class Prism::NumberedReferenceReadNode

Represents reading a numbered reference to a capture in the previous match.

$1
^^

Attributes

number[R]

The (1-indexed, from the left) number of the capture group. Numbered references that are too large result in this value being ‘0`.

$1          # number `1`

$5432       # number `5432`

$4294967296 # number `0`

Public Class Methods

new(source, node_id, location, flags, number) click to toggle source

Initialize a new NumberedReferenceReadNode node.

# File lib/prism/node.rb, line 12123
def initialize(source, node_id, location, flags, number)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @number = number
end

type() click to toggle source

Return a symbol representation of this node type. See ‘Node::type`.

# File lib/prism/node.rb, line 12183
def self.type
  :numbered_reference_read_node
end

Public Instance Methods

===(other) click to toggle source

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 12189
def ===(other)
  other.is_a?(NumberedReferenceReadNode) &&
    (number === other.number)
end

accept(visitor) click to toggle source

def accept: (Visitor visitor) -> void

# File lib/prism/node.rb, line 12132
def accept(visitor)
  visitor.visit_numbered_reference_read_node(self)
end

child_nodes() click to toggle source

def child_nodes: () -> Array[nil | Node]

# File lib/prism/node.rb, line 12137
def child_nodes
  []
end

Also aliased as: deconstruct

comment_targets() click to toggle source

def comment_targets: () -> Array[Node | Location]

# File lib/prism/node.rb, line 12147
def comment_targets
  [] #: Array[Prism::node | Location]
end

compact_child_nodes() click to toggle source

def compact_child_nodes: () -> Array

# File lib/prism/node.rb, line 12142
def compact_child_nodes
  []
end

copy(node_id: self.node_id, location: self.location, flags: self.flags, number: self.number) click to toggle source

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?number: Integer) -> NumberedReferenceReadNode

# File lib/prism/node.rb, line 12152
def copy(node_id: self.node_id, location: self.location, flags: self.flags, number: self.number)
  NumberedReferenceReadNode.new(source, node_id, location, flags, number)
end

deconstruct()

def deconstruct: () -> Array[nil | Node]

Alias for: child_nodes

deconstruct_keys(keys) click to toggle source

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, number: Integer }

# File lib/prism/node.rb, line 12160
def deconstruct_keys(keys)
  { node_id: node_id, location: location, number: number }
end

inspect() click to toggle source

def inspect -> String

# File lib/prism/node.rb, line 12173
def inspect
  InspectVisitor.compose(self)
end

type() click to toggle source

Return a symbol representation of this node type. See ‘Node#type`.

# File lib/prism/node.rb, line 12178
def type
  :numbered_reference_read_node
end