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 ;;;; $Id$
  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
  50 (in-package #:kmr-mop)
  51
  52 #+lispworks
  53 (defun intern-eql-specializer (slot)
  54   `(eql ,slot))
  55
  56 (defmacro process-class-option (metaclass slot-name &optional required)
  57   #+lispworks
  58   `(defmethod clos:process-a-class-option ((class ,metaclass)
  59                                            (name (eql ,slot-name))
  60                                            value)
  61     (when (and ,required (null value))
  62       (error "metaclass ~A class slot ~A must have a value" (quote ,metaclass) name))
  63     (list name `',value))
  64   #-lispworks
  65   (declare (ignore metaclass slot-name required))
  66   )
  67
  68 (defmacro process-slot-option (metaclass slot-name)
  69   #+lispworks
  70   `(defmethod clos:process-a-slot-option ((class ,metaclass)
  71                                           (option (eql ,slot-name))
  72                                           value
  73                                           already-processed-options
  74                                           slot)
  75     (list* option `',value already-processed-options))
  76   #-lispworks
  77   (declare (ignore metaclass slot-name))
  78   )
  79
  80
  81 (eval-when (:compile-toplevel :load-toplevel :execute)
  82   (shadowing-import
  83    #+allegro
  84    '(excl::compute-effective-slot-definition-initargs)
  85    #+lispworks
  86    '(clos::compute-effective-slot-definition-initargs)
  87    #+sbcl
  88    '(#+kmr-sbcl-mop class-of #-kmr-sbcl-mop sb-pcl:class-of
  89      #+kmr-sbcl-mop class-name #-kmr-sbcl-mop sb-pcl:class-name
  90      #+kmr-sbcl-mop class-slots #-kmr-sbcl-mop sb-pcl:class-slots
  91      #+kmr-sbcl-mop find-class #-kmr-sbcl-mop sb-pcl:find-class
  92      sb-pcl::standard-class
  93      sb-pcl:slot-definition-name sb-pcl::finalize-inheritance
  94      sb-pcl::standard-direct-slot-definition
  95      sb-pcl::standard-effective-slot-definition sb-pcl::validate-superclass
  96      sb-pcl::direct-slot-definition-class
  97      sb-pcl::effective-slot-definition-class
  98      sb-pcl::compute-effective-slot-definition
  99      sb-pcl:class-direct-slots
 100      sb-pcl::compute-effective-slot-definition-initargs
 101      sb-pcl::slot-value-using-class
 102      sb-pcl:class-prototype sb-pcl:generic-function-method-class sb-pcl:intern-eql-specializer
 103      sb-pcl:make-method-lambda sb-pcl:generic-function-lambda-list
 104      sb-pcl::compute-slots)
 105    #+cmu
 106    '(pcl:class-of  pcl:class-name pcl:class-slots pcl:find-class pcl::standard-class
 107      pcl::slot-definition-name pcl:finalize-inheritance
 108      pcl::standard-direct-slot-definition pcl::standard-effective-slot-definition
 109      pcl::validate-superclass pcl:direct-slot-definition-class pcl::effective-slot-definition-class
 110      pcl:compute-effective-slot-definition
 111      pcl:class-direct-slots
 112      pcl::compute-effective-slot-definition-initargs
 113      pcl::slot-value-using-class
 114      pcl:class-prototype pcl:generic-function-method-class pcl:intern-eql-specializer
 115      pcl:make-method-lambda pcl:generic-function-lambda-list
 116      pcl::compute-slots)
 117    #+scl
 118    '(class-of class-name class-slots find-class clos::standard-class
 119      clos::slot-definition-name clos:finalize-inheritance
 120      clos::standard-direct-slot-definition clos::standard-effective-slot-definition
 121      clos::effective-slot-definition-class
 122      clos:class-direct-slots
 123      clos::validate-superclass clos:direct-slot-definition-class
 124      clos:compute-effective-slot-definition
 125      clos::compute-effective-slot-definition-initargs
 126      clos::slot-value-using-class
 127      clos::class-prototype clos:generic-function-method-class clos:intern-eql-specializer
 128      clos:make-method-lambda clos:generic-function-lambda-list
 129      clos::compute-slots
 130      ;; note: make-method-lambda is not fbound
 131      )
 132    #+openmcl
 133    '(openmcl-mop::slot-definition-name openmcl-mop:finalize-inheritance
 134      openmcl-mop::standard-direct-slot-definition openmcl-mop::standard-effective-slot-definition
 135      openmcl-mop::validate-superclass openmcl-mop:direct-slot-definition-class openmcl-mop::effective-slot-definition-class
 136      openmcl-mop:compute-effective-slot-definition
 137      openmcl-mop:class-direct-slots
 138      openmcl-mop::compute-effective-slot-definition-initargs
 139      openmcl-mop::slot-value-using-class
 140      openmcl-mop:class-prototype openmcl-mop:generic-function-method-class openmcl-mop:intern-eql-specializer
 141      openmcl-mop:make-method-lambda openmcl-mop:generic-function-lambda-list
 142      openmcl-mop::compute-slots)   ))
 143
 144 (eval-when (:compile-toplevel :load-toplevel :execute)
 145   (export '(class-of class-name class-slots find-class
 146             standard-class
 147             slot-definition-name finalize-inheritance
 148             standard-direct-slot-definition
 149             standard-effective-slot-definition validate-superclass
 150             compute-effective-slot-definition-initargs
 151             direct-slot-definition-class effective-slot-definition-class
 152             compute-effective-slot-definition
 153             slot-value-using-class
 154             class-prototype generic-function-method-class intern-eql-specializer
 155             make-method-lambda generic-function-lambda-list
 156             compute-slots
 157             class-direct-slots
 158             ;; KMR-MOP encapsulating macros
 159             process-slot-option
 160             process-class-option))
 161
 162   #+sbcl
 163   (if (find-package 'sb-mop)
 164       (setq cl:*features* (delete :kmr-sbcl-mop cl:*features*))
 165       (setq cl:*features* (delete :kmr-sbcl-pcl cl:*features*)))
 166
 167   #+cmu
 168   (if (find-package 'mop)
 169       (setq cl:*features* (delete :kmr-cmucl-mop cl:*features*))
 170       (setq cl:*features* (delete :kmr-cmucl-pcl cl:*features*)))
 171
 172   (when (>= (length (generic-function-lambda-list
 173                      (ensure-generic-function
 174                       'compute-effective-slot-definition)))
 175             3)
 176     (pushnew :kmr-normal-cesd cl:*features*))
 177
 178   (when (>= (length (generic-function-lambda-list
 179                      (ensure-generic-function
 180                       'direct-slot-definition-class)))
 181             3)
 182     (pushnew :kmr-normal-dsdc cl:*features*))
 183
 184   )  ;; eval-when