~mdw / sod / blame
| Commit | Line | Data |
|---|---|---|
| 1f1d88f5 MW |
1 | ;;; -*-lisp-*- |
| 2 | ;;; | |
| 3 | ;;; Output functions for classes | |
| 4 | ;;; | |
| 5 | ;;; (c) 2009 Straylight/Edgeware | |
| 6 | ;;; | |
| 7 | ||
| 8 | ;;;----- Licensing notice --------------------------------------------------- | |
| 9 | ;;; | |
| 10 | ;;; This file is part of the Simple Object Definition system. | |
| 11 | ;;; | |
| 12 | ;;; SOD is free software; you can redistribute it and/or modify | |
| 13 | ;;; it under the terms of the GNU General Public License as published by | |
| 14 | ;;; the Free Software Foundation; either version 2 of the License, or | |
| 15 | ;;; (at your option) any later version. | |
| 16 | ;;; | |
| 17 | ;;; SOD is distributed in the hope that it will be useful, | |
| 18 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 | ;;; GNU General Public License for more details. | |
| 21 | ;;; | |
| 22 | ;;; You should have received a copy of the GNU General Public License | |
| 23 | ;;; along with SOD; if not, write to the Free Software Foundation, | |
| 24 | ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 25 | ||
| 26 | (cl:in-package #:sod) | |
| 27 | ||
| 28 | ;;;-------------------------------------------------------------------------- | |
| 29 | ;;; Utility macro. | |
| 30 | ||
| 31 | (defmacro sequence-output | |
| 32 | ((streamvar sequencer) &body clauses) | |
| 33 | (let ((seqvar (gensym "SEQ"))) | |
| 34 | (labels ((convert-item-name (name) | |
| 35 | (if (listp name) | |
| 36 | (cons 'list name) | |
| 37 | name)) | |
| 38 | (convert-constraint (constraint) | |
| 39 | (cons 'list (mapcar #'convert-item-name constraint))) | |
| 40 | (process-body (clauses) | |
| 41 | (if (eq (car clauses) :constraint) | |
| 42 | (cons `(add-sequencer-constraint | |
| 43 | ,seqvar | |
| 44 | ,(convert-constraint (cadr clauses))) | |
| 45 | (process-body (cddr clauses))) | |
| 46 | (mapcar (lambda (clause) | |
| 47 | (let ((name (car clause)) | |
| 48 | (body (cdr clause))) | |
| 49 | `(add-sequencer-item-function | |
| 50 | ,seqvar | |
| 51 | ,(convert-item-name name) | |
| 52 | (lambda (,streamvar) | |
| 53 | ,@body)))) | |
| 54 | clauses)))) | |
| 55 | `(let ((,seqvar ,sequencer)) | |
| 56 | ,@(process-body clauses))))) | |
| 57 | ||
| 58 | ;;;-------------------------------------------------------------------------- | |
| 59 | ;;; Classes. | |
| 60 | ||
| 61 | (defmethod add-output-hooks progn | |
| 62 | ((class sod-class) (reason (eql :h)) sequencer) | |
| 63 | ||
| 64 | ;; Main output sequencing. | |
| 65 | (sequence-output (stream sequencer) | |
| 66 | ||
| 67 | :constraint | |
| 1f1d88f5 MW |
68 | ((:classes :start) |
| 69 | (class :banner) | |
| 70 | (class :islots :start) (class :islots :slots) (class :islots :end) | |
| 71 | (class :vtmsgs :start) (class :vtmsgs :end) | |
| 72 | (class :vtables :start) (class :vtables :end) | |
| 73 | (class :vtable-externs) (class :vtable-externs-after) | |
| ddee4bb1 | 74 | (class :methods :start) (class :methods) (class :methods :end) |
| 1f1d88f5 MW |
75 | (class :ichains :start) (class :ichains :end) |
| 76 | (class :ilayout :start) (class :ilayout :slots) (class :ilayout :end) | |
| 77 | (class :conversions) | |
| ddee4bb1 | 78 | (class :object) |
| 1f1d88f5 MW |
79 | (:classes :end)) |
| 80 | ||
| 81 | (:typedefs | |
| 82 | (format stream "typedef struct ~A ~A;~%" | |
| 83 | (ichain-struct-tag class (sod-class-chain-head class)) class)) | |
| 84 | ||
| 85 | ((class :banner) | |
| 86 | (banner (format nil "Class ~A" class) stream)) | |
| 87 | ((class :vtable-externs-after) | |
| ddee4bb1 MW |
88 | (terpri stream)) |
| 89 | ||
| 90 | ((class :vtable-externs) | |
| 91 | (format stream "/* Vtable structures. */~%")) | |
| 92 | ||
| 93 | ((class :object) | |
| 94 | (let ((metaclass (sod-class-metaclass class)) | |
| 95 | (metaroot (find-root-metaclass class))) | |
| 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)) | |
| 106 | (add-output-hooks slot 'populate-islots sequencer)) | |
| 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))) | |
| ddee4bb1 MW |
131 | (format stream "#define ~:@(~A__CONV_~A~)(p) ((~A *)~ |
| 132 | ~:[SOD_XCHAIN(~A, (p))~;(p)~])~%" | |
| 1f1d88f5 MW |
133 | class (sod-class-nickname super) super |
| 134 | (eq chain-head super-head) | |
| ddee4bb1 MW |
135 | (sod-class-nickname super-head)))) |
| 136 | (terpri stream))))) | |
| 1f1d88f5 MW |
137 | |
| 138 | ;; Generate vtmsgs structure for all superclasses. | |
| 139 | (add-output-hooks (car (sod-class-vtables class)) | |
| 140 | 'populate-vtmsgs | |
| 141 | sequencer)) | |
| 142 | ||
| 143 | (defmethod add-output-hooks progn ((class sod-class) reason sequencer) | |
| a07d8d00 | 144 | (with-slots (ilayout vtables methods effective-methods) class |
| 1f1d88f5 | 145 | (add-output-hooks ilayout reason sequencer) |
| ddee4bb1 | 146 | (dolist (method methods) (add-output-hooks method reason sequencer)) |
| a07d8d00 MW |
147 | (dolist (method effective-methods) |
| 148 | (add-output-hooks method reason sequencer)) | |
| 1f1d88f5 MW |
149 | (dolist (vtable vtables) (add-output-hooks vtable reason sequencer)))) |
| 150 | ||
| 151 | ;;;-------------------------------------------------------------------------- | |
| 152 | ;;; Instance structure. | |
| 153 | ||
| 154 | (defmethod add-output-hooks progn | |
| 155 | ((slot sod-slot) (reason (eql 'populate-islots)) sequencer) | |
| 156 | (sequence-output (stream sequencer) | |
| 157 | (((sod-slot-class slot) :islots :slots) | |
| 158 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
| 159 | (pprint-c-type (sod-slot-type slot) stream (sod-slot-name slot))) | |
| 160 | (terpri stream)))) | |
| 161 | ||
| 162 | (defmethod add-output-hooks progn ((ilayout ilayout) reason sequencer) | |
| 163 | (with-slots (ichains) ilayout | |
| 164 | (dolist (ichain ichains) (add-output-hooks ichain reason sequencer)))) | |
| 165 | ||
| 166 | (defmethod add-output-hooks progn | |
| 167 | ((ilayout ilayout) (reason (eql :h)) sequencer) | |
| 168 | (with-slots (class ichains) ilayout | |
| 169 | (sequence-output (stream sequencer) | |
| 170 | ((class :ilayout :start) | |
| a07d8d00 | 171 | (format stream "/* Instance layout. */~@ |
| ddee4bb1 MW |
172 | struct ~A {~%" |
| 173 | (ilayout-struct-tag class))) | |
| 1f1d88f5 MW |
174 | ((class :ilayout :end) |
| 175 | (format stream "};~2%"))) | |
| 176 | (dolist (ichain ichains) | |
| 177 | (add-output-hooks ichain 'populate-ilayout sequencer)))) | |
| 178 | ||
| 179 | (defmethod add-output-hooks progn | |
| 180 | ((ichain ichain) (reason (eql :h)) sequencer) | |
| ddee4bb1 MW |
181 | (with-slots (class chain-head chain-tail) ichain |
| 182 | (when (eq class chain-tail) | |
| 183 | (sequence-output (stream sequencer) | |
| 184 | :constraint ((class :ichains :start) | |
| 185 | (class :ichain chain-head :start) | |
| 186 | (class :ichain chain-head :slots) | |
| 187 | (class :ichain chain-head :end) | |
| 188 | (class :ichains :end)) | |
| 189 | ((class :ichain chain-head :start) | |
| a07d8d00 | 190 | (format stream "/* Instance chain structure. */~@ |
| ddee4bb1 MW |
191 | struct ~A {~%" |
| 192 | (ichain-struct-tag chain-tail chain-head))) | |
| 193 | ((class :ichain chain-head :end) | |
| 194 | (format stream "};~2%") | |
| a07d8d00 MW |
195 | (format stream "/* Union of equivalent superclass chains. */~@ |
| 196 | union ~A {~@ | |
| ddee4bb1 MW |
197 | ~:{ struct ~A ~A;~%~}~ |
| 198 | };~2%" | |
| 199 | (ichain-union-tag chain-tail chain-head) | |
| 200 | (mapcar (lambda (super) | |
| 201 | (list (ichain-struct-tag super chain-head) | |
| 202 | (sod-class-nickname super))) | |
| 203 | (sod-class-chain chain-tail)))))))) | |
| 1f1d88f5 MW |
204 | |
| 205 | (defmethod add-output-hooks progn | |
| 206 | ((ichain ichain) (reason (eql 'populate-ilayout)) sequencer) | |
| ddee4bb1 | 207 | (with-slots (class chain-head chain-tail) ichain |
| 1f1d88f5 MW |
208 | (sequence-output (stream sequencer) |
| 209 | ((class :ilayout :slots) | |
| ddee4bb1 MW |
210 | (format stream " union ~A ~A;~%" |
| 211 | (ichain-union-tag chain-tail chain-head) | |
| 1f1d88f5 MW |
212 | (sod-class-nickname chain-head)))))) |
| 213 | ||
| 1f1d88f5 MW |
214 | (defmethod add-output-hooks progn |
| 215 | ((vtptr vtable-pointer) (reason (eql :h)) sequencer) | |
| ddee4bb1 | 216 | (with-slots (class chain-head chain-tail) vtptr |
| 1f1d88f5 MW |
217 | (sequence-output (stream sequencer) |
| 218 | ((class :ichain chain-head :slots) | |
| 219 | (format stream " const struct ~A *_vt;~%" | |
| ddee4bb1 | 220 | (vtable-struct-tag chain-tail chain-head)))))) |
| 1f1d88f5 | 221 | |
| 3be8c2bf MW |
222 | (defmethod add-output-hooks progn ((islots islots) reason sequencer) |
| 223 | (dolist (slot (islots-slots islots)) | |
| 224 | (add-output-hooks slot reason sequencer))) | |
| 225 | ||
| 1f1d88f5 MW |
226 | (defmethod add-output-hooks progn |
| 227 | ((islots islots) (reason (eql :h)) sequencer) | |
| 228 | (with-slots (class subclass slots) islots | |
| 229 | (sequence-output (stream sequencer) | |
| 230 | ((subclass :ichain (sod-class-chain-head class) :slots) | |
| 231 | (format stream " struct ~A ~A;~%" | |
| 232 | (islots-struct-tag class) | |
| 233 | (sod-class-nickname class)))))) | |
| 234 | ||
| 235 | ;;;-------------------------------------------------------------------------- | |
| 236 | ;;; Vtable structure. | |
| 237 | ||
| 238 | (defmethod add-output-hooks progn ((vtable vtable) reason sequencer) | |
| 239 | (with-slots (body) vtable | |
| 240 | (dolist (item body) (add-output-hooks item reason sequencer)))) | |
| 241 | ||
| 242 | (defmethod add-output-hooks progn | |
| ddee4bb1 MW |
243 | ((method sod-method) (reason (eql :h)) sequencer) |
| 244 | (with-slots (class) method | |
| 245 | (sequence-output (stream sequencer) | |
| 246 | ((class :methods) | |
| 247 | (let ((type (sod-method-function-type method))) | |
| 248 | (princ "extern " stream) | |
| 249 | (pprint-c-type (commentify-function-type type) stream | |
| 250 | (sod-method-function-name method)) | |
| 251 | (format stream ";~%")))))) | |
| 252 | ||
| 253 | (defmethod add-output-hooks progn | |
| 1f1d88f5 | 254 | ((vtable vtable) (reason (eql :h)) sequencer) |
| ddee4bb1 MW |
255 | (with-slots (class chain-head chain-tail) vtable |
| 256 | (when (eq class chain-tail) | |
| 257 | (sequence-output (stream sequencer) | |
| 258 | :constraint ((class :vtables :start) | |
| 259 | (class :vtable chain-head :start) | |
| 260 | (class :vtable chain-head :slots) | |
| 261 | (class :vtable chain-head :end) | |
| 262 | (class :vtables :end)) | |
| 263 | ((class :vtable chain-head :start) | |
| a07d8d00 | 264 | (format stream "/* Vtable structure. */~@ |
| ddee4bb1 MW |
265 | struct ~A {~%" |
| 266 | (vtable-struct-tag chain-tail chain-head))) | |
| 267 | ((class :vtable chain-head :end) | |
| 268 | (format stream "};~2%")))) | |
| 1f1d88f5 | 269 | (sequence-output (stream sequencer) |
| 1f1d88f5 MW |
270 | ((class :vtable-externs) |
| 271 | (format stream "~@<extern struct ~A ~2I~_~A__vtable_~A;~:>~%" | |
| ddee4bb1 | 272 | (vtable-struct-tag chain-tail chain-head) |
| 1f1d88f5 MW |
273 | class (sod-class-nickname chain-head)))))) |
| 274 | ||
| 275 | (defmethod add-output-hooks progn | |
| 276 | ((vtmsgs vtmsgs) (reason (eql :h)) sequencer) | |
| ddee4bb1 | 277 | (with-slots (class subclass chain-head chain-tail) vtmsgs |
| 1f1d88f5 MW |
278 | (sequence-output (stream sequencer) |
| 279 | ((subclass :vtable chain-head :slots) | |
| 280 | (format stream " struct ~A ~A;~%" | |
| 281 | (vtmsgs-struct-tag subclass class) | |
| 282 | (sod-class-nickname class)))))) | |
| 283 | ||
| 284 | (defmethod add-output-hooks progn | |
| 285 | ((vtmsgs vtmsgs) (reason (eql 'populate-vtmsgs)) sequencer) | |
| 286 | (when (vtmsgs-entries vtmsgs) | |
| 287 | (with-slots (class subclass) vtmsgs | |
| 288 | (sequence-output (stream sequencer) | |
| 289 | :constraint ((subclass :vtmsgs :start) | |
| 290 | (subclass :vtmsgs class :start) | |
| 291 | (subclass :vtmsgs class :slots) | |
| 292 | (subclass :vtmsgs class :end) | |
| 293 | (subclass :vtmsgs :end)) | |
| 294 | ((subclass :vtmsgs class :start) | |
| a07d8d00 | 295 | (format stream "/* Messages protocol from class ~A */~@ |
| ddee4bb1 MW |
296 | struct ~A {~%" |
| 297 | class | |
| 298 | (vtmsgs-struct-tag subclass class))) | |
| 1f1d88f5 MW |
299 | ((subclass :vtmsgs class :end) |
| 300 | (format stream "};~2%")))))) | |
| 301 | ||
| 302 | (defmethod add-output-hooks progn ((vtmsgs vtmsgs) reason sequencer) | |
| 303 | (with-slots (entries) vtmsgs | |
| 304 | (dolist (entry entries) (add-output-hooks entry reason sequencer)))) | |
| 305 | ||
| 306 | (defmethod add-output-hooks progn ((entry method-entry) reason sequencer) | |
| 307 | (with-slots (method) entry | |
| 308 | (add-output-hooks method reason sequencer))) | |
| 309 | ||
| 310 | (defmethod add-output-hooks progn | |
| ddee4bb1 MW |
311 | ((entry method-entry) (reason (eql 'populate-vtmsgs)) sequencer) |
| 312 | (let* ((method (method-entry-effective-method entry)) | |
| 313 | (message (effective-method-message method)) | |
| 1f1d88f5 | 314 | (class (effective-method-class method)) |
| ddee4bb1 MW |
315 | (type (method-entry-function-type entry)) |
| 316 | (commented-type (commentify-function-type type))) | |
| 1f1d88f5 MW |
317 | (sequence-output (stream sequencer) |
| 318 | ((class :vtmsgs (sod-message-class message) :slots) | |
| 319 | (pprint-logical-block (stream nil :prefix " " :suffix ";") | |
| ddee4bb1 | 320 | (pprint-c-type commented-type stream (sod-message-name message))) |
| 1f1d88f5 MW |
321 | (terpri stream))))) |
| 322 | ||
| 323 | (defmethod add-output-hooks progn | |
| 324 | ((cptr class-pointer) (reason (eql :h)) sequencer) | |
| 325 | (with-slots (class chain-head metaclass meta-chain-head) cptr | |
| 326 | (sequence-output (stream sequencer) | |
| 327 | ((class :vtable chain-head :slots) | |
| 328 | (format stream " const ~A *~:[_class~;~:*_cls_~A~];~%" | |
| 329 | metaclass | |
| 330 | (if (sod-class-direct-superclasses meta-chain-head) | |
| 331 | (sod-class-nickname meta-chain-head) | |
| 332 | nil)))))) | |
| 333 | ||
| 334 | (defmethod add-output-hooks progn | |
| 335 | ((boff base-offset) (reason (eql :h)) sequencer) | |
| 336 | (with-slots (class chain-head) boff | |
| 337 | (sequence-output (stream sequencer) | |
| 338 | ((class :vtable chain-head :slots) | |
| 339 | (write-line " size_t _base;" stream))))) | |
| 340 | ||
| 341 | (defmethod add-output-hooks progn | |
| 342 | ((choff chain-offset) (reason (eql :h)) sequencer) | |
| 343 | (with-slots (class chain-head target-head) choff | |
| 344 | (sequence-output (stream sequencer) | |
| 345 | ((class :vtable chain-head :slots) | |
| 346 | (format stream " ptrdiff_t _off_~A;~%" | |
| 347 | (sod-class-nickname target-head)))))) | |
| 348 | ||
| 349 | ;;;-------------------------------------------------------------------------- | |
| 3be8c2bf MW |
350 | ;;; Implementation output. |
| 351 | ||
| 352 | (defvar *instance-class*) | |
| 353 | ||
| 354 | (defmethod add-output-hooks progn | |
| 355 | ((class sod-class) (reason (eql :c)) sequencer) | |
| 356 | (sequence-output (stream sequencer) | |
| 357 | ||
| 358 | :constraint | |
| 359 | ((:classes :start) | |
| 360 | (class :banner) | |
| 361 | (class :direct-methods :start) (class :direct-methods :end) | |
| a07d8d00 | 362 | (class :effective-methods) |
| 3be8c2bf MW |
363 | (class :vtables :start) (class :vtables :end) |
| 364 | (class :object :prepare) (class :object :start) (class :object :end) | |
| 365 | (:classes :end)) | |
| 366 | ||
| 367 | ((class :banner) | |
| 368 | (banner (format nil "Class ~A" class) stream)) | |
| 369 | ||
| 370 | ((class :object :start) | |
| 371 | (format stream "~ | |
| 372 | /* The class object. */ | |
| 373 | const struct ~A ~A__classobj = {~%" | |
| 374 | (ilayout-struct-tag (sod-class-metaclass class)) | |
| 375 | class)) | |
| 376 | ((class :object :end) | |
| 377 | (format stream "};~2%"))) | |
| 378 | ||
| 379 | (let ((*instance-class* class)) | |
| 380 | (add-output-hooks (sod-class-ilayout (sod-class-metaclass class)) | |
| 381 | 'populate-class | |
| 382 | sequencer))) | |
| 383 | ||
| 384 | ;;;-------------------------------------------------------------------------- | |
| 385 | ;;; Direct methods. | |
| 386 | ||
| 3be8c2bf MW |
387 | (defmethod add-output-hooks progn |
| 388 | ((method delegating-direct-method) (reason (eql :c)) sequencer) | |
| 389 | (with-slots (class body) method | |
| 390 | (unless body | |
| 391 | (return-from add-output-hooks)) | |
| 392 | (sequence-output (stream sequencer) | |
| 393 | ((class :direct-method method :start) | |
| 394 | (format stream "#define CALL_NEXT_METHOD (next_method(~{~A~^, ~}))~%" | |
| 395 | (mapcar #'argument-name | |
| 396 | (c-function-arguments (sod-method-next-method-type | |
| 397 | method))))) | |
| 398 | ((class :direct-method method :end) | |
| 399 | (format stream "#undef CALL_NEXT_METHOD~%"))))) | |
| 400 | ||
| 401 | (defmethod add-output-hooks progn | |
| 402 | ((method sod-method) (reason (eql :c)) sequencer) | |
| 403 | (with-slots (class body) method | |
| 404 | (unless body | |
| 405 | (return-from add-output-hooks)) | |
| 406 | (sequence-output (stream sequencer) | |
| 407 | :constraint ((class :direct-methods :start) | |
| 408 | (class :direct-method method :start) | |
| 409 | (class :direct-method method :body) | |
| 410 | (class :direct-method method :end) | |
| 411 | (class :direct-methods :end)) | |
| 412 | ((class :direct-method method :body) | |
| 413 | (pprint-c-type (sod-method-function-type method) | |
| 414 | stream | |
| 415 | (sod-method-function-name method)) | |
| 416 | (format stream "~&{~%") | |
| 417 | (write body :stream stream :pretty nil :escape nil) | |
| 418 | (format stream "~&}~%")) | |
| 419 | ((class :direct-method method :end) | |
| 420 | (terpri stream))))) | |
| 421 | ||
| 422 | ;;;-------------------------------------------------------------------------- | |
| a07d8d00 MW |
423 | ;;; Vtables. |
| 424 | ||
| 425 | (defmethod add-output-hooks progn | |
| 426 | ((vtable vtable) (reason (eql :c)) sequencer) | |
| 427 | (with-slots (class chain-head chain-tail) vtable | |
| 428 | (sequence-output (stream sequencer) | |
| 429 | :constraint ((class :vtables :start) | |
| 430 | (class :vtable chain-head :start) | |
| 431 | (class :vtable chain-head :end) | |
| 432 | (class :vtables :end)) | |
| 433 | ((class :vtable chain-head :start) | |
| 434 | (format stream "/* Vtable for ~A chain. */~@ | |
| 435 | static const struct ~A ~A = {~%" | |
| 436 | chain-head | |
| 437 | (vtable-struct-tag chain-tail chain-head) | |
| 438 | (vtable-name chain-tail chain-head))) | |
| 439 | ((class :vtable chain-head :end) | |
| 440 | (format stream "};~2%"))))) | |
| 441 | ||
| 442 | (defmethod add-output-hooks progn | |
| 443 | ((cptr class-pointer) (reason (eql :c)) sequencer) | |
| 444 | (with-slots (class chain-head metaclass meta-chain-head) cptr | |
| 445 | (sequence-output (stream sequencer) | |
| 446 | :constraint ((class :vtable chain-head :start) | |
| 447 | (class :vtable chain-head :class-pointer metaclass) | |
| 448 | (class :vtable chain-head :end)) | |
| 449 | ((class :vtable chain-head :class-pointer metaclass) | |
| 450 | (format stream " &~A__classobj.~A.~A,~%" | |
| 451 | (sod-class-metaclass class) | |
| 452 | (sod-class-nickname meta-chain-head) | |
| 453 | (sod-class-nickname metaclass)))))) | |
| 454 | ||
| 455 | (defmethod add-output-hooks progn | |
| 456 | ((boff base-offset) (reason (eql :c)) sequencer) | |
| 457 | (with-slots (class chain-head) boff | |
| 458 | (sequence-output (stream sequencer) | |
| 459 | :constraint ((class :vtable chain-head :start) | |
| 460 | (class :vtable chain-head :base-offset) | |
| 461 | (class :vtable chain-head :end)) | |
| 462 | ((class :vtable chain-head :base-offset) | |
| 463 | (format stream " offsetof(struct ~A, ~A),~%" | |
| 464 | (ilayout-struct-tag class) | |
| 465 | (sod-class-nickname chain-head)))))) | |
| 466 | ||
| 467 | (defmethod add-output-hooks progn | |
| 468 | ((choff chain-offset) (reason (eql :c)) sequencer) | |
| 469 | (with-slots (class chain-head target-head) choff | |
| 470 | (sequence-output (stream sequencer) | |
| 471 | :constraint ((class :vtable chain-head :start) | |
| 472 | (class :vtable chain-head :chain-offset target-head) | |
| 473 | (class :vtable chain-head :end)) | |
| 474 | ((class :vtable chain-head :chain-offset target-head) | |
| 475 | (format stream " SOD_OFFSETDIFF(struct ~A, ~A, ~A),~%" | |
| 476 | (ilayout-struct-tag class) | |
| 477 | (sod-class-nickname chain-head) | |
| 478 | (sod-class-nickname target-head)))))) | |
| 479 | ||
| 480 | (defmethod add-output-hooks progn | |
| 481 | ((vtmsgs vtmsgs) (reason (eql :c)) sequencer) | |
| 482 | (with-slots (class subclass chain-head) vtmsgs | |
| 483 | (sequence-output (stream sequencer) | |
| 484 | :constraint ((subclass :vtable chain-head :start) | |
| 485 | (subclass :vtable chain-head :vtmsgs class :start) | |
| 486 | (subclass :vtable chain-head :vtmsgs class :slots) | |
| 487 | (subclass :vtable chain-head :vtmsgs class :end) | |
| 488 | (subclass :vtable chain-head :end)) | |
| 489 | ((subclass :vtable chain-head :vtmsgs class :start) | |
| 490 | (format stream " { /* Method entries for ~A messages. */~%" | |
| 491 | class)) | |
| 492 | ((subclass :vtable chain-head :vtmsgs class :end) | |
| 493 | (format stream " },~%"))))) | |
| 494 | ||
| 495 | (defmethod add-output-hooks progn | |
| 496 | ((entry method-entry) (reason (eql :c)) sequencer) | |
| 497 | (with-slots (method chain-head chain-tail) entry | |
| 498 | (let* ((message (effective-method-message method)) | |
| 499 | (class (effective-method-class method)) | |
| 500 | (super (sod-message-class message))) | |
| 501 | (sequence-output (stream sequencer) | |
| 502 | ((class :vtable chain-head :vtmsgs super :slots) | |
| 503 | (format stream " ~A,~%" | |
| 504 | (method-entry-function-name method chain-head))))))) | |
| 505 | ||
| 506 | ;;;-------------------------------------------------------------------------- | |
| 3be8c2bf MW |
507 | ;;; Filling in the class object. |
| 508 | ||
| 509 | (defmethod add-output-hooks progn | |
| 510 | ((ichain ichain) (reason (eql 'populate-class)) sequencer) | |
| 511 | (with-slots (class chain-head) ichain | |
| 512 | (sequence-output (stream sequencer) | |
| 513 | :constraint ((*instance-class* :object :start) | |
| 514 | (*instance-class* :object chain-head :ichain :start) | |
| 515 | (*instance-class* :object chain-head :ichain :end) | |
| 516 | (*instance-class* :object :end)) | |
| 517 | ((*instance-class* :object chain-head :ichain :start) | |
| 518 | (format stream " { { /* ~A ichain */~%" | |
| 519 | (sod-class-nickname chain-head))) | |
| 520 | ((*instance-class* :object chain-head :ichain :end) | |
| 521 | (format stream " } },~%"))))) | |
| 522 | ||
| 523 | (defmethod add-output-hooks progn | |
| 524 | ((islots islots) (reason (eql 'populate-class)) sequencer) | |
| 525 | (with-slots (class) islots | |
| 526 | (let ((chain-head (sod-class-chain-head class))) | |
| 527 | (sequence-output (stream sequencer) | |
| 528 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
| 529 | (*instance-class* :object class :slots :start) | |
| 530 | (*instance-class* :object class :slots) | |
| 531 | (*instance-class* :object class :slots :end) | |
| 532 | (*instance-class* :object chain-head :ichain :end)) | |
| 533 | ((*instance-class* :object class :slots :start) | |
| 534 | (format stream " { /* Class ~A */~%" class)) | |
| 535 | ((*instance-class* :object class :slots :end) | |
| 536 | (format stream " },~%")))))) | |
| 537 | ||
| 538 | (defmethod add-output-hooks progn | |
| 539 | ((vtptr vtable-pointer) (reason (eql 'populate-class)) sequencer) | |
| 540 | (with-slots (class chain-head chain-tail) vtptr | |
| 541 | (sequence-output (stream sequencer) | |
| 542 | :constraint ((*instance-class* :object chain-head :ichain :start) | |
| 543 | (*instance-class* :object chain-head :vtable) | |
| 544 | (*instance-class* :object chain-head :ichain :end)) | |
| 545 | ((*instance-class* :object chain-head :vtable) | |
| 546 | (format stream " &~A__vtable_~A,~%" | |
| 547 | class (sod-class-nickname chain-head)))))) | |
| 548 | ||
| 549 | (defgeneric find-class-initializer (slot class) | |
| 550 | (:method ((slot effective-slot) (class sod-class)) | |
| 551 | (let ((dslot (effective-slot-direct-slot slot))) | |
| 552 | (or (some (lambda (super) | |
| 553 | (find dslot (sod-class-class-initializers super) | |
| 554 | :test #'sod-initializer-slot)) | |
| 555 | (sod-class-precedence-list class)) | |
| 556 | (effective-slot-initializer slot))))) | |
| 557 | ||
| 558 | (defgeneric output-class-initializer (slot instance stream) | |
| 559 | (:method ((slot sod-class-effective-slot) (instance sod-class) stream) | |
| 560 | (let ((func (effective-slot-initializer-function slot))) | |
| 561 | (if func | |
| 562 | (format stream " ~A,~%" (funcall func instance)) | |
| 563 | (call-next-method)))) | |
| 564 | (:method ((slot effective-slot) (instance sod-class) stream) | |
| 565 | (let ((init (find-class-initializer slot instance))) | |
| 566 | (ecase (sod-initializer-value-kind init) | |
| 567 | (:simple (format stream " ~A,~%" | |
| 568 | (sod-initializer-value-form init))) | |
| 569 | (:compound (format stream " ~@<{ ~;~A~; },~:>~%" | |
| 570 | (sod-initializer-value-form init))))))) | |
| 571 | ||
| 572 | (defmethod add-output-hooks progn ((slot sod-class-effective-slot) | |
| 573 | (reason (eql 'populate-class)) | |
| 574 | sequencer) | |
| 575 | (let ((instance *instance-class*) | |
| 576 | (func (effective-slot-prepare-function slot))) | |
| 577 | (when func | |
| 578 | (sequence-output (stream sequencer) | |
| 579 | ((instance :object :prepare) | |
| 580 | (funcall func instance stream)))))) | |
| 581 | ||
| 582 | (defmethod add-output-hooks progn | |
| 583 | ((slot effective-slot) (reason (eql 'populate-class)) sequencer) | |
| 584 | (with-slots (class (dslot slot)) slot | |
| 585 | (let ((instance *instance-class*) | |
| 586 | (super (sod-slot-class dslot))) | |
| 587 | (sequence-output (stream sequencer) | |
| 588 | ((instance :object super :slots) | |
| 589 | (output-class-initializer slot instance stream)))))) | |
| 590 | ||
| 591 | ;;;-------------------------------------------------------------------------- | |
| 1f1d88f5 MW |
592 | ;;; Testing. |
| 593 | ||
| 594 | #+test | |
| 595 | (defun test (name) | |
| 596 | (let ((sequencer (make-instance 'sequencer)) | |
| 597 | (class (find-sod-class name))) | |
| 598 | (add-output-hooks class :h sequencer) | |
| 599 | (invoke-sequencer-items sequencer *standard-output*) | |
| 600 | sequencer)) | |
| 601 | ||
| 602 | ;;;----- That's all, folks -------------------------------------------------- |