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root |
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=head1 NAME |
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Faster - do some things faster |
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=head1 SYNOPSIS |
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use Faster; |
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=head1 DESCRIPTION |
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=over 4 |
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=cut |
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package Faster; |
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use strict; |
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BEGIN { |
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our $VERSION = '0.01'; |
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require XSLoader; |
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XSLoader::load __PACKAGE__, $VERSION; |
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} |
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use B (); |
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our $source; |
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our $label_next; |
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our $label_last; |
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our $label_redo; |
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sub entersub { |
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my ($cv) = @_; |
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my %opsseen; |
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my @ops; |
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my @todo = $cv->START; |
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while (my $op = shift @todo) { |
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for (; $$op; $op = $op->next) { |
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last if $opsseen{$$op}++; |
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push @ops, $op; |
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my $name = $op->name; |
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if (B::class($op) eq "LOGOP") { |
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push @todo, $op->other; |
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} elsif ($name eq "subst" and ${ $op->pmreplstart }) { |
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push @todo, $op->pmreplstart; |
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} elsif ($name =~ /^enter(loop|iter)$/) { |
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# if ($] > 5.009) { |
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# $labels{${$op->nextop}} = "NEXT"; |
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# $labels{${$op->lastop}} = "LAST"; |
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# $labels{${$op->redoop}} = "REDO"; |
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# } else { |
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# $labels{$op->nextop->seq} = "NEXT"; |
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# $labels{$op->lastop->seq} = "LAST"; |
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# $labels{$op->redoop->seq} = "REDO"; |
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# } |
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} |
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} |
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} |
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for (@ops) { |
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printf "%s\n", $_->name; |
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} |
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# walklines(\@lines, 0); |
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} |
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hook_entersub; |
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1; |
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=back |
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=head1 AUTHOR |
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Marc Lehmann <schmorp@schmorp.de> |
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http://home.schmorp.de/ |
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=cut |
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