Your CodeProcess::do_macro_match is still wrong, please read
https://metacpan.org/pod/distribution/Marpa-R2/pod/Scanless/R.pod#g1_location_to_span()
.
"Mike's" workaround is quite correct, you have to "merge" the G1 start and
end locations.
Clearer code in attachment.
Le samedi 4 août 2018
The interface here is a series of layers that grew over the history of R2
-- there never really was any design so conventions change between each
call. In other words, it's a mess. The emphasis in R2 is on backward
compatibility so, alas, it won't improve.
In R3 I redesigned G1 locations and
Hi Jeffrey,
While that works for the simple example, it seems to fail for slightly more
complex examples (Now I don''t feel bad about having had trouble with this
to begin with!)
The attached a program that demonstrates the problem and the (surprisingly
messy) fix as shown by the following
In the attached, I corrected the script, and added detailed comments about
what is going on.
Hope this helps! -- jeffrey
On Fri, Aug 3, 2018 at 10:41 AM, Michael Spertus
wrote:
> Hi Jeffrey,
> Unless I'm misreading what you are suggesting, that seems to give me the
> same failure as in the
Hi Jeffrey,
Unless I'm misreading what you are suggesting, that seems to give me the
same failure as in the original post as in the code below.
use Marpa::R2;
>
> my $dsl = <<'END_OF_DSL';
> :default ::= action => [name,values]
> lexeme default = latm => 1
>
> :start ::= matches
>
> matches ::=
