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Commit | Line | Data |
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40165636 | 1 | /* GNU Objective C Runtime archiving |
d652f226 JJ |
2 | Copyright (C) 1993, 1995, 1996, 1997, 2002, 2004, 2009, |
3 | 2010 Free Software Foundation, Inc. | |
88e17b57 BE |
4 | Contributed by Kresten Krab Thorup |
5 | ||
6c82ad25 | 6 | This file is part of GCC. |
88e17b57 | 7 | |
6c82ad25 | 8 | GCC is free software; you can redistribute it and/or modify it under the |
88e17b57 | 9 | terms of the GNU General Public License as published by the Free Software |
748086b7 | 10 | Foundation; either version 3, or (at your option) any later version. |
88e17b57 | 11 | |
6c82ad25 | 12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
88e17b57 BE |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
14 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | |
15 | details. | |
16 | ||
748086b7 JJ |
17 | Under Section 7 of GPL version 3, you are granted additional |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
88e17b57 | 20 | |
748086b7 JJ |
21 | You should have received a copy of the GNU General Public License and |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
88e17b57 | 25 | |
7b869986 NP |
26 | /* This file is entirely deprecated and will be removed. */ |
27 | ||
6dead247 | 28 | #include "objc-private/common.h" |
7b869986 | 29 | #include "objc-private/error.h" |
4102f627 | 30 | #include "tconfig.h" |
a19fac96 | 31 | #include "objc/objc-api.h" |
a19fac96 NP |
32 | #include "objc/hash.h" |
33 | #include "objc/objc-list.h" | |
34 | #include "objc-private/runtime.h" | |
348a3445 DA |
35 | #include "objc/typedstream.h" |
36 | #include "objc/encoding.h" | |
88e17b57 | 37 | #include <stdlib.h> |
88e17b57 | 38 | |
40165636 | 39 | extern int fflush (FILE *); |
88e17b57 BE |
40 | |
41 | #define ROUND(V, A) \ | |
40165636 RB |
42 | ({ typeof (V) __v = (V); typeof (A) __a = (A); \ |
43 | __a * ((__v + __a - 1)/__a); }) | |
88e17b57 | 44 | |
40165636 RB |
45 | #define PTR2LONG(P) (((char *) (P))-(char *) 0) |
46 | #define LONG2PTR(L) (((char *) 0) + (L)) | |
88e17b57 BE |
47 | |
48 | /* Declare some functions... */ | |
49 | ||
50 | static int | |
40165636 | 51 | objc_read_class (struct objc_typed_stream *stream, Class *class); |
88e17b57 | 52 | |
40165636 | 53 | int objc_sizeof_type (const char *type); |
88e17b57 BE |
54 | |
55 | static int | |
40165636 | 56 | objc_write_use_common (struct objc_typed_stream *stream, unsigned long key); |
88e17b57 BE |
57 | |
58 | static int | |
40165636 | 59 | objc_write_register_common (struct objc_typed_stream *stream, |
88e17b57 BE |
60 | unsigned long key); |
61 | ||
62 | static int | |
40165636 RB |
63 | objc_write_class (struct objc_typed_stream *stream, |
64 | struct objc_class *class); | |
88e17b57 | 65 | |
40165636 | 66 | const char *objc_skip_type (const char *type); |
88e17b57 | 67 | |
40165636 RB |
68 | static void __objc_finish_write_root_object (struct objc_typed_stream *); |
69 | static void __objc_finish_read_root_object (struct objc_typed_stream *); | |
88e17b57 | 70 | |
435317e2 | 71 | static inline int |
40165636 | 72 | __objc_code_unsigned_char (unsigned char *buf, unsigned char val) |
88e17b57 BE |
73 | { |
74 | if ((val&_B_VALUE) == val) | |
75 | { | |
76 | buf[0] = val|_B_SINT; | |
77 | return 1; | |
78 | } | |
79 | else | |
80 | { | |
81 | buf[0] = _B_NINT|0x01; | |
82 | buf[1] = val; | |
83 | return 2; | |
84 | } | |
85 | } | |
86 | ||
87 | int | |
40165636 | 88 | objc_write_unsigned_char (struct objc_typed_stream *stream, |
88e17b57 BE |
89 | unsigned char value) |
90 | { | |
40165636 | 91 | unsigned char buf[sizeof (unsigned char) + 1]; |
88e17b57 | 92 | int len = __objc_code_unsigned_char (buf, value); |
8d488306 | 93 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
94 | } |
95 | ||
435317e2 | 96 | static inline int |
40165636 | 97 | __objc_code_char (unsigned char *buf, signed char val) |
88e17b57 BE |
98 | { |
99 | if (val >= 0) | |
100 | return __objc_code_unsigned_char (buf, val); | |
101 | else | |
102 | { | |
103 | buf[0] = _B_NINT|_B_SIGN|0x01; | |
104 | buf[1] = -val; | |
105 | return 2; | |
106 | } | |
107 | } | |
108 | ||
109 | int | |
40165636 | 110 | objc_write_char (struct objc_typed_stream *stream, signed char value) |
88e17b57 | 111 | { |
40165636 | 112 | unsigned char buf[sizeof (char) + 1]; |
88e17b57 | 113 | int len = __objc_code_char (buf, value); |
8d488306 | 114 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
115 | } |
116 | ||
435317e2 | 117 | static inline int |
40165636 | 118 | __objc_code_unsigned_short (unsigned char *buf, unsigned short val) |
88e17b57 BE |
119 | { |
120 | if ((val&_B_VALUE) == val) | |
121 | { | |
122 | buf[0] = val|_B_SINT; | |
123 | return 1; | |
124 | } | |
125 | else | |
126 | { | |
127 | int c, b; | |
128 | ||
129 | buf[0] = _B_NINT; | |
130 | ||
40165636 RB |
131 | for (c = sizeof (short); c != 0; c -= 1) |
132 | if (((val >> (8*(c - 1)))%0x100) != 0) | |
88e17b57 BE |
133 | break; |
134 | ||
135 | buf[0] |= c; | |
136 | ||
137 | for (b = 1; c != 0; c--, b++) | |
138 | { | |
40165636 | 139 | buf[b] = (val >> (8*(c - 1)))%0x100; |
88e17b57 BE |
140 | } |
141 | ||
142 | return b; | |
143 | } | |
144 | } | |
145 | ||
146 | int | |
40165636 | 147 | objc_write_unsigned_short (struct objc_typed_stream *stream, |
88e17b57 BE |
148 | unsigned short value) |
149 | { | |
40165636 | 150 | unsigned char buf[sizeof (unsigned short) + 1]; |
88e17b57 | 151 | int len = __objc_code_unsigned_short (buf, value); |
8d488306 | 152 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
153 | } |
154 | ||
435317e2 | 155 | static inline int |
40165636 | 156 | __objc_code_short (unsigned char *buf, short val) |
88e17b57 BE |
157 | { |
158 | int sign = (val < 0); | |
159 | int size = __objc_code_unsigned_short (buf, sign ? -val : val); | |
160 | if (sign) | |
161 | buf[0] |= _B_SIGN; | |
162 | return size; | |
163 | } | |
164 | ||
165 | int | |
40165636 | 166 | objc_write_short (struct objc_typed_stream *stream, short value) |
88e17b57 | 167 | { |
40165636 | 168 | unsigned char buf[sizeof (short) + 1]; |
88e17b57 | 169 | int len = __objc_code_short (buf, value); |
8d488306 | 170 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
171 | } |
172 | ||
173 | ||
435317e2 | 174 | static inline int |
40165636 | 175 | __objc_code_unsigned_int (unsigned char *buf, unsigned int val) |
88e17b57 BE |
176 | { |
177 | if ((val&_B_VALUE) == val) | |
178 | { | |
179 | buf[0] = val|_B_SINT; | |
180 | return 1; | |
181 | } | |
182 | else | |
183 | { | |
184 | int c, b; | |
185 | ||
186 | buf[0] = _B_NINT; | |
187 | ||
40165636 RB |
188 | for (c = sizeof (int); c != 0; c -= 1) |
189 | if (((val >> (8*(c - 1)))%0x100) != 0) | |
88e17b57 BE |
190 | break; |
191 | ||
192 | buf[0] |= c; | |
193 | ||
194 | for (b = 1; c != 0; c--, b++) | |
195 | { | |
196 | buf[b] = (val >> (8*(c-1)))%0x100; | |
197 | } | |
198 | ||
199 | return b; | |
200 | } | |
201 | } | |
202 | ||
203 | int | |
40165636 | 204 | objc_write_unsigned_int (struct objc_typed_stream *stream, unsigned int value) |
88e17b57 | 205 | { |
40165636 | 206 | unsigned char buf[sizeof (unsigned int) + 1]; |
88e17b57 | 207 | int len = __objc_code_unsigned_int (buf, value); |
8d488306 | 208 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
209 | } |
210 | ||
435317e2 | 211 | static inline int |
40165636 | 212 | __objc_code_int (unsigned char *buf, int val) |
88e17b57 BE |
213 | { |
214 | int sign = (val < 0); | |
215 | int size = __objc_code_unsigned_int (buf, sign ? -val : val); | |
216 | if (sign) | |
217 | buf[0] |= _B_SIGN; | |
218 | return size; | |
219 | } | |
220 | ||
221 | int | |
40165636 | 222 | objc_write_int (struct objc_typed_stream *stream, int value) |
88e17b57 | 223 | { |
40165636 | 224 | unsigned char buf[sizeof (int) + 1]; |
88e17b57 | 225 | int len = __objc_code_int (buf, value); |
8d488306 | 226 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
227 | } |
228 | ||
435317e2 | 229 | static inline int |
40165636 | 230 | __objc_code_unsigned_long (unsigned char *buf, unsigned long val) |
88e17b57 BE |
231 | { |
232 | if ((val&_B_VALUE) == val) | |
233 | { | |
234 | buf[0] = val|_B_SINT; | |
235 | return 1; | |
236 | } | |
237 | else | |
238 | { | |
239 | int c, b; | |
240 | ||
241 | buf[0] = _B_NINT; | |
242 | ||
40165636 RB |
243 | for (c = sizeof (long); c != 0; c -= 1) |
244 | if (((val >> (8*(c - 1)))%0x100) != 0) | |
88e17b57 BE |
245 | break; |
246 | ||
247 | buf[0] |= c; | |
248 | ||
249 | for (b = 1; c != 0; c--, b++) | |
250 | { | |
40165636 | 251 | buf[b] = (val >> (8*(c - 1)))%0x100; |
88e17b57 BE |
252 | } |
253 | ||
254 | return b; | |
255 | } | |
256 | } | |
257 | ||
258 | int | |
40165636 | 259 | objc_write_unsigned_long (struct objc_typed_stream *stream, |
88e17b57 BE |
260 | unsigned long value) |
261 | { | |
40165636 | 262 | unsigned char buf[sizeof (unsigned long) + 1]; |
88e17b57 | 263 | int len = __objc_code_unsigned_long (buf, value); |
8d488306 | 264 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
265 | } |
266 | ||
435317e2 | 267 | static inline int |
40165636 | 268 | __objc_code_long (unsigned char *buf, long val) |
88e17b57 BE |
269 | { |
270 | int sign = (val < 0); | |
271 | int size = __objc_code_unsigned_long (buf, sign ? -val : val); | |
272 | if (sign) | |
273 | buf[0] |= _B_SIGN; | |
274 | return size; | |
275 | } | |
276 | ||
277 | int | |
40165636 | 278 | objc_write_long (struct objc_typed_stream *stream, long value) |
88e17b57 | 279 | { |
40165636 | 280 | unsigned char buf[sizeof (long) + 1]; |
88e17b57 | 281 | int len = __objc_code_long (buf, value); |
8d488306 | 282 | return (*stream->write) (stream->physical, (char*)buf, len); |
88e17b57 BE |
283 | } |
284 | ||
285 | ||
286 | int | |
40165636 RB |
287 | objc_write_string (struct objc_typed_stream *stream, |
288 | const unsigned char *string, unsigned int nbytes) | |
88e17b57 | 289 | { |
40165636 | 290 | unsigned char buf[sizeof (unsigned int) + 1]; |
88e17b57 BE |
291 | int len = __objc_code_unsigned_int (buf, nbytes); |
292 | ||
293 | if ((buf[0]&_B_CODE) == _B_SINT) | |
294 | buf[0] = (buf[0]&_B_VALUE)|_B_SSTR; | |
295 | ||
296 | else /* _B_NINT */ | |
297 | buf[0] = (buf[0]&_B_VALUE)|_B_NSTR; | |
298 | ||
8d488306 AP |
299 | if ((*stream->write) (stream->physical, (char*)buf, len) != 0) |
300 | return (*stream->write) (stream->physical, (char*)string, nbytes); | |
88e17b57 BE |
301 | else |
302 | return 0; | |
303 | } | |
304 | ||
305 | int | |
40165636 RB |
306 | objc_write_string_atomic (struct objc_typed_stream *stream, |
307 | unsigned char *string, unsigned int nbytes) | |
88e17b57 BE |
308 | { |
309 | unsigned long key; | |
270a1283 | 310 | if ((key = PTR2LONG(objc_hash_value_for_key (stream->stream_table, string)))) |
88e17b57 BE |
311 | return objc_write_use_common (stream, key); |
312 | else | |
313 | { | |
314 | int length; | |
270a1283 DA |
315 | objc_hash_add (&stream->stream_table, |
316 | LONG2PTR(key=PTR2LONG(string)), string); | |
88e17b57 BE |
317 | if ((length = objc_write_register_common (stream, key))) |
318 | return objc_write_string (stream, string, nbytes); | |
319 | return length; | |
320 | } | |
321 | } | |
322 | ||
323 | static int | |
40165636 | 324 | objc_write_register_common (struct objc_typed_stream *stream, |
88e17b57 BE |
325 | unsigned long key) |
326 | { | |
327 | unsigned char buf[sizeof (unsigned long)+2]; | |
40165636 | 328 | int len = __objc_code_unsigned_long (buf + 1, key); |
88e17b57 BE |
329 | if (len == 1) |
330 | { | |
331 | buf[0] = _B_RCOMM|0x01; | |
332 | buf[1] &= _B_VALUE; | |
8d488306 | 333 | return (*stream->write) (stream->physical, (char*)buf, len + 1); |
88e17b57 BE |
334 | } |
335 | else | |
336 | { | |
337 | buf[1] = (buf[1]&_B_VALUE)|_B_RCOMM; | |
8d488306 | 338 | return (*stream->write) (stream->physical, (char*)buf + 1, len); |
88e17b57 BE |
339 | } |
340 | } | |
341 | ||
342 | static int | |
40165636 | 343 | objc_write_use_common (struct objc_typed_stream *stream, unsigned long key) |
88e17b57 BE |
344 | { |
345 | unsigned char buf[sizeof (unsigned long)+2]; | |
40165636 | 346 | int len = __objc_code_unsigned_long (buf + 1, key); |
88e17b57 BE |
347 | if (len == 1) |
348 | { | |
349 | buf[0] = _B_UCOMM|0x01; | |
350 | buf[1] &= _B_VALUE; | |
8d488306 | 351 | return (*stream->write) (stream->physical, (char*)buf, 2); |
88e17b57 BE |
352 | } |
353 | else | |
354 | { | |
355 | buf[1] = (buf[1]&_B_VALUE)|_B_UCOMM; | |
8d488306 | 356 | return (*stream->write) (stream->physical, (char*)buf + 1, len); |
88e17b57 BE |
357 | } |
358 | } | |
359 | ||
435317e2 | 360 | static inline int |
40165636 | 361 | __objc_write_extension (struct objc_typed_stream *stream, unsigned char code) |
88e17b57 BE |
362 | { |
363 | if (code <= _B_VALUE) | |
364 | { | |
365 | unsigned char buf = code|_B_EXT; | |
8d488306 | 366 | return (*stream->write) (stream->physical, (char*)&buf, 1); |
88e17b57 BE |
367 | } |
368 | else | |
369 | { | |
7b869986 | 370 | _objc_abort ("__objc_write_extension: bad opcode %c\n", code); |
88e17b57 BE |
371 | return -1; |
372 | } | |
373 | } | |
374 | ||
7116b6ea | 375 | int |
40165636 | 376 | __objc_write_object (struct objc_typed_stream *stream, id object) |
88e17b57 BE |
377 | { |
378 | unsigned char buf = '\0'; | |
379 | SEL write_sel = sel_get_any_uid ("write:"); | |
380 | if (object) | |
381 | { | |
382 | __objc_write_extension (stream, _BX_OBJECT); | |
383 | objc_write_class (stream, object->class_pointer); | |
40165636 | 384 | (*objc_msg_lookup (object, write_sel)) (object, write_sel, stream); |
8d488306 | 385 | return (*stream->write) (stream->physical, (char*)&buf, 1); |
88e17b57 BE |
386 | } |
387 | else | |
40165636 | 388 | return objc_write_use_common (stream, 0); |
88e17b57 BE |
389 | } |
390 | ||
391 | int | |
40165636 | 392 | objc_write_object_reference (struct objc_typed_stream *stream, id object) |
88e17b57 BE |
393 | { |
394 | unsigned long key; | |
270a1283 | 395 | if ((key = PTR2LONG(objc_hash_value_for_key (stream->object_table, object)))) |
88e17b57 BE |
396 | return objc_write_use_common (stream, key); |
397 | ||
398 | __objc_write_extension (stream, _BX_OBJREF); | |
399 | return objc_write_unsigned_long (stream, PTR2LONG (object)); | |
400 | } | |
401 | ||
402 | int | |
40165636 | 403 | objc_write_root_object (struct objc_typed_stream *stream, id object) |
88e17b57 BE |
404 | { |
405 | int len = 0; | |
406 | if (stream->writing_root_p) | |
7b869986 | 407 | _objc_abort ("objc_write_root_object called recursively"); |
88e17b57 BE |
408 | else |
409 | { | |
410 | stream->writing_root_p = 1; | |
411 | __objc_write_extension (stream, _BX_OBJROOT); | |
40165636 RB |
412 | if ((len = objc_write_object (stream, object))) |
413 | __objc_finish_write_root_object (stream); | |
88e17b57 BE |
414 | stream->writing_root_p = 0; |
415 | } | |
416 | return len; | |
417 | } | |
418 | ||
419 | int | |
40165636 | 420 | objc_write_object (struct objc_typed_stream *stream, id object) |
88e17b57 BE |
421 | { |
422 | unsigned long key; | |
270a1283 | 423 | if ((key = PTR2LONG(objc_hash_value_for_key (stream->object_table, object)))) |
88e17b57 BE |
424 | return objc_write_use_common (stream, key); |
425 | ||
426 | else if (object == nil) | |
40165636 | 427 | return objc_write_use_common (stream, 0); |
88e17b57 BE |
428 | |
429 | else | |
430 | { | |
431 | int length; | |
270a1283 DA |
432 | objc_hash_add (&stream->object_table, |
433 | LONG2PTR(key=PTR2LONG(object)), object); | |
88e17b57 BE |
434 | if ((length = objc_write_register_common (stream, key))) |
435 | return __objc_write_object (stream, object); | |
436 | return length; | |
437 | } | |
438 | } | |
439 | ||
7116b6ea | 440 | int |
40165636 | 441 | __objc_write_class (struct objc_typed_stream *stream, struct objc_class *class) |
88e17b57 BE |
442 | { |
443 | __objc_write_extension (stream, _BX_CLASS); | |
8d488306 | 444 | objc_write_string_atomic (stream, (unsigned char *) class->name, |
40165636 | 445 | strlen ((char *) class->name)); |
88e17b57 BE |
446 | return objc_write_unsigned_long (stream, class->version); |
447 | } | |
448 | ||
449 | ||
450 | static int | |
40165636 RB |
451 | objc_write_class (struct objc_typed_stream *stream, |
452 | struct objc_class *class) | |
88e17b57 BE |
453 | { |
454 | unsigned long key; | |
270a1283 | 455 | if ((key = PTR2LONG(objc_hash_value_for_key (stream->stream_table, class)))) |
88e17b57 BE |
456 | return objc_write_use_common (stream, key); |
457 | else | |
458 | { | |
459 | int length; | |
270a1283 DA |
460 | objc_hash_add (&stream->stream_table, |
461 | LONG2PTR(key = PTR2LONG(class)), class); | |
88e17b57 BE |
462 | if ((length = objc_write_register_common (stream, key))) |
463 | return __objc_write_class (stream, class); | |
464 | return length; | |
465 | } | |
466 | } | |
467 | ||
468 | ||
7116b6ea | 469 | int |
40165636 | 470 | __objc_write_selector (struct objc_typed_stream *stream, SEL selector) |
88e17b57 | 471 | { |
40165636 | 472 | const char *sel_name; |
88e17b57 BE |
473 | __objc_write_extension (stream, _BX_SEL); |
474 | /* to handle NULL selectors */ | |
475 | if ((SEL)0 == selector) | |
8d488306 | 476 | return objc_write_string (stream, (unsigned char*)"", 0); |
88e17b57 | 477 | sel_name = sel_get_name (selector); |
8d488306 | 478 | return objc_write_string (stream, (unsigned char*)sel_name, strlen ((char*)sel_name)); |
88e17b57 BE |
479 | } |
480 | ||
481 | int | |
40165636 | 482 | objc_write_selector (struct objc_typed_stream *stream, SEL selector) |
88e17b57 | 483 | { |
40165636 | 484 | const char *sel_name; |
88e17b57 BE |
485 | unsigned long key; |
486 | ||
487 | /* to handle NULL selectors */ | |
488 | if ((SEL)0 == selector) | |
489 | return __objc_write_selector (stream, selector); | |
490 | ||
491 | sel_name = sel_get_name (selector); | |
270a1283 DA |
492 | if ((key = PTR2LONG(objc_hash_value_for_key (stream->stream_table, |
493 | sel_name)))) | |
88e17b57 BE |
494 | return objc_write_use_common (stream, key); |
495 | else | |
496 | { | |
497 | int length; | |
270a1283 | 498 | objc_hash_add (&stream->stream_table, |
40165636 | 499 | LONG2PTR(key = PTR2LONG(sel_name)), (char *) sel_name); |
88e17b57 BE |
500 | if ((length = objc_write_register_common (stream, key))) |
501 | return __objc_write_selector (stream, selector); | |
502 | return length; | |
503 | } | |
504 | } | |
505 | ||
506 | ||
507 | ||
508 | /* | |
509 | ** Read operations | |
510 | */ | |
511 | ||
7116b6ea | 512 | int |
40165636 | 513 | objc_read_char (struct objc_typed_stream *stream, char *val) |
88e17b57 BE |
514 | { |
515 | unsigned char buf; | |
516 | int len; | |
8d488306 | 517 | len = (*stream->read) (stream->physical, (char*)&buf, 1); |
88e17b57 BE |
518 | if (len != 0) |
519 | { | |
520 | if ((buf & _B_CODE) == _B_SINT) | |
521 | (*val) = (buf & _B_VALUE); | |
522 | ||
523 | else if ((buf & _B_NUMBER) == 1) | |
524 | { | |
40165636 | 525 | len = (*stream->read) (stream->physical, val, 1); |
88e17b57 | 526 | if (buf&_B_SIGN) |
40165636 | 527 | (*val) = -1 * (*val); |
88e17b57 BE |
528 | } |
529 | ||
530 | else | |
7b869986 NP |
531 | _objc_abort ("expected 8bit signed int, got %dbit int", |
532 | (int) (buf&_B_NUMBER)*8); | |
88e17b57 BE |
533 | } |
534 | return len; | |
535 | } | |
536 | ||
537 | ||
7116b6ea | 538 | int |
40165636 | 539 | objc_read_unsigned_char (struct objc_typed_stream *stream, unsigned char *val) |
88e17b57 BE |
540 | { |
541 | unsigned char buf; | |
542 | int len; | |
8d488306 | 543 | if ((len = (*stream->read) (stream->physical, (char*)&buf, 1))) |
88e17b57 BE |
544 | { |
545 | if ((buf & _B_CODE) == _B_SINT) | |
546 | (*val) = (buf & _B_VALUE); | |
547 | ||
548 | else if ((buf & _B_NUMBER) == 1) | |
8d488306 | 549 | len = (*stream->read) (stream->physical, (char*)val, 1); |
88e17b57 BE |
550 | |
551 | else | |
7b869986 NP |
552 | _objc_abort ("expected 8bit unsigned int, got %dbit int", |
553 | (int) (buf&_B_NUMBER)*8); | |
88e17b57 BE |
554 | } |
555 | return len; | |
556 | } | |
557 | ||
7116b6ea | 558 | int |
40165636 | 559 | objc_read_short (struct objc_typed_stream *stream, short *value) |
88e17b57 | 560 | { |
40165636 | 561 | unsigned char buf[sizeof (short) + 1]; |
88e17b57 | 562 | int len; |
8d488306 | 563 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
564 | { |
565 | if ((buf[0] & _B_CODE) == _B_SINT) | |
566 | (*value) = (buf[0] & _B_VALUE); | |
567 | ||
568 | else | |
569 | { | |
570 | int pos = 1; | |
571 | int nbytes = buf[0] & _B_NUMBER; | |
8f8c44cb | 572 | if (nbytes > (int) sizeof (short)) |
7b869986 | 573 | _objc_abort ("expected short, got bigger (%dbits)", nbytes*8); |
8d488306 | 574 | len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); |
88e17b57 BE |
575 | (*value) = 0; |
576 | while (pos <= nbytes) | |
577 | (*value) = ((*value)*0x100) + buf[pos++]; | |
578 | if (buf[0] & _B_SIGN) | |
579 | (*value) = -(*value); | |
580 | } | |
581 | } | |
582 | return len; | |
583 | } | |
584 | ||
7116b6ea | 585 | int |
40165636 RB |
586 | objc_read_unsigned_short (struct objc_typed_stream *stream, |
587 | unsigned short *value) | |
88e17b57 | 588 | { |
40165636 | 589 | unsigned char buf[sizeof (unsigned short) + 1]; |
88e17b57 | 590 | int len; |
8d488306 | 591 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
592 | { |
593 | if ((buf[0] & _B_CODE) == _B_SINT) | |
594 | (*value) = (buf[0] & _B_VALUE); | |
595 | ||
596 | else | |
597 | { | |
598 | int pos = 1; | |
599 | int nbytes = buf[0] & _B_NUMBER; | |
8f8c44cb | 600 | if (nbytes > (int) sizeof (short)) |
7b869986 | 601 | _objc_abort ("expected short, got int or bigger"); |
8d488306 | 602 | len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); |
88e17b57 BE |
603 | (*value) = 0; |
604 | while (pos <= nbytes) | |
605 | (*value) = ((*value)*0x100) + buf[pos++]; | |
606 | } | |
607 | } | |
608 | return len; | |
609 | } | |
610 | ||
611 | ||
7116b6ea | 612 | int |
40165636 | 613 | objc_read_int (struct objc_typed_stream *stream, int *value) |
88e17b57 | 614 | { |
40165636 | 615 | unsigned char buf[sizeof (int) + 1]; |
88e17b57 | 616 | int len; |
8d488306 | 617 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
618 | { |
619 | if ((buf[0] & _B_CODE) == _B_SINT) | |
620 | (*value) = (buf[0] & _B_VALUE); | |
621 | ||
622 | else | |
623 | { | |
624 | int pos = 1; | |
625 | int nbytes = buf[0] & _B_NUMBER; | |
8f8c44cb | 626 | if (nbytes > (int) sizeof (int)) |
7b869986 | 627 | _objc_abort ("expected int, got bigger"); |
8d488306 | 628 | len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); |
88e17b57 BE |
629 | (*value) = 0; |
630 | while (pos <= nbytes) | |
631 | (*value) = ((*value)*0x100) + buf[pos++]; | |
632 | if (buf[0] & _B_SIGN) | |
633 | (*value) = -(*value); | |
634 | } | |
635 | } | |
636 | return len; | |
637 | } | |
638 | ||
7116b6ea | 639 | int |
40165636 | 640 | objc_read_long (struct objc_typed_stream *stream, long *value) |
88e17b57 | 641 | { |
40165636 | 642 | unsigned char buf[sizeof (long) + 1]; |
88e17b57 | 643 | int len; |
8d488306 | 644 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
645 | { |
646 | if ((buf[0] & _B_CODE) == _B_SINT) | |
647 | (*value) = (buf[0] & _B_VALUE); | |
648 | ||
649 | else | |
650 | { | |
651 | int pos = 1; | |
652 | int nbytes = buf[0] & _B_NUMBER; | |
8f8c44cb | 653 | if (nbytes > (int) sizeof (long)) |
7b869986 | 654 | _objc_abort ("expected long, got bigger"); |
8d488306 | 655 | len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); |
88e17b57 BE |
656 | (*value) = 0; |
657 | while (pos <= nbytes) | |
658 | (*value) = ((*value)*0x100) + buf[pos++]; | |
659 | if (buf[0] & _B_SIGN) | |
660 | (*value) = -(*value); | |
661 | } | |
662 | } | |
663 | return len; | |
664 | } | |
665 | ||
7116b6ea | 666 | int |
40165636 RB |
667 | __objc_read_nbyte_uint (struct objc_typed_stream *stream, |
668 | unsigned int nbytes, unsigned int *val) | |
88e17b57 | 669 | { |
8f8c44cb KG |
670 | int len; |
671 | unsigned int pos = 0; | |
40165636 | 672 | unsigned char buf[sizeof (unsigned int) + 1]; |
88e17b57 BE |
673 | |
674 | if (nbytes > sizeof (int)) | |
7b869986 | 675 | _objc_abort ("expected int, got bigger"); |
88e17b57 | 676 | |
8d488306 | 677 | len = (*stream->read) (stream->physical, (char*)buf, nbytes); |
88e17b57 BE |
678 | (*val) = 0; |
679 | while (pos < nbytes) | |
680 | (*val) = ((*val)*0x100) + buf[pos++]; | |
681 | return len; | |
682 | } | |
683 | ||
684 | ||
7116b6ea | 685 | int |
40165636 RB |
686 | objc_read_unsigned_int (struct objc_typed_stream *stream, |
687 | unsigned int *value) | |
88e17b57 | 688 | { |
40165636 | 689 | unsigned char buf[sizeof (unsigned int) + 1]; |
88e17b57 | 690 | int len; |
8d488306 | 691 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
692 | { |
693 | if ((buf[0] & _B_CODE) == _B_SINT) | |
694 | (*value) = (buf[0] & _B_VALUE); | |
695 | ||
696 | else | |
697 | len = __objc_read_nbyte_uint (stream, (buf[0] & _B_VALUE), value); | |
698 | ||
699 | } | |
700 | return len; | |
701 | } | |
702 | ||
703 | int | |
40165636 RB |
704 | __objc_read_nbyte_ulong (struct objc_typed_stream *stream, |
705 | unsigned int nbytes, unsigned long *val) | |
88e17b57 | 706 | { |
8f8c44cb KG |
707 | int len; |
708 | unsigned int pos = 0; | |
40165636 | 709 | unsigned char buf[sizeof (unsigned long) + 1]; |
88e17b57 BE |
710 | |
711 | if (nbytes > sizeof (long)) | |
7b869986 | 712 | _objc_abort ("expected long, got bigger"); |
88e17b57 | 713 | |
8d488306 | 714 | len = (*stream->read) (stream->physical, (char*)buf, nbytes); |
88e17b57 BE |
715 | (*val) = 0; |
716 | while (pos < nbytes) | |
717 | (*val) = ((*val)*0x100) + buf[pos++]; | |
718 | return len; | |
719 | } | |
720 | ||
721 | ||
7116b6ea | 722 | int |
40165636 RB |
723 | objc_read_unsigned_long (struct objc_typed_stream *stream, |
724 | unsigned long *value) | |
88e17b57 | 725 | { |
40165636 | 726 | unsigned char buf[sizeof (unsigned long) + 1]; |
88e17b57 | 727 | int len; |
8d488306 | 728 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
729 | { |
730 | if ((buf[0] & _B_CODE) == _B_SINT) | |
731 | (*value) = (buf[0] & _B_VALUE); | |
732 | ||
733 | else | |
734 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), value); | |
735 | ||
736 | } | |
737 | return len; | |
738 | } | |
739 | ||
7116b6ea | 740 | int |
40165636 RB |
741 | objc_read_string (struct objc_typed_stream *stream, |
742 | char **string) | |
88e17b57 | 743 | { |
40165636 | 744 | unsigned char buf[sizeof (unsigned int) + 1]; |
88e17b57 | 745 | int len; |
8d488306 | 746 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
747 | { |
748 | unsigned long key = 0; | |
749 | ||
750 | if ((buf[0]&_B_CODE) == _B_RCOMM) /* register following */ | |
751 | { | |
40165636 | 752 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
8d488306 | 753 | len = (*stream->read) (stream->physical, (char*)buf, 1); |
88e17b57 BE |
754 | } |
755 | ||
756 | switch (buf[0]&_B_CODE) { | |
757 | case _B_SSTR: | |
758 | { | |
759 | int length = buf[0]&_B_VALUE; | |
40165636 | 760 | (*string) = (char*)objc_malloc (length + 1); |
88e17b57 | 761 | if (key) |
270a1283 | 762 | objc_hash_add (&stream->stream_table, LONG2PTR(key), *string); |
40165636 | 763 | len = (*stream->read) (stream->physical, *string, length); |
88e17b57 BE |
764 | (*string)[length] = '\0'; |
765 | } | |
766 | break; | |
767 | ||
768 | case _B_UCOMM: | |
769 | { | |
770 | char *tmp; | |
40165636 | 771 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
270a1283 | 772 | tmp = objc_hash_value_for_key (stream->stream_table, LONG2PTR (key)); |
40165636 | 773 | *string = objc_malloc (strlen (tmp) + 1); |
88e17b57 BE |
774 | strcpy (*string, tmp); |
775 | } | |
776 | break; | |
777 | ||
778 | case _B_NSTR: | |
779 | { | |
780 | unsigned int nbytes = buf[0]&_B_VALUE; | |
40165636 | 781 | len = __objc_read_nbyte_uint (stream, nbytes, &nbytes); |
88e17b57 | 782 | if (len) { |
40165636 | 783 | (*string) = (char*)objc_malloc (nbytes + 1); |
88e17b57 | 784 | if (key) |
270a1283 | 785 | objc_hash_add (&stream->stream_table, LONG2PTR(key), *string); |
40165636 | 786 | len = (*stream->read) (stream->physical, *string, nbytes); |
88e17b57 BE |
787 | (*string)[nbytes] = '\0'; |
788 | } | |
789 | } | |
790 | break; | |
791 | ||
792 | default: | |
7b869986 | 793 | _objc_abort ("expected string, got opcode %c\n", (buf[0]&_B_CODE)); |
88e17b57 BE |
794 | } |
795 | } | |
796 | ||
797 | return len; | |
798 | } | |
799 | ||
800 | ||
801 | int | |
40165636 | 802 | objc_read_object (struct objc_typed_stream *stream, id *object) |
88e17b57 BE |
803 | { |
804 | unsigned char buf[sizeof (unsigned int)]; | |
805 | int len; | |
8d488306 | 806 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
807 | { |
808 | SEL read_sel = sel_get_any_uid ("read:"); | |
809 | unsigned long key = 0; | |
810 | ||
811 | if ((buf[0]&_B_CODE) == _B_RCOMM) /* register common */ | |
812 | { | |
40165636 | 813 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
8d488306 | 814 | len = (*stream->read) (stream->physical, (char*)buf, 1); |
88e17b57 BE |
815 | } |
816 | ||
817 | if (buf[0] == (_B_EXT | _BX_OBJECT)) | |
818 | { | |
819 | Class class; | |
820 | ||
821 | /* get class */ | |
822 | len = objc_read_class (stream, &class); | |
823 | ||
824 | /* create instance */ | |
40165636 | 825 | (*object) = class_create_instance (class); |
88e17b57 BE |
826 | |
827 | /* register? */ | |
828 | if (key) | |
270a1283 | 829 | objc_hash_add (&stream->object_table, LONG2PTR(key), *object); |
88e17b57 BE |
830 | |
831 | /* send -read: */ | |
832 | if (__objc_responds_to (*object, read_sel)) | |
40165636 | 833 | (*get_imp (class, read_sel)) (*object, read_sel, stream); |
88e17b57 BE |
834 | |
835 | /* check null-byte */ | |
8d488306 | 836 | len = (*stream->read) (stream->physical, (char*)buf, 1); |
88e17b57 | 837 | if (buf[0] != '\0') |
7b869986 | 838 | _objc_abort ("expected null-byte, got opcode %c", buf[0]); |
88e17b57 BE |
839 | } |
840 | ||
841 | else if ((buf[0]&_B_CODE) == _B_UCOMM) | |
842 | { | |
843 | if (key) | |
7b869986 | 844 | _objc_abort ("cannot register use upcode..."); |
40165636 | 845 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
270a1283 DA |
846 | (*object) = objc_hash_value_for_key (stream->object_table, |
847 | LONG2PTR(key)); | |
88e17b57 BE |
848 | } |
849 | ||
850 | else if (buf[0] == (_B_EXT | _BX_OBJREF)) /* a forward reference */ | |
851 | { | |
40165636 | 852 | struct objc_list *other; |
88e17b57 | 853 | len = objc_read_unsigned_long (stream, &key); |
270a1283 DA |
854 | other |
855 | = (struct objc_list *) objc_hash_value_for_key (stream->object_refs, | |
40165636 | 856 | LONG2PTR(key)); |
270a1283 DA |
857 | objc_hash_add (&stream->object_refs, LONG2PTR(key), |
858 | (void *)list_cons (object, other)); | |
88e17b57 BE |
859 | } |
860 | ||
861 | else if (buf[0] == (_B_EXT | _BX_OBJROOT)) /* a root object */ | |
862 | { | |
863 | if (key) | |
7b869986 | 864 | _objc_abort ("cannot register root object..."); |
88e17b57 BE |
865 | len = objc_read_object (stream, object); |
866 | __objc_finish_read_root_object (stream); | |
867 | } | |
868 | ||
869 | else | |
7b869986 | 870 | _objc_abort ("expected object, got opcode %c", buf[0]); |
88e17b57 BE |
871 | } |
872 | return len; | |
873 | } | |
874 | ||
875 | static int | |
40165636 | 876 | objc_read_class (struct objc_typed_stream *stream, Class *class) |
88e17b57 BE |
877 | { |
878 | unsigned char buf[sizeof (unsigned int)]; | |
879 | int len; | |
8d488306 | 880 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
881 | { |
882 | unsigned long key = 0; | |
883 | ||
884 | if ((buf[0]&_B_CODE) == _B_RCOMM) /* register following */ | |
885 | { | |
40165636 | 886 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
8d488306 | 887 | len = (*stream->read) (stream->physical, (char*)buf, 1); |
88e17b57 BE |
888 | } |
889 | ||
890 | if (buf[0] == (_B_EXT | _BX_CLASS)) | |
891 | { | |
8d488306 AP |
892 | char temp[1] = ""; |
893 | char *class_name = temp; | |
88e17b57 BE |
894 | unsigned long version; |
895 | ||
896 | /* get class */ | |
897 | len = objc_read_string (stream, &class_name); | |
40165636 RB |
898 | (*class) = objc_get_class (class_name); |
899 | objc_free (class_name); | |
88e17b57 BE |
900 | |
901 | /* register */ | |
902 | if (key) | |
270a1283 | 903 | objc_hash_add (&stream->stream_table, LONG2PTR(key), *class); |
88e17b57 | 904 | |
40165636 | 905 | objc_read_unsigned_long (stream, &version); |
270a1283 | 906 | objc_hash_add (&stream->class_table, |
c24aadf3 | 907 | (*class)->name, (void *) ((size_t) version)); |
88e17b57 BE |
908 | } |
909 | ||
910 | else if ((buf[0]&_B_CODE) == _B_UCOMM) | |
911 | { | |
912 | if (key) | |
7b869986 | 913 | _objc_abort ("cannot register use upcode..."); |
40165636 | 914 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
270a1283 DA |
915 | *class = objc_hash_value_for_key (stream->stream_table, |
916 | LONG2PTR(key)); | |
40165636 | 917 | if (! *class) |
7b869986 | 918 | _objc_abort ("cannot find class for key %lu", key); |
88e17b57 BE |
919 | } |
920 | ||
921 | else | |
7b869986 | 922 | _objc_abort ("expected class, got opcode %c", buf[0]); |
88e17b57 BE |
923 | } |
924 | return len; | |
925 | } | |
926 | ||
927 | int | |
40165636 | 928 | objc_read_selector (struct objc_typed_stream *stream, SEL* selector) |
88e17b57 BE |
929 | { |
930 | unsigned char buf[sizeof (unsigned int)]; | |
931 | int len; | |
8d488306 | 932 | if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) |
88e17b57 BE |
933 | { |
934 | unsigned long key = 0; | |
935 | ||
936 | if ((buf[0]&_B_CODE) == _B_RCOMM) /* register following */ | |
937 | { | |
40165636 | 938 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
8d488306 | 939 | len = (*stream->read) (stream->physical, (char*)buf, 1); |
88e17b57 BE |
940 | } |
941 | ||
942 | if (buf[0] == (_B_EXT|_BX_SEL)) /* selector! */ | |
943 | { | |
8d488306 AP |
944 | char temp[1] = ""; |
945 | char *selector_name = temp; | |
88e17b57 BE |
946 | |
947 | /* get selector */ | |
948 | len = objc_read_string (stream, &selector_name); | |
949 | /* To handle NULL selectors */ | |
40165636 | 950 | if (0 == strlen (selector_name)) |
88e17b57 BE |
951 | { |
952 | (*selector) = (SEL)0; | |
953 | return 0; | |
954 | } | |
955 | else | |
40165636 RB |
956 | (*selector) = sel_get_any_uid (selector_name); |
957 | objc_free (selector_name); | |
88e17b57 BE |
958 | |
959 | /* register */ | |
960 | if (key) | |
270a1283 DA |
961 | objc_hash_add (&stream->stream_table, |
962 | LONG2PTR(key), (void *) *selector); | |
88e17b57 BE |
963 | } |
964 | ||
965 | else if ((buf[0]&_B_CODE) == _B_UCOMM) | |
966 | { | |
967 | if (key) | |
7b869986 | 968 | _objc_abort ("cannot register use upcode..."); |
40165636 | 969 | len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); |
270a1283 DA |
970 | (*selector) = objc_hash_value_for_key (stream->stream_table, |
971 | LONG2PTR(key)); | |
88e17b57 BE |
972 | } |
973 | ||
974 | else | |
7b869986 | 975 | _objc_abort ("expected selector, got opcode %c", buf[0]); |
88e17b57 BE |
976 | } |
977 | return len; | |
978 | } | |
979 | ||
980 | /* | |
981 | ** USER LEVEL FUNCTIONS | |
982 | */ | |
983 | ||
984 | /* | |
985 | ** Write one object, encoded in TYPE and pointed to by DATA to the | |
986 | ** typed stream STREAM. | |
987 | */ | |
988 | ||
989 | int | |
40165636 | 990 | objc_write_type (TypedStream *stream, const char *type, const void *data) |
88e17b57 | 991 | { |
40165636 | 992 | switch (*type) { |
88e17b57 | 993 | case _C_ID: |
40165636 | 994 | return objc_write_object (stream, *(id *) data); |
88e17b57 BE |
995 | break; |
996 | ||
997 | case _C_CLASS: | |
40165636 | 998 | return objc_write_class (stream, *(Class *) data); |
88e17b57 BE |
999 | break; |
1000 | ||
1001 | case _C_SEL: | |
40165636 | 1002 | return objc_write_selector (stream, *(SEL *) data); |
88e17b57 BE |
1003 | break; |
1004 | ||
1005 | case _C_CHR: | |
40165636 | 1006 | return objc_write_char (stream, *(signed char *) data); |
88e17b57 BE |
1007 | break; |
1008 | ||
1009 | case _C_UCHR: | |
40165636 | 1010 | return objc_write_unsigned_char (stream, *(unsigned char *) data); |
88e17b57 BE |
1011 | break; |
1012 | ||
1013 | case _C_SHT: | |
40165636 | 1014 | return objc_write_short (stream, *(short *) data); |
88e17b57 BE |
1015 | break; |
1016 | ||
1017 | case _C_USHT: | |
40165636 | 1018 | return objc_write_unsigned_short (stream, *(unsigned short *) data); |
88e17b57 BE |
1019 | break; |
1020 | ||
1021 | case _C_INT: | |
40165636 | 1022 | return objc_write_int (stream, *(int *) data); |
88e17b57 BE |
1023 | break; |
1024 | ||
1025 | case _C_UINT: | |
40165636 | 1026 | return objc_write_unsigned_int (stream, *(unsigned int *) data); |
88e17b57 BE |
1027 | break; |
1028 | ||
1029 | case _C_LNG: | |
40165636 | 1030 | return objc_write_long (stream, *(long *) data); |
88e17b57 BE |
1031 | break; |
1032 | ||
1033 | case _C_ULNG: | |
40165636 | 1034 | return objc_write_unsigned_long (stream, *(unsigned long *) data); |
88e17b57 BE |
1035 | break; |
1036 | ||
1037 | case _C_CHARPTR: | |
40165636 | 1038 | return objc_write_string (stream, |
8d488306 | 1039 | *(unsigned char **) data, strlen (*(char **) data)); |
88e17b57 BE |
1040 | break; |
1041 | ||
1042 | case _C_ATOM: | |
8d488306 | 1043 | return objc_write_string_atomic (stream, *(unsigned char **) data, |
40165636 | 1044 | strlen (*(char **) data)); |
88e17b57 BE |
1045 | break; |
1046 | ||
1047 | case _C_ARY_B: | |
1048 | { | |
40165636 RB |
1049 | int len = atoi (type + 1); |
1050 | while (isdigit ((unsigned char) *++type)) | |
88e17b57 BE |
1051 | ; |
1052 | return objc_write_array (stream, type, len, data); | |
1053 | } | |
1054 | break; | |
1055 | ||
1056 | case _C_STRUCT_B: | |
1057 | { | |
1058 | int acc_size = 0; | |
1059 | int align; | |
1060 | while (*type != _C_STRUCT_E && *type++ != '=') | |
1061 | ; /* skip "<name>=" */ | |
1062 | while (*type != _C_STRUCT_E) | |
1063 | { | |
1064 | align = objc_alignof_type (type); /* padd to alignment */ | |
ca59f04b | 1065 | acc_size = ROUND (acc_size, align); |
40165636 | 1066 | objc_write_type (stream, type, ((char *) data) + acc_size); |
88e17b57 BE |
1067 | acc_size += objc_sizeof_type (type); /* add component size */ |
1068 | type = objc_skip_typespec (type); /* skip component */ | |
1069 | } | |
1070 | return 1; | |
1071 | } | |
1072 | ||
1073 | default: | |
1074 | { | |
7b869986 | 1075 | _objc_abort ("objc_write_type: cannot parse typespec: %s\n", type); |
88e17b57 BE |
1076 | return 0; |
1077 | } | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | /* | |
1082 | ** Read one object, encoded in TYPE and pointed to by DATA to the | |
1083 | ** typed stream STREAM. DATA specifies the address of the types to | |
1084 | ** read. Expected type is checked against the type actually present | |
1085 | ** on the stream. | |
1086 | */ | |
1087 | ||
1088 | int | |
40165636 | 1089 | objc_read_type(TypedStream *stream, const char *type, void *data) |
88e17b57 BE |
1090 | { |
1091 | char c; | |
40165636 | 1092 | switch (c = *type) { |
88e17b57 BE |
1093 | case _C_ID: |
1094 | return objc_read_object (stream, (id*)data); | |
1095 | break; | |
1096 | ||
1097 | case _C_CLASS: | |
1098 | return objc_read_class (stream, (Class*)data); | |
1099 | break; | |
1100 | ||
1101 | case _C_SEL: | |
1102 | return objc_read_selector (stream, (SEL*)data); | |
1103 | break; | |
1104 | ||
1105 | case _C_CHR: | |
1106 | return objc_read_char (stream, (char*)data); | |
1107 | break; | |
1108 | ||
1109 | case _C_UCHR: | |
1110 | return objc_read_unsigned_char (stream, (unsigned char*)data); | |
1111 | break; | |
1112 | ||
1113 | case _C_SHT: | |
1114 | return objc_read_short (stream, (short*)data); | |
1115 | break; | |
1116 | ||
1117 | case _C_USHT: | |
1118 | return objc_read_unsigned_short (stream, (unsigned short*)data); | |
1119 | break; | |
1120 | ||
1121 | case _C_INT: | |
1122 | return objc_read_int (stream, (int*)data); | |
1123 | break; | |
1124 | ||
1125 | case _C_UINT: | |
1126 | return objc_read_unsigned_int (stream, (unsigned int*)data); | |
1127 | break; | |
1128 | ||
1129 | case _C_LNG: | |
1130 | return objc_read_long (stream, (long*)data); | |
1131 | break; | |
1132 | ||
1133 | case _C_ULNG: | |
1134 | return objc_read_unsigned_long (stream, (unsigned long*)data); | |
1135 | break; | |
1136 | ||
1137 | case _C_CHARPTR: | |
1138 | case _C_ATOM: | |
1139 | return objc_read_string (stream, (char**)data); | |
1140 | break; | |
1141 | ||
1142 | case _C_ARY_B: | |
1143 | { | |
40165636 RB |
1144 | int len = atoi (type + 1); |
1145 | while (isdigit ((unsigned char) *++type)) | |
88e17b57 BE |
1146 | ; |
1147 | return objc_read_array (stream, type, len, data); | |
1148 | } | |
1149 | break; | |
1150 | ||
1151 | case _C_STRUCT_B: | |
1152 | { | |
1153 | int acc_size = 0; | |
1154 | int align; | |
1155 | while (*type != _C_STRUCT_E && *type++ != '=') | |
1156 | ; /* skip "<name>=" */ | |
1157 | while (*type != _C_STRUCT_E) | |
1158 | { | |
1159 | align = objc_alignof_type (type); /* padd to alignment */ | |
ca59f04b | 1160 | acc_size = ROUND (acc_size, align); |
88e17b57 BE |
1161 | objc_read_type (stream, type, ((char*)data)+acc_size); |
1162 | acc_size += objc_sizeof_type (type); /* add component size */ | |
1163 | type = objc_skip_typespec (type); /* skip component */ | |
1164 | } | |
1165 | return 1; | |
1166 | } | |
1167 | ||
1168 | default: | |
1169 | { | |
7b869986 | 1170 | _objc_abort ("objc_read_type: cannot parse typespec: %s\n", type); |
88e17b57 BE |
1171 | return 0; |
1172 | } | |
1173 | } | |
1174 | } | |
1175 | ||
1176 | /* | |
1177 | ** Write the object specified by the template TYPE to STREAM. Last | |
1178 | ** arguments specify addresses of values to be written. It might | |
1179 | ** seem surprising to specify values by address, but this is extremely | |
1180 | ** convenient for copy-paste with objc_read_types calls. A more | |
1181 | ** down-to-the-earth cause for this passing of addresses is that values | |
1182 | ** of arbitrary size is not well supported in ANSI C for functions with | |
1183 | ** variable number of arguments. | |
1184 | */ | |
1185 | ||
1186 | int | |
40165636 | 1187 | objc_write_types (TypedStream *stream, const char *type, ...) |
88e17b57 BE |
1188 | { |
1189 | va_list args; | |
1190 | const char *c; | |
1191 | int res = 0; | |
1192 | ||
1193 | va_start(args, type); | |
1194 | ||
1195 | for (c = type; *c; c = objc_skip_typespec (c)) | |
1196 | { | |
40165636 | 1197 | switch (*c) { |
88e17b57 BE |
1198 | case _C_ID: |
1199 | res = objc_write_object (stream, *va_arg (args, id*)); | |
1200 | break; | |
1201 | ||
1202 | case _C_CLASS: | |
40165636 | 1203 | res = objc_write_class (stream, *va_arg (args, Class*)); |
88e17b57 BE |
1204 | break; |
1205 | ||
1206 | case _C_SEL: | |
40165636 | 1207 | res = objc_write_selector (stream, *va_arg (args, SEL*)); |
88e17b57 BE |
1208 | break; |
1209 | ||
1210 | case _C_CHR: | |
1211 | res = objc_write_char (stream, *va_arg (args, char*)); | |
1212 | break; | |
1213 | ||
1214 | case _C_UCHR: | |
1215 | res = objc_write_unsigned_char (stream, | |
1216 | *va_arg (args, unsigned char*)); | |
1217 | break; | |
1218 | ||
1219 | case _C_SHT: | |
40165636 | 1220 | res = objc_write_short (stream, *va_arg (args, short*)); |
88e17b57 BE |
1221 | break; |
1222 | ||
1223 | case _C_USHT: | |
1224 | res = objc_write_unsigned_short (stream, | |
40165636 | 1225 | *va_arg (args, unsigned short*)); |
88e17b57 BE |
1226 | break; |
1227 | ||
1228 | case _C_INT: | |
40165636 | 1229 | res = objc_write_int(stream, *va_arg (args, int*)); |
88e17b57 BE |
1230 | break; |
1231 | ||
1232 | case _C_UINT: | |
40165636 | 1233 | res = objc_write_unsigned_int(stream, *va_arg (args, unsigned int*)); |
88e17b57 BE |
1234 | break; |
1235 | ||
1236 | case _C_LNG: | |
40165636 | 1237 | res = objc_write_long(stream, *va_arg (args, long*)); |
88e17b57 BE |
1238 | break; |
1239 | ||
1240 | case _C_ULNG: | |
40165636 | 1241 | res = objc_write_unsigned_long(stream, *va_arg (args, unsigned long*)); |
88e17b57 BE |
1242 | break; |
1243 | ||
1244 | case _C_CHARPTR: | |
1245 | { | |
8d488306 AP |
1246 | unsigned char **str = va_arg (args, unsigned char **); |
1247 | res = objc_write_string (stream, *str, strlen ((char*)*str)); | |
88e17b57 BE |
1248 | } |
1249 | break; | |
1250 | ||
1251 | case _C_ATOM: | |
1252 | { | |
8d488306 AP |
1253 | unsigned char **str = va_arg (args, unsigned char **); |
1254 | res = objc_write_string_atomic (stream, *str, strlen ((char*)*str)); | |
88e17b57 BE |
1255 | } |
1256 | break; | |
1257 | ||
1258 | case _C_ARY_B: | |
1259 | { | |
40165636 RB |
1260 | int len = atoi (c + 1); |
1261 | const char *t = c; | |
1262 | while (isdigit ((unsigned char) *++t)) | |
88e17b57 | 1263 | ; |
40165636 | 1264 | res = objc_write_array (stream, t, len, va_arg (args, void *)); |
88e17b57 BE |
1265 | t = objc_skip_typespec (t); |
1266 | if (*t != _C_ARY_E) | |
7b869986 | 1267 | _objc_abort ("expected `]', got: %s", t); |
88e17b57 BE |
1268 | } |
1269 | break; | |
1270 | ||
1271 | default: | |
7b869986 | 1272 | _objc_abort ("objc_write_types: cannot parse typespec: %s\n", type); |
88e17b57 BE |
1273 | } |
1274 | } | |
1275 | va_end(args); | |
1276 | return res; | |
1277 | } | |
1278 | ||
1279 | ||
1280 | /* | |
1281 | ** Last arguments specify addresses of values to be read. Expected | |
1282 | ** type is checked against the type actually present on the stream. | |
1283 | */ | |
1284 | ||
1285 | int | |
40165636 | 1286 | objc_read_types(TypedStream *stream, const char *type, ...) |
88e17b57 BE |
1287 | { |
1288 | va_list args; | |
1289 | const char *c; | |
1290 | int res = 0; | |
1291 | ||
40165636 | 1292 | va_start (args, type); |
88e17b57 BE |
1293 | |
1294 | for (c = type; *c; c = objc_skip_typespec(c)) | |
1295 | { | |
40165636 | 1296 | switch (*c) { |
88e17b57 | 1297 | case _C_ID: |
40165636 | 1298 | res = objc_read_object(stream, va_arg (args, id*)); |
88e17b57 BE |
1299 | break; |
1300 | ||
1301 | case _C_CLASS: | |
40165636 | 1302 | res = objc_read_class(stream, va_arg (args, Class*)); |
88e17b57 BE |
1303 | break; |
1304 | ||
1305 | case _C_SEL: | |
40165636 | 1306 | res = objc_read_selector(stream, va_arg (args, SEL*)); |
88e17b57 BE |
1307 | break; |
1308 | ||
1309 | case _C_CHR: | |
40165636 | 1310 | res = objc_read_char(stream, va_arg (args, char*)); |
88e17b57 BE |
1311 | break; |
1312 | ||
1313 | case _C_UCHR: | |
40165636 | 1314 | res = objc_read_unsigned_char(stream, va_arg (args, unsigned char*)); |
88e17b57 BE |
1315 | break; |
1316 | ||
1317 | case _C_SHT: | |
40165636 | 1318 | res = objc_read_short(stream, va_arg (args, short*)); |
88e17b57 BE |
1319 | break; |
1320 | ||
1321 | case _C_USHT: | |
40165636 | 1322 | res = objc_read_unsigned_short(stream, va_arg (args, unsigned short*)); |
88e17b57 BE |
1323 | break; |
1324 | ||
1325 | case _C_INT: | |
40165636 | 1326 | res = objc_read_int(stream, va_arg (args, int*)); |
88e17b57 BE |
1327 | break; |
1328 | ||
1329 | case _C_UINT: | |
40165636 | 1330 | res = objc_read_unsigned_int(stream, va_arg (args, unsigned int*)); |
88e17b57 BE |
1331 | break; |
1332 | ||
1333 | case _C_LNG: | |
40165636 | 1334 | res = objc_read_long(stream, va_arg (args, long*)); |
88e17b57 BE |
1335 | break; |
1336 | ||
1337 | case _C_ULNG: | |
40165636 | 1338 | res = objc_read_unsigned_long(stream, va_arg (args, unsigned long*)); |
88e17b57 BE |
1339 | break; |
1340 | ||
1341 | case _C_CHARPTR: | |
1342 | case _C_ATOM: | |
1343 | { | |
40165636 | 1344 | char **str = va_arg (args, char **); |
88e17b57 BE |
1345 | res = objc_read_string (stream, str); |
1346 | } | |
1347 | break; | |
1348 | ||
1349 | case _C_ARY_B: | |
1350 | { | |
40165636 RB |
1351 | int len = atoi (c + 1); |
1352 | const char *t = c; | |
1353 | while (isdigit ((unsigned char) *++t)) | |
88e17b57 | 1354 | ; |
40165636 | 1355 | res = objc_read_array (stream, t, len, va_arg (args, void *)); |
88e17b57 BE |
1356 | t = objc_skip_typespec (t); |
1357 | if (*t != _C_ARY_E) | |
7b869986 | 1358 | _objc_abort ("expected `]', got: %s", t); |
88e17b57 BE |
1359 | } |
1360 | break; | |
1361 | ||
1362 | default: | |
7b869986 | 1363 | _objc_abort ("objc_read_types: cannot parse typespec: %s\n", type); |
88e17b57 BE |
1364 | } |
1365 | } | |
40165636 | 1366 | va_end (args); |
88e17b57 BE |
1367 | return res; |
1368 | } | |
1369 | ||
1370 | /* | |
1371 | ** Write an array of COUNT elements of TYPE from the memory address DATA. | |
1372 | ** This is equivalent of objc_write_type (stream, "[N<type>]", data) | |
1373 | */ | |
1374 | ||
1375 | int | |
40165636 RB |
1376 | objc_write_array (TypedStream *stream, const char *type, |
1377 | int count, const void *data) | |
88e17b57 BE |
1378 | { |
1379 | int off = objc_sizeof_type(type); | |
40165636 | 1380 | const char *where = data; |
88e17b57 BE |
1381 | |
1382 | while (count-- > 0) | |
1383 | { | |
1384 | objc_write_type(stream, type, where); | |
1385 | where += off; | |
1386 | } | |
1387 | return 1; | |
1388 | } | |
1389 | ||
1390 | /* | |
1391 | ** Read an array of COUNT elements of TYPE into the memory address | |
1392 | ** DATA. The memory pointed to by data is supposed to be allocated | |
1393 | ** by the callee. This is equivalent of | |
1394 | ** objc_read_type (stream, "[N<type>]", data) | |
1395 | */ | |
1396 | ||
1397 | int | |
40165636 RB |
1398 | objc_read_array (TypedStream *stream, const char *type, |
1399 | int count, void *data) | |
88e17b57 BE |
1400 | { |
1401 | int off = objc_sizeof_type(type); | |
40165636 | 1402 | char *where = (char*)data; |
88e17b57 BE |
1403 | |
1404 | while (count-- > 0) | |
1405 | { | |
1406 | objc_read_type(stream, type, where); | |
1407 | where += off; | |
1408 | } | |
1409 | return 1; | |
1410 | } | |
1411 | ||
1412 | static int | |
40165636 | 1413 | __objc_fread (FILE *file, char *data, int len) |
88e17b57 BE |
1414 | { |
1415 | return fread(data, len, 1, file); | |
1416 | } | |
1417 | ||
1418 | static int | |
40165636 | 1419 | __objc_fwrite (FILE *file, char *data, int len) |
88e17b57 BE |
1420 | { |
1421 | return fwrite(data, len, 1, file); | |
1422 | } | |
1423 | ||
1424 | static int | |
40165636 | 1425 | __objc_feof (FILE *file) |
88e17b57 BE |
1426 | { |
1427 | return feof(file); | |
1428 | } | |
1429 | ||
1430 | static int | |
40165636 RB |
1431 | __objc_no_write (FILE *file __attribute__ ((__unused__)), |
1432 | const char *data __attribute__ ((__unused__)), | |
1433 | int len __attribute__ ((__unused__))) | |
88e17b57 | 1434 | { |
7b869986 | 1435 | _objc_abort ("TypedStream not open for writing"); |
88e17b57 BE |
1436 | return 0; |
1437 | } | |
1438 | ||
1439 | static int | |
40165636 RB |
1440 | __objc_no_read (FILE *file __attribute__ ((__unused__)), |
1441 | const char *data __attribute__ ((__unused__)), | |
1442 | int len __attribute__ ((__unused__))) | |
88e17b57 | 1443 | { |
7b869986 | 1444 | _objc_abort ("TypedStream not open for reading"); |
88e17b57 BE |
1445 | return 0; |
1446 | } | |
1447 | ||
1448 | static int | |
40165636 | 1449 | __objc_read_typed_stream_signature (TypedStream *stream) |
88e17b57 BE |
1450 | { |
1451 | char buffer[80]; | |
1452 | int pos = 0; | |
1453 | do | |
40165636 | 1454 | (*stream->read) (stream->physical, buffer+pos, 1); |
88e17b57 BE |
1455 | while (buffer[pos++] != '\0') |
1456 | ; | |
1457 | sscanf (buffer, "GNU TypedStream %d", &stream->version); | |
1458 | if (stream->version != OBJC_TYPED_STREAM_VERSION) | |
7b869986 | 1459 | _objc_abort ("cannot handle TypedStream version %d", stream->version); |
88e17b57 BE |
1460 | return 1; |
1461 | } | |
1462 | ||
1463 | static int | |
40165636 | 1464 | __objc_write_typed_stream_signature (TypedStream *stream) |
88e17b57 BE |
1465 | { |
1466 | char buffer[80]; | |
1467 | sprintf(buffer, "GNU TypedStream %d", OBJC_TYPED_STREAM_VERSION); | |
1468 | stream->version = OBJC_TYPED_STREAM_VERSION; | |
40165636 | 1469 | (*stream->write) (stream->physical, buffer, strlen (buffer) + 1); |
88e17b57 BE |
1470 | return 1; |
1471 | } | |
1472 | ||
40165636 | 1473 | static void __objc_finish_write_root_object(struct objc_typed_stream *stream) |
88e17b57 | 1474 | { |
270a1283 DA |
1475 | objc_hash_delete (stream->object_table); |
1476 | stream->object_table = objc_hash_new (64, | |
1477 | (hash_func_type) objc_hash_ptr, | |
1478 | (compare_func_type) objc_compare_ptrs); | |
88e17b57 BE |
1479 | } |
1480 | ||
40165636 | 1481 | static void __objc_finish_read_root_object(struct objc_typed_stream *stream) |
88e17b57 BE |
1482 | { |
1483 | node_ptr node; | |
1484 | SEL awake_sel = sel_get_any_uid ("awake"); | |
270a1283 DA |
1485 | cache_ptr free_list = objc_hash_new (64, |
1486 | (hash_func_type) objc_hash_ptr, | |
1487 | (compare_func_type) objc_compare_ptrs); | |
88e17b57 BE |
1488 | |
1489 | /* resolve object forward references */ | |
270a1283 DA |
1490 | for (node = objc_hash_next (stream->object_refs, NULL); node; |
1491 | node = objc_hash_next (stream->object_refs, node)) | |
88e17b57 | 1492 | { |
40165636 RB |
1493 | struct objc_list *reflist = node->value; |
1494 | const void *key = node->key; | |
270a1283 | 1495 | id object = objc_hash_value_for_key (stream->object_table, key); |
40165636 | 1496 | while (reflist) |
88e17b57 | 1497 | { |
40165636 | 1498 | *((id*) reflist->head) = object; |
270a1283 DA |
1499 | if (objc_hash_value_for_key (free_list,reflist) == NULL) |
1500 | objc_hash_add (&free_list,reflist,reflist); | |
88e17b57 BE |
1501 | |
1502 | reflist = reflist->tail; | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | /* apply __objc_free to all objects stored in free_list */ | |
270a1283 DA |
1507 | for (node = objc_hash_next (free_list, NULL); node; |
1508 | node = objc_hash_next (free_list, node)) | |
88e17b57 BE |
1509 | objc_free ((void *) node->key); |
1510 | ||
270a1283 | 1511 | objc_hash_delete (free_list); |
88e17b57 BE |
1512 | |
1513 | /* empty object reference table */ | |
270a1283 DA |
1514 | objc_hash_delete (stream->object_refs); |
1515 | stream->object_refs = objc_hash_new (8, (hash_func_type) objc_hash_ptr, | |
1516 | (compare_func_type) objc_compare_ptrs); | |
88e17b57 BE |
1517 | |
1518 | /* call -awake for all objects read */ | |
1519 | if (awake_sel) | |
1520 | { | |
270a1283 DA |
1521 | for (node = objc_hash_next (stream->object_table, NULL); node; |
1522 | node = objc_hash_next (stream->object_table, node)) | |
88e17b57 BE |
1523 | { |
1524 | id object = node->value; | |
1525 | if (__objc_responds_to (object, awake_sel)) | |
40165636 | 1526 | (*objc_msg_lookup (object, awake_sel)) (object, awake_sel); |
88e17b57 BE |
1527 | } |
1528 | } | |
1529 | ||
1530 | /* empty object table */ | |
270a1283 DA |
1531 | objc_hash_delete (stream->object_table); |
1532 | stream->object_table = objc_hash_new(64, | |
1533 | (hash_func_type)objc_hash_ptr, | |
1534 | (compare_func_type)objc_compare_ptrs); | |
88e17b57 BE |
1535 | } |
1536 | ||
1537 | /* | |
1538 | ** Open the stream PHYSICAL in MODE | |
1539 | */ | |
1540 | ||
40165636 RB |
1541 | TypedStream * |
1542 | objc_open_typed_stream (FILE *physical, int mode) | |
88e17b57 | 1543 | { |
40165636 | 1544 | TypedStream *s = (TypedStream *) objc_malloc (sizeof (TypedStream)); |
88e17b57 BE |
1545 | |
1546 | s->mode = mode; | |
1547 | s->physical = physical; | |
270a1283 DA |
1548 | s->stream_table = objc_hash_new (64, |
1549 | (hash_func_type) objc_hash_ptr, | |
1550 | (compare_func_type) objc_compare_ptrs); | |
1551 | s->object_table = objc_hash_new (64, | |
1552 | (hash_func_type) objc_hash_ptr, | |
1553 | (compare_func_type) objc_compare_ptrs); | |
40165636 RB |
1554 | s->eof = (objc_typed_eof_func) __objc_feof; |
1555 | s->flush = (objc_typed_flush_func) fflush; | |
88e17b57 BE |
1556 | s->writing_root_p = 0; |
1557 | if (mode == OBJC_READONLY) | |
1558 | { | |
270a1283 DA |
1559 | s->class_table |
1560 | = objc_hash_new (8, (hash_func_type) objc_hash_string, | |
1561 | (compare_func_type) objc_compare_strings); | |
1562 | s->object_refs = objc_hash_new (8, (hash_func_type) objc_hash_ptr, | |
1563 | (compare_func_type) objc_compare_ptrs); | |
40165636 RB |
1564 | s->read = (objc_typed_read_func) __objc_fread; |
1565 | s->write = (objc_typed_write_func) __objc_no_write; | |
88e17b57 BE |
1566 | __objc_read_typed_stream_signature (s); |
1567 | } | |
1568 | else if (mode == OBJC_WRITEONLY) | |
1569 | { | |
1570 | s->class_table = 0; | |
1571 | s->object_refs = 0; | |
40165636 RB |
1572 | s->read = (objc_typed_read_func) __objc_no_read; |
1573 | s->write = (objc_typed_write_func) __objc_fwrite; | |
88e17b57 BE |
1574 | __objc_write_typed_stream_signature (s); |
1575 | } | |
1576 | else | |
1577 | { | |
1578 | objc_close_typed_stream (s); | |
1579 | return NULL; | |
1580 | } | |
1581 | s->type = OBJC_FILE_STREAM; | |
1582 | return s; | |
1583 | } | |
1584 | ||
1585 | /* | |
1586 | ** Open the file named by FILE_NAME in MODE | |
1587 | */ | |
1588 | ||
1589 | TypedStream* | |
40165636 | 1590 | objc_open_typed_stream_for_file (const char *file_name, int mode) |
88e17b57 | 1591 | { |
40165636 RB |
1592 | FILE *file = NULL; |
1593 | TypedStream *s; | |
88e17b57 BE |
1594 | |
1595 | if (mode == OBJC_READONLY) | |
1596 | file = fopen (file_name, "r"); | |
1597 | else | |
1598 | file = fopen (file_name, "w"); | |
1599 | ||
1600 | if (file) | |
1601 | { | |
1602 | s = objc_open_typed_stream (file, mode); | |
1603 | if (s) | |
1604 | s->type |= OBJC_MANAGED_STREAM; | |
1605 | return s; | |
1606 | } | |
1607 | else | |
1608 | return NULL; | |
1609 | } | |
1610 | ||
1611 | /* | |
1612 | ** Close STREAM freeing the structure it self. If it was opened with | |
1613 | ** objc_open_typed_stream_for_file, the file will also be closed. | |
1614 | */ | |
1615 | ||
1616 | void | |
40165636 | 1617 | objc_close_typed_stream (TypedStream *stream) |
88e17b57 BE |
1618 | { |
1619 | if (stream->mode == OBJC_READONLY) | |
1620 | { | |
1621 | __objc_finish_read_root_object (stream); /* Just in case... */ | |
270a1283 DA |
1622 | objc_hash_delete (stream->class_table); |
1623 | objc_hash_delete (stream->object_refs); | |
88e17b57 BE |
1624 | } |
1625 | ||
270a1283 DA |
1626 | objc_hash_delete (stream->stream_table); |
1627 | objc_hash_delete (stream->object_table); | |
88e17b57 BE |
1628 | |
1629 | if (stream->type == (OBJC_MANAGED_STREAM | OBJC_FILE_STREAM)) | |
40165636 | 1630 | fclose ((FILE *)stream->physical); |
88e17b57 BE |
1631 | |
1632 | objc_free(stream); | |
1633 | } | |
1634 | ||
1635 | BOOL | |
40165636 | 1636 | objc_end_of_typed_stream (TypedStream *stream) |
88e17b57 | 1637 | { |
40165636 | 1638 | return (*stream->eof) (stream->physical); |
88e17b57 BE |
1639 | } |
1640 | ||
1641 | void | |
40165636 | 1642 | objc_flush_typed_stream (TypedStream *stream) |
88e17b57 | 1643 | { |
40165636 | 1644 | (*stream->flush) (stream->physical); |
88e17b57 BE |
1645 | } |
1646 | ||
1647 | long | |
40165636 | 1648 | objc_get_stream_class_version (TypedStream *stream, Class class) |
88e17b57 BE |
1649 | { |
1650 | if (stream->class_table) | |
270a1283 DA |
1651 | return PTR2LONG(objc_hash_value_for_key (stream->class_table, |
1652 | class->name)); | |
88e17b57 BE |
1653 | else |
1654 | return class_get_version (class); | |
1655 | } | |
1656 |