Class: RuboCop::Cop::Lint::NumberConversion
- Defined in:
- lib/rubocop/cop/lint/number_conversion.rb
Overview
This cop warns the usage of unsafe number conversions. Unsafe number conversion can cause unexpected error if auto type conversion fails. Cop prefer parsing with number class instead.
Constant Summary collapse
- CONVERSION_METHOD_CLASS_MAPPING =
{ to_i: "#{Integer.name}(%<number_object>s, 10)", to_f: "#{Float.name}(%<number_object>s)", to_c: "#{Complex.name}(%<number_object>s)" }.freeze
- MSG =
'Replace unsafe number conversion with number '\ 'class parsing, instead of using '\ '%<number_object>s.%<to_method>s, use stricter '\ '%<corrected_method>s.'
Constants included from Util
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
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, #duplicate_location?, #excluded_file?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, non_rails, #parse, qualified_cop_name, #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?, #support_autocorrect?
Methods included from IgnoredNode
#ignore_node, #ignored_node?, #part_of_ignored_node?
Methods included from Util
begins_its_line?, comment_line?, 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
#on_send(node) ⇒ Object
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# File 'lib/rubocop/cop/lint/number_conversion.rb', line 42 def on_send(node) to_method(node) do |receiver, to_method| next if date_time_object?(receiver) = format( MSG, number_object: receiver.source, to_method: to_method, corrected_method: correct_method(node, receiver) ) add_offense(node, message: ) end end |