Ruby ErrorHighlight.spot用法及代码示例

spot(...)

识别似乎与给定错误相关的代码片段

参数：

node: RubyVM::AbstractSyntaxTree::Node (script_lines should be enabled)
point_type: :name | :args
name: The name associated with the NameError/NoMethodError

返回：

{
  first_lineno: Integer,
  first_column: Integer,
  last_lineno: Integer,
  last_column: Integer,
  snippet: String,
} | nil