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

Inherits:

Cop

• Object
• Cop
• RuboCop::Cop::Style::NestedParenthesizedCalls

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

MSG =

'Add parentheses to nested method call `%s`.'.freeze

RSPEC_MATCHERS =

[:be, :eq, :eql, :equal, :be_kind_of, :be_instance_of,
:respond_to, :be_between, :match, :be_within,
:start_with, :end_with, :include, :raise_error].freeze

Constants included from Util

Util::ASGN_NODES, Util::BYTE_ORDER_MARK, Util::CONDITIONAL_NODES, Util::EQUALS_ASGN_NODES, Util::LITERAL_REGEX, Util::LOGICAL_OPERATOR_NODES, Util::MODIFIER_NODES, Util::OPERATOR_METHODS, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary

• #on_send(node) ⇒ Object

Methods inherited from Cop

#add_offense, all, 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_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?, block_length, comment_line?, compatible_external_encoding_for?, directions, double_quotes_acceptable?, double_quotes_required?, effective_column, ends_its_line?, escape_string, first_part_of_call_chain, hard_to_type?, interpret_string_escapes, line_distance, line_range, move_pos, needs_escaping?, numeric_range_size, on_node, operator?, parentheses?, parenthesized_call?, preceed?, range_between, range_with_surrounding_comma, range_with_surrounding_space, same_line?, source_range, strip_quotes, stripped_source_upto, to_string_literal, to_supported_styles, to_symbol_literal, within_node?

Methods included from PathUtil

absolute?, match_path?, relative_path

Constructor Details

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

Instance Method Details

#on_send(node) ⇒ Object

# File 'lib/rubocop/cop/style/nested_parenthesized_calls.rb', line 21

def on_send(node)
  return unless parenthesized_call?(node)

  node.each_child_node(:send) do |nested|
    next if nested.method_args.empty? ||
            parenthesized_call?(nested) ||
            operator?(nested.method_name) ||
            rspec_matcher?(node, nested) ||
            nested.asgn_method_call?
    add_offense(nested, nested.source_range, format(MSG, nested.source))
  end
end