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package Perl::Lint::Policy::ControlStructures::ProhibitNegativeExpressionsInUnlessAndUntilConditions; |
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133
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72658
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use strict; |
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171
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3178
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use warnings; |
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133
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use Perl::Lint::Constants::Type; |
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use parent "Perl::Lint::Policy"; |
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577
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use constant { |
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DESC => 'Found "%s" in condition for an "%s"', |
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EXPL => [99], |
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}; |
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185
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my %invalid_op_types = ( |
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&NOT => '!', |
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&ALPHABET_NOT => 'not', |
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&STRING_NOT_EQUAL => 'ne', |
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&NOT_EQUAL => '!=', |
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&LESS => '<', |
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&LESS_EQUAL => '<=', |
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&GREATER => '>', |
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&GREATER_EQUAL => '>=', |
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&COMPARE => '<=>', |
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&STRING_LESS => 'lt', |
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&STRING_GREATER => 'gt', |
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&STRING_LESS_EQUAL => 'le', |
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&STRING_GREATER_EQUAL => 'ge', |
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&STRING_COMPARE => 'cmp', |
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®_NOT => '!~', |
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&STRING_NOT_EQUAL => 'ne', |
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&NOT_EQUAL => '!=', |
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); |
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sub evaluate { |
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my ($class, $file, $tokens, $src, $args) = @_; |
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my @violations; |
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for (my $i = 0, my $token_type; my $token = $tokens->[$i]; $i++) { |
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4163
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$token_type = $token->{type}; |
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4163
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100
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100
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12000
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if ($token_type == UNLESS_STATEMENT || $token_type == UNTIL_STATEMENT) { |
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110
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my $control_structure = $token->{data}; |
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110
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$token = $tokens->[++$i] or last; |
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110
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100
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if ($token->{type} != LEFT_PAREN) { |
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for (; $token = $tokens->[$i]; $i++) { |
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$token_type = $token->{type}; |
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100
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if ($token_type == SEMI_COLON) { |
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100
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last; |
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} |
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elsif ($invalid_op_types{$token_type}) { |
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push @violations, { |
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filename => $file, |
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line => $token->{line}, |
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description => sprintf(DESC, $invalid_op_types{$token_type}, $control_structure), |
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explanation => EXPL, |
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policy => __PACKAGE__, |
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}; |
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} |
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} |
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80
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next; |
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} |
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my $lpnum = 1; |
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for ($i++; $token = $tokens->[$i]; $i++) { |
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108
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85
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$token_type = $token->{type}; |
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108
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305
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if ($token_type == LEFT_PAREN) { |
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100
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0
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0
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$lpnum++; |
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} |
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elsif ($token_type == RIGHT_PAREN) { |
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0
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0
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last if --$lpnum <= 0; |
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} |
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elsif ($invalid_op_types{$token_type}) { |
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push @violations, { |
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filename => $file, |
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line => $token->{line}, |
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description => sprintf(DESC, $invalid_op_types{$token_type}, $control_structure), |
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explanation => EXPL, |
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policy => __PACKAGE__, |
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}; |
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last; |
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} |
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} |
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} |
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} |
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86
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109
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return \@violations; |
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} |
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89
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1; |
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