class Prism::PinnedVariableNode

表示在模式匹配表达式中使用 `^` 运算符来固定变量。

foo in ^bar
       ^^^^

属性

variable [R]

公共类方法

new (source, node_id, location, flags, variable, operator_loc)

源代码

# File lib/prism/node.rb, line 14512
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

初始化一个新的 PinnedVariableNode 节点。

type ()

源代码

# File lib/prism/node.rb, line 14586
def self.type
  :pinned_variable_node
end

返回此节点类型的符号表示形式。请参阅 `Node::type`。

公共实例方法

=== (other)

源代码

# File lib/prism/node.rb, line 14592
def ===(other)
  other.is_a?(PinnedVariableNode) &&
    (variable === other.variable) &&
    (operator_loc.nil? == other.operator_loc.nil?)
end

为节点实现 case-equality。这实际上是 ==，但不比较位置的值。仅检查是否存在位置。

accept (visitor)

源代码

# File lib/prism/node.rb, line 14522
def accept(visitor)
  visitor.visit_pinned_variable_node(self)
end

def accept: (Visitor visitor) -> void

child_nodes ()

源代码

# File lib/prism/node.rb, line 14527
def child_nodes
  [variable]
end

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

也别名为: deconstruct

comment_targets ()

源代码

# File lib/prism/node.rb, line 14537
def comment_targets
  [variable, operator_loc] #: Array[Prism::node | Location]
end

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

compact_child_nodes ()

源代码

# File lib/prism/node.rb, line 14532
def compact_child_nodes
  [variable]
end

def compact_child_nodes: () -> Array

copy (node_id: self.node_id, location: self.location, flags: self.flags, variable: self.variable, operator_loc: self.operator_loc)

源代码

# File lib/prism/node.rb, line 14542
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[nil | Node]

别名为: child_nodes

deconstruct_keys (keys)

源代码

# File lib/prism/node.rb, line 14550
def deconstruct_keys(keys)
  { node_id: node_id, location: location, variable: variable, operator_loc: operator_loc }
end

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

inspect ()

源代码

# File lib/prism/node.rb, line 14576
def inspect
  InspectVisitor.compose(self)
end

def inspect -> String

operator ()

源代码

# File lib/prism/node.rb, line 14571
def operator
  operator_loc.slice
end

def operator: () -> String

operator_loc ()

源代码

# File lib/prism/node.rb, line 14558
def operator_loc
  location = @operator_loc
  return location if location.is_a?(Location)
  @operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

attr_reader operator_loc: Location

save_operator_loc (repository)

源代码

# File lib/prism/node.rb, line 14566
def save_operator_loc(repository)
  repository.enter(node_id, :operator_loc)
end

使用给定的已保存源保存 operator_loc 位置，以便稍后可以检索它。

type ()

源代码

# File lib/prism/node.rb, line 14581
def type
  :pinned_variable_node
end

返回此节点类型的符号表示形式。请参阅 `Node#type`。