Class: RuboCop::Cop::Style::Semicolon
- Includes:
- RangeHelp
- Defined in:
- lib/rubocop/cop/style/semicolon.rb
Overview
This cop checks for multiple expressions placed on the same line. It also checks for lines terminated with a semicolon.
Constant Summary collapse
- MSG =
'Do not use semicolons to terminate expressions.'
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
#autocorrect(range) ⇒ Object
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# File 'lib/rubocop/cop/style/semicolon.rb', line 58 def autocorrect(range) return unless range ->(corrector) { corrector.remove(range) } end |
#investigate(processed_source) ⇒ Object
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# File 'lib/rubocop/cop/style/semicolon.rb', line 23 def investigate(processed_source) return if processed_source.blank? @processed_source = processed_source check_for_line_terminator_or_opener end |
#on_begin(node) ⇒ Object
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# File 'lib/rubocop/cop/style/semicolon.rb', line 31 def on_begin(node) return if cop_config['AllowAsExpressionSeparator'] exprs = node.children return if exprs.size < 2 # create a map matching lines to the number of expressions on them exprs_lines = exprs.map { |e| e.source_range.line } lines = exprs_lines.group_by { |i| i } lines.each do |line, expr_on_line| # Every line with more than one expression on it is a # potential offense next unless expr_on_line.size > 1 # TODO: Find the correct position of the semicolon. We don't know # if the first semicolon on the line is a separator of # expressions. It's just a guess. column = @processed_source[line - 1].index(';') next unless column convention_on(line, column, false) end end |