class Prism::PinnedVariableNode

Represents the use of the ^ operator for pinning a variable in a pattern matching expression.

foo in ^bar
       ^^^^

Attributes

variable[R]

The variable used in the pinned expression

foo in ^bar
        ^^^

Public Class Methods

new(source, node_id, location, flags, variable, operator_loc) click to toggle source

Initialize a new PinnedVariableNode node.

# File lib/prism/node.rb, line 15596
def initialize(source, node_id, location, flags, variable, operator_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @variable = variable
  @operator_loc = operator_loc
end

type() click to toggle source

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

# File lib/prism/node.rb, line 15683
def self.type
  :pinned_variable_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 15689
def ===(other)
  other.is_a?(PinnedVariableNode) &&
    (variable === other.variable) &&
    (operator_loc.nil? == other.operator_loc.nil?)
end

accept(visitor) click to toggle source

def accept: (Visitor visitor) -> void

# File lib/prism/node.rb, line 15606
def accept(visitor)
  visitor.visit_pinned_variable_node(self)
end

child_nodes() click to toggle source

def child_nodes: () -> Array

# File lib/prism/node.rb, line 15611
def child_nodes
  [variable]
end

Also aliased as: deconstruct

comment_targets() click to toggle source

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

# File lib/prism/node.rb, line 15628
def comment_targets
  [variable, operator_loc] #: Array[Prism::node | Location]
end

compact_child_nodes() click to toggle source

def compact_child_nodes: () -> Array

# File lib/prism/node.rb, line 15623
def compact_child_nodes
  [variable]
end

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

# File lib/prism/node.rb, line 15633
def copy(node_id: self.node_id, location: self.location, flags: self.flags, variable: self.variable, operator_loc: self.operator_loc)
  PinnedVariableNode.new(source, node_id, location, flags, variable, operator_loc)
end

deconstruct()

def deconstruct: () -> Array

Alias for: child_nodes

deconstruct_keys(keys) click to toggle source

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, variable: LocalVariableReadNode | InstanceVariableReadNode | ClassVariableReadNode | GlobalVariableReadNode | BackReferenceReadNode | NumberedReferenceReadNode | ItLocalVariableReadNode | MissingNode, operator_loc: Location }

# File lib/prism/node.rb, line 15641
def deconstruct_keys(keys)
  { node_id: node_id, location: location, variable: variable, operator_loc: operator_loc }
end

each_child_node() { |variable| ... } click to toggle source

def each_child_node: () { (Prism::node) -> void } -> void | () -> Enumerator

# File lib/prism/node.rb, line 15616
def each_child_node
  return to_enum(:each_child_node) unless block_given?

  yield variable
end

inspect() click to toggle source

def inspect -> String

# File lib/prism/node.rb, line 15673
def inspect
  InspectVisitor.compose(self)
end

operator() click to toggle source

def operator: () -> String

# File lib/prism/node.rb, line 15668
def operator
  operator_loc.slice
end

operator_loc() click to toggle source

The location of the ^ operator

foo in ^bar
       ^

# File lib/prism/node.rb, line 15655
def operator_loc
  location = @operator_loc
  return location if location.is_a?(Location)
  @operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

save_operator_loc(repository) click to toggle source

Save the operator_loc location using the given saved source so that it can be retrieved later.

# File lib/prism/node.rb, line 15663
def save_operator_loc(repository)
  repository.enter(node_id, :operator_loc)
end

type() click to toggle source

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

# File lib/prism/node.rb, line 15678
def type
  :pinned_variable_node
end