Class: RuboCop::Cop::Style::LineEndConcatenation

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
RangeHelp
Defined in:
lib/rubocop/cop/style/line_end_concatenation.rb

Overview

This cop checks for string literal concatenation at the end of a line.

Examples:


# bad
some_str = 'ala' +
           'bala'

some_str = 'ala' <<
           'bala'

# good
some_str = 'ala' \
           'bala'

Constant Summary collapse

MSG = 
'Use `\\` instead of `+` or `<<` to concatenate ' \
'those strings.'
CONCAT_TOKEN_TYPES = 
i[tPLUS tLSHFT].freeze
SIMPLE_STRING_TOKEN_TYPE = 
:tSTRING
COMPLEX_STRING_BEGIN_TOKEN = 
:tSTRING_BEG
COMPLEX_STRING_END_TOKEN = 
:tSTRING_END
HIGH_PRECEDENCE_OP_TOKEN_TYPES = 
i[tSTAR2 tPERCENT tDOT
tLBRACK2].freeze
QUOTE_DELIMITERS = 
%w[' "].freeze

Constants inherited from Base

Base::RESTRICT_ON_SEND

Constants included from Util

Util::LITERAL_REGEX

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Class Method Summary collapse

Instance Method Summary collapse

Methods included from AutoCorrector

support_autocorrect?

Methods inherited from Base

#add_global_offense, #add_offense, badge, #callbacks_needed, callbacks_needed, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, #cop_name, cop_name, department, documentation_url, exclude_from_registry, #excluded_file?, #external_dependency_checksum, inherited, #initialize, joining_forces, lint?, match?, #message, #offenses, #on_investigation_end, #on_other_file, #ready, #relevant_file?, support_autocorrect?, support_multiple_source?, #target_rails_version, #target_ruby_version

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #correctable?, #disable_uncorrectable?, #safe_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, indent, interpret_string_escapes, line_range, needs_escaping?, on_node, parentheses?, same_line?, to_string_literal, to_supported_styles, trim_string_interporation_escape_character

Methods included from PathUtil

absolute?, hidden_dir?, hidden_file?, hidden_file_in_not_hidden_dir?, match_path?, maybe_hidden_file?, relative_path, smart_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Base

Class Method Details

.autocorrect_incompatible_with ⇒ Object 



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# File 'lib/rubocop/cop/style/line_end_concatenation.rb', line 36

def self.autocorrect_incompatible_with
  [Style::RedundantInterpolation]
end

Instance Method Details

#on_new_investigation ⇒ Object 



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# File 'lib/rubocop/cop/style/line_end_concatenation.rb', line 40

def on_new_investigation
  processed_source.tokens.each_index do |index|
    check_token_set(index)
  end
end