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Re: Parse::RecDescent grammar definition

by lancer (Beadle)
on Mar 21, 2011 at 12:10 UTC ( #894487=note: print w/ replies, xml ) Need Help??

in reply to Parse::RecDescent grammar definition

I get this when I try to run it:

ERROR: Internal error in generated parser code! (Hint: Set $::RD_HINT (or -RD_HINT if you're using "pe +rl -s") for hints on fixing these problems.) Can't call method "Format" on an undefined value at ./ line 17.

When run with "$::RD_HINT" set, as it recommends, I get this:

ERROR: Internal error in generated parser code! (Hint: Global symbol "%ite" requires explicit package +name at (eval 8) line 472. syntax error at (eval 8) line 475, near ") {" syntax error at (eval 8) line 480, near "} Parse::RecDescent::_trace" BEGIN not safe after errors- -compilation aborted at (eval 8) line 541. ) Can't call method "Format" on an undefined value at ./ line 20.

I'm using Perl version 5.12.

Update: Ok, the problem was that I copy-pasted the code, and one of the lines was broken from that. I've used the "download" link, and now it runs fine. (though with citromatik's original problem) (thanks, jethro!)

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Re^2: Parse::RecDescent grammar definition
by citromatik (Curate) on Mar 21, 2011 at 12:56 UTC

    I don't have any problem running the example I posted in Perl 5.10:

    #!/usr/bin/perl use strict; use warnings; use Parse::RecDescent; my $p2 = Parse::RecDescent->new(q( hyphen : "-" option : "a" | "b" | "c" Format : Entry(s) Pre : hyphen option Post : option hyphen Entry : Pre | Post { use Data::Dumper; print Dumper \%ite +m;} )); $p2->Format('a-'); $p2->Format('-a');


    $VAR1 = { 'Post' => '-', '__RULE__' => 'Entry' };


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