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package App::PRT::Command::IntroduceVariables; |
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1528
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use strict; |
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use warnings; |
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use PPI; |
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82243
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sub new { |
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my ($class) = @_; |
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bless {}, $class; |
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} |
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sub parse_arguments { |
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my ($self, @arguments) = @_; |
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use Data::Dumper; |
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@arguments; |
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} |
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sub execute { |
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my ($self, $file, $out) = @_; |
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my $variables = $self->collect_variables($file); |
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for my $variable (@$variables) { |
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say $out $variable; |
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} |
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} |
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sub collect_variables { |
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my ($self, $file) = @_; |
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my $document = PPI::Document->new($file); |
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my $knowns = {}; |
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my $variables = []; |
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my $tokens = $document->find('PPI::Token::Symbol'); |
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return [] unless $tokens; |
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for my $token (@$tokens) { |
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100
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next if $knowns->{$token}++; |
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push @$variables, $token->content; |
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} |
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$variables; |
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} |
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1; |