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1f1d88f5 MW |
1 | ;;; -*-lisp-*- |
2 | ;;; | |
3 | ;;; Output functions for classes | |
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 | ;;; Utility macro. | |
30 | ||
31 | (defmacro sequence-output | |
32 | ((streamvar sequencer) &body clauses) | |
33 | (let ((seqvar (gensym "SEQ"))) | |
34 | (labels ((convert-item-name (name) | |
35 | (if (listp name) | |
36 | (cons 'list name) | |
37 | name)) | |
38 | (convert-constraint (constraint) | |
39 | (cons 'list (mapcar #'convert-item-name constraint))) | |
40 | (process-body (clauses) | |
41 | (if (eq (car clauses) :constraint) | |
42 | (cons `(add-sequencer-constraint | |
43 | ,seqvar | |
44 | ,(convert-constraint (cadr clauses))) | |
45 | (process-body (cddr clauses))) | |
46 | (mapcar (lambda (clause) | |
47 | (let ((name (car clause)) | |
48 | (body (cdr clause))) | |
49 | `(add-sequencer-item-function | |
50 | ,seqvar | |
51 | ,(convert-item-name name) | |
52 | (lambda (,streamvar) | |
53 | ,@body)))) | |
54 | clauses)))) | |
55 | `(let ((,seqvar ,sequencer)) | |
56 | ,@(process-body clauses))))) | |
57 | ||
58 | ;;;-------------------------------------------------------------------------- | |
59 | ;;; Classes. | |
60 | ||
61 | (defmethod add-output-hooks progn | |
62 | ((class sod-class) (reason (eql :h)) sequencer) | |
63 | ||
64 | ;; Main output sequencing. | |
65 | (sequence-output (stream sequencer) | |
66 | ||
67 | :constraint | |
1f1d88f5 MW |
68 | ((:classes :start) |
69 | (class :banner) | |
70 | (class :islots :start) (class :islots :slots) (class :islots :end) | |
71 | (class :vtmsgs :start) (class :vtmsgs :end) | |
72 | (class :vtables :start) (class :vtables :end) | |
73 | (class :vtable-externs) (class :vtable-externs-after) | |
ddee4bb1 | 74 | (class :methods :start) (class :methods) (class :methods :end) |
1f1d88f5 MW |
75 | (class :ichains :start) (class :ichains :end) |
76 | (class :ilayout :start) (class :ilayout :slots) (class :ilayout :end) | |
77 | (class :conversions) | |
ddee4bb1 | 78 | (class :object) |
1f1d88f5 MW |
79 | (:classes :end)) |
80 | ||
81 | (:typedefs | |
82 | (format stream "typedef struct ~A ~A;~%" | |
83 | (ichain-struct-tag class (sod-class-chain-head class)) class)) | |
84 | ||
85 | ((class :banner) | |
86 | (banner (format nil "Class ~A" class) stream)) | |
87 | ((class :vtable-externs-after) | |
ddee4bb1 MW |
88 | (terpri stream)) |
89 | ||
90 | ((class :vtable-externs) | |
91 | (format stream "/* Vtable structures. */~%")) | |
92 | ||
93 | ((class :object) | |
94 | (let ((metaclass (sod-class-metaclass class)) | |
95 | (metaroot (find-root-metaclass class))) | |
96 | (format stream "/* The class object. */~%~ | |
3be8c2bf | 97 | extern const struct ~A ~A__classobj;~%~ |
ddee4bb1 MW |
98 | #define ~:*~A__class (&~:*~A__classobj.~A.~A)~2%" |
99 | (ilayout-struct-tag metaclass) class | |
100 | (sod-class-nickname (sod-class-chain-head metaroot)) | |
101 | (sod-class-nickname metaroot))))) | |
1f1d88f5 MW |
102 | |
103 | ;; Maybe generate an islots structure. | |
104 | (when (sod-class-slots class) | |
105 | (dolist (slot (sod-class-slots class)) | |
106 | (add-output-hooks slot 'populate-islots sequencer)) | |
107 | (sequence-output (stream sequencer) | |
108 | ((class :islots :start) | |
ddee4bb1 MW |
109 | (format stream "/* Instance slots. */~%~ |
110 | struct ~A {~%" | |
111 | (islots-struct-tag class))) | |
1f1d88f5 MW |
112 | ((class :islots :end) |
113 | (format stream "};~2%")))) | |
114 | ||
115 | ;; Declare the direct methods. | |
116 | (when (sod-class-methods class) | |
1f1d88f5 | 117 | (sequence-output (stream sequencer) |
ddee4bb1 MW |
118 | ((class :methods :start) |
119 | (format stream "/* Direct methods. */~%")) | |
120 | ((class :methods :end) | |
1f1d88f5 MW |
121 | (terpri stream)))) |
122 | ||
123 | ;; Provide upcast macros which do the right thing. | |
124 | (when (sod-class-direct-superclasses class) | |
125 | (sequence-output (stream sequencer) | |
126 | ((class :conversions) | |
127 | (let ((chain-head (sod-class-chain-head class))) | |
ddee4bb1 | 128 | (format stream "/* Conversion macros. */~%") |
1f1d88f5 MW |
129 | (dolist (super (cdr (sod-class-precedence-list class))) |
130 | (let ((super-head (sod-class-chain-head super))) | |
ddee4bb1 MW |
131 | (format stream "#define ~:@(~A__CONV_~A~)(p) ((~A *)~ |
132 | ~:[SOD_XCHAIN(~A, (p))~;(p)~])~%" | |
1f1d88f5 MW |
133 | class (sod-class-nickname super) super |
134 | (eq chain-head super-head) | |
ddee4bb1 MW |
135 | (sod-class-nickname super-head)))) |
136 | (terpri stream))))) | |
1f1d88f5 MW |
137 | |
138 | ;; Generate vtmsgs structure for all superclasses. | |
139 | (add-output-hooks (car (sod-class-vtables class)) | |
140 | 'populate-vtmsgs | |
141 | sequencer)) | |
142 | ||
143 | (defmethod add-output-hooks progn ((class sod-class) reason sequencer) | |
ddee4bb1 | 144 | (with-slots (ilayout vtables methods) class |
1f1d88f5 | 145 | (add-output-hooks ilayout reason sequencer) |
ddee4bb1 | 146 | (dolist (method methods) (add-output-hooks method reason sequencer)) |
1f1d88f5 MW |
147 | (dolist (vtable vtables) (add-output-hooks vtable reason sequencer)))) |
148 | ||
149 | ;;;-------------------------------------------------------------------------- | |
150 | ;;; Instance structure. | |
151 | ||
152 | (defmethod add-output-hooks progn | |
153 | ((slot sod-slot) (reason (eql 'populate-islots)) sequencer) | |
154 | (sequence-output (stream sequencer) | |
155 | (((sod-slot-class slot) :islots :slots) | |
156 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
157 | (pprint-c-type (sod-slot-type slot) stream (sod-slot-name slot))) | |
158 | (terpri stream)))) | |
159 | ||
160 | (defmethod add-output-hooks progn ((ilayout ilayout) reason sequencer) | |
161 | (with-slots (ichains) ilayout | |
162 | (dolist (ichain ichains) (add-output-hooks ichain reason sequencer)))) | |
163 | ||
164 | (defmethod add-output-hooks progn | |
165 | ((ilayout ilayout) (reason (eql :h)) sequencer) | |
166 | (with-slots (class ichains) ilayout | |
167 | (sequence-output (stream sequencer) | |
168 | ((class :ilayout :start) | |
ddee4bb1 MW |
169 | (format stream "/* Instance layout. */~%~ |
170 | struct ~A {~%" | |
171 | (ilayout-struct-tag class))) | |
1f1d88f5 MW |
172 | ((class :ilayout :end) |
173 | (format stream "};~2%"))) | |
174 | (dolist (ichain ichains) | |
175 | (add-output-hooks ichain 'populate-ilayout sequencer)))) | |
176 | ||
177 | (defmethod add-output-hooks progn | |
178 | ((ichain ichain) (reason (eql :h)) sequencer) | |
ddee4bb1 MW |
179 | (with-slots (class chain-head chain-tail) ichain |
180 | (when (eq class chain-tail) | |
181 | (sequence-output (stream sequencer) | |
182 | :constraint ((class :ichains :start) | |
183 | (class :ichain chain-head :start) | |
184 | (class :ichain chain-head :slots) | |
185 | (class :ichain chain-head :end) | |
186 | (class :ichains :end)) | |
187 | ((class :ichain chain-head :start) | |
188 | (format stream "/* Instance chain structure. */~%~ | |
189 | struct ~A {~%" | |
190 | (ichain-struct-tag chain-tail chain-head))) | |
191 | ((class :ichain chain-head :end) | |
192 | (format stream "};~2%") | |
193 | (format stream "/* Union of equivalent superclass chains. */~%~ | |
194 | union ~A {~%~ | |
195 | ~:{ struct ~A ~A;~%~}~ | |
196 | };~2%" | |
197 | (ichain-union-tag chain-tail chain-head) | |
198 | (mapcar (lambda (super) | |
199 | (list (ichain-struct-tag super chain-head) | |
200 | (sod-class-nickname super))) | |
201 | (sod-class-chain chain-tail)))))))) | |
1f1d88f5 MW |
202 | |
203 | (defmethod add-output-hooks progn | |
204 | ((ichain ichain) (reason (eql 'populate-ilayout)) sequencer) | |
ddee4bb1 | 205 | (with-slots (class chain-head chain-tail) ichain |
1f1d88f5 MW |
206 | (sequence-output (stream sequencer) |
207 | ((class :ilayout :slots) | |
ddee4bb1 MW |
208 | (format stream " union ~A ~A;~%" |
209 | (ichain-union-tag chain-tail chain-head) | |
1f1d88f5 MW |
210 | (sod-class-nickname chain-head)))))) |
211 | ||
1f1d88f5 MW |
212 | (defmethod add-output-hooks progn |
213 | ((vtptr vtable-pointer) (reason (eql :h)) sequencer) | |
ddee4bb1 | 214 | (with-slots (class chain-head chain-tail) vtptr |
1f1d88f5 MW |
215 | (sequence-output (stream sequencer) |
216 | ((class :ichain chain-head :slots) | |
217 | (format stream " const struct ~A *_vt;~%" | |
ddee4bb1 | 218 | (vtable-struct-tag chain-tail chain-head)))))) |
1f1d88f5 | 219 | |
3be8c2bf MW |
220 | (defmethod add-output-hooks progn ((islots islots) reason sequencer) |
221 | (dolist (slot (islots-slots islots)) | |
222 | (add-output-hooks slot reason sequencer))) | |
223 | ||
1f1d88f5 MW |
224 | (defmethod add-output-hooks progn |
225 | ((islots islots) (reason (eql :h)) sequencer) | |
226 | (with-slots (class subclass slots) islots | |
227 | (sequence-output (stream sequencer) | |
228 | ((subclass :ichain (sod-class-chain-head class) :slots) | |
229 | (format stream " struct ~A ~A;~%" | |
230 | (islots-struct-tag class) | |
231 | (sod-class-nickname class)))))) | |
232 | ||
233 | ;;;-------------------------------------------------------------------------- | |
234 | ;;; Vtable structure. | |
235 | ||
236 | (defmethod add-output-hooks progn ((vtable vtable) reason sequencer) | |
237 | (with-slots (body) vtable | |
238 | (dolist (item body) (add-output-hooks item reason sequencer)))) | |
239 | ||
240 | (defmethod add-output-hooks progn | |
ddee4bb1 MW |
241 | ((method sod-method) (reason (eql :h)) sequencer) |
242 | (with-slots (class) method | |
243 | (sequence-output (stream sequencer) | |
244 | ((class :methods) | |
245 | (let ((type (sod-method-function-type method))) | |
246 | (princ "extern " stream) | |
247 | (pprint-c-type (commentify-function-type type) stream | |
248 | (sod-method-function-name method)) | |
249 | (format stream ";~%")))))) | |
250 | ||
251 | (defmethod add-output-hooks progn | |
1f1d88f5 | 252 | ((vtable vtable) (reason (eql :h)) sequencer) |
ddee4bb1 MW |
253 | (with-slots (class chain-head chain-tail) vtable |
254 | (when (eq class chain-tail) | |
255 | (sequence-output (stream sequencer) | |
256 | :constraint ((class :vtables :start) | |
257 | (class :vtable chain-head :start) | |
258 | (class :vtable chain-head :slots) | |
259 | (class :vtable chain-head :end) | |
260 | (class :vtables :end)) | |
261 | ((class :vtable chain-head :start) | |
262 | (format stream "/* Vtable structure. */~%~ | |
263 | struct ~A {~%" | |
264 | (vtable-struct-tag chain-tail chain-head))) | |
265 | ((class :vtable chain-head :end) | |
266 | (format stream "};~2%")))) | |
1f1d88f5 | 267 | (sequence-output (stream sequencer) |
1f1d88f5 MW |
268 | ((class :vtable-externs) |
269 | (format stream "~@<extern struct ~A ~2I~_~A__vtable_~A;~:>~%" | |
ddee4bb1 | 270 | (vtable-struct-tag chain-tail chain-head) |
1f1d88f5 MW |
271 | class (sod-class-nickname chain-head)))))) |
272 | ||
273 | (defmethod add-output-hooks progn | |
274 | ((vtmsgs vtmsgs) (reason (eql :h)) sequencer) | |
ddee4bb1 | 275 | (with-slots (class subclass chain-head chain-tail) vtmsgs |
1f1d88f5 MW |
276 | (sequence-output (stream sequencer) |
277 | ((subclass :vtable chain-head :slots) | |
278 | (format stream " struct ~A ~A;~%" | |
279 | (vtmsgs-struct-tag subclass class) | |
280 | (sod-class-nickname class)))))) | |
281 | ||
282 | (defmethod add-output-hooks progn | |
283 | ((vtmsgs vtmsgs) (reason (eql 'populate-vtmsgs)) sequencer) | |
284 | (when (vtmsgs-entries vtmsgs) | |
285 | (with-slots (class subclass) vtmsgs | |
286 | (sequence-output (stream sequencer) | |
287 | :constraint ((subclass :vtmsgs :start) | |
288 | (subclass :vtmsgs class :start) | |
289 | (subclass :vtmsgs class :slots) | |
290 | (subclass :vtmsgs class :end) | |
291 | (subclass :vtmsgs :end)) | |
292 | ((subclass :vtmsgs class :start) | |
ddee4bb1 MW |
293 | (format stream "/* Messages protocol from class ~A */~%~ |
294 | struct ~A {~%" | |
295 | class | |
296 | (vtmsgs-struct-tag subclass class))) | |
1f1d88f5 MW |
297 | ((subclass :vtmsgs class :end) |
298 | (format stream "};~2%")))))) | |
299 | ||
300 | (defmethod add-output-hooks progn ((vtmsgs vtmsgs) reason sequencer) | |
301 | (with-slots (entries) vtmsgs | |
302 | (dolist (entry entries) (add-output-hooks entry reason sequencer)))) | |
303 | ||
304 | (defmethod add-output-hooks progn ((entry method-entry) reason sequencer) | |
305 | (with-slots (method) entry | |
306 | (add-output-hooks method reason sequencer))) | |
307 | ||
308 | (defmethod add-output-hooks progn | |
ddee4bb1 MW |
309 | ((entry method-entry) (reason (eql 'populate-vtmsgs)) sequencer) |
310 | (let* ((method (method-entry-effective-method entry)) | |
311 | (message (effective-method-message method)) | |
1f1d88f5 | 312 | (class (effective-method-class method)) |
ddee4bb1 MW |
313 | (type (method-entry-function-type entry)) |
314 | (commented-type (commentify-function-type type))) | |
1f1d88f5 MW |
315 | (sequence-output (stream sequencer) |
316 | ((class :vtmsgs (sod-message-class message) :slots) | |
317 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
ddee4bb1 | 318 | (pprint-c-type commented-type stream (sod-message-name message))) |
1f1d88f5 MW |
319 | (terpri stream))))) |
320 | ||
321 | (defmethod add-output-hooks progn | |
322 | ((cptr class-pointer) (reason (eql :h)) sequencer) | |
323 | (with-slots (class chain-head metaclass meta-chain-head) cptr | |
324 | (sequence-output (stream sequencer) | |
325 | ((class :vtable chain-head :slots) | |
326 | (format stream " const ~A *~:[_class~;~:*_cls_~A~];~%" | |
327 | metaclass | |
328 | (if (sod-class-direct-superclasses meta-chain-head) | |
329 | (sod-class-nickname meta-chain-head) | |
330 | nil)))))) | |
331 | ||
332 | (defmethod add-output-hooks progn | |
333 | ((boff base-offset) (reason (eql :h)) sequencer) | |
334 | (with-slots (class chain-head) boff | |
335 | (sequence-output (stream sequencer) | |
336 | ((class :vtable chain-head :slots) | |
337 | (write-line " size_t _base;" stream))))) | |
338 | ||
339 | (defmethod add-output-hooks progn | |
340 | ((choff chain-offset) (reason (eql :h)) sequencer) | |
341 | (with-slots (class chain-head target-head) choff | |
342 | (sequence-output (stream sequencer) | |
343 | ((class :vtable chain-head :slots) | |
344 | (format stream " ptrdiff_t _off_~A;~%" | |
345 | (sod-class-nickname target-head)))))) | |
346 | ||
347 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
348 | ;;; Implementation output. |
349 | ||
350 | (defvar *instance-class*) | |
351 | ||
352 | (defmethod add-output-hooks progn | |
353 | ((class sod-class) (reason (eql :c)) sequencer) | |
354 | (sequence-output (stream sequencer) | |
355 | ||
356 | :constraint | |
357 | ((:classes :start) | |
358 | (class :banner) | |
359 | (class :direct-methods :start) (class :direct-methods :end) | |
360 | (class :effective-methods :start) (class :effective-methods :end) | |
361 | (class :vtables :start) (class :vtables :end) | |
362 | (class :object :prepare) (class :object :start) (class :object :end) | |
363 | (:classes :end)) | |
364 | ||
365 | ((class :banner) | |
366 | (banner (format nil "Class ~A" class) stream)) | |
367 | ||
368 | ((class :object :start) | |
369 | (format stream "~ | |
370 | /* The class object. */ | |
371 | const struct ~A ~A__classobj = {~%" | |
372 | (ilayout-struct-tag (sod-class-metaclass class)) | |
373 | class)) | |
374 | ((class :object :end) | |
375 | (format stream "};~2%"))) | |
376 | ||
377 | (let ((*instance-class* class)) | |
378 | (add-output-hooks (sod-class-ilayout (sod-class-metaclass class)) | |
379 | 'populate-class | |
380 | sequencer))) | |
381 | ||
382 | ;;;-------------------------------------------------------------------------- | |
383 | ;;; Direct methods. | |
384 | ||
385 | ;; This could well want splitting out into some more elaborate protocol. We | |
386 | ;; need a bunch of refactoring anyway. | |
387 | ||
388 | (defmethod add-output-hooks progn | |
389 | ((method delegating-direct-method) (reason (eql :c)) sequencer) | |
390 | (with-slots (class body) method | |
391 | (unless body | |
392 | (return-from add-output-hooks)) | |
393 | (sequence-output (stream sequencer) | |
394 | ((class :direct-method method :start) | |
395 | (format stream "#define CALL_NEXT_METHOD (next_method(~{~A~^, ~}))~%" | |
396 | (mapcar #'argument-name | |
397 | (c-function-arguments (sod-method-next-method-type | |
398 | method))))) | |
399 | ((class :direct-method method :end) | |
400 | (format stream "#undef CALL_NEXT_METHOD~%"))))) | |
401 | ||
402 | (defmethod add-output-hooks progn | |
403 | ((method sod-method) (reason (eql :c)) sequencer) | |
404 | (with-slots (class body) method | |
405 | (unless body | |
406 | (return-from add-output-hooks)) | |
407 | (sequence-output (stream sequencer) | |
408 | :constraint ((class :direct-methods :start) | |
409 | (class :direct-method method :start) | |
410 | (class :direct-method method :body) | |
411 | (class :direct-method method :end) | |
412 | (class :direct-methods :end)) | |
413 | ((class :direct-method method :body) | |
414 | (pprint-c-type (sod-method-function-type method) | |
415 | stream | |
416 | (sod-method-function-name method)) | |
417 | (format stream "~&{~%") | |
418 | (write body :stream stream :pretty nil :escape nil) | |
419 | (format stream "~&}~%")) | |
420 | ((class :direct-method method :end) | |
421 | (terpri stream))))) | |
422 | ||
423 | ;;;-------------------------------------------------------------------------- | |
424 | ;;; Filling in the class object. | |
425 | ||
426 | (defmethod add-output-hooks progn | |
427 | ((ichain ichain) (reason (eql 'populate-class)) sequencer) | |
428 | (with-slots (class chain-head) ichain | |
429 | (sequence-output (stream sequencer) | |
430 | :constraint ((*instance-class* :object :start) | |
431 | (*instance-class* :object chain-head :ichain :start) | |
432 | (*instance-class* :object chain-head :ichain :end) | |
433 | (*instance-class* :object :end)) | |
434 | ((*instance-class* :object chain-head :ichain :start) | |
435 | (format stream " { { /* ~A ichain */~%" | |
436 | (sod-class-nickname chain-head))) | |
437 | ((*instance-class* :object chain-head :ichain :end) | |
438 | (format stream " } },~%"))))) | |
439 | ||
440 | (defmethod add-output-hooks progn | |
441 | ((islots islots) (reason (eql 'populate-class)) sequencer) | |
442 | (with-slots (class) islots | |
443 | (let ((chain-head (sod-class-chain-head class))) | |
444 | (sequence-output (stream sequencer) | |
445 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
446 | (*instance-class* :object class :slots :start) | |
447 | (*instance-class* :object class :slots) | |
448 | (*instance-class* :object class :slots :end) | |
449 | (*instance-class* :object chain-head :ichain :end)) | |
450 | ((*instance-class* :object class :slots :start) | |
451 | (format stream " { /* Class ~A */~%" class)) | |
452 | ((*instance-class* :object class :slots :end) | |
453 | (format stream " },~%")))))) | |
454 | ||
455 | (defmethod add-output-hooks progn | |
456 | ((vtptr vtable-pointer) (reason (eql 'populate-class)) sequencer) | |
457 | (with-slots (class chain-head chain-tail) vtptr | |
458 | (sequence-output (stream sequencer) | |
459 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
460 | (*instance-class* :object chain-head :vtable) | |
461 | (*instance-class* :object chain-head :ichain :end)) | |
462 | ((*instance-class* :object chain-head :vtable) | |
463 | (format stream " &~A__vtable_~A,~%" | |
464 | class (sod-class-nickname chain-head)))))) | |
465 | ||
466 | (defgeneric find-class-initializer (slot class) | |
467 | (:method ((slot effective-slot) (class sod-class)) | |
468 | (let ((dslot (effective-slot-direct-slot slot))) | |
469 | (or (some (lambda (super) | |
470 | (find dslot (sod-class-class-initializers super) | |
471 | :test #'sod-initializer-slot)) | |
472 | (sod-class-precedence-list class)) | |
473 | (effective-slot-initializer slot))))) | |
474 | ||
475 | (defgeneric output-class-initializer (slot instance stream) | |
476 | (:method ((slot sod-class-effective-slot) (instance sod-class) stream) | |
477 | (let ((func (effective-slot-initializer-function slot))) | |
478 | (if func | |
479 | (format stream " ~A,~%" (funcall func instance)) | |
480 | (call-next-method)))) | |
481 | (:method ((slot effective-slot) (instance sod-class) stream) | |
482 | (let ((init (find-class-initializer slot instance))) | |
483 | (ecase (sod-initializer-value-kind init) | |
484 | (:simple (format stream " ~A,~%" | |
485 | (sod-initializer-value-form init))) | |
486 | (:compound (format stream " ~@<{ ~;~A~; },~:>~%" | |
487 | (sod-initializer-value-form init))))))) | |
488 | ||
489 | (defmethod add-output-hooks progn ((slot sod-class-effective-slot) | |
490 | (reason (eql 'populate-class)) | |
491 | sequencer) | |
492 | (let ((instance *instance-class*) | |
493 | (func (effective-slot-prepare-function slot))) | |
494 | (when func | |
495 | (sequence-output (stream sequencer) | |
496 | ((instance :object :prepare) | |
497 | (funcall func instance stream)))))) | |
498 | ||
499 | (defmethod add-output-hooks progn | |
500 | ((slot effective-slot) (reason (eql 'populate-class)) sequencer) | |
501 | (with-slots (class (dslot slot)) slot | |
502 | (let ((instance *instance-class*) | |
503 | (super (sod-slot-class dslot))) | |
504 | (sequence-output (stream sequencer) | |
505 | ((instance :object super :slots) | |
506 | (output-class-initializer slot instance stream)))))) | |
507 | ||
508 | ;;;-------------------------------------------------------------------------- | |
1f1d88f5 MW |
509 | ;;; Testing. |
510 | ||
511 | #+test | |
512 | (defun test (name) | |
513 | (let ((sequencer (make-instance 'sequencer)) | |
514 | (class (find-sod-class name))) | |
515 | (add-output-hooks class :h sequencer) | |
516 | (invoke-sequencer-items sequencer *standard-output*) | |
517 | sequencer)) | |
518 | ||
519 | ;;;----- That's all, folks -------------------------------------------------- |