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1f1d88f5 MW |
1 | ;;; -*-lisp-*- |
2 | ;;; | |
dea4d055 | 3 | ;;; Output for classes |
1f1d88f5 MW |
4 | ;;; |
5 | ;;; (c) 2009 Straylight/Edgeware | |
6 | ;;; | |
7 | ||
8 | ;;;----- Licensing notice --------------------------------------------------- | |
9 | ;;; | |
dea4d055 | 10 | ;;; This file is part of the Sensble Object Design, an object system for C. |
1f1d88f5 MW |
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 | ||
5b0a2bdb | 31 | (defmethod hook-output progn ((class sod-class) (reason (eql :h)) sequencer) |
1f1d88f5 MW |
32 | |
33 | ;; Main output sequencing. | |
34 | (sequence-output (stream sequencer) | |
35 | ||
36 | :constraint | |
1f1d88f5 MW |
37 | ((:classes :start) |
38 | (class :banner) | |
39 | (class :islots :start) (class :islots :slots) (class :islots :end) | |
40 | (class :vtmsgs :start) (class :vtmsgs :end) | |
41 | (class :vtables :start) (class :vtables :end) | |
42 | (class :vtable-externs) (class :vtable-externs-after) | |
ddee4bb1 | 43 | (class :methods :start) (class :methods) (class :methods :end) |
1f1d88f5 MW |
44 | (class :ichains :start) (class :ichains :end) |
45 | (class :ilayout :start) (class :ilayout :slots) (class :ilayout :end) | |
46 | (class :conversions) | |
6bc944c3 | 47 | (class :message-macros) |
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))) | |
bb172d53 MW |
101 | (format stream "#define ~:@(~A__CONV_~A~)(_obj) ((~A *)~ |
102 | ~:[SOD_XCHAIN(~A, (_obj))~;(_obj)~])~%" | |
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 | 107 | |
6bc944c3 MW |
108 | ;; Provide convenience macros for sending the newly defined messages. (The |
109 | ;; macros work on all subclasses too.) | |
110 | ;; | |
111 | ;; We need each message's method entry type for this, so we need to dig it | |
112 | ;; out of the vtmsgs structure. Indeed, the vtmsgs for this class contains | |
113 | ;; entries for precisely the messages we want to make macros for. | |
114 | (when (sod-class-messages class) | |
115 | (sequence-output (stream sequencer) | |
116 | ((class :message-macros) | |
117 | (let* ((vtable (find (sod-class-chain-head class) | |
118 | (sod-class-vtables class) | |
119 | :key #'vtable-chain-head)) | |
120 | (vtmsgs (find-if (lambda (item) | |
121 | (and (typep item 'vtmsgs) | |
122 | (eql (vtmsgs-class item) class))) | |
123 | (vtable-body vtable)))) | |
124 | (format stream "/* Message invocation macros. */~%") | |
6bc944c3 MW |
125 | (dolist (entry (vtmsgs-entries vtmsgs)) |
126 | (let* ((type (method-entry-function-type entry)) | |
127 | (args (c-function-arguments type)) | |
6bc944c3 MW |
128 | (in-names nil) (out-names nil) (varargsp nil) (me "me")) |
129 | (do ((args args (cdr args))) | |
130 | ((endp args)) | |
b426ab51 | 131 | (let* ((raw-name (princ-to-string (argument-name (car args)))) |
6bc944c3 MW |
132 | (name (if (find raw-name |
133 | (list "_vt" | |
134 | (sod-class-nickname class) | |
b426ab51 | 135 | (method-entry-slot-name entry)) |
6bc944c3 MW |
136 | :test #'string=) |
137 | (format nil "sod__a_~A" raw-name) | |
138 | raw-name))) | |
139 | (cond ((and (cdr args) (eq (cadr args) :ellipsis)) | |
140 | (setf varargsp t) | |
061c44b0 | 141 | (unless in-names (setf me "SOD_CAR(__VA_ARGS__)")) |
6bc944c3 MW |
142 | (push (format nil "/*~A*/ ..." name) in-names) |
143 | (push "__VA_ARGS__" out-names) | |
144 | (return)) | |
145 | (t | |
146 | (push name in-names) | |
147 | (push name out-names))))) | |
148 | (when varargsp | |
149 | (format stream "#if __STDC_VERSION__ >= 199901~%")) | |
150 | (format stream "#define ~A(~{~A~^, ~}) ~ | |
151 | ~A->_vt->~A.~A(~{~A~^, ~})~%" | |
b426ab51 | 152 | (message-macro-name class entry) |
6bc944c3 MW |
153 | (nreverse in-names) |
154 | me | |
155 | (sod-class-nickname class) | |
b426ab51 | 156 | (method-entry-slot-name entry) |
6bc944c3 MW |
157 | (nreverse out-names)) |
158 | (when varargsp | |
159 | (format stream "#endif~%")))) | |
160 | (terpri stream))))) | |
161 | ||
1f1d88f5 | 162 | ;; Generate vtmsgs structure for all superclasses. |
dea4d055 MW |
163 | (hook-output (car (sod-class-vtables class)) |
164 | 'vtmsgs | |
1f1d88f5 MW |
165 | sequencer)) |
166 | ||
dea4d055 | 167 | (defmethod hook-output progn ((class sod-class) reason sequencer) |
08713508 | 168 | (with-slots (ilayout vtables methods effective-methods) class |
dea4d055 MW |
169 | (hook-output ilayout reason sequencer) |
170 | (dolist (method methods) (hook-output method reason sequencer)) | |
08713508 | 171 | (dolist (method effective-methods) (hook-output method reason sequencer)) |
dea4d055 | 172 | (dolist (vtable vtables) (hook-output vtable reason sequencer)))) |
1f1d88f5 MW |
173 | |
174 | ;;;-------------------------------------------------------------------------- | |
175 | ;;; Instance structure. | |
176 | ||
5b0a2bdb MW |
177 | (defmethod hook-output progn ((slot sod-slot) |
178 | (reason (eql 'islots)) | |
179 | sequencer) | |
1f1d88f5 MW |
180 | (sequence-output (stream sequencer) |
181 | (((sod-slot-class slot) :islots :slots) | |
182 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
183 | (pprint-c-type (sod-slot-type slot) stream (sod-slot-name slot))) | |
184 | (terpri stream)))) | |
185 | ||
dea4d055 | 186 | (defmethod hook-output progn ((ilayout ilayout) reason sequencer) |
1f1d88f5 | 187 | (with-slots (ichains) ilayout |
dea4d055 MW |
188 | (dolist (ichain ichains) (hook-output ichain reason sequencer)))) |
189 | ||
190 | (defmethod hook-output progn ((ichain ichain) reason sequencer) | |
191 | (dolist (item (ichain-body ichain)) | |
192 | (hook-output item reason sequencer))) | |
1f1d88f5 | 193 | |
5b0a2bdb | 194 | (defmethod hook-output progn ((ilayout ilayout) (reason (eql :h)) sequencer) |
1f1d88f5 MW |
195 | (with-slots (class ichains) ilayout |
196 | (sequence-output (stream sequencer) | |
197 | ((class :ilayout :start) | |
a07d8d00 | 198 | (format stream "/* Instance layout. */~@ |
ddee4bb1 MW |
199 | struct ~A {~%" |
200 | (ilayout-struct-tag class))) | |
1f1d88f5 MW |
201 | ((class :ilayout :end) |
202 | (format stream "};~2%"))) | |
203 | (dolist (ichain ichains) | |
dea4d055 | 204 | (hook-output ichain 'ilayout sequencer)))) |
1f1d88f5 | 205 | |
5b0a2bdb | 206 | (defmethod hook-output progn ((ichain ichain) (reason (eql :h)) sequencer) |
ddee4bb1 MW |
207 | (with-slots (class chain-head chain-tail) ichain |
208 | (when (eq class chain-tail) | |
209 | (sequence-output (stream sequencer) | |
210 | :constraint ((class :ichains :start) | |
211 | (class :ichain chain-head :start) | |
212 | (class :ichain chain-head :slots) | |
213 | (class :ichain chain-head :end) | |
214 | (class :ichains :end)) | |
215 | ((class :ichain chain-head :start) | |
a07d8d00 | 216 | (format stream "/* Instance chain structure. */~@ |
ddee4bb1 MW |
217 | struct ~A {~%" |
218 | (ichain-struct-tag chain-tail chain-head))) | |
219 | ((class :ichain chain-head :end) | |
220 | (format stream "};~2%") | |
a07d8d00 MW |
221 | (format stream "/* Union of equivalent superclass chains. */~@ |
222 | union ~A {~@ | |
ddee4bb1 MW |
223 | ~:{ struct ~A ~A;~%~}~ |
224 | };~2%" | |
225 | (ichain-union-tag chain-tail chain-head) | |
dea4d055 MW |
226 | |
227 | ;; Make sure the most specific class is first: only the | |
228 | ;; first element of a union can be statically initialized in | |
229 | ;; C90. | |
ddee4bb1 MW |
230 | (mapcar (lambda (super) |
231 | (list (ichain-struct-tag super chain-head) | |
232 | (sod-class-nickname super))) | |
233 | (sod-class-chain chain-tail)))))))) | |
1f1d88f5 | 234 | |
5b0a2bdb MW |
235 | (defmethod hook-output progn ((ichain ichain) |
236 | (reason (eql 'ilayout)) | |
237 | sequencer) | |
ddee4bb1 | 238 | (with-slots (class chain-head chain-tail) ichain |
1f1d88f5 MW |
239 | (sequence-output (stream sequencer) |
240 | ((class :ilayout :slots) | |
ddee4bb1 MW |
241 | (format stream " union ~A ~A;~%" |
242 | (ichain-union-tag chain-tail chain-head) | |
1f1d88f5 MW |
243 | (sod-class-nickname chain-head)))))) |
244 | ||
5b0a2bdb MW |
245 | (defmethod hook-output progn ((vtptr vtable-pointer) |
246 | (reason (eql :h)) | |
247 | sequencer) | |
ddee4bb1 | 248 | (with-slots (class chain-head chain-tail) vtptr |
1f1d88f5 MW |
249 | (sequence-output (stream sequencer) |
250 | ((class :ichain chain-head :slots) | |
251 | (format stream " const struct ~A *_vt;~%" | |
ddee4bb1 | 252 | (vtable-struct-tag chain-tail chain-head)))))) |
1f1d88f5 | 253 | |
dea4d055 | 254 | (defmethod hook-output progn ((islots islots) reason sequencer) |
3be8c2bf | 255 | (dolist (slot (islots-slots islots)) |
dea4d055 | 256 | (hook-output slot reason sequencer))) |
3be8c2bf | 257 | |
5b0a2bdb | 258 | (defmethod hook-output progn ((islots islots) (reason (eql :h)) sequencer) |
1f1d88f5 MW |
259 | (with-slots (class subclass slots) islots |
260 | (sequence-output (stream sequencer) | |
261 | ((subclass :ichain (sod-class-chain-head class) :slots) | |
262 | (format stream " struct ~A ~A;~%" | |
263 | (islots-struct-tag class) | |
264 | (sod-class-nickname class)))))) | |
265 | ||
266 | ;;;-------------------------------------------------------------------------- | |
267 | ;;; Vtable structure. | |
268 | ||
dea4d055 | 269 | (defmethod hook-output progn ((vtable vtable) reason sequencer) |
1f1d88f5 | 270 | (with-slots (body) vtable |
dea4d055 | 271 | (dolist (item body) (hook-output item reason sequencer)))) |
1f1d88f5 | 272 | |
5b0a2bdb MW |
273 | (defmethod hook-output progn ((method sod-method) |
274 | (reason (eql :h)) | |
275 | sequencer) | |
ddee4bb1 MW |
276 | (with-slots (class) method |
277 | (sequence-output (stream sequencer) | |
278 | ((class :methods) | |
279 | (let ((type (sod-method-function-type method))) | |
280 | (princ "extern " stream) | |
281 | (pprint-c-type (commentify-function-type type) stream | |
282 | (sod-method-function-name method)) | |
283 | (format stream ";~%")))))) | |
284 | ||
5b0a2bdb | 285 | (defmethod hook-output progn ((vtable vtable) (reason (eql :h)) sequencer) |
ddee4bb1 MW |
286 | (with-slots (class chain-head chain-tail) vtable |
287 | (when (eq class chain-tail) | |
288 | (sequence-output (stream sequencer) | |
289 | :constraint ((class :vtables :start) | |
290 | (class :vtable chain-head :start) | |
291 | (class :vtable chain-head :slots) | |
292 | (class :vtable chain-head :end) | |
293 | (class :vtables :end)) | |
294 | ((class :vtable chain-head :start) | |
a07d8d00 | 295 | (format stream "/* Vtable structure. */~@ |
ddee4bb1 MW |
296 | struct ~A {~%" |
297 | (vtable-struct-tag chain-tail chain-head))) | |
298 | ((class :vtable chain-head :end) | |
c2438e62 MW |
299 | (format stream "};~2%") |
300 | (format stream "/* Union of equivalent superclass vtables. */~@ | |
301 | union ~A {~@ | |
302 | ~:{ struct ~A ~A;~%~}~ | |
303 | };~2%" | |
304 | (vtable-union-tag chain-tail chain-head) | |
305 | ||
306 | ;; As for the ichain union, make sure the most specific | |
307 | ;; class is first. | |
308 | (mapcar (lambda (super) | |
309 | (list (vtable-struct-tag super chain-head) | |
310 | (sod-class-nickname super))) | |
311 | (sod-class-chain chain-tail)))))) | |
1f1d88f5 | 312 | (sequence-output (stream sequencer) |
1f1d88f5 | 313 | ((class :vtable-externs) |
c2438e62 MW |
314 | (format stream "~@<extern const union ~A ~2I~_~A__vtable_~A;~:>~%" |
315 | (vtable-union-tag chain-tail chain-head) | |
1f1d88f5 MW |
316 | class (sod-class-nickname chain-head)))))) |
317 | ||
5b0a2bdb | 318 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :h)) sequencer) |
ddee4bb1 | 319 | (with-slots (class subclass chain-head chain-tail) vtmsgs |
1f1d88f5 MW |
320 | (sequence-output (stream sequencer) |
321 | ((subclass :vtable chain-head :slots) | |
322 | (format stream " struct ~A ~A;~%" | |
323 | (vtmsgs-struct-tag subclass class) | |
324 | (sod-class-nickname class)))))) | |
325 | ||
5b0a2bdb MW |
326 | (defmethod hook-output progn ((vtmsgs vtmsgs) |
327 | (reason (eql 'vtmsgs)) | |
328 | sequencer) | |
1f1d88f5 MW |
329 | (when (vtmsgs-entries vtmsgs) |
330 | (with-slots (class subclass) vtmsgs | |
331 | (sequence-output (stream sequencer) | |
332 | :constraint ((subclass :vtmsgs :start) | |
333 | (subclass :vtmsgs class :start) | |
334 | (subclass :vtmsgs class :slots) | |
335 | (subclass :vtmsgs class :end) | |
336 | (subclass :vtmsgs :end)) | |
337 | ((subclass :vtmsgs class :start) | |
a07d8d00 | 338 | (format stream "/* Messages protocol from class ~A */~@ |
ddee4bb1 MW |
339 | struct ~A {~%" |
340 | class | |
341 | (vtmsgs-struct-tag subclass class))) | |
1f1d88f5 MW |
342 | ((subclass :vtmsgs class :end) |
343 | (format stream "};~2%")))))) | |
344 | ||
dea4d055 | 345 | (defmethod hook-output progn ((vtmsgs vtmsgs) reason sequencer) |
1f1d88f5 | 346 | (with-slots (entries) vtmsgs |
dea4d055 | 347 | (dolist (entry entries) (hook-output entry reason sequencer)))) |
1f1d88f5 | 348 | |
5b0a2bdb MW |
349 | (defmethod hook-output progn ((entry method-entry) |
350 | (reason (eql 'vtmsgs)) | |
351 | sequencer) | |
ddee4bb1 MW |
352 | (let* ((method (method-entry-effective-method entry)) |
353 | (message (effective-method-message method)) | |
1f1d88f5 | 354 | (class (effective-method-class method)) |
9ec578d9 MW |
355 | (function-type (method-entry-function-type entry)) |
356 | (commented-type (commentify-function-type function-type)) | |
357 | (pointer-type (make-pointer-type commented-type))) | |
1f1d88f5 MW |
358 | (sequence-output (stream sequencer) |
359 | ((class :vtmsgs (sod-message-class message) :slots) | |
360 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
b426ab51 | 361 | (pprint-c-type pointer-type stream (method-entry-slot-name entry))) |
1f1d88f5 MW |
362 | (terpri stream))))) |
363 | ||
5b0a2bdb MW |
364 | (defmethod hook-output progn ((cptr class-pointer) |
365 | (reason (eql :h)) | |
366 | sequencer) | |
1f1d88f5 MW |
367 | (with-slots (class chain-head metaclass meta-chain-head) cptr |
368 | (sequence-output (stream sequencer) | |
369 | ((class :vtable chain-head :slots) | |
370 | (format stream " const ~A *~:[_class~;~:*_cls_~A~];~%" | |
371 | metaclass | |
9ec578d9 MW |
372 | (and (sod-class-direct-superclasses meta-chain-head) |
373 | (sod-class-nickname meta-chain-head))))))) | |
1f1d88f5 | 374 | |
5b0a2bdb | 375 | (defmethod hook-output progn ((boff base-offset) (reason (eql :h)) sequencer) |
1f1d88f5 MW |
376 | (with-slots (class chain-head) boff |
377 | (sequence-output (stream sequencer) | |
378 | ((class :vtable chain-head :slots) | |
379 | (write-line " size_t _base;" stream))))) | |
380 | ||
5b0a2bdb MW |
381 | (defmethod hook-output progn ((choff chain-offset) |
382 | (reason (eql :h)) | |
383 | sequencer) | |
1f1d88f5 MW |
384 | (with-slots (class chain-head target-head) choff |
385 | (sequence-output (stream sequencer) | |
386 | ((class :vtable chain-head :slots) | |
387 | (format stream " ptrdiff_t _off_~A;~%" | |
388 | (sod-class-nickname target-head)))))) | |
389 | ||
390 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
391 | ;;; Implementation output. |
392 | ||
393 | (defvar *instance-class*) | |
394 | ||
5b0a2bdb | 395 | (defmethod hook-output progn ((class sod-class) (reason (eql :c)) sequencer) |
3be8c2bf MW |
396 | (sequence-output (stream sequencer) |
397 | ||
398 | :constraint | |
399 | ((:classes :start) | |
400 | (class :banner) | |
401 | (class :direct-methods :start) (class :direct-methods :end) | |
a07d8d00 | 402 | (class :effective-methods) |
3be8c2bf MW |
403 | (class :vtables :start) (class :vtables :end) |
404 | (class :object :prepare) (class :object :start) (class :object :end) | |
405 | (:classes :end)) | |
406 | ||
407 | ((class :banner) | |
408 | (banner (format nil "Class ~A" class) stream)) | |
409 | ||
410 | ((class :object :start) | |
411 | (format stream "~ | |
412 | /* The class object. */ | |
413 | const struct ~A ~A__classobj = {~%" | |
414 | (ilayout-struct-tag (sod-class-metaclass class)) | |
415 | class)) | |
416 | ((class :object :end) | |
417 | (format stream "};~2%"))) | |
418 | ||
419 | (let ((*instance-class* class)) | |
dea4d055 MW |
420 | (hook-output (sod-class-ilayout (sod-class-metaclass class)) |
421 | 'class | |
3be8c2bf MW |
422 | sequencer))) |
423 | ||
424 | ;;;-------------------------------------------------------------------------- | |
9ec578d9 | 425 | ;;; Direct and effective methods. |
3be8c2bf | 426 | |
5b0a2bdb MW |
427 | (defmethod hook-output progn ((method delegating-direct-method) |
428 | (reason (eql :c)) | |
429 | sequencer) | |
3be8c2bf MW |
430 | (with-slots (class body) method |
431 | (unless body | |
dea4d055 | 432 | (return-from hook-output)) |
3be8c2bf MW |
433 | (sequence-output (stream sequencer) |
434 | ((class :direct-method method :start) | |
435 | (format stream "#define CALL_NEXT_METHOD (next_method(~{~A~^, ~}))~%" | |
436 | (mapcar #'argument-name | |
437 | (c-function-arguments (sod-method-next-method-type | |
438 | method))))) | |
439 | ((class :direct-method method :end) | |
440 | (format stream "#undef CALL_NEXT_METHOD~%"))))) | |
441 | ||
5b0a2bdb MW |
442 | (defmethod hook-output progn ((method sod-method) |
443 | (reason (eql :c)) | |
444 | sequencer) | |
3be8c2bf MW |
445 | (with-slots (class body) method |
446 | (unless body | |
dea4d055 | 447 | (return-from hook-output)) |
3be8c2bf MW |
448 | (sequence-output (stream sequencer) |
449 | :constraint ((class :direct-methods :start) | |
450 | (class :direct-method method :start) | |
451 | (class :direct-method method :body) | |
452 | (class :direct-method method :end) | |
453 | (class :direct-methods :end)) | |
454 | ((class :direct-method method :body) | |
455 | (pprint-c-type (sod-method-function-type method) | |
456 | stream | |
457 | (sod-method-function-name method)) | |
458 | (format stream "~&{~%") | |
459 | (write body :stream stream :pretty nil :escape nil) | |
460 | (format stream "~&}~%")) | |
461 | ((class :direct-method method :end) | |
462 | (terpri stream))))) | |
463 | ||
5b0a2bdb MW |
464 | (defmethod hook-output progn ((method basic-effective-method) |
465 | (reason (eql :c)) | |
dea4d055 MW |
466 | sequencer) |
467 | (with-slots (class functions) method | |
468 | (sequence-output (stream sequencer) | |
469 | ((class :effective-methods) | |
470 | (dolist (func functions) | |
471 | (write func :stream stream :escape nil :circle nil)))))) | |
472 | ||
3be8c2bf | 473 | ;;;-------------------------------------------------------------------------- |
a07d8d00 MW |
474 | ;;; Vtables. |
475 | ||
5b0a2bdb | 476 | (defmethod hook-output progn ((vtable vtable) (reason (eql :c)) sequencer) |
a07d8d00 MW |
477 | (with-slots (class chain-head chain-tail) vtable |
478 | (sequence-output (stream sequencer) | |
479 | :constraint ((class :vtables :start) | |
480 | (class :vtable chain-head :start) | |
481 | (class :vtable chain-head :end) | |
482 | (class :vtables :end)) | |
483 | ((class :vtable chain-head :start) | |
484 | (format stream "/* Vtable for ~A chain. */~@ | |
c2438e62 | 485 | const union ~A ~A = { {~%" |
a07d8d00 | 486 | chain-head |
c2438e62 | 487 | (vtable-union-tag chain-tail chain-head) |
9ec578d9 | 488 | (vtable-name class chain-head))) |
a07d8d00 | 489 | ((class :vtable chain-head :end) |
c2438e62 | 490 | (format stream "} };~2%"))))) |
a07d8d00 | 491 | |
5b0a2bdb MW |
492 | (defmethod hook-output progn ((cptr class-pointer) |
493 | (reason (eql :c)) | |
494 | sequencer) | |
a07d8d00 MW |
495 | (with-slots (class chain-head metaclass meta-chain-head) cptr |
496 | (sequence-output (stream sequencer) | |
497 | :constraint ((class :vtable chain-head :start) | |
498 | (class :vtable chain-head :class-pointer metaclass) | |
499 | (class :vtable chain-head :end)) | |
500 | ((class :vtable chain-head :class-pointer metaclass) | |
9ec578d9 MW |
501 | (format stream " /* ~21@A = */ &~A__classobj.~A.~A,~%" |
502 | (if (sod-class-direct-superclasses meta-chain-head) | |
503 | (format nil "_cls_~A" | |
504 | (sod-class-nickname meta-chain-head)) | |
505 | "_class") | |
fc5d9486 | 506 | class |
a07d8d00 MW |
507 | (sod-class-nickname meta-chain-head) |
508 | (sod-class-nickname metaclass)))))) | |
509 | ||
5b0a2bdb | 510 | (defmethod hook-output progn ((boff base-offset) (reason (eql :c)) sequencer) |
a07d8d00 MW |
511 | (with-slots (class chain-head) boff |
512 | (sequence-output (stream sequencer) | |
513 | :constraint ((class :vtable chain-head :start) | |
514 | (class :vtable chain-head :base-offset) | |
515 | (class :vtable chain-head :end)) | |
516 | ((class :vtable chain-head :base-offset) | |
9ec578d9 MW |
517 | (format stream " /* ~21@A = */ offsetof(struct ~A, ~A),~%" |
518 | "_base" | |
a07d8d00 MW |
519 | (ilayout-struct-tag class) |
520 | (sod-class-nickname chain-head)))))) | |
521 | ||
5b0a2bdb MW |
522 | (defmethod hook-output progn ((choff chain-offset) |
523 | (reason (eql :c)) | |
524 | sequencer) | |
a07d8d00 MW |
525 | (with-slots (class chain-head target-head) choff |
526 | (sequence-output (stream sequencer) | |
527 | :constraint ((class :vtable chain-head :start) | |
528 | (class :vtable chain-head :chain-offset target-head) | |
529 | (class :vtable chain-head :end)) | |
530 | ((class :vtable chain-head :chain-offset target-head) | |
9ec578d9 MW |
531 | (format stream " /* ~21@A = */ SOD_OFFSETDIFF(struct ~A, ~A, ~A),~%" |
532 | (format nil "_off_~A" (sod-class-nickname target-head)) | |
a07d8d00 MW |
533 | (ilayout-struct-tag class) |
534 | (sod-class-nickname chain-head) | |
535 | (sod-class-nickname target-head)))))) | |
536 | ||
5b0a2bdb | 537 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :c)) sequencer) |
a07d8d00 MW |
538 | (with-slots (class subclass chain-head) vtmsgs |
539 | (sequence-output (stream sequencer) | |
540 | :constraint ((subclass :vtable chain-head :start) | |
541 | (subclass :vtable chain-head :vtmsgs class :start) | |
542 | (subclass :vtable chain-head :vtmsgs class :slots) | |
543 | (subclass :vtable chain-head :vtmsgs class :end) | |
544 | (subclass :vtable chain-head :end)) | |
545 | ((subclass :vtable chain-head :vtmsgs class :start) | |
546 | (format stream " { /* Method entries for ~A messages. */~%" | |
547 | class)) | |
548 | ((subclass :vtable chain-head :vtmsgs class :end) | |
549 | (format stream " },~%"))))) | |
550 | ||
5b0a2bdb MW |
551 | (defmethod hook-output progn ((entry method-entry) |
552 | (reason (eql :c)) | |
553 | sequencer) | |
b426ab51 | 554 | (with-slots (method chain-head chain-tail role) entry |
a07d8d00 MW |
555 | (let* ((message (effective-method-message method)) |
556 | (class (effective-method-class method)) | |
557 | (super (sod-message-class message))) | |
558 | (sequence-output (stream sequencer) | |
559 | ((class :vtable chain-head :vtmsgs super :slots) | |
9ec578d9 | 560 | (format stream " /* ~19@A = */ ~A,~%" |
b426ab51 MW |
561 | (method-entry-slot-name entry) |
562 | (method-entry-function-name method chain-head role))))))) | |
a07d8d00 MW |
563 | |
564 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
565 | ;;; Filling in the class object. |
566 | ||
5b0a2bdb MW |
567 | (defmethod hook-output progn ((ichain ichain) |
568 | (reason (eql 'class)) | |
569 | sequencer) | |
3be8c2bf MW |
570 | (with-slots (class chain-head) ichain |
571 | (sequence-output (stream sequencer) | |
572 | :constraint ((*instance-class* :object :start) | |
573 | (*instance-class* :object chain-head :ichain :start) | |
574 | (*instance-class* :object chain-head :ichain :end) | |
575 | (*instance-class* :object :end)) | |
576 | ((*instance-class* :object chain-head :ichain :start) | |
577 | (format stream " { { /* ~A ichain */~%" | |
578 | (sod-class-nickname chain-head))) | |
579 | ((*instance-class* :object chain-head :ichain :end) | |
580 | (format stream " } },~%"))))) | |
581 | ||
5b0a2bdb MW |
582 | (defmethod hook-output progn ((islots islots) |
583 | (reason (eql 'class)) | |
584 | sequencer) | |
3be8c2bf MW |
585 | (with-slots (class) islots |
586 | (let ((chain-head (sod-class-chain-head class))) | |
587 | (sequence-output (stream sequencer) | |
588 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
589 | (*instance-class* :object class :slots :start) | |
590 | (*instance-class* :object class :slots) | |
591 | (*instance-class* :object class :slots :end) | |
592 | (*instance-class* :object chain-head :ichain :end)) | |
593 | ((*instance-class* :object class :slots :start) | |
594 | (format stream " { /* Class ~A */~%" class)) | |
595 | ((*instance-class* :object class :slots :end) | |
596 | (format stream " },~%")))))) | |
597 | ||
5b0a2bdb MW |
598 | (defmethod hook-output progn ((vtptr vtable-pointer) |
599 | (reason (eql 'class)) | |
600 | sequencer) | |
3be8c2bf MW |
601 | (with-slots (class chain-head chain-tail) vtptr |
602 | (sequence-output (stream sequencer) | |
603 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
604 | (*instance-class* :object chain-head :vtable) | |
605 | (*instance-class* :object chain-head :ichain :end)) | |
606 | ((*instance-class* :object chain-head :vtable) | |
c2438e62 MW |
607 | (format stream " /* ~17@A = */ &~A.~A,~%" |
608 | "_vt" | |
609 | (vtable-name class chain-head) | |
610 | (sod-class-nickname chain-tail)))))) | |
3be8c2bf MW |
611 | |
612 | (defgeneric find-class-initializer (slot class) | |
613 | (:method ((slot effective-slot) (class sod-class)) | |
614 | (let ((dslot (effective-slot-direct-slot slot))) | |
615 | (or (some (lambda (super) | |
616 | (find dslot (sod-class-class-initializers super) | |
617 | :test #'sod-initializer-slot)) | |
618 | (sod-class-precedence-list class)) | |
619 | (effective-slot-initializer slot))))) | |
620 | ||
621 | (defgeneric output-class-initializer (slot instance stream) | |
622 | (:method ((slot sod-class-effective-slot) (instance sod-class) stream) | |
9ec578d9 MW |
623 | (let ((func (effective-slot-initializer-function slot)) |
624 | (direct-slot (effective-slot-direct-slot slot))) | |
3be8c2bf | 625 | (if func |
9ec578d9 MW |
626 | (format stream " /* ~15@A = */ ~A,~%" |
627 | (sod-slot-name direct-slot) | |
628 | (funcall func instance)) | |
3be8c2bf MW |
629 | (call-next-method)))) |
630 | (:method ((slot effective-slot) (instance sod-class) stream) | |
9ec578d9 MW |
631 | (let ((init (find-class-initializer slot instance)) |
632 | (direct-slot (effective-slot-direct-slot slot))) | |
3be8c2bf | 633 | (ecase (sod-initializer-value-kind init) |
9ec578d9 MW |
634 | (:simple (format stream " /* ~15@A = */ ~A,~%" |
635 | (sod-slot-name direct-slot) | |
3be8c2bf | 636 | (sod-initializer-value-form init))) |
9ec578d9 MW |
637 | (:compound (format stream " /* ~15@A = */ ~@<{ ~;~A~; },~:>~%" |
638 | (sod-slot-name direct-slot) | |
639 | (sod-initializer-value-form init))))))) | |
3be8c2bf | 640 | |
5b0a2bdb MW |
641 | (defmethod hook-output progn ((slot sod-class-effective-slot) |
642 | (reason (eql 'class)) | |
643 | sequencer) | |
3be8c2bf MW |
644 | (let ((instance *instance-class*) |
645 | (func (effective-slot-prepare-function slot))) | |
646 | (when func | |
647 | (sequence-output (stream sequencer) | |
648 | ((instance :object :prepare) | |
649 | (funcall func instance stream)))))) | |
650 | ||
5b0a2bdb MW |
651 | (defmethod hook-output progn ((slot effective-slot) |
652 | (reason (eql 'class)) | |
653 | sequencer) | |
3be8c2bf MW |
654 | (with-slots (class (dslot slot)) slot |
655 | (let ((instance *instance-class*) | |
656 | (super (sod-slot-class dslot))) | |
657 | (sequence-output (stream sequencer) | |
658 | ((instance :object super :slots) | |
659 | (output-class-initializer slot instance stream)))))) | |
660 | ||
1f1d88f5 | 661 | ;;;----- That's all, folks -------------------------------------------------- |