Class: Transpec::Syntax::OperatorMatcher

Inherits:
Transpec::Syntax show all
Includes:
AST::Sexp, Mixin::Send, Util
Defined in:
lib/transpec/syntax/operator_matcher.rb

Constant Summary collapse

OPERATORS = 
[:==, :===, :<, :<=, :>, :>=, :=~].freeze

Constants included from Util

Util::LITERAL_TYPES, Util::WHITESPACES

Instance Attribute Summary

Attributes inherited from Transpec::Syntax

#node, #report, #runtime_data, #source_rewriter

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Mixin::Send

#arg_node, #arg_nodes, #arg_range, #args_range, included, #method_name, #parentheses_range, #range_after_arg, #range_in_between_receiver_and_selector, #range_in_between_selector_and_arg, #receiver_node, #receiver_range, #selector_range

Methods included from Util

const_name, contain_here_document?, expand_range_to_adjacent_whitespaces, find_consecutive_whitespace_position, here_document?, in_explicit_parentheses?, indentation_of_line, literal?, proc_literal?, taking_block?

Methods inherited from Transpec::Syntax

conversion_target_node?, #expression_range, #initialize, #parent_node, snake_case_name, #static_context_inspector, target_node?

Methods included from Collection

#all_syntaxes, #inherited, #require_all, #standalone_syntaxes

Methods included from DynamicAnalysis

#register_request_for_dynamic_analysis

Constructor Details

This class inherits a constructor from Transpec::Syntax

Class Method Details

.standalone? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/transpec/syntax/operator_matcher.rb', line 15

def self.standalone?
  false
end

.target_method?(receiver_node, method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/transpec/syntax/operator_matcher.rb', line 19

def self.target_method?(receiver_node, method_name)
  !receiver_node.nil? && OPERATORS.include?(method_name)
end

Instance Method Details

#convert_operator!(parenthesize_arg = true) ⇒ Object 



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# File 'lib/transpec/syntax/operator_matcher.rb', line 29

def convert_operator!(parenthesize_arg = true)
  case method_name
  when :==
    convert_to_eq!(parenthesize_arg)
  when :===, :<, :<=, :>, :>=
    convert_to_be_operator!
  when :=~
    convert_to_match!(parenthesize_arg)
  end
end

#parenthesize!(always = true) ⇒ Object 



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# File 'lib/transpec/syntax/operator_matcher.rb', line 40

def parenthesize!(always = true)
  return if contain_here_document?(arg_node)

  left_of_arg_source = range_in_between_selector_and_arg.source

  if left_of_arg_source.match(/\A *\Z/)
    parenthesize_single_line!(always)
  elsif left_of_arg_source.match(/\n|\r/)
    parenthesize_multi_line!(Regexp.last_match(0))
  end
end