src/codegen-impl.lisp: Remove the `setf' writer for `codegen-functions'.
[sod] / doc / layout.tex
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1%%% -*-latex-*-
2%%%
3%%% Class layout and method combination protocols
4%%%
5%%% (c) 2015 Straylight/Edgeware
6%%%
7
8%%%----- Licensing notice ---------------------------------------------------
9%%%
e0808c47 10%%% This file is part of the Sensible Object Design, an object system for C.
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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\chapter{Class layout and method combination}
27
28%%%--------------------------------------------------------------------------
29\section{Class layout protocol} \label{sec:layout.instance}
30
31\begin{describe}{fun}{islots-struct-tag @<class> @> @<string>}
32\end{describe}
33
34\begin{describe}{fun}{ichain-struct-tag @<class> @<chain-head> @> @<string>}
35\end{describe}
36
37\begin{describe}{fun}{ichain-union-tag @<class> @<chain-head> @> @<string>}
38\end{describe}
39
40\begin{describe}{fun}{ilayout-struct-tag @<class> @> @<string>}
41\end{describe}
42
43\begin{describe}{fun}{vtmsgs-struct-tag @<class> @<super> @> @<string>}
44\end{describe}
45
46\begin{describe}{fun}{vtable-union-tag @<class> @<chain-head> @> @<string>}
47\end{describe}
48
49\begin{describe}{fun}{vtable-struct-tag @<class> @<chain-head> @> @<string>}
50\end{describe}
51
52\begin{describe}{fun}{vtable-name @<class> @<chain-head> @> @<string>}
53\end{describe}
54
55\begin{describe}{fun}{message-macro-name @<class> @<entry> @> @<string>}
56\end{describe}
57
58\begin{describe}{cls}{effective-slot () \&key :class :slot :initializer}
59\end{describe}
60
61\begin{describe*}
62 {\dhead{gf}{effective-slot-class @<slot> @> @<class>}
63 \dhead{gf}{effective-slot-direct-slot @<slot> @> @<direct-slot>}
64 \dhead{gf}{effective-slot-initializer @<slot> @> @<init-or-nil>}}
65\end{describe*}
66
67\begin{describe}{gf}
68 {find-slot-initializer @<class> @<slot> @> @<init-or-nil>}
69\end{describe}
70
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71\begin{describe}{gf}
72 {find-class-initializer @<slot> @<class> @> @<init-or-nil>}
73\end{describe}
74
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75\begin{describe}{gf}{find-slot-initargs @<class> @<slot> @> @<list>}
76\end{describe}
77
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78\begin{describe}{gf}
79 {compute-effective-slot @<class> @<slot> @> @<effective-slot>}
80\end{describe}
81
82\begin{describe}{cls}
83 {sod-class-effective-slot (effective-slot) \\ \ind
84 \&key :class :slot :initializer-function :prepare-function}
85\end{describe}
86
87\begin{describe*}
88 {\dhead{gf}{effective-slot-initializer-function @<slot> @> @<function>}
89 \dhead{gf}{effective-slot-prepare-function @<slot> @> @<function>}}
90\end{describe*}
91
92\begin{describe}{cls}{islots () \&key :class :subclass :slots}
93\end{describe}
94
95\begin{describe*}
96 {\dhead{gf}{islots-class @<islots> @> @<class>}
97 \dhead{gf}{islots-subclass @<islots> @> @<class>}
98 \dhead{gf}{islots-slots @<islots> @> @<list>}}
99\end{describe*}
100
101\begin{describe}{gf}{compute-islots @<class> @<subclass> @> @<islots>}
102\end{describe}
103
104\begin{describe}{gf}{vtable-pointer () \&key :class :chain-head :chain-tail}
105\end{describe}
106
107\begin{describe*}
108 {\dhead{gf}{vtable-pointer-class @<vtable-pointer> @> @<class>}
109 \dhead{gf}{vtable-pointer-chain-head @<vtable-pointer> @> @<class>}
110 \dhead{gf}{vtable-pointer-chain-tail @<vtable-pointer> @> @<class>}}
111\end{describe*}
112
113\begin{describe}{gf}{ichain () \&key :class :chain-head :chain-tail :body}
114\end{describe}
115
116\begin{describe*}
117 {\dhead{gf}{ichain-class @<ichain> @> @<class>}
118 \dhead{gf}{ichain-chain-head @<ichain> @> @<class>}
119 \dhead{gf}{ichain-chain-tail @<ichain> @> @<class>}
120 \dhead{gf}{ichain-body @<ichain> @> @<list>}}
121\end{describe*}
122
123\begin{describe}{gf}{compute-ichain @<class> @<chain> @> @<ichain>}
124\end{describe}
125
126\begin{describe}{gf}{ilayout () \&key :class :ichains}
127\end{describe}
128
129\begin{describe*}
130 {\dhead{gf}{ilayout-class @<ilayout> @> @<class>}
131 \dhead{gf}{ilayout-ichains @<ilayout> @> @<list>}}
132\end{describe*}
133
a7011782 134\begin{describe}{gf}{sod-class-ilayout @<class> @> @<ilayout>}
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135\end{describe}
136
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137\begin{describe}{gf}{compute-ilayout @<class> @> @<ilayout>}
138\end{describe}
139
140\begin{describe}{cls}
141 {vtmsgs () \&key :class :subclass :chain-head :chain-tail :entries}
142\end{describe}
143
144\begin{describe*}
145 {\dhead{gf}{vtmsgs-class @<vtmsgs> @> @<class>}
146 \dhead{gf}{vtmsgs-subclass @<vtmsgs> @> @<class>}
147 \dhead{gf}{vtmsgs-chain-head @<vtmsgs> @> @<class>}
148 \dhead{gf}{vtmsgs-chain-tail @<vtmsgs> @> @<class>}
149 \dhead{gf}{vtmsgs-entries @<vtmsgs> @> @<list>}}
150\end{describe*}
151
152\begin{describe}{cls}
153 {class-pointer () \&key :class :chain-head :metaclass :meta-chain-head}
154\end{describe}
155
156\begin{describe*}
157 {\dhead{gf}{class-pointer-class @<class-pointer> @> @<class>}
158 \dhead{gf}{class-pointer-chain-head @<class-pointer> @> @<class>}
159 \dhead{gf}{class-pointer-metaclass @<class-pointer> @> @<class>}
160 \dhead{gf}{class-pointer-meta-chain-head @<class-pointer> @> @<class>}}
161\end{describe*}
162
163\begin{describe}{fun}
164 {make-class-pointer @<class> @<chain-head>
165 @<metaclass> @<meta-chain-head>
166 @> @<class-pointer>}
167\end{describe}
168
169\begin{describe}{cls}{base-offset () \&key :class :chain-head}
170\end{describe}
171
172\begin{describe*}
173 {\dhead{gf}{base-offset-class @<base-offset> @> @<class>}
174 \dhead{gf}{base-offset-chain-head @<base-offset> @> @<class>}}
175\end{describe*}
176
177\begin{describe}{fun}
178 {make-base-offset @<class> @<chain-head> @> @<base-offset>}
179\end{describe}
180
181\begin{describe}{cls}{chain-offset () \&key :class :chain-head :target-head}
182\end{describe}
183
184\begin{describe*}
185 {\dhead{gf}{chain-offset-class @<chain-offset> @> @<class>}
186 \dhead{gf}{chain-offset-chain-head @<chain-offset> @> @<class>}
187 \dhead{gf}{chain-offset-target-head @<chain-offset> @> @<class>}}
188\end{describe*}
189
190\begin{describe}{fun}
191 {make-chain-offset @<class> @<chain-head> @<target-head>
192 @> @<chain-offset>}
193\end{describe}
194
195\begin{describe}{gf}{vtable () \&key :class :chain-head :chain-tail :body}
196\end{describe}
197
198\begin{describe*}
199 {\dhead{gf}{vtable-class @<vtable> @> @<class>}
200 \dhead{gf}{vtable-chain-head @<vtable> @> @<class>}
201 \dhead{gf}{vtable-chain-tail @<vtable> @> @<class>}
202 \dhead{gf}{vtable-body @<vtable> @> @<list>}}
203\end{describe*}
204
205\begin{describe}{gf}
206 {compute-vtable-items @<class> @<super>
207 @<chain-head> @<chain-tail>
208 @<emit-function>}
209\end{describe}
210
211\begin{describe}{gf}{compute-vtable @<class> @<chain> @> @<vtable>}
212\end{describe}
213
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214\begin{describe}{gf}{sod-class-vtables @<class> @> @<list>}
215\end{describe}
216
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217\begin{describe}{gf}{compute-vtables @<class> @> @<list>}
218\end{describe}
219
220%%%--------------------------------------------------------------------------
221\section{Method combination} \label{sec:layout.methods}
222
43073476 223\begin{describe}{cls}{effective-method () \&key :message :class :keywords}
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224\end{describe}
225
226\begin{describe*}
227 {\dhead{gf}{effective-method-message @<method> @> @<message>}
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228 \dhead{gf}{effective-method-class @<method> @> @<class>}
229 \dhead{gf}{effective-method-keywords @<method> @> @<list>}}
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230\end{describe*}
231
7f2917d2 232\begin{describe}{gf}
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233 {sod-message-applicable-methods @<message> @<class> @> list}
234\end{describe}
235
236\begin{describe}{gf}
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237 {sod-message-keyword-argument-lists @<message> @<class>
238 @<direct-methods> @<state>
239 \nlret @<list>}
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240\end{describe}
241
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242\begin{describe}{fun}
243 {compute-effective-method-keyword-arguments @<message>
244 @<class>
245 @<direct-methods>
246 \nlret @<list>}
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247\end{describe}
248
249\begin{describe}{gf}
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250 {sod-message-check-methods @<message> @<class> @<direct-methods>}
251\end{describe}
252
253\begin{describe}{gf}
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254 {sod-message-effective-method-class @<message> @> @<class>}
255\end{describe}
256
257\begin{describe}{gf}{primary-method-class @<message> @> @<class>}
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258\end{describe}
259
260\begin{describe}{gf}
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261 {compute-sod-effective-method @<message> @<class> @> @<method>}
262\end{describe}
263
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264\begin{describe}{gf}{sod-class-effective-methods @<class> @> @<list>}
265\end{describe}
266
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267\begin{describe}{gf}{compute-effective-methods @<class> @> @<list>}
268\end{describe}
269
270\begin{describe}{cls}
271 {method-entry () \&key :method :chain-head :chain-tail :role}
272\end{describe}
273
274\begin{describe*}
275 {\dhead{gf}{method-entry-effective-method @<method-entry> @> @<method>}
276 \dhead{gf}{method-entry-chain-head @<method-entry> @> @<class>}
277 \dhead{gf}{method-entry-chain-tail @<method-entry> @> @<class>}
278 \dhead{gf}{method-entry-role @<method-entry> @> @<role>}}
279\end{describe*}
280
281\begin{describe}{gf}
282 {make-method-entries @<effective-method> @<chain-head> @<chain-tail>
283 @> @<list>}
284\end{describe}
285
286
287\begin{describe}{gf}{sod-message-argument-tail @<message> @> @<list>}
288\end{describe}
289
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290\begin{describe}{gf}{sod-method-function-type @<method> @> @<c-type>}
291\end{describe}
292
293\begin{describe}{gf}{sod-method-next-method-type @<method> @> @<c-type>}
294\end{describe}
295
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296\begin{describe}{gf}{sod-method-description @<method> @> @<string>}
297\end{describe}
298
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299\begin{describe}{gf}{sod-method-function-name @<method> @> @<string>}
300\end{describe}
301
302\begin{describe}{fun}{varargs-message-p @<message> @> @<generalized-boolean>}
303\end{describe}
304
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305\begin{describe}{fun}{keyword-message-p @<message> @> @<generalized-boolean>}
306\end{describe}
307
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308\begin{describe}{gf}{method-entry-function-type @<entry> @> @<c-type>}
309\end{describe}
310
311\begin{describe}{gf}{method-entry-slot-name @<entry> @> @<string>}
312\end{describe}
313
314\begin{describe}{gf}
315 {method-entry-slot-name-by-role @<entry> @<role> @<name> @> @<string>}
316\end{describe}
317
318\begin{describe}{gf}
319 {effective-method-basic-argument-names @<method> @> @<list>}
320\end{describe}
321
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322\begin{describe}{gf}
323 {effective-method-live-p @<method> @> @<generalized-boolean>}
324\end{describe}
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325
326
327\begin{describe}{cls}
020b9e2b 328 {method-codegen (codegen) \\ \ind
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329 \&key :vars :insts :temp-index
330 :message :class :method :target}
331\end{describe}
332
333\begin{describe*}
334 {\dhead{gf}{codegen-message @<codegen> @> @<message>}
335 \dhead{gf}{codegen-class @<codegen> @> @<class>}
336 \dhead{gf}{codegen-method @<codegen> @> @<method>}
337 \dhead{gf}{codegen-target @<codegen> @> @<target>}}
338\end{describe*}
339
340\begin{describe*}
341 {\dhead{cls}{convert-to-ilayout-inst (inst)}
342 \dhead{fun}
343 {make-convert-to-ilayout-inst @<class> @<chain-head> @<expr>}}
344 \begin{prog}
345 SOD_ILAYOUT(@<class>, @<chain-head-nick>, @<expr>)
346 \end{prog}
347\end{describe*}
348
349
350\begin{describe}{gf}
351 {compute-effective-method-body @<method> @<codegen> @<target>}
352\end{describe}
353
354\begin{describe}{gf}{simple-method-body @<method> @<codegen> @<target>}
355\end{describe}
356
357\begin{describe}{fun}
358 {invoke-method @<codegen> @<target> @<arguments-tail> @<direct-method>}
359\end{describe}
360
361\begin{describe}{fun}{ensure-ilayout-var @<codegen> @<super>}
362\end{describe}
363
364\begin{describe}{fun}{make-trampoline @<codegen> @<super> @<body-func>}
365\end{describe}
366
367\begin{describe}{gf}{effective-method-function-name @<method> @> @<string>}
368\end{describe}
369
370\begin{describe}{gf}
371 {method-entry-function-name @<method> @<chain-head> @<role> @> @<string>}
372\end{describe}
373
374\begin{describe}{gf}{compute-method-entry-functions @<method> @> @<list>}
375\end{describe}
376
377\begin{describe}{fun}
378 {invoke-delegation-chain @<codegen> @<target> @<basic-tail>
379 @<chain> @<kernel-func>}
380\end{describe}
381
382\begin{describe}{cls}
383 {basic-message (sod-message) \&key :name :location :class :type}
384\end{describe}
385
386\begin{describe}{cls}
387 {simple-message (basic-message) \&key :name :location :class :type}
388\end{describe}
389
390\begin{describe}{cls}
391 {basic-direct-method (sod-method)
392 \&key :message :location :class :type :body :role}
393\end{describe}
394
395\begin{describe}{gf}{sod-method-role @<method> @> @<role>}
396\end{describe}
397
398\begin{describe}{cls}
020b9e2b 399 {daemon-direct-method (basic-direct-method) \\ \ind
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400 \&key :message :location :class :type :body :role}
401\end{describe}
402
403\begin{describe}{cls}
020b9e2b 404 {delegating-direct-method (basic-direct-method) \\ \ind
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405 \&key :message :location :class :type :body :role}
406\end{describe}
407
408\begin{describe}{cls}
020b9e2b 409 {basic-effective-method (effective-method) \\ \ind
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410 \&key :message :class :around-methods :before-methods :after-methods}
411\end{describe}
412
413\begin{describe*}
414 {\dhead{gf}
415 {effective-method-around-methods @<effective-method> @> @<list>}
416 \dhead{gf}
417 {effective-method-before-methods @<effective-method> @> @<list>}
418 \dhead{gf}
419 {effective-method-after-methods @<effective-method> @> @<list>}
420 \dhead{gf}{effective-method-functions @<effective-method> @> @<list>}}
421\end{describe*}
422
423\begin{describe}{cls}
020b9e2b 424 {simple-effective-method (basic-effective-method) \\ \ind
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425 \&key :message :class
426 :around-methods :before-methods :after-methods :primary-methods}
427\end{describe}
428
429\begin{describe}{fun}
430 {basic-effective-method-body @<codegen> @<target> @<method> @<body>}
431\end{describe}
432
433\begin{describe}{cls}
434 {standard-message (simple-message) \&key :name :location :class :type}
435\end{describe}
436
437\begin{describe}{cls}
020b9e2b 438 {standard-effective-method (simple-effective-method) \\ \ind
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439 \&key :message :class
440 :around-methods :before-methods :after-methods :primary-methods}
441\end{describe}
442
443\begin{describe}{cls}
444 {aggregating-message (simple-message)
445 \&key :name :location :class :type :combination}
446\end{describe}
447
448\begin{describe}{gf}
449 {aggregating-message-properties @<message> @<combination> @> @<plist>}
450\end{describe}
451
452\begin{describe}{gf}
453 {compute-aggregating-message-kernel
020b9e2b 454 \=@<message> @<combination> @<target> \+\\
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455 @<methods> @<arg-names> \&key}
456\end{describe}
457
458\begin{describe}{gf}
459 {check-aggregating-message-type @<message> @<combination> @<c-type>}
460\end{describe}
461
462\begin{describe}{cls}
020b9e2b 463 {aggregating-effective-method (simple-effective-method) \\ \ind
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464 \&key :message :class
465 :around-methods :before-methods :after-methods :primary-methods}
466\end{describe}
467
468\begin{describe}{mac}
020b9e2b 469 {define-aggregating-method-combination @<combination> \\ \ind\ind
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470 ((@<var-name>^*)
471 @[[ :codegen @<codegen-var> @!
020b9e2b 472 :methods @<methods-var> @]]) \-\\
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473 @[[ \=:properties (@{ (@{ @<name> @! (@[@<keyword>@] @<name>) @}
474 @<c-type>
475 @[@<default>
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476 @[@<suppliedp-var>@]@]) @}^*) @! \+\\
477 :return-type @<c-type> @! \\
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478 :around @<around-func> @!
479 :first-method @<first-method-func> @!
480 :method @<method-func> @]]}
481\end{describe}
482
483%%% the method combination story
484%% compute-effective-methods --> compute-sod-effective-method
485
486%% hook-output (basic-effective-method :c)
487%% basic-effective-method.functions
488%% compute-method-entry-functions
489%% compute-effective-method-body
490%%
491%% compute-effective-method-body (simple-effective-method)
492%% basic-effective-method-body
493%% simple-method-body (standard-effective-method)
494%% simple-method-body (aggregating-effective-method)
495%% message-kernel-function
496
497%%%----- That's all, folks --------------------------------------------------
498
499%%% Local variables:
500%%% mode: LaTeX
501%%% TeX-master: "sod.tex"
502%%% TeX-PDF-mode: t
503%%% End: