mop.lisp

   1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
   2 ;;;; *************************************************************************
   3 ;;;; FILE IDENTIFICATION
   4 ;;;;
   5 ;;;; Name:          mop.lisp
   6 ;;;; Purpose:       Imports standard MOP symbols into KMRCL
   7 ;;;; Programmer:    Kevin M. Rosenberg
   8 ;;;; Date Started:  Apr 2003
   9 ;;;;
  10 ;;;; $Id: mop.lisp,v 1.16 2003/06/25 20:11:54 kevin Exp $
  11 ;;;;
  12 ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
  13 ;;;;
  14 ;;;; KMRCL users are granted the rights to distribute and use this software
  15 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
  16 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
  17 ;;;; *************************************************************************
  18
  19 ;;; This file imports MOP symbols into KMR-MOP packages and then
  20 ;;; re-exports them to hide differences in MOP implementations.
  21
  22 (in-package #:cl-user)
  23
  24 #+sbcl
  25 (eval-when (:compile-toplevel :load-toplevel :execute)
  26   (if (find-package 'sb-mop)
  27       (pushnew :kmr-sbcl-mop cl:*features*)
  28       (pushnew :kmr-sbcl-pcl cl:*features*)))
  29
  30 #+cmu
  31 (eval-when (:compile-toplevel :load-toplevel :execute)
  32   (if (eq (symbol-package 'pcl:find-class)
  33           (find-package 'common-lisp))
  34       (pushnew :kmr-cmucl-mop cl:*features*)
  35       (pushnew :kmr-cmucl-pcl cl:*features*)))
  36
  37 (defpackage #:kmr-mop
  38   (:use
  39    #:cl
  40    #:kmrcl
  41    #+kmr-sbcl-mop #:sb-mop
  42    #+kmr-cmucl-mop #:mop
  43    #+allegro #:mop
  44    #+lispworks #:clos
  45    #+scl #:clos
  46    #+openmcl #:openmcl-mop
  47    ))
  48
  49 (in-package #:kmr-mop)
  50
  51 #+lispworks
  52 (defun intern-eql-specializer (slot)
  53   `(eql ,slot))
  54
  55   (defmacro process-class-option (metaclass slot-name &optional required)
  56     #+lispworks
  57     `(defmethod clos:process-a-class-option ((class ,metaclass)
  58                                              (name (eql ,slot-name))
  59                                              value)
  60       (when (and ,required (null value))
  61         (error "metaclass ~A class slot ~A must have a value" (quote ,metaclass) name))
  62       (list name `',value))
  63     #-lispworks
  64     (declare (ignore metaclass slot-name required))
  65     )
  66
  67   (defmacro process-slot-option (metaclass slot-name)
  68     #+lispworks
  69     `(defmethod clos:process-a-slot-option ((class ,metaclass)
  70                                             (option (eql ,slot-name))
  71                                             value
  72                                             already-processed-options
  73                                             slot)
  74       (list* option `',value already-processed-options))
  75     #-lispworks
  76     (declare (ignore metaclass slot-name))
  77     )
  78
  79
  80 (eval-when (:compile-toplevel :load-toplevel :execute)
  81   (shadowing-import
  82    #+allegro
  83    '(excl::compute-effective-slot-definition-initargs)
  84    #+lispworks
  85    '(clos::compute-effective-slot-definition-initargs)
  86    #+sbcl
  87    '(#+kmr-sbcl-mop class-of #-kmr-sbcl-mop sb-pcl:class-of
  88      #+kmr-sbcl-mop class-name #-kmr-sbcl-mop sb-pcl:class-name
  89      #+kmr-sbcl-mop class-slots #-kmr-sbcl-mop sb-pcl:class-slots
  90      #+kmr-sbcl-mop find-class #-kmr-sbcl-mop sb-pcl:find-class
  91      sb-pcl::standard-class
  92      sb-pcl:slot-definition-name sb-pcl::finalize-inheritance
  93      sb-pcl::standard-direct-slot-definition
  94      sb-pcl::standard-effective-slot-definition sb-pcl::validate-superclass
  95      sb-pcl::direct-slot-definition-class
  96      sb-pcl::effective-slot-definition-class
  97      sb-pcl::compute-effective-slot-definition
  98      sb-pcl:class-direct-slots
  99      sb-pcl::compute-effective-slot-definition-initargs
 100      sb-pcl::slot-value-using-class
 101      sb-pcl:class-prototype sb-pcl:generic-function-method-class sb-pcl:intern-eql-specializer
 102      sb-pcl:make-method-lambda sb-pcl:generic-function-lambda-list
 103      sb-pcl::compute-slots)
 104    #+cmu
 105    '(pcl:class-of  pcl:class-name pcl:class-slots pcl:find-class pcl::standard-class
 106      pcl::slot-definition-name pcl:finalize-inheritance
 107      pcl::standard-direct-slot-definition pcl::standard-effective-slot-definition
 108      pcl::validate-superclass pcl:direct-slot-definition-class pcl::effective-slot-definition-class
 109      pcl:compute-effective-slot-definition
 110      pcl:class-direct-slots
 111      pcl::compute-effective-slot-definition-initargs
 112      pcl::slot-value-using-class
 113      pcl:class-prototype pcl:generic-function-method-class pcl:intern-eql-specializer
 114      pcl:make-method-lambda pcl:generic-function-lambda-list
 115      pcl::compute-slots)
 116    #+scl
 117    '(class-of class-name class-slots find-class clos::standard-class
 118      clos::slot-definition-name clos:finalize-inheritance
 119      clos::standard-direct-slot-definition clos::standard-effective-slot-definition
 120      clos::effective-slot-definition-class
 121      clos:class-direct-slots
 122      clos::validate-superclass clos:direct-slot-definition-class
 123      clos:compute-effective-slot-definition
 124      clos::compute-effective-slot-definition-initargs
 125      clos::slot-value-using-class
 126      clos::class-prototype clos:generic-function-method-class clos:intern-eql-specializer
 127      clos:make-method-lambda clos:generic-function-lambda-list
 128      clos::compute-slots
 129      ;; note: make-method-lambda is not fbound
 130      )
 131    #+openmcl
 132    '(openmcl-mop::slot-definition-name openmcl-mop:finalize-inheritance
 133      openmcl-mop::standard-direct-slot-definition openmcl-mop::standard-effective-slot-definition
 134      openmcl-mop::validate-superclass openmcl-mop:direct-slot-definition-class openmcl-mop::effective-slot-definition-class
 135      openmcl-mop:compute-effective-slot-definition
 136      openmcl-mop:class-direct-slots
 137      openmcl-mop::compute-effective-slot-definition-initargs
 138      openmcl-mop::slot-value-using-class
 139      openmcl-mop:class-prototype openmcl-mop:generic-function-method-class openmcl-mop:intern-eql-specializer
 140      openmcl-mop:make-method-lambda openmcl-mop:generic-function-lambda-list
 141      openmcl-mop::compute-slots)   ))
 142
 143 (eval-when (:compile-toplevel :load-toplevel :execute)
 144   (export '(class-of class-name class-slots find-class
 145             standard-class
 146             slot-definition-name finalize-inheritance
 147             standard-direct-slot-definition
 148             standard-effective-slot-definition validate-superclass
 149             compute-effective-slot-definition-initargs
 150             direct-slot-definition-class effective-slot-definition-class
 151             compute-effective-slot-definition
 152             slot-value-using-class
 153             class-prototype generic-function-method-class intern-eql-specializer
 154             make-method-lambda generic-function-lambda-list
 155             compute-slots
 156             class-direct-slots
 157             ;; KMR-MOP encapsulating macros
 158             process-slot-option
 159             process-class-option))
 160
 161   #+sbcl
 162   (if (find-package 'sb-mop)
 163       (setq cl:*features* (delete :kmr-sbcl-mop cl:*features*))
 164       (setq cl:*features* (delete :kmr-sbcl-pcl cl:*features*)))
 165
 166   #+cmu
 167   (if (find-package 'mop)
 168       (setq cl:*features* (delete :kmr-cmucl-mop cl:*features*))
 169       (setq cl:*features* (delete :kmr-cmucl-pcl cl:*features*)))
 170
 171   (when (>= (length (generic-function-lambda-list
 172                      (ensure-generic-function
 173                       'compute-effective-slot-definition)))
 174             3)
 175     (pushnew :kmr-normal-cesd cl:*features*))
 176
 177   (when (>= (length (generic-function-lambda-list
 178                      (ensure-generic-function
 179                       'direct-slot-definition-class)))
 180             3)
 181     (pushnew :kmr-normal-dsdc cl:*features*))
 182
 183   )  ;; eval-when