class SyntaxTree::Field

def ===(other)
  other.is_a?(Field) && parent === other.parent &&
    operator === other.operator && name === other.name
end

def accept(visitor)
  visitor.visit_field(self)
end

def child_nodes
  operator = self.operator
  [parent, (operator if operator != :"::"), name]
end

def copy(parent: nil, operator: nil, name: nil, location: nil)
  node =
    Field.new(
      parent: parent || self.parent,
      operator: operator || self.operator,
      name: name || self.name,
      location: location || self.location
    )
  node.comments.concat(comments.map(&:copy))
  node
end

def deconstruct_keys(_keys)
  {
    parent: parent,
    operator: operator,
    name: name,
    location: location,
    comments: comments
  }
end

def format(q)
  q.group do
    q.format(parent)
    q.format(CallOperatorFormatter.new(operator), stackable: false)
    q.format(name)
  end
end

def initialize(parent:, operator:, name:, location:)
  @parent = parent
  @operator = operator
  @name = name
  @location = location
  @comments = []
end