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885824d3 | 1 | /* ;-*-C-*-; |
1b8ae690 | 2 | ** Splint - annotation-assisted static program checker |
3 | ** Copyright (C) 1994-2002 University of Virginia, | |
4 | ** Massachusetts Institute of Technology | |
885824d3 | 5 | ** |
1b8ae690 | 6 | ** This program is free software; you can redistribute it and/or modify it |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
885824d3 | 19 | ** |
1b8ae690 | 20 | ** For information on splint: splint@cs.virginia.edu |
21 | ** To report a bug: splint-bug@cs.virginia.edu | |
22 | ** For more information: http://www.splint.org | |
885824d3 | 23 | */ |
24 | /* | |
25 | ** ctbase.i | |
26 | ** | |
27 | ** NOTE: This is not a stand-alone source file, but is included in ctype.c. | |
28bf4b0b | 28 | ** (This is necessary because there is no other way in C to have a |
885824d3 | 29 | ** hidden scope, besides at the file level.) |
30 | */ | |
31 | ||
32 | /*@access cprim*/ | |
33 | ||
28bf4b0b | 34 | abst_typedef /*@null@*/ struct s_ctbase *ctbase; |
885824d3 | 35 | |
28bf4b0b | 36 | /*@private@*/ typedef struct { |
885824d3 | 37 | ctkind kind; |
28bf4b0b | 38 | ctbase ctbase; |
885824d3 | 39 | ctype base; /* type I point to (or element of array) */ |
40 | ctype ptr; /* type of pointer to me */ | |
41 | ctype array; /* type of array of me */ | |
42 | cstring unparse; /* unparse me, if memoized */ | |
43 | } *ctentry ; | |
44 | ||
45 | typedef /*@only@*/ ctentry o_ctentry; | |
46 | ||
28bf4b0b | 47 | typedef struct { |
885824d3 | 48 | int size; |
49 | int nspace; | |
50 | /*@relnull@*/ /*@only@*/ o_ctentry *entries; | |
51 | /* memoize matches...maybe in context? */ | |
52 | } cttable ; | |
53 | ||
54 | extern bool ctentry_isBogus (/*@sef@*/ ctentry p_c) /*@*/; | |
55 | # define ctentry_isBogus(c) \ | |
56 | ((c)->kind == CTK_INVALID || (c)->kind == CTK_DNE) | |
57 | ||
58 | static cttable cttab = { 0, 0, NULL }; | |
59 | ||
60 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createAbstract (typeId p_u); | |
61 | static /*@observer@*/ cstring ctentry_doUnparse (ctentry p_c) /*@modifies p_c@*/; | |
62 | static /*@only@*/ ctentry | |
63 | ctentry_make (ctkind p_ctk, /*@keep@*/ ctbase p_c, ctype p_base, | |
64 | ctype p_ptr, ctype p_array, /*@keep@*/ cstring p_unparse); | |
65 | static /*@only@*/ ctentry ctentry_makeNew (ctkind p_ctk, /*@only@*/ ctbase p_c); | |
66 | static /*@only@*/ cstring ctentry_unparse (ctentry p_c) /*@*/ ; | |
67 | ||
68 | static void cttable_grow (void); | |
69 | static ctype cttable_addDerived (ctkind p_ctk, /*@keep@*/ ctbase p_cnew, ctype p_base); | |
70 | static ctype cttable_addFull (/*@keep@*/ ctentry p_cnew); | |
71 | static bool ctentry_isInteresting (ctentry p_c) /*@*/; | |
37ae0b5e | 72 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_makeFixedArray (ctype p_b, size_t p_size) /*@*/ ; |
d5047b91 | 73 | static bool ctbase_isAnytype (/*@notnull@*/ ctbase p_b) /*@*/ ; |
885824d3 | 74 | |
495af944 | 75 | cstring ctbase_unparseFunctionPointer (ctbase c, /*@only@*/ cstring name) /*@*/ ; |
885824d3 | 76 | /* |
77 | ** These are file-static macros (used in ctype.c). No way to | |
78 | ** declare them as static in C. | |
79 | */ | |
80 | ||
81 | /*@-allmacros@*/ /*@-macrospec@*/ /*@-namechecks@*/ | |
82 | # define ctentry_getBase(c) ((c)->base) | |
83 | # define ctentry_getKind(c) ((c)->kind) | |
84 | # define ctentry_getArray(c) ((c)->array) | |
85 | # define ctentry_getPtr(c) ((c)->ptr) | |
86 | # define ctentry_isArray(c) ((c)->kind == CTK_ARRAY) | |
87 | # define ctentry_isComplex(c) ((c)->kind == CTK_COMPLEX) | |
88 | # define ctentry_isPlain(c) ((c)->kind == CTK_PLAIN) | |
89 | # define ctentry_isPointer(c) ((c)->kind == CTK_PTR) | |
90 | # define ctentry_setArray(c,b) ((c)->array = (b)) | |
91 | # define ctentry_setPtr(c,b) ((c)->ptr = (b)) | |
92 | ||
93 | # define ctbase_fixUser(c) (c = ctbase_realType(c)) | |
495af944 | 94 | |
95 | /*drl added 04/14/2002 */ | |
96 | # define ctentry_getCtbase(c) ((c)->ctbase) | |
885824d3 | 97 | /*@=allmacros@*/ /*@=macrospec@*/ /*@=namechecks@*/ |
98 | ||
99 | static ctype cttable_addComplex (/*@notnull@*/ /*@only@*/ ctbase p_cnew); | |
100 | static /*@observer@*/ ctbase ctype_getCtbase (ctype p_c) /*@*/ ; | |
101 | static ctype ctype_makeConjAux (ctype p_c1, ctype p_c2, bool p_isExplicit) /*@*/ ; | |
102 | static /*@notnull@*/ /*@observer@*/ ctbase ctype_getCtbaseSafe (ctype p_c) /*@*/ ; | |
103 | static /*@observer@*/ ctentry ctype_getCtentry (ctype p_c) /*@*/ ; | |
104 | static /*@observer@*/ /*@notnull@*/ ctbase | |
105 | ctbase_realType (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
106 | static bool ctbase_isPointer (/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
107 | static bool ctbase_isEitherArray (/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
108 | static /*@observer@*/ enumNameList ctbase_elist (ctbase p_c) /*@*/ ; | |
109 | static /*@only@*/ cstring ctbase_unparse (ctbase p_c) /*@*/ ; | |
110 | static /*@only@*/ cstring ctbase_unparseDeep (ctbase p_c) /*@*/ ; | |
111 | static /*@only@*/ /*@notnull@*/ ctbase ctbase_copy (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
112 | static void ctbase_free (/*@only@*/ ctbase p_c); | |
113 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createPrim (cprim p_p) /*@*/ ; | |
114 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createBool (void) /*@*/ ; | |
115 | static /*@notnull@*/ /*@observer@*/ ctbase ctbase_getBool (void) /*@*/ ; | |
116 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createUser (typeId p_u) /*@*/ ; | |
117 | ||
118 | static /*@notnull@*/ /*@only@*/ ctbase | |
119 | ctbase_createStruct (/*@only@*/ cstring p_n, /*@only@*/ uentryList p_f); | |
120 | ||
121 | static /*@notnull@*/ /*@only@*/ ctbase | |
122 | ctbase_createUnion (/*@keep@*/ cstring p_n, /*@only@*/ uentryList p_f); | |
123 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createEnum (/*@keep@*/ cstring p_etag, /*@keep@*/ enumNameList p_emembers); | |
124 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createUnknown (void); | |
125 | static bool ctbase_match (ctbase p_c1, ctbase p_c2) /*@modifies nothing@*/; | |
126 | static bool ctbase_matchDef (ctbase p_c1, ctbase p_c2) /*@modifies nothing@*/; | |
a0a162cd | 127 | static bool ctbase_genMatch (ctbase p_c1, ctbase p_c2, bool p_force, bool p_arg, bool p_def, bool p_deep); |
885824d3 | 128 | static bool ctbase_isAbstract (/*@notnull@*/ ctbase p_c) /*@*/ ; |
129 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_makePointer (ctype p_b) /*@*/ ; | |
130 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_makeArray (ctype p_b) /*@*/ ; | |
131 | static /*@notnull@*/ ctype | |
132 | ctbase_makeFunction (ctype p_b, /*@only@*/ uentryList p_p) /*@*/ ; | |
885824d3 | 133 | static /*@notnull@*/ /*@observer@*/ ctbase |
134 | ctbase_realFunction (/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
135 | static ctype ctbase_baseArrayPtr (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
136 | static ctype ctbase_baseFunction (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
137 | static /*@observer@*/ uentryList ctbase_argsFunction (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
138 | static /*@observer@*/ uentryList ctbase_getuentryList (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
139 | static ctype ctbase_newBase (ctype p_c, ctype p_p) /*@*/ ; | |
140 | static ctype ctbase_newBaseExpFcn (ctype p_c, ctype p_p) /*@*/ ; | |
141 | static bool ctbase_isFixedArray (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
142 | ||
143 | /*@-macroundef@*/ | |
144 | extern int cttable_lastIndex(); | |
145 | # define cttable_lastIndex() (cttab.size - 1) | |
146 | /*@=macroundef@*/ | |
147 | ||
28bf4b0b | 148 | typedef struct |
885824d3 | 149 | { |
150 | ctype rval; | |
28bf4b0b | 151 | /*@only@*/ uentryList params; |
885824d3 | 152 | } *cfcn; |
153 | ||
28bf4b0b | 154 | typedef struct |
885824d3 | 155 | { |
156 | cstring name; | |
157 | uentryList fields; | |
158 | } *tsu; | |
159 | ||
28bf4b0b | 160 | typedef struct |
885824d3 | 161 | { |
162 | ctype a; | |
163 | ctype b; | |
164 | bool isExplicit; | |
165 | } *tconj; | |
166 | ||
28bf4b0b | 167 | typedef struct |
885824d3 | 168 | { |
169 | cstring tag; | |
170 | enumNameList members; | |
171 | } *tenum; | |
172 | ||
28bf4b0b | 173 | typedef struct |
885824d3 | 174 | { |
175 | ctype base; | |
37ae0b5e | 176 | size_t size; |
885824d3 | 177 | } *tfixed; |
178 | ||
28bf4b0b | 179 | typedef union |
885824d3 | 180 | { |
181 | cprim prim; /* primitive */ | |
182 | typeId tid; /* abstract, user */ | |
183 | ctype base; /* ptr, array */ | |
184 | cfcn fcn; /* function */ | |
185 | tsu su; /* struct union */ | |
186 | tenum cenum; /* enum */ | |
187 | tconj conj; /* conj */ | |
188 | tfixed farray; /* fixed array */ | |
189 | } uconts; | |
190 | ||
28bf4b0b | 191 | struct s_ctbase |
885824d3 | 192 | { |
193 | ctuid type; | |
194 | uconts contents; | |
195 | } ; | |
196 | ||
197 | static /*@falsenull@*/ bool ctbase_isUA (ctbase p_c) /*@*/ ; | |
198 | static bool ctbase_isBaseUA(ctbase p_c) /*@*/ ; | |
199 | static typeId ctbase_typeBaseUid(ctbase p_c) /*@*/ ; | |
200 | static bool ctbase_isKind (/*@notnull@*/ ctbase p_c, ctuid p_kind) /*@*/ ; | |
201 | static bool ctbase_isKind2 (/*@notnull@*/ ctbase p_c, ctuid p_kind1, ctuid p_kind2) /*@*/ ; | |
202 | static /*@only@*/ /*@notnull@*/ ctbase | |
203 | ctbase_getBaseType (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
204 | ||
205 | static /*@falsenull@*/ bool ctbase_isFunction(ctbase p_c) /*@*/ ; | |
206 | ||
207 | /*@constant null ctbase ctbase_undefined; @*/ | |
208 | # define ctbase_undefined ((ctbase)0) | |
209 | ||
210 | static /*@owned@*/ ctbase ctbase_bool = ctbase_undefined; | |
211 | static /*@owned@*/ ctbase ctbase_unknown = ctbase_undefined; | |
212 | ||
213 | static /*@falsenull@*/ bool ctbase_isDefined (ctbase c) /*@*/ | |
214 | { | |
215 | return ((c) != ctbase_undefined); | |
216 | } | |
217 | ||
218 | static /*@truenull@*/ bool ctbase_isUndefined (ctbase c) | |
219 | { | |
220 | return ((c) == ctbase_undefined); | |
221 | } | |
222 | ||
223 | static ctkind ctype_getCtKind (ctype c) | |
224 | { | |
225 | ctentry ce = ctype_getCtentry (c); | |
226 | ||
227 | return ctentry_getKind (ce); | |
228 | } | |
229 | ||
230 | static bool ctbase_isUser (ctbase c) | |
231 | { | |
232 | if (ctbase_isDefined (c)) | |
233 | { | |
234 | return (ctbase_isKind (c, CT_USER)); | |
235 | } | |
236 | else | |
237 | { | |
238 | return FALSE; | |
239 | } | |
240 | } | |
241 | ||
242 | static bool ctbase_isEnum (ctbase c) | |
243 | { | |
244 | if (ctbase_isDefined (c)) | |
245 | { | |
246 | return (ctbase_isKind (c, CT_ENUM)); | |
247 | } | |
248 | else | |
249 | { | |
250 | return FALSE; | |
251 | } | |
252 | } | |
253 | ||
254 | static bool ctbase_isExpFcn (ctbase c) | |
255 | { | |
256 | if (ctbase_isDefined (c)) | |
257 | { | |
258 | return (c->type == CT_EXPFCN); | |
259 | } | |
260 | else | |
261 | { | |
262 | return FALSE; | |
263 | } | |
264 | } | |
265 | ||
266 | static /*@falsenull@*/ bool ctbase_isConj (ctbase c) | |
267 | { | |
268 | if (ctbase_isDefined (c)) | |
269 | { | |
270 | return (c->type == CT_CONJ); | |
271 | } | |
272 | else | |
273 | { | |
274 | return FALSE; | |
275 | } | |
276 | } | |
277 | ||
278 | static bool ctuid_isAP (ctuid c) /*@*/ | |
279 | { | |
280 | return (c == CT_ARRAY || c == CT_PTR); | |
281 | } | |
282 | ||
283 | static typeId ctbase_typeId (ctbase p_c); | |
284 | static /*@only@*/ cstring ctbase_dump (ctbase p_c); | |
86d93ed3 | 285 | static /*@only@*/ ctbase ctbase_undump (char **p_c) /*@requires maxRead(*p_c) >= 2 @*/; |
885824d3 | 286 | static int ctbase_compare (ctbase p_c1, ctbase p_c2, bool p_strict); |
287 | static bool ctbase_matchArg (ctbase p_c1, ctbase p_c2); | |
288 | static /*@notnull@*/ /*@only@*/ ctbase | |
289 | ctbase_makeConj (ctype p_c1, ctype p_c2, bool p_isExplicit) /*@*/ ; | |
290 | static ctype ctbase_getConjA (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
291 | static ctype ctbase_getConjB (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
292 | static bool ctbase_isExplicitConj (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
a0a162cd | 293 | static bool ctbase_forceMatch (ctbase p_c1, ctbase p_c2) /*@modifies p_c1, p_c2@*/ ; |
885824d3 | 294 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_expectFunction (ctype p_c); |
295 | static bool ctbase_isVoidPointer(/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
28bf4b0b | 296 | static bool ctbase_isUnion (/*@notnull@*/ /*@temp@*/ ctbase p_c) /*@*/ ; |
297 | static bool ctbase_isStruct (/*@notnull@*/ /*@temp@*/ ctbase p_c) /*@*/ ; | |
885824d3 | 298 | static /*@observer@*/ cstring ctbase_enumTag (/*@notnull@*/ ctbase p_ct) /*@*/ ; |
299 | static /*@only@*/ cstring ctbase_unparseNotypes (ctbase p_c) /*@*/ ; | |
300 | ||
301 | static /*@out@*/ /*@notnull@*/ /*@only@*/ ctbase ctbase_new (void) /*@*/ ; | |
302 | static int nctbases = 0; | |
303 | ||
304 | static /*@notnull@*/ /*@only@*/ | |
28bf4b0b | 305 | ctbase ctbase_makeLiveFunction (ctype p_b, /*@only@*/ uentryList p_p); |
306 | ||
307 | static bool ctbase_isUnnamedSU (ctbase c) | |
308 | { | |
309 | return (ctbase_isDefined (c) | |
310 | && (ctbase_isStruct (c) || ctbase_isUnion (c)) | |
311 | && isFakeTag (c->contents.su->name)); | |
312 | } | |
885824d3 | 313 | |
314 | static /*@observer@*/ ctbase ctbase_realType (ctbase c) | |
315 | { | |
316 | if (ctbase_isUA (c)) | |
317 | { | |
318 | typeId uid = ctbase_typeId (c); | |
319 | ||
320 | if (usymtab_isBoolType (uid)) | |
321 | { | |
322 | return ctbase_getBool (); | |
323 | } | |
324 | else | |
325 | { | |
326 | ctbase ret = ctype_getCtbase | |
327 | (uentry_getRealType (usymtab_getTypeEntry (ctbase_typeId (c)))); | |
328 | ||
329 | llassert (ret != ctbase_undefined); | |
330 | return ret; | |
331 | } | |
332 | } | |
333 | else | |
334 | { | |
335 | return c; | |
336 | } | |
337 | } | |
338 | ||
339 | static bool | |
340 | ctbase_isVoidPointer (/*@dependent@*/ /*@notnull@*/ ctbase c) | |
341 | { | |
342 | ctbase r = ctbase_realType (c); | |
343 | ||
344 | return (ctbase_isKind (r, CT_PTR) && | |
345 | ctype_isVoid (r->contents.base)); | |
346 | } | |
347 | ||
348 | static bool | |
349 | ctbase_isPointer (/*@notnull@*/ /*@dependent@*/ ctbase c) | |
350 | { | |
351 | ctbase r = ctbase_realType (c); | |
352 | ||
353 | return (ctbase_isKind (r, CT_PTR)); | |
354 | } | |
355 | ||
356 | static bool | |
357 | ctbase_isEitherArray (/*@notnull@*/ ctbase c) | |
358 | { | |
359 | ctbase r = ctbase_realType (c); | |
360 | ||
361 | return (ctbase_isKind (r, CT_ARRAY) | |
362 | || ctbase_isKind (r, CT_FIXEDARRAY)); | |
363 | } | |
364 | ||
365 | static bool | |
366 | ctbase_isFixedArray (/*@notnull@*/ ctbase c) | |
367 | { | |
368 | ctbase r = ctbase_realType (c); | |
369 | ||
370 | return (ctbase_isKind (r, CT_FIXEDARRAY)); | |
371 | } | |
372 | ||
373 | static bool | |
374 | ctbase_isStruct (/*@notnull@*/ ctbase c) | |
375 | { | |
376 | ctbase r = ctbase_realType (c); | |
377 | ||
378 | return (ctbase_isKind (r, CT_STRUCT)); | |
379 | } | |
380 | ||
381 | static bool | |
28bf4b0b | 382 | ctbase_isUnion (/*@notnull@*/ ctbase c) |
885824d3 | 383 | { |
384 | ctbase r = ctbase_realType (c); | |
385 | ||
386 | return (ctbase_isKind (r, CT_UNION)); | |
387 | } | |
388 | ||
389 | /* | |
390 | ** clean this up -> typeTable should store ctype | |
391 | */ | |
392 | ||
393 | static typeId | |
394 | ctbase_typeBaseUid (ctbase c) | |
395 | { | |
396 | ctuid ct; | |
397 | ||
398 | if (ctbase_isDefined (c)) | |
399 | { | |
400 | ct = c->type; | |
401 | ||
402 | if (ctuid_isAP (ct)) | |
403 | { | |
404 | return ctbase_typeBaseUid (ctype_getCtbase (c->contents.base)); | |
405 | } | |
406 | else if (ct == CT_USER || ct == CT_ABST) | |
407 | { | |
408 | return c->contents.tid; | |
409 | } | |
410 | else if (ct == CT_FIXEDARRAY) | |
411 | { | |
412 | return ctbase_typeBaseUid (ctype_getCtbase (c->contents.farray->base)); | |
413 | } | |
414 | else | |
415 | { | |
416 | llcontbuglit ("ctbase_typeBaseUid: bad call"); | |
417 | return typeId_invalid; | |
418 | } | |
419 | } | |
420 | return typeId_invalid; | |
421 | } | |
422 | ||
423 | static bool | |
424 | ctbase_isBaseUA (ctbase c) | |
425 | { | |
426 | ctuid ct; | |
427 | ||
428 | if (ctbase_isDefined (c)) | |
429 | { | |
430 | ct = c->type; | |
431 | ||
432 | if (ctuid_isAP (ct)) | |
433 | { | |
434 | return ctbase_isBaseUA (ctype_getCtbase (c->contents.base)); | |
435 | } | |
436 | else if (ct == CT_FIXEDARRAY) | |
437 | { | |
438 | return ctbase_isBaseUA (ctype_getCtbase (c->contents.farray->base)); | |
439 | } | |
440 | else | |
441 | return (ct == CT_USER || ct == CT_ABST); | |
442 | } | |
443 | return FALSE; | |
444 | } | |
445 | ||
446 | static typeId | |
447 | ctbase_typeId (ctbase c) | |
448 | { | |
449 | if (ctbase_isUA (c)) | |
450 | { | |
451 | return c->contents.tid; | |
452 | } | |
453 | else | |
454 | { | |
28bf4b0b | 455 | if (ctbase_isConj (c)) |
456 | { | |
457 | return ctbase_typeId (ctype_getCtbase (ctbase_getConjA (c))); | |
458 | } | |
459 | else | |
460 | { | |
461 | llcontbug (message ("ctbase_typeId: bad call: %q", ctbase_unparse (c))); | |
462 | return typeId_invalid; | |
463 | } | |
885824d3 | 464 | } |
465 | } | |
466 | ||
467 | static /*@only@*/ cstring | |
468 | ctbase_unparse (ctbase c) | |
469 | { | |
470 | if (ctbase_isUndefined (c)) { | |
471 | return cstring_makeLiteral ("<<undef>>"); | |
472 | } | |
473 | ||
474 | switch (c->type) | |
475 | { | |
476 | case CT_UNKNOWN: | |
477 | return cstring_makeLiteral ("?"); | |
478 | case CT_BOOL: | |
479 | return cstring_copy (context_printBoolName ()); | |
480 | case CT_PRIM: | |
481 | return (cprim_unparse (c->contents.prim)); | |
482 | case CT_USER: | |
483 | return (usymtab_getTypeEntryName (c->contents.tid)); | |
484 | case CT_ABST: | |
485 | return (usymtab_getTypeEntryName (c->contents.tid)); | |
486 | case CT_EXPFCN: | |
487 | return (message ("<expf: %t>", c->contents.base)); | |
488 | case CT_PTR: | |
489 | /* no spaces for multiple pointers */ | |
490 | ||
491 | if (ctype_isPointer (c->contents.base)) | |
492 | { | |
493 | return (cstring_appendChar (cstring_copy (ctype_unparse (c->contents.base)), '*')); | |
494 | } | |
495 | else | |
496 | { | |
497 | return (message ("%t *", c->contents.base)); | |
498 | } | |
499 | case CT_FIXEDARRAY: | |
495af944 | 500 | if (ctype_isFixedArray ( c->contents.farray->base ) &&(willOutputCode) ) |
501 | ||
502 | { | |
503 | cstring tmp, tmp2, ret; | |
504 | ||
505 | tmp = ctype_unparse( c->contents.farray->base); | |
506 | tmp2 = cstring_beforeChar(tmp, '['); | |
507 | ||
508 | ret = message("%q [%d] %s ", | |
509 | tmp2, | |
510 | c->contents.farray->size, | |
511 | cstring_afterChar(tmp, '[') | |
512 | ); | |
513 | return ret; | |
514 | } | |
515 | ||
516 | else | |
517 | { | |
518 | return (message ("%t [%d]", | |
519 | c->contents.farray->base, | |
520 | (int) c->contents.farray->size)); | |
521 | } | |
522 | ||
885824d3 | 523 | case CT_ARRAY: |
524 | return (message ("%t []", c->contents.base)); | |
525 | case CT_FCN: | |
526 | return (message ("[function (%q) returns %t]", | |
527 | uentryList_unparseParams (c->contents.fcn->params), | |
528 | c->contents.fcn->rval)); | |
529 | case CT_STRUCT: | |
530 | if (cstring_isDefined (c->contents.su->name) && | |
531 | !cstring_isEmpty (c->contents.su->name) && | |
532 | !isFakeTag (c->contents.su->name)) | |
533 | { | |
534 | return (message ("struct %s", c->contents.su->name)); | |
535 | } | |
536 | else | |
537 | { | |
28bf4b0b | 538 | return (message ("struct { %q }", |
495af944 | 539 | uentryList_unparse (c->contents.su->fields))); |
885824d3 | 540 | } |
541 | case CT_UNION: | |
542 | if (cstring_isDefined (c->contents.su->name) && | |
543 | !cstring_isEmpty (c->contents.su->name) && | |
544 | !isFakeTag (c->contents.su->name)) | |
545 | { | |
546 | return (message ("union %s", c->contents.su->name)); | |
547 | } | |
548 | else | |
549 | { | |
550 | return (message ("union { %q }", | |
551 | uentryList_unparseAbbrev (c->contents.su->fields))); | |
552 | } | |
553 | case CT_ENUM: | |
554 | if (isFakeTag (c->contents.cenum->tag)) | |
555 | { | |
556 | return (message ("enum { %q }", | |
557 | enumNameList_unparseBrief (c->contents.cenum->members))); | |
558 | } | |
559 | else | |
560 | { | |
561 | return (message ("enum %s { %q }", | |
562 | c->contents.cenum->tag, | |
563 | enumNameList_unparseBrief (c->contents.cenum->members))); | |
564 | } | |
565 | case CT_CONJ: | |
d5047b91 | 566 | if (ctbase_isAnytype (c)) |
567 | { | |
568 | return (cstring_makeLiteral ("<any>")); | |
569 | } | |
570 | else if (c->contents.conj->isExplicit || context_getFlag (FLG_SHOWALLCONJS)) | |
885824d3 | 571 | { |
572 | if (!ctype_isSimple (c->contents.conj->a) || | |
573 | !ctype_isSimple (c->contents.conj->b)) | |
574 | { | |
575 | return (message ("<%t> | <%t>", c->contents.conj->a, c->contents.conj->b)); | |
576 | } | |
577 | else | |
578 | { | |
579 | return (message ("%t | %t", c->contents.conj->a, c->contents.conj->b)); | |
580 | } | |
581 | } | |
582 | else | |
583 | { | |
584 | return (cstring_copy (ctype_unparse (c->contents.conj->a))); | |
585 | } | |
586 | BADDEFAULT; | |
587 | } | |
588 | BADEXIT; | |
589 | } | |
590 | ||
591 | static /*@only@*/ cstring | |
592 | ctbase_unparseDeep (ctbase c) | |
593 | { | |
594 | if (ctbase_isUndefined (c)) | |
595 | { | |
596 | return cstring_makeLiteral ("<<undef>>"); | |
597 | } | |
598 | ||
599 | switch (c->type) | |
600 | { | |
601 | case CT_UNKNOWN: | |
602 | return cstring_makeLiteral ("?"); | |
603 | case CT_BOOL: | |
604 | return cstring_copy (context_printBoolName ()); | |
605 | case CT_PRIM: | |
606 | return (cprim_unparse (c->contents.prim)); | |
607 | case CT_ENUM: | |
608 | if (cstring_isNonEmpty (c->contents.cenum->tag)) | |
609 | { | |
610 | return (message ("enum %s { %q }", | |
611 | c->contents.cenum->tag, | |
612 | enumNameList_unparse (c->contents.cenum->members))); | |
613 | } | |
614 | else | |
615 | { | |
616 | return (message ("enum { %q }", | |
617 | enumNameList_unparse (c->contents.cenum->members))); | |
618 | } | |
619 | case CT_USER: | |
620 | return (usymtab_getTypeEntryName (c->contents.tid)); | |
621 | case CT_ABST: | |
622 | return (usymtab_getTypeEntryName (c->contents.tid)); | |
623 | case CT_EXPFCN: | |
624 | return (message ("<expf: %t>", c->contents.base)); | |
625 | case CT_PTR: | |
626 | return (message ("%t *", c->contents.base)); | |
627 | case CT_FIXEDARRAY: | |
628 | return (message ("%t [%d]", c->contents.farray->base, | |
629 | (int) c->contents.farray->size)); | |
630 | case CT_ARRAY: | |
631 | return (message ("%t []", c->contents.base)); | |
632 | case CT_FCN: | |
633 | return (message ("[function (%q) returns %t]", | |
634 | uentryList_unparse (c->contents.fcn->params), | |
635 | c->contents.fcn->rval)); | |
636 | case CT_STRUCT: | |
495af944 | 637 | if (context_getFlag(FLG_GENERATECODE) ) |
638 | { | |
639 | DPRINTF( (message("struct %s { %s }", c->contents.su->name, uentryList_unparse(c->contents.su->fields) ) )); | |
640 | } | |
885824d3 | 641 | return (message ("struct %s { ... } ", c->contents.su->name)); |
642 | case CT_UNION: | |
643 | return (message ("union %s { ... }", c->contents.su->name)); | |
644 | case CT_CONJ: | |
d5047b91 | 645 | if (ctbase_isAnytype (c)) |
646 | { | |
647 | return (cstring_makeLiteral ("<any>")); | |
648 | } | |
649 | else | |
650 | { | |
651 | return (message ("%t", c->contents.conj->a)); | |
652 | } | |
885824d3 | 653 | BADDEFAULT; |
654 | } | |
655 | BADEXIT; | |
656 | } | |
657 | ||
658 | static /*@only@*/ cstring | |
659 | ctbase_unparseNotypes (ctbase c) | |
660 | { | |
661 | llassert (ctbase_isDefined (c)); | |
662 | ||
663 | switch (c->type) | |
664 | { | |
665 | case CT_UNKNOWN: | |
666 | return cstring_makeLiteral ("?"); | |
667 | case CT_BOOL: | |
668 | return cstring_copy (context_printBoolName ()); | |
669 | case CT_PRIM: | |
670 | return (cprim_unparse (c->contents.prim)); | |
671 | case CT_ENUM: | |
672 | if (typeId_isInvalid (c->contents.tid)) | |
673 | { | |
674 | return cstring_makeLiteral ("enum"); | |
675 | } | |
676 | else | |
677 | { | |
678 | return (message ("T#%d", c->contents.tid)); | |
679 | } | |
680 | case CT_USER: | |
681 | return (message ("uT#%d", c->contents.tid)); | |
682 | case CT_ABST: | |
683 | return (message ("aT#%d", c->contents.tid)); | |
684 | case CT_EXPFCN: | |
685 | return (message ("<expf: %q >", ctbase_unparseNotypes (ctype_getCtbase (c->contents.base)))); | |
686 | case CT_PTR: | |
687 | return (message ("%q *", ctbase_unparseNotypes (ctype_getCtbase (c->contents.base)))); | |
688 | case CT_ARRAY: | |
689 | return (message ("%q []", ctbase_unparseNotypes (ctype_getCtbase (c->contents.base)))); | |
690 | case CT_FCN: | |
691 | return (message ("[function (%d) returns %q]", uentryList_size (c->contents.fcn->params), | |
692 | ctbase_unparseNotypes (ctype_getCtbase (c->contents.fcn->rval)))); | |
693 | case CT_STRUCT: | |
694 | return (message ("struct %s", c->contents.su->name)); | |
695 | case CT_UNION: | |
696 | return (message ("union %s", c->contents.su->name)); | |
697 | case CT_ENUMLIST: | |
698 | return (message ("[enumlist]")); | |
699 | case CT_CONJ: | |
d5047b91 | 700 | if (ctbase_isAnytype (c)) |
701 | { | |
702 | return (cstring_makeLiteral ("<any>")); | |
703 | } | |
704 | else | |
705 | { | |
706 | return (message ("%q/%q", | |
707 | ctbase_unparseNotypes (ctype_getCtbase (c->contents.conj->a)), | |
708 | ctbase_unparseNotypes (ctype_getCtbase (c->contents.conj->b)))); | |
709 | } | |
885824d3 | 710 | BADDEFAULT; |
711 | } | |
712 | BADEXIT; | |
713 | } | |
714 | ||
715 | static /*@only@*/ cstring | |
716 | ctbase_unparseDeclaration (ctbase c, /*@only@*/ cstring name) /*@*/ | |
717 | { | |
718 | if (ctbase_isUndefined (c)) | |
719 | { | |
720 | return name; | |
721 | } | |
722 | ||
723 | switch (c->type) | |
724 | { | |
725 | case CT_UNKNOWN: | |
726 | return (message ("? %q", name)); | |
727 | case CT_BOOL: | |
728 | return (message ("%s %q", context_printBoolName (), name)); | |
729 | case CT_PRIM: | |
730 | return (message ("%q %q", cprim_unparse (c->contents.prim), name)); | |
731 | case CT_USER: | |
732 | case CT_ABST: | |
733 | return (message ("%q %q", usymtab_getTypeEntryName (c->contents.tid), name)); | |
734 | case CT_EXPFCN: | |
735 | llcontbuglit ("ctbase_unparseDeclaration: expfcn"); | |
736 | return name; | |
737 | case CT_PTR: | |
738 | if (ctype_isFunction (c->contents.base)) | |
739 | { | |
495af944 | 740 | return ctbase_unparseFunctionPointer (ctype_getCtbase (c->contents.base), name); |
885824d3 | 741 | } |
742 | else | |
743 | { | |
744 | cstring s = cstring_prependChar ('*', name); | |
745 | cstring ret = ctbase_unparseDeclaration (ctype_getCtbase (c->contents.base), s); | |
746 | cstring_free (name); | |
747 | return (ret); | |
748 | } | |
749 | case CT_FIXEDARRAY: | |
750 | return (message ("%q[%d]", | |
751 | ctbase_unparseDeclaration (ctype_getCtbase (c->contents.farray->base), name), | |
752 | (int) c->contents.farray->size)); | |
753 | case CT_ARRAY: | |
754 | return (message ("%q[]", | |
755 | ctbase_unparseDeclaration (ctype_getCtbase (c->contents.base), name))); | |
756 | case CT_FCN: | |
757 | { | |
758 | cstring s = message ("%q(%q)", name, | |
759 | uentryList_unparseParams (c->contents.fcn->params)); | |
760 | ||
761 | return (ctbase_unparseDeclaration | |
762 | (ctype_getCtbase (c->contents.fcn->rval), s)); | |
763 | } | |
764 | case CT_STRUCT: | |
765 | if (cstring_isDefined (c->contents.su->name) && | |
766 | !cstring_isEmpty (c->contents.su->name) && | |
767 | !isFakeTag (c->contents.su->name)) | |
768 | { | |
769 | return (message ("struct %s %q", c->contents.su->name, name)); | |
770 | } | |
771 | else | |
772 | { | |
773 | return (message ("struct { %q } %q", | |
774 | uentryList_unparseAbbrev (c->contents.su->fields), | |
775 | name)); | |
776 | } | |
777 | case CT_UNION: | |
778 | if (cstring_isDefined (c->contents.su->name) && | |
779 | !cstring_isEmpty (c->contents.su->name) && | |
780 | !isFakeTag (c->contents.su->name)) | |
781 | { | |
782 | return (message ("union %s %q", c->contents.su->name, name)); | |
783 | } | |
784 | else | |
785 | { | |
786 | return (message ("union { %q } %q", | |
787 | uentryList_unparseAbbrev (c->contents.su->fields), | |
788 | name)); | |
789 | } | |
790 | case CT_ENUM: | |
791 | if (isFakeTag (c->contents.cenum->tag)) | |
792 | { | |
793 | return (message ("enum { %q } %q", | |
794 | enumNameList_unparseBrief (c->contents.cenum->members), | |
795 | name)); | |
796 | } | |
797 | else | |
798 | { | |
799 | return (message ("enum %s { %q } %q", | |
800 | c->contents.cenum->tag, | |
801 | enumNameList_unparseBrief (c->contents.cenum->members), | |
802 | name)); | |
803 | } | |
d5047b91 | 804 | case CT_CONJ: |
805 | if (ctbase_isAnytype (c)) | |
806 | { | |
807 | return (message ("<any> %q", name)); | |
808 | } | |
809 | else if (c->contents.conj->isExplicit || context_getFlag (FLG_SHOWALLCONJS)) | |
885824d3 | 810 | { |
811 | if (!ctype_isSimple (c->contents.conj->a) || | |
812 | !ctype_isSimple (c->contents.conj->b)) | |
813 | { | |
814 | cstring name1 = cstring_copy (name); | |
815 | ||
816 | return | |
817 | (message | |
818 | ("<%q> | <%q>", | |
819 | ctbase_unparseDeclaration | |
820 | (ctype_getCtbase (c->contents.conj->a), name1), | |
821 | ctbase_unparseDeclaration | |
822 | (ctype_getCtbase (c->contents.conj->b), name))); | |
823 | } | |
824 | else | |
825 | { | |
826 | cstring s1 = ctbase_unparseDeclaration (ctype_getCtbase (c->contents.conj->a), | |
827 | cstring_copy (name)); | |
828 | return | |
829 | (message ("%q | %q", s1, | |
830 | ctbase_unparseDeclaration (ctype_getCtbase (c->contents.conj->b), | |
831 | name))); | |
832 | } | |
833 | } | |
834 | else | |
835 | { | |
836 | cstring_free (name); | |
837 | return (cstring_copy (ctype_unparse (c->contents.conj->a))); | |
838 | } | |
839 | BADDEFAULT; | |
840 | } | |
841 | BADEXIT; | |
842 | } | |
843 | ||
495af944 | 844 | |
845 | ||
846 | /*drl added 04/22/2002*/ | |
847 | /*@only@*/ cstring | |
848 | ctbase_doUnparseFunctionPointer (ctbase c, /*@only@*/ cstring name, cstring quals) /*@*/ | |
849 | { | |
850 | cstring s; | |
851 | ||
852 | if (ctbase_isUndefined (c)) | |
853 | { | |
854 | return name; | |
855 | } | |
856 | ||
857 | if (c->type == CT_FCN) | |
858 | { | |
859 | s = message ("%s (*%q)(%q)", quals, name, | |
860 | uentryList_unparseParamsComplete (c->contents.fcn->params)); | |
861 | ||
862 | return (ctbase_unparseDeclaration | |
863 | (ctype_getCtbase (c->contents.fcn->rval), s)); | |
864 | } | |
865 | else | |
866 | { | |
867 | llassert (c->type == CT_PTR); | |
868 | llassert(FALSE); | |
869 | // s = message("%q", ctype_unparseFunction ( c->contents.base, name) ); | |
870 | ||
871 | s = message("%q", ctbase_unparse /*Declaration*/ (c) /* name)*/ ); | |
872 | return s; | |
873 | ||
874 | } | |
875 | } | |
876 | ||
877 | ||
878 | /*drl added 04/22/2002*/ | |
879 | /*@only@*/ cstring | |
880 | ctbase_unparseFunctionPointer (ctbase c, /*@only@*/ cstring name) /*@*/ | |
881 | { | |
882 | cstring s; | |
883 | ||
884 | if (ctbase_isUndefined (c)) | |
885 | { | |
886 | return name; | |
887 | } | |
888 | ||
889 | if (c->type == CT_FCN) | |
890 | { | |
891 | // llassert(FALSE); | |
892 | s = message ("(*%q)(%q)", name, | |
893 | uentryList_unparseParamsComplete (c->contents.fcn->params)); | |
894 | ||
895 | return (ctbase_unparseDeclaration | |
896 | (ctype_getCtbase (c->contents.fcn->rval), s)); | |
897 | } | |
898 | else | |
899 | { | |
900 | llassert (c->type == CT_PTR); | |
901 | s = message("%q", ctype_unparseFunction ( c->contents.base, name) ); | |
902 | ||
903 | // s = message("%q", ctbase_unparse /*Declaration*/ (c) /* name)*/ ); | |
904 | return s; | |
905 | ||
906 | } | |
907 | } | |
908 | ||
909 | ||
910 | /*drl added 3/10/2002*/ | |
911 | ||
912 | /*@only@*/ cstring | |
913 | ctbase_unparseFunction (ctbase c, /*@only@*/ cstring name) /*@*/ | |
914 | { | |
915 | cstring s; | |
916 | ||
917 | if (ctbase_isUndefined (c)) | |
918 | { | |
919 | return name; | |
920 | } | |
921 | ||
922 | if (c->type == CT_FCN) | |
923 | { | |
924 | s = message ("%q(%q)", name, | |
925 | uentryList_unparseParamsComplete (c->contents.fcn->params)); | |
926 | ||
927 | return (ctbase_unparseDeclaration | |
928 | (ctype_getCtbase (c->contents.fcn->rval), s)); | |
929 | } | |
930 | else | |
931 | { | |
932 | ||
933 | llassert (c->type == CT_PTR); | |
934 | ||
935 | ||
936 | s = message("%q", ctbase_unparse /*Declaration*/ (c) /* name)*/ ); | |
937 | return s; | |
938 | ||
939 | } | |
940 | } | |
941 | ||
942 | ||
86d93ed3 | 943 | static ctbase ctbase_undump (d_char *c) /*@requires maxRead(*c) >= 2 @*/ |
885824d3 | 944 | { |
945 | ctbase res; | |
946 | char p = **c; | |
947 | ||
948 | (*c)++; | |
949 | ||
950 | switch (p) | |
951 | { | |
952 | case '?': | |
953 | return (ctbase_undefined); | |
954 | case 'u': | |
955 | return (ctbase_createUnknown ()); | |
956 | case 'b': | |
957 | return (ctbase_createBool ()); | |
958 | case 'p': | |
28bf4b0b | 959 | res = ctbase_createPrim (cprim_fromInt (reader_getInt (c))); |
960 | reader_checkChar (c, '|'); | |
885824d3 | 961 | return res; |
962 | case 's': | |
28bf4b0b | 963 | res = ctbase_createUser (typeId_fromInt (reader_getInt (c))); |
964 | reader_checkChar (c, '|'); | |
885824d3 | 965 | return res; |
966 | case 'a': | |
28bf4b0b | 967 | res = ctbase_createAbstract (typeId_fromInt (reader_getInt (c))); |
968 | reader_checkChar (c, '|'); | |
885824d3 | 969 | return res; |
970 | case 't': | |
971 | res = ctbase_makePointer (ctype_undump (c)); | |
28bf4b0b | 972 | reader_checkChar (c, '|'); |
885824d3 | 973 | return res; |
974 | case 'y': | |
975 | res = ctbase_makeArray (ctype_undump (c)); | |
28bf4b0b | 976 | reader_checkChar (c, '|'); |
885824d3 | 977 | return res; |
978 | case 'F': | |
979 | { | |
980 | ctype ct = ctype_undump (c); | |
37ae0b5e | 981 | size_t size; |
885824d3 | 982 | |
28bf4b0b | 983 | reader_checkChar (c, '/'); |
37ae0b5e | 984 | size = size_fromInt (reader_getInt (c)); |
28bf4b0b | 985 | reader_checkChar (c, '|'); |
885824d3 | 986 | return (ctbase_makeFixedArray (ct, size)); |
987 | } | |
988 | case 'f': | |
989 | { | |
990 | ctype ct; | |
991 | char *lp = strchr (*c, '('); | |
992 | ||
993 | llassertfatal (lp != NULL); | |
994 | ||
995 | *lp = '\0'; | |
996 | ct = ctype_undump (c); | |
997 | *c = lp + 1; | |
998 | ||
999 | return (ctbase_makeLiveFunction (ct, uentryList_undump (c))); | |
1000 | } | |
1001 | case 'S': | |
1002 | { | |
1003 | uentryList fields; | |
1004 | ctbase ctb; | |
1005 | char *sname; | |
1006 | char *lc = strchr (*c, '{'); | |
1007 | ||
1008 | llassert (lc != NULL); | |
1009 | *lc = '\0'; | |
1010 | ||
1011 | sname = mstring_copy (*c); | |
1012 | ||
1013 | *c = lc + 1; | |
1014 | ||
1015 | if (*sname == '!') | |
1016 | { | |
1017 | unsigned int i; | |
1018 | ||
1019 | i = (unsigned) atoi (sname + 1); | |
1020 | ||
1021 | setTagNo (i); | |
1022 | } | |
1023 | ||
1024 | fields = uentryList_undumpFields (c, g_currentloc); | |
1025 | ||
1026 | ctb = ctbase_createStruct (cstring_fromCharsO (sname), fields); | |
1027 | return ctb; | |
1028 | } | |
1029 | case 'U': | |
1030 | { | |
1031 | char *sname; | |
1032 | char *lc = strchr (*c, '{'); | |
1033 | ||
1034 | llassert (lc != NULL); | |
1035 | ||
1036 | *lc = '\0'; | |
1037 | sname = mstring_copy (*c); | |
1038 | llassert (sname != NULL); | |
1039 | ||
1040 | *c = lc + 1; | |
1041 | ||
1042 | if (*sname == '!') | |
1043 | { | |
1044 | unsigned int i; | |
1045 | ||
1046 | i = (unsigned) atoi (sname + 1); | |
1047 | setTagNo (i); | |
1048 | } | |
1049 | ||
1050 | return (ctbase_createUnion (cstring_fromCharsO (sname), | |
1051 | uentryList_undumpFields (c, g_currentloc))); | |
1052 | } | |
1053 | case 'e': | |
1054 | { | |
1055 | ctbase ret; | |
1056 | char *sname; | |
1057 | char *lc = strchr (*c, '{'); | |
1058 | ||
1059 | llassert (lc != NULL); | |
1060 | ||
1061 | *lc = '\0'; | |
1062 | sname = mstring_copy (*c); | |
1063 | *c = lc + 1; | |
1064 | ||
1065 | if (*sname == '!') | |
1066 | { | |
1067 | unsigned int i; | |
1068 | ||
1069 | i = (unsigned) atoi (sname + 1); | |
1070 | setTagNo (i); | |
1071 | } | |
1072 | ||
1073 | ret = ctbase_createEnum (cstring_fromCharsO (sname), | |
1074 | enumNameList_undump (c)); | |
1075 | return ret; | |
1076 | } | |
1077 | case 'C': | |
1078 | { | |
1079 | bool isExplicit; | |
1080 | ctype c1, c2; | |
1081 | ||
28bf4b0b | 1082 | isExplicit = bool_fromInt (reader_getInt (c)); |
1083 | reader_checkChar (c, '.'); | |
885824d3 | 1084 | c1 = ctype_undump (c); |
28bf4b0b | 1085 | reader_checkChar (c, '/'); |
885824d3 | 1086 | c2 = ctype_undump (c); |
28bf4b0b | 1087 | reader_checkChar (c, '|'); |
885824d3 | 1088 | |
1089 | return (ctbase_makeConj (c1, c2, isExplicit)); | |
1090 | } | |
1091 | ||
1092 | default: | |
1093 | (*c)--; | |
1094 | llerror (FLG_SYNTAX, | |
1095 | message ("Bad Library line (type): %s", cstring_fromChars (*c))); | |
1096 | ||
86d93ed3 | 1097 | /*drl bee: pbr*/ while (**c != '\0') |
885824d3 | 1098 | { |
1099 | (*c)++; | |
1100 | } | |
1101 | ||
1102 | return ctbase_createUnknown (); | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | /* first letter of c encodes type: */ | |
1107 | /* u unknown */ | |
1108 | /* b bool */ | |
1109 | /* p prim */ | |
1110 | /* e enum */ | |
1111 | /* l enumList */ | |
1112 | /* s uSer */ | |
1113 | /* a abstract */ | |
1114 | /* t poinTer */ | |
1115 | /* y arraY */ | |
1116 | /* F Fixed array */ | |
1117 | /* f function */ | |
1118 | /* S structure */ | |
1119 | /* U union */ | |
1120 | /* C conj */ | |
1121 | ||
1122 | static /*@only@*/ cstring | |
1123 | ctbase_dump (ctbase c) | |
1124 | { | |
1125 | if (!ctbase_isDefined (c)) | |
1126 | { | |
1127 | return cstring_makeLiteral ("?"); | |
1128 | } | |
1129 | ||
1130 | switch (c->type) | |
1131 | { | |
1132 | case CT_UNKNOWN: | |
1133 | return cstring_makeLiteral ("u"); | |
1134 | case CT_BOOL: | |
1135 | return cstring_makeLiteral ("b"); | |
1136 | case CT_PRIM: | |
1137 | return (message ("p%d|", c->contents.prim)); | |
1138 | case CT_USER: | |
1139 | return (message ("s%d|", | |
1140 | usymtab_convertId (c->contents.tid))); | |
1141 | case CT_ABST: | |
1142 | return (message ("a%d|", usymtab_convertId (c->contents.tid))); | |
1143 | case CT_PTR: | |
1144 | return (message ("t%q|", ctype_dump (c->contents.base))); | |
1145 | case CT_ARRAY: | |
1146 | return (message ("y%q|", ctype_dump (c->contents.base))); | |
1147 | case CT_FIXEDARRAY: | |
1148 | return (message ("F%q/%d|", | |
1149 | ctype_dump (c->contents.farray->base), | |
1150 | (int) c->contents.farray->size)); | |
1151 | case CT_FCN: | |
28bf4b0b | 1152 | DPRINTF (("Dump function: %s", ctbase_unparse (c))); |
885824d3 | 1153 | return (message ("f%q (%q)", ctype_dump (c->contents.fcn->rval), |
1154 | uentryList_dumpParams (c->contents.fcn->params))); | |
1155 | case CT_STRUCT: | |
1156 | return (message ("S%s{%q}", c->contents.su->name, | |
1157 | uentryList_dumpFields (c->contents.su->fields))); | |
1158 | case CT_UNION: | |
1159 | return (message ("U%s{%q}", c->contents.su->name, | |
1160 | uentryList_dumpFields (c->contents.su->fields))); | |
1161 | case CT_ENUM: | |
1162 | { | |
1163 | cstring s; | |
1164 | ||
1165 | if (cstring_isNonEmpty (c->contents.cenum->tag)) | |
1166 | { | |
1167 | s = message ("e%s{%q}", | |
1168 | c->contents.cenum->tag, | |
1169 | enumNameList_dump (c->contents.cenum->members)); | |
1170 | } | |
1171 | else | |
1172 | { | |
1173 | s = message ("e{%q}", | |
1174 | enumNameList_dump (c->contents.cenum->members)); | |
1175 | } | |
1176 | return (s); | |
1177 | } | |
1178 | case CT_CONJ: | |
1179 | return (message ("C%d.%q/%q|", | |
1180 | bool_toInt (c->contents.conj->isExplicit), | |
1181 | ctype_dump (c->contents.conj->a), | |
1182 | ctype_dump (c->contents.conj->b))); | |
1183 | case CT_EXPFCN: | |
1184 | /* should clean them up! */ | |
1185 | return (cstring_makeLiteral ("?")); | |
1186 | case CT_ENUMLIST: | |
1187 | llcontbug (message ("Cannot dump: %q", ctbase_unparse (c))); | |
1188 | return (message ("u")); | |
1189 | BADDEFAULT; | |
1190 | } | |
1191 | ||
1192 | BADEXIT; | |
1193 | } | |
1194 | ||
1195 | static /*@only@*/ ctbase | |
1196 | ctbase_copy (/*@notnull@*/ ctbase c) | |
1197 | { | |
1198 | switch (c->type) | |
1199 | { | |
1200 | case CT_UNKNOWN: | |
1201 | return (ctbase_createUnknown ()); | |
1202 | case CT_BOOL: | |
1203 | return (ctbase_createBool ()); | |
1204 | case CT_ENUM: | |
1205 | return (ctbase_createEnum (cstring_copy (c->contents.cenum->tag), | |
1206 | enumNameList_copy (c->contents.cenum->members))); | |
1207 | case CT_PRIM: | |
1208 | return (ctbase_createPrim (c->contents.prim)); | |
1209 | case CT_USER: | |
1210 | return (ctbase_createUser (c->contents.tid)); | |
1211 | case CT_ABST: | |
1212 | return (ctbase_createAbstract (c->contents.tid)); | |
1213 | case CT_EXPFCN: | |
1214 | return (ctbase_expectFunction (c->contents.base)); | |
1215 | case CT_PTR: | |
1216 | return (ctbase_makePointer (c->contents.base)); | |
1217 | case CT_ARRAY: | |
1218 | return (ctbase_makeArray (c->contents.base)); | |
1219 | case CT_FCN: | |
1220 | return (ctbase_makeLiveFunction (c->contents.fcn->rval, | |
1221 | uentryList_copy (c->contents.fcn->params))); | |
1222 | case CT_STRUCT: | |
1223 | return (ctbase_createStruct (cstring_copy (c->contents.su->name), | |
1224 | uentryList_copy (c->contents.su->fields))); | |
1225 | case CT_UNION: | |
1226 | return (ctbase_createUnion (cstring_copy (c->contents.su->name), | |
1227 | uentryList_copy (c->contents.su->fields))); | |
1228 | case CT_CONJ: | |
1229 | /*@i@*/ return (c); /* not a real copy for conj's */ | |
1230 | default: | |
1231 | llbug (message ("ctbase_copy: %q", ctbase_unparse (c))); | |
1232 | } | |
1233 | ||
1234 | BADEXIT; | |
1235 | } | |
1236 | ||
1237 | static enumNameList | |
1238 | ctbase_elist (ctbase c) | |
1239 | { | |
1240 | llassert (ctbase_isDefined (c)); | |
1241 | llassert (c->type == CT_ENUM); | |
1242 | ||
1243 | return (c->contents.cenum->members); | |
1244 | } | |
1245 | ||
1246 | static void | |
1247 | ctbase_free (/*@only@*/ ctbase c) | |
1248 | { | |
1249 | if (c == ctbase_bool || c == ctbase_unknown) | |
1250 | { | |
1251 | /*@-mustfree@*/ return; /*@=mustfree@*/ | |
1252 | } | |
1253 | ||
1254 | --nctbases; | |
1255 | ||
1256 | ||
1257 | if (ctbase_isDefined (c)) | |
1258 | { | |
1259 | switch (c->type) | |
1260 | { | |
1261 | case CT_UNKNOWN: | |
1262 | sfree (c); | |
1263 | break; | |
1264 | case CT_PRIM: | |
1265 | sfree (c); | |
1266 | break; | |
1267 | case CT_ENUM: | |
1268 | sfree (c); | |
1269 | break; | |
1270 | case CT_ENUMLIST: | |
1271 | /* sfree list? */ | |
1272 | sfree (c); | |
1273 | break; | |
1274 | case CT_USER: | |
1275 | sfree (c); | |
1276 | break; | |
1277 | case CT_ABST: | |
1278 | sfree (c); | |
1279 | break; | |
1280 | case CT_PTR: | |
1281 | case CT_ARRAY: | |
1282 | sfree (c); | |
1283 | break; | |
1284 | case CT_FCN: | |
28bf4b0b | 1285 | /*@i32@*/ /* uentryList_free (c->contents.fcn->params); */ |
885824d3 | 1286 | sfree (c); |
1287 | break; | |
1288 | case CT_STRUCT: | |
1289 | case CT_UNION: | |
1290 | cstring_free (c->contents.su->name); | |
1291 | uentryList_free (c->contents.su->fields); | |
1292 | sfree (c); | |
1293 | break; | |
1294 | case CT_CONJ: | |
1295 | /* Don't bree conj's, */ | |
1296 | break; | |
1297 | default: | |
1298 | sfree (c); | |
1299 | break; | |
1300 | } | |
1301 | } | |
1302 | } | |
1303 | ||
1304 | /* | |
1305 | ** c should be * <unknown> | |
1306 | */ | |
1307 | ||
1308 | static /*@only@*/ ctbase | |
1309 | ctbase_expectFunction (ctype c) | |
1310 | { | |
1311 | ctbase f = ctbase_new (); | |
1312 | ||
1313 | f->type = CT_EXPFCN; | |
1314 | f->contents.base = c; | |
1315 | ||
1316 | return (f); | |
1317 | } | |
1318 | ||
e8b84478 | 1319 | static bool |
abd7f895 | 1320 | ctbase_isExpectFunction (/*@notnull@*/ ctbase ct) /*@*/ |
e8b84478 | 1321 | { |
1322 | return (ct->type == CT_EXPFCN); | |
1323 | } | |
1324 | ||
1325 | static ctype | |
abd7f895 | 1326 | ctbase_getExpectFunction (/*@notnull@*/ ctbase ct) |
e8b84478 | 1327 | { |
1328 | llassert (ctbase_isExpectFunction (ct)); | |
1329 | return ct->contents.base; | |
1330 | } | |
1331 | ||
885824d3 | 1332 | static bool |
a0a162cd | 1333 | ctbase_genMatch (ctbase c1, ctbase c2, bool force, bool arg, bool def, bool deep) |
885824d3 | 1334 | { |
1335 | ctuid c1tid, c2tid; | |
1336 | ||
1337 | /* undefined types never match */ | |
1338 | ||
1339 | if (ctbase_isUndefined (c1) || ctbase_isUndefined (c2)) | |
1340 | return FALSE; | |
1341 | ||
1342 | /* abstract types match user types of same name */ | |
1343 | ||
1344 | c1 = ctbase_realType (c1); | |
1345 | c2 = ctbase_realType (c2); | |
1346 | ||
a0a162cd | 1347 | DPRINTF (("Matching: %s / %s", ctbase_unparse (c1), |
1348 | ctbase_unparse (c2))); | |
1349 | ||
885824d3 | 1350 | c1tid = c1->type; |
1351 | c2tid = c2->type; | |
1352 | ||
1353 | if (c1tid == CT_CONJ) | |
1354 | { | |
1355 | return (ctbase_genMatch (ctype_getCtbase (c1->contents.conj->a), c2, | |
a0a162cd | 1356 | force, arg, def, deep) |
885824d3 | 1357 | || ctbase_genMatch (ctype_getCtbase (c1->contents.conj->b), c2, |
a0a162cd | 1358 | force, arg, def, deep)); |
885824d3 | 1359 | } |
1360 | ||
1361 | if (c2tid == CT_CONJ) | |
1362 | { | |
1363 | return (ctbase_genMatch (c1, ctype_getCtbase (c2->contents.conj->a), | |
a0a162cd | 1364 | force, arg, def, deep) |
885824d3 | 1365 | || ctbase_genMatch (c1, ctype_getCtbase (c2->contents.conj->b), |
a0a162cd | 1366 | force, arg, def, deep)); |
885824d3 | 1367 | } |
1368 | ||
1369 | /* | |
1370 | ** if the types don't match, there are some special cases... | |
1371 | */ | |
1372 | ||
1373 | if (c1tid != c2tid) | |
1374 | { | |
1375 | /* unknowns match anything */ | |
1376 | ||
1377 | if (c1tid == CT_UNKNOWN || c2tid == CT_UNKNOWN) | |
1378 | { | |
1379 | return TRUE; | |
1380 | } | |
1381 | ||
1382 | if (c1tid == CT_FIXEDARRAY | |
1383 | && (c2tid == CT_ARRAY || (!def && c2tid == CT_PTR))) | |
1384 | { | |
1385 | if (ctype_isVoid (c2->contents.base)) | |
1386 | { | |
1387 | return (context_getFlag (FLG_ABSTVOIDP) || | |
1388 | (!(ctype_isRealAbstract (c1->contents.farray->base)) && | |
1389 | !(ctype_isRealAbstract (c2->contents.base)))); | |
1390 | } | |
1391 | ||
1392 | return (ctbase_genMatch (ctype_getCtbase (c1->contents.farray->base), | |
1393 | ctype_getCtbase (c2->contents.base), | |
a0a162cd | 1394 | force, arg, def, deep)); |
885824d3 | 1395 | } |
1396 | ||
1397 | ||
1398 | if (c2tid == CT_FIXEDARRAY | |
1399 | && (c1tid == CT_ARRAY || (!def && c1tid == CT_PTR))) | |
1400 | { | |
1401 | if (ctype_isVoid (c1->contents.base)) | |
1402 | { | |
1403 | return (context_getFlag (FLG_ABSTVOIDP) || | |
1404 | (!(ctype_isRealAbstract (c2->contents.farray->base)) && | |
1405 | !(ctype_isRealAbstract (c1->contents.base)))); | |
1406 | } | |
1407 | ||
1408 | return (ctbase_genMatch (ctype_getCtbase (c1->contents.base), | |
1409 | ctype_getCtbase (c2->contents.farray->base), | |
a0a162cd | 1410 | force, arg, def, deep)); |
885824d3 | 1411 | } |
1412 | ||
a0a162cd | 1413 | /* evs 2000-07-25: Bool's may match user/abstract types */ |
1414 | ||
885824d3 | 1415 | if ((c1tid == CT_BOOL |
1416 | && (c2tid == CT_PRIM && cprim_isInt (c2->contents.prim))) || | |
1417 | (c2tid == CT_BOOL | |
1418 | && (c1tid == CT_PRIM && cprim_isInt (c1->contents.prim)))) | |
1419 | { | |
1420 | return (context_msgBoolInt ()); | |
1421 | } | |
1422 | ||
a0a162cd | 1423 | if ((c1tid == CT_BOOL && (c2tid == CT_ABST || c2tid == CT_USER))) { |
1424 | ctype t2c = c2->contents.base; | |
1425 | ||
1426 | return (ctype_isBool (t2c)); | |
1427 | } | |
1428 | ||
1429 | if ((c2tid == CT_BOOL && (c1tid == CT_ABST || c1tid == CT_USER))) { | |
1430 | ctype t1c = c1->contents.base; | |
1431 | ||
1432 | return (ctype_isBool (t1c)); | |
1433 | } | |
1434 | ||
885824d3 | 1435 | if ((c1tid == CT_ENUM |
1436 | && (c2tid == CT_PRIM && cprim_isInt (c2->contents.prim))) || | |
1437 | (c2tid == CT_ENUM | |
1438 | && (c1tid == CT_PRIM && cprim_isInt (c1->contents.prim)))) | |
1439 | { | |
1440 | return (context_msgEnumInt ()); | |
1441 | } | |
1442 | ||
1443 | /* | |
1444 | ** arrays and pointers...yuk! | |
1445 | ** | |
1446 | ** Considered equivalent except in definitions. | |
1447 | ** (e.g., function parameters are equivalent) | |
1448 | ** | |
1449 | */ | |
1450 | ||
1451 | if (!def) | |
1452 | { | |
1453 | if (ctuid_isAP (c1tid) && ctuid_isAP (c2tid)) | |
1454 | { | |
1455 | c2tid = c1tid; | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | ** Function pointers can be removed. | |
1461 | ** | |
1462 | ** [function ..] is equivalent to [function ..] * | |
1463 | */ | |
1464 | ||
1465 | if (c1tid == CT_PTR && c2tid == CT_FCN) | |
1466 | { | |
1467 | if (ctype_isFunction (ctype_realType (c1->contents.base))) | |
1468 | { | |
1469 | c1 = ctbase_realType (ctype_getCtbaseSafe (c1->contents.base)); | |
1470 | c1tid = c1->type; | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | if (c2tid == CT_PTR && c1tid == CT_FCN) | |
1475 | { | |
1476 | if (ctype_isFunction (ctype_realType (c2->contents.base))) | |
1477 | { | |
1478 | c2 = ctbase_realType (ctype_getCtbaseSafe (c2->contents.base)); | |
1479 | c2tid = c2->type; | |
1480 | } | |
1481 | } | |
1482 | ||
1483 | /* | |
1484 | ** we allow forward declarations to structures like, | |
1485 | ** | |
1486 | ** typedef struct _t *t; | |
1487 | ** | |
1488 | ** to allow, | |
1489 | ** struct _t * to match t | |
1490 | */ | |
1491 | ||
1492 | if (context_getFlag (FLG_FORWARDDECL)) | |
1493 | { | |
1494 | if (c1tid == CT_ABST || c1tid == CT_USER) | |
1495 | { | |
1496 | if (ctuid_isAP (c2tid)) | |
1497 | { | |
1498 | ctype ts = c2->contents.base; | |
1499 | ||
1500 | if (ctype_isUA (ts)) | |
1501 | { | |
1502 | typeId ttid = ctype_typeId (ts); | |
1503 | typeId ctid = c1->contents.tid ; | |
1504 | ||
1505 | if (usymtab_matchForwardStruct (ctid, ttid)) | |
1506 | { | |
1507 | return TRUE; | |
1508 | } | |
1509 | } | |
1510 | } | |
1511 | } | |
1512 | ||
1513 | if (c2tid == CT_ABST || c2tid == CT_USER) | |
1514 | { | |
1515 | if (ctuid_isAP (c1tid)) | |
1516 | { | |
1517 | ctype ts = c1->contents.base; | |
1518 | ||
1519 | if (ctype_isUA (ts)) | |
1520 | { | |
1521 | typeId ttid = ctype_typeId (ts); | |
1522 | typeId ctid = c2->contents.tid ; | |
1523 | ||
1524 | if (usymtab_matchForwardStruct (ctid, ttid)) | |
1525 | { | |
1526 | return TRUE; | |
1527 | } | |
1528 | } | |
1529 | } | |
1530 | } | |
1531 | } | |
1532 | } | |
1533 | ||
1534 | if (c1tid != c2tid) | |
1535 | return FALSE; | |
1536 | ||
1537 | switch (c1tid) | |
1538 | { | |
1539 | case CT_UNKNOWN: | |
1540 | return (TRUE); | |
1541 | case CT_PRIM: | |
a0a162cd | 1542 | if (deep) { |
1543 | return (cprim_closeEnoughDeep (c1->contents.prim, c2->contents.prim)); | |
1544 | } else { | |
1545 | return (cprim_closeEnough (c1->contents.prim, c2->contents.prim)); | |
1546 | } | |
885824d3 | 1547 | case CT_BOOL: |
1548 | return (TRUE); | |
1549 | case CT_ABST: | |
1550 | return (typeId_equal (c1->contents.tid, c2->contents.tid)); | |
1551 | case CT_USER: | |
1552 | return (typeId_equal (c1->contents.tid, c2->contents.tid)); | |
1553 | case CT_ENUM: | |
1554 | return (cstring_equal (c1->contents.cenum->tag, c2->contents.cenum->tag)); | |
1555 | case CT_PTR: | |
1556 | if (ctype_isVoid (c1->contents.base) | |
1557 | || (ctype_isVoid (c2->contents.base))) | |
1558 | { | |
1559 | if (ctype_isFunction (ctype_realType (c1->contents.base)) | |
1560 | || ctype_isFunction (ctype_realType (c2->contents.base))) | |
1561 | { | |
1562 | return (!context_getFlag (FLG_CASTFCNPTR)); | |
1563 | } | |
1564 | else | |
1565 | { | |
1566 | return (context_getFlag (FLG_ABSTVOIDP) || | |
1567 | (!(ctype_isRealAbstract (c1->contents.base)) && | |
1568 | !(ctype_isRealAbstract (c2->contents.base)))); | |
1569 | } | |
1570 | } | |
1571 | else | |
1572 | { | |
1573 | /* Only allow one implicit function pointer. */ | |
1574 | ||
1575 | if (!bool_equal (ctype_isRealPointer (c1->contents.base), | |
1576 | ctype_isRealPointer (c2->contents.base)) | |
1577 | && (ctype_isRealFunction (c1->contents.base) | |
1578 | || ctype_isRealFunction (c2->contents.base))) | |
1579 | { | |
1580 | return FALSE; | |
1581 | } | |
a0a162cd | 1582 | |
885824d3 | 1583 | return (ctype_genMatch (c1->contents.base, |
a0a162cd | 1584 | c2->contents.base, force, arg, def, TRUE)); |
885824d3 | 1585 | } |
1586 | case CT_FIXEDARRAY: | |
1587 | if (ctype_isVoid (c1->contents.farray->base) | |
1588 | || ctype_isVoid (c2->contents.farray->base)) | |
1589 | return TRUE; | |
1590 | return (ctype_genMatch (c1->contents.farray->base, | |
1591 | c2->contents.farray->base, | |
a0a162cd | 1592 | force, arg, def, deep)); |
885824d3 | 1593 | case CT_ARRAY: |
1594 | if (ctype_isVoid (c1->contents.base) || ctype_isVoid (c2->contents.base)) | |
1595 | return TRUE; | |
a0a162cd | 1596 | return (ctype_genMatch (c1->contents.base, c2->contents.base, force, arg, def, TRUE)); |
885824d3 | 1597 | case CT_FCN: |
1598 | return (ctype_genMatch (c1->contents.fcn->rval, | |
1599 | c2->contents.fcn->rval, | |
a0a162cd | 1600 | force, arg, def, TRUE) |
885824d3 | 1601 | && uentryList_matchParams (c1->contents.fcn->params, |
1602 | c2->contents.fcn->params, | |
1603 | force, TRUE)); | |
1604 | case CT_STRUCT: | |
1605 | case CT_UNION: | |
a0a162cd | 1606 | DPRINTF (("Struct: %s / %s", |
1607 | c1->contents.su->name, | |
1608 | c2->contents.su->name)); | |
1609 | ||
28bf4b0b | 1610 | if (isFakeTag (c1->contents.su->name) |
1611 | && isFakeTag (c2->contents.su->name)) | |
885824d3 | 1612 | { |
28bf4b0b | 1613 | /* Both fake tags, check structure */ |
1614 | if (cstring_equal (c1->contents.su->name, c2->contents.su->name)) | |
1615 | { | |
1616 | return TRUE; | |
1617 | } | |
1618 | else | |
1619 | { | |
1620 | return uentryList_matchFields (c1->contents.su->fields, | |
1621 | c2->contents.su->fields); | |
1622 | } | |
885824d3 | 1623 | } |
1624 | else | |
1625 | { | |
28bf4b0b | 1626 | if (!cstring_isEmpty (c1->contents.su->name)) |
885824d3 | 1627 | { |
28bf4b0b | 1628 | return (cstring_equal (c1->contents.su->name, c2->contents.su->name)); |
1629 | } | |
1630 | else | |
1631 | { | |
1632 | if (!cstring_isEmpty (c2->contents.su->name)) | |
1633 | { | |
1634 | return FALSE; | |
1635 | } | |
1636 | ||
1637 | llcontbuglit ("ctbase_genMatch: match fields"); | |
1638 | return (FALSE); | |
885824d3 | 1639 | } |
885824d3 | 1640 | } |
1641 | default: | |
1642 | llcontbug (message ("ctbase_genMatch: unknown type: %d\n", (int)c1tid)); | |
1643 | return (FALSE); | |
1644 | } | |
1645 | } | |
1646 | ||
1647 | /* | |
1648 | ** like ctbase_match, except for conjuncts: | |
1649 | ** modifies conjuncts to match only | |
1650 | */ | |
1651 | ||
1652 | static bool | |
a0a162cd | 1653 | ctbase_forceMatch (ctbase c1, ctbase c2) /*@modifies c1, c2@*/ |
885824d3 | 1654 | { |
a0a162cd | 1655 | return (ctbase_genMatch (c1, c2, TRUE, FALSE, FALSE, FALSE)); |
885824d3 | 1656 | } |
1657 | ||
1658 | static bool | |
1659 | ctbase_match (ctbase c1, ctbase c2) /*@modifies nothing@*/ | |
1660 | { | |
a0a162cd | 1661 | return (ctbase_genMatch (c1, c2, FALSE, FALSE, FALSE, FALSE)); |
885824d3 | 1662 | } |
1663 | ||
1664 | static bool | |
1665 | ctbase_matchDef (ctbase c1, ctbase c2) /*@modifies nothing@*/ | |
1666 | { | |
a0a162cd | 1667 | return (ctbase_genMatch (c1, c2, FALSE, FALSE, TRUE, FALSE)); |
885824d3 | 1668 | } |
1669 | ||
1670 | static bool | |
1671 | ctbase_matchArg (ctbase c1, ctbase c2) | |
1672 | { | |
a0a162cd | 1673 | return (ctbase_genMatch (c1, c2, FALSE, TRUE, FALSE, FALSE)); |
885824d3 | 1674 | } |
1675 | ||
1676 | static /*@out@*/ /*@only@*/ /*@notnull@*/ ctbase | |
1677 | ctbase_new () | |
1678 | { | |
1679 | ctbase c = (ctbase) dmalloc (sizeof (*c)); | |
1680 | ||
1681 | nctbases++; | |
1682 | /* | |
1683 | if (nctbases % 100 == 0 && nctbases > lastnc) | |
1684 | { | |
1685 | llmsg (message ("ctbases: %d", nctbases)); | |
1686 | lastnc = nctbases; | |
1687 | } | |
1688 | */ | |
1689 | return (c); | |
1690 | } | |
1691 | ||
1692 | static /*@only@*/ ctbase | |
1693 | ctbase_createPrim (cprim p) | |
1694 | { | |
1695 | ctbase c = ctbase_new (); | |
1696 | ||
1697 | c->type = CT_PRIM; | |
1698 | c->contents.prim = p; | |
1699 | ||
1700 | return (c); | |
1701 | } | |
1702 | ||
1703 | static /*@observer@*/ ctbase | |
1704 | ctbase_getBool (void) | |
1705 | { | |
1706 | /*@i@*/ return ctbase_createBool (); | |
1707 | } | |
1708 | ||
1709 | static ctbase | |
1710 | ctbase_createBool () | |
1711 | { | |
1712 | if (!ctbase_isDefined (ctbase_bool)) | |
1713 | { | |
1714 | ctbase_bool = ctbase_new (); | |
1715 | ctbase_bool->type = CT_BOOL; | |
1716 | ctbase_bool->contents.prim = CTX_BOOL; | |
1717 | } | |
1718 | ||
1719 | /*@-retalias@*/ /*@-globstate@*/ | |
1720 | return ctbase_bool; | |
1721 | /*@=retalias@*/ /*@=globstate@*/ | |
1722 | } | |
1723 | ||
1724 | static /*@only@*/ ctbase | |
1725 | ctbase_createUser (typeId u) | |
1726 | { | |
1727 | ctbase c = ctbase_new (); | |
1728 | ||
1729 | c->type = CT_USER; | |
1730 | c->contents.tid = u; | |
1731 | ||
1732 | llassert (typeId_isValid (u)); | |
1733 | ||
1734 | return (c); | |
1735 | } | |
1736 | ||
1737 | static /*@only@*/ ctbase | |
1738 | ctbase_createEnum (/*@keep@*/ cstring etag, /*@keep@*/ enumNameList emembers) | |
1739 | { | |
1740 | ctbase c = ctbase_new (); | |
1741 | ||
1742 | c->type = CT_ENUM; | |
1743 | ||
1744 | if (cstring_isUndefined (etag)) | |
1745 | { | |
1746 | llcontbuglit ("Undefined enum tag!"); | |
1747 | etag = fakeTag (); | |
1748 | } | |
1749 | ||
1750 | c->contents.cenum = (tenum) dmalloc (sizeof (*c->contents.cenum)); | |
1751 | c->contents.cenum->tag = etag; | |
1752 | c->contents.cenum->members = emembers; | |
1753 | ||
1754 | return (c); | |
1755 | } | |
1756 | ||
1757 | static /*@observer@*/ cstring | |
1758 | ctbase_enumTag (/*@notnull@*/ ctbase ct) | |
1759 | { | |
1760 | return (ct->contents.cenum->tag); | |
1761 | } | |
1762 | ||
1763 | static /*@only@*/ ctbase | |
1764 | ctbase_createAbstract (typeId u) | |
1765 | { | |
1766 | ctbase c = ctbase_new (); | |
1767 | ||
1768 | c->type = CT_ABST; | |
1769 | c->contents.tid = u; | |
1770 | ||
1771 | /* also check its abstract? */ | |
1772 | ||
1773 | llassert (typeId_isValid (c->contents.tid)); | |
1774 | ||
1775 | return (c); | |
1776 | } | |
1777 | ||
1778 | static /*@only@*/ ctbase | |
1779 | ctbase_createUnknown (void) | |
1780 | { | |
1781 | if (!ctbase_isDefined (ctbase_unknown)) | |
1782 | { | |
1783 | ctbase_unknown = ctbase_new (); | |
1784 | ctbase_unknown->type = CT_UNKNOWN; | |
1785 | ctbase_unknown->contents.prim = CTX_UNKNOWN; | |
1786 | } | |
1787 | ||
1788 | /*@-retalias@*/ /*@-globstate@*/ | |
1789 | return ctbase_unknown; | |
1790 | /*@=retalias@*/ /*@=globstate@*/ | |
1791 | } | |
1792 | ||
1793 | /* | |
1794 | ** requires: result is not assigned to b | |
1795 | ** (should copy, but no way to reclaim storage) | |
1796 | */ | |
1797 | ||
1798 | static /*@only@*/ ctbase | |
1799 | ctbase_makePointer (ctype b) | |
1800 | { | |
1801 | ctbase c = ctbase_new (); | |
1802 | ||
1803 | c->type = CT_PTR; | |
1804 | c->contents.base = b; | |
1805 | ||
1806 | return (c); | |
1807 | } | |
1808 | ||
1809 | static /*@only@*/ ctbase | |
1810 | ctbase_makeArray (ctype b) | |
1811 | { | |
1812 | ctbase c = ctbase_new (); | |
1813 | ||
1814 | c->type = CT_ARRAY; | |
1815 | c->contents.base = b; | |
1816 | ||
1817 | return (c); | |
1818 | } | |
1819 | ||
1820 | static /*@notnull@*/ /*@only@*/ ctbase | |
37ae0b5e | 1821 | ctbase_makeFixedArray (ctype b, size_t size) |
885824d3 | 1822 | { |
1823 | ctbase c = ctbase_new (); | |
1824 | ||
1825 | c->type = CT_FIXEDARRAY; | |
1826 | ||
1827 | c->contents.farray = (tfixed) dmalloc (sizeof (*c->contents.farray)); | |
1828 | c->contents.farray->base = b; | |
1829 | c->contents.farray->size = size; | |
1830 | ||
1831 | return (c); | |
1832 | } | |
1833 | ||
1834 | static ctype | |
1835 | ctbase_makeFunction (ctype b, /*@only@*/ uentryList p) | |
1836 | { | |
1837 | ctbase c = ctbase_new (); | |
1838 | ctype ct; | |
1839 | ||
1840 | c->type = CT_FCN; | |
1841 | c->contents.fcn = (cfcn) dmalloc (sizeof (*c->contents.fcn)); | |
1842 | ||
1843 | if (ctype_isFunction (b)) /* was: && ctype_isPointer (b)) */ | |
1844 | { | |
1845 | ctbase ctb; | |
1846 | ctype rval; | |
1847 | ||
1848 | if (ctype_isPointer (b)) | |
1849 | { | |
1850 | ctb = ctype_getCtbase (ctype_baseArrayPtr (b)); | |
1851 | } | |
1852 | else | |
1853 | { | |
1854 | ctb = ctype_getCtbase (b); | |
1855 | } | |
1856 | ||
1857 | llassert (ctbase_isDefined (ctb)); | |
1858 | llassert (ctb->type == CT_FCN); | |
1859 | ||
1860 | rval = ctype_makeFunction (ctb->contents.fcn->rval, p); | |
1861 | ||
1862 | c->contents.fcn->rval = rval; | |
28bf4b0b | 1863 | c->contents.fcn->params = uentryList_copy (ctb->contents.fcn->params); /* no copy before */ |
885824d3 | 1864 | } |
1865 | else | |
1866 | { | |
1867 | c->contents.fcn->rval = b; | |
28bf4b0b | 1868 | c->contents.fcn->params = uentryList_copy (p); /* no copy before */ |
885824d3 | 1869 | /*@-branchstate@*/ /* p is really released on this branch */ |
1870 | } | |
1871 | /*@=branchstate@*/ | |
1872 | ||
1873 | ct = cttable_addComplex (c); | |
1874 | return (ct); /* was: ctype_makePointer (ct)); */ | |
1875 | } | |
1876 | ||
1877 | static ctype | |
1878 | ctbase_makeNFFunction (ctype b, /*@only@*/ uentryList p) | |
1879 | { | |
1880 | ctbase c = ctbase_new (); | |
1881 | ctype ct; | |
1882 | ||
1883 | c->type = CT_FCN; | |
1884 | c->contents.fcn = (cfcn) dmalloc (sizeof (*c->contents.fcn)); | |
1885 | ||
1886 | if (ctype_isFunction (b)) /* was && ctype_isPointer (b)) */ | |
1887 | { | |
1888 | ctbase ctb; | |
1889 | ctype rval; | |
1890 | ||
1891 | if (ctype_isPointer (b)) | |
1892 | { | |
1893 | ctb = ctype_getCtbase (ctype_baseArrayPtr (b)); | |
1894 | } | |
1895 | else | |
1896 | { | |
1897 | ctb = ctype_getCtbase (b); | |
1898 | } | |
1899 | ||
1900 | llassert (ctbase_isDefined (ctb)); | |
1901 | llassert (ctb->type == CT_FCN); | |
1902 | ||
1903 | rval = ctype_makeNFParamsFunction (ctb->contents.fcn->rval, p); | |
1904 | ||
1905 | c->contents.fcn->rval = rval; | |
28bf4b0b | 1906 | c->contents.fcn->params = uentryList_copy (ctb->contents.fcn->params); |
885824d3 | 1907 | } |
1908 | else | |
1909 | { | |
1910 | c->contents.fcn->rval = b; | |
28bf4b0b | 1911 | c->contents.fcn->params = uentryList_copy (p); |
885824d3 | 1912 | /*@-branchstate@*/ |
1913 | } | |
1914 | /*@=branchstate@*/ | |
1915 | ||
1916 | ct = cttable_addComplex (c); | |
1917 | return (ct); /* was: ctype_makePointer (ct)); */ | |
1918 | } | |
1919 | ||
1920 | static /*@only@*/ ctbase | |
28bf4b0b | 1921 | ctbase_makeLiveFunction (ctype b, /*@only@*/ uentryList p) |
885824d3 | 1922 | { |
1923 | ctbase c = ctbase_new (); | |
1924 | ||
1925 | c->type = CT_FCN; | |
1926 | ||
1927 | c->contents.fcn = (cfcn) dmalloc (sizeof (*c->contents.fcn)); | |
1928 | c->contents.fcn->rval = b; | |
1929 | c->contents.fcn->params = p; | |
885824d3 | 1930 | |
1931 | /*@-mustfree@*/ return (c); /*@=mustfree@*/ | |
1932 | } | |
1933 | ||
885824d3 | 1934 | static /*@observer@*/ /*@notnull@*/ ctbase |
1935 | ctbase_realFunction (/*@dependent@*/ /*@notnull@*/ ctbase c) | |
1936 | { | |
1937 | ctbase res; | |
1938 | ||
1939 | if (c->type == CT_FCN) | |
1940 | { | |
1941 | return c; | |
1942 | } | |
1943 | ||
1944 | llassert (ctbase_isFunction (c)); | |
1945 | ||
1946 | res = ctype_getCtbase (c->contents.base); | |
1947 | ||
1948 | llassert (ctbase_isDefined (res)); | |
1949 | ||
1950 | return (res); | |
1951 | } | |
1952 | ||
1953 | static bool | |
1954 | ctbase_isFunction (ctbase c) | |
1955 | { | |
1956 | llassert (c != ctbase_undefined); | |
1957 | ||
1958 | if (c->type == CT_FCN) | |
1959 | { | |
1960 | return TRUE; | |
1961 | } | |
1962 | else | |
1963 | { | |
1964 | if (c->type == CT_PTR) | |
1965 | { | |
1966 | ctbase fcn = ctype_getCtbase (ctbase_baseArrayPtr (c)); | |
1967 | ||
1968 | return (ctbase_isDefined (fcn) && fcn->type == CT_FCN); | |
1969 | } | |
1970 | ||
1971 | return FALSE; | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | /* doesn't copy c1 and c2 */ | |
1976 | ||
1977 | static /*@only@*/ ctbase | |
1978 | ctbase_makeConj (ctype c1, ctype c2, bool isExplicit) | |
1979 | { | |
1980 | ctbase c = ctbase_new (); | |
1981 | ||
1982 | c->type = CT_CONJ; | |
1983 | ||
1984 | c->contents.conj = (tconj) dmalloc (sizeof (*c->contents.conj)); | |
1985 | c->contents.conj->a = c1; | |
1986 | c->contents.conj->b = c2; | |
1987 | c->contents.conj->isExplicit = isExplicit; | |
1988 | ||
1989 | return (c); | |
1990 | } | |
1991 | ||
d5047b91 | 1992 | static bool ctbase_isAnytype (/*@notnull@*/ ctbase b) |
1993 | { | |
1994 | /* | |
1995 | ** A unknown|dne conj is a special representation for an anytype. | |
1996 | */ | |
1997 | ||
1998 | if (b->type == CT_CONJ) | |
1999 | { | |
2000 | /*@access ctype@*/ | |
2001 | return (b->contents.conj->a == ctype_unknown | |
2002 | && b->contents.conj->b == ctype_dne); | |
2003 | /*@noaccess ctype@*/ | |
2004 | } | |
2005 | ||
2006 | return FALSE; | |
2007 | } | |
2008 | ||
885824d3 | 2009 | static ctype |
2010 | ctbase_getConjA (/*@notnull@*/ ctbase c) | |
2011 | { | |
2012 | llassert (c->type == CT_CONJ); | |
2013 | return (c->contents.conj->a); | |
2014 | } | |
2015 | ||
2016 | static ctype | |
2017 | ctbase_getConjB (/*@notnull@*/ ctbase c) | |
2018 | { | |
2019 | llassert (c->type == CT_CONJ); | |
2020 | return (c->contents.conj->b); | |
2021 | } | |
2022 | ||
2023 | static bool | |
2024 | ctbase_isExplicitConj (/*@notnull@*/ ctbase c) | |
2025 | { | |
2026 | llassert (c->type == CT_CONJ); | |
2027 | return (c->contents.conj->isExplicit); | |
2028 | } | |
2029 | ||
2030 | static /*@only@*/ ctbase | |
2031 | ctbase_createStruct (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
2032 | { | |
2033 | ctbase c = ctbase_new (); | |
2034 | ||
2035 | c->type = CT_STRUCT; | |
2036 | ||
2037 | c->contents.su = (tsu) dmalloc (sizeof (*c->contents.su)); | |
2038 | c->contents.su->name = n; | |
2039 | c->contents.su->fields = f; | |
2040 | ||
2041 | return (c); | |
2042 | } | |
2043 | ||
2044 | static /*@observer@*/ uentryList | |
2045 | ctbase_getuentryList (/*@notnull@*/ ctbase c) | |
2046 | { | |
2047 | c = ctbase_realType (c); | |
2048 | ||
2049 | if (!(c->type == CT_STRUCT || c->type == CT_UNION)) | |
2050 | llfatalbug (message ("ctbase_getuentryList: bad invocation: %q", ctbase_unparse (c))); | |
2051 | ||
2052 | return (c->contents.su->fields); | |
2053 | } | |
2054 | ||
2055 | static ctbase | |
2056 | ctbase_createUnion (/*@keep@*/ cstring n, /*@only@*/ uentryList f) | |
2057 | { | |
2058 | ctbase c = ctbase_new (); | |
2059 | ||
2060 | c->type = CT_UNION; | |
2061 | ||
2062 | c->contents.su = (tsu) dmalloc (sizeof (*c->contents.su)); | |
2063 | c->contents.su->name = n; | |
2064 | c->contents.su->fields = f; | |
2065 | ||
2066 | return (c); | |
2067 | } | |
2068 | ||
2069 | static ctype | |
2070 | ctbase_baseArrayPtr (/*@notnull@*/ ctbase c) | |
2071 | { | |
2072 | ctuid ct; | |
2073 | c = ctbase_realType (c); | |
2074 | ct = c->type; | |
2075 | ||
2076 | if (ct == CT_FIXEDARRAY) | |
2077 | { | |
2078 | return c->contents.farray->base; | |
2079 | } | |
2080 | else | |
2081 | { | |
2082 | llassert (ctuid_isAP (ct)); | |
2083 | ||
2084 | return c->contents.base; | |
2085 | } | |
2086 | } | |
2087 | ||
2088 | static ctype | |
2089 | ctbase_baseFunction (/*@notnull@*/ ctbase c) | |
2090 | { | |
2091 | ctbase_fixUser (c); | |
2092 | c = ctbase_realFunction (c); | |
2093 | ||
2094 | if (c->type != CT_FCN) | |
2095 | { | |
2096 | llfatalbug (message ("ctbase_baseFunction: bad call: %q", ctbase_unparse (c))); | |
2097 | } | |
2098 | ||
2099 | return (c->contents.fcn->rval); | |
2100 | } | |
2101 | ||
2102 | static uentryList | |
2103 | ctbase_argsFunction (/*@notnull@*/ ctbase c) | |
2104 | { | |
2105 | ctbase_fixUser (c); | |
2106 | c = ctbase_realFunction (c); | |
2107 | ||
2108 | if (c->type != CT_FCN) | |
2109 | { | |
2110 | llfatalbug (message ("ctbase_argsFunction: bad call: %q", | |
2111 | ctbase_unparse (c))); | |
2112 | } | |
2113 | return (c->contents.fcn->params); | |
2114 | } | |
2115 | ||
2116 | static bool | |
2117 | ctbase_baseisExpFcn (ctype c) | |
2118 | { | |
2119 | ctbase cb; | |
2120 | c = ctype_removePointers (c); | |
2121 | ||
2122 | cb = ctype_getCtbase (c); | |
2123 | llassert (ctbase_isDefined (cb)); | |
2124 | ||
2125 | if (cb->type == CT_FCN) | |
2126 | { | |
28bf4b0b | 2127 | c = ctype_removePointers (ctype_getReturnType (c)); |
885824d3 | 2128 | |
2129 | cb = ctype_getCtbase (c); | |
2130 | llassert (ctbase_isDefined (cb)); | |
2131 | ||
2132 | return (cb->type == CT_EXPFCN); | |
2133 | } | |
2134 | return FALSE; | |
2135 | } | |
2136 | ||
2137 | /* | |
2138 | ** ctbase_newBase behaves specially when p is a CONJ: | |
2139 | ** | |
2140 | ** c -> conj (newBase (c, p.a), p.b) | |
2141 | */ | |
2142 | ||
2143 | static ctype | |
2144 | ctbase_newBase (ctype c, ctype p) | |
2145 | { | |
2146 | ctbase cb; | |
2147 | ||
2148 | DPRINTF (("New base: %s / %s", ctype_unparse (c), ctype_unparse (p))); | |
2149 | ||
28bf4b0b | 2150 | if (ctype_isUndefined (c) || ctype_isUnknown (c)) |
885824d3 | 2151 | { |
2152 | return p; | |
2153 | } | |
2154 | ||
28bf4b0b | 2155 | cb = ctype_getCtbase (c); |
2156 | ||
885824d3 | 2157 | if (ctype_isConj (p)) |
2158 | { | |
2159 | ctbase pb = ctype_getCtbase (p); | |
2160 | ||
2161 | llassert (ctbase_isDefined (pb)); | |
2162 | ||
2163 | if (pb->contents.conj->isExplicit) | |
2164 | { | |
2165 | return (ctype_makeExplicitConj (ctype_newBase (c, pb->contents.conj->a), | |
2166 | pb->contents.conj->b)); | |
2167 | ||
2168 | } | |
2169 | else | |
2170 | { | |
2171 | return (ctype_makeConj (ctype_newBase (c, pb->contents.conj->a), | |
2172 | pb->contents.conj->b)); | |
2173 | ||
2174 | } | |
2175 | } | |
2176 | ||
2177 | if (ctbase_baseisExpFcn (c)) | |
2178 | { | |
2179 | return (ctbase_newBaseExpFcn (c, p)); | |
2180 | } | |
2181 | ||
2182 | llassert (ctbase_isDefined (cb)); | |
2183 | ||
2184 | switch (cb->type) | |
2185 | { | |
2186 | case CT_UNKNOWN: | |
2187 | case CT_PRIM: | |
2188 | case CT_USER: | |
2189 | case CT_ENUM: | |
2190 | case CT_ABST: | |
2191 | case CT_STRUCT: | |
2192 | case CT_UNION: | |
2193 | case CT_EXPFCN: | |
2194 | return (p); | |
2195 | ||
2196 | case CT_PTR: | |
2197 | { | |
2198 | ctype ret; | |
2199 | ctype cbn; | |
2200 | ||
2201 | cbn = ctbase_newBase (cb->contents.base, p); | |
2202 | ret = ctype_makePointer (cbn); | |
2203 | ||
2204 | return ret; | |
2205 | } | |
2206 | case CT_FIXEDARRAY: | |
2207 | return (ctype_makeFixedArray (ctbase_newBase (cb->contents.farray->base, p), | |
2208 | cb->contents.farray->size)); | |
2209 | case CT_ARRAY: | |
2210 | return (ctype_makeArray (ctbase_newBase (cb->contents.base, p))); | |
2211 | case CT_FCN: | |
28bf4b0b | 2212 | return (ctype_makeRawFunction (ctbase_newBase (cb->contents.fcn->rval, p), |
885824d3 | 2213 | cb->contents.fcn->params)); |
2214 | case CT_CONJ: | |
2215 | return (ctype_makeConjAux (ctbase_newBase (cb->contents.conj->a, p), | |
2216 | ctbase_newBase (cb->contents.conj->b, p), | |
2217 | cb->contents.conj->isExplicit)); | |
2218 | default: | |
2219 | llcontbug (message ("ctbase_newBase: bad ctbase: %q", ctbase_unparse (cb))); | |
2220 | return (p); | |
2221 | } | |
2222 | BADEXIT; | |
2223 | } | |
2224 | ||
2225 | static ctype | |
2226 | ctbase_newBaseExpFcn (ctype c, ctype p) | |
2227 | { | |
2228 | ctbase cb = ctype_getCtbase (c); | |
2229 | ctbase tcb; | |
2230 | ctype ret, tmpct; | |
2231 | ctype fp = ctype_unknown; | |
2232 | uentryList ctargs = ctype_argsFunction (c); | |
2233 | ||
2234 | /* | |
2235 | ** okay, this is really ugly... | |
2236 | ** | |
2237 | ** pointers inside <expf> mean pointers to the function; | |
2238 | ** pointers outside <expf> are pointers to the return value; | |
2239 | ** because its a function there is one superfluous pointer. | |
2240 | */ | |
2241 | ||
2242 | /* | |
2243 | ** bf is a ctype, used to derived structure of cb | |
2244 | */ | |
2245 | ||
2246 | if (!ctbase_isFunction (cb)) | |
2247 | llbuglit ("ctbase_newBaseExpFcn: expFcn -> not a function"); | |
2248 | ||
28bf4b0b | 2249 | tmpct = ctype_getBaseType (ctype_getReturnType (c)); |
885824d3 | 2250 | |
2251 | /* | |
2252 | ** pointers before expfcn -> p are pointers to function, not result | |
2253 | ** | |
2254 | */ | |
2255 | ||
2256 | tcb = ctype_getCtbase (tmpct); | |
2257 | ||
2258 | llassert (ctbase_isDefined (tcb)); | |
2259 | tmpct = tcb->contents.base; | |
2260 | ||
2261 | /* | |
2262 | ** record pointers to base in fp | |
2263 | */ | |
2264 | ||
2265 | while (!ctype_isUnknown (tmpct)) | |
2266 | { | |
2267 | if (ctype_isExpFcn (tmpct)) { | |
2268 | ctbase ttcb = ctype_getCtbase (tmpct); | |
2269 | ||
2270 | /* | |
2271 | ** evs 2000-05-16: This is necessary to deal with function pointers in parens. | |
2272 | ** The whole function pointer parsing is a major kludge, but it seems to work, | |
2273 | ** and I'm only embarrassed by it when I haven't look at the C spec recently... | |
2274 | */ | |
2275 | ||
2276 | llassert (ctbase_isDefined (ttcb)); | |
2277 | tmpct = ttcb->contents.base; | |
2278 | llassert (!ctype_isUnknown (tmpct)); | |
2279 | } | |
2280 | ||
2281 | switch (ctype_getCtKind (tmpct)) | |
2282 | { | |
2283 | case CTK_PTR: | |
2284 | fp = ctype_makePointer (fp); | |
2285 | /*@switchbreak@*/ break; | |
2286 | case CTK_ARRAY: | |
2287 | fp = ctype_makeArray (fp); | |
2288 | /*@switchbreak@*/ break; | |
2289 | case CTK_COMPLEX: | |
2290 | { | |
2291 | ctbase fbase = ctype_getCtbase (tmpct); | |
2292 | ||
2293 | if (ctbase_isFunction (fbase)) | |
2294 | { | |
2295 | fp = ctype_makeFunction (fp, uentryList_copy (ctargs)); | |
2296 | ctargs = ctbase_argsFunction (fbase); | |
2297 | } | |
2298 | else | |
2299 | { | |
2300 | llbug | |
2301 | (message | |
2302 | ("ctbase_newBaseExpFcn: fixing expfunction: bad complex type: %s [base: %q]", | |
2303 | ctype_unparse (tmpct), ctbase_unparse (fbase))); | |
2304 | } | |
2305 | goto exitLoop; | |
2306 | } | |
2307 | default: | |
2308 | { | |
2309 | llcontbug | |
2310 | (message ("ctbase_newBaseExpFcn: fixing expfunction: bad type: %s", | |
2311 | ctype_unparse (tmpct))); | |
2312 | goto exitLoop; | |
2313 | } | |
2314 | } | |
2315 | tmpct = ctype_baseArrayPtr (tmpct); | |
2316 | } | |
2317 | ||
2318 | exitLoop: | |
28bf4b0b | 2319 | tmpct = ctype_getReturnType (c); |
885824d3 | 2320 | |
2321 | /* | |
2322 | ** pointers to expf are pointers to return value | |
2323 | */ | |
2324 | ||
2325 | while (!ctype_isExpFcn (tmpct)) | |
2326 | { | |
2327 | switch (ctype_getCtKind (tmpct)) | |
2328 | { | |
2329 | case CTK_PTR: | |
2330 | p = ctype_makePointer (p); | |
2331 | /*@switchbreak@*/ break; | |
2332 | case CTK_ARRAY: | |
2333 | p = ctype_makeArray (p); | |
2334 | /*@switchbreak@*/ break; | |
2335 | case CTK_COMPLEX: | |
2336 | { | |
2337 | ctbase fbase = ctype_getCtbase (tmpct); | |
2338 | ||
2339 | if (ctbase_isFunction (fbase)) | |
2340 | { | |
2341 | p = ctype_makeFunction (p, uentryList_copy (ctbase_argsFunction (fbase))); | |
2342 | } | |
2343 | else | |
2344 | { | |
2345 | llbug | |
2346 | (message | |
2347 | ("ctbase_newBaseExpFcn: fixing expfunction: bad complex type: %s", | |
2348 | ctype_unparse (tmpct))); | |
2349 | } | |
2350 | goto exitLoop2; | |
2351 | } | |
2352 | ||
2353 | default: | |
2354 | { | |
2355 | llcontbug | |
2356 | (message ("ctbase_newBaseExpFcn: fixing expfunction2: bad type: %t", | |
2357 | tmpct)); | |
2358 | goto exitLoop2; | |
2359 | } | |
2360 | } | |
2361 | tmpct = ctype_baseArrayPtr (tmpct); | |
2362 | } | |
2363 | ||
2364 | exitLoop2: | |
2365 | ||
2366 | /* | |
2367 | ** pointers to fp are pointers to function type | |
2368 | */ | |
2369 | ||
28bf4b0b | 2370 | ret = ctype_makeRawFunction (p, uentryList_copy (ctargs)); |
885824d3 | 2371 | |
2372 | while (ctype_getCtKind (fp) > CTK_PLAIN) | |
2373 | { | |
2374 | switch (ctype_getCtKind (fp)) | |
2375 | { | |
2376 | case CTK_PTR: | |
2377 | ret = ctype_makePointer (ret); | |
2378 | /*@switchbreak@*/ break; | |
2379 | case CTK_ARRAY: | |
2380 | ret = ctype_makeArray (ret); | |
2381 | /*@switchbreak@*/ break; | |
2382 | case CTK_COMPLEX: | |
2383 | { | |
2384 | ctbase fbase = ctype_getCtbase (fp); | |
2385 | ||
2386 | if (ctbase_isFunction (fbase)) | |
2387 | { | |
2388 | ret = | |
2389 | ctype_makeFunction (ret, | |
2390 | uentryList_copy (ctbase_argsFunction (fbase))); | |
2391 | } | |
2392 | else | |
2393 | { | |
2394 | BADBRANCH; | |
2395 | } | |
2396 | goto exitLoop3; | |
2397 | } | |
2398 | ||
2399 | default: | |
2400 | { | |
2401 | llcontbug (message ("post-fixing expfunction: bad type: %t", fp)); | |
2402 | goto exitLoop3; | |
2403 | } | |
2404 | } | |
2405 | fp = ctype_baseArrayPtr (fp); | |
2406 | } | |
2407 | ||
2408 | exitLoop3: | |
2409 | return (ret); | |
2410 | } | |
2411 | ||
2412 | /* | |
2413 | ** returns lowest level base of c: plain type | |
2414 | */ | |
2415 | ||
2416 | static /*@notnull@*/ /*@only@*/ ctbase | |
2417 | ctbase_getBaseType (/*@notnull@*/ ctbase c) | |
2418 | { | |
2419 | switch (c->type) | |
2420 | { | |
2421 | case CT_UNKNOWN: | |
2422 | case CT_PRIM: | |
2423 | case CT_USER: | |
2424 | case CT_ENUM: | |
2425 | case CT_ENUMLIST: | |
2426 | case CT_BOOL: | |
2427 | case CT_ABST: | |
2428 | case CT_FCN: | |
2429 | case CT_STRUCT: | |
2430 | case CT_UNION: | |
2431 | return (ctbase_copy (c)); | |
2432 | ||
2433 | case CT_PTR: | |
2434 | case CT_ARRAY: | |
2435 | return (ctbase_getBaseType (ctype_getCtbaseSafe (c->contents.base))); | |
2436 | ||
2437 | case CT_FIXEDARRAY: | |
2438 | return (ctbase_getBaseType (ctype_getCtbaseSafe (c->contents.farray->base))); | |
2439 | case CT_CONJ: /* base type of A conj branch? */ | |
2440 | return (ctbase_getBaseType (ctype_getCtbaseSafe (c->contents.conj->a))); | |
2441 | case CT_EXPFCN: | |
2442 | return (ctbase_copy (c)); | |
2443 | ||
2444 | default: | |
2445 | llfatalbug (message ("ctbase_getBaseType: bad ctbase: %q", ctbase_unparse (c))); | |
2446 | } | |
2447 | ||
2448 | BADEXIT; | |
2449 | } | |
2450 | ||
2451 | static int | |
2452 | ctbase_compare (ctbase c1, ctbase c2, bool strict) | |
2453 | { | |
2454 | ctuid c1tid, c2tid; | |
2455 | ||
2456 | if (ctbase_isUndefined (c1) || ctbase_isUndefined (c2)) | |
2457 | { | |
2458 | llcontbuglit ("ctbase_compare: undefined ctbase"); | |
2459 | return -1; | |
2460 | } | |
2461 | ||
2462 | c1tid = c1->type; | |
2463 | c2tid = c2->type; | |
2464 | ||
2465 | if (c1tid < c2tid) | |
2466 | return -1; | |
2467 | if (c1tid > c2tid) | |
2468 | return 1; | |
2469 | ||
2470 | switch (c1tid) | |
2471 | { | |
2472 | case CT_UNKNOWN: | |
2473 | return 0; | |
2474 | case CT_PRIM: | |
2475 | return (int_compare (c1->contents.prim, c2->contents.prim)); | |
2476 | case CT_BOOL: | |
2477 | return 0; | |
2478 | case CT_USER: | |
2479 | return (int_compare (c1->contents.tid, c2->contents.tid)); | |
2480 | case CT_ENUMLIST: | |
2481 | return 1; | |
2482 | case CT_ENUM: /* for now, keep like abstract */ | |
2483 | case CT_ABST: | |
2484 | return (int_compare (c1->contents.tid, c2->contents.tid)); | |
2485 | case CT_PTR: | |
2486 | return (ctype_compare (c1->contents.base, c2->contents.base)); | |
2487 | case CT_FIXEDARRAY: | |
2488 | INTCOMPARERETURN (c1->contents.farray->size, c2->contents.farray->size); | |
2489 | ||
2490 | return (ctype_compare (c1->contents.farray->base, | |
2491 | c2->contents.farray->base)); | |
2492 | case CT_ARRAY: | |
2493 | return (ctype_compare (c1->contents.base, c2->contents.base)); | |
2494 | case CT_FCN: | |
2495 | { | |
2496 | COMPARERETURN (ctype_compare (c1->contents.fcn->rval, c2->contents.fcn->rval)); | |
2497 | ||
2498 | if (strict) | |
2499 | { | |
2500 | return (uentryList_compareStrict (c1->contents.fcn->params, | |
2501 | c2->contents.fcn->params)); | |
2502 | } | |
2503 | else | |
2504 | { | |
2505 | return (uentryList_compareParams (c1->contents.fcn->params, | |
2506 | c2->contents.fcn->params)); | |
2507 | } | |
2508 | } | |
2509 | case CT_EXPFCN: | |
2510 | return (ctype_compare (c1->contents.base, c2->contents.base)); | |
2511 | case CT_STRUCT: | |
2512 | case CT_UNION: | |
a0a162cd | 2513 | /* evs 2000-07-28: this block was missing! */ |
2514 | if (strict) { | |
2515 | int ncmp = cstring_compare (c1->contents.su->name, | |
2516 | c2->contents.su->name); | |
2517 | ||
2518 | if (ncmp != 0) { | |
2519 | if (isFakeTag (c1->contents.su->name) | |
2520 | && isFakeTag (c2->contents.su->name)) { | |
2521 | ; /* If they are both fake struct tags, don't require match. */ | |
2522 | } else { | |
2523 | return ncmp; | |
2524 | } | |
2525 | } | |
2526 | } | |
2527 | ||
28bf4b0b | 2528 | DPRINTF (("Comparing fields: %s / %s", |
2529 | ctbase_unparse (c1), | |
2530 | ctbase_unparse (c2))); | |
2531 | ||
885824d3 | 2532 | return (uentryList_compareFields (c1->contents.su->fields, |
2533 | c2->contents.su->fields)); | |
2534 | case CT_CONJ: | |
2535 | { | |
2536 | COMPARERETURN (ctype_compare (c1->contents.conj->a, | |
2537 | c2->contents.conj->a)); | |
2538 | COMPARERETURN (ctype_compare (c1->contents.conj->b, | |
2539 | c2->contents.conj->b)); | |
2540 | return (bool_compare (c1->contents.conj->isExplicit, | |
2541 | c2->contents.conj->isExplicit)); | |
2542 | } | |
2543 | } | |
2544 | BADEXIT; | |
2545 | } | |
2546 | ||
2547 | static int | |
2548 | ctbase_compareStrict (/*@notnull@*/ ctbase c1, /*@notnull@*/ ctbase c2) | |
2549 | { | |
2550 | return (ctbase_compare (c1, c2, TRUE)); | |
2551 | } | |
2552 | ||
2553 | static bool ctbase_equivStrict (/*@notnull@*/ ctbase c1, /*@notnull@*/ ctbase c2) | |
2554 | { | |
2555 | return (ctbase_compareStrict (c1,c2) == 0); | |
2556 | } | |
2557 | ||
2558 | static bool ctbase_equiv (/*@notnull@*/ ctbase c1, /*@notnull@*/ ctbase c2) | |
2559 | { | |
2560 | return (ctbase_compare (c1, c2, FALSE) == 0); | |
2561 | } | |
2562 | ||
2563 | static bool | |
2564 | ctbase_isKind (/*@notnull@*/ ctbase c, ctuid kind) | |
2565 | { | |
2566 | ctuid ck = c->type; | |
2567 | ||
2568 | if (ck == kind) | |
2569 | return TRUE; | |
2570 | ||
2571 | if (ck == CT_CONJ) | |
2572 | return (ctbase_isKind (ctype_getCtbaseSafe (c->contents.conj->a), kind) || | |
2573 | ctbase_isKind (ctype_getCtbaseSafe (c->contents.conj->b), kind)); | |
2574 | ||
2575 | return FALSE; | |
2576 | } | |
2577 | ||
2578 | static bool | |
2579 | ctbase_isKind2 (/*@notnull@*/ ctbase c, ctuid kind1, ctuid kind2) | |
2580 | { | |
2581 | ctuid ck = c->type; | |
2582 | ||
2583 | if (ck == kind1 || ck == kind2) | |
2584 | return TRUE; | |
2585 | ||
2586 | if (ck == CT_CONJ) | |
2587 | return (ctbase_isKind2 (ctype_getCtbaseSafe (c->contents.conj->a), kind1, kind2) || | |
2588 | ctbase_isKind2 (ctype_getCtbaseSafe (c->contents.conj->b), kind1, kind2)); | |
2589 | ||
2590 | return FALSE; | |
2591 | } | |
2592 | ||
2593 | static bool | |
2594 | ctbase_isAbstract (/*@notnull@*/ ctbase c) | |
2595 | { | |
2596 | return (c->type == CT_ABST); | |
2597 | } | |
2598 | ||
2599 | static bool ctbase_isUA (ctbase c) | |
2600 | { | |
2601 | return (ctbase_isDefined (c) && ((c)->type == CT_USER || (c)->type == CT_ABST)); | |
2602 | } | |
2603 | ||
2604 | static bool | |
2605 | ctbase_almostEqual (ctbase c1, ctbase c2) | |
2606 | { | |
2607 | ctuid c1tid, c2tid; | |
2608 | ||
2609 | /* undefined types never match */ | |
2610 | ||
2611 | if (ctbase_isUndefined (c1) || ctbase_isUndefined (c2)) | |
2612 | return FALSE; | |
2613 | ||
2614 | c1tid = c1->type; | |
2615 | c2tid = c2->type; | |
2616 | ||
2617 | if (c1tid == CT_FIXEDARRAY && c2tid == CT_ARRAY) | |
2618 | { | |
2619 | return (ctbase_almostEqual (ctype_getCtbase (c1->contents.farray->base), | |
2620 | ctype_getCtbase (c2->contents.base))); | |
2621 | } | |
2622 | ||
2623 | if (c2tid == CT_FIXEDARRAY && c1tid == CT_ARRAY) | |
2624 | { | |
2625 | return (ctbase_almostEqual (ctype_getCtbase (c1->contents.base), | |
2626 | ctype_getCtbase (c2->contents.farray->base))); | |
2627 | } | |
2628 | ||
2629 | if (c1tid != c2tid) | |
2630 | return FALSE; | |
2631 | ||
2632 | switch (c1tid) | |
2633 | { | |
2634 | case CT_UNKNOWN: | |
2635 | return TRUE; | |
2636 | case CT_PRIM: | |
2637 | return (cprim_equal (c1->contents.prim, c2->contents.prim)); | |
2638 | case CT_BOOL: | |
2639 | return TRUE; | |
2640 | case CT_ABST: | |
2641 | return (typeId_equal (c1->contents.tid, c2->contents.tid)); | |
2642 | case CT_USER: | |
2643 | return (typeId_equal (c1->contents.tid, c2->contents.tid)); | |
2644 | case CT_ENUM: | |
2645 | return (cstring_equal (c1->contents.cenum->tag, c2->contents.cenum->tag)); | |
2646 | case CT_PTR: | |
2647 | return (ctype_almostEqual (c1->contents.base, c2->contents.base)); | |
2648 | case CT_FIXEDARRAY: | |
2649 | return (ctype_almostEqual (c1->contents.farray->base, | |
2650 | c2->contents.farray->base)); | |
2651 | case CT_ARRAY: | |
2652 | return (ctype_almostEqual (c1->contents.base, c2->contents.base)); | |
2653 | case CT_FCN: | |
2654 | return (ctype_almostEqual (c1->contents.fcn->rval, c2->contents.fcn->rval) | |
2655 | && uentryList_matchParams (c1->contents.fcn->params, | |
2656 | c2->contents.fcn->params, FALSE, TRUE)); | |
2657 | case CT_STRUCT: | |
2658 | case CT_UNION: | |
2659 | if (!cstring_isEmpty (c1->contents.su->name)) | |
2660 | { | |
2661 | return (cstring_equal (c1->contents.su->name, c2->contents.su->name)); | |
2662 | } | |
2663 | else | |
2664 | { | |
2665 | if (!cstring_isEmpty (c2->contents.su->name)) | |
2666 | { | |
2667 | return FALSE; | |
2668 | } | |
2669 | ||
2670 | llcontbuglit ("ctbase_almostEqual: match fields"); | |
2671 | return (FALSE); | |
2672 | } | |
2673 | default: | |
2674 | llcontbug (message ("ctbase_almostEqual: unknown type: %d\n", (int)c1tid)); | |
2675 | return (FALSE); | |
2676 | } | |
2677 | } | |
28bf4b0b | 2678 | |
2679 | /*drl added July 02, 001 | |
2680 | called by ctype_getArraySize | |
2681 | */ | |
2682 | ||
37ae0b5e | 2683 | size_t ctbase_getArraySize (ctbase ctb) |
28bf4b0b | 2684 | { |
37ae0b5e | 2685 | /*drl 1/25/2002 fixed discovered by Jim Francis */ |
0e5499ac | 2686 | ctbase r; |
28bf4b0b | 2687 | |
0e5499ac | 2688 | llassert (ctbase_isDefined (ctb) ); |
2689 | r = ctbase_realType (ctb); | |
2690 | llassert (ctbase_isFixedArray(r) ); | |
2691 | ||
0e5499ac | 2692 | return (r->contents.farray->size); |
28bf4b0b | 2693 | } |