Class: Rubocop::Cop::Style::BlockNesting

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

Overview

This cop checks for excessive nesting of conditional and looping constructs. Despite the cop's name, blocks are not considered as a extra level of nesting.

The maximum level of nesting allowed is configurable.

Constant Summary collapse

NESTING_BLOCKS = 
[:case, :if, :while, :while_post, :until, :until_post,
:for, :resbody]

Constants included from Util

Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods included from ConfigurableMax

#max=, #parameter_name

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?, #display_cop_names?, #exclude_file?, #include_file?, inherited, #initialize, lint?, non_rails, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

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

Constructor Details

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

Instance Method Details

#investigate(processed_source) ⇒ Object 



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# File 'lib/rubocop/cop/style/block_nesting.rb', line 17

def investigate(processed_source)
  return unless processed_source.ast
  max = cop_config['Max']
  check_nesting_level(processed_source.ast, max, 0)
end