Say I want a program to provide an option for a user to abort the run if an
ambiguous grammar is detected.
Should I test the return of just 1 of the above methods in preference to
the other? If so, which?
I'm also thinking of whether it makes sense to report something to the user
after calling both methods, or for just call 1.
Here's my preliminary code:
if ($self -> recce -> ambiguity_metric > 1)
{
$self -> log(notice => 'Parse is ambiguous. Ambiguity metric > 1');
}
if (my $ambiguous_status = $self -> recce -> ambiguous)
{
$self -> log(notice => "Parse is ambiguous. Status: $ambiguous_status");
}
Obviously the 'notice' log level could become 'error', if the user wishes.
Ideas?
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