Class: RuboCop::AST::RegexpNode

Inherits:
Node
  • Object
show all
Defined in:
lib/rubocop/ast/node/regexp_node.rb

Overview

A node extension for ‘regexp` nodes. This will be used in place of a plain node when the builder constructs the AST, making its methods available to all `regexp` nodes within RuboCop.

Constant Summary collapse

OPTIONS = 
{
  x: Regexp::EXTENDED,
  i: Regexp::IGNORECASE,
  m: Regexp::MULTILINE,
  n: Regexp::NOENCODING
}.freeze

Constants inherited from Node

Node::BASIC_LITERALS, Node::COMPARISON_OPERATORS, Node::COMPOSITE_LITERALS, Node::FALSEY_LITERALS, Node::IMMUTABLE_LITERALS, Node::KEYWORDS, Node::LITERALS, Node::MUTABLE_LITERALS, Node::OPERATOR_KEYWORDS, Node::REFERENCES, Node::SPECIAL_KEYWORDS, Node::TRUTHY_LITERALS, Node::VARIABLES

Instance Method Summary collapse

Methods inherited from Node

#ancestors, #argument?, #asgn_method_call?, #basic_literal?, #binary_operation?, #chained?, #child_nodes, #complete!, #complete?, #const_name, #defined_module, #defined_module_name, #descendants, #each_ancestor, #each_child_node, #each_descendant, #each_node, #falsey_literal?, #immutable_literal?, #initialize, #keyword?, #keyword_bang?, #keyword_not?, #literal?, #multiline?, #mutable_literal?, #numeric_type?, #operator_keyword?, #parent, #parent_module_name, #pure?, #receiver, #reference?, #sibling_index, #single_line?, #source, #source_range, #special_keyword?, #truthy_literal?, #unary_operation?, #updated, #value_used?, #variable?

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 Sexp

#s

Constructor Details

This class inherits a constructor from RuboCop::AST::Node

Instance Method Details

#content ⇒ String

Returns a string of regexp content.

Returns:

  • (String) —

    a string of regexp content



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# File 'lib/rubocop/ast/node/regexp_node.rb', line 29

def content
  str = children.first
  str.str_content || ''
end

#regopt ⇒ RuboCop::AST::Node

Returns a regopt node.

Returns:



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# File 'lib/rubocop/ast/node/regexp_node.rb', line 23

def regopt
  first, second = *self
  first.regopt_type? ? first : second
end

#to_regexp ⇒ Regexp

Returns a regexp of this node.

Returns:

  • (Regexp) —

    a regexp of this node



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# File 'lib/rubocop/ast/node/regexp_node.rb', line 17

def to_regexp
  option = regopt.children.map { |opt| OPTIONS[opt] }.inject(:|)
  Regexp.new(content, option)
end