);
> 
>                #             ^^^^^  ^  ^^^^^^^^^^^^^^^
>                #               |    |         |
>                # TEXT TO BE PARSED  |         |
>                # STARTING LINE NUMBER         |
>                # ELEMENTS OF @arg WHICH IS PASSED TO RULE data
> 
>        then within the productions of the rule `data', the array
>        `@arg' will contain `("str", 2, \@arr)'.
> 
> .... If that's what you mean.

Thank you -- now I'm able to call an instance method of a class:
....
html: <rulevar: local $self = $arg[0]>
start_tag: '<' tagname attr(s?) '>'  {$self->start_handler ($item[2], $item[3])}
....