This has been a desired feature for many years. A few times I've
sketched out a solution, but it has never materialized. Your request has
been noted it bumps the relative priority.
Thanks,
Adrian
On 10-12-08 01:23 PM, Iñaki Baz Castillo wrote:
Hi, my Ragel grammar have many lines like "Via" below:
via_parm = ( sent_protocol LWS sent_by ( SEMI ( via_branch |
header_param ) )* )
>start_value %store_value;
Via = ( "Via"i | "v"i )>write_value>start_field
%write_field HCOLON via_parm
( COMMA %write_value via_parm )*;
So I would like to use smething like a C #define. This is, adding at
the top of my Ragel file:
#define COMMA_SEPARATED_VALUES(VALUE) ">write_value>start_field
%write_field HCOLON VALUE ( COMMA %write_value VALUE )*;"
And then in the machine write:
Via = ( "Via"i | "v"i ) COMMA_SEPARATED_VALUE(via_parm)
Of course this doesn't work. Is there a way to use "define" macros in
Ragel prior to parsing the Ragel grammar? or must I use m4?
Thanks a lot.
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