Class: RuboCop::Cop::Style::RescueModifier
- Includes:
- AutocorrectAlignment
- Defined in:
- lib/rubocop/cop/style/rescue_modifier.rb
Overview
This cop checks for uses of rescue in its modifier form.
Constant Summary collapse
- MSG =
'Avoid using `rescue` in its modifier form.'
Constants included from AutocorrectAlignment
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, #offenses, #processed_source
Instance Method Summary collapse
Methods included from AutocorrectAlignment
#check_alignment, #configured_indentation_width, #indentation, #offset, #start_of_line?
Methods inherited from Cop
#add_offense, all, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #correct, #debug?, #display_cop_names?, #display_style_guide?, #excluded_file?, inherited, #initialize, #join_force?, lint?, match?, #message, non_rails, qualified_cop_name, rails?, #reference_url, #relevant_file?, #style_guide_url
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, command?, comment_line?, const_name, directions, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, move_pos, numeric_range_size, on_node, operator?, parentheses?, proc?, range_with_surrounding_comma, range_with_surrounding_space, source_range, strip_quotes, within_node?
Methods included from PathUtil
hidden?, issue_deprecation_warning, match_path?, relative_path
Constructor Details
This class inherits a constructor from RuboCop::Cop::Cop
Instance Method Details
#autocorrect(node) ⇒ Object
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# File 'lib/rubocop/cop/style/rescue_modifier.rb', line 23 def autocorrect(node) operation, rescue_modifier, = *node *_, rescue_args = *rescue_modifier correction = "begin\n" << indentation(node) << operation.loc.expression.source << "\n#{offset(node)}rescue\n" << indentation(node) << rescue_args.loc.expression.source << "\n#{offset(node)}end" range = Parser::Source::Range.new(node.loc.expression.source_buffer, node.loc.expression.begin_pos, node.loc.expression.end_pos) lambda do |corrector| corrector.replace(range, correction) end end |
#investigate(processed_source) ⇒ Object
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# File 'lib/rubocop/cop/style/rescue_modifier.rb', line 12 def investigate(processed_source) @modifier_locations = processed_source.tokens .select { |t| t.type == :kRESCUE_MOD } .map(&:pos) end |
#on_resbody(node) ⇒ Object
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# File 'lib/rubocop/cop/style/rescue_modifier.rb', line 18 def on_resbody(node) return unless modifier?(node) add_offense(node.parent, :expression) end |