Sha256: ab0ef160c165dafafdb1ae72cf9568d5cea3f00048c833454dd98408c202e6f8
Contents?: true
Size: 1.54 KB
Versions: 3
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Stored size: 1.54 KB
Contents
# encoding: utf-8 module Rubocop module Cop module Style # This cop checks for excessive nesting of conditional and looping # constructs. Despite the cop's name, blocks are not considered as an # extra level of nesting. # # The maximum level of nesting allowed is configurable. class BlockNesting < Cop include ConfigurableMax NESTING_BLOCKS = [ :case, :if, :while, :while_post, :until, :until_post, :for, :resbody ] def investigate(processed_source) return unless processed_source.ast max = cop_config['Max'] check_nesting_level(processed_source.ast, max, 0) end private def check_nesting_level(node, max, current_level) if NESTING_BLOCKS.include?(node.type) unless node.loc.respond_to?(:keyword) && node.loc.keyword.is?('elsif') current_level += 1 end if current_level > max self.max = current_level unless part_of_ignored_node?(node) add_offense(node, :expression, message(max)) do ignore_node(node) end end end end node.children.each do |child| if child.is_a?(Parser::AST::Node) check_nesting_level(child, max, current_level) end end end def message(max) "Avoid more than #{max} levels of block nesting." end end end end end
Version data entries
3 entries across 3 versions & 1 rubygems
Version | Path |
---|---|
rubocop-0.21.0 | lib/rubocop/cop/style/block_nesting.rb |
rubocop-0.20.1 | lib/rubocop/cop/style/block_nesting.rb |
rubocop-0.20.0 | lib/rubocop/cop/style/block_nesting.rb |