class Prism::GlobalVariableOrWriteNode
表示使用 `||=` 运算符为全局变量赋值。
$target ||= value ^^^^^^^^^^^^^^^^^
属性
attr_reader value: Prism::node
公共类方法
源码
# File lib/prism/node.rb, line 7780 def initialize(source, node_id, location, flags, name, name_loc, operator_loc, value) @source = source @node_id = node_id @location = location @flags = flags @name = name @name_loc = name_loc @operator_loc = operator_loc @value = value end
初始化一个新的 GlobalVariableOrWriteNode
节点。
源码
# File lib/prism/node.rb, line 7872 def self.type :global_variable_or_write_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
源码
# File lib/prism/node.rb, line 7878 def ===(other) other.is_a?(GlobalVariableOrWriteNode) && (name === other.name) && (name_loc.nil? == other.name_loc.nil?) && (operator_loc.nil? == other.operator_loc.nil?) && (value === other.value) end
为节点实现 case-equality。这实际上是 ==,但不比较位置的值。仅检查位置是否存在。
源码
# File lib/prism/node.rb, line 7792 def accept(visitor) visitor.visit_global_variable_or_write_node(self) end
def accept: (Visitor
visitor) -> void
源码
# File lib/prism/node.rb, line 7797 def child_nodes [value] end
def child_nodes
: () -> Array[nil | Node]
源码
# File lib/prism/node.rb, line 7807 def comment_targets [name_loc, operator_loc, value] #: Array[Prism::node | Location] end
def comment_targets
: () -> Array[Node | Location]
源码
# File lib/prism/node.rb, line 7802 def compact_child_nodes [value] end
def compact_child_nodes
: () -> Array
源码
# File lib/prism/node.rb, line 7812 def copy(node_id: self.node_id, location: self.location, flags: self.flags, name: self.name, name_loc: self.name_loc, operator_loc: self.operator_loc, value: self.value) GlobalVariableOrWriteNode.new(source, node_id, location, flags, name, name_loc, operator_loc, value) end
def copy: (?node_id: Integer
, ?location: Location
, ?flags: Integer
, ?name: Symbol
, ?name_loc: Location
, ?operator_loc: Location
, ?value: Prism::node) -> GlobalVariableOrWriteNode
源码
# File lib/prism/node.rb, line 7820 def deconstruct_keys(keys) { node_id: node_id, location: location, name: name, name_loc: name_loc, operator_loc: operator_loc, value: value } end
def deconstruct_keys
: (Array keys) -> { node_id: Integer
, location: Location
, name: Symbol
, name_loc
: Location
, operator_loc
: Location
, value: Prism::node }
源码
# File lib/prism/node.rb, line 7862 def inspect InspectVisitor.compose(self) end
def inspect -> String
源码
源码
# File lib/prism/node.rb, line 7857 def operator operator_loc.slice end
def operator: () -> String
源码
# File lib/prism/node.rb, line 7841 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
源码
# File lib/prism/node.rb, line 7836 def save_name_loc(repository) repository.enter(node_id, :name_loc) end
使用给定的已保存源保存 name_loc
位置,以便稍后可以检索它。
源码
# File lib/prism/node.rb, line 7849 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。
源码
# File lib/prism/node.rb, line 7867 def type :global_variable_or_write_node end
返回此节点类型的符号表示形式。请参阅 `Node#type`。