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 ;;;; This file, part of KMRCL, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
  11 ;;;;
  12 ;;;; KMRCL users are granted the rights to distribute and use this software
  13 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
  14 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
  15 ;;;; *************************************************************************
  16
  17 ;;; This file imports MOP symbols into KMR-MOP packages and then
  18 ;;; re-exports them to hide differences in MOP implementations.
  19
  20 (in-package #:cl-user)
  21
  22 #+cmu
  23 (eval-when (:compile-toplevel :load-toplevel :execute)
  24   (if (eq (symbol-package 'pcl:find-class)
  25           (find-package 'common-lisp))
  26       (pushnew 'kmrcl::cmucl-mop cl:*features*)
  27       (pushnew 'kmrcl::cmucl-pcl cl:*features*)))
  28
  29 (defpackage #:kmr-mop
  30   (:use
  31    #:cl
  32    #:kmrcl
  33    #+kmrcl::cmucl-mop #:mop
  34    #+allegro #:mop
  35    #+lispworks #:clos
  36    #+clisp #:clos
  37    #+scl #:clos
  38    #+ccl #:openmcl-mop
  39    )
  40   )
  41
  42 (in-package #:kmr-mop)
  43
  44 #+lispworks
  45 (defun intern-eql-specializer (slot)
  46   `(eql ,slot))
  47
  48 (defmacro process-class-option (metaclass slot-name &optional required)
  49   #+lispworks
  50   `(defmethod clos:process-a-class-option ((class ,metaclass)
  51                                            (name (eql ,slot-name))
  52                                            value)
  53     (when (and ,required (null value))
  54       (error "metaclass ~A class slot ~A must have a value" (quote ,metaclass) name))
  55     (list name `',value))
  56   #-lispworks
  57   (declare (ignore metaclass slot-name required))
  58   )
  59
  60 (defmacro process-slot-option (metaclass slot-name)
  61   #+lispworks
  62   `(defmethod clos:process-a-slot-option ((class ,metaclass)
  63                                           (option (eql ,slot-name))
  64                                           value
  65                                           already-processed-options
  66                                           slot)
  67     (list* option `',value already-processed-options))
  68   #-lispworks
  69   (declare (ignore metaclass slot-name))
  70   )
  71
  72
  73 (eval-when (:compile-toplevel :load-toplevel :execute)
  74   #+sbcl
  75   (dolist (name '("CLASS-OF"
  76                   "CLASS-NAME"
  77                   "CLASS-SLOTS"
  78                   "FIND-CLASS"
  79                   "STANDARD-CLASS"
  80                   "SLOT-DEFINITION-NAME"
  81                   "FINALIZE-INHERITANCE"
  82                   "STANDARD-DIRECT-SLOT-DEFINITION"
  83                   "STANDARD-EFFECTIVE-SLOT-DEFINITION"
  84                   "VALIDATE-SUPERCLASS" "DIRECT-SLOT-DEFINITION-CLASS"
  85                   "EFFECTIVE-SLOT-DEFINITION-CLASS"
  86                   "COMPUTE-EFFECTIVE-SLOT-DEFINITION"
  87                   "CLASS-DIRECT-SLOTS"
  88                   "COMPUTE-EFFECTIVE-SLOT-DEFINITION-INITARGS"
  89                   "SLOT-VALUE-USING-CLASS"
  90                   "CLASS-PROTOTYPE"
  91                   "GENERIC-FUNCTION-METHOD-CLASS"
  92                   "INTERN-EQL-SPECIALIZER"
  93                   "MAKE-METHOD-LAMBDA"
  94                   "GENERIC-FUNCTION-LAMBDA-LIST"
  95                   "COMPUTE-SLOTS"))
  96     (let ((sym (find-symbol name "SB-MOP")))
  97       (if sym
  98           (shadowing-import sym)
  99           (progn
 100             (setq sym (find-symbol name "SB-PCL"))
 101             (when sym
 102               (shadowing-import sym))))))
 103   #-sbcl
 104   (shadowing-import
 105    #+allegro
 106    '(excl::compute-effective-slot-definition-initargs)
 107    #+lispworks
 108    '(clos::compute-effective-slot-definition-initargs)
 109    #+clisp
 110    '(clos::compute-effective-slot-definition-initargs)
 111    #+cmu
 112    '(pcl:class-of  pcl:class-name pcl:class-slots pcl:find-class pcl::standard-class
 113      pcl::slot-definition-name pcl:finalize-inheritance
 114      pcl::standard-direct-slot-definition pcl::standard-effective-slot-definition
 115      pcl::validate-superclass pcl:direct-slot-definition-class pcl::effective-slot-definition-class
 116      pcl:compute-effective-slot-definition
 117      pcl:class-direct-slots
 118      pcl::compute-effective-slot-definition-initargs
 119      pcl::slot-value-using-class
 120      pcl:class-prototype pcl:generic-function-method-class pcl:intern-eql-specializer
 121      pcl:make-method-lambda pcl:generic-function-lambda-list
 122      pcl::compute-slots)
 123    #+scl
 124    '(class-of class-name class-slots find-class clos::standard-class
 125      clos::slot-definition-name clos:finalize-inheritance
 126      clos::standard-direct-slot-definition clos::standard-effective-slot-definition
 127      clos::effective-slot-definition-class
 128      clos:class-direct-slots
 129      clos::validate-superclass clos:direct-slot-definition-class
 130      clos:compute-effective-slot-definition
 131      clos::compute-effective-slot-definition-initargs
 132      clos::slot-value-using-class
 133      clos::class-prototype clos:generic-function-method-class clos:intern-eql-specializer
 134      clos:make-method-lambda clos:generic-function-lambda-list
 135      clos::compute-slots
 136      ;; note: make-method-lambda is not fbound
 137      )
 138    #+ccl
 139    '(openmcl-mop::slot-definition-name openmcl-mop:finalize-inheritance
 140      openmcl-mop::standard-direct-slot-definition openmcl-mop::standard-effective-slot-definition
 141      openmcl-mop::validate-superclass openmcl-mop:direct-slot-definition-class openmcl-mop::effective-slot-definition-class
 142      openmcl-mop:compute-effective-slot-definition
 143      openmcl-mop:class-direct-slots
 144      openmcl-mop::compute-effective-slot-definition-initargs
 145      openmcl-mop::slot-value-using-class
 146      openmcl-mop:class-prototype openmcl-mop:generic-function-method-class openmcl-mop:intern-eql-specializer
 147      openmcl-mop:make-method-lambda openmcl-mop:generic-function-lambda-list
 148      openmcl-mop::compute-slots)   ))
 149
 150 (eval-when (:compile-toplevel :load-toplevel :execute)
 151   (export '(class-of class-name class-slots find-class
 152             standard-class
 153             slot-definition-name finalize-inheritance
 154             standard-direct-slot-definition
 155             standard-effective-slot-definition validate-superclass
 156             compute-effective-slot-definition-initargs
 157             direct-slot-definition-class effective-slot-definition-class
 158             compute-effective-slot-definition
 159             slot-value-using-class
 160             class-prototype generic-function-method-class intern-eql-specializer
 161             make-method-lambda generic-function-lambda-list
 162             compute-slots
 163             class-direct-slots
 164             ;; KMR-MOP encapsulating macros
 165             process-slot-option
 166             process-class-option))
 167
 168   #+cmu
 169   (if (find-package 'mop)
 170       (setq cl:*features* (delete 'kmrcl::cmucl-mop cl:*features*))
 171       (setq cl:*features* (delete 'kmrcl::cmucl-pcl cl:*features*)))
 172
 173   (when (< (length (generic-function-lambda-list
 174                      (ensure-generic-function
 175                       'compute-effective-slot-definition)))
 176             3)
 177     (pushnew 'short-arg-cesd cl:*features*))
 178
 179   (when (< (length (generic-function-lambda-list
 180                     (ensure-generic-function
 181                      'direct-slot-definition-class)))
 182            3)
 183     (pushnew 'short-arg-dsdc cl:*features*))
 184
 185   )  ;; eval-when