| 1 | ;;; -*-lisp-*- |
| 2 | ;;; |
| 3 | ;;; Equipment for building classes and friends |
| 4 | ;;; |
| 5 | ;;; (c) 2009 Straylight/Edgeware |
| 6 | ;;; |
| 7 | |
| 8 | ;;;----- Licensing notice --------------------------------------------------- |
| 9 | ;;; |
| 10 | ;;; This file is part of the Simple Object Definition system. |
| 11 | ;;; |
| 12 | ;;; SOD is free software; you can redistribute it and/or modify |
| 13 | ;;; it under the terms of the GNU General Public License as published by |
| 14 | ;;; the Free Software Foundation; either version 2 of the License, or |
| 15 | ;;; (at your option) any later version. |
| 16 | ;;; |
| 17 | ;;; SOD is distributed in the hope that it will be useful, |
| 18 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | ;;; GNU General Public License for more details. |
| 21 | ;;; |
| 22 | ;;; You should have received a copy of the GNU General Public License |
| 23 | ;;; along with SOD; if not, write to the Free Software Foundation, |
| 24 | ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | |
| 26 | (cl:in-package #:sod) |
| 27 | |
| 28 | ;;;-------------------------------------------------------------------------- |
| 29 | ;;; Finding things by name |
| 30 | |
| 31 | (defun find-superclass-by-nick (class nick) |
| 32 | "Returns the superclass of CLASS with nickname NICK, or signals an error." |
| 33 | |
| 34 | ;; Slightly tricky. The class almost certainly hasn't been finalized, so |
| 35 | ;; trundle through its superclasses and hope for the best. |
| 36 | (if (string= nick (sod-class-nickname class)) |
| 37 | class |
| 38 | (or (some (lambda (super) |
| 39 | (find nick (sod-class-precedence-list super) |
| 40 | :key #'sod-class-nickname |
| 41 | :test #'string=)) |
| 42 | (sod-class-direct-superclasses class)) |
| 43 | (error "No superclass of `~A' with nickname `~A'" class nick)))) |
| 44 | |
| 45 | (flet ((find-item-by-name (what class list name key) |
| 46 | (or (find name list :key key :test #'string=) |
| 47 | (error "No ~A in class `~A' with name `~A'" what class name)))) |
| 48 | |
| 49 | (defun find-instance-slot-by-name (class super-nick slot-name) |
| 50 | (let ((super (find-superclass-by-nick class super-nick))) |
| 51 | (find-item-by-name "slot" super (sod-class-slots super) |
| 52 | slot-name #'sod-slot-name))) |
| 53 | |
| 54 | (defun find-class-slot-by-name (class super-nick slot-name) |
| 55 | (let* ((meta (sod-class-metaclass class)) |
| 56 | (super (find-superclass-by-nick meta super-nick))) |
| 57 | (find-item-by-name "slot" super (sod-class-slots super) |
| 58 | slot-name #'sod-slot-name))) |
| 59 | |
| 60 | (defun find-message-by-name (class super-nick message-name) |
| 61 | (let ((super (find-superclass-by-nick class super-nick))) |
| 62 | (find-item-by-name "message" super (sod-class-messages super) |
| 63 | message-name #'sod-message-name)))) |
| 64 | |
| 65 | ;;;-------------------------------------------------------------------------- |
| 66 | ;;; Class construction. |
| 67 | |
| 68 | (defun make-sod-class (name superclasses pset &optional location) |
| 69 | "Construct and return a new SOD class with the given NAME and SUPERCLASSES. |
| 70 | |
| 71 | This is the main constructor function for classes. The protocol works as |
| 72 | follows. The :LISP-CLASS property in PSET is checked: if it exists, it |
| 73 | must be a symbol naming a (CLOS) class, which is used in place of |
| 74 | SOD-CLASS. All of the arguments are then passed to MAKE-INSTANCE; further |
| 75 | behaviour is left to the standard CLOS instance construction protocol; for |
| 76 | example, SOD-CLASS defines an :AFTER-method on SHARED-INITIALIZE. |
| 77 | |
| 78 | Minimal sanity checking is done during class construction; most of it is |
| 79 | left for FINALIZE-SOD-CLASS to do (via CHECK-SOD-CLASS). |
| 80 | |
| 81 | Unused properties in PSET are diagnosed as errors." |
| 82 | |
| 83 | (with-default-error-location (location) |
| 84 | (let ((class (make-instance (get-property pset :lisp-class :symbol |
| 85 | 'sod-class) |
| 86 | :name name |
| 87 | :superclasses superclasses |
| 88 | :location (file-location location) |
| 89 | :pset pset))) |
| 90 | (check-unused-properties pset) |
| 91 | class))) |
| 92 | |
| 93 | (defgeneric guess-metaclass (class) |
| 94 | (:documentation |
| 95 | "Determine a suitable metaclass for the CLASS. |
| 96 | |
| 97 | The default behaviour is to choose the most specific metaclass of any of |
| 98 | the direct superclasses of CLASS, or to signal an error if that failed.")) |
| 99 | |
| 100 | (defmethod guess-metaclass ((class sod-class)) |
| 101 | "Default metaclass-guessing function for classes. |
| 102 | |
| 103 | Return the most specific metaclass of any of the CLASS's direct |
| 104 | superclasses." |
| 105 | (do ((supers (sod-class-direct-superclasses class) (cdr supers)) |
| 106 | (meta nil (let ((candidate (sod-class-metaclass (car supers)))) |
| 107 | (cond ((null meta) candidate) |
| 108 | ((sod-subclass-p meta candidate) meta) |
| 109 | ((sod-subclass-p candidate meta) candidate) |
| 110 | (t (error "Unable to choose metaclass for `~A'" |
| 111 | class)))))) |
| 112 | ((endp supers) meta))) |
| 113 | |
| 114 | (defmethod shared-initialize :after ((class sod-class) slot-names &key pset) |
| 115 | "Specific behaviour for SOD class initialization. |
| 116 | |
| 117 | Properties inspected are as follows: |
| 118 | |
| 119 | * :METACLASS names the metaclass to use. If unspecified, NIL is stored, |
| 120 | and (unless you intervene later) GUESS-METACLASS will be called by |
| 121 | FINALIZE-SOD-CLASS to find a suitable default. |
| 122 | |
| 123 | * :NICK provides a nickname for the class. If unspecified, a default |
| 124 | (the class's name, forced to lowercase) will be chosen in |
| 125 | FINALIZE-SOD-CLASS. |
| 126 | |
| 127 | * :LINK names the chained superclass. If unspecified, this class will |
| 128 | be left at the head of its chain." |
| 129 | |
| 130 | ;; If no nickname, copy the class name. It won't be pretty, though. |
| 131 | (default-slot (class 'nickname) |
| 132 | (get-property pset :nick :id (slot-value class 'name))) |
| 133 | |
| 134 | ;; If no metaclass, guess one in a (Lisp) class-specific way. |
| 135 | (default-slot (class 'metaclass) |
| 136 | (multiple-value-bind (name floc) (get-property pset :metaclass :id) |
| 137 | (if floc |
| 138 | (find-sod-class name floc) |
| 139 | (guess-metaclass class)))) |
| 140 | |
| 141 | ;; If no chain-link, then start a new chain here. |
| 142 | (default-slot (class 'chain-link) |
| 143 | (multiple-value-bind (name floc) (get-property pset :link :id) |
| 144 | (if floc |
| 145 | (find-sod-class name floc) |
| 146 | nil)))) |
| 147 | |
| 148 | ;;;-------------------------------------------------------------------------- |
| 149 | ;;; Slot construction. |
| 150 | |
| 151 | (defgeneric make-sod-slot (class name type pset &optional location) |
| 152 | (:documentation |
| 153 | "Construct, add, and attach a new slot with given NAME and TYPE, to CLASS. |
| 154 | |
| 155 | This is the main constructor function for slots. This is a generic |
| 156 | function primarily so that the CLASS can intervene in the construction |
| 157 | process. The default method uses the :LISP-CLASS property (defaulting to |
| 158 | SOD-SLOT) to choose a (CLOS) class to instantiate. The slot is then |
| 159 | constructed by MAKE-INSTANCE passing the arguments as initargs; further |
| 160 | behaviour is left to the standard CLOS instance construction protocol; for |
| 161 | example, SOD-SLOT defines an :AFTER-method on SHARED-INITIALIZE. |
| 162 | |
| 163 | Unused properties on PSET are diagnosed as errors.")) |
| 164 | |
| 165 | (defmethod make-sod-slot |
| 166 | ((class sod-class) name type pset &optional location) |
| 167 | (with-default-error-location (location) |
| 168 | (let ((slot (make-instance (get-property pset :lisp-class :symbol |
| 169 | 'sod-slot) |
| 170 | :class class |
| 171 | :name name |
| 172 | :type type |
| 173 | :location (file-location location) |
| 174 | :pset pset))) |
| 175 | (with-slots (slots) class |
| 176 | (setf slots (append slots (list slot)))) |
| 177 | (check-unused-properties pset)))) |
| 178 | |
| 179 | (defmethod shared-initialize :after ((slot sod-slot) slot-names &key pset) |
| 180 | "This method exists so that it isn't an error to provide a :PSET initarg |
| 181 | to (make-instance 'sod-slot ...). It does nothing." |
| 182 | (declare (ignore slot-names pset)) |
| 183 | nil) |
| 184 | |
| 185 | ;;;-------------------------------------------------------------------------- |
| 186 | ;;; Slot initializer construction. |
| 187 | |
| 188 | (defgeneric make-sod-instance-initializer |
| 189 | (class nick name value-kind value-form pset &optional location) |
| 190 | (:documentation |
| 191 | "Construct and attach an instance slot initializer, to CLASS. |
| 192 | |
| 193 | This is the main constructor function for instance initializers. This is |
| 194 | a generic function primarily so that the CLASS can intervene in the |
| 195 | construction process. The default method looks up the slot using |
| 196 | FIND-INSTANCE-SLOT-BY-NAME, calls MAKE-SOD-INITIALIZER-USING-SLOT to |
| 197 | actually make the initializer object, and adds it to the appropriate list |
| 198 | in CLASS. |
| 199 | |
| 200 | Unused properties on PSET are diagnosed as errors.")) |
| 201 | |
| 202 | (defgeneric make-sod-class-initializer |
| 203 | (class nick name value-kind value-form pset &optional location) |
| 204 | (:documentation |
| 205 | "Construct and attach a class slot initializer, to CLASS. |
| 206 | |
| 207 | This is the main constructor function for class initializers. This is a |
| 208 | generic function primarily so that the CLASS can intervene in the |
| 209 | construction process. The default method looks up the slot using |
| 210 | FIND-CLASS-SLOT-BY-NAME, calls MAKE-SOD-INITIALIZER-USING-SLOT to actually |
| 211 | make the initializer object, and adds it to the appropriate list in CLASS. |
| 212 | |
| 213 | Unused properties on PSET are diagnosed as errors.")) |
| 214 | |
| 215 | (defgeneric make-sod-initializer-using-slot |
| 216 | (class slot init-class value-kind value-form pset location) |
| 217 | (:documentation |
| 218 | "Common construction protocol for slot initializers. |
| 219 | |
| 220 | This generic function does the common work for constructing instance and |
| 221 | class initializers. It can usefully be specialized according to both the |
| 222 | class and slot types. The default method uses the :LISP-CLASS property |
| 223 | (defaulting to INIT-CLASS) to choose a (CLOS) class to instantiate. The |
| 224 | slot is then constructed by MAKE-INSTANCE passing the arguments as |
| 225 | initargs; further behaviour is left to the standard CLOS instance |
| 226 | construction protocol; for example, SOD-INITIALIZER defines |
| 227 | an :AFTER-method on SHARED-INITIALIZE. |
| 228 | |
| 229 | Diagnosing unused properties is left for the caller (usually |
| 230 | MAKE-SOD-INSTANCE-INITIALIZER or MAKE-SOD-CLASS-INITIALIZER) to do. The |
| 231 | caller is also expected to have set WITH-DEFAULT-ERROR-LOCATION if |
| 232 | appropriate. |
| 233 | |
| 234 | You are not expected to call this generic function directly; it's more |
| 235 | useful as a place to hang methods for custom initializer classes.")) |
| 236 | |
| 237 | (defmethod make-sod-instance-initializer |
| 238 | ((class sod-class) nick name value-kind value-form pset |
| 239 | &optional location) |
| 240 | (with-default-error-location (location) |
| 241 | (let* ((slot (find-instance-slot-by-name class nick name)) |
| 242 | (initializer (make-sod-initializer-using-slot |
| 243 | class slot 'sod-instance-initializer |
| 244 | value-kind value-form pset |
| 245 | (file-location location)))) |
| 246 | (with-slots (instance-initializers) class |
| 247 | (setf instance-initializers (append instance-initializers |
| 248 | (list initializer)))) |
| 249 | (check-unused-properties pset)))) |
| 250 | |
| 251 | (defmethod make-sod-class-initializer |
| 252 | ((class sod-class) nick name value-kind value-form pset |
| 253 | &optional location) |
| 254 | (with-default-error-location (location) |
| 255 | (let* ((slot (find-class-slot-by-name class nick name)) |
| 256 | (initializer (make-sod-initializer-using-slot |
| 257 | class slot 'sod-class-initializer |
| 258 | value-kind value-form pset |
| 259 | (file-location location)))) |
| 260 | (with-slots (class-initializers) class |
| 261 | (setf class-initializers (append class-initializers |
| 262 | (list initializer)))) |
| 263 | (check-unused-properties pset)))) |
| 264 | |
| 265 | (defmethod make-sod-initializer-using-slot |
| 266 | ((class sod-class) (slot sod-slot) |
| 267 | init-class value-kind value-form pset location) |
| 268 | (make-instance (get-property pset :lisp-class :symbol init-class) |
| 269 | :class class |
| 270 | :slot slot |
| 271 | :value-kind value-kind |
| 272 | :value-form value-form |
| 273 | :location location |
| 274 | :pset pset)) |
| 275 | |
| 276 | (defmethod shared-initialize :after |
| 277 | ((init sod-initializer) slot-names &key pset) |
| 278 | "This method exists so that it isn't an error to provide a :PSET initarg |
| 279 | to (make-instance 'sod-initializer ...). It does nothing." |
| 280 | (declare (ignore slot-names pset)) |
| 281 | nil) |
| 282 | |
| 283 | ;;;-------------------------------------------------------------------------- |
| 284 | ;;; Message construction. |
| 285 | |
| 286 | (defgeneric make-sod-message (class name type pset &optional location) |
| 287 | (:documentation |
| 288 | "Construct and attach a new message with given NAME and TYPE, to CLASS. |
| 289 | |
| 290 | This is the main constructor function for messages. This is a generic |
| 291 | function primarily so that the CLASS can intervene in the construction |
| 292 | process. The default method uses the :LISP-CLASS property (defaulting to |
| 293 | SOD-MESSAGE) to choose a (CLOS) class to instantiate. The message is then |
| 294 | constructed by MAKE-INSTANCE passing the arguments as initargs; further |
| 295 | behaviour is left to the standard CLOS instance construction protocol; for |
| 296 | example, SOD-MESSAGE defines an :AFTER-method on SHARED-INITIALIZE. |
| 297 | |
| 298 | Unused properties on PSET are diagnosed as errors.")) |
| 299 | |
| 300 | (defgeneric check-message-type (message type) |
| 301 | (:documentation |
| 302 | "Check that TYPE is a suitable type for MESSAGE. Signal errors if not. |
| 303 | |
| 304 | This is separated out of SHARED-INITIALIZE, where it's called, so that it |
| 305 | can be overridden conveniently by subclasses.")) |
| 306 | |
| 307 | (defmethod make-sod-message |
| 308 | ((class sod-class) name type pset &optional location) |
| 309 | (with-default-error-location (location) |
| 310 | (let ((message (make-instance (get-property pset :lisp-class :symbol |
| 311 | 'standard-message) |
| 312 | :class class |
| 313 | :name name |
| 314 | :type type |
| 315 | :location (file-location location) |
| 316 | :pset pset))) |
| 317 | (with-slots (messages) class |
| 318 | (setf messages (append messages (list message)))) |
| 319 | (check-unused-properties pset)))) |
| 320 | |
| 321 | (defmethod check-message-type ((message sod-message) (type c-function-type)) |
| 322 | nil) |
| 323 | (defmethod check-message-type ((message sod-message) (type c-type)) |
| 324 | (error "Messages must have function type, not ~A" type)) |
| 325 | |
| 326 | (defmethod shared-initialize :after |
| 327 | ((message sod-message) slot-names &key pset) |
| 328 | (declare (ignore slot-names pset)) |
| 329 | (with-slots (type) message |
| 330 | (check-message-type message type))) |
| 331 | |
| 332 | ;;;-------------------------------------------------------------------------- |
| 333 | ;;; Method construction. |
| 334 | |
| 335 | (defgeneric make-sod-method |
| 336 | (class nick name type body pset &optional location) |
| 337 | (:documentation |
| 338 | "Construct and attach a new method to CLASS. |
| 339 | |
| 340 | This is the main constructor function for methods. This is a generic |
| 341 | function primarily so that the CLASS can intervene in the message lookup |
| 342 | process, though this is actually a fairly unlikely occurrence. |
| 343 | |
| 344 | The default method looks up the message using FIND-MESSAGE-BY-NAME, |
| 345 | invokes MAKE-SOD-METHOD-USING-MESSAGE to make the method object, and then |
| 346 | adds the method to the class's list of methods. This split allows the |
| 347 | message class to intervene in the class selection process, for example. |
| 348 | |
| 349 | Unused properties on PSET are diagnosed as errors.")) |
| 350 | |
| 351 | (defgeneric make-sod-method-using-message |
| 352 | (message class type body pset location) |
| 353 | (:documentation |
| 354 | "Main construction subroutine for method construction. |
| 355 | |
| 356 | This is a generic function so that it can be specialized according to both |
| 357 | a class and -- more particularly -- a message. The default method uses |
| 358 | the :LISP-CLASS property (defaulting to calling SOD-MESSAGE-METHOD-CLASS) |
| 359 | to choose a (CLOS) class to instantiate. The method is then constructed |
| 360 | by MAKE-INSTANCE passing the arguments as initargs; further behaviour is |
| 361 | left to the standard CLOS instance construction protocol; for example, |
| 362 | SOD-METHOD defines an :AFTER-method on SHARED-INITIALIZE. |
| 363 | |
| 364 | Diagnosing unused properties is left for the caller (usually |
| 365 | MAKE-SOD-METHOD) to do. The caller is also expected to have set |
| 366 | WITH-DEFAULT-ERROR-LOCATION if appropriate. |
| 367 | |
| 368 | You are not expected to call this generic function directly; it's more |
| 369 | useful as a place to hang methods for custom initializer classes.")) |
| 370 | |
| 371 | (defgeneric sod-message-method-class (message class pset) |
| 372 | (:documentation |
| 373 | "Return the preferred class for methods on MESSAGE. |
| 374 | |
| 375 | The message can inspect the PSET to decide on a particular message. A |
| 376 | :LISP-CLASS property will usually override this decision: it's then the |
| 377 | programmer's responsibility to ensure that the selected method class is |
| 378 | appropriate.")) |
| 379 | |
| 380 | (defgeneric check-method-type (method message type) |
| 381 | (:documentation |
| 382 | "Check that TYPE is a suitable type for METHOD. Signal errors if not. |
| 383 | |
| 384 | This is separated out of SHARED-INITIALIZE, where it's called, so that it |
| 385 | can be overridden conveniently by subclasses.")) |
| 386 | |
| 387 | (defmethod make-sod-method |
| 388 | ((class sod-class) nick name type body pset &optional location) |
| 389 | (with-default-error-location (location) |
| 390 | (let* ((message (find-message-by-name class nick name)) |
| 391 | (method (make-sod-method-using-message message class |
| 392 | type body pset |
| 393 | (file-location location)))) |
| 394 | (with-slots (methods) class |
| 395 | (setf methods (append methods (list method))))) |
| 396 | (check-unused-properties pset))) |
| 397 | |
| 398 | (defmethod make-sod-method-using-message |
| 399 | ((message sod-message) (class sod-class) type body pset location) |
| 400 | (make-instance (or (get-property pset :lisp-class :symbol) |
| 401 | (sod-message-method-class message class pset)) |
| 402 | :message message |
| 403 | :class class |
| 404 | :type type |
| 405 | :body body |
| 406 | :location location |
| 407 | :pset pset)) |
| 408 | |
| 409 | (defmethod sod-message-method-class |
| 410 | ((message sod-message) (class sod-class) pset) |
| 411 | (declare (ignore pset)) |
| 412 | 'sod-method) |
| 413 | |
| 414 | (defmethod check-method-type |
| 415 | ((method sod-method) (message sod-message) (type c-type)) |
| 416 | (error "Methods must have function type, not ~A" type)) |
| 417 | |
| 418 | (defun argument-lists-compatible-p (message-args method-args) |
| 419 | "Compare argument lists for compatibility. |
| 420 | |
| 421 | Return true if METHOD-ARGS is a suitable method argument list |
| 422 | corresponding to the message argument list MESSAGE-ARGS. This is the case |
| 423 | if the lists are the same length, each message argument has a |
| 424 | corresponding method argument with the same type, and if the message |
| 425 | arguments end in an ellpisis, the method arguments must end with a |
| 426 | `va_list' argument. (We can't pass actual variable argument lists around, |
| 427 | except as `va_list' objects, which are devilish inconvenient things and |
| 428 | require much hacking. See the method combination machinery for details.)" |
| 429 | |
| 430 | (and (= (length message-args) (length method-args)) |
| 431 | (every (lambda (message-arg method-arg) |
| 432 | (if (eq message-arg :ellipsis) |
| 433 | (eq method-arg (c-type va-list)) |
| 434 | (c-type-equal-p (argument-type message-arg) |
| 435 | (argument-type method-arg)))) |
| 436 | message-args method-args))) |
| 437 | |
| 438 | (defmethod check-method-type |
| 439 | ((method sod-method) (message sod-message) (type c-function-type)) |
| 440 | (with-slots ((msgtype type)) message |
| 441 | (unless (c-type-equal-p (c-type-subtype msgtype) |
| 442 | (c-type-subtype type)) |
| 443 | (error "Method return type ~A doesn't match message ~A" |
| 444 | (c-type-subtype msgtype) (c-type-subtype type))) |
| 445 | (unless (argument-lists-compatible-p (c-function-arguments msgtype) |
| 446 | (c-function-arguments type)) |
| 447 | (error "Method arguments ~A don't match message ~A" type msgtype)))) |
| 448 | |
| 449 | (defmethod shared-initialize :after |
| 450 | ((method sod-method) slot-names &key pset) |
| 451 | (declare (ignore slot-names pset)) |
| 452 | |
| 453 | ;; Check that the arguments are named if we have a method body. |
| 454 | (with-slots (body type) method |
| 455 | (unless (or (not body) |
| 456 | (every #'argument-name (c-function-arguments type))) |
| 457 | (error "Abstract declarators not permitted in method definitions"))) |
| 458 | |
| 459 | ;; Check the method type. |
| 460 | (with-slots (message type) method |
| 461 | (check-method-type method message type))) |
| 462 | |
| 463 | ;;;-------------------------------------------------------------------------- |
| 464 | ;;; Builder macros. |
| 465 | |
| 466 | (defmacro define-sod-class (name (&rest superclasses) &body body) |
| 467 | (let ((plist nil) |
| 468 | (classvar (gensym "CLASS"))) |
| 469 | (loop |
| 470 | (when (or (null body) |
| 471 | (not (keywordp (car body)))) |
| 472 | (return)) |
| 473 | (push (pop body) plist) |
| 474 | (push (pop body) plist)) |
| 475 | `(let ((,classvar (make-sod-class ,name |
| 476 | (mapcar #'find-sod-class |
| 477 | (list ,@superclasses)) |
| 478 | (make-property-set |
| 479 | ,@(nreverse plist))))) |
| 480 | (macrolet ((message (name type &rest plist) |
| 481 | `(make-sod-message ,',classvar ,name (c-type ,type) |
| 482 | (make-property-set ,@plist))) |
| 483 | (method (nick name type body &rest plist) |
| 484 | `(make-sod-method ,',classvar ,nick ,name (c-type ,type) |
| 485 | ,body (make-property-set ,@plist))) |
| 486 | (slot (name type &rest plist) |
| 487 | `(make-sod-slot ,',classvar ,name (c-type ,type) |
| 488 | (make-property-set ,@plist))) |
| 489 | (instance-initializer |
| 490 | (nick name value-kind value-form &rest plist) |
| 491 | `(make-sod-instance-initializer ,',classvar ,nick ,name |
| 492 | ,value-kind ,value-form |
| 493 | (make-property-set |
| 494 | ,@plist))) |
| 495 | (class-initializer |
| 496 | (nick name value-kind value-form &rest plist) |
| 497 | `(make-sod-class-initializer ,',classvar ,nick ,name |
| 498 | ,value-kind ,value-form |
| 499 | (make-property-set |
| 500 | ,@plist)))) |
| 501 | ,@body |
| 502 | (finalize-sod-class ,classvar) |
| 503 | (add-to-module *module* ,classvar))))) |
| 504 | |
| 505 | ;;;----- That's all, folks -------------------------------------------------- |