Class: Rubocop::Cop::Style::AvoidPerlBackrefs

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/avoid_perl_backrefs.rb

Overview

This cop looks for uses of Perl-style regexp match backreferences like $1, $2, etc.

Instance Attribute Summary

Attributes inherited from Cop

#autocorrect, #corrections, #debug, #disabled_lines, #offences

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?

Constructor Details

This class inherits a constructor from Rubocop::Cop::Cop

Instance Method Details

#on_nth_ref(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/avoid_perl_backrefs.rb', line 9

def on_nth_ref(node)
  backref, = *node

  add_offence(:convention,
              node.loc.expression,
              "Prefer the use of MatchData over $#{backref}.")
end