;;; -*- mode: Lisp; Syntax: Common-Lisp; -*-
;;;
;;; Copyright (c) 2009 by the authors.
;;;
;;; See LICENCE for details.

(in-package :hu.dwim.projectional-editor)

;;;;;;
;;; Projection

(def (projection e) recursive ()
  ((child :type projection)))

;;;;;;
;;; Construction

(def (function e) make-projection/recursive (projection)
  (make-projection 'recursive :child projection))

;;;;;;
;;; Construction

(def (macro e) recursive (&body forms)
  `(make-projection/recursive ,@forms))

;;;;;;
;;; Printer

(def printer recursive (projection recursion input input-reference output-reference)
  (declare (ignore recursion))
  (bind ((child (child-of projection)))
    (funcall (printer-of child) child projection input input-reference output-reference)))

;;;;;;
;;; Reader

(def reader recursive (projection recursion input input-reference output-reference)
  (declare (ignore projection recursion input input-reference output-reference))
  nil)