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 (when (find-package '#:kmr-mop)
  30   (delete-package '#:kmr-mop))
  31
  32 (defpackage #:kmr-mop
  33   (:use
  34    #:cl
  35    #:kmrcl
  36    #+kmrcl::cmucl-mop #:mop
  37    #+allegro #:mop
  38    #+lispworks #:clos
  39    #+clisp #:clos
  40    #+scl #:clos
  41    #+ccl #:openmcl-mop
  42    )
  43   )
  44
  45 (in-package #:kmr-mop)
  46
  47 #+lispworks
  48 (defun intern-eql-specializer (slot)
  49   `(eql ,slot))
  50
  51 (defmacro process-class-option (metaclass slot-name &optional required)
  52   #+lispworks
  53   `(defmethod clos:process-a-class-option ((class ,metaclass)
  54                                            (name (eql ,slot-name))
  55                                            value)
  56     (when (and ,required (null value))
  57       (error "metaclass ~A class slot ~A must have a value" (quote ,metaclass) name))
  58     (list name `',value))
  59   #-lispworks
  60   (declare (ignore metaclass slot-name required))
  61   )
  62
  63 (defmacro process-slot-option (metaclass slot-name)
  64   #+lispworks
  65   `(defmethod clos:process-a-slot-option ((class ,metaclass)
  66                                           (option (eql ,slot-name))
  67                                           value
  68                                           already-processed-options
  69                                           slot)
  70     (list* option `',value already-processed-options))
  71   #-lispworks
  72   (declare (ignore metaclass slot-name))
  73   )
  74
  75
  76 (eval-when (:compile-toplevel :load-toplevel :execute)
  77   #+sbcl
  78   (dolist (name '("CLASS-OF"
  79                   "CLASS-NAME"
  80                   "CLASS-SLOTS"
  81                   "FIND-CLASS"
  82                   "STANDARD-CLASS"
  83                   "SLOT-DEFINITION-NAME"
  84                   "FINALIZE-INHERITANCE"
  85                   "STANDARD-DIRECT-SLOT-DEFINITION"
  86                   "STANDARD-EFFECTIVE-SLOT-DEFINITION"
  87                   "VALIDATE-SUPERCLASS" "DIRECT-SLOT-DEFINITION-CLASS"
  88                   "EFFECTIVE-SLOT-DEFINITION-CLASS"
  89                   "COMPUTE-EFFECTIVE-SLOT-DEFINITION"
  90                   "CLASS-DIRECT-SLOTS"
  91                   "COMPUTE-EFFECTIVE-SLOT-DEFINITION-INITARGS"
  92                   "SLOT-VALUE-USING-CLASS"
  93                   "CLASS-PROTOTYPE"
  94                   "GENERIC-FUNCTION-METHOD-CLASS"
  95                   "INTERN-EQL-SPECIALIZER"
  96                   "MAKE-METHOD-LAMBDA"
  97                   "GENERIC-FUNCTION-LAMBDA-LIST"
  98                   "COMPUTE-SLOTS"))
  99     (let ((sym (find-symbol name "SB-MOP")))
 100       (if sym
 101           (shadowing-import sym)
 102           (progn
 103             (setq sym (find-symbol name "SB-PCL"))
 104             (when sym
 105               (shadowing-import sym))))))
 106   #-sbcl
 107   (shadowing-import
 108    #+allegro
 109    '(excl::compute-effective-slot-definition-initargs)
 110    #+lispworks
 111    '(clos::compute-effective-slot-definition-initargs)
 112    #+clisp
 113    '(clos::compute-effective-slot-definition-initargs)
 114    #+cmu
 115    '(pcl:class-of  pcl:class-name pcl:class-slots pcl:find-class pcl::standard-class
 116      pcl::slot-definition-name pcl:finalize-inheritance
 117      pcl::standard-direct-slot-definition pcl::standard-effective-slot-definition
 118      pcl::validate-superclass pcl:direct-slot-definition-class pcl::effective-slot-definition-class
 119      pcl:compute-effective-slot-definition
 120      pcl:class-direct-slots
 121      pcl::compute-effective-slot-definition-initargs
 122      pcl::slot-value-using-class
 123      pcl:class-prototype pcl:generic-function-method-class pcl:intern-eql-specializer
 124      pcl:make-method-lambda pcl:generic-function-lambda-list
 125      pcl::compute-slots)
 126    #+scl
 127    '(class-of class-name class-slots find-class clos::standard-class
 128      clos::slot-definition-name clos:finalize-inheritance
 129      clos::standard-direct-slot-definition clos::standard-effective-slot-definition
 130      clos::effective-slot-definition-class
 131      clos:class-direct-slots
 132      clos::validate-superclass clos:direct-slot-definition-class
 133      clos:compute-effective-slot-definition
 134      clos::compute-effective-slot-definition-initargs
 135      clos::slot-value-using-class
 136      clos::class-prototype clos:generic-function-method-class clos:intern-eql-specializer
 137      clos:make-method-lambda clos:generic-function-lambda-list
 138      clos::compute-slots
 139      ;; note: make-method-lambda is not fbound
 140      )
 141    #+ccl
 142    '(openmcl-mop::slot-definition-name openmcl-mop:finalize-inheritance
 143      openmcl-mop::standard-direct-slot-definition openmcl-mop::standard-effective-slot-definition
 144      openmcl-mop::validate-superclass openmcl-mop:direct-slot-definition-class openmcl-mop::effective-slot-definition-class
 145      openmcl-mop:compute-effective-slot-definition
 146      openmcl-mop:class-direct-slots
 147      openmcl-mop::compute-effective-slot-definition-initargs
 148      openmcl-mop::slot-value-using-class
 149      openmcl-mop:class-prototype openmcl-mop:generic-function-method-class openmcl-mop:intern-eql-specializer
 150      openmcl-mop:make-method-lambda openmcl-mop:generic-function-lambda-list
 151      openmcl-mop::compute-slots)   ))
 152
 153 (eval-when (:compile-toplevel :load-toplevel :execute)
 154   (export '(class-of class-name class-slots find-class
 155             standard-class
 156             slot-definition-name finalize-inheritance
 157             standard-direct-slot-definition
 158             standard-effective-slot-definition validate-superclass
 159             compute-effective-slot-definition-initargs
 160             direct-slot-definition-class effective-slot-definition-class
 161             compute-effective-slot-definition
 162             slot-value-using-class
 163             class-prototype generic-function-method-class intern-eql-specializer
 164             make-method-lambda generic-function-lambda-list
 165             compute-slots
 166             class-direct-slots
 167             ;; KMR-MOP encapsulating macros
 168             process-slot-option
 169             process-class-option))
 170
 171   #+cmu
 172   (if (find-package 'mop)
 173       (setq cl:*features* (delete 'kmrcl::cmucl-mop cl:*features*))
 174       (setq cl:*features* (delete 'kmrcl::cmucl-pcl cl:*features*)))
 175
 176   (when (< (length (generic-function-lambda-list
 177                      (ensure-generic-function
 178                       'compute-effective-slot-definition)))
 179             3)
 180     (pushnew 'short-arg-cesd cl:*features*))
 181
 182   (when (< (length (generic-function-lambda-list
 183                     (ensure-generic-function
 184                      'direct-slot-definition-class)))
 185            3)
 186     (pushnew 'short-arg-dsdc cl:*features*))
 187
 188   )  ;; eval-when