class Prism::ElseNode
表示 `case`、`if` 或 `unless` 语句中的 `else` 子句。
if a then b else c end ^^^^^^^^^^
属性
attr_reader statements: StatementsNode
?
公共类方法
源代码
# File lib/prism/node.rb, line 6296 def initialize(source, node_id, location, flags, else_keyword_loc, statements, end_keyword_loc) @source = source @node_id = node_id @location = location @flags = flags @else_keyword_loc = else_keyword_loc @statements = statements @end_keyword_loc = end_keyword_loc end
初始化一个新的 ElseNode
节点。
源代码
# File lib/prism/node.rb, line 6397 def self.type :else_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
源代码
# File lib/prism/node.rb, line 6403 def ===(other) other.is_a?(ElseNode) && (else_keyword_loc.nil? == other.else_keyword_loc.nil?) && (statements === other.statements) && (end_keyword_loc.nil? == other.end_keyword_loc.nil?) end
为节点实现 case-equality(大小写相等)。这实际上是 ==,但不比较位置的值。位置仅检查是否存在。
源代码
# File lib/prism/node.rb, line 6307 def accept(visitor) visitor.visit_else_node(self) end
def accept: (Visitor
visitor) -> void
源代码
# File lib/prism/node.rb, line 6312 def child_nodes [statements] end
def child_nodes
: () -> Array[nil | Node]
源代码
# File lib/prism/node.rb, line 6324 def comment_targets [else_keyword_loc, *statements, *end_keyword_loc] #: Array[Prism::node | Location] end
def comment_targets
: () -> Array[Node | Location]
源代码
# File lib/prism/node.rb, line 6317 def compact_child_nodes compact = [] #: Array[Prism::node] compact << statements if statements compact end
def compact_child_nodes
: () -> Array
源代码
# File lib/prism/node.rb, line 6329 def copy(node_id: self.node_id, location: self.location, flags: self.flags, else_keyword_loc: self.else_keyword_loc, statements: self.statements, end_keyword_loc: self.end_keyword_loc) ElseNode.new(source, node_id, location, flags, else_keyword_loc, statements, end_keyword_loc) end
def copy: (?node_id: Integer
, ?location: Location
, ?flags: Integer
, ?else_keyword_loc: Location
, ?statements: StatementsNode
?, ?end_keyword_loc: Location
?) -> ElseNode
源代码
# File lib/prism/node.rb, line 6337 def deconstruct_keys(keys) { node_id: node_id, location: location, else_keyword_loc: else_keyword_loc, statements: statements, end_keyword_loc: end_keyword_loc } end
def deconstruct_keys
: (Array keys) -> { node_id: Integer
, location: Location
, else_keyword_loc
: Location
, statements: StatementsNode
?, end_keyword_loc
: Location
? }
源代码
# File lib/prism/node.rb, line 6377 def else_keyword else_keyword_loc.slice end
def else_keyword
: () -> String
源代码
# File lib/prism/node.rb, line 6342 def else_keyword_loc location = @else_keyword_loc return location if location.is_a?(Location) @else_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF) end
attr_reader else_keyword_loc
: Location
源代码
# File lib/prism/node.rb, line 6382 def end_keyword end_keyword_loc&.slice end
def end_keyword
: () -> String
?
源代码
# File lib/prism/node.rb, line 6358 def end_keyword_loc location = @end_keyword_loc case location when nil nil when Location location else @end_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF) end end
attr_reader end_keyword_loc
: Location
?
源代码
# File lib/prism/node.rb, line 6387 def inspect InspectVisitor.compose(self) end
def inspect -> String
源代码
# File lib/prism/node.rb, line 6350 def save_else_keyword_loc(repository) repository.enter(node_id, :else_keyword_loc) end
使用给定的已保存源代码保存 else_keyword_loc
位置,以便稍后检索。
源代码
# File lib/prism/node.rb, line 6372 def save_end_keyword_loc(repository) repository.enter(node_id, :end_keyword_loc) unless @end_keyword_loc.nil? end
使用给定的已保存源代码保存 end_keyword_loc
位置,以便稍后检索。
源代码
# File lib/prism/node.rb, line 6392 def type :else_node end
返回此节点类型的符号表示。请参阅 “Node#type”。