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 1.14 2003/05/05 20:15:22 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
  47 (in-package #:kmr-mop)
  48
  49 #+lispworks
  50 (defun intern-eql-specializer (slot)
  51   `(eql ,slot))
  52
  53   (defmacro process-class-option (metaclass slot-name &optional required)
  54     #+lispworks
  55     `(defmethod clos:process-a-class-option ((class ,metaclass)
  56                                              (name (eql ,slot-name))
  57                                              value)
  58       (when (and ,required (null value))
  59         (error "metaclass ~A class slot ~A must have a value" (quote ,metaclass) name))
  60       (list name `',value))
  61     #+(or allegro sbcl cmu scl)
  62     (declare (ignore metaclass slot-name required))
  63     )
  64
  65   (defmacro process-slot-option (metaclass slot-name)
  66     #+lispworks
  67     `(defmethod clos:process-a-slot-option ((class ,metaclass)
  68                                             (option (eql ,slot-name))
  69                                             value
  70                                             already-processed-options
  71                                             slot)
  72       (list* option `',value already-processed-options))
  73     #-lispworks
  74     (declare (ignore metaclass slot-name))
  75     )
  76
  77
  78 (eval-when (:compile-toplevel :load-toplevel :execute)
  79   (shadowing-import
  80    #+allegro
  81    '(excl::compute-effective-slot-definition-initargs)
  82    #+lispworks
  83    '(clos::compute-effective-slot-definition-initargs)
  84    #+sbcl
  85    '(#+kmr-sbcl-mop class-of #-kmr-sbcl-mop sb-pcl:class-of
  86      #+kmr-sbcl-mop class-name #-kmr-sbcl-mop sb-pcl:class-name
  87      #+kmr-sbcl-mop class-slots #-kmr-sbcl-mop sb-pcl:class-slots
  88      #+kmr-sbcl-mop find-class #-kmr-sbcl-mop sb-pcl:find-class
  89      sb-pcl::standard-class
  90      sb-pcl:slot-definition-name sb-pcl::finalize-inheritance
  91      sb-pcl::standard-direct-slot-definition
  92      sb-pcl::standard-effective-slot-definition sb-pcl::validate-superclass
  93      sb-pcl::direct-slot-definition-class
  94      sb-pcl::effective-slot-definition-class
  95      sb-pcl::compute-effective-slot-definition
  96      sb-pcl:class-direct-slots
  97      sb-pcl::compute-effective-slot-definition-initargs
  98      sb-pcl::slot-value-using-class
  99      sb-pcl:class-prototype sb-pcl:generic-function-method-class sb-pcl:intern-eql-specializer
 100      sb-pcl:make-method-lambda sb-pcl:generic-function-lambda-list
 101      sb-pcl::compute-slots)
 102    #+cmu
 103    '(pcl:class-of  pcl:class-name pcl:class-slots pcl:find-class pcl::standard-class
 104      pcl::slot-definition-name pcl:finalize-inheritance
 105      pcl::standard-direct-slot-definition pcl::standard-effective-slot-definition
 106      pcl::validate-superclass pcl:direct-slot-definition-class pcl::effective-slot-definition-class
 107      pcl:compute-effective-slot-definition
 108      pcl:class-direct-slots
 109      pcl::compute-effective-slot-definition-initargs
 110      pcl::slot-value-using-class
 111      pcl:class-prototype pcl:generic-function-method-class pcl:intern-eql-specializer
 112      pcl:make-method-lambda pcl:generic-function-lambda-list
 113      pcl::compute-slots)
 114    #+scl
 115    '(class-of class-name class-slots find-class clos::standard-class
 116      clos::slot-definition-name clos:finalize-inheritance
 117      clos::standard-direct-slot-definition clos::standard-effective-slot-definition
 118      clos::effective-slot-definition-class
 119      clos:class-direct-slots
 120      clos::validate-superclass clos:direct-slot-definition-class
 121      clos:compute-effective-slot-definition
 122      clos::compute-effective-slot-definition-initargs
 123      clos::slot-value-using-class
 124      clos::class-prototype clos:generic-function-method-class clos:intern-eql-specializer
 125      clos:make-method-lambda clos:generic-function-lambda-list
 126      clos::compute-slots
 127      ;; note: make-method-lambda is not fbound
 128      )))
 129
 130 (eval-when (:compile-toplevel :load-toplevel :execute)
 131   (export '(class-of class-name class-slots find-class
 132             standard-class
 133             slot-definition-name finalize-inheritance
 134             standard-direct-slot-definition
 135             standard-effective-slot-definition validate-superclass
 136             compute-effective-slot-definition-initargs
 137             direct-slot-definition-class effective-slot-definition-class
 138             compute-effective-slot-definition
 139             slot-value-using-class
 140             class-prototype generic-function-method-class intern-eql-specializer
 141             make-method-lambda generic-function-lambda-list
 142             compute-slots
 143             class-direct-slots
 144             ;; KMR-MOP encapsulating macros
 145             process-slot-option
 146             process-class-option))
 147
 148   #+sbcl
 149   (if (find-package 'sb-mop)
 150       (setq cl:*features* (delete :kmr-sbcl-mop cl:*features*))
 151       (setq cl:*features* (delete :kmr-sbcl-pcl cl:*features*)))
 152
 153   #+cmu
 154   (if (find-package 'mop)
 155       (setq cl:*features* (delete :kmr-cmucl-mop cl:*features*))
 156       (setq cl:*features* (delete :kmr-cmucl-pcl cl:*features*)))
 157
 158   (when (>= (length (generic-function-lambda-list
 159                      (ensure-generic-function
 160                       'compute-effective-slot-definition)))
 161             3)
 162     (pushnew :kmr-normal-cesd cl:*features*))
 163
 164   (when (>= (length (generic-function-lambda-list
 165                      (ensure-generic-function
 166                       'direct-slot-definition-class)))
 167             3)
 168     (pushnew :kmr-normal-dsdc cl:*features*))
 169
 170   )  ;; eval-when