class Prism::NumberedReferenceReadNode

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

$1
^^

Public Class Methods

new (source, node_id, location, flags, number)

Source

# File lib/prism/node.rb, line 18922
def initialize(source, node_id, location, flags, number)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @number = number
end

Initialize a new NumberedReferenceReadNode node.

Public Instance Methods

number → Integer

Source

# File lib/prism/node.rb, line 19007
def number
  @number
end

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`

Node Interface

Public Class Methods

type ()

Source

# File lib/prism/node.rb, line 18987
def self.type
  :numbered_reference_read_node
end

See Node.type.

Public Instance Methods

accept (visitor)

Source

# File lib/prism/node.rb, line 18942
def accept(visitor)
  visitor.visit_numbered_reference_read_node(self)
end

See Node.accept.

child_nodes ()

Source

# File lib/prism/node.rb, line 18947
def child_nodes
  []
end

See Node.child_nodes.

Also aliased as: deconstruct

comment_targets ()

Source

# File lib/prism/node.rb, line 18963
def comment_targets
  [] #: Array[Prism::node | Location]
end

See Node.comment_targets.

compact_child_nodes ()

Source

# File lib/prism/node.rb, line 18958
def compact_child_nodes
  []
end

See Node.compact_child_nodes.

copy(**fields) → NumberedReferenceReadNode

Source

# File lib/prism/node.rb, line 18971
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

Creates a copy of self with the given fields, using self as the template.

deconstruct ()

Alias for: child_nodes

each_child_node ()

Source

# File lib/prism/node.rb, line 18952
def each_child_node
  return to_enum(:each_child_node) unless block_given?

end

See Node.each_child_node.

type ()

Source

# File lib/prism/node.rb, line 18982
def type
  :numbered_reference_read_node
end

See Node#type.

class Prism::NumberedReferenceReadNode

Public Class Methods

Public Instance Methods

Node Interface

Public Class Methods

Public Instance Methods

Repository

Slicing