class Prism::RescueModifierNode
表示一个带有 rescue 修饰的表达式。
foo rescue nil ^^^^^^^^^^^^^^
属性
attr_reader expression: Prism::node
attr_reader rescue_expression: Prism::node
Public Class Methods
Source
# File lib/prism/node.rb, line 15823 def initialize(source, node_id, location, flags, expression, keyword_loc, rescue_expression) @source = source @node_id = node_id @location = location @flags = flags @expression = expression @keyword_loc = keyword_loc @rescue_expression = rescue_expression end
初始化一个新的 RescueModifierNode 节点。
Source
# File lib/prism/node.rb, line 15901 def self.type :rescue_modifier_node end
返回此节点类型的符号表示。参见 Node::type。
Public Instance Methods
Source
# File lib/prism/node.rb, line 15907 def ===(other) other.is_a?(RescueModifierNode) && (expression === other.expression) && (keyword_loc.nil? == other.keyword_loc.nil?) && (rescue_expression === other.rescue_expression) end
实现节点的相等性判断。这实际上是 ==,但不比较 location 的值。仅检查 location 是否存在。
Source
# File lib/prism/node.rb, line 15834 def accept(visitor) visitor.visit_rescue_modifier_node(self) end
def accept: (Visitor visitor) -> void
Source
# File lib/prism/node.rb, line 15839 def child_nodes [expression, rescue_expression] end
def child_nodes: () -> Array
Source
# File lib/prism/node.rb, line 15849 def comment_targets [expression, keyword_loc, rescue_expression] #: Array[Prism::node | Location] end
def comment_targets: () -> Array[Node | Location]
Source
# File lib/prism/node.rb, line 15844 def compact_child_nodes [expression, rescue_expression] end
def compact_child_nodes: () -> Array
Source
# File lib/prism/node.rb, line 15854 def copy(node_id: self.node_id, location: self.location, flags: self.flags, expression: self.expression, keyword_loc: self.keyword_loc, rescue_expression: self.rescue_expression) RescueModifierNode.new(source, node_id, location, flags, expression, keyword_loc, rescue_expression) end
def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?expression: Prism::node, ?keyword_loc: Location, ?rescue_expression: Prism::node) -> RescueModifierNode
Source
# File lib/prism/node.rb, line 15862 def deconstruct_keys(keys) { node_id: node_id, location: location, expression: expression, keyword_loc: keyword_loc, rescue_expression: rescue_expression } end
def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, expression: Prism::node, keyword_loc: Location, rescue_expression: Prism::node }
Source
# File lib/prism/node.rb, line 15891 def inspect InspectVisitor.compose(self) end
def inspect -> String
Source
# File lib/prism/node.rb, line 15886 def keyword keyword_loc.slice end
def keyword: () -> String
Source
# File lib/prism/node.rb, line 15870 def keyword_loc location = @keyword_loc return location if location.is_a?(Location) @keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF) end
attr_reader keyword_loc: Location
Source
# File lib/prism/node.rb, line 15878 def save_keyword_loc(repository) repository.enter(node_id, :keyword_loc) end
使用给定的已保存源保存 keyword_loc 位置,以便稍后检索。