Class: RuboCop::Cop::Lint::LiteralAsCondition
- Defined in:
- lib/rubocop/cop/lint/literal_as_condition.rb
Overview
This cop checks for literals used as the conditions or as operands in and/or expressions serving as the conditions of if/while/until.
Constant Summary collapse
- MSG =
'Literal `%<literal>s` appeared as a condition.'
Constants included from Util
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
- #message(node) ⇒ Object
- #on_case(case_node) ⇒ Object
- #on_if(node) ⇒ Object
- #on_send(node) ⇒ Object
- #on_until(node) ⇒ Object (also: #on_until_post)
- #on_while(node) ⇒ Object (also: #on_while_post)
Methods inherited from Cop
#add_offense, all, autocorrect_incompatible_with, badge, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, #correct, department, #disable_uncorrectable, #duplicate_location?, #excluded_file?, #external_dependency_checksum, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #messages, #parse, qualified_cop_name, #reason_to_not_correct, #relevant_file?, #target_rails_version, #target_ruby_version
Methods included from AST::Sexp
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?, #correctable?, #disable_offense, #disable_uncorrectable?, #safe_autocorrect?, #support_autocorrect?
Methods included from IgnoredNode
#ignore_node, #ignored_node?, #part_of_ignored_node?
Methods included from Util
add_parentheses, args_begin, args_end, begins_its_line?, comment_line?, comment_lines?, double_quotes_required?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_range, needs_escaping?, on_node, parentheses?, same_line?, to_string_literal, to_supported_styles, tokens, trim_string_interporation_escape_character
Methods included from PathUtil
absolute?, chdir, hidden_dir?, hidden_file_in_not_hidden_dir?, match_path?, pwd, relative_path, reset_pwd, smart_path
Constructor Details
This class inherits a constructor from RuboCop::Cop::Cop
Instance Method Details
#message(node) ⇒ Object
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# File 'lib/rubocop/cop/lint/literal_as_condition.rb', line 71 def (node) format(MSG, literal: node.source) end |
#on_case(case_node) ⇒ Object
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# File 'lib/rubocop/cop/lint/literal_as_condition.rb', line 53 def on_case(case_node) if case_node.condition check_case(case_node) else case_node.each_when do |when_node| next unless when_node.conditions.all?(&:literal?) add_offense(when_node) end end end |
#on_if(node) ⇒ Object
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# File 'lib/rubocop/cop/lint/literal_as_condition.rb', line 35 def on_if(node) check_for_literal(node) end |
#on_send(node) ⇒ Object
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# File 'lib/rubocop/cop/lint/literal_as_condition.rb', line 65 def on_send(node) return unless node.negation_method? check_for_literal(node) end |
#on_until(node) ⇒ Object Also known as: on_until_post
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# File 'lib/rubocop/cop/lint/literal_as_condition.rb', line 46 def on_until(node) return if condition(node).false_type? check_for_literal(node) end |
#on_while(node) ⇒ Object Also known as: on_while_post
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# File 'lib/rubocop/cop/lint/literal_as_condition.rb', line 39 def on_while(node) return if condition(node).true_type? check_for_literal(node) end |