Hi,
why doesn't the question mark in the optarg(?)
below work as I expect? In the trace I see that
optarg consumes the character and then the
option rule fails, since the final is missing.
Isn't P:RD supposed to backtrack and say
ok, the optarg(?) didn't match anything here?
Of course the
Hello,
I recently downloaded the Parse::RecDescent package to parse
boolean queries. I have several questions, not necessarily about
the package itself, but rather about my grammar.
I am currently using the following grammar:
my $grammar = q
{
autotree
disj : qualif(?)
On Thu, 20 May 2004, [EMAIL PROTECTED] wrote:
why doesn't the question mark in the optarg(?)
below work as I expect? In the trace I see that
optarg consumes the character and then the
option rule fails, since the final is missing.
Isn't P:RD supposed to backtrack and say
ok, the
On Thursday, May 20, 2004 Alexander Farber said:
Hi,
why doesn't the question mark in the optarg(?)
below work as I expect? In the trace I see that
optarg consumes the character and then the
option rule fails, since the final is missing.
Isn't P:RD supposed to backtrack and say
ok,
On Thursday, May 20, 2004 Jonas Wolf said:
Hello,
I recently downloaded the Parse::RecDescent package to parse
boolean queries. I have several questions, not necessarily about
the package itself, but rather about my grammar.
I am currently using the following grammar:
my $grammar = q