Class: RuboCop::Cop::Style::NestedParenthesizedCalls

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

Overview

This cop checks for unparenthesized method calls in the argument list of a parenthesized method call.

Examples:

# good
method1(method2(arg), method3(arg))

# bad
method1(method2 arg, method3, arg)

Constant Summary collapse

MSG = 
'Add parentheses to nested method call `%<source>s`.'.freeze

Constants included from Util

Util::LITERAL_REGEX

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offense, all, autocorrect_incompatible_with, badge, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, #correct, department, #duplicate_location?, #excluded_file?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, non_rails, #parse, qualified_cop_name, #relevant_file?, #target_rails_version, #target_ruby_version

Methods included from AST::Sexp

#s

Methods included from NodePattern::Macros

#def_node_matcher, #def_node_search, #node_search, #node_search_all, #node_search_body, #node_search_first

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, comment_line?, double_quotes_required?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_range, needs_escaping?, on_node, parentheses?, same_line?, to_string_literal, to_supported_styles, tokens

Methods included from PathUtil

absolute?, hidden_dir?, hidden_file_in_not_hidden_dir?, match_path?, pwd, relative_path, reset_pwd, smart_path

Constructor Details

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

Instance Method Details

#autocorrect(nested) ⇒ Object 



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# File 'lib/rubocop/cop/style/nested_parenthesized_calls.rb', line 32

def autocorrect(nested)
  first_arg = nested.first_argument.source_range
  last_arg = nested.last_argument.source_range

  leading_space =
    range_with_surrounding_space(range: first_arg,
                                 side: :left).begin.resize(1)

  lambda do |corrector|
    corrector.replace(leading_space, '(')
    corrector.insert_after(last_arg, ')')
  end
end

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/nested_parenthesized_calls.rb', line 20

def on_send(node)
  return unless node.parenthesized?

  node.each_child_node(:send) do |nested|
    next if allowed_omission?(nested)

    add_offense(nested,
                location: nested.source_range,
                message: format(MSG, source: nested.source))
  end
end