Class: Rubocop::Cop::Style::OpMethod

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

Overview

This cop makes sure that certain operator methods have their sole parameter named other.

Constant Summary collapse

MSG = 
'When defining the %s operator, name its argument *other*.'
BLACKLISTED = 
[:+@, :-@, :[], :[]=, :<<]
TARGET_ARGS = 
s(:args, s(:arg, :other))

Constants inherited from Cop

Cop::OPERATOR_METHODS

Constants included from Util

Util::PROC_NEW_NODE

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect?, #config_to_allow_offences, #config_to_allow_offences=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #exclude_file?, #exclude_paths, #ignore_node, #include_file?, #include_paths, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, style?, #support_autocorrect?

Methods included from Util

block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, on_node, proc?, range_with_surrounding_space, source_range, strip_quotes

Constructor Details

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

Instance Method Details

#on_def(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/op_method.rb', line 15

def on_def(node)
  name, args, _body = *node

  if name !~ /\A\w/ && !BLACKLISTED.include?(name) &&
      args.children.size == 1 && args != TARGET_ARGS
    add_offence(args.children[0], :expression,
                sprintf(MSG, name))
  end
end