Class: RuboCop::Cop::Lint::RescueException
- Defined in:
- lib/rubocop/cop/lint/rescue_exception.rb
Overview
This cop checks for rescue blocks targeting the Exception class.
Constant Summary collapse
- MSG =
'Avoid rescuing the `Exception` class. ' \ 'Perhaps you meant to rescue `StandardError`?'.freeze
Constants included from Util
Util::ASGN_NODES, Util::BYTE_ORDER_MARK, Util::EQUALS_ASGN_NODES, Util::LITERAL_REGEX, Util::OPERATOR_METHODS, Util::SHORTHAND_ASGN_NODES, Util::STRING_ESCAPES, Util::STRING_ESCAPE_REGEX
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
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?, #details, #display_cop_names?, #display_style_guide?, #excluded_file?, #extra_details?, inherited, #initialize, #join_force?, lint?, match?, #message, non_rails, #parse, qualified_cop_name, #reference_url, #relevant_file?, #style_guide_url, #target_ruby_version
Methods included from Sexp
Methods included from NodePattern::Macros
#def_node_matcher, #def_node_search, #node_search_body
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?, directions, double_quotes_acceptable?, double_quotes_required?, effective_column, ends_its_line?, first_part_of_call_chain, interpret_string_escapes, line_range, move_pos, numeric_range_size, on_node, operator?, parentheses?, range_with_surrounding_comma, range_with_surrounding_space, source_range, strip_quotes, to_string_literal, to_symbol_literal, within_node?
Methods included from PathUtil
absolute?, hidden?, issue_deprecation_warning, match_path?, relative_path
Constructor Details
This class inherits a constructor from RuboCop::Cop::Cop
Instance Method Details
#on_resbody(node) ⇒ Object
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# File 'lib/rubocop/cop/lint/rescue_exception.rb', line 12 def on_resbody(node) return unless node.children.first rescue_args = node.children.first.children return unless rescue_args.any? { |a| targets_exception?(a) } add_offense(node, :expression) end |
#targets_exception?(rescue_arg_node) ⇒ Boolean
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# File 'lib/rubocop/cop/lint/rescue_exception.rb', line 20 def targets_exception?(rescue_arg_node) rescue_arg_node.const_name == 'Exception' end |