class Solargraph::Pin::LocalVariable

def initialize source, node, namespace, ancestors
  super(source, node, namespace)
  @tree = []
  ancestors.each do |parent|
    if [:block, :def, :defs, :class, :module, :source].include? parent.type
      @tree.push parent
      break unless parent.type == :block
    end
  end
end

def visible_from? node
  parents = [node] + (source.tree_for(node) || [])
  parents.each do |p|
    return true if @tree[0] == p
    return false if [:def, :defs, :class, :module].include?(p.type)
  end
  false
end