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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 | ;;;-------------------------------------------------------------------------- | |
1f1d88f5 MW |
29 | ;;; Classes. |
30 | ||
dea4d055 MW |
31 | (defmethod hook-output progn ((class sod-class) (reason (eql :h)) |
32 | sequencer) | |
1f1d88f5 MW |
33 | |
34 | ;; Main output sequencing. | |
35 | (sequence-output (stream sequencer) | |
36 | ||
37 | :constraint | |
1f1d88f5 MW |
38 | ((:classes :start) |
39 | (class :banner) | |
40 | (class :islots :start) (class :islots :slots) (class :islots :end) | |
41 | (class :vtmsgs :start) (class :vtmsgs :end) | |
42 | (class :vtables :start) (class :vtables :end) | |
43 | (class :vtable-externs) (class :vtable-externs-after) | |
ddee4bb1 | 44 | (class :methods :start) (class :methods) (class :methods :end) |
1f1d88f5 MW |
45 | (class :ichains :start) (class :ichains :end) |
46 | (class :ilayout :start) (class :ilayout :slots) (class :ilayout :end) | |
47 | (class :conversions) | |
ddee4bb1 | 48 | (class :object) |
1f1d88f5 MW |
49 | (:classes :end)) |
50 | ||
51 | (:typedefs | |
52 | (format stream "typedef struct ~A ~A;~%" | |
53 | (ichain-struct-tag class (sod-class-chain-head class)) class)) | |
54 | ||
55 | ((class :banner) | |
56 | (banner (format nil "Class ~A" class) stream)) | |
57 | ((class :vtable-externs-after) | |
ddee4bb1 MW |
58 | (terpri stream)) |
59 | ||
60 | ((class :vtable-externs) | |
61 | (format stream "/* Vtable structures. */~%")) | |
62 | ||
63 | ((class :object) | |
64 | (let ((metaclass (sod-class-metaclass class)) | |
65 | (metaroot (find-root-metaclass class))) | |
a07d8d00 MW |
66 | (format stream "/* The class object. */~@ |
67 | extern const struct ~A ~A__classobj;~@ | |
ddee4bb1 MW |
68 | #define ~:*~A__class (&~:*~A__classobj.~A.~A)~2%" |
69 | (ilayout-struct-tag metaclass) class | |
70 | (sod-class-nickname (sod-class-chain-head metaroot)) | |
71 | (sod-class-nickname metaroot))))) | |
1f1d88f5 MW |
72 | |
73 | ;; Maybe generate an islots structure. | |
74 | (when (sod-class-slots class) | |
75 | (dolist (slot (sod-class-slots class)) | |
dea4d055 | 76 | (hook-output slot 'islots sequencer)) |
1f1d88f5 MW |
77 | (sequence-output (stream sequencer) |
78 | ((class :islots :start) | |
a07d8d00 | 79 | (format stream "/* Instance slots. */~@ |
ddee4bb1 MW |
80 | struct ~A {~%" |
81 | (islots-struct-tag class))) | |
1f1d88f5 MW |
82 | ((class :islots :end) |
83 | (format stream "};~2%")))) | |
84 | ||
85 | ;; Declare the direct methods. | |
86 | (when (sod-class-methods class) | |
1f1d88f5 | 87 | (sequence-output (stream sequencer) |
ddee4bb1 MW |
88 | ((class :methods :start) |
89 | (format stream "/* Direct methods. */~%")) | |
90 | ((class :methods :end) | |
1f1d88f5 MW |
91 | (terpri stream)))) |
92 | ||
93 | ;; Provide upcast macros which do the right thing. | |
94 | (when (sod-class-direct-superclasses class) | |
95 | (sequence-output (stream sequencer) | |
96 | ((class :conversions) | |
97 | (let ((chain-head (sod-class-chain-head class))) | |
ddee4bb1 | 98 | (format stream "/* Conversion macros. */~%") |
1f1d88f5 MW |
99 | (dolist (super (cdr (sod-class-precedence-list class))) |
100 | (let ((super-head (sod-class-chain-head super))) | |
ddee4bb1 MW |
101 | (format stream "#define ~:@(~A__CONV_~A~)(p) ((~A *)~ |
102 | ~:[SOD_XCHAIN(~A, (p))~;(p)~])~%" | |
1f1d88f5 MW |
103 | class (sod-class-nickname super) super |
104 | (eq chain-head super-head) | |
ddee4bb1 MW |
105 | (sod-class-nickname super-head)))) |
106 | (terpri stream))))) | |
1f1d88f5 MW |
107 | |
108 | ;; Generate vtmsgs structure for all superclasses. | |
dea4d055 MW |
109 | (hook-output (car (sod-class-vtables class)) |
110 | 'vtmsgs | |
1f1d88f5 MW |
111 | sequencer)) |
112 | ||
dea4d055 | 113 | (defmethod hook-output progn ((class sod-class) reason sequencer) |
a07d8d00 | 114 | (with-slots (ilayout vtables methods effective-methods) class |
dea4d055 MW |
115 | (hook-output ilayout reason sequencer) |
116 | (dolist (method methods) (hook-output method reason sequencer)) | |
a07d8d00 | 117 | (dolist (method effective-methods) |
dea4d055 MW |
118 | (hook-output method reason sequencer)) |
119 | (dolist (vtable vtables) (hook-output vtable reason sequencer)))) | |
1f1d88f5 MW |
120 | |
121 | ;;;-------------------------------------------------------------------------- | |
122 | ;;; Instance structure. | |
123 | ||
dea4d055 MW |
124 | (defmethod hook-output progn ((slot sod-slot) (reason (eql 'islots)) |
125 | sequencer) | |
1f1d88f5 MW |
126 | (sequence-output (stream sequencer) |
127 | (((sod-slot-class slot) :islots :slots) | |
128 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
129 | (pprint-c-type (sod-slot-type slot) stream (sod-slot-name slot))) | |
130 | (terpri stream)))) | |
131 | ||
dea4d055 | 132 | (defmethod hook-output progn ((ilayout ilayout) reason sequencer) |
1f1d88f5 | 133 | (with-slots (ichains) ilayout |
dea4d055 | 134 | (dolist (ichain ichains) (hook-output ichain reason sequencer)))) |
1f1d88f5 | 135 | |
dea4d055 MW |
136 | (defmethod hook-output progn ((ichain ichain) reason sequencer) |
137 | (dolist (item (ichain-body ichain)) | |
138 | (hook-output item reason sequencer))) | |
139 | ||
140 | (defmethod hook-output progn ((ilayout ilayout) (reason (eql :h)) | |
141 | sequencer) | |
1f1d88f5 MW |
142 | (with-slots (class ichains) ilayout |
143 | (sequence-output (stream sequencer) | |
144 | ((class :ilayout :start) | |
a07d8d00 | 145 | (format stream "/* Instance layout. */~@ |
ddee4bb1 MW |
146 | struct ~A {~%" |
147 | (ilayout-struct-tag class))) | |
1f1d88f5 MW |
148 | ((class :ilayout :end) |
149 | (format stream "};~2%"))) | |
150 | (dolist (ichain ichains) | |
dea4d055 | 151 | (hook-output ichain 'ilayout sequencer)))) |
1f1d88f5 | 152 | |
dea4d055 MW |
153 | (defmethod hook-output progn ((ichain ichain) (reason (eql :h)) |
154 | sequencer) | |
ddee4bb1 MW |
155 | (with-slots (class chain-head chain-tail) ichain |
156 | (when (eq class chain-tail) | |
157 | (sequence-output (stream sequencer) | |
158 | :constraint ((class :ichains :start) | |
159 | (class :ichain chain-head :start) | |
160 | (class :ichain chain-head :slots) | |
161 | (class :ichain chain-head :end) | |
162 | (class :ichains :end)) | |
163 | ((class :ichain chain-head :start) | |
a07d8d00 | 164 | (format stream "/* Instance chain structure. */~@ |
ddee4bb1 MW |
165 | struct ~A {~%" |
166 | (ichain-struct-tag chain-tail chain-head))) | |
167 | ((class :ichain chain-head :end) | |
168 | (format stream "};~2%") | |
a07d8d00 MW |
169 | (format stream "/* Union of equivalent superclass chains. */~@ |
170 | union ~A {~@ | |
ddee4bb1 MW |
171 | ~:{ struct ~A ~A;~%~}~ |
172 | };~2%" | |
173 | (ichain-union-tag chain-tail chain-head) | |
dea4d055 MW |
174 | |
175 | ;; Make sure the most specific class is first: only the | |
176 | ;; first element of a union can be statically initialized in | |
177 | ;; C90. | |
ddee4bb1 MW |
178 | (mapcar (lambda (super) |
179 | (list (ichain-struct-tag super chain-head) | |
180 | (sod-class-nickname super))) | |
181 | (sod-class-chain chain-tail)))))))) | |
1f1d88f5 | 182 | |
dea4d055 MW |
183 | (defmethod hook-output progn ((ichain ichain) (reason (eql 'ilayout)) |
184 | sequencer) | |
ddee4bb1 | 185 | (with-slots (class chain-head chain-tail) ichain |
1f1d88f5 MW |
186 | (sequence-output (stream sequencer) |
187 | ((class :ilayout :slots) | |
ddee4bb1 MW |
188 | (format stream " union ~A ~A;~%" |
189 | (ichain-union-tag chain-tail chain-head) | |
1f1d88f5 MW |
190 | (sod-class-nickname chain-head)))))) |
191 | ||
dea4d055 MW |
192 | (defmethod hook-output progn ((vtptr vtable-pointer) (reason (eql :h)) |
193 | sequencer) | |
ddee4bb1 | 194 | (with-slots (class chain-head chain-tail) vtptr |
1f1d88f5 MW |
195 | (sequence-output (stream sequencer) |
196 | ((class :ichain chain-head :slots) | |
197 | (format stream " const struct ~A *_vt;~%" | |
ddee4bb1 | 198 | (vtable-struct-tag chain-tail chain-head)))))) |
1f1d88f5 | 199 | |
dea4d055 | 200 | (defmethod hook-output progn ((islots islots) reason sequencer) |
3be8c2bf | 201 | (dolist (slot (islots-slots islots)) |
dea4d055 | 202 | (hook-output slot reason sequencer))) |
3be8c2bf | 203 | |
dea4d055 MW |
204 | (defmethod hook-output progn ((islots islots) (reason (eql :h)) |
205 | sequencer) | |
1f1d88f5 MW |
206 | (with-slots (class subclass slots) islots |
207 | (sequence-output (stream sequencer) | |
208 | ((subclass :ichain (sod-class-chain-head class) :slots) | |
209 | (format stream " struct ~A ~A;~%" | |
210 | (islots-struct-tag class) | |
211 | (sod-class-nickname class)))))) | |
212 | ||
213 | ;;;-------------------------------------------------------------------------- | |
214 | ;;; Vtable structure. | |
215 | ||
dea4d055 | 216 | (defmethod hook-output progn ((vtable vtable) reason sequencer) |
1f1d88f5 | 217 | (with-slots (body) vtable |
dea4d055 | 218 | (dolist (item body) (hook-output item reason sequencer)))) |
1f1d88f5 | 219 | |
dea4d055 MW |
220 | (defmethod hook-output progn ((method sod-method) (reason (eql :h)) |
221 | sequencer) | |
ddee4bb1 MW |
222 | (with-slots (class) method |
223 | (sequence-output (stream sequencer) | |
224 | ((class :methods) | |
225 | (let ((type (sod-method-function-type method))) | |
226 | (princ "extern " stream) | |
227 | (pprint-c-type (commentify-function-type type) stream | |
228 | (sod-method-function-name method)) | |
229 | (format stream ";~%")))))) | |
230 | ||
dea4d055 MW |
231 | (defmethod hook-output progn ((vtable vtable) (reason (eql :h)) |
232 | sequencer) | |
ddee4bb1 MW |
233 | (with-slots (class chain-head chain-tail) vtable |
234 | (when (eq class chain-tail) | |
235 | (sequence-output (stream sequencer) | |
236 | :constraint ((class :vtables :start) | |
237 | (class :vtable chain-head :start) | |
238 | (class :vtable chain-head :slots) | |
239 | (class :vtable chain-head :end) | |
240 | (class :vtables :end)) | |
241 | ((class :vtable chain-head :start) | |
a07d8d00 | 242 | (format stream "/* Vtable structure. */~@ |
ddee4bb1 MW |
243 | struct ~A {~%" |
244 | (vtable-struct-tag chain-tail chain-head))) | |
245 | ((class :vtable chain-head :end) | |
246 | (format stream "};~2%")))) | |
1f1d88f5 | 247 | (sequence-output (stream sequencer) |
1f1d88f5 MW |
248 | ((class :vtable-externs) |
249 | (format stream "~@<extern struct ~A ~2I~_~A__vtable_~A;~:>~%" | |
ddee4bb1 | 250 | (vtable-struct-tag chain-tail chain-head) |
1f1d88f5 MW |
251 | class (sod-class-nickname chain-head)))))) |
252 | ||
dea4d055 MW |
253 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :h)) |
254 | sequencer) | |
ddee4bb1 | 255 | (with-slots (class subclass chain-head chain-tail) vtmsgs |
1f1d88f5 MW |
256 | (sequence-output (stream sequencer) |
257 | ((subclass :vtable chain-head :slots) | |
258 | (format stream " struct ~A ~A;~%" | |
259 | (vtmsgs-struct-tag subclass class) | |
260 | (sod-class-nickname class)))))) | |
261 | ||
dea4d055 MW |
262 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql 'vtmsgs)) |
263 | sequencer) | |
1f1d88f5 MW |
264 | (when (vtmsgs-entries vtmsgs) |
265 | (with-slots (class subclass) vtmsgs | |
266 | (sequence-output (stream sequencer) | |
267 | :constraint ((subclass :vtmsgs :start) | |
268 | (subclass :vtmsgs class :start) | |
269 | (subclass :vtmsgs class :slots) | |
270 | (subclass :vtmsgs class :end) | |
271 | (subclass :vtmsgs :end)) | |
272 | ((subclass :vtmsgs class :start) | |
a07d8d00 | 273 | (format stream "/* Messages protocol from class ~A */~@ |
ddee4bb1 MW |
274 | struct ~A {~%" |
275 | class | |
276 | (vtmsgs-struct-tag subclass class))) | |
1f1d88f5 MW |
277 | ((subclass :vtmsgs class :end) |
278 | (format stream "};~2%")))))) | |
279 | ||
dea4d055 | 280 | (defmethod hook-output progn ((vtmsgs vtmsgs) reason sequencer) |
1f1d88f5 | 281 | (with-slots (entries) vtmsgs |
dea4d055 | 282 | (dolist (entry entries) (hook-output entry reason sequencer)))) |
1f1d88f5 | 283 | |
dea4d055 | 284 | (defmethod hook-output progn ((entry method-entry) reason sequencer) |
1f1d88f5 | 285 | (with-slots (method) entry |
dea4d055 | 286 | (hook-output method reason sequencer))) |
1f1d88f5 | 287 | |
dea4d055 MW |
288 | (defmethod hook-output progn ((entry method-entry) (reason (eql 'vtmsgs)) |
289 | sequencer) | |
ddee4bb1 MW |
290 | (let* ((method (method-entry-effective-method entry)) |
291 | (message (effective-method-message method)) | |
1f1d88f5 | 292 | (class (effective-method-class method)) |
ddee4bb1 MW |
293 | (type (method-entry-function-type entry)) |
294 | (commented-type (commentify-function-type type))) | |
1f1d88f5 MW |
295 | (sequence-output (stream sequencer) |
296 | ((class :vtmsgs (sod-message-class message) :slots) | |
297 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
ddee4bb1 | 298 | (pprint-c-type commented-type stream (sod-message-name message))) |
1f1d88f5 MW |
299 | (terpri stream))))) |
300 | ||
dea4d055 MW |
301 | (defmethod hook-output progn ((cptr class-pointer) (reason (eql :h)) |
302 | sequencer) | |
1f1d88f5 MW |
303 | (with-slots (class chain-head metaclass meta-chain-head) cptr |
304 | (sequence-output (stream sequencer) | |
305 | ((class :vtable chain-head :slots) | |
306 | (format stream " const ~A *~:[_class~;~:*_cls_~A~];~%" | |
307 | metaclass | |
308 | (if (sod-class-direct-superclasses meta-chain-head) | |
309 | (sod-class-nickname meta-chain-head) | |
310 | nil)))))) | |
311 | ||
dea4d055 MW |
312 | (defmethod hook-output progn ((boff base-offset) (reason (eql :h)) |
313 | sequencer) | |
1f1d88f5 MW |
314 | (with-slots (class chain-head) boff |
315 | (sequence-output (stream sequencer) | |
316 | ((class :vtable chain-head :slots) | |
317 | (write-line " size_t _base;" stream))))) | |
318 | ||
dea4d055 MW |
319 | (defmethod hook-output progn ((choff chain-offset) (reason (eql :h)) |
320 | sequencer) | |
1f1d88f5 MW |
321 | (with-slots (class chain-head target-head) choff |
322 | (sequence-output (stream sequencer) | |
323 | ((class :vtable chain-head :slots) | |
324 | (format stream " ptrdiff_t _off_~A;~%" | |
325 | (sod-class-nickname target-head)))))) | |
326 | ||
327 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
328 | ;;; Implementation output. |
329 | ||
330 | (defvar *instance-class*) | |
331 | ||
dea4d055 MW |
332 | (defmethod hook-output progn ((class sod-class) (reason (eql :c)) |
333 | sequencer) | |
3be8c2bf MW |
334 | (sequence-output (stream sequencer) |
335 | ||
336 | :constraint | |
337 | ((:classes :start) | |
338 | (class :banner) | |
339 | (class :direct-methods :start) (class :direct-methods :end) | |
a07d8d00 | 340 | (class :effective-methods) |
3be8c2bf MW |
341 | (class :vtables :start) (class :vtables :end) |
342 | (class :object :prepare) (class :object :start) (class :object :end) | |
343 | (:classes :end)) | |
344 | ||
345 | ((class :banner) | |
346 | (banner (format nil "Class ~A" class) stream)) | |
347 | ||
348 | ((class :object :start) | |
349 | (format stream "~ | |
350 | /* The class object. */ | |
351 | const struct ~A ~A__classobj = {~%" | |
352 | (ilayout-struct-tag (sod-class-metaclass class)) | |
353 | class)) | |
354 | ((class :object :end) | |
355 | (format stream "};~2%"))) | |
356 | ||
357 | (let ((*instance-class* class)) | |
dea4d055 MW |
358 | (hook-output (sod-class-ilayout (sod-class-metaclass class)) |
359 | 'class | |
3be8c2bf MW |
360 | sequencer))) |
361 | ||
362 | ;;;-------------------------------------------------------------------------- | |
363 | ;;; Direct methods. | |
364 | ||
dea4d055 MW |
365 | (defmethod hook-output progn ((method delegating-direct-method) (reason (eql :c)) |
366 | sequencer) | |
3be8c2bf MW |
367 | (with-slots (class body) method |
368 | (unless body | |
dea4d055 | 369 | (return-from hook-output)) |
3be8c2bf MW |
370 | (sequence-output (stream sequencer) |
371 | ((class :direct-method method :start) | |
372 | (format stream "#define CALL_NEXT_METHOD (next_method(~{~A~^, ~}))~%" | |
373 | (mapcar #'argument-name | |
374 | (c-function-arguments (sod-method-next-method-type | |
375 | method))))) | |
376 | ((class :direct-method method :end) | |
377 | (format stream "#undef CALL_NEXT_METHOD~%"))))) | |
378 | ||
dea4d055 MW |
379 | (defmethod hook-output progn ((method sod-method) (reason (eql :c)) |
380 | sequencer) | |
3be8c2bf MW |
381 | (with-slots (class body) method |
382 | (unless body | |
dea4d055 | 383 | (return-from hook-output)) |
3be8c2bf MW |
384 | (sequence-output (stream sequencer) |
385 | :constraint ((class :direct-methods :start) | |
386 | (class :direct-method method :start) | |
387 | (class :direct-method method :body) | |
388 | (class :direct-method method :end) | |
389 | (class :direct-methods :end)) | |
390 | ((class :direct-method method :body) | |
391 | (pprint-c-type (sod-method-function-type method) | |
392 | stream | |
393 | (sod-method-function-name method)) | |
394 | (format stream "~&{~%") | |
395 | (write body :stream stream :pretty nil :escape nil) | |
396 | (format stream "~&}~%")) | |
397 | ((class :direct-method method :end) | |
398 | (terpri stream))))) | |
399 | ||
400 | ;;;-------------------------------------------------------------------------- | |
a07d8d00 MW |
401 | ;;; Vtables. |
402 | ||
dea4d055 MW |
403 | (defmethod hook-output progn ((vtable vtable) (reason (eql :c)) |
404 | sequencer) | |
a07d8d00 MW |
405 | (with-slots (class chain-head chain-tail) vtable |
406 | (sequence-output (stream sequencer) | |
407 | :constraint ((class :vtables :start) | |
408 | (class :vtable chain-head :start) | |
409 | (class :vtable chain-head :end) | |
410 | (class :vtables :end)) | |
411 | ((class :vtable chain-head :start) | |
412 | (format stream "/* Vtable for ~A chain. */~@ | |
413 | static const struct ~A ~A = {~%" | |
414 | chain-head | |
415 | (vtable-struct-tag chain-tail chain-head) | |
416 | (vtable-name chain-tail chain-head))) | |
417 | ((class :vtable chain-head :end) | |
418 | (format stream "};~2%"))))) | |
419 | ||
dea4d055 MW |
420 | (defmethod hook-output progn ((cptr class-pointer) (reason (eql :c)) |
421 | sequencer) | |
a07d8d00 MW |
422 | (with-slots (class chain-head metaclass meta-chain-head) cptr |
423 | (sequence-output (stream sequencer) | |
424 | :constraint ((class :vtable chain-head :start) | |
425 | (class :vtable chain-head :class-pointer metaclass) | |
426 | (class :vtable chain-head :end)) | |
427 | ((class :vtable chain-head :class-pointer metaclass) | |
428 | (format stream " &~A__classobj.~A.~A,~%" | |
429 | (sod-class-metaclass class) | |
430 | (sod-class-nickname meta-chain-head) | |
431 | (sod-class-nickname metaclass)))))) | |
432 | ||
dea4d055 MW |
433 | (defmethod hook-output progn ((boff base-offset) (reason (eql :c)) |
434 | sequencer) | |
a07d8d00 MW |
435 | (with-slots (class chain-head) boff |
436 | (sequence-output (stream sequencer) | |
437 | :constraint ((class :vtable chain-head :start) | |
438 | (class :vtable chain-head :base-offset) | |
439 | (class :vtable chain-head :end)) | |
440 | ((class :vtable chain-head :base-offset) | |
441 | (format stream " offsetof(struct ~A, ~A),~%" | |
442 | (ilayout-struct-tag class) | |
443 | (sod-class-nickname chain-head)))))) | |
444 | ||
dea4d055 MW |
445 | (defmethod hook-output progn ((choff chain-offset) (reason (eql :c)) |
446 | sequencer) | |
a07d8d00 MW |
447 | (with-slots (class chain-head target-head) choff |
448 | (sequence-output (stream sequencer) | |
449 | :constraint ((class :vtable chain-head :start) | |
450 | (class :vtable chain-head :chain-offset target-head) | |
451 | (class :vtable chain-head :end)) | |
452 | ((class :vtable chain-head :chain-offset target-head) | |
453 | (format stream " SOD_OFFSETDIFF(struct ~A, ~A, ~A),~%" | |
454 | (ilayout-struct-tag class) | |
455 | (sod-class-nickname chain-head) | |
456 | (sod-class-nickname target-head)))))) | |
457 | ||
dea4d055 MW |
458 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :c)) |
459 | sequencer) | |
a07d8d00 MW |
460 | (with-slots (class subclass chain-head) vtmsgs |
461 | (sequence-output (stream sequencer) | |
462 | :constraint ((subclass :vtable chain-head :start) | |
463 | (subclass :vtable chain-head :vtmsgs class :start) | |
464 | (subclass :vtable chain-head :vtmsgs class :slots) | |
465 | (subclass :vtable chain-head :vtmsgs class :end) | |
466 | (subclass :vtable chain-head :end)) | |
467 | ((subclass :vtable chain-head :vtmsgs class :start) | |
468 | (format stream " { /* Method entries for ~A messages. */~%" | |
469 | class)) | |
470 | ((subclass :vtable chain-head :vtmsgs class :end) | |
471 | (format stream " },~%"))))) | |
472 | ||
dea4d055 MW |
473 | (defmethod hook-output progn ((entry method-entry) (reason (eql :c)) |
474 | sequencer) | |
a07d8d00 MW |
475 | (with-slots (method chain-head chain-tail) entry |
476 | (let* ((message (effective-method-message method)) | |
477 | (class (effective-method-class method)) | |
478 | (super (sod-message-class message))) | |
479 | (sequence-output (stream sequencer) | |
480 | ((class :vtable chain-head :vtmsgs super :slots) | |
481 | (format stream " ~A,~%" | |
482 | (method-entry-function-name method chain-head))))))) | |
483 | ||
484 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
485 | ;;; Filling in the class object. |
486 | ||
dea4d055 MW |
487 | (defmethod hook-output progn ((ichain ichain) (reason (eql 'class)) |
488 | sequencer) | |
3be8c2bf MW |
489 | (with-slots (class chain-head) ichain |
490 | (sequence-output (stream sequencer) | |
491 | :constraint ((*instance-class* :object :start) | |
492 | (*instance-class* :object chain-head :ichain :start) | |
493 | (*instance-class* :object chain-head :ichain :end) | |
494 | (*instance-class* :object :end)) | |
495 | ((*instance-class* :object chain-head :ichain :start) | |
496 | (format stream " { { /* ~A ichain */~%" | |
497 | (sod-class-nickname chain-head))) | |
498 | ((*instance-class* :object chain-head :ichain :end) | |
499 | (format stream " } },~%"))))) | |
500 | ||
dea4d055 MW |
501 | (defmethod hook-output progn ((islots islots) (reason (eql 'class)) |
502 | sequencer) | |
3be8c2bf MW |
503 | (with-slots (class) islots |
504 | (let ((chain-head (sod-class-chain-head class))) | |
505 | (sequence-output (stream sequencer) | |
506 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
507 | (*instance-class* :object class :slots :start) | |
508 | (*instance-class* :object class :slots) | |
509 | (*instance-class* :object class :slots :end) | |
510 | (*instance-class* :object chain-head :ichain :end)) | |
511 | ((*instance-class* :object class :slots :start) | |
512 | (format stream " { /* Class ~A */~%" class)) | |
513 | ((*instance-class* :object class :slots :end) | |
514 | (format stream " },~%")))))) | |
515 | ||
dea4d055 MW |
516 | (defmethod hook-output progn ((vtptr vtable-pointer) (reason (eql 'class)) |
517 | sequencer) | |
3be8c2bf MW |
518 | (with-slots (class chain-head chain-tail) vtptr |
519 | (sequence-output (stream sequencer) | |
520 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
521 | (*instance-class* :object chain-head :vtable) | |
522 | (*instance-class* :object chain-head :ichain :end)) | |
523 | ((*instance-class* :object chain-head :vtable) | |
524 | (format stream " &~A__vtable_~A,~%" | |
525 | class (sod-class-nickname chain-head)))))) | |
526 | ||
527 | (defgeneric find-class-initializer (slot class) | |
528 | (:method ((slot effective-slot) (class sod-class)) | |
529 | (let ((dslot (effective-slot-direct-slot slot))) | |
530 | (or (some (lambda (super) | |
531 | (find dslot (sod-class-class-initializers super) | |
532 | :test #'sod-initializer-slot)) | |
533 | (sod-class-precedence-list class)) | |
534 | (effective-slot-initializer slot))))) | |
535 | ||
536 | (defgeneric output-class-initializer (slot instance stream) | |
537 | (:method ((slot sod-class-effective-slot) (instance sod-class) stream) | |
538 | (let ((func (effective-slot-initializer-function slot))) | |
539 | (if func | |
540 | (format stream " ~A,~%" (funcall func instance)) | |
541 | (call-next-method)))) | |
542 | (:method ((slot effective-slot) (instance sod-class) stream) | |
543 | (let ((init (find-class-initializer slot instance))) | |
544 | (ecase (sod-initializer-value-kind init) | |
545 | (:simple (format stream " ~A,~%" | |
546 | (sod-initializer-value-form init))) | |
547 | (:compound (format stream " ~@<{ ~;~A~; },~:>~%" | |
548 | (sod-initializer-value-form init))))))) | |
549 | ||
dea4d055 | 550 | (defmethod hook-output progn ((slot sod-class-effective-slot) (reason (eql 'class)) |
3be8c2bf MW |
551 | sequencer) |
552 | (let ((instance *instance-class*) | |
553 | (func (effective-slot-prepare-function slot))) | |
554 | (when func | |
555 | (sequence-output (stream sequencer) | |
556 | ((instance :object :prepare) | |
557 | (funcall func instance stream)))))) | |
558 | ||
dea4d055 MW |
559 | (defmethod hook-output progn ((slot effective-slot) (reason (eql 'class)) |
560 | sequencer) | |
3be8c2bf MW |
561 | (with-slots (class (dslot slot)) slot |
562 | (let ((instance *instance-class*) | |
563 | (super (sod-slot-class dslot))) | |
564 | (sequence-output (stream sequencer) | |
565 | ((instance :object super :slots) | |
566 | (output-class-initializer slot instance stream)))))) | |
567 | ||
568 | ;;;-------------------------------------------------------------------------- | |
1f1d88f5 MW |
569 | ;;; Testing. |
570 | ||
571 | #+test | |
572 | (defun test (name) | |
573 | (let ((sequencer (make-instance 'sequencer)) | |
574 | (class (find-sod-class name))) | |
dea4d055 | 575 | (hook-output class :h sequencer) |
1f1d88f5 MW |
576 | (invoke-sequencer-items sequencer *standard-output*) |
577 | sequencer)) | |
578 | ||
579 | ;;;----- That's all, folks -------------------------------------------------- |