~mdw / sod / blame
| Commit | Line | Data |
|---|---|---|
| 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) |
| 4b8e5c03 | 168 | (with-slots ((ilayout %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) |
| 4b8e5c03 | 195 | (with-slots ((class %class) ichains) ilayout |
| 1f1d88f5 MW |
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) |
| 4b8e5c03 | 207 | (with-slots ((class %class) chain-head chain-tail) ichain |
| ddee4bb1 MW |
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) | |
| 4b8e5c03 | 238 | (with-slots ((class %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) | |
| 4b8e5c03 | 248 | (with-slots ((class %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) |
| 4b8e5c03 | 259 | (with-slots ((class %class) subclass slots) islots |
| 1f1d88f5 MW |
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) | |
| 4b8e5c03 | 276 | (with-slots ((class %class)) method |
| ddee4bb1 MW |
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) |
| 4b8e5c03 | 286 | (with-slots ((class %class) chain-head chain-tail) vtable |
| ddee4bb1 MW |
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) |
| 4b8e5c03 | 319 | (with-slots ((class %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 | 329 | (when (vtmsgs-entries vtmsgs) |
| 4b8e5c03 | 330 | (with-slots ((class %class) subclass) vtmsgs |
| 1f1d88f5 MW |
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) | |
| 4b8e5c03 | 367 | (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr |
| 1f1d88f5 MW |
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) |
| 4b8e5c03 | 376 | (with-slots ((class %class) chain-head) boff |
| 1f1d88f5 MW |
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) | |
| 4b8e5c03 | 384 | (with-slots ((class %class) chain-head target-head) choff |
| 1f1d88f5 MW |
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) | |
| 4b8e5c03 | 430 | (with-slots ((class %class) body) method |
| 3be8c2bf | 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) | |
| 4b8e5c03 | 445 | (with-slots ((class %class) body) method |
| 3be8c2bf | 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 | 466 | sequencer) |
| 4b8e5c03 | 467 | (with-slots ((class %class) functions) method |
| dea4d055 MW |
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) |
| 4b8e5c03 | 477 | (with-slots ((class %class) chain-head chain-tail) vtable |
| a07d8d00 MW |
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) | |
| 4b8e5c03 | 495 | (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr |
| a07d8d00 MW |
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) |
| 4b8e5c03 | 511 | (with-slots ((class %class) chain-head) boff |
| a07d8d00 MW |
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) | |
| 4b8e5c03 | 525 | (with-slots ((class %class) chain-head target-head) choff |
| a07d8d00 MW |
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) |
| 4b8e5c03 | 538 | (with-slots ((class %class) subclass chain-head) vtmsgs |
| a07d8d00 MW |
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) | |
| 4b8e5c03 | 554 | (with-slots ((method %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) | |
| 4b8e5c03 | 570 | (with-slots ((class %class) chain-head) ichain |
| 3be8c2bf MW |
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) | |
| 4b8e5c03 | 585 | (with-slots ((class %class)) islots |
| 3be8c2bf MW |
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) | |
| 4b8e5c03 | 601 | (with-slots ((class %class) chain-head chain-tail) vtptr |
| 3be8c2bf MW |
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) | |
| 4b8e5c03 | 654 | (with-slots ((class %class) (dslot slot)) slot |
| 3be8c2bf MW |
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 -------------------------------------------------- |