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65f973be | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
c59f5181 | 3 | ** Copyright (C) 1994-2003 University of Virginia, |
65f973be | 4 | ** Massachusetts Institute of Technology |
5 | ** | |
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. | |
19 | ** | |
155af98d | 20 | ** For information on splint: info@splint.org |
21 | ** To report a bug: splint-bug@splint.org | |
11db3170 | 22 | ** For more information: http://www.splint.org |
65f973be | 23 | */ |
24 | ||
3aaedf88 | 25 | /* |
26 | ** constraintExpr.c | |
27 | */ | |
28 | ||
b7b694d6 | 29 | /* #define DEBUGPRINT 1 */ |
3aaedf88 | 30 | |
1b8ae690 | 31 | # include "splintMacros.nf" |
3aaedf88 | 32 | # include "basic.h" |
33 | # include "cgrammar.h" | |
34 | # include "cgrammar_tokens.h" | |
35 | ||
36 | # include "exprChecks.h" | |
3aaedf88 | 37 | # include "exprNodeSList.h" |
38 | ||
3aaedf88 | 39 | |
86d93ed3 | 40 | static ctype constraintExpr_getOrigType (constraintExpr p_e); |
41 | static bool constraintExpr_hasTypeChange(constraintExpr p_e) /*@*/; | |
920a3797 | 42 | |
28bf4b0b | 43 | static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/constraintExpr p_expr, int p_literal); |
bb25bea6 | 44 | |
920a3797 | 45 | |
86d93ed3 | 46 | /*@only@*/ static constraintExpr |
47 | doSRefFixInvarConstraintTerm (/*@only@*/ constraintExpr p_e, | |
48 | sRef p_s, ctype p_ct); | |
49 | ||
d46ce6a4 | 50 | /*@only@*/ static constraintExpr |
28bf4b0b | 51 | doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr p_e, /*@temp@*/ /*@observer@*/ exprNodeList p_arglist) /*@modifies p_e@*/; |
c3e695ff | 52 | |
4ab867d6 | 53 | static /*@only@*/ constraintExpr |
28bf4b0b | 54 | doFixResultTerm (/*@only@*/ constraintExpr p_e, /*@exposed@*/ exprNode p_fcnCall) |
55 | /*@modifies p_e@*/; | |
86d93ed3 | 56 | |
57 | static bool constraintExpr_canGetCType (constraintExpr p_e) /*@*/; | |
58 | ||
59 | static ctype constraintExpr_getCType (constraintExpr p_e); | |
60 | ||
61 | static /*@only@*/ constraintExpr constraintExpr_adjustMaxSetForCast(/*@only@*/ constraintExpr p_e, ctype p_ct); | |
62 | ||
749f175a | 63 | /*@special@*/ /*@notnull@*/ static constraintExpr constraintExpr_makeBinaryOp (void) |
b7b694d6 | 64 | /* @allocates result->data @ @sets result->kind @ */ ; |
3aaedf88 | 65 | |
d46ce6a4 | 66 | void constraintExpr_free (/*@only@*/ constraintExpr expr) |
67 | { | |
68 | if (constraintExpr_isDefined(expr) ) | |
69 | { | |
70 | switch (expr->kind) | |
71 | { | |
72 | case unaryExpr: | |
73 | constraintExprData_freeUnaryExpr(expr->data); | |
74 | break; | |
75 | case binaryexpr: | |
76 | constraintExprData_freeBinaryExpr(expr->data); | |
77 | break; | |
78 | case term: | |
79 | constraintExprData_freeTerm(expr->data); | |
80 | break; | |
81 | default: | |
82 | BADEXIT; | |
83 | } | |
bb25bea6 | 84 | |
85 | expr->data = NULL; | |
d46ce6a4 | 86 | free (expr); |
87 | } | |
88 | else | |
89 | { | |
90 | llcontbug(message("attempted to free null pointer in constraintExpr_free")); | |
91 | } | |
92 | } | |
93 | ||
3aaedf88 | 94 | bool constraintExpr_isLit (constraintExpr expr) |
95 | { | |
dc92450f | 96 | llassert (expr != NULL); |
3aaedf88 | 97 | |
98 | if (expr->kind == term) | |
99 | { | |
100 | constraintTerm term = constraintExprData_termGetTerm (expr->data); | |
101 | if (constraintTerm_isIntLiteral (term) ) | |
102 | { | |
103 | return TRUE; | |
104 | } | |
105 | ||
106 | } | |
107 | return FALSE; | |
108 | } | |
109 | ||
7c9c4a67 | 110 | static bool isZeroBinaryOp (constraintExpr expr) |
111 | { | |
112 | constraintExpr e2; | |
113 | ||
7272a1c1 | 114 | llassert (expr != NULL); /* evans 2001-07-18 */ |
115 | ||
7c9c4a67 | 116 | if (!constraintExpr_isBinaryExpr (expr) ) |
117 | { | |
118 | return FALSE; | |
119 | } | |
120 | ||
121 | ||
122 | e2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
123 | ||
7272a1c1 | 124 | llassert (e2 != NULL); /* evans 2001-07-18 */ |
125 | ||
7c9c4a67 | 126 | if (constraintExpr_isBinaryExpr (e2) ) |
127 | { | |
128 | constraintExpr e1; | |
129 | constraintExprBinaryOpKind op; | |
130 | ||
131 | op = constraintExprData_binaryExprGetOp (e2->data); | |
132 | ||
133 | e1 = constraintExprData_binaryExprGetExpr1(e2->data); | |
134 | ||
135 | if (constraintExpr_isLit(e1) ) | |
136 | { | |
137 | if (constraintExpr_getValue(e1) == 0 ) | |
138 | { | |
139 | return TRUE; | |
140 | } | |
141 | } | |
142 | } | |
143 | return FALSE; | |
144 | } | |
145 | ||
146 | /* change expr + (o - expr) to (expr -expr) */ | |
147 | ||
749f175a | 148 | /*@only@*/ /*@notnull@*/ static constraintExpr removeZero (/*@only@*/ /*@returned@*/ constraintExpr expr) |
7c9c4a67 | 149 | { |
150 | constraintExpr expr1, expr2; | |
151 | ||
152 | constraintExpr temp; | |
153 | ||
154 | constraintExprBinaryOpKind op; | |
155 | ||
156 | constraintExprBinaryOpKind tempOp; | |
157 | ||
749f175a | 158 | llassert (expr != NULL); /* evans 2001-07-18 */ |
159 | ||
7c9c4a67 | 160 | if (!isZeroBinaryOp(expr) ) |
161 | return expr; | |
162 | ||
163 | ||
164 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
165 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
166 | op = constraintExprData_binaryExprGetOp(expr->data); | |
167 | ||
7272a1c1 | 168 | llassert( constraintExpr_isBinaryExpr(expr2) ); |
169 | ||
7c9c4a67 | 170 | temp = constraintExprData_binaryExprGetExpr2 (expr2->data); |
171 | temp = constraintExpr_copy (temp); | |
172 | ||
173 | tempOp = constraintExprData_binaryExprGetOp (expr2->data); | |
174 | ||
0c91982e | 175 | if (op == BINARYOP_PLUS) |
7c9c4a67 | 176 | op = tempOp; |
acfb6ad9 | 177 | else if (op == BINARYOP_MINUS) |
7c9c4a67 | 178 | { |
0c91982e | 179 | if (tempOp == BINARYOP_PLUS) |
acfb6ad9 | 180 | op = BINARYOP_MINUS; |
181 | else if (tempOp == BINARYOP_MINUS) | |
0c91982e | 182 | op = BINARYOP_PLUS; |
7c9c4a67 | 183 | else |
184 | BADEXIT; | |
185 | } | |
186 | else | |
187 | BADEXIT; | |
188 | ||
7c9c4a67 | 189 | expr->data = constraintExprData_binaryExprSetExpr2(expr->data, temp); |
190 | expr->data = constraintExprData_binaryExprSetOp(expr->data, op); | |
191 | ||
192 | return expr; | |
193 | } | |
194 | ||
3aaedf88 | 195 | |
749f175a | 196 | /*@only@*//*@notnull@*/ constraintExpr constraintExpr_propagateConstants (/*@only@*/ constraintExpr expr, |
3aaedf88 | 197 | /*@out@*/ bool * propagate, |
198 | /*@out@*/ int *literal) | |
199 | { | |
200 | constraintExpr expr1; | |
201 | constraintExpr expr2; | |
202 | bool propagate1, propagate2; | |
203 | int literal1, literal2; | |
d46ce6a4 | 204 | constraintExprBinaryOpKind op; |
3aaedf88 | 205 | |
206 | propagate1 = FALSE; | |
207 | propagate2 = FALSE; | |
208 | ||
209 | literal1 = 0; | |
210 | literal2 = 0; | |
211 | ||
212 | *propagate = FALSE; | |
213 | *literal = 0; | |
214 | ||
a779b61e | 215 | |
dc92450f | 216 | llassert (expr != NULL); |
3aaedf88 | 217 | |
b7b694d6 | 218 | /* we simplify unaryExpr elsewhere */ |
d46ce6a4 | 219 | if (expr->kind != binaryexpr) |
3aaedf88 | 220 | return expr; |
221 | ||
d46ce6a4 | 222 | op = constraintExprData_binaryExprGetOp (expr->data); |
3aaedf88 | 223 | |
bb7c2085 | 224 | DPRINTF((message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) ); |
7c9c4a67 | 225 | |
226 | expr = removeZero(expr); | |
3aaedf88 | 227 | |
228 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
229 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
230 | ||
d46ce6a4 | 231 | expr1 = constraintExpr_copy(expr1); |
232 | expr2 = constraintExpr_copy(expr2); | |
233 | ||
3aaedf88 | 234 | expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1); |
235 | expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2); | |
236 | ||
a779b61e | 237 | expr1 = removeZero(expr1); |
238 | expr2 = removeZero(expr2); | |
239 | ||
240 | ||
3aaedf88 | 241 | *propagate = propagate1 || propagate2; |
7c9c4a67 | 242 | |
0c91982e | 243 | if (op == BINARYOP_PLUS) |
7c9c4a67 | 244 | *literal = literal1 + literal2; |
acfb6ad9 | 245 | else if (op == BINARYOP_MINUS) |
7c9c4a67 | 246 | *literal = literal1 - literal2; |
247 | else | |
248 | BADEXIT; | |
249 | ||
3aaedf88 | 250 | if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) ) |
251 | { | |
b9904f57 | 252 | long t1, t2; |
3aaedf88 | 253 | t1 = constraintExpr_getValue (expr1); |
254 | t2 = constraintExpr_getValue (expr2); | |
7c9c4a67 | 255 | llassert(*propagate == FALSE); |
3aaedf88 | 256 | *propagate = FALSE; |
a8e557d3 | 257 | |
d46ce6a4 | 258 | constraintExpr_free (expr); |
259 | constraintExpr_free (expr1); | |
260 | constraintExpr_free (expr2); | |
261 | ||
0c91982e | 262 | if (op == BINARYOP_PLUS ) |
bb7c2085 | 263 | return (constraintExpr_makeIntLiteral ((t1+t2) )); |
acfb6ad9 | 264 | else if (op == BINARYOP_MINUS) |
bb7c2085 | 265 | return (constraintExpr_makeIntLiteral ((t1-t2) )); |
3aaedf88 | 266 | else |
d46ce6a4 | 267 | BADEXIT; |
3aaedf88 | 268 | } |
d46ce6a4 | 269 | |
270 | ||
3aaedf88 | 271 | if (constraintExpr_isLit (expr1) ) |
272 | { | |
3aaedf88 | 273 | *propagate = TRUE; |
d46ce6a4 | 274 | |
7c9c4a67 | 275 | *literal += constraintExpr_getValue (expr1); |
d46ce6a4 | 276 | |
0c91982e | 277 | if (op == BINARYOP_PLUS) |
7c9c4a67 | 278 | { |
279 | constraintExpr_free(expr1); | |
280 | constraintExpr_free(expr); | |
281 | return expr2; | |
282 | } | |
acfb6ad9 | 283 | else if (op == BINARYOP_MINUS) |
7c9c4a67 | 284 | { |
a779b61e | 285 | |
7c9c4a67 | 286 | constraintExpr temp; |
287 | ||
288 | /* this is an ugly kludge to deal with not | |
289 | having a unary minus operation...*/ | |
a779b61e | 290 | |
7c9c4a67 | 291 | temp = constraintExpr_makeIntLiteral (0); |
292 | temp = constraintExpr_makeSubtractExpr (temp, expr2); | |
293 | ||
294 | constraintExpr_free(expr1); | |
295 | constraintExpr_free(expr); | |
0ec8d634 | 296 | |
297 | llassert (constraintExpr_isDefined(temp) ); | |
7c9c4a67 | 298 | return temp; |
299 | } | |
7272a1c1 | 300 | else |
301 | { | |
302 | BADBRANCH; /* evans 2001-07-18 */ | |
303 | } | |
3aaedf88 | 304 | } |
305 | ||
3aaedf88 | 306 | if (constraintExpr_isLit (expr2) ) |
307 | { | |
308 | *propagate = TRUE; | |
a8e557d3 | 309 | |
0c91982e | 310 | if ( op == BINARYOP_PLUS ) |
3aaedf88 | 311 | *literal += constraintExpr_getValue (expr2); |
acfb6ad9 | 312 | else if (op == BINARYOP_MINUS) |
3aaedf88 | 313 | *literal -= constraintExpr_getValue (expr2); |
7c9c4a67 | 314 | else |
315 | BADEXIT; | |
316 | ||
d46ce6a4 | 317 | |
318 | constraintExpr_free(expr2); | |
319 | constraintExpr_free(expr); | |
3aaedf88 | 320 | return expr1; |
321 | } | |
3aaedf88 | 322 | |
bb7c2085 | 323 | DPRINTF((message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 324 | |
d46ce6a4 | 325 | expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1); |
326 | expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2); | |
327 | ||
7c9c4a67 | 328 | expr = removeZero(expr); |
3aaedf88 | 329 | return expr; |
330 | } | |
331 | ||
749f175a | 332 | /*@notnull@*/ /*@only@*/ static constraintExpr constraintExpr_combineConstants (/*@only@*/ constraintExpr expr ) /*@modifies expr@*/ |
3aaedf88 | 333 | { |
334 | bool propagate; | |
335 | int literal; | |
336 | ||
bb7c2085 | 337 | DPRINTF ((message ("Before combine %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 338 | expr = constraintExpr_propagateConstants (expr, &propagate, &literal); |
339 | ||
340 | ||
341 | if (propagate) | |
342 | { | |
343 | constraintExpr ret; | |
344 | ||
345 | if (literal != 0) | |
346 | { | |
347 | ret = constraintExpr_makeBinaryOpConstraintExprIntLiteral (expr, literal); | |
348 | expr = ret; | |
349 | } | |
350 | } | |
bb7c2085 | 351 | DPRINTF ((message ("After combine %s", constraintExpr_unparse(expr) ) ) ); |
0ec8d634 | 352 | |
353 | llassert(constraintExpr_isDefined(expr) ); | |
354 | return expr; | |
3aaedf88 | 355 | } |
c3e695ff | 356 | |
dc92450f | 357 | /*@special@*/ |
abd7f895 | 358 | static /*@notnull@*/ constraintExpr constraintExpr_alloc (void) /*@post:isnull result->data@*/ |
3aaedf88 | 359 | { |
360 | constraintExpr ret; | |
361 | ret = dmalloc (sizeof (*ret) ); | |
362 | ret->kind = term; | |
363 | ret->data = NULL; | |
86d93ed3 | 364 | ret->ct = FALSE; |
365 | ret->origType = ctype_undefined; | |
3aaedf88 | 366 | return ret; |
367 | } | |
368 | ||
4ab867d6 | 369 | /*@only@*/ static constraintExprData copyExprData (/*@observer@*/ constraintExprData data, constraintExprKind kind) |
c3e695ff | 370 | { |
371 | constraintExprData ret; | |
372 | llassert(constraintExprData_isDefined(data)); | |
373 | ||
374 | switch (kind) | |
375 | { | |
376 | case binaryexpr: | |
377 | ret = constraintExprData_copyBinaryExpr(data); | |
378 | break; | |
379 | case unaryExpr: | |
380 | ret = constraintExprData_copyUnaryExpr(data); | |
381 | break; | |
382 | case term: | |
383 | ret = constraintExprData_copyTerm(data); | |
384 | break; | |
385 | default: | |
386 | BADEXIT; | |
387 | } | |
388 | return ret; | |
389 | } | |
3aaedf88 | 390 | |
391 | constraintExpr constraintExpr_copy (constraintExpr expr) | |
392 | { | |
393 | constraintExpr ret; | |
abd7f895 | 394 | ret = constraintExpr_alloc (); |
749f175a | 395 | |
396 | ||
397 | /*drl 03/02/2003 this shouldn't be used to copy a null | |
398 | expression but handle things cleanly if it is*/ | |
399 | llassert (!constraintExpr_isUndefined(expr) ); | |
400 | ||
401 | if (constraintExpr_isUndefined(expr) ) | |
402 | { | |
403 | return constraintExpr_undefined; | |
404 | } | |
405 | ||
3aaedf88 | 406 | ret->kind = expr->kind; |
c3e695ff | 407 | |
408 | ret->data = copyExprData (expr->data, expr->kind); | |
86d93ed3 | 409 | ret->ct = expr->ct; |
410 | ret->origType = expr->origType; | |
3aaedf88 | 411 | return ret; |
412 | } | |
413 | ||
414 | ||
28bf4b0b | 415 | /*@only@*/ static constraintExpr oldconstraintExpr_makeTermExprNode ( /*@dependent@*/ exprNode e) |
3aaedf88 | 416 | { |
417 | constraintExpr ret; | |
418 | constraintTerm t; | |
419 | ret = constraintExpr_alloc(); | |
420 | ret->kind = term; | |
421 | ret->data = dmalloc (sizeof *(ret->data) ); | |
422 | t = constraintTerm_makeExprNode (e); | |
423 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
86d93ed3 | 424 | ret->ct = FALSE; |
425 | ret->origType = ctype_undefined; | |
426 | ||
3aaedf88 | 427 | return ret; |
428 | } | |
429 | ||
0ec8d634 | 430 | /*@access exprNode@*/ |
28bf4b0b | 431 | constraintExpr constraintExpr_makeExprNode (exprNode e) |
3aaedf88 | 432 | { |
433 | sRef s; | |
434 | constraintExpr ret, ce1, ce2; | |
435 | exprData data; | |
436 | exprNode t, t1, t2; | |
437 | lltok tok; | |
438 | ||
dc92450f | 439 | llassert (e != NULL); |
3aaedf88 | 440 | |
441 | data = e->edata; | |
442 | ||
443 | switch (e->kind) | |
444 | { | |
445 | case XPR_SIZEOF: | |
446 | t = exprData_getSingle (data); | |
f96fe483 | 447 | while (exprNode_isInParens (t) ) |
448 | { | |
449 | t = exprData_getUopNode (t->edata); | |
450 | } | |
3aaedf88 | 451 | s = exprNode_getSref (t); |
452 | if (sRef_isFixedArray(s) ) | |
453 | { | |
454 | int size; | |
455 | ||
dc92450f | 456 | size = (int) sRef_getArraySize(s); |
3aaedf88 | 457 | ret = constraintExpr_makeIntLiteral (size); |
458 | } | |
e5081f8c | 459 | else if (exprNode_isStringLiteral (t)) |
f96fe483 | 460 | { |
e5081f8c | 461 | cstring str = multiVal_forceString (exprNode_getValue(t)); |
462 | ret = constraintExpr_makeIntLiteral (size_toLong (cstring_length (str) + 1)); | |
f96fe483 | 463 | } |
3aaedf88 | 464 | else |
465 | { | |
c3e695ff | 466 | DPRINTF ((message ("could not determine the size of %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 467 | ret = oldconstraintExpr_makeTermExprNode (e); |
468 | } | |
469 | break; | |
470 | ||
471 | case XPR_OP: | |
c3e695ff | 472 | DPRINTF ((message ("Examining operation %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 473 | t1 = exprData_getOpA (data); |
474 | t2 = exprData_getOpB (data); | |
475 | tok = exprData_getOpTok (data); | |
476 | ||
477 | if (lltok_isPlus_Op (tok) || lltok_isMinus_Op (tok) ) | |
478 | { | |
479 | ce1 = constraintExpr_makeExprNode (t1); | |
480 | ce2 = constraintExpr_makeExprNode (t2); | |
481 | ret = constraintExpr_parseMakeBinaryOp (ce1, tok, ce2); | |
482 | } | |
86d93ed3 | 483 | |
484 | ||
485 | /*@i333*/ | |
486 | /* uncomment this block to activate the cheesy heuristic | |
487 | for handling sizeof expressions | |
488 | ||
489 | / * | |
7edb30e6 | 490 | drl 8-11-001 |
491 | ||
492 | We handle expressions containing sizeof with the rule | |
493 | (sizeof type ) * Expr = Expr | |
494 | ||
495 | This is the total wronge way to do this but... | |
496 | it may be better than nothing | |
86d93ed3 | 497 | * / |
498 | ||
499 | ||
500 | ||
7edb30e6 | 501 | else if (lltok_isMult(tok) ) |
3aaedf88 | 502 | { |
7edb30e6 | 503 | if ((t1->kind == XPR_SIZEOF) || (t1->kind == XPR_SIZEOFT) ) |
504 | { | |
505 | ret = constraintExpr_makeExprNode(t2); | |
506 | } | |
507 | else if ((t2->kind == XPR_SIZEOF) || (t2->kind == XPR_SIZEOFT) ) | |
508 | { | |
509 | ret = constraintExpr_makeExprNode(t1); | |
86d93ed3 | 510 | } |
7edb30e6 | 511 | else |
512 | { | |
513 | ret = oldconstraintExpr_makeTermExprNode (e); | |
514 | } | |
3aaedf88 | 515 | } |
86d93ed3 | 516 | */ |
7edb30e6 | 517 | else |
518 | ret = oldconstraintExpr_makeTermExprNode (e); | |
519 | ||
3aaedf88 | 520 | break; |
521 | case XPR_PARENS: | |
522 | t = exprData_getUopNode (data); | |
523 | ret = constraintExpr_makeExprNode (t); | |
524 | break; | |
525 | ||
526 | case XPR_PREOP: | |
527 | t = exprData_getUopNode (data); | |
528 | tok = exprData_getUopTok (data); | |
16c024b5 | 529 | if (lltok_isIncOp (tok)) |
3aaedf88 | 530 | { |
531 | constraintExpr temp; | |
532 | temp = constraintExpr_makeExprNode(t); | |
533 | ret = constraintExpr_makeIncConstraintExpr(temp); | |
534 | } | |
16c024b5 | 535 | else if (lltok_isDecOp (tok)) |
3aaedf88 | 536 | { |
537 | constraintExpr temp; | |
538 | temp = constraintExpr_makeExprNode(t); | |
539 | ret = constraintExpr_makeDecConstraintExpr(temp); | |
540 | } | |
541 | else | |
542 | ret = oldconstraintExpr_makeTermExprNode (e); | |
543 | break; | |
544 | ||
545 | case XPR_POSTOP: | |
546 | t = exprData_getUopNode (data); | |
547 | ret = constraintExpr_makeExprNode (t); | |
548 | break; | |
470b7798 | 549 | case XPR_CAST: |
550 | t = exprData_getCastNode (data); | |
551 | ret = constraintExpr_makeExprNode (t); | |
552 | break; | |
553 | case XPR_COMMA: | |
554 | t = exprData_getPairA(data); | |
c3e695ff | 555 | ret = constraintExpr_makeExprNode(t); |
11db3170 | 556 | /*@i3434*/ /* drl: I'm not sure if this is right. I'm adding a break to quiet Splint */ |
c3e695ff | 557 | break; |
3aaedf88 | 558 | default: |
559 | ret = oldconstraintExpr_makeTermExprNode (e); | |
560 | ||
561 | } | |
562 | return ret; | |
563 | } | |
564 | ||
0ec8d634 | 565 | /*@noaccess exprNode@*/ |
566 | ||
567 | ||
568 | ||
569 | ||
b7b694d6 | 570 | /*@only@*/ constraintExpr constraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e) |
3aaedf88 | 571 | { |
b7b694d6 | 572 | return oldconstraintExpr_makeTermExprNode(e); |
3aaedf88 | 573 | } |
574 | ||
28bf4b0b | 575 | static constraintExpr constraintExpr_makeTerm (/*@only@*/ constraintTerm t) |
920a3797 | 576 | { |
577 | constraintExpr ret; | |
578 | ||
579 | ret = constraintExpr_alloc(); | |
580 | ret->kind = term; | |
581 | ret->data = dmalloc (sizeof *(ret->data) ); | |
a779b61e | 582 | ret->data->term = NULL; |
920a3797 | 583 | ret->data = constraintExprData_termSetTerm (ret->data, t); |
86d93ed3 | 584 | ret->ct = FALSE; |
585 | ret->origType = ctype_undefined; | |
920a3797 | 586 | |
587 | return ret; | |
588 | } | |
3aaedf88 | 589 | |
28bf4b0b | 590 | constraintExpr constraintExpr_makeTermsRef (/*@temp@*/ sRef s) |
3aaedf88 | 591 | { |
592 | constraintExpr ret; | |
593 | constraintTerm t; | |
594 | ret = constraintExpr_alloc(); | |
595 | ret->kind = term; | |
596 | ret->data = dmalloc (sizeof *(ret->data) ); | |
597 | t = constraintTerm_makesRef (s); | |
598 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
86d93ed3 | 599 | |
600 | ret->ct = FALSE; | |
601 | ret->origType = ctype_undefined; | |
602 | ||
3aaedf88 | 603 | return ret; |
604 | } | |
605 | ||
749f175a | 606 | /*@special@*/ /*@notnull@*/ static constraintExpr makeUnaryOpGeneric (void) /*@allocates result->data@*/ /*@defines result->kind@*/ |
3aaedf88 | 607 | { |
608 | constraintExpr ret; | |
609 | ret = constraintExpr_alloc(); | |
610 | ret->kind = unaryExpr; | |
611 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
a779b61e | 612 | ret->data->unaryOp.expr = constraintExpr_undefined; |
3aaedf88 | 613 | return ret; |
614 | } | |
615 | ||
749f175a | 616 | /*@notnull@*/ /*@only@*/ static constraintExpr constraintExpr_makeUnaryOpConstraintExpr (/*@only@*/ constraintExpr cexpr) |
3aaedf88 | 617 | { |
618 | constraintExpr ret; | |
920a3797 | 619 | ret = makeUnaryOpGeneric(); |
a8e557d3 | 620 | |
621 | /*@-uniondef@*/ | |
622 | /*@-compdef@*/ | |
b7b694d6 | 623 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); |
624 | ret->data = constraintExprData_unaryExprSetOp (ret->data, UNARYOP_UNDEFINED); | |
625 | ||
3aaedf88 | 626 | return ret; |
b7b694d6 | 627 | |
a8e557d3 | 628 | /*@=compdef@*/ |
c3e695ff | 629 | /*@=uniondef@*/ |
3aaedf88 | 630 | } |
631 | ||
920a3797 | 632 | |
749f175a | 633 | /*@only@*/ /*@notnull@*/static constraintExpr constraintExpr_makeUnaryOp (/*@only@*/ constraintExpr cexpr, constraintExprUnaryOpKind Op ) |
920a3797 | 634 | { |
635 | constraintExpr ret; | |
636 | ret = makeUnaryOpGeneric(); | |
637 | ||
638 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); | |
639 | ret->data = constraintExprData_unaryExprSetOp (ret->data, Op); | |
640 | ||
86d93ed3 | 641 | ret->ct = FALSE; |
642 | ret->origType = ctype_undefined; | |
643 | ||
920a3797 | 644 | return ret; |
645 | } | |
646 | ||
749f175a | 647 | /*@only@*/ /*@notnull@*/ |
4ab867d6 | 648 | static constraintExpr constraintExpr_makeUnaryOpExprNode (/*@exposed@*/ exprNode expr) |
3aaedf88 | 649 | { |
650 | constraintExpr ret; | |
651 | constraintExpr sub; | |
652 | sub = constraintExpr_makeExprNode (expr); | |
653 | ret = constraintExpr_makeUnaryOpConstraintExpr(sub); | |
d46ce6a4 | 654 | |
3aaedf88 | 655 | return ret; |
656 | } | |
657 | ||
749f175a | 658 | /*@only@*/ /*@notnull@*/ |
659 | static constraintExpr constraintExpr_makeMaxSetConstraintExpr (/*@only@*/ constraintExpr c) | |
660 | { | |
661 | constraintExpr ret; | |
662 | ret = constraintExpr_makeUnaryOp (c, MAXSET); | |
663 | return ret; | |
664 | } | |
3aaedf88 | 665 | |
666 | ||
749f175a | 667 | /*@only@*/ /*@notnull@*/ |
28bf4b0b | 668 | static constraintExpr constraintExpr_makeSRefUnaryOp (/*@temp@*/ /*@observer@*/ sRef s, constraintExprUnaryOpKind op) |
3aaedf88 | 669 | { |
670 | constraintExpr ret; | |
671 | constraintExpr t; | |
672 | ||
673 | t = constraintExpr_makeTermsRef (s); | |
674 | ret = constraintExpr_makeUnaryOpConstraintExpr (t); | |
675 | ret->data = constraintExprData_unaryExprSetOp (ret->data, op); | |
d46ce6a4 | 676 | |
3aaedf88 | 677 | return ret; |
678 | } | |
679 | ||
bb25bea6 | 680 | /*@only@*/ |
28bf4b0b | 681 | constraintExpr constraintExpr_makeSRefMaxRead( sRef s) |
470b7798 | 682 | { |
683 | return (constraintExpr_makeSRefUnaryOp (s, MAXREAD) ); | |
684 | } | |
685 | ||
bb25bea6 | 686 | /*@only@*/ |
28bf4b0b | 687 | constraintExpr constraintExpr_makeSRefMaxset ( sRef s) |
3aaedf88 | 688 | { |
689 | return (constraintExpr_makeSRefUnaryOp (s, MAXSET) ); | |
690 | } | |
691 | ||
bb25bea6 | 692 | /*@only@*/ |
3aaedf88 | 693 | constraintExpr constraintExpr_parseMakeUnaryOp (lltok op, constraintExpr cexpr) |
694 | { | |
695 | constraintExpr ret; | |
696 | ret = constraintExpr_makeUnaryOpConstraintExpr ( cexpr); | |
697 | ||
80489f0a | 698 | switch (lltok_getTok (op)) |
3aaedf88 | 699 | { |
700 | case QMAXSET: | |
701 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET); | |
702 | break; | |
703 | case QMAXREAD: | |
704 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
705 | break; | |
706 | default: | |
2f2892c2 | 707 | llfatalbug (message ("Unhandled operation in constraint: %s", lltok_unparse (op))); |
3aaedf88 | 708 | } |
709 | return ret; | |
710 | } | |
711 | ||
bb25bea6 | 712 | /*@only@*/ |
4ab867d6 | 713 | constraintExpr constraintExpr_makeMaxSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 714 | { |
715 | constraintExpr ret; | |
716 | ret = constraintExpr_makeExprNode (expr); | |
717 | ||
718 | ret = constraintExpr_makeMaxSetConstraintExpr (ret); | |
719 | ||
dc92450f | 720 | llassert (ret != NULL); |
3aaedf88 | 721 | return ret; |
722 | } | |
723 | ||
bb25bea6 | 724 | /*@only@*/ |
3aaedf88 | 725 | constraintExpr constraintExpr_makeMaxReadExpr (exprNode expr) |
726 | { | |
727 | constraintExpr ret; | |
728 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
729 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
730 | return ret; | |
731 | } | |
732 | ||
15b3d2b2 | 733 | # if 0 |
bb25bea6 | 734 | /*@only@*/ |
28bf4b0b | 735 | /*@unused@*/ static constraintExpr constraintExpr_makeMinSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 736 | { |
737 | constraintExpr ret; | |
738 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
739 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINSET); | |
740 | return ret; | |
741 | } | |
742 | ||
bb25bea6 | 743 | /*@only@*/ |
28bf4b0b | 744 | /*@unused@*/ static constraintExpr constraintExpr_makeMinReadExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 745 | { |
746 | constraintExpr ret; | |
747 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
748 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINREAD); | |
749 | return ret; | |
750 | } | |
15b3d2b2 | 751 | # endif |
3aaedf88 | 752 | |
bb25bea6 | 753 | /*@only@*/ |
4ab867d6 | 754 | constraintExpr constraintExpr_makeValueExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 755 | { |
756 | constraintExpr ret; | |
757 | ret = constraintExpr_makeExprNode (expr); | |
758 | return ret; | |
759 | } | |
760 | ||
749f175a | 761 | /*@only@*/ /*@notnull@*/ |
b9904f57 | 762 | constraintExpr constraintExpr_makeIntLiteral (long i) |
3aaedf88 | 763 | { |
764 | constraintExpr ret; | |
765 | constraintTerm t; | |
766 | ret = constraintExpr_alloc(); | |
767 | ret->kind = term; | |
768 | ret->data = dmalloc (sizeof *(ret->data) ); | |
769 | t = constraintTerm_makeIntLiteral (i); | |
770 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
86d93ed3 | 771 | |
772 | ret->ct = FALSE; | |
773 | ret->origType = ctype_undefined; | |
774 | ||
3aaedf88 | 775 | return ret; |
776 | } | |
777 | ||
c3e695ff | 778 | /* |
3aaedf88 | 779 | constraintExpr constraintExpr_makeValueInt (int i) |
780 | { | |
781 | return constraintExpr_makeIntLiteral (i); | |
782 | } | |
c3e695ff | 783 | */ |
3aaedf88 | 784 | |
749f175a | 785 | /*@only@*/ /*@notnull@*/ |
28bf4b0b | 786 | /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) |
787 | /*@allocates result->data @*/ /*@sets result->kind @*/ | |
3aaedf88 | 788 | { |
789 | constraintExpr ret; | |
790 | ret = constraintExpr_alloc(); | |
791 | ret->kind = binaryexpr; | |
792 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
a779b61e | 793 | |
794 | ret->data->binaryOp.expr1 = constraintExpr_undefined; | |
795 | ret->data->binaryOp.expr2 = constraintExpr_undefined; | |
796 | ||
3aaedf88 | 797 | return ret; |
798 | } | |
799 | ||
800 | ||
749f175a | 801 | static /*@notnull@*/ /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExpr (/*@only@*/constraintExpr expr1, /*@only@*/ constraintExpr expr2) |
3aaedf88 | 802 | |
803 | { | |
804 | constraintExpr ret; | |
d46ce6a4 | 805 | |
3aaedf88 | 806 | ret = constraintExpr_makeBinaryOp(); |
807 | ret->data = constraintExprData_binaryExprSetExpr1 (ret->data, expr1); | |
808 | ret->data = constraintExprData_binaryExprSetExpr2 (ret->data, expr2); | |
84c9ffbf | 809 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED); |
86d93ed3 | 810 | |
811 | ret->ct = FALSE; | |
812 | ret->origType = ctype_undefined; | |
813 | ||
3aaedf88 | 814 | return ret; |
815 | } | |
816 | ||
bb25bea6 | 817 | /*@only@*/ |
d46ce6a4 | 818 | constraintExpr constraintExpr_parseMakeBinaryOp (/*@only@*/ constraintExpr expr1, lltok op,/*@only@*/ constraintExpr expr2) |
3aaedf88 | 819 | { |
820 | constraintExpr ret; | |
821 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
80489f0a | 822 | |
823 | if (lltok_getTok (op) == TPLUS) | |
824 | { | |
825 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_PLUS); | |
826 | } | |
827 | else if (lltok_getTok (op) == TMINUS) | |
828 | { | |
829 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_MINUS); | |
830 | } | |
831 | else | |
832 | { | |
833 | llassert (FALSE); | |
834 | } | |
835 | ||
3aaedf88 | 836 | return ret; |
837 | } | |
838 | ||
15b3d2b2 | 839 | # if 0 |
bb25bea6 | 840 | /*@only@*/ |
28bf4b0b | 841 | /*@unused@*/ static constraintExpr constraintExpr_makeBinaryOpExprNode (/*@exposed@*/ exprNode expr1, /*@exposed@*/ exprNode expr2) |
3aaedf88 | 842 | { |
843 | constraintExpr ret; | |
844 | constraintExpr sub1, sub2; | |
845 | sub1 = constraintExpr_makeTermExprNode (expr1); | |
846 | sub2 = constraintExpr_makeTermExprNode (expr2); | |
847 | ret = constraintExpr_makeBinaryOpConstraintExpr(sub1, sub2); | |
848 | return ret; | |
849 | } | |
15b3d2b2 | 850 | # endif |
3aaedf88 | 851 | |
749f175a | 852 | static /*@notnull@*/ /*@only@*/ |
d46ce6a4 | 853 | constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/ constraintExpr expr, int literal) |
3aaedf88 | 854 | { |
855 | constraintExpr ret; | |
856 | constraintExpr constExpr; | |
857 | ||
858 | constExpr = constraintExpr_makeIntLiteral (literal); | |
859 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, constExpr); | |
0c91982e | 860 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_PLUS); |
3aaedf88 | 861 | return ret; |
862 | } | |
863 | ||
bb25bea6 | 864 | /*@only@*/ |
d46ce6a4 | 865 | constraintExpr constraintExpr_makeDecConstraintExpr (/*@only@*/constraintExpr expr) |
3aaedf88 | 866 | { |
867 | constraintExpr ret; | |
868 | constraintExpr inc; | |
869 | ||
870 | inc = constraintExpr_makeIntLiteral (1); | |
871 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
acfb6ad9 | 872 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_MINUS); |
3aaedf88 | 873 | return ret; |
874 | } | |
875 | ||
2934b455 | 876 | |
877 | /*@only@*/ constraintExpr constraintExpr_makeSubtractExpr (/*@only@*/ constraintExpr expr, /*@only@*/ constraintExpr addent) | |
878 | { | |
28bf4b0b | 879 | constraintExpr ret; |
2934b455 | 880 | |
bb7c2085 | 881 | DPRINTF ((message ("Making subtract expression") ) ); |
2934b455 | 882 | |
28bf4b0b | 883 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
acfb6ad9 | 884 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_MINUS); |
28bf4b0b | 885 | return ret; |
2934b455 | 886 | } |
887 | ||
bb25bea6 | 888 | /*@only@*/ |
2934b455 | 889 | constraintExpr constraintExpr_makeAddExpr (/*@only@*/ |
bb25bea6 | 890 | constraintExpr expr, /*@only@*/ |
2934b455 | 891 | constraintExpr addent) |
3aaedf88 | 892 | { |
28bf4b0b | 893 | constraintExpr ret; |
3aaedf88 | 894 | |
bb7c2085 | 895 | DPRINTF ((message ("Doing addTerm simplification") ) ); |
3aaedf88 | 896 | |
28bf4b0b | 897 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
0c91982e | 898 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_PLUS); |
28bf4b0b | 899 | return ret; |
3aaedf88 | 900 | } |
901 | ||
2934b455 | 902 | |
bb25bea6 | 903 | /*@only@*/ |
d46ce6a4 | 904 | constraintExpr constraintExpr_makeIncConstraintExpr (/*@only@*/ constraintExpr expr) |
3aaedf88 | 905 | { |
906 | constraintExpr ret; | |
907 | constraintExpr inc; | |
908 | ||
909 | inc = constraintExpr_makeIntLiteral (1); | |
910 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
0c91982e | 911 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_PLUS); |
3aaedf88 | 912 | return ret; |
913 | } | |
914 | ||
bb25bea6 | 915 | /*@only@*/ |
916 | static cstring constraintExprUnaryOpKind_print (constraintExprUnaryOpKind op) | |
3aaedf88 | 917 | { |
918 | switch (op) | |
919 | { | |
920 | case MAXSET: | |
03d670b6 | 921 | return message("maxSet"); |
3aaedf88 | 922 | case MINSET: |
03d670b6 | 923 | return message("minSet"); |
3aaedf88 | 924 | case MAXREAD: |
03d670b6 | 925 | return message("maxRead"); |
3aaedf88 | 926 | case MINREAD: |
03d670b6 | 927 | return message("minRead"); |
3aaedf88 | 928 | default: |
929 | llassert(FALSE); | |
930 | return message ("<(Unary OP OTHER>"); | |
931 | } | |
932 | } | |
933 | ||
934 | ||
bb25bea6 | 935 | /*@only@*/ |
936 | static cstring constraintExprBinaryOpKind_print (constraintExprBinaryOpKind op) | |
3aaedf88 | 937 | { |
938 | ||
939 | switch (op) | |
940 | { | |
0c91982e | 941 | case BINARYOP_PLUS: |
3aaedf88 | 942 | return message("+"); |
acfb6ad9 | 943 | case BINARYOP_MINUS: |
3aaedf88 | 944 | return message("-"); |
dc92450f | 945 | |
946 | default: | |
947 | llassert(FALSE); | |
948 | return message ("<binary OP Unknown>"); | |
3aaedf88 | 949 | } |
3aaedf88 | 950 | } |
951 | ||
952 | bool constraintExpr_similar (constraintExpr expr1, constraintExpr expr2) | |
953 | { | |
954 | constraintExprKind kind; | |
955 | ||
956 | llassert (expr1 != NULL); | |
957 | llassert (expr2 != NULL); | |
958 | if (expr1->kind != expr2->kind) | |
959 | return FALSE; | |
960 | ||
961 | kind = expr1->kind; | |
962 | ||
963 | switch (kind) | |
964 | { | |
965 | case term: | |
966 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
967 | constraintExprData_termGetTerm(expr2->data) ); | |
c3e695ff | 968 | /*@notreached@*/ break; |
3aaedf88 | 969 | |
970 | case unaryExpr: | |
971 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
972 | return FALSE; | |
973 | ||
974 | return (constraintExpr_similar ( | |
975 | constraintExprData_unaryExprGetExpr (expr1->data), | |
976 | constraintExprData_unaryExprGetExpr (expr2->data) | |
977 | )); | |
978 | ||
979 | case binaryexpr: | |
980 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
981 | return FALSE; | |
982 | ||
983 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
984 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
985 | return FALSE; | |
986 | ||
987 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
988 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
989 | return FALSE; | |
990 | else | |
991 | return TRUE; | |
992 | /*@notreached@*/ | |
993 | break; | |
994 | ||
995 | default: | |
996 | llassert(FALSE); | |
997 | return FALSE; | |
998 | } | |
999 | /*@notreached@*/ | |
1000 | return FALSE; | |
1001 | } | |
1002 | ||
1003 | bool constraintExpr_same (constraintExpr expr1, constraintExpr expr2) | |
1004 | { | |
1005 | constraintExprKind kind; | |
1006 | ||
1007 | llassert (expr1 != NULL); | |
1008 | llassert (expr2 != NULL); | |
1009 | if (expr1->kind != expr2->kind) | |
1010 | return FALSE; | |
1011 | ||
1012 | kind = expr1->kind; | |
1013 | ||
1014 | switch (kind) | |
1015 | { | |
1016 | case term: | |
1017 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
1018 | constraintExprData_termGetTerm(expr2->data) ); | |
dc92450f | 1019 | /*@notreached@*/ break; |
3aaedf88 | 1020 | |
1021 | case unaryExpr: | |
1022 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
1023 | return FALSE; | |
1024 | ||
1025 | return (constraintExpr_same ( | |
1026 | constraintExprData_unaryExprGetExpr (expr1->data), | |
1027 | constraintExprData_unaryExprGetExpr (expr2->data) | |
1028 | )); | |
1029 | ||
1030 | ||
1031 | case binaryexpr: | |
1032 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
1033 | return FALSE; | |
1034 | ||
1035 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
1036 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
1037 | return FALSE; | |
1038 | ||
1039 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
1040 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
1041 | return FALSE; | |
1042 | else | |
1043 | return TRUE; | |
dc92450f | 1044 | /*@notreached@*/ break; |
3aaedf88 | 1045 | |
1046 | default: | |
1047 | llassert(FALSE); | |
1048 | return FALSE; | |
1049 | } | |
1050 | ||
1051 | /*@notreached@*/ | |
1052 | BADEXIT; | |
1053 | } | |
1054 | ||
9a48d98c | 1055 | bool |
1056 | constraintExpr_search (/*@observer@*/ constraintExpr c, | |
1057 | /*@observer@*/ constraintExpr old) | |
3aaedf88 | 1058 | { |
1059 | bool ret = FALSE; | |
1060 | constraintExprKind kind; | |
1061 | constraintExpr temp; | |
1062 | ||
9a48d98c | 1063 | if (constraintExpr_similar (c, old)) |
3aaedf88 | 1064 | { |
9a48d98c | 1065 | DPRINTF (("Found %q", constraintExpr_unparse (old))); |
3aaedf88 | 1066 | return TRUE; |
1067 | } | |
1068 | ||
749f175a | 1069 | llassert (constraintExpr_isDefined (c) && constraintExpr_isDefined(old) ); |
1070 | ||
1071 | if ( !(constraintExpr_isDefined (c) && constraintExpr_isDefined(old) ) ) | |
1072 | return FALSE; | |
1073 | ||
3aaedf88 | 1074 | kind = c->kind; |
1075 | ||
1076 | switch (kind) | |
1077 | { | |
1078 | case term: | |
1079 | break; | |
1080 | case unaryExpr: | |
1081 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
1082 | ret = ret || constraintExpr_search (temp, old); | |
1083 | break; | |
1084 | case binaryexpr: | |
1085 | ||
1086 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
1087 | ret = ret || constraintExpr_search(temp, old); | |
1088 | ||
1089 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
1090 | ret = ret || constraintExpr_search(temp, old); | |
1091 | break; | |
1092 | default: | |
1093 | llassert(FALSE); | |
1094 | } | |
1095 | return ret; | |
1096 | ||
1097 | } | |
1098 | ||
1099 | ||
28bf4b0b | 1100 | /*@only@*/ constraintExpr constraintExpr_searchandreplace (/*@only@*/ /*@unique@*/ constraintExpr c, /*@temp@*/ constraintExpr old, /*@temp@*/ constraintExpr newExpr ) |
3aaedf88 | 1101 | { |
1102 | constraintExprKind kind; | |
1103 | constraintExpr temp; | |
86d93ed3 | 1104 | constraintExpr ret; |
749f175a | 1105 | |
1106 | llassert(constraintExpr_isDefined (newExpr) && (constraintExpr_isDefined (old) && constraintExpr_isDefined(c) ) ); | |
3aaedf88 | 1107 | |
1108 | if ( constraintExpr_similar (c, old) ) | |
1109 | { | |
86d93ed3 | 1110 | |
1111 | ctype newType, cType; | |
1112 | ||
749f175a | 1113 | |
1114 | ||
86d93ed3 | 1115 | |
1116 | ret = constraintExpr_copy (newExpr); | |
749f175a | 1117 | llassert(constraintExpr_isDefined(ret) ); |
1118 | /*drl if newExpr != NULL then ret will != NULL*/ | |
1119 | ||
470b7798 | 1120 | DPRINTF((message ("Replacing %s with %s", |
28bf4b0b | 1121 | constraintExpr_unparse(old), constraintExpr_unparse(newExpr) |
3aaedf88 | 1122 | ))); |
86d93ed3 | 1123 | |
1124 | if (constraintExpr_canGetCType(c) && constraintExpr_canGetCType(newExpr) ) | |
1125 | { | |
1126 | cType = constraintExpr_getCType(c); | |
1127 | newType = constraintExpr_getCType(newExpr); | |
1128 | ||
1129 | if (ctype_match(cType,newType) ) | |
1130 | { | |
1131 | DPRINTF(( message("constraintExpr_searchandreplace: replacing " | |
1132 | " %s with type %s with %s with type %s", | |
1133 | constraintExpr_print(c), ctype_unparse(cType), | |
1134 | constraintExpr_print(newExpr), ctype_unparse(newType) | |
1135 | ) | |
1136 | )); | |
1137 | ||
1138 | ret->ct = TRUE; | |
1139 | ret->origType = cType; | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | if (constraintExpr_hasMaxSet(c) ) | |
1144 | { | |
1145 | if (constraintExpr_hasTypeChange(c)) | |
1146 | { | |
1147 | DPRINTF(( message("constraintExpr_searchandreplace: encountered " | |
1148 | "MaxSet with changed type %s ", | |
1149 | constraintExpr_print(c) ) | |
1150 | )); | |
1151 | ||
1152 | /*fix this with a conversation */ | |
1153 | ret = constraintExpr_adjustMaxSetForCast(ret, constraintExpr_getOrigType(c)); | |
1154 | } | |
1155 | } | |
bb25bea6 | 1156 | constraintExpr_free(c); |
86d93ed3 | 1157 | |
1158 | return ret; | |
3aaedf88 | 1159 | } |
1160 | ||
1161 | kind = c->kind; | |
1162 | ||
1163 | switch (kind) | |
1164 | { | |
1165 | case term: | |
1166 | break; | |
1167 | case unaryExpr: | |
1168 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1169 | temp = constraintExpr_copy(temp); |
28bf4b0b | 1170 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1171 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); |
1172 | break; | |
1173 | case binaryexpr: | |
1174 | ||
1175 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 1176 | temp = constraintExpr_copy(temp); |
28bf4b0b | 1177 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1178 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); |
1179 | ||
1180 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1181 | temp = constraintExpr_copy(temp); |
28bf4b0b | 1182 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1183 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); |
1184 | break; | |
1185 | default: | |
1186 | llassert(FALSE); | |
1187 | } | |
1188 | return c; | |
3aaedf88 | 1189 | } |
1190 | ||
749f175a | 1191 | /*@notnull@*/ static constraintExpr constraintExpr_simplifyChildren (/*@returned@*/ /*@notnull@*/ constraintExpr c) |
3aaedf88 | 1192 | { |
1193 | constraintExprKind kind; | |
1194 | constraintExpr temp; | |
1195 | ||
1196 | kind = c->kind; | |
1197 | ||
1198 | switch (kind) | |
1199 | { | |
1200 | case term: | |
1201 | break; | |
1202 | case unaryExpr: | |
1203 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1204 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1205 | temp = constraintExpr_simplify (temp); |
1206 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
1207 | break; | |
1208 | case binaryexpr: | |
c3e695ff | 1209 | DPRINTF((message("constraintExpr_simplfiyChildren: simplify binary expression: %s",constraintExpr_unparse(c) ) ) ); |
3aaedf88 | 1210 | temp = constraintExprData_binaryExprGetExpr1 (c->data); |
d46ce6a4 | 1211 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1212 | temp = constraintExpr_simplify (temp); |
1213 | ||
1214 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
1215 | ||
1216 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1217 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1218 | temp = constraintExpr_simplify (temp); |
1219 | ||
1220 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
1221 | break; | |
1222 | default: | |
1223 | llassert(FALSE); | |
1224 | } | |
1225 | return c; | |
1226 | ||
1227 | } | |
1228 | ||
1229 | ||
28bf4b0b | 1230 | constraintExpr constraintExpr_setFileloc (/*@returned@*/ constraintExpr c, fileloc loc) /*@modifies c @*/ |
3aaedf88 | 1231 | { |
1232 | constraintTerm t; | |
1233 | constraintExpr temp; | |
1234 | ||
dc92450f | 1235 | llassert(c != NULL); |
3aaedf88 | 1236 | |
1237 | switch (c->kind) | |
1238 | { | |
1239 | case term: | |
1240 | t = constraintExprData_termGetTerm (c->data); | |
d46ce6a4 | 1241 | t = constraintTerm_copy(t); |
3aaedf88 | 1242 | t = constraintTerm_setFileloc (t, loc); |
1243 | c->data = constraintExprData_termSetTerm (c->data, t); | |
1244 | break; | |
1245 | case binaryexpr: | |
1246 | ||
1247 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 1248 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1249 | temp = constraintExpr_setFileloc (temp, loc); |
1250 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
1251 | ||
1252 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1253 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1254 | temp = constraintExpr_setFileloc (temp, loc); |
1255 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
1256 | break; | |
1257 | case unaryExpr: | |
1258 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1259 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1260 | temp = constraintExpr_setFileloc (temp, loc); |
1261 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
1262 | break; | |
1263 | } | |
1264 | return c; | |
1265 | } | |
1266 | ||
749f175a | 1267 | static /*@only@*/ constraintExpr constraintExpr_simplifybinaryExpr (/*@only@*/ /*@notnull@*/ constraintExpr c) |
3aaedf88 | 1268 | { |
1269 | constraintExpr e1, e2; | |
7c9c4a67 | 1270 | constraintExprBinaryOpKind op; |
1271 | ||
3aaedf88 | 1272 | e1 = constraintExprData_binaryExprGetExpr1 (c->data); |
1273 | e2 = constraintExprData_binaryExprGetExpr2 (c->data); | |
1274 | ||
1275 | if (constraintExpr_canGetValue (e1) && constraintExpr_canGetValue(e2) ) | |
1276 | { | |
b9904f57 | 1277 | long i; |
3aaedf88 | 1278 | |
1279 | i = constraintExpr_getValue(e1) + constraintExpr_getValue (e2); | |
d46ce6a4 | 1280 | constraintExpr_free(c); |
3aaedf88 | 1281 | c = constraintExpr_makeIntLiteral (i); |
3aaedf88 | 1282 | } |
7c9c4a67 | 1283 | else |
1284 | { | |
1285 | op = constraintExprData_binaryExprGetOp (c->data); | |
acfb6ad9 | 1286 | if (op == BINARYOP_MINUS) |
7c9c4a67 | 1287 | if (constraintExpr_similar(e1, e2) ) |
1288 | { | |
1289 | constraintExpr_free(c); | |
1290 | c = constraintExpr_makeIntLiteral (0); | |
1291 | } | |
1292 | } | |
1293 | ||
3aaedf88 | 1294 | return c; |
1295 | } | |
1296 | ||
bb25bea6 | 1297 | /* |
1298 | this thing takes the lexpr and expr of a constraint and modifies lexpr | |
1299 | and returns a (possiblly new) value for expr | |
1300 | */ | |
1301 | /* if lexpr is a binary express say x + y, we set lexpr to x and return a value for expr such as expr_old - y */ | |
1302 | ||
1303 | /* the approach is a little Kludgy but seems to work. I should probably use something cleaner at some point ... */ | |
1304 | ||
1305 | ||
1306 | /*@only@*/ constraintExpr constraintExpr_solveBinaryExpr (constraintExpr lexpr, /*@only@*/ constraintExpr expr) | |
3aaedf88 | 1307 | { |
1308 | constraintExpr expr1, expr2; | |
1309 | constraintExprBinaryOpKind op; | |
749f175a | 1310 | |
1311 | llassert(constraintExpr_isDefined (lexpr) && constraintExpr_isDefined (expr) ); | |
3aaedf88 | 1312 | |
1313 | if (lexpr->kind != binaryexpr) | |
1314 | return expr; | |
1315 | ||
1316 | expr2 = constraintExprData_binaryExprGetExpr2 (lexpr->data); | |
1317 | expr1 = constraintExprData_binaryExprGetExpr1 (lexpr->data); | |
bb25bea6 | 1318 | |
3aaedf88 | 1319 | op = constraintExprData_binaryExprGetOp (lexpr->data); |
1320 | ||
bb25bea6 | 1321 | expr1 = constraintExpr_copy(expr1); |
1322 | expr2 = constraintExpr_copy(expr2); | |
749f175a | 1323 | |
1324 | llassert(constraintExpr_isDefined (expr1) && constraintExpr_isDefined (expr2) ); | |
1325 | ||
b7b694d6 | 1326 | /* drl possible problem : warning make sure this works */ |
1327 | ||
1328 | lexpr->kind = expr1->kind; | |
1329 | sfree (lexpr->data); | |
1330 | ||
1331 | lexpr->data = copyExprData (expr1->data, expr1->kind); | |
1332 | constraintExpr_free(expr1); | |
1333 | ||
0c91982e | 1334 | if (op == BINARYOP_PLUS) |
b7b694d6 | 1335 | expr = constraintExpr_makeSubtractExpr (expr, expr2); |
acfb6ad9 | 1336 | else if (op == BINARYOP_MINUS) |
b7b694d6 | 1337 | expr = constraintExpr_makeAddExpr (expr, expr2); |
1338 | else | |
1339 | BADEXIT; | |
1340 | ||
1341 | ||
1342 | return expr; | |
bb25bea6 | 1343 | |
c3e695ff | 1344 | /* |
1345 | #warning this needs to be checked | |
1346 | expr = constraintExpr_solveBinaryExpr (expr1, expr); | |
1347 | ||
1348 | expr = constraintExpr_solveBinaryExpr (expr2, expr); | |
1349 | return expr; | |
1350 | */ | |
3aaedf88 | 1351 | } |
1352 | ||
bb25bea6 | 1353 | static /*@only@*/ constraintExpr constraintExpr_simplifyunaryExpr (/*@only@*/ constraintExpr c) |
3aaedf88 | 1354 | { |
1355 | constraintExpr exp; | |
749f175a | 1356 | |
1357 | llassert(constraintExpr_isDefined (c) ); | |
3aaedf88 | 1358 | llassert (c->kind == unaryExpr); |
1359 | ||
d30bc0c7 | 1360 | DPRINTF ((message ("Doing constraintExpr_simplifyunaryExpr:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1361 | |
bb7c2085 | 1362 | if ((constraintExprData_unaryExprGetOp (c->data) != MAXSET) && |
3aaedf88 | 1363 | (constraintExprData_unaryExprGetOp (c->data) != MAXREAD) ) |
1364 | { | |
1365 | return c; | |
1366 | } | |
3aaedf88 | 1367 | |
1368 | exp = constraintExprData_unaryExprGetExpr (c->data); | |
a779b61e | 1369 | exp = constraintExpr_copy(exp); |
1370 | ||
749f175a | 1371 | llassert(constraintExpr_isDefined (exp) ); |
1372 | ||
3aaedf88 | 1373 | if (exp->kind == term) |
1374 | { | |
1375 | constraintTerm cterm; | |
1376 | ||
1377 | cterm = constraintExprData_termGetTerm (exp->data); | |
1378 | ||
1379 | if (constraintTerm_isStringLiteral(cterm) ) | |
1380 | { | |
1381 | cstring val; | |
1382 | val = constraintTerm_getStringLiteral (cterm); | |
1383 | if (constraintExprData_unaryExprGetOp (c->data) == MAXSET) | |
1384 | { | |
d46ce6a4 | 1385 | constraintExpr temp; |
1386 | ||
28bf4b0b | 1387 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1388 | cstring_free(val); |
1389 | constraintExpr_free(c); | |
a779b61e | 1390 | constraintExpr_free(exp); |
1391 | ||
d46ce6a4 | 1392 | return temp; |
a779b61e | 1393 | |
3aaedf88 | 1394 | } |
1395 | if (constraintExprData_unaryExprGetOp (c->data) == MAXREAD) | |
1396 | { | |
d46ce6a4 | 1397 | constraintExpr temp; |
1398 | ||
28bf4b0b | 1399 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1400 | cstring_free(val); |
1401 | constraintExpr_free(c); | |
a779b61e | 1402 | constraintExpr_free(exp); |
1403 | ||
d46ce6a4 | 1404 | return temp; |
3aaedf88 | 1405 | } |
1406 | BADEXIT; | |
1407 | } | |
d30bc0c7 | 1408 | |
b7b694d6 | 1409 | /* slight Kludge to hanlde var [] = { , , }; |
1410 | ** type syntax I don't think this is sounds but it should be good | |
1411 | ** enough. The C stanrad is very confusing about initialization | |
1412 | ** -- DRL 7/25/01 | |
1413 | */ | |
d30bc0c7 | 1414 | |
1415 | if (constraintTerm_isInitBlock(cterm) ) | |
1416 | { | |
1417 | constraintExpr temp; | |
1418 | int len; | |
1419 | ||
1420 | len = constraintTerm_getInitBlockLength(cterm); | |
1421 | ||
1422 | temp = constraintExpr_makeIntLiteral (len ); | |
1423 | ||
1424 | constraintExpr_free(c); | |
1425 | DPRINTF(( message("Changed too %q", constraintExpr_print(temp) | |
1426 | ) )); | |
a779b61e | 1427 | constraintExpr_free(exp); |
d30bc0c7 | 1428 | return temp; |
1429 | } | |
1430 | ||
a779b61e | 1431 | constraintExpr_free(exp); |
3aaedf88 | 1432 | return c; |
1433 | } | |
1434 | ||
1435 | if (exp->kind != binaryexpr) | |
a779b61e | 1436 | { |
1437 | constraintExpr_free(exp); | |
1438 | return c; | |
1439 | } | |
1440 | ||
0c91982e | 1441 | if (constraintExprData_binaryExprGetOp (exp->data) == BINARYOP_PLUS ) |
3aaedf88 | 1442 | { |
1443 | ||
b7b694d6 | 1444 | /* if (constraintExpr_canGetValue (constraintExprData_binaryExprGetExpr2 (exp->data) ) ) */ |
3aaedf88 | 1445 | { |
1446 | ||
4ab867d6 | 1447 | constraintExpr temp, temp2; |
3aaedf88 | 1448 | |
bb7c2085 | 1449 | DPRINTF ((message ("Doing fancy simplification") ) ); |
3aaedf88 | 1450 | |
1451 | temp = constraintExprData_binaryExprGetExpr2 (exp->data); | |
1452 | ||
1453 | temp2 = constraintExprData_binaryExprGetExpr1 (exp->data); | |
d46ce6a4 | 1454 | |
1455 | temp2 = constraintExpr_copy(temp2); | |
3aaedf88 | 1456 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp2); |
1457 | ||
1458 | ||
bb25bea6 | 1459 | temp = constraintExpr_copy (temp); |
1460 | ||
2934b455 | 1461 | c = constraintExpr_makeSubtractExpr (c, temp); |
3aaedf88 | 1462 | |
bb7c2085 | 1463 | DPRINTF ((message ("Done fancy simplification:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1464 | } |
1465 | } | |
1466 | ||
bb7c2085 | 1467 | DPRINTF ((message ("constraintExpr_simplifyUnaryExpr: Done simplification:%s", constraintExpr_unparse (c) ) ) ); |
a779b61e | 1468 | |
1469 | constraintExpr_free(exp); | |
3aaedf88 | 1470 | return c; |
1471 | } | |
1472 | ||
1473 | ||
bb25bea6 | 1474 | /*@only@*/ constraintExpr constraintExpr_simplify (/*@only@*/ constraintExpr c) |
3aaedf88 | 1475 | { |
1476 | constraintExprKind kind; | |
bb25bea6 | 1477 | constraintExpr ret; |
3aaedf88 | 1478 | constraintTerm t; |
3aaedf88 | 1479 | |
bb7c2085 | 1480 | DPRINTF ((message ("Doing constraintExpr_simplify:%s", constraintExpr_unparse (c) ) ) ); |
bb25bea6 | 1481 | |
3aaedf88 | 1482 | |
bb25bea6 | 1483 | /*@i22*/ |
3aaedf88 | 1484 | |
11db3170 | 1485 | /* drl: I think this is an Splint bug */ |
bb25bea6 | 1486 | |
749f175a | 1487 | llassert ( constraintExpr_isDefined (c) ); |
1488 | if (constraintExpr_isUndefined (c) ) | |
1489 | { | |
1490 | return constraintExpr_undefined; | |
1491 | } | |
1492 | ||
bb25bea6 | 1493 | ret = constraintExpr_copy(c); |
749f175a | 1494 | llassert(constraintExpr_isDefined (ret) ); |
1495 | ||
bb25bea6 | 1496 | constraintExpr_free(c); |
1497 | ||
1498 | ret = constraintExpr_simplifyChildren (ret); | |
1499 | ||
1500 | ret = constraintExpr_combineConstants (ret); | |
1501 | ||
1502 | ret = constraintExpr_simplifyChildren (ret); | |
1503 | ||
1504 | ||
1505 | kind = ret->kind; | |
3aaedf88 | 1506 | |
1507 | switch (kind) | |
1508 | { | |
1509 | case term: | |
bb25bea6 | 1510 | t = constraintExprData_termGetTerm (ret->data); |
d46ce6a4 | 1511 | t = constraintTerm_copy(t); |
3aaedf88 | 1512 | t = constraintTerm_simplify (t); |
bb25bea6 | 1513 | ret->data = constraintExprData_termSetTerm (ret->data, t); |
3aaedf88 | 1514 | break; |
1515 | case unaryExpr: | |
bb25bea6 | 1516 | ret = constraintExpr_simplifyunaryExpr (ret); |
3aaedf88 | 1517 | break; |
1518 | case binaryexpr: | |
bb25bea6 | 1519 | ret = constraintExpr_simplifybinaryExpr (ret); |
3aaedf88 | 1520 | break; |
1521 | default: | |
1522 | llassert(FALSE); | |
bb25bea6 | 1523 | } |
1524 | ||
bb7c2085 | 1525 | DPRINTF ((message ("constraintExpr_simplify returning :%s", constraintExpr_unparse (ret) ) ) ); |
bb25bea6 | 1526 | return ret; |
3aaedf88 | 1527 | |
1528 | } | |
1529 | ||
bb25bea6 | 1530 | /*@only@*/ |
4ab867d6 | 1531 | cstring constraintExpr_unparse (/*@temp@*/ /*@observer@*/ constraintExpr ex) /*@*/ |
3aaedf88 | 1532 | { |
1533 | cstring st; | |
1534 | constraintExprKind kind; | |
1535 | ||
1536 | llassert (ex != NULL); | |
1537 | ||
1538 | kind = ex->kind; | |
1539 | ||
1540 | switch (kind) | |
1541 | { | |
1542 | case term: | |
a779b61e | 1543 | |
1544 | if (context_getFlag (FLG_PARENCONSTRAINT) ) | |
1545 | { | |
9a48d98c | 1546 | st = message ("(%q) ", constraintTerm_unparse (constraintExprData_termGetTerm (ex->data))); |
a779b61e | 1547 | } |
1548 | else | |
1549 | { | |
9a48d98c | 1550 | st = message ("%q", constraintTerm_unparse (constraintExprData_termGetTerm (ex->data))); |
a779b61e | 1551 | } |
3aaedf88 | 1552 | break; |
1553 | case unaryExpr: | |
a779b61e | 1554 | st = message ("%q(%q)", |
1555 | constraintExprUnaryOpKind_print (constraintExprData_unaryExprGetOp (ex->data) ), | |
3aaedf88 | 1556 | constraintExpr_unparse (constraintExprData_unaryExprGetExpr (ex->data) ) |
1557 | ); | |
1558 | break; | |
1559 | case binaryexpr: | |
a779b61e | 1560 | if (context_getFlag (FLG_PARENCONSTRAINT) ) |
1561 | { | |
1562 | st = message ("(%q) %q (%q)", | |
3aaedf88 | 1563 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ), |
1564 | constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data) | |
1565 | ), | |
1566 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) ) | |
1567 | ); | |
a779b61e | 1568 | } |
1569 | else | |
1570 | { | |
1571 | st = message ("%q %q %q", | |
1572 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ), | |
1573 | constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data) | |
1574 | ), | |
1575 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) ) | |
1576 | ); | |
1577 | } | |
1578 | ||
3aaedf88 | 1579 | break; |
1580 | default: | |
1581 | llassert(FALSE); | |
1582 | st = message ("error"); | |
1583 | ||
1584 | } | |
1585 | ||
1586 | DPRINTF((message ("constraintExpr_unparse: '%s'",st) ) ); | |
1587 | return st; | |
1588 | } | |
1589 | ||
1590 | constraintExpr constraintExpr_doSRefFixBaseParam (/*@returned@*/ constraintExpr expr, exprNodeList arglist) | |
1591 | { | |
1592 | constraintTerm Term; | |
1593 | constraintExprKind kind; | |
1594 | constraintExpr expr1, expr2; | |
1595 | constraintExprData data; | |
1596 | llassert (expr != NULL); | |
1597 | ||
1598 | data = expr->data; | |
1599 | ||
1600 | kind = expr->kind; | |
1601 | ||
1602 | switch (kind) | |
1603 | { | |
1604 | case term: | |
1605 | Term = constraintExprData_termGetTerm(data); | |
d46ce6a4 | 1606 | Term = constraintTerm_copy(Term); |
1607 | ||
3aaedf88 | 1608 | Term = constraintTerm_doSRefFixBaseParam (Term, arglist); |
1609 | data = constraintExprData_termSetTerm(data, Term); | |
1610 | break; | |
1611 | case unaryExpr: | |
1612 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1613 | expr1 = constraintExpr_copy(expr1); |
1614 | ||
3aaedf88 | 1615 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1616 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1617 | break; | |
1618 | case binaryexpr: | |
1619 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1620 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1621 | ||
d46ce6a4 | 1622 | expr1 = constraintExpr_copy(expr1); |
1623 | expr2 = constraintExpr_copy(expr2); | |
1624 | ||
3aaedf88 | 1625 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1626 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1627 | expr2 = constraintExpr_doSRefFixBaseParam (expr2, arglist); | |
1628 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1629 | ||
1630 | break; | |
1631 | default: | |
1632 | llassert(FALSE); | |
1633 | data = NULL; | |
1634 | } | |
1635 | return expr; | |
1636 | } | |
1637 | ||
86d93ed3 | 1638 | /* |
1639 | / *@only@* / constraintExpr constraintExpr_doSRefFixInvarConstraint (/ *@only@* / constraintExpr expr, sRef s, ctype ct) | |
1640 | { | |
1641 | constraintExprKind kind; | |
1642 | constraintExpr expr1, expr2; | |
1643 | constraintExprData data; | |
1644 | llassert (expr != NULL); | |
1645 | ||
1646 | data = expr->data; | |
1647 | ||
1648 | kind = expr->kind; | |
1649 | ||
1650 | switch (kind) | |
1651 | { | |
1652 | case term: | |
1653 | expr = doSRefFixInvarConstraintTerm (expr, s, ct); | |
1654 | break; | |
1655 | case unaryExpr: | |
1656 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
1657 | expr1 = constraintExpr_copy(expr1); | |
1658 | expr1 = constraintExpr_doSRefFixInvarConstraint (expr1, s, ct); | |
1659 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1660 | break; | |
1661 | case binaryexpr: | |
1662 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1663 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1664 | ||
1665 | expr1 = constraintExpr_copy(expr1); | |
1666 | expr2 = constraintExpr_copy(expr2); | |
1667 | ||
1668 | expr1 = constraintExpr_doSRefFixInvarConstraint (expr1, s, ct); | |
1669 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1670 | expr2 = constraintExpr_doSRefFixInvarConstraint (expr2, s, ct); | |
1671 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1672 | ||
1673 | break; | |
1674 | default: | |
1675 | llassert(FALSE); | |
1676 | data = NULL; | |
1677 | } | |
1678 | return expr; | |
1679 | } | |
1680 | */ | |
1681 | ||
d46ce6a4 | 1682 | /*@only@*/ constraintExpr constraintExpr_doSRefFixConstraintParam (/*@only@*/ constraintExpr expr, exprNodeList arglist) /*@modifies expr@*/ |
3aaedf88 | 1683 | { |
1684 | constraintExprKind kind; | |
1685 | constraintExpr expr1, expr2; | |
1686 | constraintExprData data; | |
1687 | llassert (expr != NULL); | |
1688 | ||
1689 | data = expr->data; | |
1690 | ||
1691 | kind = expr->kind; | |
1692 | ||
1693 | switch (kind) | |
1694 | { | |
1695 | case term: | |
c3e695ff | 1696 | expr = doSRefFixConstraintParamTerm (expr, arglist); |
3aaedf88 | 1697 | break; |
1698 | case unaryExpr: | |
1699 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1700 | expr1 = constraintExpr_copy(expr1); |
3aaedf88 | 1701 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1702 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1703 | break; | |
1704 | case binaryexpr: | |
1705 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1706 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1707 | ||
d46ce6a4 | 1708 | expr1 = constraintExpr_copy(expr1); |
1709 | expr2 = constraintExpr_copy(expr2); | |
1710 | ||
3aaedf88 | 1711 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1712 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1713 | expr2 = constraintExpr_doSRefFixConstraintParam (expr2, arglist); | |
1714 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1715 | ||
1716 | break; | |
1717 | default: | |
1718 | llassert(FALSE); | |
1719 | data = NULL; | |
1720 | } | |
1721 | return expr; | |
1722 | } | |
1723 | ||
28bf4b0b | 1724 | /*@only@*/ constraintExpr constraintExpr_doFixResult (/*@only@*/ constraintExpr expr, /*@observer@*/ exprNode fcnCall) |
3aaedf88 | 1725 | { |
1726 | constraintExprKind kind; | |
1727 | constraintExpr expr1, expr2; | |
1728 | constraintExprData data; | |
1729 | llassert (expr != NULL); | |
1730 | ||
1731 | data = expr->data; | |
1732 | ||
1733 | kind = expr->kind; | |
1734 | ||
1735 | switch (kind) | |
1736 | { | |
1737 | case term: | |
c3e695ff | 1738 | expr = doFixResultTerm (expr, fcnCall); |
3aaedf88 | 1739 | break; |
1740 | case unaryExpr: | |
1741 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1742 | expr1 = constraintExpr_copy(expr1); |
1743 | ||
3aaedf88 | 1744 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1745 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1746 | break; | |
1747 | case binaryexpr: | |
1748 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1749 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1750 | ||
d46ce6a4 | 1751 | expr1 = constraintExpr_copy(expr1); |
1752 | expr2 = constraintExpr_copy(expr2); | |
1753 | ||
3aaedf88 | 1754 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1755 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1756 | expr2 = constraintExpr_doFixResult (expr2, fcnCall); | |
1757 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1758 | ||
1759 | break; | |
1760 | default: | |
1761 | llassert(FALSE); | |
1762 | data = NULL; | |
1763 | } | |
1764 | return expr; | |
1765 | } | |
1766 | ||
dc92450f | 1767 | cstring constraintExpr_print (constraintExpr expr) /*@*/ |
3aaedf88 | 1768 | { |
b9904f57 | 1769 | return constraintExpr_unparse (expr); |
3aaedf88 | 1770 | } |
1771 | ||
dc92450f | 1772 | bool constraintExpr_hasMaxSet (constraintExpr expr) /*@*/ |
3aaedf88 | 1773 | { |
1774 | cstring t; | |
1775 | ||
1776 | t = constraintExpr_unparse(expr); | |
1777 | ||
03d670b6 | 1778 | if (cstring_containsLit(t, "maxSet") != NULL ) |
d46ce6a4 | 1779 | { |
1780 | cstring_free(t); | |
1781 | return (TRUE); | |
1782 | } | |
c3e695ff | 1783 | else |
d46ce6a4 | 1784 | { |
1785 | cstring_free(t); | |
1786 | return FALSE; | |
1787 | } | |
3aaedf88 | 1788 | } |
1789 | ||
1790 | ||
1791 | ||
1792 | /*returns 1 0 -1 like strcmp | |
1793 | 1 => expr1 > expr2 | |
1794 | 0 => expr1 == expr2 | |
1795 | -1 => expr1 < expr2 | |
1796 | */ | |
b9904f57 | 1797 | |
3aaedf88 | 1798 | int constraintExpr_compare (constraintExpr expr1, constraintExpr expr2) |
1799 | { | |
b9904f57 | 1800 | long value1, value2; |
3aaedf88 | 1801 | |
1802 | if (constraintExpr_similar (expr1, expr2) ) | |
1803 | { | |
1804 | return 0; | |
1805 | } | |
b9904f57 | 1806 | |
3aaedf88 | 1807 | value1 = constraintExpr_getValue(expr1); |
1808 | value2 = constraintExpr_getValue(expr2); | |
1809 | ||
1810 | if (value1 > value2) | |
1811 | return 1; | |
1812 | ||
1813 | if (value1 == value2) | |
1814 | return 0; | |
1815 | ||
1816 | else | |
1817 | return -1; | |
1818 | } | |
1819 | ||
b9904f57 | 1820 | long constraintExpr_getValue (constraintExpr expr) |
3aaedf88 | 1821 | { |
749f175a | 1822 | llassert (constraintExpr_isDefined(expr) ); |
3aaedf88 | 1823 | llassert (expr->kind == term); |
749f175a | 1824 | |
b9904f57 | 1825 | return (constraintTerm_getValue (constraintExprData_termGetTerm (expr->data))); |
3aaedf88 | 1826 | } |
1827 | ||
1828 | bool constraintExpr_canGetValue (constraintExpr expr) | |
1829 | { | |
749f175a | 1830 | llassert ( constraintExpr_isDefined (expr) ); |
1831 | if (constraintExpr_isUndefined (expr) ) | |
1832 | { | |
1833 | return FALSE; | |
1834 | } | |
1835 | ||
3aaedf88 | 1836 | switch (expr->kind) |
1837 | { | |
1838 | case term: | |
1839 | return constraintTerm_canGetValue (constraintExprData_termGetTerm (expr->data) ); | |
1840 | default: | |
1841 | return FALSE; | |
1842 | ||
1843 | } | |
c3e695ff | 1844 | |
1845 | BADEXIT; | |
3aaedf88 | 1846 | } |
1847 | ||
3aaedf88 | 1848 | fileloc constraintExpr_getFileloc (constraintExpr expr) |
1849 | { | |
1850 | constraintExpr e; | |
1851 | constraintTerm t; | |
1852 | constraintExprKind kind; | |
1853 | ||
749f175a | 1854 | llassert ( constraintExpr_isDefined (expr) ); |
1855 | if (constraintExpr_isUndefined (expr) ) | |
1856 | { | |
1857 | return fileloc_undefined; | |
1858 | } | |
1859 | ||
1860 | ||
3aaedf88 | 1861 | kind = expr->kind; |
1862 | ||
1863 | switch (kind) | |
1864 | { | |
1865 | case term: | |
1866 | t = constraintExprData_termGetTerm (expr->data); | |
1867 | return (constraintTerm_getFileloc (t) ); | |
c3e695ff | 1868 | /*@notreached@*/ |
3aaedf88 | 1869 | break; |
1870 | case unaryExpr: | |
1871 | e = constraintExprData_unaryExprGetExpr (expr->data); | |
1872 | return (constraintExpr_getFileloc (e) ); | |
c3e695ff | 1873 | /*@notreached@*/ |
3aaedf88 | 1874 | break; |
1875 | case binaryexpr: | |
1876 | e = constraintExprData_binaryExprGetExpr1 (expr->data); | |
1877 | return (constraintExpr_getFileloc (e) ); | |
c3e695ff | 1878 | /*@notreached@*/ |
1879 | break; | |
3aaedf88 | 1880 | } |
1881 | llassert (FALSE); | |
3aaedf88 | 1882 | return (fileloc_undefined); |
1883 | } | |
1884 | ||
c3e695ff | 1885 | /*drl moved from constriantTerm.c 5/20/001*/ |
4ab867d6 | 1886 | static /*@only@*/ constraintExpr |
1887 | doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall) | |
c3e695ff | 1888 | { |
1889 | constraintTerm t; | |
1890 | sRef s; | |
749f175a | 1891 | constraintExprData data; |
1892 | constraintExprKind kind; | |
c3e695ff | 1893 | constraintExpr ret; |
2a6e9c30 | 1894 | |
1895 | llassert (constraintExpr_isDefined (e) ); | |
749f175a | 1896 | |
1897 | data = e->data; | |
1898 | kind = e->kind; | |
2a6e9c30 | 1899 | |
1900 | llassert (kind == term); | |
1901 | ||
c3e695ff | 1902 | t = constraintExprData_termGetTerm (data); |
2a6e9c30 | 1903 | llassert (constraintTerm_isDefined (t)); |
1904 | ||
c3e695ff | 1905 | ret = e; |
2a6e9c30 | 1906 | |
1907 | switch (constraintTerm_getKind (t)) | |
c3e695ff | 1908 | { |
9a48d98c | 1909 | case CTT_EXPR: |
1910 | case CTT_INTLITERAL: | |
c3e695ff | 1911 | break; |
1912 | ||
9a48d98c | 1913 | case CTT_SREF: |
a8e557d3 | 1914 | s = constraintTerm_getSRef(t); |
c3e695ff | 1915 | if (sRef_isResult (s)) |
1916 | { | |
1917 | ret = constraintExpr_makeExprNode(fcnCall); | |
4ab867d6 | 1918 | constraintExpr_free(e); |
1919 | e = NULL; | |
1920 | } | |
1921 | else | |
1922 | { | |
1923 | e = NULL; | |
c3e695ff | 1924 | } |
1925 | break; | |
1926 | default: | |
1927 | BADEXIT; | |
1928 | } | |
1929 | ||
1930 | return ret; | |
1931 | ||
1932 | } | |
2a6e9c30 | 1933 | |
1934 | #if 0 | |
1935 | ||
1936 | /*to be used for structure checking */ | |
1937 | ||
86d93ed3 | 1938 | / *@only@* / static constraintExpr |
1939 | doSRefFixInvarConstraintTerm (/ *@only@* / constraintExpr e, | |
1940 | sRef s, ctype ct) | |
1941 | { | |
1942 | constraintTerm t; | |
1943 | ||
1944 | constraintExprData data = e->data; | |
1945 | ||
1946 | constraintExprKind kind = e->kind; | |
1947 | ||
1948 | constraintExpr ret; | |
c3e695ff | 1949 | |
86d93ed3 | 1950 | llassert(kind == term); |
1951 | ||
1952 | t = constraintExprData_termGetTerm (data); | |
1953 | llassert (constraintTerm_isDefined(t) ); | |
1954 | ||
1955 | ret = e; | |
1956 | ||
1957 | DPRINTF (("Fixing: %s", constraintExpr_print (e))); | |
1958 | ||
1959 | switch (constraintTerm_getKind(t)) | |
1960 | { | |
9a48d98c | 1961 | case CTT_EXPR: |
1962 | DPRINTF((message ("%q @ %q ", constraintTerm_unparse(t), | |
86d93ed3 | 1963 | fileloc_unparse (constraintTerm_getFileloc(t) ) ) )); |
1964 | break; | |
9a48d98c | 1965 | case CTT_INTLITERAL: |
1966 | DPRINTF((message (" %q ", constraintTerm_unparse (t)) )); | |
86d93ed3 | 1967 | break; |
1968 | ||
9a48d98c | 1969 | case CTT_SREF: |
86d93ed3 | 1970 | / * evans 2001-07-24: constants should use the original term * / |
1971 | if (!constraintTerm_canGetValue (t)) | |
1972 | { | |
1973 | sRef snew; | |
1974 | DPRINTF ((message("Doing sRef_fixInvarConstraint for %q ", | |
9a48d98c | 1975 | constraintTerm_unparse (t) ) )); |
86d93ed3 | 1976 | |
1977 | snew = fixSref (ct, s, constraintTerm_getSRef(t)); | |
1978 | ||
1979 | ret = constraintExpr_makeTermsRef(snew); | |
1980 | ||
1981 | constraintExpr_free (e); | |
1982 | ||
1983 | DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ", | |
1984 | constraintExpr_print (ret) ) )); | |
1985 | / *@-branchstate@* / | |
1986 | } / *@=branchstate@* / | |
1987 | ||
1988 | break; | |
1989 | default: | |
1990 | BADEXIT; | |
1991 | } | |
1992 | ||
1993 | return ret; | |
1994 | ||
1995 | } | |
2a6e9c30 | 1996 | #endif |
86d93ed3 | 1997 | |
c3e695ff | 1998 | /*drl moved from constriantTerm.c 5/20/001*/ |
d46ce6a4 | 1999 | /*@only@*/ static constraintExpr |
4ab867d6 | 2000 | doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@observer@*/ /*@temp@*/ exprNodeList arglist) |
c3e695ff | 2001 | { |
2002 | constraintTerm t; | |
2003 | ||
749f175a | 2004 | constraintExprData data; |
c3e695ff | 2005 | |
749f175a | 2006 | constraintExprKind kind; |
c3e695ff | 2007 | |
2008 | constraintExpr ret; | |
2009 | ||
749f175a | 2010 | |
2011 | llassert(constraintExpr_isDefined (e) ); | |
2012 | ||
2013 | data = e->data; | |
2014 | ||
2015 | kind = e->kind; | |
2016 | ||
2017 | ||
2018 | ||
c3e695ff | 2019 | llassert(kind == term); |
2020 | ||
2021 | t = constraintExprData_termGetTerm (data); | |
28bf4b0b | 2022 | llassert (constraintTerm_isDefined(t) ); |
c3e695ff | 2023 | |
2024 | ret = e; | |
b9904f57 | 2025 | |
2026 | DPRINTF (("Fixing: %s", constraintExpr_print (e))); | |
2027 | ||
2028 | switch (constraintTerm_getKind(t)) | |
c3e695ff | 2029 | { |
9a48d98c | 2030 | case CTT_EXPR: |
2031 | DPRINTF((message ("%q @ %q ", constraintTerm_unparse(t), | |
bb25bea6 | 2032 | fileloc_unparse (constraintTerm_getFileloc(t) ) ) )); |
c3e695ff | 2033 | break; |
9a48d98c | 2034 | case CTT_INTLITERAL: |
2035 | DPRINTF((message (" %q ", constraintTerm_unparse (t)) )); | |
d46ce6a4 | 2036 | break; |
9a48d98c | 2037 | case CTT_SREF: |
b9904f57 | 2038 | /* evans 2001-07-24: constants should use the original term */ |
2039 | if (!constraintTerm_canGetValue (t)) | |
2040 | { | |
2041 | DPRINTF ((message("Doing sRef_fixConstraintParam for %q ", | |
9a48d98c | 2042 | constraintTerm_unparse (t) ) )); |
b9904f57 | 2043 | ret = sRef_fixConstraintParam (constraintTerm_getSRef(t), arglist); |
2044 | ||
2045 | constraintExpr_free (e); | |
2046 | ||
2047 | DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ", | |
2048 | constraintExpr_print (ret) ) )); | |
2049 | /*@-branchstate@*/ | |
2050 | } /*@=branchstate@*/ | |
d46ce6a4 | 2051 | |
c3e695ff | 2052 | break; |
2053 | default: | |
2054 | BADEXIT; | |
2055 | } | |
b9904f57 | 2056 | |
c3e695ff | 2057 | return ret; |
2058 | ||
2059 | } | |
3aaedf88 | 2060 | |
2061 | ||
749f175a | 2062 | #if 0 |
2063 | bool constraintExpr_includesTerm (constraintExpr expr, constraintTerm term) | |
2064 | { | |
2065 | if (constraintTerm_hasTerm (expr->term, term) ) | |
2066 | return TRUE; | |
3aaedf88 | 2067 | |
749f175a | 2068 | if ((expr->expr) != NULL) |
2069 | { | |
2070 | return ( constraintExpr_includesTerm (expr->expr, term) ); | |
2071 | } | |
2072 | return FALSE; | |
3aaedf88 | 2073 | |
749f175a | 2074 | } |
2075 | #endif | |
3aaedf88 | 2076 | |
bb25bea6 | 2077 | /*drl added 6/11/01 */ |
2078 | bool constraintExpr_isBinaryExpr (/*@observer@*/ constraintExpr c) | |
2079 | { | |
749f175a | 2080 | |
2081 | llassert(constraintExpr_isDefined (c) ); | |
2082 | ||
2083 | if ( ! (constraintExpr_isDefined (c) ) ) | |
2084 | return FALSE; | |
2085 | ||
bb25bea6 | 2086 | if (c->kind == binaryexpr) |
2087 | return TRUE; | |
3aaedf88 | 2088 | |
bb25bea6 | 2089 | else |
2090 | return FALSE; | |
2091 | } | |
3aaedf88 | 2092 | |
a779b61e | 2093 | /*drl added 8/08/001 */ |
2094 | bool constraintExpr_isTerm (/*@observer@*/ constraintExpr c) /*@*/ | |
2095 | { | |
0ec8d634 | 2096 | llassert(constraintExpr_isDefined (c) ); |
2097 | ||
a779b61e | 2098 | if (c->kind == term) |
2099 | return TRUE; | |
2100 | ||
2101 | else | |
2102 | return FALSE; | |
2103 | } | |
2104 | ||
2105 | /*@observer@*/ /*@temp@*/ constraintTerm constraintExpr_getTerm ( /*@temp@*/ /*@observer@*/ constraintExpr c) /*@*/ | |
2106 | { | |
2107 | constraintTerm term; | |
2108 | ||
0ec8d634 | 2109 | llassert(constraintExpr_isDefined (c) ); |
2110 | ||
a779b61e | 2111 | llassert(constraintExpr_isTerm(c) ); |
2112 | ||
2113 | term = constraintExprData_termGetTerm(c->data); | |
2114 | ||
2115 | return term; | |
2116 | } | |
2117 | ||
920a3797 | 2118 | static void binaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) |
2119 | { | |
2120 | constraintExpr expr1; | |
2121 | constraintExprBinaryOpKind binaryOp; | |
2122 | constraintExpr expr2; | |
2123 | ||
2124 | ||
2125 | binaryOp = constraintExprData_binaryExprGetOp (data); | |
2126 | ||
2127 | fprintf(f, "%d\n", (int) binaryOp); | |
2128 | ||
2129 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
2130 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
2131 | ||
2132 | fprintf(f, "e1\n"); | |
2133 | ||
2134 | constraintExpr_dump(expr1, f); | |
2135 | ||
2136 | fprintf(f, "e2\n"); | |
2137 | constraintExpr_dump(expr2, f); | |
2138 | } | |
2139 | ||
2140 | ||
2141 | static constraintExpr binaryExpr_undump (FILE *f) | |
2142 | { | |
2143 | constraintExpr expr1; | |
2144 | constraintExprBinaryOpKind binaryOp; | |
2145 | constraintExpr expr2; | |
2146 | ||
2147 | constraintExpr ret; | |
2148 | ||
2149 | ||
2150 | ||
2151 | char * str; | |
2152 | char * os; | |
2153 | ||
3be9a165 | 2154 | os = mstring_create (MAX_DUMP_LINE_LENGTH); |
2155 | ||
920a3797 | 2156 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); |
2157 | ||
0ec8d634 | 2158 | if (! mstring_isDefined(str) ) |
2159 | { | |
2160 | llfatalbug(message("Library file is corrupted") ); | |
2161 | } | |
920a3797 | 2162 | |
28bf4b0b | 2163 | binaryOp = (constraintExprBinaryOpKind) reader_getInt(&str); |
920a3797 | 2164 | |
2165 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2166 | ||
0ec8d634 | 2167 | if (! mstring_isDefined(str) ) |
2168 | { | |
2169 | llfatalbug(message("Library file is corrupted") ); | |
2170 | } | |
2171 | ||
28bf4b0b | 2172 | reader_checkChar (&str, 'e'); |
2173 | reader_checkChar (&str, '1'); | |
920a3797 | 2174 | |
2175 | expr1 = constraintExpr_undump (f); | |
2176 | ||
2177 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2178 | ||
28bf4b0b | 2179 | reader_checkChar (&str, 'e'); |
2180 | reader_checkChar (&str, '2'); | |
920a3797 | 2181 | |
2182 | expr2 = constraintExpr_undump (f); | |
2183 | ||
2184 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
2185 | ret->data = constraintExprData_binaryExprSetOp(ret->data, binaryOp); | |
2186 | ||
2187 | free(os); | |
2188 | return ret; | |
2189 | } | |
2190 | ||
2191 | ||
2192 | ||
2193 | static void unaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) | |
2194 | { | |
2195 | ||
2196 | constraintExpr expr; | |
2197 | constraintExprUnaryOpKind unaryOp; | |
2198 | ||
2199 | unaryOp = constraintExprData_unaryExprGetOp (data); | |
2200 | ||
2201 | fprintf(f, "%d\n", (int) unaryOp); | |
2202 | ||
2203 | expr = constraintExprData_unaryExprGetExpr (data); | |
2204 | ||
2205 | constraintExpr_dump(expr, f); | |
2206 | } | |
2207 | ||
2208 | static constraintExpr unaryExpr_undump ( FILE *f) | |
2209 | { | |
2210 | ||
2211 | constraintExpr expr; | |
2212 | constraintExprUnaryOpKind unaryOp; | |
2213 | constraintExpr ret; | |
2214 | ||
2215 | char * str; | |
2216 | char * os; | |
2217 | ||
2218 | str = mstring_create (MAX_DUMP_LINE_LENGTH); | |
2219 | os = str; | |
2220 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2221 | ||
0ec8d634 | 2222 | if (! mstring_isDefined(str) ) |
2223 | { | |
2224 | llfatalbug(message("Library file is corrupted") ); | |
2225 | } | |
2226 | ||
28bf4b0b | 2227 | unaryOp = (constraintExprUnaryOpKind) reader_getInt(&str); |
920a3797 | 2228 | |
2229 | expr = constraintExpr_undump (f); | |
2230 | ||
2231 | ret = constraintExpr_makeUnaryOp (expr, unaryOp); | |
2232 | ||
2233 | free(os); | |
2234 | ||
2235 | return ret; | |
2236 | } | |
2237 | ||
2238 | void constraintExpr_dump (/*@observer@*/ constraintExpr expr, FILE *f) | |
2239 | { | |
2240 | constraintExprKind kind; | |
2241 | constraintTerm t; | |
2242 | ||
0f9b7373 | 2243 | |
0ec8d634 | 2244 | llassert(constraintExpr_isDefined(expr) ); |
2245 | ||
0f9b7373 | 2246 | DPRINTF((message("constraintExpr_dump:: dumping constraintExpr %s", |
2247 | constraintExpr_unparse(expr) | |
2248 | ) )); | |
920a3797 | 2249 | |
2250 | kind = expr->kind; | |
2251 | ||
2252 | fprintf(f,"%d\n", (int) kind); | |
2253 | ||
2254 | switch (kind) | |
2255 | { | |
2256 | case term: | |
2257 | t = constraintExprData_termGetTerm (expr->data); | |
2258 | constraintTerm_dump (t, f); | |
2259 | break; | |
2260 | case unaryExpr: | |
2261 | unaryExpr_dump (expr->data, f); | |
2262 | break; | |
2263 | case binaryexpr: | |
2264 | binaryExpr_dump (expr->data, f); | |
2265 | break; | |
2266 | } | |
2267 | } | |
2268 | ||
2269 | /*@only@*/ constraintExpr constraintExpr_undump (FILE *f) | |
2270 | { | |
2271 | constraintExprKind kind; | |
2272 | constraintTerm t; | |
2273 | constraintExpr ret; | |
2274 | ||
2275 | char * s; | |
2276 | char * os; | |
2277 | ||
2278 | s = mstring_create (MAX_DUMP_LINE_LENGTH); | |
2279 | ||
2280 | os = s; | |
2281 | ||
2282 | s = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2283 | ||
0ec8d634 | 2284 | if (! mstring_isDefined(s) ) |
2285 | { | |
2286 | llfatalbug(message("Library file is corrupted") ); | |
2287 | } | |
2288 | ||
28bf4b0b | 2289 | kind = (constraintExprKind) reader_getInt(&s); |
920a3797 | 2290 | |
2291 | free (os); | |
2292 | ||
2293 | switch (kind) | |
2294 | { | |
2295 | case term: | |
2296 | t = constraintTerm_undump (f); | |
2297 | ret = constraintExpr_makeTerm(t); | |
2298 | break; | |
2299 | case unaryExpr: | |
2300 | ret = unaryExpr_undump (f); | |
2301 | break; | |
2302 | case binaryexpr: | |
2303 | ret = binaryExpr_undump (f); | |
2304 | break; | |
2305 | } | |
2306 | ||
2307 | return ret; | |
2308 | ||
2309 | } | |
a779b61e | 2310 | |
2311 | int constraintExpr_getDepth (constraintExpr ex) | |
2312 | { | |
2313 | int ret; | |
2314 | ||
2315 | constraintExprKind kind; | |
2316 | ||
2317 | llassert (ex != NULL); | |
2318 | ||
2319 | kind = ex->kind; | |
2320 | ||
2321 | switch (kind) | |
2322 | { | |
2323 | case term: | |
2324 | ret = 1; | |
2325 | break; | |
2326 | case unaryExpr: | |
2327 | ret = constraintExpr_getDepth (constraintExprData_unaryExprGetExpr (ex->data) ); | |
2328 | ret++; | |
2329 | ||
2330 | break; | |
2331 | case binaryexpr: | |
2332 | ret = 0; | |
2333 | ret = constraintExpr_getDepth (constraintExprData_binaryExprGetExpr1 (ex->data) ); | |
2334 | ||
2335 | ret++; | |
2336 | ||
2337 | ret += constraintExpr_getDepth (constraintExprData_binaryExprGetExpr2 (ex->data) ); | |
2338 | ||
2339 | break; | |
2340 | default: | |
2341 | BADEXIT; | |
2342 | } | |
2343 | ||
2344 | return ret; | |
2345 | } | |
2346 | ||
2347 | ||
86d93ed3 | 2348 | bool constraintExpr_canGetCType (constraintExpr e) /*@*/ |
2349 | { | |
0ec8d634 | 2350 | if (constraintExpr_isUndefined(e) ) |
2351 | return FALSE; | |
2352 | ||
86d93ed3 | 2353 | if (e->kind == term) |
2354 | { | |
2355 | return TRUE; | |
2356 | } | |
2357 | else | |
2358 | { | |
2359 | DPRINTF(( message("constraintExpr_canGetCType: can't get type for %s ", | |
2360 | constraintExpr_print(e) ) )); | |
2361 | return FALSE; | |
2362 | } | |
2363 | } | |
2364 | ||
2365 | ctype constraintExpr_getCType (constraintExpr e) /*@*/ | |
2366 | { | |
2367 | constraintTerm t; | |
0ec8d634 | 2368 | |
2369 | llassert(constraintExpr_isDefined(e) ); | |
2370 | ||
86d93ed3 | 2371 | llassert(constraintExpr_canGetCType(e) ); |
2372 | ||
2373 | switch (e->kind) | |
2374 | { | |
2375 | case term: | |
2376 | t = constraintExprData_termGetTerm (e->data); | |
2377 | return (constraintTerm_getCType(t) ); | |
2378 | /* assume that a unary expression will be an int ... */ | |
2379 | case unaryExpr: | |
2380 | return ctype_signedintegral; | |
2381 | ||
2382 | /* drl for just return type of first operand */ | |
2383 | case binaryexpr: | |
2384 | return ( | |
2385 | constraintExpr_getCType | |
2386 | (constraintExprData_binaryExprGetExpr1 (e->data) ) | |
2387 | ); | |
2388 | default: | |
2389 | BADEXIT; | |
2390 | } | |
2391 | BADEXIT; | |
2392 | } | |
2393 | ||
2394 | /* drl add 10-5-001 */ | |
2395 | ||
2396 | static bool constraintExpr_hasTypeChange(constraintExpr e) | |
2397 | { | |
0ec8d634 | 2398 | llassert(constraintExpr_isDefined(e) ); |
86d93ed3 | 2399 | if (constraintExpr_isDefined((e)) && (e->ct == TRUE) ) |
2400 | { | |
2401 | return TRUE; | |
2402 | } | |
2403 | ||
2404 | if (e->kind == unaryExpr) | |
2405 | { | |
2406 | if (constraintExprData_unaryExprGetOp (e->data) == MAXSET) | |
2407 | { | |
2408 | constraintExpr ce; | |
2409 | ||
2410 | ce = constraintExprData_unaryExprGetExpr(e->data); | |
2411 | ||
2412 | return (constraintExpr_hasTypeChange(ce) ); | |
2413 | } | |
2414 | ||
2415 | } | |
2416 | return FALSE; | |
2417 | } | |
2418 | ||
2419 | /* drl add 10-5-001 */ | |
2420 | ||
2421 | static ctype constraintExpr_getOrigType (constraintExpr e) | |
2422 | { | |
2423 | ||
0ec8d634 | 2424 | llassert(constraintExpr_isDefined(e) ); |
86d93ed3 | 2425 | llassert(constraintExpr_hasTypeChange(e) ); |
2426 | ||
2427 | ||
2428 | if (e->ct == TRUE) | |
2429 | { | |
2430 | return e->origType; | |
2431 | } | |
2432 | ||
2433 | if (e->kind == unaryExpr) | |
2434 | { | |
2435 | if (constraintExprData_unaryExprGetOp (e->data) == MAXSET) | |
2436 | { | |
2437 | constraintExpr ce; | |
2438 | ||
2439 | ce = constraintExprData_unaryExprGetExpr(e->data); | |
2440 | ||
2441 | return (constraintExpr_getOrigType(ce) ); | |
2442 | } | |
2443 | ||
2444 | } | |
2445 | ||
2446 | BADEXIT; | |
2447 | } | |
2448 | ||
2449 | /*drl added these around 10/18/001*/ | |
2450 | ||
2451 | static /*@only@*/ constraintExpr constraintExpr_div (/*@only@*/ constraintExpr e, /*@unused@*/ ctype ct) | |
2452 | { | |
2453 | return e; | |
2454 | } | |
2455 | ||
0ec8d634 | 2456 | |
2457 | /*@access exprNode@*/ | |
86d93ed3 | 2458 | static /*@only@*/ constraintExpr constraintTerm_simpleDivTypeExprNode(/*@only@*/ constraintExpr e, ctype ct) |
2459 | { | |
2460 | exprData data; | |
2461 | exprNode t1, t2, expr; | |
2462 | lltok tok; | |
2463 | constraintTerm t; | |
2464 | ||
0ec8d634 | 2465 | llassert(constraintExpr_isDefined(e) ); |
2466 | ||
86d93ed3 | 2467 | DPRINTF(( |
2468 | message("constraintTerm_simpleDivTypeExprNode e=%s, ct=%s", | |
2469 | constraintExpr_print(e), ctype_unparse(ct) | |
2470 | ) | |
2471 | )); | |
2472 | ||
2473 | t = constraintExprData_termGetTerm(e->data); | |
2474 | ||
2475 | expr = constraintTerm_getExprNode(t); | |
0ec8d634 | 2476 | |
2477 | llassert(constraintExpr_isDefined(e) ); | |
2478 | llassert(exprNode_isDefined(expr) ); | |
86d93ed3 | 2479 | |
2480 | if (expr->kind == XPR_OP) | |
2481 | { | |
2482 | data = expr->edata; | |
2483 | ||
2484 | t1 = exprData_getOpA (data); | |
2485 | t2 = exprData_getOpB (data); | |
2486 | tok = exprData_getOpTok (data); | |
2487 | if (lltok_isMult(tok) ) | |
2488 | { | |
0ec8d634 | 2489 | llassert(exprNode_isDefined(t1) && exprNode_isDefined(t2) ); |
2490 | /*drl 3/2/2003 we know this from the fact that it's a | |
2491 | multiplication operation...*/ | |
86d93ed3 | 2492 | |
2493 | if ((t1->kind == XPR_SIZEOF) || (t1->kind == XPR_SIZEOFT) ) | |
2494 | { | |
2495 | ctype ct2; | |
2496 | ||
2497 | if (t1->kind == XPR_SIZEOFT) | |
2498 | { | |
2499 | ct2 = qtype_getType (exprData_getType (t1->edata)); | |
2500 | } | |
2501 | else | |
2502 | { | |
0fe21ba7 | 2503 | exprNode tempE; |
2504 | ||
2505 | tempE = exprData_getSingle (t1->edata); | |
2506 | ||
2507 | ct2 = exprNode_getType (tempE); | |
86d93ed3 | 2508 | } |
2509 | if (ctype_match (ctype_makePointer(ct2), ct) ) | |
2510 | { | |
2511 | /* this is a bit sloopy but ... */ | |
2512 | constraintExpr_free(e); | |
2513 | return constraintExpr_makeExprNode(t2); | |
2514 | } | |
2515 | } | |
2516 | ||
2517 | ||
2518 | else if ((t2->kind == XPR_SIZEOF) || (t2->kind == XPR_SIZEOFT) ) | |
2519 | { | |
2520 | ctype ct2; | |
2521 | ||
2522 | if (t2->kind == XPR_SIZEOFT) | |
2523 | { | |
2524 | ct2 = qtype_getType (exprData_getType (t2->edata)); | |
2525 | } | |
2526 | else | |
2527 | { | |
0ec8d634 | 2528 | exprNode exprTemp; |
2529 | exprData eDTemp; | |
2530 | ||
2531 | exprTemp = exprData_getSingle (t2->edata); | |
2532 | ||
2533 | llassert(exprNode_isDefined(exprTemp) ); | |
2534 | eDTemp = exprTemp->edata; | |
2535 | ||
2536 | ct2 = qtype_getType (exprData_getType(eDTemp ) ); | |
2537 | ||
86d93ed3 | 2538 | } |
2539 | if (ctype_match (ctype_makePointer(ct2),ct) ) | |
2540 | { | |
2541 | /* sloopy way to do this... */ /*@i22*/ | |
2542 | constraintExpr_free(e); | |
2543 | return constraintExpr_makeExprNode(t1); | |
2544 | } | |
2545 | } | |
2546 | else | |
2547 | { | |
2548 | /*empty*/ | |
2549 | } | |
2550 | ||
2551 | } | |
2552 | } | |
2553 | return (constraintExpr_div (e, ct) ); | |
2554 | } | |
0ec8d634 | 2555 | /*@noaccess exprNode@*/ |
86d93ed3 | 2556 | |
2557 | static /*@only@*/ constraintExpr simpleDivType (/*@only@*/ constraintExpr e, ctype ct) | |
2558 | { | |
2559 | /*@i333*/ | |
2560 | DPRINTF(( (message("simpleDiv got %s ", constraintExpr_unparse(e) ) ) | |
2561 | )); | |
2562 | ||
0ec8d634 | 2563 | llassert(constraintExpr_isDefined(e) ); |
2564 | ||
86d93ed3 | 2565 | switch (e->kind) |
2566 | { | |
2567 | case term: | |
2568 | ||
2569 | { | |
2570 | constraintTerm t; | |
2571 | ||
2572 | t = constraintExprData_termGetTerm(e->data); | |
2573 | ||
2574 | ||
2575 | if (constraintTerm_isExprNode (t) ) | |
2576 | { | |
2577 | return constraintTerm_simpleDivTypeExprNode(e, ct); | |
2578 | ||
2579 | /* search for * size of ct and remove */ | |
2580 | } | |
2581 | return constraintExpr_div (e, ct); | |
2582 | } | |
2583 | ||
2584 | case binaryexpr: | |
2585 | { | |
2586 | constraintExpr temp; | |
2587 | ||
2588 | temp = constraintExprData_binaryExprGetExpr1 (e->data); | |
2589 | temp = constraintExpr_copy(temp); | |
2590 | temp = simpleDivType (temp, ct); | |
2591 | ||
2592 | e->data = constraintExprData_binaryExprSetExpr1 (e->data, temp); | |
2593 | ||
2594 | temp = constraintExprData_binaryExprGetExpr2 (e->data); | |
2595 | temp = constraintExpr_copy(temp); | |
2596 | temp = simpleDivType (temp, ct); | |
2597 | e->data = constraintExprData_binaryExprSetExpr2 (e->data, temp); | |
2598 | ||
2599 | DPRINTF(( (message("simpleDiv binaryexpr returning %s ", constraintExpr_unparse(e) ) ) | |
2600 | )); | |
2601 | ||
2602 | return e; | |
2603 | } | |
2604 | case unaryExpr: | |
2605 | return constraintExpr_div (e, ct); | |
2606 | ||
2607 | default: | |
2608 | BADEXIT; | |
2609 | } | |
2610 | } | |
2611 | ||
2612 | static /*@only@*/ constraintExpr constraintExpr_adjustMaxSetForCast(/*@only@*/ constraintExpr e, ctype ct) | |
2613 | { | |
2614 | ||
2615 | DPRINTF(( (message("constraintExpr_adjustMaxSetForCast got %s ", constraintExpr_unparse(e) ) ) | |
2616 | )); | |
2617 | ||
2618 | e = constraintExpr_makeIncConstraintExpr(e); | |
2619 | ||
2620 | e = constraintExpr_simplify(e); | |
2621 | ||
2622 | ||
2623 | e = simpleDivType (e, ct); | |
2624 | ||
2625 | e = constraintExpr_makeDecConstraintExpr(e); | |
2626 | ||
2627 | e = constraintExpr_simplify(e); | |
2628 | ||
2629 | DPRINTF(( (message("constraintExpr_adjustMaxSetForCast returning %s ", constraintExpr_unparse(e) ) ) | |
2630 | )); | |
2631 | ||
2632 | return e; | |
2633 | } | |
2634 | ||
fba0ed37 | 2635 | |
2636 | bool constraintExpr_isConstantOnly ( constraintExpr e ) | |
2637 | { | |
2638 | DPRINTF(( (message("constraintExpr_isConstantOnly %s ", | |
2639 | constraintExpr_unparse(e) ) ) | |
2640 | )); | |
2641 | ||
0ec8d634 | 2642 | llassert(constraintExpr_isDefined(e) ); |
2643 | ||
fba0ed37 | 2644 | switch (e->kind) |
2645 | { | |
2646 | case term: | |
2647 | { | |
2648 | constraintTerm t; | |
2649 | ||
2650 | t = constraintExprData_termGetTerm(e->data); | |
2651 | ||
2652 | ||
2653 | if (constraintTerm_isConstantOnly (t) ) | |
2654 | { | |
2655 | return TRUE; | |
2656 | } | |
2657 | else | |
2658 | { | |
2659 | return FALSE; | |
2660 | } | |
2661 | } | |
2662 | ||
2663 | case binaryexpr: | |
2664 | { | |
2665 | constraintExpr temp1, temp2; | |
2666 | ||
2667 | temp1 = constraintExprData_binaryExprGetExpr1 (e->data); | |
2668 | ||
2669 | temp2 = constraintExprData_binaryExprGetExpr2 (e->data); | |
2670 | ||
2671 | if (constraintExpr_isConstantOnly(temp1) && | |
2672 | constraintExpr_isConstantOnly(temp2) ) | |
2673 | { | |
2674 | return TRUE; | |
2675 | } | |
2676 | else | |
2677 | { | |
2678 | return FALSE; | |
2679 | } | |
2680 | } | |
2681 | ||
2682 | case unaryExpr: | |
2683 | { | |
2684 | constraintExpr temp; | |
2685 | ||
2686 | temp = constraintExprData_unaryExprGetExpr (e->data ); | |
2687 | ||
2688 | if (constraintExpr_isConstantOnly(temp) ) | |
2689 | { | |
2690 | return TRUE; | |
2691 | } | |
2692 | else | |
2693 | { | |
2694 | return FALSE; | |
2695 | } | |
2696 | } | |
2697 | default: | |
2698 | BADEXIT; | |
2699 | } | |
2700 | } | |
2701 |