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