iolib/pkgdcl.lisp

   1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Indent-tabs-mode: NIL -*-
   2 ;;;
   3 ;;; pkgdcl.lisp --- Package definition.
   4 ;;;
   5 ;;; Copyright (C) 2008, Stelian Ionescu  <sionescu@common-lisp.net>
   6 ;;;
   7 ;;; This code is free software; you can redistribute it and/or
   8 ;;; modify it under the terms of the version 2.1 of
   9 ;;; the GNU Lesser General Public License as published by
  10 ;;; the Free Software Foundation, as clarified by the
  11 ;;; preamble found here:
  12 ;;;     http://opensource.franz.com/preamble.html
  13 ;;;
  14 ;;; This program is distributed in the hope that it will be useful,
  15 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;;; GNU General Public License for more details.
  18 ;;;
  19 ;;; You should have received a copy of the GNU Lesser General
  20 ;;; Public License along with this library; if not, write to the
  21 ;;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  22 ;;; Boston, MA 02110-1301, USA
  23
  24 (in-package :common-lisp-user)
  25
  26 (macrolet
  27     ((defconduit (name &body clauses)
  28        (assert (= 1 (length clauses)))
  29        (assert (eq (caar clauses) :use))
  30        (flet ((get-symbols (packages)
  31                 (loop :for sym :being :the :external-symbols :of packages
  32                       :collect sym :into symbols
  33                       :finally (return (remove-duplicates symbols :test #'eq)))))
  34          `(defpackage ,name
  35             (:use #:common-lisp ,@(cdar clauses))
  36             (:export ,@(get-symbols (cdar clauses)))))))
  37
  38   (defconduit :iolib
  39     (:use :io.multiplex :io.streams :net.sockets)))