class Prism::BackReferenceReadNode
Represents reading a reference to a field in the previous match.
$' ^^
Attributes
The name of the back-reference variable, including the leading ‘$`.
$& # name `:$&` $+ # name `:$+`
Public Class Methods
Initialize a new BackReferenceReadNode
node.
# File lib/prism/node.rb, line 1209 def initialize(source, node_id, location, flags, name) @source = source @node_id = node_id @location = location @flags = flags @name = name end
Return a symbol representation of this node type. See ‘Node::type`.
# File lib/prism/node.rb, line 1268 def self.type :back_reference_read_node end
Public Instance Methods
Implements case-equality for the node. This is effectively == but without comparing the value of locations. Locations are checked only for presence.
# File lib/prism/node.rb, line 1274 def ===(other) other.is_a?(BackReferenceReadNode) && (name === other.name) end
def accept: (Visitor
visitor) -> void
# File lib/prism/node.rb, line 1218 def accept(visitor) visitor.visit_back_reference_read_node(self) end
def child_nodes
: () -> Array[nil | Node]
# File lib/prism/node.rb, line 1223 def child_nodes [] end
def comment_targets
: () -> Array[Node | Location]
# File lib/prism/node.rb, line 1233 def comment_targets [] #: Array[Prism::node | Location] end
def compact_child_nodes
: () -> Array
# File lib/prism/node.rb, line 1228 def compact_child_nodes [] end
def copy: (?node_id: Integer
, ?location: Location
, ?flags: Integer
, ?name: Symbol
) -> BackReferenceReadNode
# File lib/prism/node.rb, line 1238 def copy(node_id: self.node_id, location: self.location, flags: self.flags, name: self.name) BackReferenceReadNode.new(source, node_id, location, flags, name) end
def deconstruct_keys
: (Array keys) -> { node_id: Integer
, location: Location
, name: Symbol
}
# File lib/prism/node.rb, line 1246 def deconstruct_keys(keys) { node_id: node_id, location: location, name: name } end
def inspect -> String
# File lib/prism/node.rb, line 1258 def inspect InspectVisitor.compose(self) end
Return a symbol representation of this node type. See ‘Node#type`.
# File lib/prism/node.rb, line 1263 def type :back_reference_read_node end