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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 | ;;; | |
e0808c47 | 10 | ;;; This file is part of the Sensible 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 | ;;;-------------------------------------------------------------------------- | |
6e2d4b52 MW |
29 | ;;; Walking the layout tree. |
30 | ||
31 | (defmethod hook-output progn ((class sod-class) reason sequencer) | |
32 | (with-slots ((ilayout %ilayout) vtables methods effective-methods) class | |
33 | (hook-output ilayout reason sequencer) | |
34 | (dolist (method methods) (hook-output method reason sequencer)) | |
35 | (dolist (method effective-methods) (hook-output method reason sequencer)) | |
36 | (dolist (vtable vtables) (hook-output vtable reason sequencer)))) | |
37 | ||
38 | (defmethod hook-output progn ((ilayout ilayout) reason sequencer) | |
39 | (with-slots (ichains) ilayout | |
40 | (dolist (ichain ichains) (hook-output ichain reason sequencer)))) | |
41 | ||
42 | (defmethod hook-output progn ((ichain ichain) reason sequencer) | |
43 | (dolist (item (ichain-body ichain)) | |
44 | (hook-output item reason sequencer))) | |
45 | ||
46 | (defmethod hook-output progn ((islots islots) reason sequencer) | |
47 | (dolist (slot (islots-slots islots)) | |
48 | (hook-output slot reason sequencer))) | |
49 | ||
50 | (defmethod hook-output progn ((vtable vtable) reason sequencer) | |
51 | (with-slots (body) vtable | |
52 | (dolist (item body) (hook-output item reason sequencer)))) | |
53 | ||
54 | (defmethod hook-output progn ((vtmsgs vtmsgs) reason sequencer) | |
55 | (with-slots (entries) vtmsgs | |
56 | (dolist (entry entries) (hook-output entry reason sequencer)))) | |
57 | ||
58 | ;;;-------------------------------------------------------------------------- | |
1f1d88f5 MW |
59 | ;;; Classes. |
60 | ||
5b0a2bdb | 61 | (defmethod hook-output progn ((class sod-class) (reason (eql :h)) sequencer) |
1f1d88f5 MW |
62 | |
63 | ;; Main output sequencing. | |
64 | (sequence-output (stream sequencer) | |
65 | ||
66 | :constraint | |
1f1d88f5 MW |
67 | ((:classes :start) |
68 | (class :banner) | |
69 | (class :islots :start) (class :islots :slots) (class :islots :end) | |
70 | (class :vtmsgs :start) (class :vtmsgs :end) | |
71 | (class :vtables :start) (class :vtables :end) | |
72 | (class :vtable-externs) (class :vtable-externs-after) | |
ddee4bb1 | 73 | (class :methods :start) (class :methods) (class :methods :end) |
1f1d88f5 MW |
74 | (class :ichains :start) (class :ichains :end) |
75 | (class :ilayout :start) (class :ilayout :slots) (class :ilayout :end) | |
76 | (class :conversions) | |
6bc944c3 | 77 | (class :message-macros) |
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))) | |
a07d8d00 MW |
96 | (format stream "/* The class object. */~@ |
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)) | |
dea4d055 | 106 | (hook-output slot 'islots sequencer)) |
1f1d88f5 MW |
107 | (sequence-output (stream sequencer) |
108 | ((class :islots :start) | |
a07d8d00 | 109 | (format stream "/* Instance slots. */~@ |
ddee4bb1 MW |
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))) | |
bb172d53 MW |
131 | (format stream "#define ~:@(~A__CONV_~A~)(_obj) ((~A *)~ |
132 | ~:[SOD_XCHAIN(~A, (_obj))~;(_obj)~])~%" | |
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 | 137 | |
6bc944c3 MW |
138 | ;; Provide convenience macros for sending the newly defined messages. (The |
139 | ;; macros work on all subclasses too.) | |
140 | ;; | |
141 | ;; We need each message's method entry type for this, so we need to dig it | |
142 | ;; out of the vtmsgs structure. Indeed, the vtmsgs for this class contains | |
143 | ;; entries for precisely the messages we want to make macros for. | |
144 | (when (sod-class-messages class) | |
145 | (sequence-output (stream sequencer) | |
146 | ((class :message-macros) | |
147 | (let* ((vtable (find (sod-class-chain-head class) | |
148 | (sod-class-vtables class) | |
149 | :key #'vtable-chain-head)) | |
150 | (vtmsgs (find-if (lambda (item) | |
151 | (and (typep item 'vtmsgs) | |
152 | (eql (vtmsgs-class item) class))) | |
153 | (vtable-body vtable)))) | |
154 | (format stream "/* Message invocation macros. */~%") | |
6bc944c3 MW |
155 | (dolist (entry (vtmsgs-entries vtmsgs)) |
156 | (let* ((type (method-entry-function-type entry)) | |
157 | (args (c-function-arguments type)) | |
6bc944c3 MW |
158 | (in-names nil) (out-names nil) (varargsp nil) (me "me")) |
159 | (do ((args args (cdr args))) | |
160 | ((endp args)) | |
b426ab51 | 161 | (let* ((raw-name (princ-to-string (argument-name (car args)))) |
6bc944c3 MW |
162 | (name (if (find raw-name |
163 | (list "_vt" | |
164 | (sod-class-nickname class) | |
b426ab51 | 165 | (method-entry-slot-name entry)) |
6bc944c3 MW |
166 | :test #'string=) |
167 | (format nil "sod__a_~A" raw-name) | |
168 | raw-name))) | |
169 | (cond ((and (cdr args) (eq (cadr args) :ellipsis)) | |
170 | (setf varargsp t) | |
68a4f8c9 | 171 | (unless in-names (setf me "SOD__CAR(__VA_ARGS__)")) |
6bc944c3 MW |
172 | (push (format nil "/*~A*/ ..." name) in-names) |
173 | (push "__VA_ARGS__" out-names) | |
174 | (return)) | |
175 | (t | |
176 | (push name in-names) | |
177 | (push name out-names))))) | |
178 | (when varargsp | |
179 | (format stream "#if __STDC_VERSION__ >= 199901~%")) | |
180 | (format stream "#define ~A(~{~A~^, ~}) ~ | |
181 | ~A->_vt->~A.~A(~{~A~^, ~})~%" | |
b426ab51 | 182 | (message-macro-name class entry) |
6bc944c3 MW |
183 | (nreverse in-names) |
184 | me | |
185 | (sod-class-nickname class) | |
b426ab51 | 186 | (method-entry-slot-name entry) |
6bc944c3 MW |
187 | (nreverse out-names)) |
188 | (when varargsp | |
189 | (format stream "#endif~%")))) | |
190 | (terpri stream))))) | |
191 | ||
1f1d88f5 | 192 | ;; Generate vtmsgs structure for all superclasses. |
6e2d4b52 | 193 | (hook-output (car (sod-class-vtables class)) 'vtmsgs sequencer)) |
1f1d88f5 MW |
194 | |
195 | ;;;-------------------------------------------------------------------------- | |
196 | ;;; Instance structure. | |
197 | ||
5b0a2bdb MW |
198 | (defmethod hook-output progn ((slot sod-slot) |
199 | (reason (eql 'islots)) | |
200 | sequencer) | |
1f1d88f5 MW |
201 | (sequence-output (stream sequencer) |
202 | (((sod-slot-class slot) :islots :slots) | |
203 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
204 | (pprint-c-type (sod-slot-type slot) stream (sod-slot-name slot))) | |
205 | (terpri stream)))) | |
206 | ||
5b0a2bdb | 207 | (defmethod hook-output progn ((ilayout ilayout) (reason (eql :h)) sequencer) |
4b8e5c03 | 208 | (with-slots ((class %class) ichains) ilayout |
1f1d88f5 MW |
209 | (sequence-output (stream sequencer) |
210 | ((class :ilayout :start) | |
a07d8d00 | 211 | (format stream "/* Instance layout. */~@ |
ddee4bb1 MW |
212 | struct ~A {~%" |
213 | (ilayout-struct-tag class))) | |
1f1d88f5 MW |
214 | ((class :ilayout :end) |
215 | (format stream "};~2%"))) | |
216 | (dolist (ichain ichains) | |
dea4d055 | 217 | (hook-output ichain 'ilayout sequencer)))) |
1f1d88f5 | 218 | |
5b0a2bdb | 219 | (defmethod hook-output progn ((ichain ichain) (reason (eql :h)) sequencer) |
4b8e5c03 | 220 | (with-slots ((class %class) chain-head chain-tail) ichain |
ddee4bb1 MW |
221 | (when (eq class chain-tail) |
222 | (sequence-output (stream sequencer) | |
223 | :constraint ((class :ichains :start) | |
224 | (class :ichain chain-head :start) | |
225 | (class :ichain chain-head :slots) | |
226 | (class :ichain chain-head :end) | |
227 | (class :ichains :end)) | |
228 | ((class :ichain chain-head :start) | |
a07d8d00 | 229 | (format stream "/* Instance chain structure. */~@ |
ddee4bb1 MW |
230 | struct ~A {~%" |
231 | (ichain-struct-tag chain-tail chain-head))) | |
232 | ((class :ichain chain-head :end) | |
233 | (format stream "};~2%") | |
a07d8d00 MW |
234 | (format stream "/* Union of equivalent superclass chains. */~@ |
235 | union ~A {~@ | |
ddee4bb1 MW |
236 | ~:{ struct ~A ~A;~%~}~ |
237 | };~2%" | |
238 | (ichain-union-tag chain-tail chain-head) | |
dea4d055 MW |
239 | |
240 | ;; Make sure the most specific class is first: only the | |
241 | ;; first element of a union can be statically initialized in | |
242 | ;; C90. | |
ddee4bb1 MW |
243 | (mapcar (lambda (super) |
244 | (list (ichain-struct-tag super chain-head) | |
245 | (sod-class-nickname super))) | |
246 | (sod-class-chain chain-tail)))))))) | |
1f1d88f5 | 247 | |
5b0a2bdb MW |
248 | (defmethod hook-output progn ((ichain ichain) |
249 | (reason (eql 'ilayout)) | |
250 | sequencer) | |
4b8e5c03 | 251 | (with-slots ((class %class) chain-head chain-tail) ichain |
1f1d88f5 MW |
252 | (sequence-output (stream sequencer) |
253 | ((class :ilayout :slots) | |
ddee4bb1 MW |
254 | (format stream " union ~A ~A;~%" |
255 | (ichain-union-tag chain-tail chain-head) | |
1f1d88f5 MW |
256 | (sod-class-nickname chain-head)))))) |
257 | ||
5b0a2bdb MW |
258 | (defmethod hook-output progn ((vtptr vtable-pointer) |
259 | (reason (eql :h)) | |
260 | sequencer) | |
4b8e5c03 | 261 | (with-slots ((class %class) chain-head chain-tail) vtptr |
1f1d88f5 MW |
262 | (sequence-output (stream sequencer) |
263 | ((class :ichain chain-head :slots) | |
264 | (format stream " const struct ~A *_vt;~%" | |
ddee4bb1 | 265 | (vtable-struct-tag chain-tail chain-head)))))) |
1f1d88f5 | 266 | |
5b0a2bdb | 267 | (defmethod hook-output progn ((islots islots) (reason (eql :h)) sequencer) |
4b8e5c03 | 268 | (with-slots ((class %class) subclass slots) islots |
1f1d88f5 MW |
269 | (sequence-output (stream sequencer) |
270 | ((subclass :ichain (sod-class-chain-head class) :slots) | |
271 | (format stream " struct ~A ~A;~%" | |
272 | (islots-struct-tag class) | |
273 | (sod-class-nickname class)))))) | |
274 | ||
275 | ;;;-------------------------------------------------------------------------- | |
276 | ;;; Vtable structure. | |
277 | ||
5b0a2bdb MW |
278 | (defmethod hook-output progn ((method sod-method) |
279 | (reason (eql :h)) | |
280 | sequencer) | |
4b8e5c03 | 281 | (with-slots ((class %class)) method |
ddee4bb1 MW |
282 | (sequence-output (stream sequencer) |
283 | ((class :methods) | |
284 | (let ((type (sod-method-function-type method))) | |
285 | (princ "extern " stream) | |
286 | (pprint-c-type (commentify-function-type type) stream | |
287 | (sod-method-function-name method)) | |
288 | (format stream ";~%")))))) | |
289 | ||
5b0a2bdb | 290 | (defmethod hook-output progn ((vtable vtable) (reason (eql :h)) sequencer) |
4b8e5c03 | 291 | (with-slots ((class %class) chain-head chain-tail) vtable |
ddee4bb1 MW |
292 | (when (eq class chain-tail) |
293 | (sequence-output (stream sequencer) | |
294 | :constraint ((class :vtables :start) | |
295 | (class :vtable chain-head :start) | |
296 | (class :vtable chain-head :slots) | |
297 | (class :vtable chain-head :end) | |
298 | (class :vtables :end)) | |
299 | ((class :vtable chain-head :start) | |
a07d8d00 | 300 | (format stream "/* Vtable structure. */~@ |
ddee4bb1 MW |
301 | struct ~A {~%" |
302 | (vtable-struct-tag chain-tail chain-head))) | |
303 | ((class :vtable chain-head :end) | |
c2438e62 MW |
304 | (format stream "};~2%") |
305 | (format stream "/* Union of equivalent superclass vtables. */~@ | |
306 | union ~A {~@ | |
307 | ~:{ struct ~A ~A;~%~}~ | |
308 | };~2%" | |
309 | (vtable-union-tag chain-tail chain-head) | |
310 | ||
311 | ;; As for the ichain union, make sure the most specific | |
312 | ;; class is first. | |
313 | (mapcar (lambda (super) | |
314 | (list (vtable-struct-tag super chain-head) | |
315 | (sod-class-nickname super))) | |
316 | (sod-class-chain chain-tail)))))) | |
1f1d88f5 | 317 | (sequence-output (stream sequencer) |
1f1d88f5 | 318 | ((class :vtable-externs) |
7c3bae74 | 319 | (format stream "~@<extern const union ~A ~2I~_~A;~:>~%" |
c2438e62 | 320 | (vtable-union-tag chain-tail chain-head) |
7c3bae74 | 321 | (vtable-name class chain-head)))))) |
1f1d88f5 | 322 | |
5b0a2bdb | 323 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :h)) sequencer) |
4b8e5c03 | 324 | (with-slots ((class %class) subclass chain-head chain-tail) vtmsgs |
1f1d88f5 MW |
325 | (sequence-output (stream sequencer) |
326 | ((subclass :vtable chain-head :slots) | |
327 | (format stream " struct ~A ~A;~%" | |
328 | (vtmsgs-struct-tag subclass class) | |
329 | (sod-class-nickname class)))))) | |
330 | ||
5b0a2bdb MW |
331 | (defmethod hook-output progn ((vtmsgs vtmsgs) |
332 | (reason (eql 'vtmsgs)) | |
333 | sequencer) | |
1f1d88f5 | 334 | (when (vtmsgs-entries vtmsgs) |
4b8e5c03 | 335 | (with-slots ((class %class) subclass) vtmsgs |
1f1d88f5 MW |
336 | (sequence-output (stream sequencer) |
337 | :constraint ((subclass :vtmsgs :start) | |
338 | (subclass :vtmsgs class :start) | |
339 | (subclass :vtmsgs class :slots) | |
340 | (subclass :vtmsgs class :end) | |
341 | (subclass :vtmsgs :end)) | |
342 | ((subclass :vtmsgs class :start) | |
a07d8d00 | 343 | (format stream "/* Messages protocol from class ~A */~@ |
ddee4bb1 MW |
344 | struct ~A {~%" |
345 | class | |
346 | (vtmsgs-struct-tag subclass class))) | |
1f1d88f5 MW |
347 | ((subclass :vtmsgs class :end) |
348 | (format stream "};~2%")))))) | |
349 | ||
5b0a2bdb MW |
350 | (defmethod hook-output progn ((entry method-entry) |
351 | (reason (eql 'vtmsgs)) | |
352 | sequencer) | |
ddee4bb1 MW |
353 | (let* ((method (method-entry-effective-method entry)) |
354 | (message (effective-method-message method)) | |
1f1d88f5 | 355 | (class (effective-method-class method)) |
9ec578d9 MW |
356 | (function-type (method-entry-function-type entry)) |
357 | (commented-type (commentify-function-type function-type)) | |
358 | (pointer-type (make-pointer-type commented-type))) | |
1f1d88f5 MW |
359 | (sequence-output (stream sequencer) |
360 | ((class :vtmsgs (sod-message-class message) :slots) | |
361 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
b426ab51 | 362 | (pprint-c-type pointer-type stream (method-entry-slot-name entry))) |
1f1d88f5 MW |
363 | (terpri stream))))) |
364 | ||
5b0a2bdb MW |
365 | (defmethod hook-output progn ((cptr class-pointer) |
366 | (reason (eql :h)) | |
367 | sequencer) | |
4b8e5c03 | 368 | (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr |
1f1d88f5 MW |
369 | (sequence-output (stream sequencer) |
370 | ((class :vtable chain-head :slots) | |
371 | (format stream " const ~A *~:[_class~;~:*_cls_~A~];~%" | |
372 | metaclass | |
9ec578d9 MW |
373 | (and (sod-class-direct-superclasses meta-chain-head) |
374 | (sod-class-nickname meta-chain-head))))))) | |
1f1d88f5 | 375 | |
5b0a2bdb | 376 | (defmethod hook-output progn ((boff base-offset) (reason (eql :h)) sequencer) |
4b8e5c03 | 377 | (with-slots ((class %class) chain-head) boff |
1f1d88f5 MW |
378 | (sequence-output (stream sequencer) |
379 | ((class :vtable chain-head :slots) | |
380 | (write-line " size_t _base;" stream))))) | |
381 | ||
5b0a2bdb MW |
382 | (defmethod hook-output progn ((choff chain-offset) |
383 | (reason (eql :h)) | |
384 | sequencer) | |
4b8e5c03 | 385 | (with-slots ((class %class) chain-head target-head) choff |
1f1d88f5 MW |
386 | (sequence-output (stream sequencer) |
387 | ((class :vtable chain-head :slots) | |
388 | (format stream " ptrdiff_t _off_~A;~%" | |
389 | (sod-class-nickname target-head)))))) | |
390 | ||
391 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
392 | ;;; Implementation output. |
393 | ||
6e2d4b52 | 394 | (export '*instance-class*) |
4b856491 MW |
395 | (defvar *instance-class* nil |
396 | "The class currently being output. | |
397 | ||
398 | This is bound during the `hook-output' traversal of a class layout for | |
399 | `:c' output, since some of the objects traversed actually `belong' to | |
400 | superclasses and there's no other way to find out what the reference class | |
401 | actually is. | |
402 | ||
403 | It may be bound at other times.") | |
3be8c2bf | 404 | |
5b0a2bdb | 405 | (defmethod hook-output progn ((class sod-class) (reason (eql :c)) sequencer) |
3be8c2bf MW |
406 | (sequence-output (stream sequencer) |
407 | ||
408 | :constraint | |
409 | ((:classes :start) | |
410 | (class :banner) | |
411 | (class :direct-methods :start) (class :direct-methods :end) | |
a07d8d00 | 412 | (class :effective-methods) |
3be8c2bf MW |
413 | (class :vtables :start) (class :vtables :end) |
414 | (class :object :prepare) (class :object :start) (class :object :end) | |
415 | (:classes :end)) | |
416 | ||
417 | ((class :banner) | |
418 | (banner (format nil "Class ~A" class) stream)) | |
419 | ||
420 | ((class :object :start) | |
421 | (format stream "~ | |
422 | /* The class object. */ | |
423 | const struct ~A ~A__classobj = {~%" | |
424 | (ilayout-struct-tag (sod-class-metaclass class)) | |
425 | class)) | |
426 | ((class :object :end) | |
427 | (format stream "};~2%"))) | |
428 | ||
429 | (let ((*instance-class* class)) | |
dea4d055 | 430 | (hook-output (sod-class-ilayout (sod-class-metaclass class)) |
6e2d4b52 | 431 | 'class sequencer))) |
3be8c2bf MW |
432 | |
433 | ;;;-------------------------------------------------------------------------- | |
9ec578d9 | 434 | ;;; Direct and effective methods. |
3be8c2bf | 435 | |
5b0a2bdb MW |
436 | (defmethod hook-output progn ((method delegating-direct-method) |
437 | (reason (eql :c)) | |
438 | sequencer) | |
4b8e5c03 | 439 | (with-slots ((class %class) body) method |
3be8c2bf | 440 | (unless body |
dea4d055 | 441 | (return-from hook-output)) |
3be8c2bf MW |
442 | (sequence-output (stream sequencer) |
443 | ((class :direct-method method :start) | |
444 | (format stream "#define CALL_NEXT_METHOD (next_method(~{~A~^, ~}))~%" | |
445 | (mapcar #'argument-name | |
446 | (c-function-arguments (sod-method-next-method-type | |
447 | method))))) | |
448 | ((class :direct-method method :end) | |
449 | (format stream "#undef CALL_NEXT_METHOD~%"))))) | |
450 | ||
5b0a2bdb MW |
451 | (defmethod hook-output progn ((method sod-method) |
452 | (reason (eql :c)) | |
453 | sequencer) | |
4b8e5c03 | 454 | (with-slots ((class %class) body) method |
3be8c2bf | 455 | (unless body |
dea4d055 | 456 | (return-from hook-output)) |
3be8c2bf MW |
457 | (sequence-output (stream sequencer) |
458 | :constraint ((class :direct-methods :start) | |
459 | (class :direct-method method :start) | |
460 | (class :direct-method method :body) | |
461 | (class :direct-method method :end) | |
462 | (class :direct-methods :end)) | |
463 | ((class :direct-method method :body) | |
464 | (pprint-c-type (sod-method-function-type method) | |
465 | stream | |
466 | (sod-method-function-name method)) | |
467 | (format stream "~&{~%") | |
468 | (write body :stream stream :pretty nil :escape nil) | |
469 | (format stream "~&}~%")) | |
470 | ((class :direct-method method :end) | |
471 | (terpri stream))))) | |
472 | ||
5b0a2bdb MW |
473 | (defmethod hook-output progn ((method basic-effective-method) |
474 | (reason (eql :c)) | |
dea4d055 | 475 | sequencer) |
4b8e5c03 | 476 | (with-slots ((class %class) functions) method |
dea4d055 MW |
477 | (sequence-output (stream sequencer) |
478 | ((class :effective-methods) | |
479 | (dolist (func functions) | |
480 | (write func :stream stream :escape nil :circle nil)))))) | |
481 | ||
3be8c2bf | 482 | ;;;-------------------------------------------------------------------------- |
a07d8d00 MW |
483 | ;;; Vtables. |
484 | ||
5b0a2bdb | 485 | (defmethod hook-output progn ((vtable vtable) (reason (eql :c)) sequencer) |
4b8e5c03 | 486 | (with-slots ((class %class) chain-head chain-tail) vtable |
a07d8d00 MW |
487 | (sequence-output (stream sequencer) |
488 | :constraint ((class :vtables :start) | |
489 | (class :vtable chain-head :start) | |
490 | (class :vtable chain-head :end) | |
491 | (class :vtables :end)) | |
492 | ((class :vtable chain-head :start) | |
493 | (format stream "/* Vtable for ~A chain. */~@ | |
c2438e62 | 494 | const union ~A ~A = { {~%" |
a07d8d00 | 495 | chain-head |
c2438e62 | 496 | (vtable-union-tag chain-tail chain-head) |
9ec578d9 | 497 | (vtable-name class chain-head))) |
a07d8d00 | 498 | ((class :vtable chain-head :end) |
c2438e62 | 499 | (format stream "} };~2%"))))) |
a07d8d00 | 500 | |
5b0a2bdb MW |
501 | (defmethod hook-output progn ((cptr class-pointer) |
502 | (reason (eql :c)) | |
503 | sequencer) | |
4b8e5c03 | 504 | (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr |
a07d8d00 MW |
505 | (sequence-output (stream sequencer) |
506 | :constraint ((class :vtable chain-head :start) | |
507 | (class :vtable chain-head :class-pointer metaclass) | |
508 | (class :vtable chain-head :end)) | |
509 | ((class :vtable chain-head :class-pointer metaclass) | |
9ec578d9 MW |
510 | (format stream " /* ~21@A = */ &~A__classobj.~A.~A,~%" |
511 | (if (sod-class-direct-superclasses meta-chain-head) | |
512 | (format nil "_cls_~A" | |
513 | (sod-class-nickname meta-chain-head)) | |
514 | "_class") | |
fc5d9486 | 515 | class |
a07d8d00 MW |
516 | (sod-class-nickname meta-chain-head) |
517 | (sod-class-nickname metaclass)))))) | |
518 | ||
5b0a2bdb | 519 | (defmethod hook-output progn ((boff base-offset) (reason (eql :c)) sequencer) |
4b8e5c03 | 520 | (with-slots ((class %class) chain-head) boff |
a07d8d00 MW |
521 | (sequence-output (stream sequencer) |
522 | :constraint ((class :vtable chain-head :start) | |
523 | (class :vtable chain-head :base-offset) | |
524 | (class :vtable chain-head :end)) | |
525 | ((class :vtable chain-head :base-offset) | |
9ec578d9 MW |
526 | (format stream " /* ~21@A = */ offsetof(struct ~A, ~A),~%" |
527 | "_base" | |
a07d8d00 MW |
528 | (ilayout-struct-tag class) |
529 | (sod-class-nickname chain-head)))))) | |
530 | ||
5b0a2bdb MW |
531 | (defmethod hook-output progn ((choff chain-offset) |
532 | (reason (eql :c)) | |
533 | sequencer) | |
4b8e5c03 | 534 | (with-slots ((class %class) chain-head target-head) choff |
a07d8d00 MW |
535 | (sequence-output (stream sequencer) |
536 | :constraint ((class :vtable chain-head :start) | |
537 | (class :vtable chain-head :chain-offset target-head) | |
538 | (class :vtable chain-head :end)) | |
539 | ((class :vtable chain-head :chain-offset target-head) | |
9ec578d9 MW |
540 | (format stream " /* ~21@A = */ SOD_OFFSETDIFF(struct ~A, ~A, ~A),~%" |
541 | (format nil "_off_~A" (sod-class-nickname target-head)) | |
a07d8d00 MW |
542 | (ilayout-struct-tag class) |
543 | (sod-class-nickname chain-head) | |
544 | (sod-class-nickname target-head)))))) | |
545 | ||
5b0a2bdb | 546 | (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :c)) sequencer) |
4b8e5c03 | 547 | (with-slots ((class %class) subclass chain-head) vtmsgs |
a07d8d00 MW |
548 | (sequence-output (stream sequencer) |
549 | :constraint ((subclass :vtable chain-head :start) | |
550 | (subclass :vtable chain-head :vtmsgs class :start) | |
551 | (subclass :vtable chain-head :vtmsgs class :slots) | |
552 | (subclass :vtable chain-head :vtmsgs class :end) | |
553 | (subclass :vtable chain-head :end)) | |
554 | ((subclass :vtable chain-head :vtmsgs class :start) | |
555 | (format stream " { /* Method entries for ~A messages. */~%" | |
556 | class)) | |
557 | ((subclass :vtable chain-head :vtmsgs class :end) | |
558 | (format stream " },~%"))))) | |
559 | ||
5b0a2bdb MW |
560 | (defmethod hook-output progn ((entry method-entry) |
561 | (reason (eql :c)) | |
562 | sequencer) | |
4b8e5c03 | 563 | (with-slots ((method %method) chain-head chain-tail role) entry |
a07d8d00 MW |
564 | (let* ((message (effective-method-message method)) |
565 | (class (effective-method-class method)) | |
566 | (super (sod-message-class message))) | |
567 | (sequence-output (stream sequencer) | |
568 | ((class :vtable chain-head :vtmsgs super :slots) | |
9ec578d9 | 569 | (format stream " /* ~19@A = */ ~A,~%" |
b426ab51 MW |
570 | (method-entry-slot-name entry) |
571 | (method-entry-function-name method chain-head role))))))) | |
a07d8d00 MW |
572 | |
573 | ;;;-------------------------------------------------------------------------- | |
3be8c2bf MW |
574 | ;;; Filling in the class object. |
575 | ||
5b0a2bdb MW |
576 | (defmethod hook-output progn ((ichain ichain) |
577 | (reason (eql 'class)) | |
578 | sequencer) | |
4b8e5c03 | 579 | (with-slots ((class %class) chain-head) ichain |
3be8c2bf MW |
580 | (sequence-output (stream sequencer) |
581 | :constraint ((*instance-class* :object :start) | |
582 | (*instance-class* :object chain-head :ichain :start) | |
583 | (*instance-class* :object chain-head :ichain :end) | |
584 | (*instance-class* :object :end)) | |
585 | ((*instance-class* :object chain-head :ichain :start) | |
586 | (format stream " { { /* ~A ichain */~%" | |
587 | (sod-class-nickname chain-head))) | |
588 | ((*instance-class* :object chain-head :ichain :end) | |
589 | (format stream " } },~%"))))) | |
590 | ||
5b0a2bdb MW |
591 | (defmethod hook-output progn ((islots islots) |
592 | (reason (eql 'class)) | |
593 | sequencer) | |
4b8e5c03 | 594 | (with-slots ((class %class)) islots |
3be8c2bf MW |
595 | (let ((chain-head (sod-class-chain-head class))) |
596 | (sequence-output (stream sequencer) | |
597 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
598 | (*instance-class* :object class :slots :start) | |
599 | (*instance-class* :object class :slots) | |
600 | (*instance-class* :object class :slots :end) | |
601 | (*instance-class* :object chain-head :ichain :end)) | |
602 | ((*instance-class* :object class :slots :start) | |
603 | (format stream " { /* Class ~A */~%" class)) | |
604 | ((*instance-class* :object class :slots :end) | |
605 | (format stream " },~%")))))) | |
606 | ||
5b0a2bdb MW |
607 | (defmethod hook-output progn ((vtptr vtable-pointer) |
608 | (reason (eql 'class)) | |
609 | sequencer) | |
4b8e5c03 | 610 | (with-slots ((class %class) chain-head chain-tail) vtptr |
3be8c2bf MW |
611 | (sequence-output (stream sequencer) |
612 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
613 | (*instance-class* :object chain-head :vtable) | |
614 | (*instance-class* :object chain-head :ichain :end)) | |
615 | ((*instance-class* :object chain-head :vtable) | |
c2438e62 MW |
616 | (format stream " /* ~17@A = */ &~A.~A,~%" |
617 | "_vt" | |
618 | (vtable-name class chain-head) | |
619 | (sod-class-nickname chain-tail)))))) | |
3be8c2bf MW |
620 | |
621 | (defgeneric find-class-initializer (slot class) | |
622 | (:method ((slot effective-slot) (class sod-class)) | |
623 | (let ((dslot (effective-slot-direct-slot slot))) | |
624 | (or (some (lambda (super) | |
625 | (find dslot (sod-class-class-initializers super) | |
626 | :test #'sod-initializer-slot)) | |
627 | (sod-class-precedence-list class)) | |
628 | (effective-slot-initializer slot))))) | |
629 | ||
630 | (defgeneric output-class-initializer (slot instance stream) | |
631 | (:method ((slot sod-class-effective-slot) (instance sod-class) stream) | |
9ec578d9 MW |
632 | (let ((func (effective-slot-initializer-function slot)) |
633 | (direct-slot (effective-slot-direct-slot slot))) | |
3be8c2bf | 634 | (if func |
9ec578d9 MW |
635 | (format stream " /* ~15@A = */ ~A,~%" |
636 | (sod-slot-name direct-slot) | |
637 | (funcall func instance)) | |
3be8c2bf MW |
638 | (call-next-method)))) |
639 | (:method ((slot effective-slot) (instance sod-class) stream) | |
9ec578d9 MW |
640 | (let ((init (find-class-initializer slot instance)) |
641 | (direct-slot (effective-slot-direct-slot slot))) | |
3be8c2bf | 642 | (ecase (sod-initializer-value-kind init) |
9ec578d9 MW |
643 | (:simple (format stream " /* ~15@A = */ ~A,~%" |
644 | (sod-slot-name direct-slot) | |
3be8c2bf | 645 | (sod-initializer-value-form init))) |
9ec578d9 MW |
646 | (:compound (format stream " /* ~15@A = */ ~@<{ ~;~A~; },~:>~%" |
647 | (sod-slot-name direct-slot) | |
648 | (sod-initializer-value-form init))))))) | |
3be8c2bf | 649 | |
5b0a2bdb MW |
650 | (defmethod hook-output progn ((slot sod-class-effective-slot) |
651 | (reason (eql 'class)) | |
652 | sequencer) | |
3be8c2bf MW |
653 | (let ((instance *instance-class*) |
654 | (func (effective-slot-prepare-function slot))) | |
655 | (when func | |
656 | (sequence-output (stream sequencer) | |
657 | ((instance :object :prepare) | |
658 | (funcall func instance stream)))))) | |
659 | ||
5b0a2bdb MW |
660 | (defmethod hook-output progn ((slot effective-slot) |
661 | (reason (eql 'class)) | |
662 | sequencer) | |
4b8e5c03 | 663 | (with-slots ((class %class) (dslot slot)) slot |
3be8c2bf MW |
664 | (let ((instance *instance-class*) |
665 | (super (sod-slot-class dslot))) | |
666 | (sequence-output (stream sequencer) | |
667 | ((instance :object super :slots) | |
668 | (output-class-initializer slot instance stream)))))) | |
669 | ||
1f1d88f5 | 670 | ;;;----- That's all, folks -------------------------------------------------- |