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885824d3 | 1 | /* ;-*-C-*-; |
1b8ae690 | 2 | ** Splint - annotation-assisted static program checker |
c59f5181 | 3 | ** Copyright (C) 1994-2003 University of Virginia, |
1b8ae690 | 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 | |
e5081f8c | 36 | /*@function static bool ctuid_isAnyUserType (sef ctuid p_cid) @*/ |
b73d1009 | 37 | |
16c024b5 | 38 | /*@-macrofcndecl@*/ /*@-macroparams@*/ |
e5081f8c | 39 | # define ctuid_isAnyUserType(cid) \ |
40 | ((cid) == CT_ABST || (cid) == CT_USER || (cid) == CT_NUMABST) | |
16c024b5 | 41 | /*@=macrofcndecl@*/ /*@=macroparams@*/ |
e5081f8c | 42 | |
517a2db3 | 43 | /*:private:*/ typedef struct { |
885824d3 | 44 | ctkind kind; |
28bf4b0b | 45 | ctbase ctbase; |
885824d3 | 46 | ctype base; /* type I point to (or element of array) */ |
47 | ctype ptr; /* type of pointer to me */ | |
48 | ctype array; /* type of array of me */ | |
49 | cstring unparse; /* unparse me, if memoized */ | |
50 | } *ctentry ; | |
51 | ||
52 | typedef /*@only@*/ ctentry o_ctentry; | |
53 | ||
28bf4b0b | 54 | typedef struct { |
885824d3 | 55 | int size; |
56 | int nspace; | |
57 | /*@relnull@*/ /*@only@*/ o_ctentry *entries; | |
58 | /* memoize matches...maybe in context? */ | |
59 | } cttable ; | |
60 | ||
61 | extern bool ctentry_isBogus (/*@sef@*/ ctentry p_c) /*@*/; | |
62 | # define ctentry_isBogus(c) \ | |
63 | ((c)->kind == CTK_INVALID || (c)->kind == CTK_DNE) | |
64 | ||
65 | static cttable cttab = { 0, 0, NULL }; | |
66 | ||
67 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createAbstract (typeId p_u); | |
e5081f8c | 68 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createNumAbstract (typeId p_u); |
885824d3 | 69 | static /*@observer@*/ cstring ctentry_doUnparse (ctentry p_c) /*@modifies p_c@*/; |
70 | static /*@only@*/ ctentry | |
71 | ctentry_make (ctkind p_ctk, /*@keep@*/ ctbase p_c, ctype p_base, | |
72 | ctype p_ptr, ctype p_array, /*@keep@*/ cstring p_unparse); | |
73 | static /*@only@*/ ctentry ctentry_makeNew (ctkind p_ctk, /*@only@*/ ctbase p_c); | |
74 | static /*@only@*/ cstring ctentry_unparse (ctentry p_c) /*@*/ ; | |
75 | ||
76 | static void cttable_grow (void); | |
77 | static ctype cttable_addDerived (ctkind p_ctk, /*@keep@*/ ctbase p_cnew, ctype p_base); | |
78 | static ctype cttable_addFull (/*@keep@*/ ctentry p_cnew); | |
79 | static bool ctentry_isInteresting (ctentry p_c) /*@*/; | |
37ae0b5e | 80 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_makeFixedArray (ctype p_b, size_t p_size) /*@*/ ; |
d5047b91 | 81 | static bool ctbase_isAnytype (/*@notnull@*/ ctbase p_b) /*@*/ ; |
885824d3 | 82 | |
83 | /* | |
84 | ** These are file-static macros (used in ctype.c). No way to | |
85 | ** declare them as static in C. | |
86 | */ | |
87 | ||
88 | /*@-allmacros@*/ /*@-macrospec@*/ /*@-namechecks@*/ | |
89 | # define ctentry_getBase(c) ((c)->base) | |
90 | # define ctentry_getKind(c) ((c)->kind) | |
91 | # define ctentry_getArray(c) ((c)->array) | |
92 | # define ctentry_getPtr(c) ((c)->ptr) | |
93 | # define ctentry_isArray(c) ((c)->kind == CTK_ARRAY) | |
94 | # define ctentry_isComplex(c) ((c)->kind == CTK_COMPLEX) | |
95 | # define ctentry_isPlain(c) ((c)->kind == CTK_PLAIN) | |
96 | # define ctentry_isPointer(c) ((c)->kind == CTK_PTR) | |
97 | # define ctentry_setArray(c,b) ((c)->array = (b)) | |
98 | # define ctentry_setPtr(c,b) ((c)->ptr = (b)) | |
99 | ||
100 | # define ctbase_fixUser(c) (c = ctbase_realType(c)) | |
101 | /*@=allmacros@*/ /*@=macrospec@*/ /*@=namechecks@*/ | |
102 | ||
103 | static ctype cttable_addComplex (/*@notnull@*/ /*@only@*/ ctbase p_cnew); | |
104 | static /*@observer@*/ ctbase ctype_getCtbase (ctype p_c) /*@*/ ; | |
105 | static ctype ctype_makeConjAux (ctype p_c1, ctype p_c2, bool p_isExplicit) /*@*/ ; | |
106 | static /*@notnull@*/ /*@observer@*/ ctbase ctype_getCtbaseSafe (ctype p_c) /*@*/ ; | |
107 | static /*@observer@*/ ctentry ctype_getCtentry (ctype p_c) /*@*/ ; | |
108 | static /*@observer@*/ /*@notnull@*/ ctbase | |
109 | ctbase_realType (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
110 | static bool ctbase_isPointer (/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
111 | static bool ctbase_isEitherArray (/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
112 | static /*@observer@*/ enumNameList ctbase_elist (ctbase p_c) /*@*/ ; | |
113 | static /*@only@*/ cstring ctbase_unparse (ctbase p_c) /*@*/ ; | |
114 | static /*@only@*/ cstring ctbase_unparseDeep (ctbase p_c) /*@*/ ; | |
115 | static /*@only@*/ /*@notnull@*/ ctbase ctbase_copy (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
116 | static void ctbase_free (/*@only@*/ ctbase p_c); | |
117 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createPrim (cprim p_p) /*@*/ ; | |
118 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createBool (void) /*@*/ ; | |
119 | static /*@notnull@*/ /*@observer@*/ ctbase ctbase_getBool (void) /*@*/ ; | |
120 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createUser (typeId p_u) /*@*/ ; | |
121 | ||
122 | static /*@notnull@*/ /*@only@*/ ctbase | |
123 | ctbase_createStruct (/*@only@*/ cstring p_n, /*@only@*/ uentryList p_f); | |
124 | ||
125 | static /*@notnull@*/ /*@only@*/ ctbase | |
126 | ctbase_createUnion (/*@keep@*/ cstring p_n, /*@only@*/ uentryList p_f); | |
127 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createEnum (/*@keep@*/ cstring p_etag, /*@keep@*/ enumNameList p_emembers); | |
128 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_createUnknown (void); | |
129 | static bool ctbase_match (ctbase p_c1, ctbase p_c2) /*@modifies nothing@*/; | |
130 | static bool ctbase_matchDef (ctbase p_c1, ctbase p_c2) /*@modifies nothing@*/; | |
a0a162cd | 131 | static bool ctbase_genMatch (ctbase p_c1, ctbase p_c2, bool p_force, bool p_arg, bool p_def, bool p_deep); |
885824d3 | 132 | static bool ctbase_isAbstract (/*@notnull@*/ ctbase p_c) /*@*/ ; |
133 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_makePointer (ctype p_b) /*@*/ ; | |
134 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_makeArray (ctype p_b) /*@*/ ; | |
135 | static /*@notnull@*/ ctype | |
136 | ctbase_makeFunction (ctype p_b, /*@only@*/ uentryList p_p) /*@*/ ; | |
885824d3 | 137 | static /*@notnull@*/ /*@observer@*/ ctbase |
138 | ctbase_realFunction (/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
139 | static ctype ctbase_baseArrayPtr (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
140 | static ctype ctbase_baseFunction (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
141 | static /*@observer@*/ uentryList ctbase_argsFunction (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
142 | static /*@observer@*/ uentryList ctbase_getuentryList (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
143 | static ctype ctbase_newBase (ctype p_c, ctype p_p) /*@*/ ; | |
144 | static ctype ctbase_newBaseExpFcn (ctype p_c, ctype p_p) /*@*/ ; | |
145 | static bool ctbase_isFixedArray (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
146 | ||
147 | /*@-macroundef@*/ | |
148 | extern int cttable_lastIndex(); | |
149 | # define cttable_lastIndex() (cttab.size - 1) | |
150 | /*@=macroundef@*/ | |
151 | ||
28bf4b0b | 152 | typedef struct |
885824d3 | 153 | { |
154 | ctype rval; | |
28bf4b0b | 155 | /*@only@*/ uentryList params; |
885824d3 | 156 | } *cfcn; |
157 | ||
28bf4b0b | 158 | typedef struct |
885824d3 | 159 | { |
160 | cstring name; | |
161 | uentryList fields; | |
162 | } *tsu; | |
163 | ||
28bf4b0b | 164 | typedef struct |
885824d3 | 165 | { |
166 | ctype a; | |
167 | ctype b; | |
168 | bool isExplicit; | |
169 | } *tconj; | |
170 | ||
28bf4b0b | 171 | typedef struct |
885824d3 | 172 | { |
173 | cstring tag; | |
174 | enumNameList members; | |
175 | } *tenum; | |
176 | ||
28bf4b0b | 177 | typedef struct |
885824d3 | 178 | { |
179 | ctype base; | |
37ae0b5e | 180 | size_t size; |
885824d3 | 181 | } *tfixed; |
182 | ||
28bf4b0b | 183 | typedef union |
885824d3 | 184 | { |
185 | cprim prim; /* primitive */ | |
186 | typeId tid; /* abstract, user */ | |
187 | ctype base; /* ptr, array */ | |
188 | cfcn fcn; /* function */ | |
189 | tsu su; /* struct union */ | |
190 | tenum cenum; /* enum */ | |
191 | tconj conj; /* conj */ | |
192 | tfixed farray; /* fixed array */ | |
193 | } uconts; | |
194 | ||
28bf4b0b | 195 | struct s_ctbase |
885824d3 | 196 | { |
197 | ctuid type; | |
198 | uconts contents; | |
199 | } ; | |
200 | ||
201 | static /*@falsenull@*/ bool ctbase_isUA (ctbase p_c) /*@*/ ; | |
202 | static bool ctbase_isBaseUA(ctbase p_c) /*@*/ ; | |
203 | static typeId ctbase_typeBaseUid(ctbase p_c) /*@*/ ; | |
204 | static bool ctbase_isKind (/*@notnull@*/ ctbase p_c, ctuid p_kind) /*@*/ ; | |
205 | static bool ctbase_isKind2 (/*@notnull@*/ ctbase p_c, ctuid p_kind1, ctuid p_kind2) /*@*/ ; | |
206 | static /*@only@*/ /*@notnull@*/ ctbase | |
207 | ctbase_getBaseType (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
208 | ||
209 | static /*@falsenull@*/ bool ctbase_isFunction(ctbase p_c) /*@*/ ; | |
210 | ||
211 | /*@constant null ctbase ctbase_undefined; @*/ | |
212 | # define ctbase_undefined ((ctbase)0) | |
213 | ||
214 | static /*@owned@*/ ctbase ctbase_bool = ctbase_undefined; | |
215 | static /*@owned@*/ ctbase ctbase_unknown = ctbase_undefined; | |
216 | ||
217 | static /*@falsenull@*/ bool ctbase_isDefined (ctbase c) /*@*/ | |
218 | { | |
219 | return ((c) != ctbase_undefined); | |
220 | } | |
221 | ||
222 | static /*@truenull@*/ bool ctbase_isUndefined (ctbase c) | |
223 | { | |
224 | return ((c) == ctbase_undefined); | |
225 | } | |
226 | ||
227 | static ctkind ctype_getCtKind (ctype c) | |
228 | { | |
229 | ctentry ce = ctype_getCtentry (c); | |
230 | ||
231 | return ctentry_getKind (ce); | |
232 | } | |
233 | ||
234 | static bool ctbase_isUser (ctbase c) | |
235 | { | |
236 | if (ctbase_isDefined (c)) | |
237 | { | |
238 | return (ctbase_isKind (c, CT_USER)); | |
239 | } | |
240 | else | |
241 | { | |
242 | return FALSE; | |
243 | } | |
244 | } | |
245 | ||
246 | static bool ctbase_isEnum (ctbase c) | |
247 | { | |
248 | if (ctbase_isDefined (c)) | |
249 | { | |
250 | return (ctbase_isKind (c, CT_ENUM)); | |
251 | } | |
252 | else | |
253 | { | |
254 | return FALSE; | |
255 | } | |
256 | } | |
257 | ||
258 | static bool ctbase_isExpFcn (ctbase c) | |
259 | { | |
260 | if (ctbase_isDefined (c)) | |
261 | { | |
262 | return (c->type == CT_EXPFCN); | |
263 | } | |
264 | else | |
265 | { | |
266 | return FALSE; | |
267 | } | |
268 | } | |
269 | ||
270 | static /*@falsenull@*/ bool ctbase_isConj (ctbase c) | |
271 | { | |
272 | if (ctbase_isDefined (c)) | |
273 | { | |
274 | return (c->type == CT_CONJ); | |
275 | } | |
276 | else | |
277 | { | |
278 | return FALSE; | |
279 | } | |
280 | } | |
281 | ||
282 | static bool ctuid_isAP (ctuid c) /*@*/ | |
283 | { | |
284 | return (c == CT_ARRAY || c == CT_PTR); | |
285 | } | |
286 | ||
287 | static typeId ctbase_typeId (ctbase p_c); | |
288 | static /*@only@*/ cstring ctbase_dump (ctbase p_c); | |
86d93ed3 | 289 | static /*@only@*/ ctbase ctbase_undump (char **p_c) /*@requires maxRead(*p_c) >= 2 @*/; |
885824d3 | 290 | static int ctbase_compare (ctbase p_c1, ctbase p_c2, bool p_strict); |
291 | static bool ctbase_matchArg (ctbase p_c1, ctbase p_c2); | |
292 | static /*@notnull@*/ /*@only@*/ ctbase | |
293 | ctbase_makeConj (ctype p_c1, ctype p_c2, bool p_isExplicit) /*@*/ ; | |
294 | static ctype ctbase_getConjA (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
295 | static ctype ctbase_getConjB (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
296 | static bool ctbase_isExplicitConj (/*@notnull@*/ ctbase p_c) /*@*/ ; | |
a0a162cd | 297 | static bool ctbase_forceMatch (ctbase p_c1, ctbase p_c2) /*@modifies p_c1, p_c2@*/ ; |
885824d3 | 298 | static /*@notnull@*/ /*@only@*/ ctbase ctbase_expectFunction (ctype p_c); |
299 | static bool ctbase_isVoidPointer(/*@notnull@*/ /*@dependent@*/ ctbase p_c) /*@*/ ; | |
28bf4b0b | 300 | static bool ctbase_isUnion (/*@notnull@*/ /*@temp@*/ ctbase p_c) /*@*/ ; |
301 | static bool ctbase_isStruct (/*@notnull@*/ /*@temp@*/ ctbase p_c) /*@*/ ; | |
885824d3 | 302 | static /*@observer@*/ cstring ctbase_enumTag (/*@notnull@*/ ctbase p_ct) /*@*/ ; |
303 | static /*@only@*/ cstring ctbase_unparseNotypes (ctbase p_c) /*@*/ ; | |
304 | ||
305 | static /*@out@*/ /*@notnull@*/ /*@only@*/ ctbase ctbase_new (void) /*@*/ ; | |
306 | static int nctbases = 0; | |
307 | ||
308 | static /*@notnull@*/ /*@only@*/ | |
28bf4b0b | 309 | ctbase ctbase_makeLiveFunction (ctype p_b, /*@only@*/ uentryList p_p); |
310 | ||
311 | static bool ctbase_isUnnamedSU (ctbase c) | |
312 | { | |
313 | return (ctbase_isDefined (c) | |
314 | && (ctbase_isStruct (c) || ctbase_isUnion (c)) | |
315 | && isFakeTag (c->contents.su->name)); | |
316 | } | |
885824d3 | 317 | |
318 | static /*@observer@*/ ctbase ctbase_realType (ctbase c) | |
319 | { | |
320 | if (ctbase_isUA (c)) | |
321 | { | |
322 | typeId uid = ctbase_typeId (c); | |
323 | ||
324 | if (usymtab_isBoolType (uid)) | |
325 | { | |
326 | return ctbase_getBool (); | |
327 | } | |
328 | else | |
329 | { | |
330 | ctbase ret = ctype_getCtbase | |
331 | (uentry_getRealType (usymtab_getTypeEntry (ctbase_typeId (c)))); | |
332 | ||
333 | llassert (ret != ctbase_undefined); | |
334 | return ret; | |
335 | } | |
336 | } | |
337 | else | |
338 | { | |
339 | return c; | |
340 | } | |
341 | } | |
342 | ||
343 | static bool | |
344 | ctbase_isVoidPointer (/*@dependent@*/ /*@notnull@*/ ctbase c) | |
345 | { | |
346 | ctbase r = ctbase_realType (c); | |
347 | ||
348 | return (ctbase_isKind (r, CT_PTR) && | |
349 | ctype_isVoid (r->contents.base)); | |
350 | } | |
351 | ||
352 | static bool | |
353 | ctbase_isPointer (/*@notnull@*/ /*@dependent@*/ ctbase c) | |
354 | { | |
355 | ctbase r = ctbase_realType (c); | |
356 | ||
357 | return (ctbase_isKind (r, CT_PTR)); | |
358 | } | |
359 | ||
360 | static bool | |
361 | ctbase_isEitherArray (/*@notnull@*/ ctbase c) | |
362 | { | |
363 | ctbase r = ctbase_realType (c); | |
364 | ||
365 | return (ctbase_isKind (r, CT_ARRAY) | |
366 | || ctbase_isKind (r, CT_FIXEDARRAY)); | |
367 | } | |
368 | ||
369 | static bool | |
370 | ctbase_isFixedArray (/*@notnull@*/ ctbase c) | |
371 | { | |
372 | ctbase r = ctbase_realType (c); | |
373 | ||
374 | return (ctbase_isKind (r, CT_FIXEDARRAY)); | |
375 | } | |
376 | ||
377 | static bool | |
378 | ctbase_isStruct (/*@notnull@*/ ctbase c) | |
379 | { | |
380 | ctbase r = ctbase_realType (c); | |
381 | ||
382 | return (ctbase_isKind (r, CT_STRUCT)); | |
383 | } | |
384 | ||
385 | static bool | |
28bf4b0b | 386 | ctbase_isUnion (/*@notnull@*/ ctbase c) |
885824d3 | 387 | { |
388 | ctbase r = ctbase_realType (c); | |
389 | ||
390 | return (ctbase_isKind (r, CT_UNION)); | |
391 | } | |
392 | ||
393 | /* | |
394 | ** clean this up -> typeTable should store ctype | |
395 | */ | |
396 | ||
397 | static typeId | |
398 | ctbase_typeBaseUid (ctbase c) | |
399 | { | |
400 | ctuid ct; | |
401 | ||
402 | if (ctbase_isDefined (c)) | |
403 | { | |
404 | ct = c->type; | |
405 | ||
406 | if (ctuid_isAP (ct)) | |
407 | { | |
408 | return ctbase_typeBaseUid (ctype_getCtbase (c->contents.base)); | |
409 | } | |
e5081f8c | 410 | else if (ct == CT_USER || ct == CT_ABST || ct == CT_NUMABST) |
885824d3 | 411 | { |
412 | return c->contents.tid; | |
413 | } | |
414 | else if (ct == CT_FIXEDARRAY) | |
415 | { | |
416 | return ctbase_typeBaseUid (ctype_getCtbase (c->contents.farray->base)); | |
417 | } | |
418 | else | |
419 | { | |
420 | llcontbuglit ("ctbase_typeBaseUid: bad call"); | |
421 | return typeId_invalid; | |
422 | } | |
423 | } | |
424 | return typeId_invalid; | |
425 | } | |
426 | ||
427 | static bool | |
428 | ctbase_isBaseUA (ctbase c) | |
429 | { | |
430 | ctuid ct; | |
431 | ||
432 | if (ctbase_isDefined (c)) | |
433 | { | |
434 | ct = c->type; | |
435 | ||
436 | if (ctuid_isAP (ct)) | |
437 | { | |
438 | return ctbase_isBaseUA (ctype_getCtbase (c->contents.base)); | |
439 | } | |
440 | else if (ct == CT_FIXEDARRAY) | |
441 | { | |
442 | return ctbase_isBaseUA (ctype_getCtbase (c->contents.farray->base)); | |
443 | } | |
444 | else | |
e5081f8c | 445 | return (ct == CT_USER || ct == CT_ABST || ct == CT_NUMABST); |
885824d3 | 446 | } |
447 | return FALSE; | |
448 | } | |
449 | ||
450 | static typeId | |
451 | ctbase_typeId (ctbase c) | |
452 | { | |
453 | if (ctbase_isUA (c)) | |
454 | { | |
455 | return c->contents.tid; | |
456 | } | |
457 | else | |
458 | { | |
28bf4b0b | 459 | if (ctbase_isConj (c)) |
460 | { | |
207dd908 | 461 | if (ctype_isUA (ctbase_getConjA (c))) { |
462 | return ctbase_typeId (ctype_getCtbase (ctbase_getConjA (c))); | |
463 | } else if (ctype_isUA (ctbase_getConjB (c))) { | |
464 | return ctbase_typeId (ctype_getCtbase (ctbase_getConjB (c))); | |
465 | } else { | |
466 | llcontbug (message ("ctbase_typeId: bad call: %q", ctbase_unparse (c))); | |
467 | return typeId_invalid; | |
468 | } | |
28bf4b0b | 469 | } |
470 | else | |
471 | { | |
472 | llcontbug (message ("ctbase_typeId: bad call: %q", ctbase_unparse (c))); | |
473 | return typeId_invalid; | |
474 | } | |
885824d3 | 475 | } |
476 | } | |
477 | ||
478 | static /*@only@*/ cstring | |
479 | ctbase_unparse (ctbase c) | |
480 | { | |
481 | if (ctbase_isUndefined (c)) { | |
482 | return cstring_makeLiteral ("<<undef>>"); | |
483 | } | |
484 | ||
485 | switch (c->type) | |
486 | { | |
487 | case CT_UNKNOWN: | |
488 | return cstring_makeLiteral ("?"); | |
489 | case CT_BOOL: | |
490 | return cstring_copy (context_printBoolName ()); | |
491 | case CT_PRIM: | |
492 | return (cprim_unparse (c->contents.prim)); | |
493 | case CT_USER: | |
885824d3 | 494 | case CT_ABST: |
e5081f8c | 495 | case CT_NUMABST: |
885824d3 | 496 | return (usymtab_getTypeEntryName (c->contents.tid)); |
497 | case CT_EXPFCN: | |
498 | return (message ("<expf: %t>", c->contents.base)); | |
499 | case CT_PTR: | |
500 | /* no spaces for multiple pointers */ | |
501 | ||
502 | if (ctype_isPointer (c->contents.base)) | |
503 | { | |
504 | return (cstring_appendChar (cstring_copy (ctype_unparse (c->contents.base)), '*')); | |
505 | } | |
506 | else | |
507 | { | |
508 | return (message ("%t *", c->contents.base)); | |
509 | } | |
510 | case CT_FIXEDARRAY: | |
f9e62f40 | 511 | /* |
512 | ** C prints out array declarations backwards, if | |
513 | ** base is an array need to print out in reverse order. | |
514 | */ | |
515 | ||
516 | if (ctype_isArray (c->contents.farray->base)) | |
517 | { | |
518 | ctype base = c->contents.farray->base; | |
519 | cstring res = message ("[%d]", (int) c->contents.farray->size); | |
520 | ||
521 | while (ctype_isArray (base)) | |
522 | { | |
523 | if (ctype_isFixedArray (base)) | |
524 | { | |
525 | res = message ("%q[%d]", | |
526 | res, (int) ctype_getArraySize (base)); | |
527 | } | |
528 | else | |
529 | { | |
530 | res = message ("%q[]", res); | |
531 | } | |
532 | ||
533 | base = ctype_baseArrayPtr (base); | |
534 | } | |
535 | ||
536 | return (message ("%t %q", base, res)); | |
537 | } | |
538 | else | |
539 | { | |
540 | return (message ("%t [%d]", | |
541 | c->contents.farray->base, | |
542 | (int) c->contents.farray->size)); | |
543 | } | |
885824d3 | 544 | case CT_ARRAY: |
f9e62f40 | 545 | if (ctype_isArray (c->contents.base)) |
546 | { | |
547 | ctype base = c->contents.base; | |
548 | cstring res = cstring_makeLiteral ("[]"); | |
549 | ||
550 | while (ctype_isArray (base)) | |
551 | { | |
552 | if (ctype_isFixedArray (base)) | |
553 | { | |
554 | res = message ("%q[%d]", | |
555 | res, (int) ctype_getArraySize (base)); | |
556 | } | |
557 | else | |
558 | { | |
559 | res = message ("%q[]", res); | |
560 | } | |
561 | ||
562 | base = ctype_baseArrayPtr (base); | |
563 | } | |
564 | ||
565 | return (message ("%t %q", base, res)); | |
566 | ||
567 | } | |
568 | else | |
569 | { | |
570 | return (message ("%t []", c->contents.base)); | |
571 | } | |
885824d3 | 572 | case CT_FCN: |
573 | return (message ("[function (%q) returns %t]", | |
574 | uentryList_unparseParams (c->contents.fcn->params), | |
575 | c->contents.fcn->rval)); | |
576 | case CT_STRUCT: | |
577 | if (cstring_isDefined (c->contents.su->name) && | |
578 | !cstring_isEmpty (c->contents.su->name) && | |
579 | !isFakeTag (c->contents.su->name)) | |
580 | { | |
581 | return (message ("struct %s", c->contents.su->name)); | |
582 | } | |
583 | else | |
584 | { | |
28bf4b0b | 585 | return (message ("struct { %q }", |
586 | uentryList_unparseAbbrev (c->contents.su->fields))); | |
885824d3 | 587 | } |
588 | case CT_UNION: | |
589 | if (cstring_isDefined (c->contents.su->name) && | |
590 | !cstring_isEmpty (c->contents.su->name) && | |
591 | !isFakeTag (c->contents.su->name)) | |
592 | { | |
593 | return (message ("union %s", c->contents.su->name)); | |
594 | } | |
595 | else | |
596 | { | |
597 | return (message ("union { %q }", | |
598 | uentryList_unparseAbbrev (c->contents.su->fields))); | |
599 | } | |
600 | case CT_ENUM: | |
601 | if (isFakeTag (c->contents.cenum->tag)) | |
602 | { | |
603 | return (message ("enum { %q }", | |
604 | enumNameList_unparseBrief (c->contents.cenum->members))); | |
605 | } | |
606 | else | |
607 | { | |
608 | return (message ("enum %s { %q }", | |
609 | c->contents.cenum->tag, | |
610 | enumNameList_unparseBrief (c->contents.cenum->members))); | |
611 | } | |
612 | case CT_CONJ: | |
d5047b91 | 613 | if (ctbase_isAnytype (c)) |
614 | { | |
615 | return (cstring_makeLiteral ("<any>")); | |
616 | } | |
617 | else if (c->contents.conj->isExplicit || context_getFlag (FLG_SHOWALLCONJS)) | |
885824d3 | 618 | { |
619 | if (!ctype_isSimple (c->contents.conj->a) || | |
620 | !ctype_isSimple (c->contents.conj->b)) | |
621 | { | |
622 | return (message ("<%t> | <%t>", c->contents.conj->a, c->contents.conj->b)); | |
623 | } | |
624 | else | |
625 | { | |
626 | return (message ("%t | %t", c->contents.conj->a, c->contents.conj->b)); | |
627 | } | |
628 | } | |
629 | else | |
630 | { | |
631 | return (cstring_copy (ctype_unparse (c->contents.conj->a))); | |
632 | } | |
633 | BADDEFAULT; | |
634 | } | |
635 | BADEXIT; | |
636 | } | |
637 | ||
638 | static /*@only@*/ cstring | |
639 | ctbase_unparseDeep (ctbase c) | |
640 | { | |
641 | if (ctbase_isUndefined (c)) | |
642 | { | |
643 | return cstring_makeLiteral ("<<undef>>"); | |
644 | } | |
645 | ||
646 | switch (c->type) | |
647 | { | |
648 | case CT_UNKNOWN: | |
649 | return cstring_makeLiteral ("?"); | |
650 | case CT_BOOL: | |
651 | return cstring_copy (context_printBoolName ()); | |
652 | case CT_PRIM: | |
653 | return (cprim_unparse (c->contents.prim)); | |
654 | case CT_ENUM: | |
655 | if (cstring_isNonEmpty (c->contents.cenum->tag)) | |
656 | { | |
657 | return (message ("enum %s { %q }", | |
658 | c->contents.cenum->tag, | |
659 | enumNameList_unparse (c->contents.cenum->members))); | |
660 | } | |
661 | else | |
662 | { | |
663 | return (message ("enum { %q }", | |
664 | enumNameList_unparse (c->contents.cenum->members))); | |
665 | } | |
666 | case CT_USER: | |
885824d3 | 667 | case CT_ABST: |
e5081f8c | 668 | case CT_NUMABST: |
885824d3 | 669 | return (usymtab_getTypeEntryName (c->contents.tid)); |
670 | case CT_EXPFCN: | |
671 | return (message ("<expf: %t>", c->contents.base)); | |
672 | case CT_PTR: | |
673 | return (message ("%t *", c->contents.base)); | |
674 | case CT_FIXEDARRAY: | |
675 | return (message ("%t [%d]", c->contents.farray->base, | |
676 | (int) c->contents.farray->size)); | |
677 | case CT_ARRAY: | |
678 | return (message ("%t []", c->contents.base)); | |
679 | case CT_FCN: | |
680 | return (message ("[function (%q) returns %t]", | |
681 | uentryList_unparse (c->contents.fcn->params), | |
682 | c->contents.fcn->rval)); | |
683 | case CT_STRUCT: | |
684 | return (message ("struct %s { ... } ", c->contents.su->name)); | |
685 | case CT_UNION: | |
686 | return (message ("union %s { ... }", c->contents.su->name)); | |
687 | case CT_CONJ: | |
d5047b91 | 688 | if (ctbase_isAnytype (c)) |
689 | { | |
690 | return (cstring_makeLiteral ("<any>")); | |
691 | } | |
692 | else | |
693 | { | |
694 | return (message ("%t", c->contents.conj->a)); | |
695 | } | |
885824d3 | 696 | BADDEFAULT; |
697 | } | |
698 | BADEXIT; | |
699 | } | |
700 | ||
701 | static /*@only@*/ cstring | |
702 | ctbase_unparseNotypes (ctbase c) | |
703 | { | |
704 | llassert (ctbase_isDefined (c)); | |
705 | ||
706 | switch (c->type) | |
707 | { | |
708 | case CT_UNKNOWN: | |
709 | return cstring_makeLiteral ("?"); | |
710 | case CT_BOOL: | |
711 | return cstring_copy (context_printBoolName ()); | |
712 | case CT_PRIM: | |
713 | return (cprim_unparse (c->contents.prim)); | |
714 | case CT_ENUM: | |
715 | if (typeId_isInvalid (c->contents.tid)) | |
716 | { | |
717 | return cstring_makeLiteral ("enum"); | |
718 | } | |
719 | else | |
720 | { | |
721 | return (message ("T#%d", c->contents.tid)); | |
722 | } | |
723 | case CT_USER: | |
724 | return (message ("uT#%d", c->contents.tid)); | |
725 | case CT_ABST: | |
726 | return (message ("aT#%d", c->contents.tid)); | |
e5081f8c | 727 | case CT_NUMABST: |
728 | return (message ("nT#%d", c->contents.tid)); | |
885824d3 | 729 | case CT_EXPFCN: |
730 | return (message ("<expf: %q >", ctbase_unparseNotypes (ctype_getCtbase (c->contents.base)))); | |
731 | case CT_PTR: | |
732 | return (message ("%q *", ctbase_unparseNotypes (ctype_getCtbase (c->contents.base)))); | |
733 | case CT_ARRAY: | |
734 | return (message ("%q []", ctbase_unparseNotypes (ctype_getCtbase (c->contents.base)))); | |
735 | case CT_FCN: | |
736 | return (message ("[function (%d) returns %q]", uentryList_size (c->contents.fcn->params), | |
737 | ctbase_unparseNotypes (ctype_getCtbase (c->contents.fcn->rval)))); | |
738 | case CT_STRUCT: | |
739 | return (message ("struct %s", c->contents.su->name)); | |
740 | case CT_UNION: | |
741 | return (message ("union %s", c->contents.su->name)); | |
742 | case CT_ENUMLIST: | |
743 | return (message ("[enumlist]")); | |
744 | case CT_CONJ: | |
d5047b91 | 745 | if (ctbase_isAnytype (c)) |
746 | { | |
747 | return (cstring_makeLiteral ("<any>")); | |
748 | } | |
749 | else | |
750 | { | |
751 | return (message ("%q/%q", | |
752 | ctbase_unparseNotypes (ctype_getCtbase (c->contents.conj->a)), | |
753 | ctbase_unparseNotypes (ctype_getCtbase (c->contents.conj->b)))); | |
754 | } | |
885824d3 | 755 | BADDEFAULT; |
756 | } | |
757 | BADEXIT; | |
758 | } | |
759 | ||
760 | static /*@only@*/ cstring | |
761 | ctbase_unparseDeclaration (ctbase c, /*@only@*/ cstring name) /*@*/ | |
762 | { | |
763 | if (ctbase_isUndefined (c)) | |
764 | { | |
765 | return name; | |
766 | } | |
767 | ||
768 | switch (c->type) | |
769 | { | |
770 | case CT_UNKNOWN: | |
771 | return (message ("? %q", name)); | |
772 | case CT_BOOL: | |
773 | return (message ("%s %q", context_printBoolName (), name)); | |
774 | case CT_PRIM: | |
775 | return (message ("%q %q", cprim_unparse (c->contents.prim), name)); | |
776 | case CT_USER: | |
777 | case CT_ABST: | |
e5081f8c | 778 | case CT_NUMABST: |
885824d3 | 779 | return (message ("%q %q", usymtab_getTypeEntryName (c->contents.tid), name)); |
780 | case CT_EXPFCN: | |
781 | llcontbuglit ("ctbase_unparseDeclaration: expfcn"); | |
782 | return name; | |
783 | case CT_PTR: | |
784 | if (ctype_isFunction (c->contents.base)) | |
785 | { | |
786 | return ctbase_unparseDeclaration (ctype_getCtbase (c->contents.base), name); | |
787 | } | |
788 | else | |
789 | { | |
790 | cstring s = cstring_prependChar ('*', name); | |
791 | cstring ret = ctbase_unparseDeclaration (ctype_getCtbase (c->contents.base), s); | |
792 | cstring_free (name); | |
793 | return (ret); | |
794 | } | |
795 | case CT_FIXEDARRAY: | |
796 | return (message ("%q[%d]", | |
797 | ctbase_unparseDeclaration (ctype_getCtbase (c->contents.farray->base), name), | |
798 | (int) c->contents.farray->size)); | |
799 | case CT_ARRAY: | |
800 | return (message ("%q[]", | |
801 | ctbase_unparseDeclaration (ctype_getCtbase (c->contents.base), name))); | |
802 | case CT_FCN: | |
803 | { | |
804 | cstring s = message ("%q(%q)", name, | |
805 | uentryList_unparseParams (c->contents.fcn->params)); | |
806 | ||
807 | return (ctbase_unparseDeclaration | |
808 | (ctype_getCtbase (c->contents.fcn->rval), s)); | |
809 | } | |
810 | case CT_STRUCT: | |
811 | if (cstring_isDefined (c->contents.su->name) && | |
812 | !cstring_isEmpty (c->contents.su->name) && | |
813 | !isFakeTag (c->contents.su->name)) | |
814 | { | |
815 | return (message ("struct %s %q", c->contents.su->name, name)); | |
816 | } | |
817 | else | |
818 | { | |
819 | return (message ("struct { %q } %q", | |
820 | uentryList_unparseAbbrev (c->contents.su->fields), | |
821 | name)); | |
822 | } | |
823 | case CT_UNION: | |
824 | if (cstring_isDefined (c->contents.su->name) && | |
825 | !cstring_isEmpty (c->contents.su->name) && | |
826 | !isFakeTag (c->contents.su->name)) | |
827 | { | |
828 | return (message ("union %s %q", c->contents.su->name, name)); | |
829 | } | |
830 | else | |
831 | { | |
832 | return (message ("union { %q } %q", | |
833 | uentryList_unparseAbbrev (c->contents.su->fields), | |
834 | name)); | |
835 | } | |
836 | case CT_ENUM: | |
837 | if (isFakeTag (c->contents.cenum->tag)) | |
838 | { | |
839 | return (message ("enum { %q } %q", | |
840 | enumNameList_unparseBrief (c->contents.cenum->members), | |
841 | name)); | |
842 | } | |
843 | else | |
844 | { | |
845 | return (message ("enum %s { %q } %q", | |
846 | c->contents.cenum->tag, | |
847 | enumNameList_unparseBrief (c->contents.cenum->members), | |
848 | name)); | |
849 | } | |
d5047b91 | 850 | case CT_CONJ: |
851 | if (ctbase_isAnytype (c)) | |
852 | { | |
853 | return (message ("<any> %q", name)); | |
854 | } | |
855 | else if (c->contents.conj->isExplicit || context_getFlag (FLG_SHOWALLCONJS)) | |
885824d3 | 856 | { |
857 | if (!ctype_isSimple (c->contents.conj->a) || | |
858 | !ctype_isSimple (c->contents.conj->b)) | |
859 | { | |
860 | cstring name1 = cstring_copy (name); | |
861 | ||
862 | return | |
863 | (message | |
864 | ("<%q> | <%q>", | |
865 | ctbase_unparseDeclaration | |
866 | (ctype_getCtbase (c->contents.conj->a), name1), | |
867 | ctbase_unparseDeclaration | |
868 | (ctype_getCtbase (c->contents.conj->b), name))); | |
869 | } | |
870 | else | |
871 | { | |
872 | cstring s1 = ctbase_unparseDeclaration (ctype_getCtbase (c->contents.conj->a), | |
873 | cstring_copy (name)); | |
874 | return | |
875 | (message ("%q | %q", s1, | |
876 | ctbase_unparseDeclaration (ctype_getCtbase (c->contents.conj->b), | |
877 | name))); | |
878 | } | |
879 | } | |
880 | else | |
881 | { | |
882 | cstring_free (name); | |
883 | return (cstring_copy (ctype_unparse (c->contents.conj->a))); | |
884 | } | |
885 | BADDEFAULT; | |
886 | } | |
887 | BADEXIT; | |
888 | } | |
889 | ||
86d93ed3 | 890 | static ctbase ctbase_undump (d_char *c) /*@requires maxRead(*c) >= 2 @*/ |
885824d3 | 891 | { |
892 | ctbase res; | |
893 | char p = **c; | |
894 | ||
895 | (*c)++; | |
896 | ||
897 | switch (p) | |
898 | { | |
899 | case '?': | |
900 | return (ctbase_undefined); | |
901 | case 'u': | |
902 | return (ctbase_createUnknown ()); | |
903 | case 'b': | |
904 | return (ctbase_createBool ()); | |
905 | case 'p': | |
28bf4b0b | 906 | res = ctbase_createPrim (cprim_fromInt (reader_getInt (c))); |
907 | reader_checkChar (c, '|'); | |
885824d3 | 908 | return res; |
909 | case 's': | |
28bf4b0b | 910 | res = ctbase_createUser (typeId_fromInt (reader_getInt (c))); |
911 | reader_checkChar (c, '|'); | |
885824d3 | 912 | return res; |
913 | case 'a': | |
28bf4b0b | 914 | res = ctbase_createAbstract (typeId_fromInt (reader_getInt (c))); |
915 | reader_checkChar (c, '|'); | |
885824d3 | 916 | return res; |
e5081f8c | 917 | case 'n': |
918 | res = ctbase_createNumAbstract (typeId_fromInt (reader_getInt (c))); | |
919 | reader_checkChar (c, '|'); | |
920 | return res; | |
885824d3 | 921 | case 't': |
922 | res = ctbase_makePointer (ctype_undump (c)); | |
28bf4b0b | 923 | reader_checkChar (c, '|'); |
885824d3 | 924 | return res; |
925 | case 'y': | |
926 | res = ctbase_makeArray (ctype_undump (c)); | |
28bf4b0b | 927 | reader_checkChar (c, '|'); |
885824d3 | 928 | return res; |
929 | case 'F': | |
930 | { | |
931 | ctype ct = ctype_undump (c); | |
37ae0b5e | 932 | size_t size; |
885824d3 | 933 | |
28bf4b0b | 934 | reader_checkChar (c, '/'); |
37ae0b5e | 935 | size = size_fromInt (reader_getInt (c)); |
28bf4b0b | 936 | reader_checkChar (c, '|'); |
885824d3 | 937 | return (ctbase_makeFixedArray (ct, size)); |
938 | } | |
939 | case 'f': | |
940 | { | |
941 | ctype ct; | |
942 | char *lp = strchr (*c, '('); | |
943 | ||
944 | llassertfatal (lp != NULL); | |
945 | ||
946 | *lp = '\0'; | |
947 | ct = ctype_undump (c); | |
948 | *c = lp + 1; | |
949 | ||
950 | return (ctbase_makeLiveFunction (ct, uentryList_undump (c))); | |
951 | } | |
952 | case 'S': | |
953 | { | |
954 | uentryList fields; | |
955 | ctbase ctb; | |
956 | char *sname; | |
957 | char *lc = strchr (*c, '{'); | |
958 | ||
959 | llassert (lc != NULL); | |
960 | *lc = '\0'; | |
961 | ||
962 | sname = mstring_copy (*c); | |
963 | ||
964 | *c = lc + 1; | |
965 | ||
966 | if (*sname == '!') | |
967 | { | |
968 | unsigned int i; | |
969 | ||
970 | i = (unsigned) atoi (sname + 1); | |
971 | ||
972 | setTagNo (i); | |
973 | } | |
974 | ||
975 | fields = uentryList_undumpFields (c, g_currentloc); | |
976 | ||
977 | ctb = ctbase_createStruct (cstring_fromCharsO (sname), fields); | |
978 | return ctb; | |
979 | } | |
980 | case 'U': | |
981 | { | |
982 | char *sname; | |
983 | char *lc = strchr (*c, '{'); | |
984 | ||
985 | llassert (lc != NULL); | |
986 | ||
987 | *lc = '\0'; | |
988 | sname = mstring_copy (*c); | |
989 | llassert (sname != NULL); | |
990 | ||
991 | *c = lc + 1; | |
992 | ||
993 | if (*sname == '!') | |
994 | { | |
995 | unsigned int i; | |
996 | ||
997 | i = (unsigned) atoi (sname + 1); | |
998 | setTagNo (i); | |
999 | } | |
1000 | ||
1001 | return (ctbase_createUnion (cstring_fromCharsO (sname), | |
1002 | uentryList_undumpFields (c, g_currentloc))); | |
1003 | } | |
1004 | case 'e': | |
1005 | { | |
1006 | ctbase ret; | |
1007 | char *sname; | |
1008 | char *lc = strchr (*c, '{'); | |
1009 | ||
1010 | llassert (lc != NULL); | |
1011 | ||
1012 | *lc = '\0'; | |
1013 | sname = mstring_copy (*c); | |
1014 | *c = lc + 1; | |
1015 | ||
1016 | if (*sname == '!') | |
1017 | { | |
1018 | unsigned int i; | |
1019 | ||
1020 | i = (unsigned) atoi (sname + 1); | |
1021 | setTagNo (i); | |
1022 | } | |
1023 | ||
1024 | ret = ctbase_createEnum (cstring_fromCharsO (sname), | |
1025 | enumNameList_undump (c)); | |
1026 | return ret; | |
1027 | } | |
1028 | case 'C': | |
1029 | { | |
1030 | bool isExplicit; | |
1031 | ctype c1, c2; | |
1032 | ||
28bf4b0b | 1033 | isExplicit = bool_fromInt (reader_getInt (c)); |
1034 | reader_checkChar (c, '.'); | |
885824d3 | 1035 | c1 = ctype_undump (c); |
28bf4b0b | 1036 | reader_checkChar (c, '/'); |
885824d3 | 1037 | c2 = ctype_undump (c); |
28bf4b0b | 1038 | reader_checkChar (c, '|'); |
885824d3 | 1039 | |
1040 | return (ctbase_makeConj (c1, c2, isExplicit)); | |
1041 | } | |
1042 | ||
1043 | default: | |
1044 | (*c)--; | |
1045 | llerror (FLG_SYNTAX, | |
1046 | message ("Bad Library line (type): %s", cstring_fromChars (*c))); | |
1047 | ||
86d93ed3 | 1048 | /*drl bee: pbr*/ while (**c != '\0') |
885824d3 | 1049 | { |
1050 | (*c)++; | |
1051 | } | |
1052 | ||
1053 | return ctbase_createUnknown (); | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | /* first letter of c encodes type: */ | |
1058 | /* u unknown */ | |
1059 | /* b bool */ | |
1060 | /* p prim */ | |
1061 | /* e enum */ | |
1062 | /* l enumList */ | |
1063 | /* s uSer */ | |
1064 | /* a abstract */ | |
1065 | /* t poinTer */ | |
1066 | /* y arraY */ | |
1067 | /* F Fixed array */ | |
1068 | /* f function */ | |
1069 | /* S structure */ | |
1070 | /* U union */ | |
1071 | /* C conj */ | |
1072 | ||
1073 | static /*@only@*/ cstring | |
1074 | ctbase_dump (ctbase c) | |
1075 | { | |
1076 | if (!ctbase_isDefined (c)) | |
1077 | { | |
1078 | return cstring_makeLiteral ("?"); | |
1079 | } | |
1080 | ||
1081 | switch (c->type) | |
1082 | { | |
1083 | case CT_UNKNOWN: | |
1084 | return cstring_makeLiteral ("u"); | |
1085 | case CT_BOOL: | |
1086 | return cstring_makeLiteral ("b"); | |
1087 | case CT_PRIM: | |
1088 | return (message ("p%d|", c->contents.prim)); | |
1089 | case CT_USER: | |
b73d1009 | 1090 | return (message ("s%d|", usymtab_convertTypeId (c->contents.tid))); |
885824d3 | 1091 | case CT_ABST: |
b73d1009 | 1092 | return (message ("a%d|", usymtab_convertTypeId (c->contents.tid))); |
e5081f8c | 1093 | case CT_NUMABST: |
b73d1009 | 1094 | return (message ("n%d|", usymtab_convertTypeId (c->contents.tid))); |
885824d3 | 1095 | case CT_PTR: |
1096 | return (message ("t%q|", ctype_dump (c->contents.base))); | |
1097 | case CT_ARRAY: | |
1098 | return (message ("y%q|", ctype_dump (c->contents.base))); | |
1099 | case CT_FIXEDARRAY: | |
1100 | return (message ("F%q/%d|", | |
1101 | ctype_dump (c->contents.farray->base), | |
1102 | (int) c->contents.farray->size)); | |
1103 | case CT_FCN: | |
28bf4b0b | 1104 | DPRINTF (("Dump function: %s", ctbase_unparse (c))); |
885824d3 | 1105 | return (message ("f%q (%q)", ctype_dump (c->contents.fcn->rval), |
1106 | uentryList_dumpParams (c->contents.fcn->params))); | |
1107 | case CT_STRUCT: | |
1108 | return (message ("S%s{%q}", c->contents.su->name, | |
1109 | uentryList_dumpFields (c->contents.su->fields))); | |
1110 | case CT_UNION: | |
1111 | return (message ("U%s{%q}", c->contents.su->name, | |
1112 | uentryList_dumpFields (c->contents.su->fields))); | |
1113 | case CT_ENUM: | |
1114 | { | |
1115 | cstring s; | |
1116 | ||
1117 | if (cstring_isNonEmpty (c->contents.cenum->tag)) | |
1118 | { | |
1119 | s = message ("e%s{%q}", | |
1120 | c->contents.cenum->tag, | |
1121 | enumNameList_dump (c->contents.cenum->members)); | |
1122 | } | |
1123 | else | |
1124 | { | |
1125 | s = message ("e{%q}", | |
1126 | enumNameList_dump (c->contents.cenum->members)); | |
1127 | } | |
1128 | return (s); | |
1129 | } | |
1130 | case CT_CONJ: | |
1131 | return (message ("C%d.%q/%q|", | |
1132 | bool_toInt (c->contents.conj->isExplicit), | |
1133 | ctype_dump (c->contents.conj->a), | |
1134 | ctype_dump (c->contents.conj->b))); | |
1135 | case CT_EXPFCN: | |
1136 | /* should clean them up! */ | |
1137 | return (cstring_makeLiteral ("?")); | |
1138 | case CT_ENUMLIST: | |
1139 | llcontbug (message ("Cannot dump: %q", ctbase_unparse (c))); | |
1140 | return (message ("u")); | |
1141 | BADDEFAULT; | |
1142 | } | |
1143 | ||
1144 | BADEXIT; | |
1145 | } | |
1146 | ||
1147 | static /*@only@*/ ctbase | |
1148 | ctbase_copy (/*@notnull@*/ ctbase c) | |
1149 | { | |
1150 | switch (c->type) | |
1151 | { | |
1152 | case CT_UNKNOWN: | |
1153 | return (ctbase_createUnknown ()); | |
1154 | case CT_BOOL: | |
1155 | return (ctbase_createBool ()); | |
1156 | case CT_ENUM: | |
1157 | return (ctbase_createEnum (cstring_copy (c->contents.cenum->tag), | |
1158 | enumNameList_copy (c->contents.cenum->members))); | |
1159 | case CT_PRIM: | |
1160 | return (ctbase_createPrim (c->contents.prim)); | |
1161 | case CT_USER: | |
1162 | return (ctbase_createUser (c->contents.tid)); | |
1163 | case CT_ABST: | |
1164 | return (ctbase_createAbstract (c->contents.tid)); | |
e5081f8c | 1165 | case CT_NUMABST: |
1166 | return (ctbase_createNumAbstract (c->contents.tid)); | |
885824d3 | 1167 | case CT_EXPFCN: |
1168 | return (ctbase_expectFunction (c->contents.base)); | |
1169 | case CT_PTR: | |
1170 | return (ctbase_makePointer (c->contents.base)); | |
1171 | case CT_ARRAY: | |
1172 | return (ctbase_makeArray (c->contents.base)); | |
1173 | case CT_FCN: | |
1174 | return (ctbase_makeLiveFunction (c->contents.fcn->rval, | |
1175 | uentryList_copy (c->contents.fcn->params))); | |
1176 | case CT_STRUCT: | |
1177 | return (ctbase_createStruct (cstring_copy (c->contents.su->name), | |
1178 | uentryList_copy (c->contents.su->fields))); | |
1179 | case CT_UNION: | |
1180 | return (ctbase_createUnion (cstring_copy (c->contents.su->name), | |
1181 | uentryList_copy (c->contents.su->fields))); | |
1182 | case CT_CONJ: | |
1183 | /*@i@*/ return (c); /* not a real copy for conj's */ | |
1184 | default: | |
1185 | llbug (message ("ctbase_copy: %q", ctbase_unparse (c))); | |
1186 | } | |
1187 | ||
1188 | BADEXIT; | |
1189 | } | |
1190 | ||
1191 | static enumNameList | |
1192 | ctbase_elist (ctbase c) | |
1193 | { | |
1194 | llassert (ctbase_isDefined (c)); | |
1195 | llassert (c->type == CT_ENUM); | |
1196 | ||
1197 | return (c->contents.cenum->members); | |
1198 | } | |
1199 | ||
1200 | static void | |
1201 | ctbase_free (/*@only@*/ ctbase c) | |
1202 | { | |
1203 | if (c == ctbase_bool || c == ctbase_unknown) | |
1204 | { | |
1205 | /*@-mustfree@*/ return; /*@=mustfree@*/ | |
1206 | } | |
1207 | ||
1208 | --nctbases; | |
1209 | ||
1210 | ||
1211 | if (ctbase_isDefined (c)) | |
1212 | { | |
1213 | switch (c->type) | |
1214 | { | |
1215 | case CT_UNKNOWN: | |
1216 | sfree (c); | |
1217 | break; | |
1218 | case CT_PRIM: | |
1219 | sfree (c); | |
1220 | break; | |
1221 | case CT_ENUM: | |
1222 | sfree (c); | |
1223 | break; | |
1224 | case CT_ENUMLIST: | |
1225 | /* sfree list? */ | |
1226 | sfree (c); | |
1227 | break; | |
1228 | case CT_USER: | |
885824d3 | 1229 | case CT_ABST: |
e5081f8c | 1230 | case CT_NUMABST: |
885824d3 | 1231 | sfree (c); |
1232 | break; | |
1233 | case CT_PTR: | |
1234 | case CT_ARRAY: | |
1235 | sfree (c); | |
1236 | break; | |
1237 | case CT_FCN: | |
b73d1009 | 1238 | /* Cannot free params: uentryList_free (c->contents.fcn->params); */ |
1239 | uentryList_freeShallow (c->contents.fcn->params); | |
885824d3 | 1240 | sfree (c); |
1241 | break; | |
1242 | case CT_STRUCT: | |
1243 | case CT_UNION: | |
1244 | cstring_free (c->contents.su->name); | |
1245 | uentryList_free (c->contents.su->fields); | |
1246 | sfree (c); | |
1247 | break; | |
1248 | case CT_CONJ: | |
1249 | /* Don't bree conj's, */ | |
1250 | break; | |
1251 | default: | |
1252 | sfree (c); | |
1253 | break; | |
1254 | } | |
1255 | } | |
1256 | } | |
1257 | ||
1258 | /* | |
1259 | ** c should be * <unknown> | |
1260 | */ | |
1261 | ||
1262 | static /*@only@*/ ctbase | |
1263 | ctbase_expectFunction (ctype c) | |
1264 | { | |
1265 | ctbase f = ctbase_new (); | |
1266 | ||
1267 | f->type = CT_EXPFCN; | |
1268 | f->contents.base = c; | |
1269 | ||
1270 | return (f); | |
1271 | } | |
1272 | ||
e8b84478 | 1273 | static bool |
abd7f895 | 1274 | ctbase_isExpectFunction (/*@notnull@*/ ctbase ct) /*@*/ |
e8b84478 | 1275 | { |
1276 | return (ct->type == CT_EXPFCN); | |
1277 | } | |
1278 | ||
1279 | static ctype | |
abd7f895 | 1280 | ctbase_getExpectFunction (/*@notnull@*/ ctbase ct) |
e8b84478 | 1281 | { |
1282 | llassert (ctbase_isExpectFunction (ct)); | |
1283 | return ct->contents.base; | |
1284 | } | |
1285 | ||
885824d3 | 1286 | static bool |
a0a162cd | 1287 | ctbase_genMatch (ctbase c1, ctbase c2, bool force, bool arg, bool def, bool deep) |
885824d3 | 1288 | { |
1289 | ctuid c1tid, c2tid; | |
1290 | ||
1291 | /* undefined types never match */ | |
1292 | ||
1293 | if (ctbase_isUndefined (c1) || ctbase_isUndefined (c2)) | |
1294 | return FALSE; | |
1295 | ||
1296 | /* abstract types match user types of same name */ | |
1297 | ||
1298 | c1 = ctbase_realType (c1); | |
1299 | c2 = ctbase_realType (c2); | |
1300 | ||
a0a162cd | 1301 | DPRINTF (("Matching: %s / %s", ctbase_unparse (c1), |
1302 | ctbase_unparse (c2))); | |
1303 | ||
885824d3 | 1304 | c1tid = c1->type; |
1305 | c2tid = c2->type; | |
1306 | ||
1307 | if (c1tid == CT_CONJ) | |
1308 | { | |
1309 | return (ctbase_genMatch (ctype_getCtbase (c1->contents.conj->a), c2, | |
a0a162cd | 1310 | force, arg, def, deep) |
885824d3 | 1311 | || ctbase_genMatch (ctype_getCtbase (c1->contents.conj->b), c2, |
a0a162cd | 1312 | force, arg, def, deep)); |
885824d3 | 1313 | } |
1314 | ||
1315 | if (c2tid == CT_CONJ) | |
1316 | { | |
1317 | return (ctbase_genMatch (c1, ctype_getCtbase (c2->contents.conj->a), | |
a0a162cd | 1318 | force, arg, def, deep) |
885824d3 | 1319 | || ctbase_genMatch (c1, ctype_getCtbase (c2->contents.conj->b), |
a0a162cd | 1320 | force, arg, def, deep)); |
885824d3 | 1321 | } |
1322 | ||
1323 | /* | |
1324 | ** if the types don't match, there are some special cases... | |
1325 | */ | |
1326 | ||
1327 | if (c1tid != c2tid) | |
1328 | { | |
1329 | /* unknowns match anything */ | |
1330 | ||
1331 | if (c1tid == CT_UNKNOWN || c2tid == CT_UNKNOWN) | |
1332 | { | |
1333 | return TRUE; | |
1334 | } | |
1335 | ||
1336 | if (c1tid == CT_FIXEDARRAY | |
1337 | && (c2tid == CT_ARRAY || (!def && c2tid == CT_PTR))) | |
1338 | { | |
1339 | if (ctype_isVoid (c2->contents.base)) | |
1340 | { | |
1341 | return (context_getFlag (FLG_ABSTVOIDP) || | |
1342 | (!(ctype_isRealAbstract (c1->contents.farray->base)) && | |
1343 | !(ctype_isRealAbstract (c2->contents.base)))); | |
1344 | } | |
1345 | ||
1346 | return (ctbase_genMatch (ctype_getCtbase (c1->contents.farray->base), | |
1347 | ctype_getCtbase (c2->contents.base), | |
a0a162cd | 1348 | force, arg, def, deep)); |
885824d3 | 1349 | } |
1350 | ||
1351 | ||
1352 | if (c2tid == CT_FIXEDARRAY | |
1353 | && (c1tid == CT_ARRAY || (!def && c1tid == CT_PTR))) | |
1354 | { | |
1355 | if (ctype_isVoid (c1->contents.base)) | |
1356 | { | |
1357 | return (context_getFlag (FLG_ABSTVOIDP) || | |
1358 | (!(ctype_isRealAbstract (c2->contents.farray->base)) && | |
1359 | !(ctype_isRealAbstract (c1->contents.base)))); | |
1360 | } | |
1361 | ||
1362 | return (ctbase_genMatch (ctype_getCtbase (c1->contents.base), | |
1363 | ctype_getCtbase (c2->contents.farray->base), | |
a0a162cd | 1364 | force, arg, def, deep)); |
885824d3 | 1365 | } |
1366 | ||
a0a162cd | 1367 | /* evs 2000-07-25: Bool's may match user/abstract types */ |
1368 | ||
885824d3 | 1369 | if ((c1tid == CT_BOOL |
1370 | && (c2tid == CT_PRIM && cprim_isInt (c2->contents.prim))) || | |
1371 | (c2tid == CT_BOOL | |
1372 | && (c1tid == CT_PRIM && cprim_isInt (c1->contents.prim)))) | |
1373 | { | |
1374 | return (context_msgBoolInt ()); | |
1375 | } | |
1376 | ||
e5081f8c | 1377 | if ((c1tid == CT_BOOL && (ctuid_isAnyUserType (c2tid)))) { |
a0a162cd | 1378 | ctype t2c = c2->contents.base; |
a0a162cd | 1379 | return (ctype_isBool (t2c)); |
1380 | } | |
1381 | ||
e5081f8c | 1382 | if ((c2tid == CT_BOOL && (ctuid_isAnyUserType (c1tid)))) { |
a0a162cd | 1383 | ctype t1c = c1->contents.base; |
1384 | ||
1385 | return (ctype_isBool (t1c)); | |
1386 | } | |
1387 | ||
885824d3 | 1388 | if ((c1tid == CT_ENUM |
1389 | && (c2tid == CT_PRIM && cprim_isInt (c2->contents.prim))) || | |
1390 | (c2tid == CT_ENUM | |
1391 | && (c1tid == CT_PRIM && cprim_isInt (c1->contents.prim)))) | |
1392 | { | |
1393 | return (context_msgEnumInt ()); | |
1394 | } | |
1395 | ||
1396 | /* | |
1397 | ** arrays and pointers...yuk! | |
1398 | ** | |
1399 | ** Considered equivalent except in definitions. | |
1400 | ** (e.g., function parameters are equivalent) | |
1401 | ** | |
1402 | */ | |
1403 | ||
1404 | if (!def) | |
1405 | { | |
1406 | if (ctuid_isAP (c1tid) && ctuid_isAP (c2tid)) | |
1407 | { | |
1408 | c2tid = c1tid; | |
1409 | } | |
1410 | } | |
1411 | ||
1412 | /* | |
1413 | ** Function pointers can be removed. | |
1414 | ** | |
1415 | ** [function ..] is equivalent to [function ..] * | |
1416 | */ | |
1417 | ||
1418 | if (c1tid == CT_PTR && c2tid == CT_FCN) | |
1419 | { | |
1420 | if (ctype_isFunction (ctype_realType (c1->contents.base))) | |
1421 | { | |
1422 | c1 = ctbase_realType (ctype_getCtbaseSafe (c1->contents.base)); | |
1423 | c1tid = c1->type; | |
1424 | } | |
1425 | } | |
1426 | ||
1427 | if (c2tid == CT_PTR && c1tid == CT_FCN) | |
1428 | { | |
1429 | if (ctype_isFunction (ctype_realType (c2->contents.base))) | |
1430 | { | |
1431 | c2 = ctbase_realType (ctype_getCtbaseSafe (c2->contents.base)); | |
1432 | c2tid = c2->type; | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | /* | |
1437 | ** we allow forward declarations to structures like, | |
1438 | ** | |
1439 | ** typedef struct _t *t; | |
1440 | ** | |
1441 | ** to allow, | |
1442 | ** struct _t * to match t | |
1443 | */ | |
1444 | ||
1445 | if (context_getFlag (FLG_FORWARDDECL)) | |
1446 | { | |
e5081f8c | 1447 | if (ctuid_isAnyUserType (c1tid)) |
885824d3 | 1448 | { |
1449 | if (ctuid_isAP (c2tid)) | |
1450 | { | |
1451 | ctype ts = c2->contents.base; | |
1452 | ||
1453 | if (ctype_isUA (ts)) | |
1454 | { | |
1455 | typeId ttid = ctype_typeId (ts); | |
1456 | typeId ctid = c1->contents.tid ; | |
1457 | ||
1458 | if (usymtab_matchForwardStruct (ctid, ttid)) | |
1459 | { | |
1460 | return TRUE; | |
1461 | } | |
1462 | } | |
1463 | } | |
1464 | } | |
1465 | ||
e5081f8c | 1466 | if (ctuid_isAnyUserType (c2tid)) |
885824d3 | 1467 | { |
1468 | if (ctuid_isAP (c1tid)) | |
1469 | { | |
1470 | ctype ts = c1->contents.base; | |
1471 | ||
1472 | if (ctype_isUA (ts)) | |
1473 | { | |
1474 | typeId ttid = ctype_typeId (ts); | |
1475 | typeId ctid = c2->contents.tid ; | |
1476 | ||
1477 | if (usymtab_matchForwardStruct (ctid, ttid)) | |
1478 | { | |
1479 | return TRUE; | |
1480 | } | |
1481 | } | |
1482 | } | |
1483 | } | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | if (c1tid != c2tid) | |
1488 | return FALSE; | |
1489 | ||
1490 | switch (c1tid) | |
1491 | { | |
1492 | case CT_UNKNOWN: | |
1493 | return (TRUE); | |
1494 | case CT_PRIM: | |
a0a162cd | 1495 | if (deep) { |
1496 | return (cprim_closeEnoughDeep (c1->contents.prim, c2->contents.prim)); | |
1497 | } else { | |
1498 | return (cprim_closeEnough (c1->contents.prim, c2->contents.prim)); | |
1499 | } | |
885824d3 | 1500 | case CT_BOOL: |
1501 | return (TRUE); | |
1502 | case CT_ABST: | |
e5081f8c | 1503 | case CT_NUMABST: |
885824d3 | 1504 | case CT_USER: |
1505 | return (typeId_equal (c1->contents.tid, c2->contents.tid)); | |
1506 | case CT_ENUM: | |
1507 | return (cstring_equal (c1->contents.cenum->tag, c2->contents.cenum->tag)); | |
1508 | case CT_PTR: | |
1509 | if (ctype_isVoid (c1->contents.base) | |
1510 | || (ctype_isVoid (c2->contents.base))) | |
1511 | { | |
1512 | if (ctype_isFunction (ctype_realType (c1->contents.base)) | |
1513 | || ctype_isFunction (ctype_realType (c2->contents.base))) | |
1514 | { | |
1515 | return (!context_getFlag (FLG_CASTFCNPTR)); | |
1516 | } | |
1517 | else | |
1518 | { | |
1519 | return (context_getFlag (FLG_ABSTVOIDP) || | |
1520 | (!(ctype_isRealAbstract (c1->contents.base)) && | |
1521 | !(ctype_isRealAbstract (c2->contents.base)))); | |
1522 | } | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | /* Only allow one implicit function pointer. */ | |
1527 | ||
1528 | if (!bool_equal (ctype_isRealPointer (c1->contents.base), | |
1529 | ctype_isRealPointer (c2->contents.base)) | |
1530 | && (ctype_isRealFunction (c1->contents.base) | |
1531 | || ctype_isRealFunction (c2->contents.base))) | |
1532 | { | |
1533 | return FALSE; | |
1534 | } | |
a0a162cd | 1535 | |
885824d3 | 1536 | return (ctype_genMatch (c1->contents.base, |
a0a162cd | 1537 | c2->contents.base, force, arg, def, TRUE)); |
885824d3 | 1538 | } |
1539 | case CT_FIXEDARRAY: | |
1540 | if (ctype_isVoid (c1->contents.farray->base) | |
1541 | || ctype_isVoid (c2->contents.farray->base)) | |
1542 | return TRUE; | |
1543 | return (ctype_genMatch (c1->contents.farray->base, | |
1544 | c2->contents.farray->base, | |
a0a162cd | 1545 | force, arg, def, deep)); |
885824d3 | 1546 | case CT_ARRAY: |
1547 | if (ctype_isVoid (c1->contents.base) || ctype_isVoid (c2->contents.base)) | |
1548 | return TRUE; | |
a0a162cd | 1549 | return (ctype_genMatch (c1->contents.base, c2->contents.base, force, arg, def, TRUE)); |
885824d3 | 1550 | case CT_FCN: |
1551 | return (ctype_genMatch (c1->contents.fcn->rval, | |
1552 | c2->contents.fcn->rval, | |
a0a162cd | 1553 | force, arg, def, TRUE) |
885824d3 | 1554 | && uentryList_matchParams (c1->contents.fcn->params, |
1555 | c2->contents.fcn->params, | |
1556 | force, TRUE)); | |
1557 | case CT_STRUCT: | |
1558 | case CT_UNION: | |
a0a162cd | 1559 | DPRINTF (("Struct: %s / %s", |
1560 | c1->contents.su->name, | |
1561 | c2->contents.su->name)); | |
1562 | ||
28bf4b0b | 1563 | if (isFakeTag (c1->contents.su->name) |
1564 | && isFakeTag (c2->contents.su->name)) | |
885824d3 | 1565 | { |
28bf4b0b | 1566 | /* Both fake tags, check structure */ |
1567 | if (cstring_equal (c1->contents.su->name, c2->contents.su->name)) | |
1568 | { | |
1569 | return TRUE; | |
1570 | } | |
1571 | else | |
1572 | { | |
1573 | return uentryList_matchFields (c1->contents.su->fields, | |
1574 | c2->contents.su->fields); | |
1575 | } | |
885824d3 | 1576 | } |
1577 | else | |
1578 | { | |
28bf4b0b | 1579 | if (!cstring_isEmpty (c1->contents.su->name)) |
885824d3 | 1580 | { |
28bf4b0b | 1581 | return (cstring_equal (c1->contents.su->name, c2->contents.su->name)); |
1582 | } | |
1583 | else | |
1584 | { | |
1585 | if (!cstring_isEmpty (c2->contents.su->name)) | |
1586 | { | |
1587 | return FALSE; | |
1588 | } | |
1589 | ||
1590 | llcontbuglit ("ctbase_genMatch: match fields"); | |
1591 | return (FALSE); | |
885824d3 | 1592 | } |
885824d3 | 1593 | } |
1594 | default: | |
1595 | llcontbug (message ("ctbase_genMatch: unknown type: %d\n", (int)c1tid)); | |
1596 | return (FALSE); | |
1597 | } | |
1598 | } | |
1599 | ||
1600 | /* | |
1601 | ** like ctbase_match, except for conjuncts: | |
1602 | ** modifies conjuncts to match only | |
1603 | */ | |
1604 | ||
1605 | static bool | |
a0a162cd | 1606 | ctbase_forceMatch (ctbase c1, ctbase c2) /*@modifies c1, c2@*/ |
885824d3 | 1607 | { |
a0a162cd | 1608 | return (ctbase_genMatch (c1, c2, TRUE, FALSE, FALSE, FALSE)); |
885824d3 | 1609 | } |
1610 | ||
1611 | static bool | |
1612 | ctbase_match (ctbase c1, ctbase c2) /*@modifies nothing@*/ | |
1613 | { | |
a0a162cd | 1614 | return (ctbase_genMatch (c1, c2, FALSE, FALSE, FALSE, FALSE)); |
885824d3 | 1615 | } |
1616 | ||
1617 | static bool | |
1618 | ctbase_matchDef (ctbase c1, ctbase c2) /*@modifies nothing@*/ | |
1619 | { | |
a0a162cd | 1620 | return (ctbase_genMatch (c1, c2, FALSE, FALSE, TRUE, FALSE)); |
885824d3 | 1621 | } |
1622 | ||
1623 | static bool | |
1624 | ctbase_matchArg (ctbase c1, ctbase c2) | |
1625 | { | |
a0a162cd | 1626 | return (ctbase_genMatch (c1, c2, FALSE, TRUE, FALSE, FALSE)); |
885824d3 | 1627 | } |
1628 | ||
1629 | static /*@out@*/ /*@only@*/ /*@notnull@*/ ctbase | |
1630 | ctbase_new () | |
1631 | { | |
1632 | ctbase c = (ctbase) dmalloc (sizeof (*c)); | |
1633 | ||
1634 | nctbases++; | |
1635 | /* | |
1636 | if (nctbases % 100 == 0 && nctbases > lastnc) | |
1637 | { | |
1638 | llmsg (message ("ctbases: %d", nctbases)); | |
1639 | lastnc = nctbases; | |
1640 | } | |
1641 | */ | |
1642 | return (c); | |
1643 | } | |
1644 | ||
1645 | static /*@only@*/ ctbase | |
1646 | ctbase_createPrim (cprim p) | |
1647 | { | |
1648 | ctbase c = ctbase_new (); | |
1649 | ||
1650 | c->type = CT_PRIM; | |
1651 | c->contents.prim = p; | |
1652 | ||
1653 | return (c); | |
1654 | } | |
1655 | ||
1656 | static /*@observer@*/ ctbase | |
1657 | ctbase_getBool (void) | |
1658 | { | |
1659 | /*@i@*/ return ctbase_createBool (); | |
1660 | } | |
1661 | ||
1662 | static ctbase | |
1663 | ctbase_createBool () | |
1664 | { | |
1665 | if (!ctbase_isDefined (ctbase_bool)) | |
1666 | { | |
1667 | ctbase_bool = ctbase_new (); | |
1668 | ctbase_bool->type = CT_BOOL; | |
1669 | ctbase_bool->contents.prim = CTX_BOOL; | |
1670 | } | |
1671 | ||
1672 | /*@-retalias@*/ /*@-globstate@*/ | |
1673 | return ctbase_bool; | |
1674 | /*@=retalias@*/ /*@=globstate@*/ | |
1675 | } | |
1676 | ||
1677 | static /*@only@*/ ctbase | |
1678 | ctbase_createUser (typeId u) | |
1679 | { | |
1680 | ctbase c = ctbase_new (); | |
1681 | ||
1682 | c->type = CT_USER; | |
1683 | c->contents.tid = u; | |
1684 | ||
1685 | llassert (typeId_isValid (u)); | |
1686 | ||
1687 | return (c); | |
1688 | } | |
1689 | ||
1690 | static /*@only@*/ ctbase | |
1691 | ctbase_createEnum (/*@keep@*/ cstring etag, /*@keep@*/ enumNameList emembers) | |
1692 | { | |
1693 | ctbase c = ctbase_new (); | |
1694 | ||
1695 | c->type = CT_ENUM; | |
1696 | ||
1697 | if (cstring_isUndefined (etag)) | |
1698 | { | |
1699 | llcontbuglit ("Undefined enum tag!"); | |
1700 | etag = fakeTag (); | |
1701 | } | |
1702 | ||
1703 | c->contents.cenum = (tenum) dmalloc (sizeof (*c->contents.cenum)); | |
1704 | c->contents.cenum->tag = etag; | |
1705 | c->contents.cenum->members = emembers; | |
1706 | ||
1707 | return (c); | |
1708 | } | |
1709 | ||
1710 | static /*@observer@*/ cstring | |
1711 | ctbase_enumTag (/*@notnull@*/ ctbase ct) | |
1712 | { | |
1713 | return (ct->contents.cenum->tag); | |
1714 | } | |
1715 | ||
1716 | static /*@only@*/ ctbase | |
1717 | ctbase_createAbstract (typeId u) | |
1718 | { | |
1719 | ctbase c = ctbase_new (); | |
1720 | ||
1721 | c->type = CT_ABST; | |
1722 | c->contents.tid = u; | |
1723 | ||
1724 | /* also check its abstract? */ | |
1725 | ||
1726 | llassert (typeId_isValid (c->contents.tid)); | |
1727 | ||
1728 | return (c); | |
1729 | } | |
1730 | ||
e5081f8c | 1731 | static /*@only@*/ ctbase |
1732 | ctbase_createNumAbstract (typeId u) | |
1733 | { | |
1734 | ctbase c = ctbase_new (); | |
1735 | ||
1736 | c->type = CT_NUMABST; | |
1737 | c->contents.tid = u; | |
1738 | ||
1739 | /* also check its abstract? */ | |
1740 | ||
1741 | llassert (typeId_isValid (c->contents.tid)); | |
1742 | return (c); | |
1743 | } | |
1744 | ||
885824d3 | 1745 | static /*@only@*/ ctbase |
1746 | ctbase_createUnknown (void) | |
1747 | { | |
1748 | if (!ctbase_isDefined (ctbase_unknown)) | |
1749 | { | |
1750 | ctbase_unknown = ctbase_new (); | |
1751 | ctbase_unknown->type = CT_UNKNOWN; | |
1752 | ctbase_unknown->contents.prim = CTX_UNKNOWN; | |
1753 | } | |
1754 | ||
1755 | /*@-retalias@*/ /*@-globstate@*/ | |
1756 | return ctbase_unknown; | |
1757 | /*@=retalias@*/ /*@=globstate@*/ | |
1758 | } | |
1759 | ||
1760 | /* | |
1761 | ** requires: result is not assigned to b | |
1762 | ** (should copy, but no way to reclaim storage) | |
1763 | */ | |
1764 | ||
1765 | static /*@only@*/ ctbase | |
1766 | ctbase_makePointer (ctype b) | |
1767 | { | |
1768 | ctbase c = ctbase_new (); | |
1769 | ||
1770 | c->type = CT_PTR; | |
1771 | c->contents.base = b; | |
1772 | ||
1773 | return (c); | |
1774 | } | |
1775 | ||
1776 | static /*@only@*/ ctbase | |
1777 | ctbase_makeArray (ctype b) | |
1778 | { | |
1779 | ctbase c = ctbase_new (); | |
1780 | ||
1781 | c->type = CT_ARRAY; | |
1782 | c->contents.base = b; | |
1783 | ||
1784 | return (c); | |
1785 | } | |
1786 | ||
1787 | static /*@notnull@*/ /*@only@*/ ctbase | |
37ae0b5e | 1788 | ctbase_makeFixedArray (ctype b, size_t size) |
885824d3 | 1789 | { |
1790 | ctbase c = ctbase_new (); | |
1791 | ||
1792 | c->type = CT_FIXEDARRAY; | |
1793 | ||
1794 | c->contents.farray = (tfixed) dmalloc (sizeof (*c->contents.farray)); | |
1795 | c->contents.farray->base = b; | |
1796 | c->contents.farray->size = size; | |
1797 | ||
1798 | return (c); | |
1799 | } | |
1800 | ||
1801 | static ctype | |
1802 | ctbase_makeFunction (ctype b, /*@only@*/ uentryList p) | |
1803 | { | |
1804 | ctbase c = ctbase_new (); | |
1805 | ctype ct; | |
1806 | ||
1807 | c->type = CT_FCN; | |
1808 | c->contents.fcn = (cfcn) dmalloc (sizeof (*c->contents.fcn)); | |
1809 | ||
1810 | if (ctype_isFunction (b)) /* was: && ctype_isPointer (b)) */ | |
1811 | { | |
1812 | ctbase ctb; | |
1813 | ctype rval; | |
1814 | ||
1815 | if (ctype_isPointer (b)) | |
1816 | { | |
1817 | ctb = ctype_getCtbase (ctype_baseArrayPtr (b)); | |
1818 | } | |
1819 | else | |
1820 | { | |
1821 | ctb = ctype_getCtbase (b); | |
1822 | } | |
1823 | ||
1824 | llassert (ctbase_isDefined (ctb)); | |
1825 | llassert (ctb->type == CT_FCN); | |
1826 | ||
1827 | rval = ctype_makeFunction (ctb->contents.fcn->rval, p); | |
1828 | ||
1829 | c->contents.fcn->rval = rval; | |
28bf4b0b | 1830 | c->contents.fcn->params = uentryList_copy (ctb->contents.fcn->params); /* no copy before */ |
885824d3 | 1831 | } |
1832 | else | |
1833 | { | |
1834 | c->contents.fcn->rval = b; | |
28bf4b0b | 1835 | c->contents.fcn->params = uentryList_copy (p); /* no copy before */ |
885824d3 | 1836 | /*@-branchstate@*/ /* p is really released on this branch */ |
1837 | } | |
1838 | /*@=branchstate@*/ | |
1839 | ||
1840 | ct = cttable_addComplex (c); | |
1841 | return (ct); /* was: ctype_makePointer (ct)); */ | |
1842 | } | |
1843 | ||
1844 | static ctype | |
1845 | ctbase_makeNFFunction (ctype b, /*@only@*/ uentryList p) | |
1846 | { | |
1847 | ctbase c = ctbase_new (); | |
1848 | ctype ct; | |
1849 | ||
1850 | c->type = CT_FCN; | |
1851 | c->contents.fcn = (cfcn) dmalloc (sizeof (*c->contents.fcn)); | |
1852 | ||
1853 | if (ctype_isFunction (b)) /* was && ctype_isPointer (b)) */ | |
1854 | { | |
1855 | ctbase ctb; | |
1856 | ctype rval; | |
1857 | ||
1858 | if (ctype_isPointer (b)) | |
1859 | { | |
1860 | ctb = ctype_getCtbase (ctype_baseArrayPtr (b)); | |
1861 | } | |
1862 | else | |
1863 | { | |
1864 | ctb = ctype_getCtbase (b); | |
1865 | } | |
1866 | ||
1867 | llassert (ctbase_isDefined (ctb)); | |
1868 | llassert (ctb->type == CT_FCN); | |
1869 | ||
1870 | rval = ctype_makeNFParamsFunction (ctb->contents.fcn->rval, p); | |
1871 | ||
1872 | c->contents.fcn->rval = rval; | |
28bf4b0b | 1873 | c->contents.fcn->params = uentryList_copy (ctb->contents.fcn->params); |
885824d3 | 1874 | } |
1875 | else | |
1876 | { | |
1877 | c->contents.fcn->rval = b; | |
28bf4b0b | 1878 | c->contents.fcn->params = uentryList_copy (p); |
885824d3 | 1879 | /*@-branchstate@*/ |
1880 | } | |
1881 | /*@=branchstate@*/ | |
1882 | ||
1883 | ct = cttable_addComplex (c); | |
1884 | return (ct); /* was: ctype_makePointer (ct)); */ | |
1885 | } | |
1886 | ||
1887 | static /*@only@*/ ctbase | |
28bf4b0b | 1888 | ctbase_makeLiveFunction (ctype b, /*@only@*/ uentryList p) |
885824d3 | 1889 | { |
1890 | ctbase c = ctbase_new (); | |
1891 | ||
1892 | c->type = CT_FCN; | |
1893 | ||
1894 | c->contents.fcn = (cfcn) dmalloc (sizeof (*c->contents.fcn)); | |
1895 | c->contents.fcn->rval = b; | |
1896 | c->contents.fcn->params = p; | |
885824d3 | 1897 | |
1898 | /*@-mustfree@*/ return (c); /*@=mustfree@*/ | |
1899 | } | |
1900 | ||
885824d3 | 1901 | static /*@observer@*/ /*@notnull@*/ ctbase |
1902 | ctbase_realFunction (/*@dependent@*/ /*@notnull@*/ ctbase c) | |
1903 | { | |
1904 | ctbase res; | |
1905 | ||
1906 | if (c->type == CT_FCN) | |
1907 | { | |
1908 | return c; | |
1909 | } | |
1910 | ||
1911 | llassert (ctbase_isFunction (c)); | |
1912 | ||
1913 | res = ctype_getCtbase (c->contents.base); | |
1914 | ||
1915 | llassert (ctbase_isDefined (res)); | |
1916 | ||
1917 | return (res); | |
1918 | } | |
1919 | ||
1920 | static bool | |
1921 | ctbase_isFunction (ctbase c) | |
1922 | { | |
1923 | llassert (c != ctbase_undefined); | |
1924 | ||
1925 | if (c->type == CT_FCN) | |
1926 | { | |
1927 | return TRUE; | |
1928 | } | |
1929 | else | |
1930 | { | |
1931 | if (c->type == CT_PTR) | |
1932 | { | |
1933 | ctbase fcn = ctype_getCtbase (ctbase_baseArrayPtr (c)); | |
1934 | ||
1935 | return (ctbase_isDefined (fcn) && fcn->type == CT_FCN); | |
1936 | } | |
1937 | ||
1938 | return FALSE; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | /* doesn't copy c1 and c2 */ | |
1943 | ||
1944 | static /*@only@*/ ctbase | |
1945 | ctbase_makeConj (ctype c1, ctype c2, bool isExplicit) | |
1946 | { | |
1947 | ctbase c = ctbase_new (); | |
1948 | ||
1949 | c->type = CT_CONJ; | |
1950 | ||
1951 | c->contents.conj = (tconj) dmalloc (sizeof (*c->contents.conj)); | |
1952 | c->contents.conj->a = c1; | |
1953 | c->contents.conj->b = c2; | |
1954 | c->contents.conj->isExplicit = isExplicit; | |
1955 | ||
1956 | return (c); | |
1957 | } | |
1958 | ||
d5047b91 | 1959 | static bool ctbase_isAnytype (/*@notnull@*/ ctbase b) |
1960 | { | |
1961 | /* | |
1962 | ** A unknown|dne conj is a special representation for an anytype. | |
1963 | */ | |
1964 | ||
1965 | if (b->type == CT_CONJ) | |
1966 | { | |
1967 | /*@access ctype@*/ | |
1968 | return (b->contents.conj->a == ctype_unknown | |
1969 | && b->contents.conj->b == ctype_dne); | |
1970 | /*@noaccess ctype@*/ | |
1971 | } | |
1972 | ||
1973 | return FALSE; | |
1974 | } | |
1975 | ||
885824d3 | 1976 | static ctype |
1977 | ctbase_getConjA (/*@notnull@*/ ctbase c) | |
1978 | { | |
1979 | llassert (c->type == CT_CONJ); | |
1980 | return (c->contents.conj->a); | |
1981 | } | |
1982 | ||
1983 | static ctype | |
1984 | ctbase_getConjB (/*@notnull@*/ ctbase c) | |
1985 | { | |
1986 | llassert (c->type == CT_CONJ); | |
1987 | return (c->contents.conj->b); | |
1988 | } | |
1989 | ||
1990 | static bool | |
1991 | ctbase_isExplicitConj (/*@notnull@*/ ctbase c) | |
1992 | { | |
1993 | llassert (c->type == CT_CONJ); | |
1994 | return (c->contents.conj->isExplicit); | |
1995 | } | |
1996 | ||
1997 | static /*@only@*/ ctbase | |
1998 | ctbase_createStruct (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1999 | { | |
2000 | ctbase c = ctbase_new (); | |
2001 | ||
2002 | c->type = CT_STRUCT; | |
2003 | ||
2004 | c->contents.su = (tsu) dmalloc (sizeof (*c->contents.su)); | |
2005 | c->contents.su->name = n; | |
2006 | c->contents.su->fields = f; | |
2007 | ||
2008 | return (c); | |
2009 | } | |
2010 | ||
2011 | static /*@observer@*/ uentryList | |
2012 | ctbase_getuentryList (/*@notnull@*/ ctbase c) | |
2013 | { | |
2014 | c = ctbase_realType (c); | |
2015 | ||
2016 | if (!(c->type == CT_STRUCT || c->type == CT_UNION)) | |
2017 | llfatalbug (message ("ctbase_getuentryList: bad invocation: %q", ctbase_unparse (c))); | |
2018 | ||
2019 | return (c->contents.su->fields); | |
2020 | } | |
2021 | ||
2022 | static ctbase | |
2023 | ctbase_createUnion (/*@keep@*/ cstring n, /*@only@*/ uentryList f) | |
2024 | { | |
2025 | ctbase c = ctbase_new (); | |
2026 | ||
2027 | c->type = CT_UNION; | |
2028 | ||
2029 | c->contents.su = (tsu) dmalloc (sizeof (*c->contents.su)); | |
2030 | c->contents.su->name = n; | |
2031 | c->contents.su->fields = f; | |
2032 | ||
2033 | return (c); | |
2034 | } | |
2035 | ||
2036 | static ctype | |
2037 | ctbase_baseArrayPtr (/*@notnull@*/ ctbase c) | |
2038 | { | |
2039 | ctuid ct; | |
2040 | c = ctbase_realType (c); | |
2041 | ct = c->type; | |
2042 | ||
2043 | if (ct == CT_FIXEDARRAY) | |
2044 | { | |
2045 | return c->contents.farray->base; | |
2046 | } | |
2047 | else | |
2048 | { | |
2049 | llassert (ctuid_isAP (ct)); | |
2050 | ||
2051 | return c->contents.base; | |
2052 | } | |
2053 | } | |
2054 | ||
2055 | static ctype | |
2056 | ctbase_baseFunction (/*@notnull@*/ ctbase c) | |
2057 | { | |
2058 | ctbase_fixUser (c); | |
2059 | c = ctbase_realFunction (c); | |
2060 | ||
2061 | if (c->type != CT_FCN) | |
2062 | { | |
2063 | llfatalbug (message ("ctbase_baseFunction: bad call: %q", ctbase_unparse (c))); | |
2064 | } | |
2065 | ||
2066 | return (c->contents.fcn->rval); | |
2067 | } | |
2068 | ||
2069 | static uentryList | |
2070 | ctbase_argsFunction (/*@notnull@*/ ctbase c) | |
2071 | { | |
2072 | ctbase_fixUser (c); | |
2073 | c = ctbase_realFunction (c); | |
2074 | ||
2075 | if (c->type != CT_FCN) | |
2076 | { | |
2077 | llfatalbug (message ("ctbase_argsFunction: bad call: %q", | |
2078 | ctbase_unparse (c))); | |
2079 | } | |
2080 | return (c->contents.fcn->params); | |
2081 | } | |
2082 | ||
2083 | static bool | |
2084 | ctbase_baseisExpFcn (ctype c) | |
2085 | { | |
2086 | ctbase cb; | |
2087 | c = ctype_removePointers (c); | |
2088 | ||
2089 | cb = ctype_getCtbase (c); | |
2090 | llassert (ctbase_isDefined (cb)); | |
2091 | ||
2092 | if (cb->type == CT_FCN) | |
2093 | { | |
28bf4b0b | 2094 | c = ctype_removePointers (ctype_getReturnType (c)); |
885824d3 | 2095 | |
2096 | cb = ctype_getCtbase (c); | |
2097 | llassert (ctbase_isDefined (cb)); | |
2098 | ||
2099 | return (cb->type == CT_EXPFCN); | |
2100 | } | |
2101 | return FALSE; | |
2102 | } | |
2103 | ||
2104 | /* | |
2105 | ** ctbase_newBase behaves specially when p is a CONJ: | |
2106 | ** | |
2107 | ** c -> conj (newBase (c, p.a), p.b) | |
2108 | */ | |
2109 | ||
2110 | static ctype | |
2111 | ctbase_newBase (ctype c, ctype p) | |
2112 | { | |
2113 | ctbase cb; | |
2114 | ||
2115 | DPRINTF (("New base: %s / %s", ctype_unparse (c), ctype_unparse (p))); | |
2116 | ||
28bf4b0b | 2117 | if (ctype_isUndefined (c) || ctype_isUnknown (c)) |
885824d3 | 2118 | { |
2119 | return p; | |
2120 | } | |
2121 | ||
28bf4b0b | 2122 | cb = ctype_getCtbase (c); |
2123 | ||
885824d3 | 2124 | if (ctype_isConj (p)) |
2125 | { | |
2126 | ctbase pb = ctype_getCtbase (p); | |
2127 | ||
2128 | llassert (ctbase_isDefined (pb)); | |
2129 | ||
2130 | if (pb->contents.conj->isExplicit) | |
2131 | { | |
2132 | return (ctype_makeExplicitConj (ctype_newBase (c, pb->contents.conj->a), | |
2133 | pb->contents.conj->b)); | |
2134 | ||
2135 | } | |
2136 | else | |
2137 | { | |
2138 | return (ctype_makeConj (ctype_newBase (c, pb->contents.conj->a), | |
2139 | pb->contents.conj->b)); | |
2140 | ||
2141 | } | |
2142 | } | |
2143 | ||
2144 | if (ctbase_baseisExpFcn (c)) | |
2145 | { | |
2146 | return (ctbase_newBaseExpFcn (c, p)); | |
2147 | } | |
2148 | ||
2149 | llassert (ctbase_isDefined (cb)); | |
2150 | ||
2151 | switch (cb->type) | |
2152 | { | |
2153 | case CT_UNKNOWN: | |
2154 | case CT_PRIM: | |
2155 | case CT_USER: | |
2156 | case CT_ENUM: | |
2157 | case CT_ABST: | |
e5081f8c | 2158 | case CT_NUMABST: |
885824d3 | 2159 | case CT_STRUCT: |
2160 | case CT_UNION: | |
2161 | case CT_EXPFCN: | |
2162 | return (p); | |
2163 | ||
2164 | case CT_PTR: | |
2165 | { | |
2166 | ctype ret; | |
2167 | ctype cbn; | |
2168 | ||
2169 | cbn = ctbase_newBase (cb->contents.base, p); | |
2170 | ret = ctype_makePointer (cbn); | |
2171 | ||
2172 | return ret; | |
2173 | } | |
2174 | case CT_FIXEDARRAY: | |
2175 | return (ctype_makeFixedArray (ctbase_newBase (cb->contents.farray->base, p), | |
2176 | cb->contents.farray->size)); | |
2177 | case CT_ARRAY: | |
2178 | return (ctype_makeArray (ctbase_newBase (cb->contents.base, p))); | |
2179 | case CT_FCN: | |
28bf4b0b | 2180 | return (ctype_makeRawFunction (ctbase_newBase (cb->contents.fcn->rval, p), |
885824d3 | 2181 | cb->contents.fcn->params)); |
2182 | case CT_CONJ: | |
2183 | return (ctype_makeConjAux (ctbase_newBase (cb->contents.conj->a, p), | |
2184 | ctbase_newBase (cb->contents.conj->b, p), | |
2185 | cb->contents.conj->isExplicit)); | |
2186 | default: | |
2187 | llcontbug (message ("ctbase_newBase: bad ctbase: %q", ctbase_unparse (cb))); | |
2188 | return (p); | |
2189 | } | |
2190 | BADEXIT; | |
2191 | } | |
2192 | ||
2193 | static ctype | |
2194 | ctbase_newBaseExpFcn (ctype c, ctype p) | |
2195 | { | |
2196 | ctbase cb = ctype_getCtbase (c); | |
2197 | ctbase tcb; | |
2198 | ctype ret, tmpct; | |
2199 | ctype fp = ctype_unknown; | |
2200 | uentryList ctargs = ctype_argsFunction (c); | |
2201 | ||
2202 | /* | |
2203 | ** okay, this is really ugly... | |
2204 | ** | |
2205 | ** pointers inside <expf> mean pointers to the function; | |
2206 | ** pointers outside <expf> are pointers to the return value; | |
2207 | ** because its a function there is one superfluous pointer. | |
2208 | */ | |
2209 | ||
2210 | /* | |
2211 | ** bf is a ctype, used to derived structure of cb | |
2212 | */ | |
2213 | ||
2214 | if (!ctbase_isFunction (cb)) | |
2215 | llbuglit ("ctbase_newBaseExpFcn: expFcn -> not a function"); | |
2216 | ||
28bf4b0b | 2217 | tmpct = ctype_getBaseType (ctype_getReturnType (c)); |
885824d3 | 2218 | |
2219 | /* | |
2220 | ** pointers before expfcn -> p are pointers to function, not result | |
2221 | ** | |
2222 | */ | |
2223 | ||
2224 | tcb = ctype_getCtbase (tmpct); | |
2225 | ||
2226 | llassert (ctbase_isDefined (tcb)); | |
2227 | tmpct = tcb->contents.base; | |
2228 | ||
2229 | /* | |
2230 | ** record pointers to base in fp | |
2231 | */ | |
2232 | ||
2233 | while (!ctype_isUnknown (tmpct)) | |
2234 | { | |
2235 | if (ctype_isExpFcn (tmpct)) { | |
2236 | ctbase ttcb = ctype_getCtbase (tmpct); | |
2237 | ||
2238 | /* | |
2239 | ** evs 2000-05-16: This is necessary to deal with function pointers in parens. | |
2240 | ** The whole function pointer parsing is a major kludge, but it seems to work, | |
2241 | ** and I'm only embarrassed by it when I haven't look at the C spec recently... | |
2242 | */ | |
2243 | ||
2244 | llassert (ctbase_isDefined (ttcb)); | |
2245 | tmpct = ttcb->contents.base; | |
2246 | llassert (!ctype_isUnknown (tmpct)); | |
2247 | } | |
2248 | ||
2249 | switch (ctype_getCtKind (tmpct)) | |
2250 | { | |
2251 | case CTK_PTR: | |
2252 | fp = ctype_makePointer (fp); | |
2253 | /*@switchbreak@*/ break; | |
2254 | case CTK_ARRAY: | |
2255 | fp = ctype_makeArray (fp); | |
2256 | /*@switchbreak@*/ break; | |
2257 | case CTK_COMPLEX: | |
2258 | { | |
2259 | ctbase fbase = ctype_getCtbase (tmpct); | |
2260 | ||
2261 | if (ctbase_isFunction (fbase)) | |
2262 | { | |
2263 | fp = ctype_makeFunction (fp, uentryList_copy (ctargs)); | |
2264 | ctargs = ctbase_argsFunction (fbase); | |
2265 | } | |
2266 | else | |
2267 | { | |
2268 | llbug | |
2269 | (message | |
2270 | ("ctbase_newBaseExpFcn: fixing expfunction: bad complex type: %s [base: %q]", | |
2271 | ctype_unparse (tmpct), ctbase_unparse (fbase))); | |
2272 | } | |
2273 | goto exitLoop; | |
2274 | } | |
2275 | default: | |
2276 | { | |
2277 | llcontbug | |
2278 | (message ("ctbase_newBaseExpFcn: fixing expfunction: bad type: %s", | |
2279 | ctype_unparse (tmpct))); | |
2280 | goto exitLoop; | |
2281 | } | |
2282 | } | |
2283 | tmpct = ctype_baseArrayPtr (tmpct); | |
2284 | } | |
2285 | ||
2286 | exitLoop: | |
28bf4b0b | 2287 | tmpct = ctype_getReturnType (c); |
885824d3 | 2288 | |
2289 | /* | |
2290 | ** pointers to expf are pointers to return value | |
2291 | */ | |
2292 | ||
2293 | while (!ctype_isExpFcn (tmpct)) | |
2294 | { | |
2295 | switch (ctype_getCtKind (tmpct)) | |
2296 | { | |
2297 | case CTK_PTR: | |
2298 | p = ctype_makePointer (p); | |
2299 | /*@switchbreak@*/ break; | |
2300 | case CTK_ARRAY: | |
2301 | p = ctype_makeArray (p); | |
2302 | /*@switchbreak@*/ break; | |
2303 | case CTK_COMPLEX: | |
2304 | { | |
2305 | ctbase fbase = ctype_getCtbase (tmpct); | |
2306 | ||
2307 | if (ctbase_isFunction (fbase)) | |
2308 | { | |
2309 | p = ctype_makeFunction (p, uentryList_copy (ctbase_argsFunction (fbase))); | |
2310 | } | |
2311 | else | |
2312 | { | |
2313 | llbug | |
2314 | (message | |
2315 | ("ctbase_newBaseExpFcn: fixing expfunction: bad complex type: %s", | |
2316 | ctype_unparse (tmpct))); | |
2317 | } | |
2318 | goto exitLoop2; | |
2319 | } | |
2320 | ||
2321 | default: | |
2322 | { | |
2323 | llcontbug | |
2324 | (message ("ctbase_newBaseExpFcn: fixing expfunction2: bad type: %t", | |
2325 | tmpct)); | |
2326 | goto exitLoop2; | |
2327 | } | |
2328 | } | |
2329 | tmpct = ctype_baseArrayPtr (tmpct); | |
2330 | } | |
2331 | ||
2332 | exitLoop2: | |
2333 | ||
2334 | /* | |
2335 | ** pointers to fp are pointers to function type | |
2336 | */ | |
2337 | ||
28bf4b0b | 2338 | ret = ctype_makeRawFunction (p, uentryList_copy (ctargs)); |
885824d3 | 2339 | |
2340 | while (ctype_getCtKind (fp) > CTK_PLAIN) | |
2341 | { | |
2342 | switch (ctype_getCtKind (fp)) | |
2343 | { | |
2344 | case CTK_PTR: | |
2345 | ret = ctype_makePointer (ret); | |
2346 | /*@switchbreak@*/ break; | |
2347 | case CTK_ARRAY: | |
2348 | ret = ctype_makeArray (ret); | |
2349 | /*@switchbreak@*/ break; | |
2350 | case CTK_COMPLEX: | |
2351 | { | |
2352 | ctbase fbase = ctype_getCtbase (fp); | |
2353 | ||
2354 | if (ctbase_isFunction (fbase)) | |
2355 | { | |
2356 | ret = | |
2357 | ctype_makeFunction (ret, | |
2358 | uentryList_copy (ctbase_argsFunction (fbase))); | |
2359 | } | |
2360 | else | |
2361 | { | |
2362 | BADBRANCH; | |
2363 | } | |
2364 | goto exitLoop3; | |
2365 | } | |
2366 | ||
2367 | default: | |
2368 | { | |
2369 | llcontbug (message ("post-fixing expfunction: bad type: %t", fp)); | |
2370 | goto exitLoop3; | |
2371 | } | |
2372 | } | |
2373 | fp = ctype_baseArrayPtr (fp); | |
2374 | } | |
2375 | ||
2376 | exitLoop3: | |
2377 | return (ret); | |
2378 | } | |
2379 | ||
2380 | /* | |
2381 | ** returns lowest level base of c: plain type | |
2382 | */ | |
2383 | ||
2384 | static /*@notnull@*/ /*@only@*/ ctbase | |
2385 | ctbase_getBaseType (/*@notnull@*/ ctbase c) | |
2386 | { | |
2387 | switch (c->type) | |
2388 | { | |
2389 | case CT_UNKNOWN: | |
2390 | case CT_PRIM: | |
2391 | case CT_USER: | |
2392 | case CT_ENUM: | |
2393 | case CT_ENUMLIST: | |
2394 | case CT_BOOL: | |
2395 | case CT_ABST: | |
e5081f8c | 2396 | case CT_NUMABST: |
885824d3 | 2397 | case CT_FCN: |
2398 | case CT_STRUCT: | |
2399 | case CT_UNION: | |
2400 | return (ctbase_copy (c)); | |
2401 | ||
2402 | case CT_PTR: | |
2403 | case CT_ARRAY: | |
2404 | return (ctbase_getBaseType (ctype_getCtbaseSafe (c->contents.base))); | |
2405 | ||
2406 | case CT_FIXEDARRAY: | |
2407 | return (ctbase_getBaseType (ctype_getCtbaseSafe (c->contents.farray->base))); | |
2408 | case CT_CONJ: /* base type of A conj branch? */ | |
2409 | return (ctbase_getBaseType (ctype_getCtbaseSafe (c->contents.conj->a))); | |
2410 | case CT_EXPFCN: | |
2411 | return (ctbase_copy (c)); | |
2412 | ||
2413 | default: | |
2414 | llfatalbug (message ("ctbase_getBaseType: bad ctbase: %q", ctbase_unparse (c))); | |
2415 | } | |
2416 | ||
2417 | BADEXIT; | |
2418 | } | |
2419 | ||
2420 | static int | |
2421 | ctbase_compare (ctbase c1, ctbase c2, bool strict) | |
2422 | { | |
2423 | ctuid c1tid, c2tid; | |
2424 | ||
2425 | if (ctbase_isUndefined (c1) || ctbase_isUndefined (c2)) | |
2426 | { | |
2427 | llcontbuglit ("ctbase_compare: undefined ctbase"); | |
2428 | return -1; | |
2429 | } | |
2430 | ||
2431 | c1tid = c1->type; | |
2432 | c2tid = c2->type; | |
2433 | ||
2434 | if (c1tid < c2tid) | |
2435 | return -1; | |
2436 | if (c1tid > c2tid) | |
2437 | return 1; | |
2438 | ||
2439 | switch (c1tid) | |
2440 | { | |
2441 | case CT_UNKNOWN: | |
2442 | return 0; | |
2443 | case CT_PRIM: | |
2444 | return (int_compare (c1->contents.prim, c2->contents.prim)); | |
2445 | case CT_BOOL: | |
2446 | return 0; | |
2447 | case CT_USER: | |
b73d1009 | 2448 | return (typeId_compare (c1->contents.tid, c2->contents.tid)); |
885824d3 | 2449 | case CT_ENUMLIST: |
2450 | return 1; | |
2451 | case CT_ENUM: /* for now, keep like abstract */ | |
2452 | case CT_ABST: | |
e5081f8c | 2453 | case CT_NUMABST: |
b73d1009 | 2454 | return (typeId_compare (c1->contents.tid, c2->contents.tid)); |
885824d3 | 2455 | case CT_PTR: |
2456 | return (ctype_compare (c1->contents.base, c2->contents.base)); | |
2457 | case CT_FIXEDARRAY: | |
2458 | INTCOMPARERETURN (c1->contents.farray->size, c2->contents.farray->size); | |
2459 | ||
2460 | return (ctype_compare (c1->contents.farray->base, | |
2461 | c2->contents.farray->base)); | |
2462 | case CT_ARRAY: | |
2463 | return (ctype_compare (c1->contents.base, c2->contents.base)); | |
2464 | case CT_FCN: | |
2465 | { | |
2466 | COMPARERETURN (ctype_compare (c1->contents.fcn->rval, c2->contents.fcn->rval)); | |
2467 | ||
2468 | if (strict) | |
2469 | { | |
2470 | return (uentryList_compareStrict (c1->contents.fcn->params, | |
2471 | c2->contents.fcn->params)); | |
2472 | } | |
2473 | else | |
2474 | { | |
2475 | return (uentryList_compareParams (c1->contents.fcn->params, | |
2476 | c2->contents.fcn->params)); | |
2477 | } | |
2478 | } | |
2479 | case CT_EXPFCN: | |
2480 | return (ctype_compare (c1->contents.base, c2->contents.base)); | |
2481 | case CT_STRUCT: | |
2482 | case CT_UNION: | |
a0a162cd | 2483 | /* evs 2000-07-28: this block was missing! */ |
2484 | if (strict) { | |
2485 | int ncmp = cstring_compare (c1->contents.su->name, | |
2486 | c2->contents.su->name); | |
2487 | ||
2488 | if (ncmp != 0) { | |
2489 | if (isFakeTag (c1->contents.su->name) | |
2490 | && isFakeTag (c2->contents.su->name)) { | |
2491 | ; /* If they are both fake struct tags, don't require match. */ | |
2492 | } else { | |
2493 | return ncmp; | |
2494 | } | |
2495 | } | |
2496 | } | |
2497 | ||
28bf4b0b | 2498 | DPRINTF (("Comparing fields: %s / %s", |
2499 | ctbase_unparse (c1), | |
2500 | ctbase_unparse (c2))); | |
2501 | ||
885824d3 | 2502 | return (uentryList_compareFields (c1->contents.su->fields, |
2503 | c2->contents.su->fields)); | |
2504 | case CT_CONJ: | |
2505 | { | |
2506 | COMPARERETURN (ctype_compare (c1->contents.conj->a, | |
2507 | c2->contents.conj->a)); | |
2508 | COMPARERETURN (ctype_compare (c1->contents.conj->b, | |
2509 | c2->contents.conj->b)); | |
2510 | return (bool_compare (c1->contents.conj->isExplicit, | |
2511 | c2->contents.conj->isExplicit)); | |
2512 | } | |
2513 | } | |
2514 | BADEXIT; | |
2515 | } | |
2516 | ||
2517 | static int | |
2518 | ctbase_compareStrict (/*@notnull@*/ ctbase c1, /*@notnull@*/ ctbase c2) | |
2519 | { | |
2520 | return (ctbase_compare (c1, c2, TRUE)); | |
2521 | } | |
2522 | ||
2523 | static bool ctbase_equivStrict (/*@notnull@*/ ctbase c1, /*@notnull@*/ ctbase c2) | |
2524 | { | |
2525 | return (ctbase_compareStrict (c1,c2) == 0); | |
2526 | } | |
2527 | ||
2528 | static bool ctbase_equiv (/*@notnull@*/ ctbase c1, /*@notnull@*/ ctbase c2) | |
2529 | { | |
2530 | return (ctbase_compare (c1, c2, FALSE) == 0); | |
2531 | } | |
2532 | ||
2533 | static bool | |
2534 | ctbase_isKind (/*@notnull@*/ ctbase c, ctuid kind) | |
2535 | { | |
2536 | ctuid ck = c->type; | |
2537 | ||
2538 | if (ck == kind) | |
2539 | return TRUE; | |
2540 | ||
2541 | if (ck == CT_CONJ) | |
2542 | return (ctbase_isKind (ctype_getCtbaseSafe (c->contents.conj->a), kind) || | |
2543 | ctbase_isKind (ctype_getCtbaseSafe (c->contents.conj->b), kind)); | |
2544 | ||
2545 | return FALSE; | |
2546 | } | |
2547 | ||
2548 | static bool | |
2549 | ctbase_isKind2 (/*@notnull@*/ ctbase c, ctuid kind1, ctuid kind2) | |
2550 | { | |
2551 | ctuid ck = c->type; | |
2552 | ||
2553 | if (ck == kind1 || ck == kind2) | |
2554 | return TRUE; | |
2555 | ||
2556 | if (ck == CT_CONJ) | |
2557 | return (ctbase_isKind2 (ctype_getCtbaseSafe (c->contents.conj->a), kind1, kind2) || | |
2558 | ctbase_isKind2 (ctype_getCtbaseSafe (c->contents.conj->b), kind1, kind2)); | |
2559 | ||
2560 | return FALSE; | |
2561 | } | |
2562 | ||
2563 | static bool | |
2564 | ctbase_isAbstract (/*@notnull@*/ ctbase c) | |
2565 | { | |
e5081f8c | 2566 | return (c->type == CT_ABST || c->type == CT_NUMABST); |
2567 | } | |
2568 | ||
2569 | static bool | |
2570 | ctbase_isNumAbstract (/*@notnull@*/ ctbase c) | |
2571 | { | |
2572 | return (c->type == CT_NUMABST); | |
885824d3 | 2573 | } |
2574 | ||
2575 | static bool ctbase_isUA (ctbase c) | |
2576 | { | |
e5081f8c | 2577 | return (ctbase_isDefined (c) && (ctuid_isAnyUserType (c->type))); |
885824d3 | 2578 | } |
2579 | ||
2580 | static bool | |
2581 | ctbase_almostEqual (ctbase c1, ctbase c2) | |
2582 | { | |
2583 | ctuid c1tid, c2tid; | |
2584 | ||
2585 | /* undefined types never match */ | |
2586 | ||
2587 | if (ctbase_isUndefined (c1) || ctbase_isUndefined (c2)) | |
2588 | return FALSE; | |
2589 | ||
2590 | c1tid = c1->type; | |
2591 | c2tid = c2->type; | |
2592 | ||
2593 | if (c1tid == CT_FIXEDARRAY && c2tid == CT_ARRAY) | |
2594 | { | |
2595 | return (ctbase_almostEqual (ctype_getCtbase (c1->contents.farray->base), | |
2596 | ctype_getCtbase (c2->contents.base))); | |
2597 | } | |
2598 | ||
2599 | if (c2tid == CT_FIXEDARRAY && c1tid == CT_ARRAY) | |
2600 | { | |
2601 | return (ctbase_almostEqual (ctype_getCtbase (c1->contents.base), | |
2602 | ctype_getCtbase (c2->contents.farray->base))); | |
2603 | } | |
2604 | ||
2605 | if (c1tid != c2tid) | |
2606 | return FALSE; | |
2607 | ||
2608 | switch (c1tid) | |
2609 | { | |
2610 | case CT_UNKNOWN: | |
2611 | return TRUE; | |
2612 | case CT_PRIM: | |
2613 | return (cprim_equal (c1->contents.prim, c2->contents.prim)); | |
2614 | case CT_BOOL: | |
2615 | return TRUE; | |
2616 | case CT_ABST: | |
e5081f8c | 2617 | case CT_NUMABST: |
885824d3 | 2618 | case CT_USER: |
2619 | return (typeId_equal (c1->contents.tid, c2->contents.tid)); | |
2620 | case CT_ENUM: | |
2621 | return (cstring_equal (c1->contents.cenum->tag, c2->contents.cenum->tag)); | |
2622 | case CT_PTR: | |
2623 | return (ctype_almostEqual (c1->contents.base, c2->contents.base)); | |
2624 | case CT_FIXEDARRAY: | |
2625 | return (ctype_almostEqual (c1->contents.farray->base, | |
2626 | c2->contents.farray->base)); | |
2627 | case CT_ARRAY: | |
2628 | return (ctype_almostEqual (c1->contents.base, c2->contents.base)); | |
2629 | case CT_FCN: | |
2630 | return (ctype_almostEqual (c1->contents.fcn->rval, c2->contents.fcn->rval) | |
2631 | && uentryList_matchParams (c1->contents.fcn->params, | |
2632 | c2->contents.fcn->params, FALSE, TRUE)); | |
2633 | case CT_STRUCT: | |
2634 | case CT_UNION: | |
2635 | if (!cstring_isEmpty (c1->contents.su->name)) | |
2636 | { | |
2637 | return (cstring_equal (c1->contents.su->name, c2->contents.su->name)); | |
2638 | } | |
2639 | else | |
2640 | { | |
2641 | if (!cstring_isEmpty (c2->contents.su->name)) | |
2642 | { | |
2643 | return FALSE; | |
2644 | } | |
2645 | ||
2646 | llcontbuglit ("ctbase_almostEqual: match fields"); | |
2647 | return (FALSE); | |
2648 | } | |
2649 | default: | |
2650 | llcontbug (message ("ctbase_almostEqual: unknown type: %d\n", (int)c1tid)); | |
2651 | return (FALSE); | |
2652 | } | |
2653 | } | |
28bf4b0b | 2654 | |
2655 | /*drl added July 02, 001 | |
2656 | called by ctype_getArraySize | |
2657 | */ | |
2658 | ||
37ae0b5e | 2659 | size_t ctbase_getArraySize (ctbase ctb) |
28bf4b0b | 2660 | { |
37ae0b5e | 2661 | /*drl 1/25/2002 fixed discovered by Jim Francis */ |
0e5499ac | 2662 | ctbase r; |
28bf4b0b | 2663 | |
0e5499ac | 2664 | llassert (ctbase_isDefined (ctb) ); |
2665 | r = ctbase_realType (ctb); | |
2666 | llassert (ctbase_isFixedArray(r) ); | |
2667 | ||
0e5499ac | 2668 | return (r->contents.farray->size); |
28bf4b0b | 2669 | } |
e5081f8c | 2670 | |
2671 | bool ctbase_isBigger (ctbase ct1, ctbase ct2) | |
2672 | { | |
2673 | if (ct1 != NULL && ct2 != NULL | |
2674 | && (ct1->type == CT_PRIM && ct2->type == CT_PRIM)) | |
2675 | { | |
2676 | /* Only compare sizes for primitives */ | |
2677 | cprim cp1 = ct1->contents.prim; | |
2678 | cprim cp2 = ct2->contents.prim; | |
2679 | int nbits1 = cprim_getExpectedBits (cp1); | |
2680 | int nbits2 = cprim_getExpectedBits (cp2); | |
2681 | ||
2682 | if (nbits1 > nbits2) { | |
2683 | return TRUE; | |
2684 | } else { | |
2685 | return FALSE; | |
2686 | } | |
2687 | } | |
2688 | else | |
2689 | { | |
2690 | return FALSE; | |
2691 | } | |
2692 | } | |
ae133592 | 2693 | |
2694 | int ctbase_getSize (ctbase ct) | |
2695 | { | |
2696 | if (ct == NULL) | |
2697 | { | |
2698 | return 0; | |
2699 | } | |
2700 | ||
2701 | switch (ct->type) | |
2702 | { | |
2703 | case CT_UNKNOWN: | |
2704 | case CT_BOOL: | |
2705 | case CT_PRIM: | |
2706 | { | |
2707 | cprim cp = ct->contents.prim; | |
2708 | int nbits = cprim_getExpectedBits (cp); | |
2709 | return nbits; | |
2710 | } | |
2711 | case CT_USER: | |
2712 | case CT_ABST: | |
2713 | case CT_NUMABST: | |
2714 | case CT_EXPFCN: | |
2715 | { | |
2716 | return 0; | |
2717 | } | |
2718 | case CT_PTR: | |
2719 | { | |
2720 | /* Malloc returns void *, but they are bytes. Normal void * is pointer size. */ | |
2721 | if (ctype_isVoid (ct->contents.base)) | |
2722 | { | |
2723 | return 8; | |
2724 | } | |
2725 | else | |
2726 | { | |
2727 | return ctype_getSize (ct->contents.base); | |
2728 | } | |
2729 | } | |
6317f163 | 2730 | case CT_FIXEDARRAY: |
ae133592 | 2731 | case CT_ARRAY: |
2732 | case CT_FCN: | |
2733 | case CT_STRUCT: | |
2734 | case CT_UNION: | |
2735 | case CT_ENUM: | |
2736 | case CT_CONJ: | |
2737 | break; | |
2738 | BADDEFAULT; | |
2739 | } | |
2740 | ||
2741 | return 0; | |
2742 | ||
2743 | } |