class Prism::CallOrWriteNode

表示在调用中使用 ‘||=` 操作符。

foo.bar ||= value
^^^^^^^^^^^^^^^^^

属性

read_name [R]

表示被调用方法的名称。

foo.bar ||= value # read_name `:bar`
    ^^^

receiver [R]

方法被调用的对象。这可以是 ‘nil` 或任何[非空表达式](github.com/ruby/prism/blob/main/docs/parsing_rules.md#non-void-expression)。

foo.bar ||= value
^^^

value [R]

表示被赋值的值。

foo.bar ||= value
            ^^^^^

write_name [R]

表示被写入的方法的名称。

foo.bar ||= value # write_name `:bar=`
    ^^^

公共类方法

new (source, node_id, location, flags, receiver, call_operator_loc, message_loc, read_name, write_name, operator_loc, value)

源

# File lib/prism/node.rb, line 3053
def initialize(source, node_id, location, flags, receiver, call_operator_loc, message_loc, read_name, write_name, operator_loc, value)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @receiver = receiver
  @call_operator_loc = call_operator_loc
  @message_loc = message_loc
  @read_name = read_name
  @write_name = write_name
  @operator_loc = operator_loc
  @value = value
end

初始化一个新的 CallOrWriteNode 节点。

type ()

源

# File lib/prism/node.rb, line 3233
def self.type
  :call_or_write_node
end

返回此节点类型的符号表示。请参阅 ‘Node::type`。

公共实例方法

=== (other)

源

# File lib/prism/node.rb, line 3239
def ===(other)
  other.is_a?(CallOrWriteNode) &&
    (flags === other.flags) &&
    (receiver === other.receiver) &&
    (call_operator_loc.nil? == other.call_operator_loc.nil?) &&
    (message_loc.nil? == other.message_loc.nil?) &&
    (read_name === other.read_name) &&
    (write_name === other.write_name) &&
    (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。位置仅检查是否存在。

accept (visitor)

源

# File lib/prism/node.rb, line 3068
def accept(visitor)
  visitor.visit_call_or_write_node(self)
end

def accept: (Visitor visitor) -> void

attribute_write? ()

源

# File lib/prism/node.rb, line 3114
def attribute_write?
  flags.anybits?(CallNodeFlags::ATTRIBUTE_WRITE)
end

def attribute_write?: () -> bool

call_operator ()

源

# File lib/prism/node.rb, line 3208
def call_operator
  call_operator_loc&.slice
end

def call_operator: () -> String?

call_operator_loc ()

源

# File lib/prism/node.rb, line 3133
def call_operator_loc
  location = @call_operator_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @call_operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end

表示调用操作符的位置。

foo.bar ||= value
   ^

child_nodes ()

源

# File lib/prism/node.rb, line 3073
def child_nodes
  [receiver, value]
end

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

也别名为: deconstruct

comment_targets ()

源

# File lib/prism/node.rb, line 3086
def comment_targets
  [*receiver, *call_operator_loc, *message_loc, operator_loc, value] #: Array[Prism::node | Location]
end

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

compact_child_nodes ()

源

# File lib/prism/node.rb, line 3078
def compact_child_nodes
  compact = [] #: Array[Prism::node]
  compact << receiver if receiver
  compact << value
  compact
end

def compact_child_nodes: () -> Array

copy (node_id: self.node_id, location: self.location, flags: self.flags, receiver: self.receiver, call_operator_loc: self.call_operator_loc, message_loc: self.message_loc, read_name: self.read_name, write_name: self.write_name, operator_loc: self.operator_loc, value: self.value)

源

# File lib/prism/node.rb, line 3091
def copy(node_id: self.node_id, location: self.location, flags: self.flags, receiver: self.receiver, call_operator_loc: self.call_operator_loc, message_loc: self.message_loc, read_name: self.read_name, write_name: self.write_name, operator_loc: self.operator_loc, value: self.value)
  CallOrWriteNode.new(source, node_id, location, flags, receiver, call_operator_loc, message_loc, read_name, write_name, operator_loc, value)
end

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?receiver: Prism::node?, ?call_operator_loc: Location?, ?message_loc: Location?, ?read_name: Symbol, ?write_name: Symbol, ?operator_loc: Location, ?value: Prism::node) -> CallOrWriteNode

deconstruct ()

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

别名为: child_nodes

deconstruct_keys (keys)

源

# File lib/prism/node.rb, line 3099
def deconstruct_keys(keys)
  { node_id: node_id, location: location, receiver: receiver, call_operator_loc: call_operator_loc, message_loc: message_loc, read_name: read_name, write_name: write_name, operator_loc: operator_loc, value: value }
end

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, receiver: Prism::node?, call_operator_loc: Location?, message_loc: Location?, read_name: Symbol, write_name: Symbol, operator_loc: Location, value: Prism::node }

ignore_visibility? ()

源

# File lib/prism/node.rb, line 3119
def ignore_visibility?
  flags.anybits?(CallNodeFlags::IGNORE_VISIBILITY)
end

def ignore_visibility?: () -> bool

inspect ()

源

# File lib/prism/node.rb, line 3223
def inspect
  InspectVisitor.compose(self)
end

def inspect -> String

message ()

源

# File lib/prism/node.rb, line 3213
def message
  message_loc&.slice
end

def message: () -> String?

message_loc ()

源

# File lib/prism/node.rb, line 3155
def message_loc
  location = @message_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @message_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end

表示消息的位置。

foo.bar ||= value
    ^^^

operator ()

源

# File lib/prism/node.rb, line 3218
def operator
  operator_loc.slice
end

def operator: () -> String

operator_loc ()

源

# File lib/prism/node.rb, line 3189
def operator_loc
  location = @operator_loc
  return location if location.is_a?(Location)
  @operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

表示操作符的位置。

foo.bar ||= value
        ^^^

safe_navigation? ()

源

# File lib/prism/node.rb, line 3104
def safe_navigation?
  flags.anybits?(CallNodeFlags::SAFE_NAVIGATION)
end

def safe_navigation?: () -> bool

save_call_operator_loc (repository)

源

# File lib/prism/node.rb, line 3147
def save_call_operator_loc(repository)
  repository.enter(node_id, :call_operator_loc) unless @call_operator_loc.nil?
end

使用给定的已保存源保存 call_operator_loc 位置，以便稍后检索。

save_message_loc (repository)

源

# File lib/prism/node.rb, line 3169
def save_message_loc(repository)
  repository.enter(node_id, :message_loc) unless @message_loc.nil?
end

使用给定的已保存源保存 message_loc 位置，以便稍后检索。

save_operator_loc (repository)

源

# File lib/prism/node.rb, line 3197
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，以便稍后检索。

type ()

源

# File lib/prism/node.rb, line 3228
def type
  :call_or_write_node
end

返回此节点类型的符号表示。请参阅 ‘Node#type`。

variable_call? ()

源

# File lib/prism/node.rb, line 3109
def variable_call?
  flags.anybits?(CallNodeFlags::VARIABLE_CALL)
end

def variable_call?: () -> bool