class SyntaxTree::IfOp

def ===(other)
  other.is_a?(IfOp) && predicate === other.predicate &&
    truthy === other.truthy && falsy === other.falsy
end

def accept: (Visitor visitor) -> untyped

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

def child_nodes
  [predicate, truthy, falsy]
end

def copy(predicate: nil, truthy: nil, falsy: nil, location: nil)
  node =
    IfOp.new(
      predicate: predicate || self.predicate,
      truthy: truthy || self.truthy,
      falsy: falsy || self.falsy,
      location: location || self.location
    )
  node.comments.concat(comments.map(&:copy))
  node
end

def deconstruct_keys(_keys)
  {
    predicate: predicate,
    truthy: truthy,
    falsy: falsy,
    location: location,
    comments: comments
  }
end

def format(q)
  force_flat = [
    AliasNode,
    Assign,
    Break,
    Command,
    CommandCall,
    Heredoc,
    IfNode,
    IfOp,
    Lambda,
    MAssign,
    Next,
    OpAssign,
    RescueMod,
    ReturnNode,
    Super,
    Undef,
    UnlessNode,
    VoidStmt,
    YieldNode,
    ZSuper
  ]
  if q.parent.is_a?(Paren) || force_flat.include?(truthy.class) ||
       force_flat.include?(falsy.class)
    q.group { format_flat(q) }
    return
  end
  q.group { q.if_break { format_break(q) }.if_flat { format_flat(q) } }
end

def format_break(q)
  Parentheses.break(q) do
    q.text("if ")
    q.nest("if ".length) { q.format(predicate) }
    q.indent do
      q.breakable_space
      q.format(truthy)
    end
    q.breakable_space
    q.text("else")
    q.indent do
      q.breakable_space
      q.format(falsy)
    end
    q.breakable_space
    q.text("end")
  end
end

def format_flat(q)
  q.format(predicate)
  q.text(" ?")
  q.indent do
    q.breakable_space
    q.format(truthy)
    q.text(" :")
    q.breakable_space
    q.format(falsy)
  end
end

def initialize: (predicate: (SyntaxTree::CallNode | SyntaxTree::ARef), truthy: SyntaxTree::StringLiteral, falsy: (SyntaxTree::CallNode | SyntaxTree::StringLiteral), location: SyntaxTree::Location) -> void

def initialize(predicate:, truthy:, falsy:, location:)
  @predicate = predicate
  @truthy = truthy
  @falsy = falsy
  @location = location
  @comments = []
end