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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 | |
ae133592 | 57 | static bool constraintExpr_canGetCType (constraintExpr p_e) /*@*/; |
86d93ed3 | 58 | |
59 | static ctype constraintExpr_getCType (constraintExpr p_e); | |
60 | ||
ae133592 | 61 | static /*@only@*/ constraintExpr constraintExpr_adjustMaxSetForCast (/*@only@*/ constraintExpr p_e, |
62 | ctype p_tfrom, ctype p_tto, | |
63 | fileloc loc); | |
86d93ed3 | 64 | |
749f175a | 65 | /*@special@*/ /*@notnull@*/ static constraintExpr constraintExpr_makeBinaryOp (void) |
b7b694d6 | 66 | /* @allocates result->data @ @sets result->kind @ */ ; |
3aaedf88 | 67 | |
d46ce6a4 | 68 | void constraintExpr_free (/*@only@*/ constraintExpr expr) |
69 | { | |
70 | if (constraintExpr_isDefined(expr) ) | |
71 | { | |
72 | switch (expr->kind) | |
73 | { | |
74 | case unaryExpr: | |
75 | constraintExprData_freeUnaryExpr(expr->data); | |
76 | break; | |
77 | case binaryexpr: | |
78 | constraintExprData_freeBinaryExpr(expr->data); | |
79 | break; | |
80 | case term: | |
81 | constraintExprData_freeTerm(expr->data); | |
82 | break; | |
83 | default: | |
84 | BADEXIT; | |
85 | } | |
bb25bea6 | 86 | |
87 | expr->data = NULL; | |
d46ce6a4 | 88 | free (expr); |
89 | } | |
90 | else | |
91 | { | |
92 | llcontbug(message("attempted to free null pointer in constraintExpr_free")); | |
93 | } | |
94 | } | |
95 | ||
3aaedf88 | 96 | bool constraintExpr_isLit (constraintExpr expr) |
97 | { | |
dc92450f | 98 | llassert (expr != NULL); |
3aaedf88 | 99 | |
100 | if (expr->kind == term) | |
101 | { | |
102 | constraintTerm term = constraintExprData_termGetTerm (expr->data); | |
103 | if (constraintTerm_isIntLiteral (term) ) | |
104 | { | |
105 | return TRUE; | |
106 | } | |
107 | ||
108 | } | |
109 | return FALSE; | |
110 | } | |
111 | ||
7c9c4a67 | 112 | static bool isZeroBinaryOp (constraintExpr expr) |
113 | { | |
114 | constraintExpr e2; | |
115 | ||
7272a1c1 | 116 | llassert (expr != NULL); /* evans 2001-07-18 */ |
117 | ||
7c9c4a67 | 118 | if (!constraintExpr_isBinaryExpr (expr) ) |
119 | { | |
120 | return FALSE; | |
121 | } | |
122 | ||
123 | ||
124 | e2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
125 | ||
7272a1c1 | 126 | llassert (e2 != NULL); /* evans 2001-07-18 */ |
127 | ||
7c9c4a67 | 128 | if (constraintExpr_isBinaryExpr (e2) ) |
129 | { | |
130 | constraintExpr e1; | |
131 | constraintExprBinaryOpKind op; | |
132 | ||
133 | op = constraintExprData_binaryExprGetOp (e2->data); | |
134 | ||
135 | e1 = constraintExprData_binaryExprGetExpr1(e2->data); | |
136 | ||
137 | if (constraintExpr_isLit(e1) ) | |
138 | { | |
139 | if (constraintExpr_getValue(e1) == 0 ) | |
140 | { | |
141 | return TRUE; | |
142 | } | |
143 | } | |
144 | } | |
145 | return FALSE; | |
146 | } | |
147 | ||
148 | /* change expr + (o - expr) to (expr -expr) */ | |
149 | ||
749f175a | 150 | /*@only@*/ /*@notnull@*/ static constraintExpr removeZero (/*@only@*/ /*@returned@*/ constraintExpr expr) |
7c9c4a67 | 151 | { |
152 | constraintExpr expr1, expr2; | |
153 | ||
154 | constraintExpr temp; | |
155 | ||
156 | constraintExprBinaryOpKind op; | |
157 | ||
158 | constraintExprBinaryOpKind tempOp; | |
159 | ||
749f175a | 160 | llassert (expr != NULL); /* evans 2001-07-18 */ |
161 | ||
7c9c4a67 | 162 | if (!isZeroBinaryOp(expr) ) |
163 | return expr; | |
164 | ||
165 | ||
166 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
167 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
168 | op = constraintExprData_binaryExprGetOp(expr->data); | |
169 | ||
7272a1c1 | 170 | llassert( constraintExpr_isBinaryExpr(expr2) ); |
171 | ||
7c9c4a67 | 172 | temp = constraintExprData_binaryExprGetExpr2 (expr2->data); |
173 | temp = constraintExpr_copy (temp); | |
174 | ||
175 | tempOp = constraintExprData_binaryExprGetOp (expr2->data); | |
176 | ||
0c91982e | 177 | if (op == BINARYOP_PLUS) |
7c9c4a67 | 178 | op = tempOp; |
acfb6ad9 | 179 | else if (op == BINARYOP_MINUS) |
7c9c4a67 | 180 | { |
0c91982e | 181 | if (tempOp == BINARYOP_PLUS) |
acfb6ad9 | 182 | op = BINARYOP_MINUS; |
183 | else if (tempOp == BINARYOP_MINUS) | |
0c91982e | 184 | op = BINARYOP_PLUS; |
7c9c4a67 | 185 | else |
186 | BADEXIT; | |
187 | } | |
188 | else | |
189 | BADEXIT; | |
190 | ||
7c9c4a67 | 191 | expr->data = constraintExprData_binaryExprSetExpr2(expr->data, temp); |
192 | expr->data = constraintExprData_binaryExprSetOp(expr->data, op); | |
193 | ||
194 | return expr; | |
195 | } | |
196 | ||
3aaedf88 | 197 | |
749f175a | 198 | /*@only@*//*@notnull@*/ constraintExpr constraintExpr_propagateConstants (/*@only@*/ constraintExpr expr, |
3aaedf88 | 199 | /*@out@*/ bool * propagate, |
200 | /*@out@*/ int *literal) | |
201 | { | |
202 | constraintExpr expr1; | |
203 | constraintExpr expr2; | |
204 | bool propagate1, propagate2; | |
205 | int literal1, literal2; | |
d46ce6a4 | 206 | constraintExprBinaryOpKind op; |
3aaedf88 | 207 | |
208 | propagate1 = FALSE; | |
209 | propagate2 = FALSE; | |
210 | ||
211 | literal1 = 0; | |
212 | literal2 = 0; | |
213 | ||
214 | *propagate = FALSE; | |
215 | *literal = 0; | |
216 | ||
a779b61e | 217 | |
dc92450f | 218 | llassert (expr != NULL); |
3aaedf88 | 219 | |
b7b694d6 | 220 | /* we simplify unaryExpr elsewhere */ |
d46ce6a4 | 221 | if (expr->kind != binaryexpr) |
3aaedf88 | 222 | return expr; |
223 | ||
d46ce6a4 | 224 | op = constraintExprData_binaryExprGetOp (expr->data); |
3aaedf88 | 225 | |
bb7c2085 | 226 | DPRINTF((message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) ); |
7c9c4a67 | 227 | |
228 | expr = removeZero(expr); | |
3aaedf88 | 229 | |
230 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
231 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
232 | ||
d46ce6a4 | 233 | expr1 = constraintExpr_copy(expr1); |
234 | expr2 = constraintExpr_copy(expr2); | |
235 | ||
3aaedf88 | 236 | expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1); |
237 | expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2); | |
238 | ||
a779b61e | 239 | expr1 = removeZero(expr1); |
240 | expr2 = removeZero(expr2); | |
241 | ||
242 | ||
3aaedf88 | 243 | *propagate = propagate1 || propagate2; |
7c9c4a67 | 244 | |
0c91982e | 245 | if (op == BINARYOP_PLUS) |
7c9c4a67 | 246 | *literal = literal1 + literal2; |
acfb6ad9 | 247 | else if (op == BINARYOP_MINUS) |
7c9c4a67 | 248 | *literal = literal1 - literal2; |
249 | else | |
250 | BADEXIT; | |
251 | ||
3aaedf88 | 252 | if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) ) |
253 | { | |
b9904f57 | 254 | long t1, t2; |
3aaedf88 | 255 | t1 = constraintExpr_getValue (expr1); |
256 | t2 = constraintExpr_getValue (expr2); | |
7c9c4a67 | 257 | llassert(*propagate == FALSE); |
3aaedf88 | 258 | *propagate = FALSE; |
a8e557d3 | 259 | |
d46ce6a4 | 260 | constraintExpr_free (expr); |
261 | constraintExpr_free (expr1); | |
262 | constraintExpr_free (expr2); | |
263 | ||
0c91982e | 264 | if (op == BINARYOP_PLUS ) |
bb7c2085 | 265 | return (constraintExpr_makeIntLiteral ((t1+t2) )); |
acfb6ad9 | 266 | else if (op == BINARYOP_MINUS) |
bb7c2085 | 267 | return (constraintExpr_makeIntLiteral ((t1-t2) )); |
3aaedf88 | 268 | else |
d46ce6a4 | 269 | BADEXIT; |
3aaedf88 | 270 | } |
d46ce6a4 | 271 | |
272 | ||
3aaedf88 | 273 | if (constraintExpr_isLit (expr1) ) |
274 | { | |
3aaedf88 | 275 | *propagate = TRUE; |
d46ce6a4 | 276 | |
7c9c4a67 | 277 | *literal += constraintExpr_getValue (expr1); |
d46ce6a4 | 278 | |
0c91982e | 279 | if (op == BINARYOP_PLUS) |
7c9c4a67 | 280 | { |
281 | constraintExpr_free(expr1); | |
282 | constraintExpr_free(expr); | |
283 | return expr2; | |
284 | } | |
acfb6ad9 | 285 | else if (op == BINARYOP_MINUS) |
7c9c4a67 | 286 | { |
a779b61e | 287 | |
7c9c4a67 | 288 | constraintExpr temp; |
289 | ||
290 | /* this is an ugly kludge to deal with not | |
291 | having a unary minus operation...*/ | |
a779b61e | 292 | |
7c9c4a67 | 293 | temp = constraintExpr_makeIntLiteral (0); |
294 | temp = constraintExpr_makeSubtractExpr (temp, expr2); | |
295 | ||
296 | constraintExpr_free(expr1); | |
297 | constraintExpr_free(expr); | |
0ec8d634 | 298 | |
299 | llassert (constraintExpr_isDefined(temp) ); | |
7c9c4a67 | 300 | return temp; |
301 | } | |
7272a1c1 | 302 | else |
303 | { | |
304 | BADBRANCH; /* evans 2001-07-18 */ | |
305 | } | |
3aaedf88 | 306 | } |
307 | ||
3aaedf88 | 308 | if (constraintExpr_isLit (expr2) ) |
309 | { | |
310 | *propagate = TRUE; | |
a8e557d3 | 311 | |
0c91982e | 312 | if ( op == BINARYOP_PLUS ) |
3aaedf88 | 313 | *literal += constraintExpr_getValue (expr2); |
acfb6ad9 | 314 | else if (op == BINARYOP_MINUS) |
3aaedf88 | 315 | *literal -= constraintExpr_getValue (expr2); |
7c9c4a67 | 316 | else |
317 | BADEXIT; | |
318 | ||
d46ce6a4 | 319 | |
320 | constraintExpr_free(expr2); | |
321 | constraintExpr_free(expr); | |
3aaedf88 | 322 | return expr1; |
323 | } | |
3aaedf88 | 324 | |
bb7c2085 | 325 | DPRINTF((message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 326 | |
d46ce6a4 | 327 | expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1); |
328 | expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2); | |
329 | ||
7c9c4a67 | 330 | expr = removeZero(expr); |
3aaedf88 | 331 | return expr; |
332 | } | |
333 | ||
749f175a | 334 | /*@notnull@*/ /*@only@*/ static constraintExpr constraintExpr_combineConstants (/*@only@*/ constraintExpr expr ) /*@modifies expr@*/ |
3aaedf88 | 335 | { |
336 | bool propagate; | |
337 | int literal; | |
338 | ||
bb7c2085 | 339 | DPRINTF ((message ("Before combine %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 340 | expr = constraintExpr_propagateConstants (expr, &propagate, &literal); |
341 | ||
342 | ||
343 | if (propagate) | |
344 | { | |
345 | constraintExpr ret; | |
346 | ||
347 | if (literal != 0) | |
348 | { | |
349 | ret = constraintExpr_makeBinaryOpConstraintExprIntLiteral (expr, literal); | |
350 | expr = ret; | |
351 | } | |
352 | } | |
bb7c2085 | 353 | DPRINTF ((message ("After combine %s", constraintExpr_unparse(expr) ) ) ); |
0ec8d634 | 354 | |
355 | llassert(constraintExpr_isDefined(expr) ); | |
356 | return expr; | |
3aaedf88 | 357 | } |
c3e695ff | 358 | |
dc92450f | 359 | /*@special@*/ |
abd7f895 | 360 | static /*@notnull@*/ constraintExpr constraintExpr_alloc (void) /*@post:isnull result->data@*/ |
3aaedf88 | 361 | { |
362 | constraintExpr ret; | |
363 | ret = dmalloc (sizeof (*ret) ); | |
364 | ret->kind = term; | |
365 | ret->data = NULL; | |
86d93ed3 | 366 | ret->ct = FALSE; |
367 | ret->origType = ctype_undefined; | |
3aaedf88 | 368 | return ret; |
369 | } | |
370 | ||
4ab867d6 | 371 | /*@only@*/ static constraintExprData copyExprData (/*@observer@*/ constraintExprData data, constraintExprKind kind) |
c3e695ff | 372 | { |
373 | constraintExprData ret; | |
374 | llassert(constraintExprData_isDefined(data)); | |
375 | ||
376 | switch (kind) | |
377 | { | |
378 | case binaryexpr: | |
379 | ret = constraintExprData_copyBinaryExpr(data); | |
380 | break; | |
381 | case unaryExpr: | |
382 | ret = constraintExprData_copyUnaryExpr(data); | |
383 | break; | |
384 | case term: | |
385 | ret = constraintExprData_copyTerm(data); | |
386 | break; | |
387 | default: | |
388 | BADEXIT; | |
389 | } | |
390 | return ret; | |
391 | } | |
3aaedf88 | 392 | |
393 | constraintExpr constraintExpr_copy (constraintExpr expr) | |
394 | { | |
395 | constraintExpr ret; | |
abd7f895 | 396 | ret = constraintExpr_alloc (); |
749f175a | 397 | |
398 | ||
399 | /*drl 03/02/2003 this shouldn't be used to copy a null | |
400 | expression but handle things cleanly if it is*/ | |
401 | llassert (!constraintExpr_isUndefined(expr) ); | |
402 | ||
403 | if (constraintExpr_isUndefined(expr) ) | |
404 | { | |
405 | return constraintExpr_undefined; | |
406 | } | |
407 | ||
3aaedf88 | 408 | ret->kind = expr->kind; |
c3e695ff | 409 | |
410 | ret->data = copyExprData (expr->data, expr->kind); | |
86d93ed3 | 411 | ret->ct = expr->ct; |
412 | ret->origType = expr->origType; | |
3aaedf88 | 413 | return ret; |
414 | } | |
415 | ||
416 | ||
28bf4b0b | 417 | /*@only@*/ static constraintExpr oldconstraintExpr_makeTermExprNode ( /*@dependent@*/ exprNode e) |
3aaedf88 | 418 | { |
419 | constraintExpr ret; | |
420 | constraintTerm t; | |
421 | ret = constraintExpr_alloc(); | |
422 | ret->kind = term; | |
423 | ret->data = dmalloc (sizeof *(ret->data) ); | |
424 | t = constraintTerm_makeExprNode (e); | |
425 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
86d93ed3 | 426 | ret->ct = FALSE; |
427 | ret->origType = ctype_undefined; | |
428 | ||
3aaedf88 | 429 | return ret; |
430 | } | |
431 | ||
0ec8d634 | 432 | /*@access exprNode@*/ |
28bf4b0b | 433 | constraintExpr constraintExpr_makeExprNode (exprNode e) |
3aaedf88 | 434 | { |
435 | sRef s; | |
436 | constraintExpr ret, ce1, ce2; | |
437 | exprData data; | |
438 | exprNode t, t1, t2; | |
439 | lltok tok; | |
440 | ||
dc92450f | 441 | llassert (e != NULL); |
3aaedf88 | 442 | |
443 | data = e->edata; | |
444 | ||
445 | switch (e->kind) | |
446 | { | |
447 | case XPR_SIZEOF: | |
448 | t = exprData_getSingle (data); | |
f96fe483 | 449 | while (exprNode_isInParens (t) ) |
450 | { | |
451 | t = exprData_getUopNode (t->edata); | |
452 | } | |
3aaedf88 | 453 | s = exprNode_getSref (t); |
454 | if (sRef_isFixedArray(s) ) | |
455 | { | |
456 | int size; | |
457 | ||
dc92450f | 458 | size = (int) sRef_getArraySize(s); |
3aaedf88 | 459 | ret = constraintExpr_makeIntLiteral (size); |
460 | } | |
e5081f8c | 461 | else if (exprNode_isStringLiteral (t)) |
f96fe483 | 462 | { |
e5081f8c | 463 | cstring str = multiVal_forceString (exprNode_getValue(t)); |
464 | ret = constraintExpr_makeIntLiteral (size_toLong (cstring_length (str) + 1)); | |
f96fe483 | 465 | } |
3aaedf88 | 466 | else |
467 | { | |
c3e695ff | 468 | DPRINTF ((message ("could not determine the size of %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 469 | ret = oldconstraintExpr_makeTermExprNode (e); |
470 | } | |
471 | break; | |
472 | ||
473 | case XPR_OP: | |
c3e695ff | 474 | DPRINTF ((message ("Examining operation %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 475 | t1 = exprData_getOpA (data); |
476 | t2 = exprData_getOpB (data); | |
477 | tok = exprData_getOpTok (data); | |
478 | ||
479 | if (lltok_isPlus_Op (tok) || lltok_isMinus_Op (tok) ) | |
480 | { | |
481 | ce1 = constraintExpr_makeExprNode (t1); | |
482 | ce2 = constraintExpr_makeExprNode (t2); | |
483 | ret = constraintExpr_parseMakeBinaryOp (ce1, tok, ce2); | |
484 | } | |
86d93ed3 | 485 | |
c757ee29 | 486 | |
487 | /* define this block to activate the cheesy heuristic | |
488 | for handling sizeof expressions*/ | |
489 | #if 0 | |
490 | ||
86d93ed3 | 491 | |
c757ee29 | 492 | /* |
7edb30e6 | 493 | drl 8-11-001 |
494 | ||
495 | We handle expressions containing sizeof with the rule | |
496 | (sizeof type ) * Expr = Expr | |
497 | ||
498 | This is the total wronge way to do this but... | |
499 | it may be better than nothing | |
c757ee29 | 500 | */ |
86d93ed3 | 501 | |
502 | ||
503 | ||
7edb30e6 | 504 | else if (lltok_isMult(tok) ) |
3aaedf88 | 505 | { |
7edb30e6 | 506 | if ((t1->kind == XPR_SIZEOF) || (t1->kind == XPR_SIZEOFT) ) |
507 | { | |
508 | ret = constraintExpr_makeExprNode(t2); | |
509 | } | |
510 | else if ((t2->kind == XPR_SIZEOF) || (t2->kind == XPR_SIZEOFT) ) | |
511 | { | |
512 | ret = constraintExpr_makeExprNode(t1); | |
86d93ed3 | 513 | } |
7edb30e6 | 514 | else |
515 | { | |
516 | ret = oldconstraintExpr_makeTermExprNode (e); | |
517 | } | |
3aaedf88 | 518 | } |
c757ee29 | 519 | #endif |
520 | ||
7edb30e6 | 521 | else |
522 | ret = oldconstraintExpr_makeTermExprNode (e); | |
523 | ||
3aaedf88 | 524 | break; |
525 | case XPR_PARENS: | |
526 | t = exprData_getUopNode (data); | |
527 | ret = constraintExpr_makeExprNode (t); | |
528 | break; | |
529 | ||
530 | case XPR_PREOP: | |
531 | t = exprData_getUopNode (data); | |
532 | tok = exprData_getUopTok (data); | |
16c024b5 | 533 | if (lltok_isIncOp (tok)) |
3aaedf88 | 534 | { |
535 | constraintExpr temp; | |
536 | temp = constraintExpr_makeExprNode(t); | |
537 | ret = constraintExpr_makeIncConstraintExpr(temp); | |
538 | } | |
16c024b5 | 539 | else if (lltok_isDecOp (tok)) |
3aaedf88 | 540 | { |
541 | constraintExpr temp; | |
542 | temp = constraintExpr_makeExprNode(t); | |
543 | ret = constraintExpr_makeDecConstraintExpr(temp); | |
544 | } | |
545 | else | |
546 | ret = oldconstraintExpr_makeTermExprNode (e); | |
547 | break; | |
548 | ||
549 | case XPR_POSTOP: | |
550 | t = exprData_getUopNode (data); | |
551 | ret = constraintExpr_makeExprNode (t); | |
552 | break; | |
470b7798 | 553 | case XPR_CAST: |
554 | t = exprData_getCastNode (data); | |
555 | ret = constraintExpr_makeExprNode (t); | |
556 | break; | |
557 | case XPR_COMMA: | |
558 | t = exprData_getPairA(data); | |
c3e695ff | 559 | ret = constraintExpr_makeExprNode(t); |
c3e695ff | 560 | break; |
3aaedf88 | 561 | default: |
562 | ret = oldconstraintExpr_makeTermExprNode (e); | |
563 | ||
564 | } | |
565 | return ret; | |
566 | } | |
567 | ||
0ec8d634 | 568 | /*@noaccess exprNode@*/ |
569 | ||
570 | ||
571 | ||
572 | ||
b7b694d6 | 573 | /*@only@*/ constraintExpr constraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e) |
3aaedf88 | 574 | { |
b7b694d6 | 575 | return oldconstraintExpr_makeTermExprNode(e); |
3aaedf88 | 576 | } |
577 | ||
28bf4b0b | 578 | static constraintExpr constraintExpr_makeTerm (/*@only@*/ constraintTerm t) |
920a3797 | 579 | { |
580 | constraintExpr ret; | |
581 | ||
582 | ret = constraintExpr_alloc(); | |
583 | ret->kind = term; | |
584 | ret->data = dmalloc (sizeof *(ret->data) ); | |
a779b61e | 585 | ret->data->term = NULL; |
920a3797 | 586 | ret->data = constraintExprData_termSetTerm (ret->data, t); |
86d93ed3 | 587 | ret->ct = FALSE; |
588 | ret->origType = ctype_undefined; | |
920a3797 | 589 | |
590 | return ret; | |
591 | } | |
3aaedf88 | 592 | |
28bf4b0b | 593 | constraintExpr constraintExpr_makeTermsRef (/*@temp@*/ sRef s) |
3aaedf88 | 594 | { |
595 | constraintExpr ret; | |
596 | constraintTerm t; | |
597 | ret = constraintExpr_alloc(); | |
598 | ret->kind = term; | |
599 | ret->data = dmalloc (sizeof *(ret->data) ); | |
600 | t = constraintTerm_makesRef (s); | |
601 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
86d93ed3 | 602 | |
603 | ret->ct = FALSE; | |
604 | ret->origType = ctype_undefined; | |
605 | ||
3aaedf88 | 606 | return ret; |
607 | } | |
608 | ||
749f175a | 609 | /*@special@*/ /*@notnull@*/ static constraintExpr makeUnaryOpGeneric (void) /*@allocates result->data@*/ /*@defines result->kind@*/ |
3aaedf88 | 610 | { |
611 | constraintExpr ret; | |
612 | ret = constraintExpr_alloc(); | |
613 | ret->kind = unaryExpr; | |
ae133592 | 614 | ret->data = dmalloc (sizeof *(ret->data)); |
a779b61e | 615 | ret->data->unaryOp.expr = constraintExpr_undefined; |
3aaedf88 | 616 | return ret; |
617 | } | |
618 | ||
749f175a | 619 | /*@notnull@*/ /*@only@*/ static constraintExpr constraintExpr_makeUnaryOpConstraintExpr (/*@only@*/ constraintExpr cexpr) |
3aaedf88 | 620 | { |
621 | constraintExpr ret; | |
920a3797 | 622 | ret = makeUnaryOpGeneric(); |
a8e557d3 | 623 | |
624 | /*@-uniondef@*/ | |
625 | /*@-compdef@*/ | |
b7b694d6 | 626 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); |
627 | ret->data = constraintExprData_unaryExprSetOp (ret->data, UNARYOP_UNDEFINED); | |
628 | ||
3aaedf88 | 629 | return ret; |
b7b694d6 | 630 | |
a8e557d3 | 631 | /*@=compdef@*/ |
c3e695ff | 632 | /*@=uniondef@*/ |
3aaedf88 | 633 | } |
634 | ||
920a3797 | 635 | |
ae133592 | 636 | /*@only@*/ /*@notnull@*/ static constraintExpr |
637 | constraintExpr_makeUnaryOp (/*@only@*/ constraintExpr cexpr, constraintExprUnaryOpKind Op) | |
920a3797 | 638 | { |
639 | constraintExpr ret; | |
640 | ret = makeUnaryOpGeneric(); | |
641 | ||
642 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); | |
643 | ret->data = constraintExprData_unaryExprSetOp (ret->data, Op); | |
644 | ||
86d93ed3 | 645 | ret->ct = FALSE; |
646 | ret->origType = ctype_undefined; | |
647 | ||
920a3797 | 648 | return ret; |
649 | } | |
650 | ||
749f175a | 651 | /*@only@*/ /*@notnull@*/ |
4ab867d6 | 652 | static constraintExpr constraintExpr_makeUnaryOpExprNode (/*@exposed@*/ exprNode expr) |
3aaedf88 | 653 | { |
654 | constraintExpr ret; | |
655 | constraintExpr sub; | |
656 | sub = constraintExpr_makeExprNode (expr); | |
657 | ret = constraintExpr_makeUnaryOpConstraintExpr(sub); | |
d46ce6a4 | 658 | |
3aaedf88 | 659 | return ret; |
660 | } | |
661 | ||
749f175a | 662 | /*@only@*/ /*@notnull@*/ |
663 | static constraintExpr constraintExpr_makeMaxSetConstraintExpr (/*@only@*/ constraintExpr c) | |
664 | { | |
665 | constraintExpr ret; | |
666 | ret = constraintExpr_makeUnaryOp (c, MAXSET); | |
667 | return ret; | |
668 | } | |
3aaedf88 | 669 | |
670 | ||
749f175a | 671 | /*@only@*/ /*@notnull@*/ |
28bf4b0b | 672 | static constraintExpr constraintExpr_makeSRefUnaryOp (/*@temp@*/ /*@observer@*/ sRef s, constraintExprUnaryOpKind op) |
3aaedf88 | 673 | { |
674 | constraintExpr ret; | |
675 | constraintExpr t; | |
676 | ||
677 | t = constraintExpr_makeTermsRef (s); | |
678 | ret = constraintExpr_makeUnaryOpConstraintExpr (t); | |
679 | ret->data = constraintExprData_unaryExprSetOp (ret->data, op); | |
d46ce6a4 | 680 | |
3aaedf88 | 681 | return ret; |
682 | } | |
683 | ||
bb25bea6 | 684 | /*@only@*/ |
28bf4b0b | 685 | constraintExpr constraintExpr_makeSRefMaxRead( sRef s) |
470b7798 | 686 | { |
687 | return (constraintExpr_makeSRefUnaryOp (s, MAXREAD) ); | |
688 | } | |
689 | ||
bb25bea6 | 690 | /*@only@*/ |
28bf4b0b | 691 | constraintExpr constraintExpr_makeSRefMaxset ( sRef s) |
3aaedf88 | 692 | { |
693 | return (constraintExpr_makeSRefUnaryOp (s, MAXSET) ); | |
694 | } | |
695 | ||
bb25bea6 | 696 | /*@only@*/ |
3aaedf88 | 697 | constraintExpr constraintExpr_parseMakeUnaryOp (lltok op, constraintExpr cexpr) |
698 | { | |
699 | constraintExpr ret; | |
700 | ret = constraintExpr_makeUnaryOpConstraintExpr ( cexpr); | |
701 | ||
80489f0a | 702 | switch (lltok_getTok (op)) |
3aaedf88 | 703 | { |
704 | case QMAXSET: | |
705 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET); | |
706 | break; | |
707 | case QMAXREAD: | |
708 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
709 | break; | |
710 | default: | |
2f2892c2 | 711 | llfatalbug (message ("Unhandled operation in constraint: %s", lltok_unparse (op))); |
3aaedf88 | 712 | } |
713 | return ret; | |
714 | } | |
715 | ||
bb25bea6 | 716 | /*@only@*/ |
4ab867d6 | 717 | constraintExpr constraintExpr_makeMaxSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 718 | { |
719 | constraintExpr ret; | |
720 | ret = constraintExpr_makeExprNode (expr); | |
721 | ||
722 | ret = constraintExpr_makeMaxSetConstraintExpr (ret); | |
723 | ||
dc92450f | 724 | llassert (ret != NULL); |
3aaedf88 | 725 | return ret; |
726 | } | |
727 | ||
bb25bea6 | 728 | /*@only@*/ |
3aaedf88 | 729 | constraintExpr constraintExpr_makeMaxReadExpr (exprNode expr) |
730 | { | |
731 | constraintExpr ret; | |
732 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
733 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
734 | return ret; | |
735 | } | |
736 | ||
15b3d2b2 | 737 | # if 0 |
bb25bea6 | 738 | /*@only@*/ |
28bf4b0b | 739 | /*@unused@*/ static constraintExpr constraintExpr_makeMinSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 740 | { |
741 | constraintExpr ret; | |
742 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
743 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINSET); | |
744 | return ret; | |
745 | } | |
746 | ||
bb25bea6 | 747 | /*@only@*/ |
28bf4b0b | 748 | /*@unused@*/ static constraintExpr constraintExpr_makeMinReadExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 749 | { |
750 | constraintExpr ret; | |
751 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
752 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINREAD); | |
753 | return ret; | |
754 | } | |
15b3d2b2 | 755 | # endif |
3aaedf88 | 756 | |
bb25bea6 | 757 | /*@only@*/ |
4ab867d6 | 758 | constraintExpr constraintExpr_makeValueExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 759 | { |
760 | constraintExpr ret; | |
761 | ret = constraintExpr_makeExprNode (expr); | |
762 | return ret; | |
763 | } | |
764 | ||
749f175a | 765 | /*@only@*/ /*@notnull@*/ |
b9904f57 | 766 | constraintExpr constraintExpr_makeIntLiteral (long i) |
3aaedf88 | 767 | { |
768 | constraintExpr ret; | |
769 | constraintTerm t; | |
770 | ret = constraintExpr_alloc(); | |
771 | ret->kind = term; | |
772 | ret->data = dmalloc (sizeof *(ret->data) ); | |
773 | t = constraintTerm_makeIntLiteral (i); | |
774 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
86d93ed3 | 775 | |
776 | ret->ct = FALSE; | |
777 | ret->origType = ctype_undefined; | |
778 | ||
3aaedf88 | 779 | return ret; |
780 | } | |
781 | ||
c3e695ff | 782 | /* |
3aaedf88 | 783 | constraintExpr constraintExpr_makeValueInt (int i) |
784 | { | |
785 | return constraintExpr_makeIntLiteral (i); | |
786 | } | |
c3e695ff | 787 | */ |
3aaedf88 | 788 | |
749f175a | 789 | /*@only@*/ /*@notnull@*/ |
28bf4b0b | 790 | /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) |
791 | /*@allocates result->data @*/ /*@sets result->kind @*/ | |
3aaedf88 | 792 | { |
793 | constraintExpr ret; | |
794 | ret = constraintExpr_alloc(); | |
795 | ret->kind = binaryexpr; | |
796 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
a779b61e | 797 | |
798 | ret->data->binaryOp.expr1 = constraintExpr_undefined; | |
799 | ret->data->binaryOp.expr2 = constraintExpr_undefined; | |
800 | ||
3aaedf88 | 801 | return ret; |
802 | } | |
803 | ||
804 | ||
749f175a | 805 | static /*@notnull@*/ /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExpr (/*@only@*/constraintExpr expr1, /*@only@*/ constraintExpr expr2) |
3aaedf88 | 806 | |
807 | { | |
808 | constraintExpr ret; | |
d46ce6a4 | 809 | |
3aaedf88 | 810 | ret = constraintExpr_makeBinaryOp(); |
811 | ret->data = constraintExprData_binaryExprSetExpr1 (ret->data, expr1); | |
812 | ret->data = constraintExprData_binaryExprSetExpr2 (ret->data, expr2); | |
84c9ffbf | 813 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED); |
86d93ed3 | 814 | |
815 | ret->ct = FALSE; | |
816 | ret->origType = ctype_undefined; | |
817 | ||
3aaedf88 | 818 | return ret; |
819 | } | |
820 | ||
bb25bea6 | 821 | /*@only@*/ |
d46ce6a4 | 822 | constraintExpr constraintExpr_parseMakeBinaryOp (/*@only@*/ constraintExpr expr1, lltok op,/*@only@*/ constraintExpr expr2) |
3aaedf88 | 823 | { |
824 | constraintExpr ret; | |
825 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
80489f0a | 826 | |
827 | if (lltok_getTok (op) == TPLUS) | |
828 | { | |
829 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_PLUS); | |
830 | } | |
831 | else if (lltok_getTok (op) == TMINUS) | |
832 | { | |
833 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_MINUS); | |
834 | } | |
835 | else | |
836 | { | |
837 | llassert (FALSE); | |
838 | } | |
839 | ||
3aaedf88 | 840 | return ret; |
841 | } | |
842 | ||
15b3d2b2 | 843 | # if 0 |
bb25bea6 | 844 | /*@only@*/ |
28bf4b0b | 845 | /*@unused@*/ static constraintExpr constraintExpr_makeBinaryOpExprNode (/*@exposed@*/ exprNode expr1, /*@exposed@*/ exprNode expr2) |
3aaedf88 | 846 | { |
847 | constraintExpr ret; | |
848 | constraintExpr sub1, sub2; | |
849 | sub1 = constraintExpr_makeTermExprNode (expr1); | |
850 | sub2 = constraintExpr_makeTermExprNode (expr2); | |
851 | ret = constraintExpr_makeBinaryOpConstraintExpr(sub1, sub2); | |
852 | return ret; | |
853 | } | |
15b3d2b2 | 854 | # endif |
3aaedf88 | 855 | |
749f175a | 856 | static /*@notnull@*/ /*@only@*/ |
d46ce6a4 | 857 | constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/ constraintExpr expr, int literal) |
3aaedf88 | 858 | { |
859 | constraintExpr ret; | |
860 | constraintExpr constExpr; | |
861 | ||
862 | constExpr = constraintExpr_makeIntLiteral (literal); | |
863 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, constExpr); | |
0c91982e | 864 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_PLUS); |
3aaedf88 | 865 | return ret; |
866 | } | |
867 | ||
bb25bea6 | 868 | /*@only@*/ |
d46ce6a4 | 869 | constraintExpr constraintExpr_makeDecConstraintExpr (/*@only@*/constraintExpr expr) |
3aaedf88 | 870 | { |
871 | constraintExpr ret; | |
872 | constraintExpr inc; | |
873 | ||
874 | inc = constraintExpr_makeIntLiteral (1); | |
875 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
acfb6ad9 | 876 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_MINUS); |
3aaedf88 | 877 | return ret; |
878 | } | |
879 | ||
2934b455 | 880 | |
881 | /*@only@*/ constraintExpr constraintExpr_makeSubtractExpr (/*@only@*/ constraintExpr expr, /*@only@*/ constraintExpr addent) | |
882 | { | |
28bf4b0b | 883 | constraintExpr ret; |
2934b455 | 884 | |
bb7c2085 | 885 | DPRINTF ((message ("Making subtract expression") ) ); |
2934b455 | 886 | |
28bf4b0b | 887 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
acfb6ad9 | 888 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_MINUS); |
28bf4b0b | 889 | return ret; |
2934b455 | 890 | } |
891 | ||
bb25bea6 | 892 | /*@only@*/ |
2934b455 | 893 | constraintExpr constraintExpr_makeAddExpr (/*@only@*/ |
bb25bea6 | 894 | constraintExpr expr, /*@only@*/ |
2934b455 | 895 | constraintExpr addent) |
3aaedf88 | 896 | { |
28bf4b0b | 897 | constraintExpr ret; |
3aaedf88 | 898 | |
bb7c2085 | 899 | DPRINTF ((message ("Doing addTerm simplification") ) ); |
3aaedf88 | 900 | |
28bf4b0b | 901 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
0c91982e | 902 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_PLUS); |
28bf4b0b | 903 | return ret; |
3aaedf88 | 904 | } |
905 | ||
2934b455 | 906 | |
bb25bea6 | 907 | /*@only@*/ |
d46ce6a4 | 908 | constraintExpr constraintExpr_makeIncConstraintExpr (/*@only@*/ constraintExpr expr) |
3aaedf88 | 909 | { |
910 | constraintExpr ret; | |
911 | constraintExpr inc; | |
912 | ||
913 | inc = constraintExpr_makeIntLiteral (1); | |
914 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
0c91982e | 915 | ret->data = constraintExprData_binaryExprSetOp(ret->data, BINARYOP_PLUS); |
3aaedf88 | 916 | return ret; |
917 | } | |
918 | ||
bb25bea6 | 919 | /*@only@*/ |
920 | static cstring constraintExprUnaryOpKind_print (constraintExprUnaryOpKind op) | |
3aaedf88 | 921 | { |
922 | switch (op) | |
923 | { | |
924 | case MAXSET: | |
03d670b6 | 925 | return message("maxSet"); |
3aaedf88 | 926 | case MINSET: |
03d670b6 | 927 | return message("minSet"); |
3aaedf88 | 928 | case MAXREAD: |
03d670b6 | 929 | return message("maxRead"); |
3aaedf88 | 930 | case MINREAD: |
03d670b6 | 931 | return message("minRead"); |
3aaedf88 | 932 | default: |
933 | llassert(FALSE); | |
934 | return message ("<(Unary OP OTHER>"); | |
935 | } | |
936 | } | |
937 | ||
938 | ||
bb25bea6 | 939 | /*@only@*/ |
940 | static cstring constraintExprBinaryOpKind_print (constraintExprBinaryOpKind op) | |
3aaedf88 | 941 | { |
942 | ||
943 | switch (op) | |
944 | { | |
0c91982e | 945 | case BINARYOP_PLUS: |
3aaedf88 | 946 | return message("+"); |
acfb6ad9 | 947 | case BINARYOP_MINUS: |
3aaedf88 | 948 | return message("-"); |
dc92450f | 949 | |
950 | default: | |
951 | llassert(FALSE); | |
952 | return message ("<binary OP Unknown>"); | |
3aaedf88 | 953 | } |
3aaedf88 | 954 | } |
955 | ||
956 | bool constraintExpr_similar (constraintExpr expr1, constraintExpr expr2) | |
957 | { | |
958 | constraintExprKind kind; | |
959 | ||
960 | llassert (expr1 != NULL); | |
961 | llassert (expr2 != NULL); | |
962 | if (expr1->kind != expr2->kind) | |
963 | return FALSE; | |
964 | ||
965 | kind = expr1->kind; | |
966 | ||
967 | switch (kind) | |
968 | { | |
969 | case term: | |
970 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
971 | constraintExprData_termGetTerm(expr2->data) ); | |
c3e695ff | 972 | /*@notreached@*/ break; |
3aaedf88 | 973 | |
974 | case unaryExpr: | |
975 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
976 | return FALSE; | |
977 | ||
978 | return (constraintExpr_similar ( | |
979 | constraintExprData_unaryExprGetExpr (expr1->data), | |
980 | constraintExprData_unaryExprGetExpr (expr2->data) | |
981 | )); | |
982 | ||
983 | case binaryexpr: | |
984 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
985 | return FALSE; | |
986 | ||
987 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
988 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
989 | return FALSE; | |
990 | ||
991 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
992 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
993 | return FALSE; | |
994 | else | |
995 | return TRUE; | |
996 | /*@notreached@*/ | |
997 | break; | |
998 | ||
999 | default: | |
1000 | llassert(FALSE); | |
1001 | return FALSE; | |
1002 | } | |
1003 | /*@notreached@*/ | |
1004 | return FALSE; | |
1005 | } | |
1006 | ||
1007 | bool constraintExpr_same (constraintExpr expr1, constraintExpr expr2) | |
1008 | { | |
1009 | constraintExprKind kind; | |
1010 | ||
1011 | llassert (expr1 != NULL); | |
1012 | llassert (expr2 != NULL); | |
1013 | if (expr1->kind != expr2->kind) | |
1014 | return FALSE; | |
1015 | ||
1016 | kind = expr1->kind; | |
1017 | ||
1018 | switch (kind) | |
1019 | { | |
1020 | case term: | |
1021 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
1022 | constraintExprData_termGetTerm(expr2->data) ); | |
dc92450f | 1023 | /*@notreached@*/ break; |
3aaedf88 | 1024 | |
1025 | case unaryExpr: | |
1026 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
1027 | return FALSE; | |
1028 | ||
1029 | return (constraintExpr_same ( | |
1030 | constraintExprData_unaryExprGetExpr (expr1->data), | |
1031 | constraintExprData_unaryExprGetExpr (expr2->data) | |
1032 | )); | |
1033 | ||
1034 | ||
1035 | case binaryexpr: | |
1036 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
1037 | return FALSE; | |
1038 | ||
1039 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
1040 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
1041 | return FALSE; | |
1042 | ||
1043 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
1044 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
1045 | return FALSE; | |
1046 | else | |
1047 | return TRUE; | |
dc92450f | 1048 | /*@notreached@*/ break; |
3aaedf88 | 1049 | |
1050 | default: | |
1051 | llassert(FALSE); | |
1052 | return FALSE; | |
1053 | } | |
1054 | ||
1055 | /*@notreached@*/ | |
1056 | BADEXIT; | |
1057 | } | |
1058 | ||
9a48d98c | 1059 | bool |
1060 | constraintExpr_search (/*@observer@*/ constraintExpr c, | |
1061 | /*@observer@*/ constraintExpr old) | |
3aaedf88 | 1062 | { |
1063 | bool ret = FALSE; | |
1064 | constraintExprKind kind; | |
1065 | constraintExpr temp; | |
1066 | ||
9a48d98c | 1067 | if (constraintExpr_similar (c, old)) |
3aaedf88 | 1068 | { |
9a48d98c | 1069 | DPRINTF (("Found %q", constraintExpr_unparse (old))); |
3aaedf88 | 1070 | return TRUE; |
1071 | } | |
1072 | ||
749f175a | 1073 | llassert (constraintExpr_isDefined (c) && constraintExpr_isDefined(old) ); |
1074 | ||
1075 | if ( !(constraintExpr_isDefined (c) && constraintExpr_isDefined(old) ) ) | |
1076 | return FALSE; | |
1077 | ||
3aaedf88 | 1078 | kind = c->kind; |
1079 | ||
1080 | switch (kind) | |
1081 | { | |
1082 | case term: | |
1083 | break; | |
1084 | case unaryExpr: | |
1085 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
1086 | ret = ret || constraintExpr_search (temp, old); | |
1087 | break; | |
1088 | case binaryexpr: | |
1089 | ||
1090 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
1091 | ret = ret || constraintExpr_search(temp, old); | |
1092 | ||
1093 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
1094 | ret = ret || constraintExpr_search(temp, old); | |
1095 | break; | |
1096 | default: | |
1097 | llassert(FALSE); | |
1098 | } | |
1099 | return ret; | |
1100 | ||
1101 | } | |
1102 | ||
1103 | ||
ae133592 | 1104 | /*@only@*/ constraintExpr |
1105 | constraintExpr_searchandreplace (/*@only@*/ /*@unique@*/ constraintExpr c, /*@temp@*/ constraintExpr old, | |
1106 | /*@temp@*/ constraintExpr newExpr ) | |
3aaedf88 | 1107 | { |
1108 | constraintExprKind kind; | |
1109 | constraintExpr temp; | |
86d93ed3 | 1110 | constraintExpr ret; |
749f175a | 1111 | |
ae133592 | 1112 | llassert (constraintExpr_isDefined (newExpr) && (constraintExpr_isDefined (old) && constraintExpr_isDefined(c) ) ); |
3aaedf88 | 1113 | |
ae133592 | 1114 | if (constraintExpr_similar (c, old)) |
3aaedf88 | 1115 | { |
ae133592 | 1116 | ctype newType = ctype_unknown; |
1117 | ctype cType = ctype_unknown; | |
86d93ed3 | 1118 | |
1119 | ret = constraintExpr_copy (newExpr); | |
749f175a | 1120 | llassert(constraintExpr_isDefined(ret) ); |
1121 | /*drl if newExpr != NULL then ret will != NULL*/ | |
1122 | ||
ae133592 | 1123 | DPRINTF (("Replacing %s with %s in %s", |
1124 | constraintExpr_unparse (old), constraintExpr_unparse (newExpr), | |
1125 | constraintExpr_unparse (c))); | |
86d93ed3 | 1126 | |
ae133592 | 1127 | if (constraintExpr_canGetCType (c) && constraintExpr_canGetCType (newExpr)) |
86d93ed3 | 1128 | { |
1129 | cType = constraintExpr_getCType(c); | |
ae133592 | 1130 | newType = constraintExpr_getCType (newExpr); |
86d93ed3 | 1131 | |
ae133592 | 1132 | if (ctype_match (cType,newType)) |
86d93ed3 | 1133 | { |
ae133592 | 1134 | DPRINTF (("constraintExpr_searchandreplace: replacing " |
1135 | " %s with type %s with %s with type %s", | |
1136 | constraintExpr_unparse (c), ctype_unparse(cType), | |
1137 | constraintExpr_unparse (newExpr), ctype_unparse(newType))); | |
86d93ed3 | 1138 | |
1139 | ret->ct = TRUE; | |
1140 | ret->origType = cType; | |
ae133592 | 1141 | DPRINTF (("Type: %s", ctype_unparse (constraintExpr_getCType (ret)))); |
86d93ed3 | 1142 | } |
1143 | } | |
ae133592 | 1144 | |
1145 | if (constraintExpr_hasMaxSet (c)) | |
86d93ed3 | 1146 | { |
ae133592 | 1147 | if (constraintExpr_hasTypeChange (c)) |
1148 | { | |
1149 | fileloc loc = constraintExpr_loc (c); | |
1150 | DPRINTF (("constraintExpr_searchandreplace: encountered " | |
1151 | "MaxSet with changed type %s ", | |
1152 | constraintExpr_unparse (c))); | |
1153 | ||
1154 | if (c->kind == unaryExpr) | |
1155 | { | |
1156 | constraintExpr ce = constraintExprData_unaryExprGetExpr (c->data); | |
1157 | DPRINTF (("Its a unary! %s / %s", | |
1158 | ctype_unparse (constraintExpr_getCType (ce)), | |
1159 | ctype_unparse (constraintExpr_getOrigType (ce)))); | |
1160 | ret = constraintExpr_adjustMaxSetForCast (ret, constraintExpr_getCType (ce), | |
1161 | constraintExpr_getOrigType (ce), | |
1162 | loc); | |
1163 | } | |
1164 | else | |
1165 | { | |
1166 | /* fix this with a conversation */ | |
1167 | DPRINTF (("Types: %s / %s", ctype_unparse (newType), ctype_unparse (cType))); | |
1168 | ret = constraintExpr_adjustMaxSetForCast (ret, constraintExpr_getCType (c), | |
1169 | constraintExpr_getOrigType(c), | |
1170 | loc); | |
1171 | } | |
1172 | } | |
86d93ed3 | 1173 | } |
ae133592 | 1174 | |
1175 | constraintExpr_free (c); | |
1176 | DPRINTF (("ret: %s", constraintExpr_unparse (ret))); | |
86d93ed3 | 1177 | return ret; |
3aaedf88 | 1178 | } |
1179 | ||
1180 | kind = c->kind; | |
1181 | ||
1182 | switch (kind) | |
1183 | { | |
1184 | case term: | |
1185 | break; | |
1186 | case unaryExpr: | |
ae133592 | 1187 | DPRINTF (("Making unary expression!")); |
3aaedf88 | 1188 | temp = constraintExprData_unaryExprGetExpr (c->data); |
ae133592 | 1189 | temp = constraintExpr_copy (temp); |
28bf4b0b | 1190 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1191 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); |
1192 | break; | |
1193 | case binaryexpr: | |
ae133592 | 1194 | DPRINTF (("Making binary expression!")); |
3aaedf88 | 1195 | temp = constraintExprData_binaryExprGetExpr1 (c->data); |
ae133592 | 1196 | temp = constraintExpr_copy (temp); |
28bf4b0b | 1197 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1198 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); |
1199 | ||
1200 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
ae133592 | 1201 | temp = constraintExpr_copy (temp); |
28bf4b0b | 1202 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1203 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); |
1204 | break; | |
1205 | default: | |
ae133592 | 1206 | llassert (FALSE); |
3aaedf88 | 1207 | } |
ae133592 | 1208 | |
1209 | DPRINTF (("ret: %s", constraintExpr_unparse (c))); | |
3aaedf88 | 1210 | return c; |
3aaedf88 | 1211 | } |
1212 | ||
749f175a | 1213 | /*@notnull@*/ static constraintExpr constraintExpr_simplifyChildren (/*@returned@*/ /*@notnull@*/ constraintExpr c) |
3aaedf88 | 1214 | { |
1215 | constraintExprKind kind; | |
1216 | constraintExpr temp; | |
1217 | ||
1218 | kind = c->kind; | |
1219 | ||
1220 | switch (kind) | |
1221 | { | |
1222 | case term: | |
1223 | break; | |
1224 | case unaryExpr: | |
1225 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1226 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1227 | temp = constraintExpr_simplify (temp); |
1228 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
1229 | break; | |
1230 | case binaryexpr: | |
c3e695ff | 1231 | DPRINTF((message("constraintExpr_simplfiyChildren: simplify binary expression: %s",constraintExpr_unparse(c) ) ) ); |
3aaedf88 | 1232 | temp = constraintExprData_binaryExprGetExpr1 (c->data); |
d46ce6a4 | 1233 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1234 | temp = constraintExpr_simplify (temp); |
1235 | ||
1236 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
1237 | ||
1238 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1239 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1240 | temp = constraintExpr_simplify (temp); |
1241 | ||
1242 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
1243 | break; | |
1244 | default: | |
1245 | llassert(FALSE); | |
1246 | } | |
1247 | return c; | |
1248 | ||
1249 | } | |
1250 | ||
1251 | ||
28bf4b0b | 1252 | constraintExpr constraintExpr_setFileloc (/*@returned@*/ constraintExpr c, fileloc loc) /*@modifies c @*/ |
3aaedf88 | 1253 | { |
1254 | constraintTerm t; | |
1255 | constraintExpr temp; | |
1256 | ||
dc92450f | 1257 | llassert(c != NULL); |
3aaedf88 | 1258 | |
1259 | switch (c->kind) | |
1260 | { | |
1261 | case term: | |
1262 | t = constraintExprData_termGetTerm (c->data); | |
d46ce6a4 | 1263 | t = constraintTerm_copy(t); |
3aaedf88 | 1264 | t = constraintTerm_setFileloc (t, loc); |
1265 | c->data = constraintExprData_termSetTerm (c->data, t); | |
1266 | break; | |
1267 | case binaryexpr: | |
1268 | ||
1269 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 1270 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1271 | temp = constraintExpr_setFileloc (temp, loc); |
1272 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
1273 | ||
1274 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1275 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1276 | temp = constraintExpr_setFileloc (temp, loc); |
1277 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
1278 | break; | |
1279 | case unaryExpr: | |
1280 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1281 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1282 | temp = constraintExpr_setFileloc (temp, loc); |
1283 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
1284 | break; | |
1285 | } | |
1286 | return c; | |
1287 | } | |
1288 | ||
749f175a | 1289 | static /*@only@*/ constraintExpr constraintExpr_simplifybinaryExpr (/*@only@*/ /*@notnull@*/ constraintExpr c) |
3aaedf88 | 1290 | { |
1291 | constraintExpr e1, e2; | |
7c9c4a67 | 1292 | constraintExprBinaryOpKind op; |
1293 | ||
3aaedf88 | 1294 | e1 = constraintExprData_binaryExprGetExpr1 (c->data); |
1295 | e2 = constraintExprData_binaryExprGetExpr2 (c->data); | |
1296 | ||
1297 | if (constraintExpr_canGetValue (e1) && constraintExpr_canGetValue(e2) ) | |
1298 | { | |
b9904f57 | 1299 | long i; |
3aaedf88 | 1300 | |
1301 | i = constraintExpr_getValue(e1) + constraintExpr_getValue (e2); | |
d46ce6a4 | 1302 | constraintExpr_free(c); |
3aaedf88 | 1303 | c = constraintExpr_makeIntLiteral (i); |
3aaedf88 | 1304 | } |
7c9c4a67 | 1305 | else |
1306 | { | |
1307 | op = constraintExprData_binaryExprGetOp (c->data); | |
acfb6ad9 | 1308 | if (op == BINARYOP_MINUS) |
7c9c4a67 | 1309 | if (constraintExpr_similar(e1, e2) ) |
1310 | { | |
1311 | constraintExpr_free(c); | |
1312 | c = constraintExpr_makeIntLiteral (0); | |
1313 | } | |
1314 | } | |
1315 | ||
3aaedf88 | 1316 | return c; |
1317 | } | |
1318 | ||
bb25bea6 | 1319 | /* |
1320 | this thing takes the lexpr and expr of a constraint and modifies lexpr | |
1321 | and returns a (possiblly new) value for expr | |
1322 | */ | |
1323 | /* 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 */ | |
1324 | ||
1325 | /* the approach is a little Kludgy but seems to work. I should probably use something cleaner at some point ... */ | |
1326 | ||
1327 | ||
1328 | /*@only@*/ constraintExpr constraintExpr_solveBinaryExpr (constraintExpr lexpr, /*@only@*/ constraintExpr expr) | |
3aaedf88 | 1329 | { |
1330 | constraintExpr expr1, expr2; | |
1331 | constraintExprBinaryOpKind op; | |
749f175a | 1332 | |
1333 | llassert(constraintExpr_isDefined (lexpr) && constraintExpr_isDefined (expr) ); | |
3aaedf88 | 1334 | |
1335 | if (lexpr->kind != binaryexpr) | |
1336 | return expr; | |
1337 | ||
1338 | expr2 = constraintExprData_binaryExprGetExpr2 (lexpr->data); | |
1339 | expr1 = constraintExprData_binaryExprGetExpr1 (lexpr->data); | |
bb25bea6 | 1340 | |
3aaedf88 | 1341 | op = constraintExprData_binaryExprGetOp (lexpr->data); |
1342 | ||
bb25bea6 | 1343 | expr1 = constraintExpr_copy(expr1); |
1344 | expr2 = constraintExpr_copy(expr2); | |
749f175a | 1345 | |
1346 | llassert(constraintExpr_isDefined (expr1) && constraintExpr_isDefined (expr2) ); | |
1347 | ||
b7b694d6 | 1348 | /* drl possible problem : warning make sure this works */ |
1349 | ||
1350 | lexpr->kind = expr1->kind; | |
1351 | sfree (lexpr->data); | |
1352 | ||
1353 | lexpr->data = copyExprData (expr1->data, expr1->kind); | |
1354 | constraintExpr_free(expr1); | |
1355 | ||
0c91982e | 1356 | if (op == BINARYOP_PLUS) |
b7b694d6 | 1357 | expr = constraintExpr_makeSubtractExpr (expr, expr2); |
acfb6ad9 | 1358 | else if (op == BINARYOP_MINUS) |
b7b694d6 | 1359 | expr = constraintExpr_makeAddExpr (expr, expr2); |
1360 | else | |
1361 | BADEXIT; | |
1362 | ||
1363 | ||
1364 | return expr; | |
bb25bea6 | 1365 | |
c3e695ff | 1366 | /* |
1367 | #warning this needs to be checked | |
1368 | expr = constraintExpr_solveBinaryExpr (expr1, expr); | |
1369 | ||
1370 | expr = constraintExpr_solveBinaryExpr (expr2, expr); | |
1371 | return expr; | |
1372 | */ | |
3aaedf88 | 1373 | } |
1374 | ||
bb25bea6 | 1375 | static /*@only@*/ constraintExpr constraintExpr_simplifyunaryExpr (/*@only@*/ constraintExpr c) |
3aaedf88 | 1376 | { |
1377 | constraintExpr exp; | |
749f175a | 1378 | |
1379 | llassert(constraintExpr_isDefined (c) ); | |
3aaedf88 | 1380 | llassert (c->kind == unaryExpr); |
1381 | ||
d30bc0c7 | 1382 | DPRINTF ((message ("Doing constraintExpr_simplifyunaryExpr:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1383 | |
bb7c2085 | 1384 | if ((constraintExprData_unaryExprGetOp (c->data) != MAXSET) && |
3aaedf88 | 1385 | (constraintExprData_unaryExprGetOp (c->data) != MAXREAD) ) |
1386 | { | |
1387 | return c; | |
1388 | } | |
3aaedf88 | 1389 | |
1390 | exp = constraintExprData_unaryExprGetExpr (c->data); | |
a779b61e | 1391 | exp = constraintExpr_copy(exp); |
1392 | ||
749f175a | 1393 | llassert(constraintExpr_isDefined (exp) ); |
1394 | ||
3aaedf88 | 1395 | if (exp->kind == term) |
1396 | { | |
1397 | constraintTerm cterm; | |
1398 | ||
1399 | cterm = constraintExprData_termGetTerm (exp->data); | |
1400 | ||
1401 | if (constraintTerm_isStringLiteral(cterm) ) | |
1402 | { | |
1403 | cstring val; | |
1404 | val = constraintTerm_getStringLiteral (cterm); | |
1405 | if (constraintExprData_unaryExprGetOp (c->data) == MAXSET) | |
1406 | { | |
d46ce6a4 | 1407 | constraintExpr temp; |
1408 | ||
28bf4b0b | 1409 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1410 | cstring_free(val); |
1411 | constraintExpr_free(c); | |
a779b61e | 1412 | constraintExpr_free(exp); |
1413 | ||
d46ce6a4 | 1414 | return temp; |
a779b61e | 1415 | |
3aaedf88 | 1416 | } |
1417 | if (constraintExprData_unaryExprGetOp (c->data) == MAXREAD) | |
1418 | { | |
d46ce6a4 | 1419 | constraintExpr temp; |
1420 | ||
28bf4b0b | 1421 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1422 | cstring_free(val); |
1423 | constraintExpr_free(c); | |
a779b61e | 1424 | constraintExpr_free(exp); |
1425 | ||
d46ce6a4 | 1426 | return temp; |
3aaedf88 | 1427 | } |
1428 | BADEXIT; | |
1429 | } | |
d30bc0c7 | 1430 | |
b7b694d6 | 1431 | /* slight Kludge to hanlde var [] = { , , }; |
1432 | ** type syntax I don't think this is sounds but it should be good | |
1433 | ** enough. The C stanrad is very confusing about initialization | |
1434 | ** -- DRL 7/25/01 | |
1435 | */ | |
d30bc0c7 | 1436 | |
1437 | if (constraintTerm_isInitBlock(cterm) ) | |
1438 | { | |
1439 | constraintExpr temp; | |
1440 | int len; | |
1441 | ||
1442 | len = constraintTerm_getInitBlockLength(cterm); | |
1443 | ||
1444 | temp = constraintExpr_makeIntLiteral (len ); | |
1445 | ||
1446 | constraintExpr_free(c); | |
1447 | DPRINTF(( message("Changed too %q", constraintExpr_print(temp) | |
1448 | ) )); | |
a779b61e | 1449 | constraintExpr_free(exp); |
d30bc0c7 | 1450 | return temp; |
1451 | } | |
1452 | ||
a779b61e | 1453 | constraintExpr_free(exp); |
3aaedf88 | 1454 | return c; |
1455 | } | |
1456 | ||
1457 | if (exp->kind != binaryexpr) | |
a779b61e | 1458 | { |
1459 | constraintExpr_free(exp); | |
1460 | return c; | |
1461 | } | |
1462 | ||
0c91982e | 1463 | if (constraintExprData_binaryExprGetOp (exp->data) == BINARYOP_PLUS ) |
3aaedf88 | 1464 | { |
1465 | ||
b7b694d6 | 1466 | /* if (constraintExpr_canGetValue (constraintExprData_binaryExprGetExpr2 (exp->data) ) ) */ |
3aaedf88 | 1467 | { |
1468 | ||
4ab867d6 | 1469 | constraintExpr temp, temp2; |
3aaedf88 | 1470 | |
bb7c2085 | 1471 | DPRINTF ((message ("Doing fancy simplification") ) ); |
3aaedf88 | 1472 | |
1473 | temp = constraintExprData_binaryExprGetExpr2 (exp->data); | |
1474 | ||
1475 | temp2 = constraintExprData_binaryExprGetExpr1 (exp->data); | |
d46ce6a4 | 1476 | |
1477 | temp2 = constraintExpr_copy(temp2); | |
3aaedf88 | 1478 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp2); |
1479 | ||
1480 | ||
bb25bea6 | 1481 | temp = constraintExpr_copy (temp); |
1482 | ||
2934b455 | 1483 | c = constraintExpr_makeSubtractExpr (c, temp); |
3aaedf88 | 1484 | |
bb7c2085 | 1485 | DPRINTF ((message ("Done fancy simplification:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1486 | } |
1487 | } | |
1488 | ||
bb7c2085 | 1489 | DPRINTF ((message ("constraintExpr_simplifyUnaryExpr: Done simplification:%s", constraintExpr_unparse (c) ) ) ); |
a779b61e | 1490 | |
1491 | constraintExpr_free(exp); | |
3aaedf88 | 1492 | return c; |
1493 | } | |
1494 | ||
1495 | ||
bb25bea6 | 1496 | /*@only@*/ constraintExpr constraintExpr_simplify (/*@only@*/ constraintExpr c) |
3aaedf88 | 1497 | { |
1498 | constraintExprKind kind; | |
bb25bea6 | 1499 | constraintExpr ret; |
3aaedf88 | 1500 | constraintTerm t; |
3aaedf88 | 1501 | |
bb7c2085 | 1502 | DPRINTF ((message ("Doing constraintExpr_simplify:%s", constraintExpr_unparse (c) ) ) ); |
bb25bea6 | 1503 | |
3aaedf88 | 1504 | |
3aaedf88 | 1505 | |
749f175a | 1506 | llassert ( constraintExpr_isDefined (c) ); |
1507 | if (constraintExpr_isUndefined (c) ) | |
1508 | { | |
1509 | return constraintExpr_undefined; | |
1510 | } | |
1511 | ||
bb25bea6 | 1512 | ret = constraintExpr_copy(c); |
749f175a | 1513 | llassert(constraintExpr_isDefined (ret) ); |
1514 | ||
bb25bea6 | 1515 | constraintExpr_free(c); |
1516 | ||
1517 | ret = constraintExpr_simplifyChildren (ret); | |
1518 | ||
1519 | ret = constraintExpr_combineConstants (ret); | |
1520 | ||
1521 | ret = constraintExpr_simplifyChildren (ret); | |
1522 | ||
1523 | ||
1524 | kind = ret->kind; | |
3aaedf88 | 1525 | |
1526 | switch (kind) | |
1527 | { | |
1528 | case term: | |
bb25bea6 | 1529 | t = constraintExprData_termGetTerm (ret->data); |
d46ce6a4 | 1530 | t = constraintTerm_copy(t); |
3aaedf88 | 1531 | t = constraintTerm_simplify (t); |
bb25bea6 | 1532 | ret->data = constraintExprData_termSetTerm (ret->data, t); |
3aaedf88 | 1533 | break; |
1534 | case unaryExpr: | |
bb25bea6 | 1535 | ret = constraintExpr_simplifyunaryExpr (ret); |
3aaedf88 | 1536 | break; |
1537 | case binaryexpr: | |
bb25bea6 | 1538 | ret = constraintExpr_simplifybinaryExpr (ret); |
3aaedf88 | 1539 | break; |
1540 | default: | |
1541 | llassert(FALSE); | |
bb25bea6 | 1542 | } |
1543 | ||
bb7c2085 | 1544 | DPRINTF ((message ("constraintExpr_simplify returning :%s", constraintExpr_unparse (ret) ) ) ); |
bb25bea6 | 1545 | return ret; |
3aaedf88 | 1546 | |
1547 | } | |
1548 | ||
bb25bea6 | 1549 | /*@only@*/ |
ae133592 | 1550 | cstring constraintExpr_unparse (/*@temp@*/ constraintExpr ex) /*@*/ |
3aaedf88 | 1551 | { |
1552 | cstring st; | |
1553 | constraintExprKind kind; | |
1554 | ||
1555 | llassert (ex != NULL); | |
1556 | ||
1557 | kind = ex->kind; | |
1558 | ||
1559 | switch (kind) | |
1560 | { | |
1561 | case term: | |
ae133592 | 1562 | if (context_getFlag (FLG_PARENCONSTRAINT) ) |
1563 | { | |
1564 | st = message ("(%q) ", constraintTerm_unparse (constraintExprData_termGetTerm (ex->data))); | |
1565 | } | |
1566 | else | |
1567 | { | |
1568 | st = message ("%q", constraintTerm_unparse (constraintExprData_termGetTerm (ex->data))); | |
1569 | } | |
3aaedf88 | 1570 | break; |
1571 | case unaryExpr: | |
a779b61e | 1572 | st = message ("%q(%q)", |
1573 | constraintExprUnaryOpKind_print (constraintExprData_unaryExprGetOp (ex->data) ), | |
3aaedf88 | 1574 | constraintExpr_unparse (constraintExprData_unaryExprGetExpr (ex->data) ) |
1575 | ); | |
1576 | break; | |
1577 | case binaryexpr: | |
a779b61e | 1578 | if (context_getFlag (FLG_PARENCONSTRAINT) ) |
1579 | { | |
1580 | st = message ("(%q) %q (%q)", | |
ae133592 | 1581 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ), |
1582 | constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data)), | |
1583 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) ) | |
1584 | ); | |
a779b61e | 1585 | } |
1586 | else | |
1587 | { | |
1588 | st = message ("%q %q %q", | |
ae133592 | 1589 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data)), |
1590 | constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data)), | |
1591 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data)) | |
a779b61e | 1592 | ); |
1593 | } | |
1594 | ||
3aaedf88 | 1595 | break; |
1596 | default: | |
1597 | llassert(FALSE); | |
1598 | st = message ("error"); | |
1599 | ||
1600 | } | |
1601 | ||
1602 | DPRINTF((message ("constraintExpr_unparse: '%s'",st) ) ); | |
1603 | return st; | |
1604 | } | |
1605 | ||
1606 | constraintExpr constraintExpr_doSRefFixBaseParam (/*@returned@*/ constraintExpr expr, exprNodeList arglist) | |
1607 | { | |
1608 | constraintTerm Term; | |
1609 | constraintExprKind kind; | |
1610 | constraintExpr expr1, expr2; | |
1611 | constraintExprData data; | |
1612 | llassert (expr != NULL); | |
1613 | ||
1614 | data = expr->data; | |
1615 | ||
1616 | kind = expr->kind; | |
1617 | ||
1618 | switch (kind) | |
1619 | { | |
1620 | case term: | |
1621 | Term = constraintExprData_termGetTerm(data); | |
d46ce6a4 | 1622 | Term = constraintTerm_copy(Term); |
1623 | ||
3aaedf88 | 1624 | Term = constraintTerm_doSRefFixBaseParam (Term, arglist); |
1625 | data = constraintExprData_termSetTerm(data, Term); | |
1626 | break; | |
1627 | case unaryExpr: | |
1628 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1629 | expr1 = constraintExpr_copy(expr1); |
1630 | ||
3aaedf88 | 1631 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1632 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1633 | break; | |
1634 | case binaryexpr: | |
1635 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1636 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1637 | ||
d46ce6a4 | 1638 | expr1 = constraintExpr_copy(expr1); |
1639 | expr2 = constraintExpr_copy(expr2); | |
1640 | ||
3aaedf88 | 1641 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1642 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1643 | expr2 = constraintExpr_doSRefFixBaseParam (expr2, arglist); | |
1644 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1645 | ||
1646 | break; | |
1647 | default: | |
1648 | llassert(FALSE); | |
1649 | data = NULL; | |
1650 | } | |
1651 | return expr; | |
1652 | } | |
1653 | ||
86d93ed3 | 1654 | /* |
1655 | / *@only@* / constraintExpr constraintExpr_doSRefFixInvarConstraint (/ *@only@* / constraintExpr expr, sRef s, ctype ct) | |
1656 | { | |
1657 | constraintExprKind kind; | |
1658 | constraintExpr expr1, expr2; | |
1659 | constraintExprData data; | |
1660 | llassert (expr != NULL); | |
1661 | ||
1662 | data = expr->data; | |
1663 | ||
1664 | kind = expr->kind; | |
1665 | ||
1666 | switch (kind) | |
1667 | { | |
1668 | case term: | |
1669 | expr = doSRefFixInvarConstraintTerm (expr, s, ct); | |
1670 | break; | |
1671 | case unaryExpr: | |
1672 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
1673 | expr1 = constraintExpr_copy(expr1); | |
1674 | expr1 = constraintExpr_doSRefFixInvarConstraint (expr1, s, ct); | |
1675 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1676 | break; | |
1677 | case binaryexpr: | |
1678 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1679 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1680 | ||
1681 | expr1 = constraintExpr_copy(expr1); | |
1682 | expr2 = constraintExpr_copy(expr2); | |
1683 | ||
1684 | expr1 = constraintExpr_doSRefFixInvarConstraint (expr1, s, ct); | |
1685 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1686 | expr2 = constraintExpr_doSRefFixInvarConstraint (expr2, s, ct); | |
1687 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1688 | ||
1689 | break; | |
1690 | default: | |
1691 | llassert(FALSE); | |
1692 | data = NULL; | |
1693 | } | |
1694 | return expr; | |
1695 | } | |
1696 | */ | |
1697 | ||
d46ce6a4 | 1698 | /*@only@*/ constraintExpr constraintExpr_doSRefFixConstraintParam (/*@only@*/ constraintExpr expr, exprNodeList arglist) /*@modifies expr@*/ |
3aaedf88 | 1699 | { |
1700 | constraintExprKind kind; | |
1701 | constraintExpr expr1, expr2; | |
1702 | constraintExprData data; | |
1703 | llassert (expr != NULL); | |
1704 | ||
1705 | data = expr->data; | |
1706 | ||
1707 | kind = expr->kind; | |
1708 | ||
1709 | switch (kind) | |
1710 | { | |
1711 | case term: | |
c3e695ff | 1712 | expr = doSRefFixConstraintParamTerm (expr, arglist); |
3aaedf88 | 1713 | break; |
1714 | case unaryExpr: | |
1715 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1716 | expr1 = constraintExpr_copy(expr1); |
3aaedf88 | 1717 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1718 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1719 | break; | |
1720 | case binaryexpr: | |
1721 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1722 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1723 | ||
d46ce6a4 | 1724 | expr1 = constraintExpr_copy(expr1); |
1725 | expr2 = constraintExpr_copy(expr2); | |
1726 | ||
3aaedf88 | 1727 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1728 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1729 | expr2 = constraintExpr_doSRefFixConstraintParam (expr2, arglist); | |
1730 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1731 | ||
1732 | break; | |
1733 | default: | |
1734 | llassert(FALSE); | |
1735 | data = NULL; | |
1736 | } | |
1737 | return expr; | |
1738 | } | |
1739 | ||
28bf4b0b | 1740 | /*@only@*/ constraintExpr constraintExpr_doFixResult (/*@only@*/ constraintExpr expr, /*@observer@*/ exprNode fcnCall) |
3aaedf88 | 1741 | { |
1742 | constraintExprKind kind; | |
1743 | constraintExpr expr1, expr2; | |
1744 | constraintExprData data; | |
1745 | llassert (expr != NULL); | |
1746 | ||
1747 | data = expr->data; | |
1748 | ||
1749 | kind = expr->kind; | |
1750 | ||
1751 | switch (kind) | |
1752 | { | |
1753 | case term: | |
c3e695ff | 1754 | expr = doFixResultTerm (expr, fcnCall); |
3aaedf88 | 1755 | break; |
1756 | case unaryExpr: | |
1757 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1758 | expr1 = constraintExpr_copy(expr1); |
1759 | ||
3aaedf88 | 1760 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1761 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1762 | break; | |
1763 | case binaryexpr: | |
1764 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1765 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1766 | ||
d46ce6a4 | 1767 | expr1 = constraintExpr_copy(expr1); |
1768 | expr2 = constraintExpr_copy(expr2); | |
1769 | ||
3aaedf88 | 1770 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1771 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1772 | expr2 = constraintExpr_doFixResult (expr2, fcnCall); | |
1773 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1774 | ||
1775 | break; | |
1776 | default: | |
1777 | llassert(FALSE); | |
1778 | data = NULL; | |
1779 | } | |
1780 | return expr; | |
1781 | } | |
1782 | ||
dc92450f | 1783 | cstring constraintExpr_print (constraintExpr expr) /*@*/ |
3aaedf88 | 1784 | { |
b9904f57 | 1785 | return constraintExpr_unparse (expr); |
3aaedf88 | 1786 | } |
1787 | ||
dc92450f | 1788 | bool constraintExpr_hasMaxSet (constraintExpr expr) /*@*/ |
3aaedf88 | 1789 | { |
1790 | cstring t; | |
1791 | ||
1792 | t = constraintExpr_unparse(expr); | |
1793 | ||
03d670b6 | 1794 | if (cstring_containsLit(t, "maxSet") != NULL ) |
d46ce6a4 | 1795 | { |
1796 | cstring_free(t); | |
1797 | return (TRUE); | |
1798 | } | |
c3e695ff | 1799 | else |
d46ce6a4 | 1800 | { |
1801 | cstring_free(t); | |
1802 | return FALSE; | |
1803 | } | |
3aaedf88 | 1804 | } |
1805 | ||
1806 | ||
1807 | ||
1808 | /*returns 1 0 -1 like strcmp | |
1809 | 1 => expr1 > expr2 | |
1810 | 0 => expr1 == expr2 | |
1811 | -1 => expr1 < expr2 | |
1812 | */ | |
b9904f57 | 1813 | |
3aaedf88 | 1814 | int constraintExpr_compare (constraintExpr expr1, constraintExpr expr2) |
1815 | { | |
b9904f57 | 1816 | long value1, value2; |
3aaedf88 | 1817 | |
1818 | if (constraintExpr_similar (expr1, expr2) ) | |
1819 | { | |
1820 | return 0; | |
1821 | } | |
b9904f57 | 1822 | |
3aaedf88 | 1823 | value1 = constraintExpr_getValue(expr1); |
1824 | value2 = constraintExpr_getValue(expr2); | |
1825 | ||
1826 | if (value1 > value2) | |
1827 | return 1; | |
1828 | ||
1829 | if (value1 == value2) | |
1830 | return 0; | |
1831 | ||
1832 | else | |
1833 | return -1; | |
1834 | } | |
1835 | ||
b9904f57 | 1836 | long constraintExpr_getValue (constraintExpr expr) |
3aaedf88 | 1837 | { |
749f175a | 1838 | llassert (constraintExpr_isDefined(expr) ); |
3aaedf88 | 1839 | llassert (expr->kind == term); |
749f175a | 1840 | |
b9904f57 | 1841 | return (constraintTerm_getValue (constraintExprData_termGetTerm (expr->data))); |
3aaedf88 | 1842 | } |
1843 | ||
1844 | bool constraintExpr_canGetValue (constraintExpr expr) | |
1845 | { | |
749f175a | 1846 | llassert ( constraintExpr_isDefined (expr) ); |
1847 | if (constraintExpr_isUndefined (expr) ) | |
1848 | { | |
1849 | return FALSE; | |
1850 | } | |
1851 | ||
3aaedf88 | 1852 | switch (expr->kind) |
1853 | { | |
1854 | case term: | |
1855 | return constraintTerm_canGetValue (constraintExprData_termGetTerm (expr->data) ); | |
1856 | default: | |
1857 | return FALSE; | |
1858 | ||
1859 | } | |
c3e695ff | 1860 | |
1861 | BADEXIT; | |
3aaedf88 | 1862 | } |
1863 | ||
ae133592 | 1864 | fileloc constraintExpr_loc (constraintExpr expr) |
3aaedf88 | 1865 | { |
1866 | constraintExpr e; | |
1867 | constraintTerm t; | |
1868 | constraintExprKind kind; | |
1869 | ||
749f175a | 1870 | llassert ( constraintExpr_isDefined (expr) ); |
1871 | if (constraintExpr_isUndefined (expr) ) | |
1872 | { | |
1873 | return fileloc_undefined; | |
1874 | } | |
1875 | ||
1876 | ||
3aaedf88 | 1877 | kind = expr->kind; |
1878 | ||
1879 | switch (kind) | |
1880 | { | |
1881 | case term: | |
1882 | t = constraintExprData_termGetTerm (expr->data); | |
1883 | return (constraintTerm_getFileloc (t) ); | |
c3e695ff | 1884 | /*@notreached@*/ |
3aaedf88 | 1885 | break; |
1886 | case unaryExpr: | |
1887 | e = constraintExprData_unaryExprGetExpr (expr->data); | |
ae133592 | 1888 | return (constraintExpr_loc (e) ); |
c3e695ff | 1889 | /*@notreached@*/ |
3aaedf88 | 1890 | break; |
1891 | case binaryexpr: | |
1892 | e = constraintExprData_binaryExprGetExpr1 (expr->data); | |
ae133592 | 1893 | return (constraintExpr_loc (e) ); |
c3e695ff | 1894 | /*@notreached@*/ |
1895 | break; | |
3aaedf88 | 1896 | } |
1897 | llassert (FALSE); | |
3aaedf88 | 1898 | return (fileloc_undefined); |
1899 | } | |
1900 | ||
c3e695ff | 1901 | /*drl moved from constriantTerm.c 5/20/001*/ |
4ab867d6 | 1902 | static /*@only@*/ constraintExpr |
1903 | doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall) | |
c3e695ff | 1904 | { |
1905 | constraintTerm t; | |
1906 | sRef s; | |
749f175a | 1907 | constraintExprData data; |
1908 | constraintExprKind kind; | |
c3e695ff | 1909 | constraintExpr ret; |
2a6e9c30 | 1910 | |
1911 | llassert (constraintExpr_isDefined (e) ); | |
749f175a | 1912 | |
1913 | data = e->data; | |
1914 | kind = e->kind; | |
2a6e9c30 | 1915 | |
1916 | llassert (kind == term); | |
1917 | ||
c3e695ff | 1918 | t = constraintExprData_termGetTerm (data); |
2a6e9c30 | 1919 | llassert (constraintTerm_isDefined (t)); |
1920 | ||
c3e695ff | 1921 | ret = e; |
2a6e9c30 | 1922 | |
1923 | switch (constraintTerm_getKind (t)) | |
c3e695ff | 1924 | { |
9a48d98c | 1925 | case CTT_EXPR: |
1926 | case CTT_INTLITERAL: | |
c3e695ff | 1927 | break; |
1928 | ||
9a48d98c | 1929 | case CTT_SREF: |
a8e557d3 | 1930 | s = constraintTerm_getSRef(t); |
c3e695ff | 1931 | if (sRef_isResult (s)) |
1932 | { | |
1933 | ret = constraintExpr_makeExprNode(fcnCall); | |
4ab867d6 | 1934 | constraintExpr_free(e); |
1935 | e = NULL; | |
1936 | } | |
1937 | else | |
1938 | { | |
1939 | e = NULL; | |
c3e695ff | 1940 | } |
1941 | break; | |
1942 | default: | |
1943 | BADEXIT; | |
1944 | } | |
1945 | ||
1946 | return ret; | |
1947 | ||
1948 | } | |
2a6e9c30 | 1949 | |
1950 | #if 0 | |
1951 | ||
1952 | /*to be used for structure checking */ | |
1953 | ||
86d93ed3 | 1954 | / *@only@* / static constraintExpr |
1955 | doSRefFixInvarConstraintTerm (/ *@only@* / constraintExpr e, | |
1956 | sRef s, ctype ct) | |
1957 | { | |
1958 | constraintTerm t; | |
1959 | ||
1960 | constraintExprData data = e->data; | |
1961 | ||
1962 | constraintExprKind kind = e->kind; | |
1963 | ||
1964 | constraintExpr ret; | |
c3e695ff | 1965 | |
86d93ed3 | 1966 | llassert(kind == term); |
1967 | ||
1968 | t = constraintExprData_termGetTerm (data); | |
1969 | llassert (constraintTerm_isDefined(t) ); | |
1970 | ||
1971 | ret = e; | |
1972 | ||
1973 | DPRINTF (("Fixing: %s", constraintExpr_print (e))); | |
1974 | ||
1975 | switch (constraintTerm_getKind(t)) | |
1976 | { | |
9a48d98c | 1977 | case CTT_EXPR: |
1978 | DPRINTF((message ("%q @ %q ", constraintTerm_unparse(t), | |
86d93ed3 | 1979 | fileloc_unparse (constraintTerm_getFileloc(t) ) ) )); |
1980 | break; | |
9a48d98c | 1981 | case CTT_INTLITERAL: |
1982 | DPRINTF((message (" %q ", constraintTerm_unparse (t)) )); | |
86d93ed3 | 1983 | break; |
1984 | ||
9a48d98c | 1985 | case CTT_SREF: |
86d93ed3 | 1986 | / * evans 2001-07-24: constants should use the original term * / |
1987 | if (!constraintTerm_canGetValue (t)) | |
1988 | { | |
1989 | sRef snew; | |
1990 | DPRINTF ((message("Doing sRef_fixInvarConstraint for %q ", | |
9a48d98c | 1991 | constraintTerm_unparse (t) ) )); |
86d93ed3 | 1992 | |
1993 | snew = fixSref (ct, s, constraintTerm_getSRef(t)); | |
1994 | ||
1995 | ret = constraintExpr_makeTermsRef(snew); | |
1996 | ||
1997 | constraintExpr_free (e); | |
1998 | ||
1999 | DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ", | |
2000 | constraintExpr_print (ret) ) )); | |
2001 | / *@-branchstate@* / | |
2002 | } / *@=branchstate@* / | |
2003 | ||
2004 | break; | |
2005 | default: | |
2006 | BADEXIT; | |
2007 | } | |
2008 | ||
2009 | return ret; | |
2010 | ||
2011 | } | |
2a6e9c30 | 2012 | #endif |
86d93ed3 | 2013 | |
c3e695ff | 2014 | /*drl moved from constriantTerm.c 5/20/001*/ |
d46ce6a4 | 2015 | /*@only@*/ static constraintExpr |
4ab867d6 | 2016 | doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@observer@*/ /*@temp@*/ exprNodeList arglist) |
c3e695ff | 2017 | { |
2018 | constraintTerm t; | |
2019 | ||
749f175a | 2020 | constraintExprData data; |
c3e695ff | 2021 | |
749f175a | 2022 | constraintExprKind kind; |
c3e695ff | 2023 | |
2024 | constraintExpr ret; | |
2025 | ||
749f175a | 2026 | |
2027 | llassert(constraintExpr_isDefined (e) ); | |
2028 | ||
2029 | data = e->data; | |
2030 | ||
2031 | kind = e->kind; | |
2032 | ||
2033 | ||
2034 | ||
c3e695ff | 2035 | llassert(kind == term); |
2036 | ||
2037 | t = constraintExprData_termGetTerm (data); | |
28bf4b0b | 2038 | llassert (constraintTerm_isDefined(t) ); |
c3e695ff | 2039 | |
2040 | ret = e; | |
b9904f57 | 2041 | |
2042 | DPRINTF (("Fixing: %s", constraintExpr_print (e))); | |
2043 | ||
2044 | switch (constraintTerm_getKind(t)) | |
c3e695ff | 2045 | { |
9a48d98c | 2046 | case CTT_EXPR: |
2047 | DPRINTF((message ("%q @ %q ", constraintTerm_unparse(t), | |
bb25bea6 | 2048 | fileloc_unparse (constraintTerm_getFileloc(t) ) ) )); |
c3e695ff | 2049 | break; |
9a48d98c | 2050 | case CTT_INTLITERAL: |
2051 | DPRINTF((message (" %q ", constraintTerm_unparse (t)) )); | |
d46ce6a4 | 2052 | break; |
9a48d98c | 2053 | case CTT_SREF: |
b9904f57 | 2054 | /* evans 2001-07-24: constants should use the original term */ |
2055 | if (!constraintTerm_canGetValue (t)) | |
2056 | { | |
2057 | DPRINTF ((message("Doing sRef_fixConstraintParam for %q ", | |
9a48d98c | 2058 | constraintTerm_unparse (t) ) )); |
b9904f57 | 2059 | ret = sRef_fixConstraintParam (constraintTerm_getSRef(t), arglist); |
2060 | ||
2061 | constraintExpr_free (e); | |
2062 | ||
2063 | DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ", | |
2064 | constraintExpr_print (ret) ) )); | |
2065 | /*@-branchstate@*/ | |
2066 | } /*@=branchstate@*/ | |
d46ce6a4 | 2067 | |
c3e695ff | 2068 | break; |
2069 | default: | |
2070 | BADEXIT; | |
2071 | } | |
b9904f57 | 2072 | |
c3e695ff | 2073 | return ret; |
2074 | ||
2075 | } | |
3aaedf88 | 2076 | |
2077 | ||
749f175a | 2078 | #if 0 |
2079 | bool constraintExpr_includesTerm (constraintExpr expr, constraintTerm term) | |
2080 | { | |
2081 | if (constraintTerm_hasTerm (expr->term, term) ) | |
2082 | return TRUE; | |
3aaedf88 | 2083 | |
749f175a | 2084 | if ((expr->expr) != NULL) |
2085 | { | |
2086 | return ( constraintExpr_includesTerm (expr->expr, term) ); | |
2087 | } | |
2088 | return FALSE; | |
3aaedf88 | 2089 | |
749f175a | 2090 | } |
2091 | #endif | |
3aaedf88 | 2092 | |
bb25bea6 | 2093 | /*drl added 6/11/01 */ |
2094 | bool constraintExpr_isBinaryExpr (/*@observer@*/ constraintExpr c) | |
2095 | { | |
749f175a | 2096 | |
2097 | llassert(constraintExpr_isDefined (c) ); | |
2098 | ||
2099 | if ( ! (constraintExpr_isDefined (c) ) ) | |
2100 | return FALSE; | |
2101 | ||
bb25bea6 | 2102 | if (c->kind == binaryexpr) |
2103 | return TRUE; | |
3aaedf88 | 2104 | |
bb25bea6 | 2105 | else |
2106 | return FALSE; | |
2107 | } | |
3aaedf88 | 2108 | |
a779b61e | 2109 | /*drl added 8/08/001 */ |
2110 | bool constraintExpr_isTerm (/*@observer@*/ constraintExpr c) /*@*/ | |
2111 | { | |
0ec8d634 | 2112 | llassert(constraintExpr_isDefined (c) ); |
2113 | ||
a779b61e | 2114 | if (c->kind == term) |
2115 | return TRUE; | |
2116 | ||
2117 | else | |
2118 | return FALSE; | |
2119 | } | |
2120 | ||
2121 | /*@observer@*/ /*@temp@*/ constraintTerm constraintExpr_getTerm ( /*@temp@*/ /*@observer@*/ constraintExpr c) /*@*/ | |
2122 | { | |
2123 | constraintTerm term; | |
2124 | ||
0ec8d634 | 2125 | llassert(constraintExpr_isDefined (c) ); |
2126 | ||
a779b61e | 2127 | llassert(constraintExpr_isTerm(c) ); |
2128 | ||
2129 | term = constraintExprData_termGetTerm(c->data); | |
2130 | ||
2131 | return term; | |
2132 | } | |
2133 | ||
920a3797 | 2134 | static void binaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) |
2135 | { | |
2136 | constraintExpr expr1; | |
2137 | constraintExprBinaryOpKind binaryOp; | |
2138 | constraintExpr expr2; | |
2139 | ||
2140 | ||
2141 | binaryOp = constraintExprData_binaryExprGetOp (data); | |
2142 | ||
2143 | fprintf(f, "%d\n", (int) binaryOp); | |
2144 | ||
2145 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
2146 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
2147 | ||
2148 | fprintf(f, "e1\n"); | |
2149 | ||
2150 | constraintExpr_dump(expr1, f); | |
2151 | ||
2152 | fprintf(f, "e2\n"); | |
2153 | constraintExpr_dump(expr2, f); | |
2154 | } | |
2155 | ||
2156 | ||
2157 | static constraintExpr binaryExpr_undump (FILE *f) | |
2158 | { | |
2159 | constraintExpr expr1; | |
2160 | constraintExprBinaryOpKind binaryOp; | |
2161 | constraintExpr expr2; | |
2162 | ||
2163 | constraintExpr ret; | |
2164 | ||
2165 | ||
2166 | ||
2167 | char * str; | |
2168 | char * os; | |
2169 | ||
3be9a165 | 2170 | os = mstring_create (MAX_DUMP_LINE_LENGTH); |
2171 | ||
920a3797 | 2172 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); |
2173 | ||
0ec8d634 | 2174 | if (! mstring_isDefined(str) ) |
2175 | { | |
2176 | llfatalbug(message("Library file is corrupted") ); | |
2177 | } | |
920a3797 | 2178 | |
28bf4b0b | 2179 | binaryOp = (constraintExprBinaryOpKind) reader_getInt(&str); |
920a3797 | 2180 | |
2181 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2182 | ||
0ec8d634 | 2183 | if (! mstring_isDefined(str) ) |
2184 | { | |
2185 | llfatalbug(message("Library file is corrupted") ); | |
2186 | } | |
2187 | ||
28bf4b0b | 2188 | reader_checkChar (&str, 'e'); |
2189 | reader_checkChar (&str, '1'); | |
920a3797 | 2190 | |
2191 | expr1 = constraintExpr_undump (f); | |
2192 | ||
2193 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2194 | ||
28bf4b0b | 2195 | reader_checkChar (&str, 'e'); |
2196 | reader_checkChar (&str, '2'); | |
920a3797 | 2197 | |
2198 | expr2 = constraintExpr_undump (f); | |
2199 | ||
2200 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
2201 | ret->data = constraintExprData_binaryExprSetOp(ret->data, binaryOp); | |
2202 | ||
2203 | free(os); | |
2204 | return ret; | |
2205 | } | |
2206 | ||
2207 | ||
2208 | ||
2209 | static void unaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) | |
2210 | { | |
2211 | ||
2212 | constraintExpr expr; | |
2213 | constraintExprUnaryOpKind unaryOp; | |
2214 | ||
2215 | unaryOp = constraintExprData_unaryExprGetOp (data); | |
2216 | ||
2217 | fprintf(f, "%d\n", (int) unaryOp); | |
2218 | ||
2219 | expr = constraintExprData_unaryExprGetExpr (data); | |
2220 | ||
2221 | constraintExpr_dump(expr, f); | |
2222 | } | |
2223 | ||
2224 | static constraintExpr unaryExpr_undump ( FILE *f) | |
2225 | { | |
2226 | ||
2227 | constraintExpr expr; | |
2228 | constraintExprUnaryOpKind unaryOp; | |
2229 | constraintExpr ret; | |
2230 | ||
2231 | char * str; | |
2232 | char * os; | |
2233 | ||
2234 | str = mstring_create (MAX_DUMP_LINE_LENGTH); | |
2235 | os = str; | |
2236 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2237 | ||
0ec8d634 | 2238 | if (! mstring_isDefined(str) ) |
2239 | { | |
2240 | llfatalbug(message("Library file is corrupted") ); | |
2241 | } | |
2242 | ||
28bf4b0b | 2243 | unaryOp = (constraintExprUnaryOpKind) reader_getInt(&str); |
920a3797 | 2244 | |
2245 | expr = constraintExpr_undump (f); | |
2246 | ||
2247 | ret = constraintExpr_makeUnaryOp (expr, unaryOp); | |
2248 | ||
2249 | free(os); | |
2250 | ||
2251 | return ret; | |
2252 | } | |
2253 | ||
2254 | void constraintExpr_dump (/*@observer@*/ constraintExpr expr, FILE *f) | |
2255 | { | |
2256 | constraintExprKind kind; | |
2257 | constraintTerm t; | |
2258 | ||
0f9b7373 | 2259 | |
0ec8d634 | 2260 | llassert(constraintExpr_isDefined(expr) ); |
2261 | ||
0f9b7373 | 2262 | DPRINTF((message("constraintExpr_dump:: dumping constraintExpr %s", |
2263 | constraintExpr_unparse(expr) | |
2264 | ) )); | |
920a3797 | 2265 | |
2266 | kind = expr->kind; | |
2267 | ||
2268 | fprintf(f,"%d\n", (int) kind); | |
2269 | ||
2270 | switch (kind) | |
2271 | { | |
2272 | case term: | |
2273 | t = constraintExprData_termGetTerm (expr->data); | |
2274 | constraintTerm_dump (t, f); | |
2275 | break; | |
2276 | case unaryExpr: | |
2277 | unaryExpr_dump (expr->data, f); | |
2278 | break; | |
2279 | case binaryexpr: | |
2280 | binaryExpr_dump (expr->data, f); | |
2281 | break; | |
2282 | } | |
2283 | } | |
2284 | ||
2285 | /*@only@*/ constraintExpr constraintExpr_undump (FILE *f) | |
2286 | { | |
2287 | constraintExprKind kind; | |
2288 | constraintTerm t; | |
2289 | constraintExpr ret; | |
2290 | ||
2291 | char * s; | |
2292 | char * os; | |
2293 | ||
2294 | s = mstring_create (MAX_DUMP_LINE_LENGTH); | |
2295 | ||
2296 | os = s; | |
2297 | ||
2298 | s = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
2299 | ||
0ec8d634 | 2300 | if (! mstring_isDefined(s) ) |
2301 | { | |
2302 | llfatalbug(message("Library file is corrupted") ); | |
2303 | } | |
2304 | ||
28bf4b0b | 2305 | kind = (constraintExprKind) reader_getInt(&s); |
920a3797 | 2306 | |
2307 | free (os); | |
2308 | ||
2309 | switch (kind) | |
2310 | { | |
2311 | case term: | |
2312 | t = constraintTerm_undump (f); | |
2313 | ret = constraintExpr_makeTerm(t); | |
2314 | break; | |
2315 | case unaryExpr: | |
2316 | ret = unaryExpr_undump (f); | |
2317 | break; | |
2318 | case binaryexpr: | |
2319 | ret = binaryExpr_undump (f); | |
2320 | break; | |
2321 | } | |
2322 | ||
2323 | return ret; | |
2324 | ||
2325 | } | |
a779b61e | 2326 | |
2327 | int constraintExpr_getDepth (constraintExpr ex) | |
2328 | { | |
2329 | int ret; | |
2330 | ||
2331 | constraintExprKind kind; | |
2332 | ||
2333 | llassert (ex != NULL); | |
2334 | ||
2335 | kind = ex->kind; | |
2336 | ||
2337 | switch (kind) | |
2338 | { | |
2339 | case term: | |
2340 | ret = 1; | |
2341 | break; | |
2342 | case unaryExpr: | |
2343 | ret = constraintExpr_getDepth (constraintExprData_unaryExprGetExpr (ex->data) ); | |
2344 | ret++; | |
2345 | ||
2346 | break; | |
2347 | case binaryexpr: | |
2348 | ret = 0; | |
2349 | ret = constraintExpr_getDepth (constraintExprData_binaryExprGetExpr1 (ex->data) ); | |
2350 | ||
2351 | ret++; | |
2352 | ||
2353 | ret += constraintExpr_getDepth (constraintExprData_binaryExprGetExpr2 (ex->data) ); | |
2354 | ||
2355 | break; | |
2356 | default: | |
2357 | BADEXIT; | |
2358 | } | |
2359 | ||
2360 | return ret; | |
2361 | } | |
2362 | ||
2363 | ||
ae133592 | 2364 | bool constraintExpr_canGetCType (constraintExpr e) /*@*/ |
86d93ed3 | 2365 | { |
ae133592 | 2366 | if (constraintExpr_isUndefined(e)) |
0ec8d634 | 2367 | return FALSE; |
2368 | ||
86d93ed3 | 2369 | if (e->kind == term) |
2370 | { | |
2371 | return TRUE; | |
2372 | } | |
2373 | else | |
2374 | { | |
ae133592 | 2375 | DPRINTF (("constraintExpr_canGetCType: can't get type for %s", constraintExpr_unparse (e))); |
86d93ed3 | 2376 | return FALSE; |
2377 | } | |
2378 | } | |
2379 | ||
2380 | ctype constraintExpr_getCType (constraintExpr e) /*@*/ | |
2381 | { | |
2382 | constraintTerm t; | |
0ec8d634 | 2383 | |
ae133592 | 2384 | llassert (constraintExpr_isDefined (e)); |
2385 | llassert (constraintExpr_canGetCType (e)); | |
86d93ed3 | 2386 | |
2387 | switch (e->kind) | |
2388 | { | |
2389 | case term: | |
2390 | t = constraintExprData_termGetTerm (e->data); | |
2391 | return (constraintTerm_getCType(t) ); | |
2392 | /* assume that a unary expression will be an int ... */ | |
2393 | case unaryExpr: | |
ae133592 | 2394 | return ctype_unknown; /* was ctype_signedintegral; */ |
86d93ed3 | 2395 | /* drl for just return type of first operand */ |
2396 | case binaryexpr: | |
ae133592 | 2397 | return (constraintExpr_getCType (constraintExprData_binaryExprGetExpr1 (e->data))); |
86d93ed3 | 2398 | default: |
2399 | BADEXIT; | |
2400 | } | |
2401 | BADEXIT; | |
2402 | } | |
2403 | ||
2404 | /* drl add 10-5-001 */ | |
2405 | ||
ae133592 | 2406 | static bool constraintExpr_hasTypeChange (constraintExpr e) |
86d93ed3 | 2407 | { |
ae133592 | 2408 | llassert(constraintExpr_isDefined(e)); |
2409 | ||
2410 | if (constraintExpr_isDefined((e)) && (e->ct == TRUE)) | |
86d93ed3 | 2411 | { |
2412 | return TRUE; | |
2413 | } | |
2414 | ||
2415 | if (e->kind == unaryExpr) | |
2416 | { | |
2417 | if (constraintExprData_unaryExprGetOp (e->data) == MAXSET) | |
2418 | { | |
ae133592 | 2419 | constraintExpr ce = constraintExprData_unaryExprGetExpr(e->data); |
2420 | DPRINTF (("Unary type change: [%x] %s", ce, constraintExpr_unparse (ce))); | |
2421 | DPRINTF (("Types: %s / %s", ctype_unparse (constraintExpr_getCType (ce)), | |
2422 | ctype_unparse (constraintExpr_getOrigType (ce)))); | |
2423 | return (constraintExpr_hasTypeChange(ce)); | |
86d93ed3 | 2424 | } |
86d93ed3 | 2425 | } |
ae133592 | 2426 | |
86d93ed3 | 2427 | return FALSE; |
2428 | } | |
2429 | ||
2430 | /* drl add 10-5-001 */ | |
2431 | ||
2432 | static ctype constraintExpr_getOrigType (constraintExpr e) | |
2433 | { | |
ae133592 | 2434 | llassert (constraintExpr_isDefined (e)); |
2435 | llassert (constraintExpr_hasTypeChange (e)); | |
86d93ed3 | 2436 | |
2437 | if (e->ct == TRUE) | |
2438 | { | |
2439 | return e->origType; | |
2440 | } | |
2441 | ||
2442 | if (e->kind == unaryExpr) | |
2443 | { | |
2444 | if (constraintExprData_unaryExprGetOp (e->data) == MAXSET) | |
2445 | { | |
ae133592 | 2446 | constraintExpr ce = constraintExprData_unaryExprGetExpr (e->data); |
2447 | return (constraintExpr_getOrigType(ce)); | |
86d93ed3 | 2448 | } |
2449 | ||
2450 | } | |
2451 | ||
2452 | BADEXIT; | |
2453 | } | |
2454 | ||
2455 | /*drl added these around 10/18/001*/ | |
2456 | ||
ae133592 | 2457 | static /*@only@*/ constraintExpr constraintExpr_div (/*@only@*/ constraintExpr e, ctype tfrom, ctype tto, fileloc loc) |
86d93ed3 | 2458 | { |
ae133592 | 2459 | int sizefrom = ctype_getSize (tfrom); |
2460 | int sizeto = ctype_getSize (tto); | |
2461 | ||
2462 | DPRINTF (("constraintExpr_div: %s", constraintExpr_unparse (e))); | |
2463 | DPRINTF (("Types: %s / %s", | |
2464 | ctype_unparse (tfrom), | |
2465 | ctype_unparse (tto))); | |
2466 | ||
2467 | if (sizefrom == -1) { | |
2468 | llbug (message ("constraintExpr_div: type size unknown: %s", ctype_unparse (tfrom))); | |
2469 | } | |
2470 | ||
2471 | if (sizeto == -1) { | |
2472 | llbug (message ("constraintExpr_div: type size unknown: %s", ctype_unparse (tto))); | |
2473 | } | |
2474 | ||
2475 | if (sizeto == sizefrom) | |
2476 | { | |
2477 | ; /* Sizes match, a-ok */ | |
2478 | } | |
2479 | else | |
2480 | { | |
2481 | float scale = (float) sizefrom / (float) sizeto; | |
2482 | constraintTerm ct; | |
2483 | long val; | |
2484 | float fnewval; | |
2485 | long newval; | |
2486 | ||
2487 | llassert (e->kind == term); | |
2488 | ct = constraintExprData_termGetTerm (e->data); | |
2489 | llassert (constraintTerm_canGetValue (ct)); | |
2490 | val = constraintTerm_getValue (ct); | |
2491 | ||
2492 | DPRINTF (("Scaling constraints by: %ld * %f", val, scale)); | |
2493 | ||
2494 | // If scale * val is not an integer, give a warning | |
2495 | fnewval = val * scale; | |
2496 | newval = (long) fnewval; | |
2497 | ||
2498 | DPRINTF (("Values: %f / %ld", fnewval, newval)); | |
2499 | if ((fnewval - (float) newval) > FLT_EPSILON) | |
2500 | { | |
2501 | voptgenerror (FLG_ALLOCMISMATCH, | |
2502 | message ("Allocated memory is converted to type %s of (size %d), " | |
2503 | "which is not divisible into original allocation of space for %d elements of type %s (size %d)", | |
2504 | ctype_unparse (tto), sizeto, | |
2505 | val, ctype_unparse (tfrom), sizefrom), | |
2506 | loc); | |
2507 | } | |
2508 | ||
2509 | constraintTerm_setValue (ct, newval); | |
2510 | } | |
2511 | ||
2512 | DPRINTF (("After div: %s", constraintExpr_unparse (e))); | |
86d93ed3 | 2513 | return e; |
2514 | } | |
2515 | ||
0ec8d634 | 2516 | |
2517 | /*@access exprNode@*/ | |
ae133592 | 2518 | static /*@only@*/ constraintExpr constraintTerm_simpleDivTypeExprNode (/*@only@*/ constraintExpr e, ctype tfrom, ctype tto, fileloc loc) |
86d93ed3 | 2519 | { |
2520 | exprData data; | |
2521 | exprNode t1, t2, expr; | |
2522 | lltok tok; | |
2523 | constraintTerm t; | |
2524 | ||
ae133592 | 2525 | llassert (constraintExpr_isDefined(e) ); |
0ec8d634 | 2526 | |
ae133592 | 2527 | DPRINTF (("constraintTerm_simpleDivTypeExprNode e=%s [%s => %s]", constraintExpr_print(e), |
2528 | ctype_unparse(tfrom), ctype_unparse (tto))); | |
86d93ed3 | 2529 | |
ae133592 | 2530 | t = constraintExprData_termGetTerm (e->data); |
86d93ed3 | 2531 | |
ae133592 | 2532 | expr = constraintTerm_getExprNode (t); |
0ec8d634 | 2533 | |
ae133592 | 2534 | llassert (constraintExpr_isDefined(e)); |
2535 | llassert (exprNode_isDefined(expr)); | |
86d93ed3 | 2536 | |
2537 | if (expr->kind == XPR_OP) | |
2538 | { | |
2539 | data = expr->edata; | |
2540 | ||
2541 | t1 = exprData_getOpA (data); | |
2542 | t2 = exprData_getOpB (data); | |
2543 | tok = exprData_getOpTok (data); | |
ae133592 | 2544 | |
2545 | if (lltok_isMult (tok)) | |
86d93ed3 | 2546 | { |
ae133592 | 2547 | llassert (exprNode_isDefined(t1) && exprNode_isDefined(t2) ); |
0ec8d634 | 2548 | /*drl 3/2/2003 we know this from the fact that it's a |
2549 | multiplication operation...*/ | |
86d93ed3 | 2550 | |
ae133592 | 2551 | if ((t1->kind == XPR_SIZEOF) || (t1->kind == XPR_SIZEOFT)) |
86d93ed3 | 2552 | { |
2553 | ctype ct2; | |
2554 | ||
2555 | if (t1->kind == XPR_SIZEOFT) | |
2556 | { | |
2557 | ct2 = qtype_getType (exprData_getType (t1->edata)); | |
2558 | } | |
2559 | else | |
2560 | { | |
ae133592 | 2561 | exprNode tempE = exprData_getSingle (t1->edata); |
2562 | ct2 = exprNode_getType (tempE); | |
86d93ed3 | 2563 | } |
ae133592 | 2564 | |
2565 | if (ctype_match (ctype_makePointer(ct2), tfrom)) //! | |
86d93ed3 | 2566 | { |
2567 | /* this is a bit sloopy but ... */ | |
ae133592 | 2568 | constraintExpr_free(e); |
2569 | return constraintExpr_makeExprNode (t2); | |
2570 | } | |
2571 | else | |
2572 | { | |
2573 | /* nothing was here */ | |
2574 | DPRINTF (("MISMATCHING TYPES!")); | |
86d93ed3 | 2575 | } |
2576 | } | |
ae133592 | 2577 | else if ((t2->kind == XPR_SIZEOF) || (t2->kind == XPR_SIZEOFT)) |
86d93ed3 | 2578 | { |
2579 | ctype ct2; | |
2580 | ||
2581 | if (t2->kind == XPR_SIZEOFT) | |
2582 | { | |
2583 | ct2 = qtype_getType (exprData_getType (t2->edata)); | |
2584 | } | |
2585 | else | |
2586 | { | |
0ec8d634 | 2587 | exprNode exprTemp; |
2588 | exprData eDTemp; | |
2589 | ||
2590 | exprTemp = exprData_getSingle (t2->edata); | |
2591 | ||
ae133592 | 2592 | llassert (exprNode_isDefined (exprTemp)); |
0ec8d634 | 2593 | eDTemp = exprTemp->edata; |
2594 | ||
ae133592 | 2595 | ct2 = qtype_getType (exprData_getType(eDTemp )); |
0ec8d634 | 2596 | |
86d93ed3 | 2597 | } |
ae133592 | 2598 | |
2599 | if (ctype_match (ctype_makePointer (ct2), tfrom)) | |
86d93ed3 | 2600 | { |
c757ee29 | 2601 | /*a bit of a sloopy way to do this but... */ |
ae133592 | 2602 | constraintExpr_free(e); |
2603 | return constraintExpr_makeExprNode (t1); | |
86d93ed3 | 2604 | } |
2605 | } | |
2606 | else | |
2607 | { | |
ae133592 | 2608 | DPRINTF (("NOT A SIZEOF!")); |
86d93ed3 | 2609 | /*empty*/ |
2610 | } | |
2611 | ||
2612 | } | |
2613 | } | |
ae133592 | 2614 | |
2615 | return (constraintExpr_div (e, tfrom, tto, loc)); | |
86d93ed3 | 2616 | } |
0ec8d634 | 2617 | /*@noaccess exprNode@*/ |
86d93ed3 | 2618 | |
ae133592 | 2619 | static /*@only@*/ constraintExpr simpleDivType (/*@only@*/ constraintExpr e, ctype tfrom, ctype tto, fileloc loc) |
86d93ed3 | 2620 | { |
ae133592 | 2621 | DPRINTF (("simpleDiv got %s", constraintExpr_unparse(e))); |
2622 | DPRINTF (("Types: %s / %s", | |
2623 | ctype_unparse (tfrom), | |
2624 | ctype_unparse (tto))); | |
86d93ed3 | 2625 | |
ae133592 | 2626 | llassert (constraintExpr_isDefined(e)); |
0ec8d634 | 2627 | |
86d93ed3 | 2628 | switch (e->kind) |
2629 | { | |
2630 | case term: | |
86d93ed3 | 2631 | { |
ae133592 | 2632 | constraintTerm t = constraintExprData_termGetTerm (e->data); |
86d93ed3 | 2633 | |
ae133592 | 2634 | DPRINTF (("Term: %s", constraintTerm_unparse (t))); |
86d93ed3 | 2635 | |
ae133592 | 2636 | if (constraintTerm_isExprNode (t)) |
2637 | { | |
2638 | return constraintTerm_simpleDivTypeExprNode (e, tfrom, tto, loc); | |
2639 | ||
2640 | /* search for * size of ct and remove */ | |
2641 | } | |
2642 | DPRINTF (("Here: %s / %s -> %s", constraintExpr_unparse (e), ctype_unparse (tfrom), ctype_unparse (tto))); | |
2643 | return constraintExpr_div (e, tfrom, tto, loc); | |
86d93ed3 | 2644 | } |
2645 | ||
2646 | case binaryexpr: | |
2647 | { | |
2648 | constraintExpr temp; | |
2649 | ||
2650 | temp = constraintExprData_binaryExprGetExpr1 (e->data); | |
2651 | temp = constraintExpr_copy(temp); | |
ae133592 | 2652 | temp = simpleDivType (temp, tfrom, tto, loc); |
86d93ed3 | 2653 | |
2654 | e->data = constraintExprData_binaryExprSetExpr1 (e->data, temp); | |
2655 | ||
2656 | temp = constraintExprData_binaryExprGetExpr2 (e->data); | |
2657 | temp = constraintExpr_copy(temp); | |
ae133592 | 2658 | temp = simpleDivType (temp, tfrom, tto, loc); |
86d93ed3 | 2659 | e->data = constraintExprData_binaryExprSetExpr2 (e->data, temp); |
2660 | ||
ae133592 | 2661 | DPRINTF (("simpleDiv binaryexpr returning %s ", constraintExpr_unparse(e))); |
86d93ed3 | 2662 | return e; |
2663 | } | |
2664 | case unaryExpr: | |
ae133592 | 2665 | { |
2666 | return constraintExpr_div (e, tfrom, tto, loc); | |
2667 | } | |
86d93ed3 | 2668 | |
2669 | default: | |
2670 | BADEXIT; | |
2671 | } | |
2672 | } | |
2673 | ||
ae133592 | 2674 | static /*@only@*/ constraintExpr constraintExpr_adjustMaxSetForCast (/*@only@*/ constraintExpr e, ctype tfrom, |
2675 | ctype tto, fileloc loc) | |
86d93ed3 | 2676 | { |
ae133592 | 2677 | DPRINTF (("constraintExpr_adjustMaxSetForCast got %s [%s => %s]", constraintExpr_unparse(e), |
2678 | ctype_unparse (tfrom), ctype_unparse (tto))); | |
86d93ed3 | 2679 | |
ae133592 | 2680 | e = constraintExpr_makeIncConstraintExpr (e); |
2681 | e = constraintExpr_simplify (e); | |
2682 | e = simpleDivType (e, tfrom, tto, loc); | |
2683 | e = constraintExpr_makeDecConstraintExpr (e); | |
2684 | e = constraintExpr_simplify (e); | |
86d93ed3 | 2685 | |
ae133592 | 2686 | DPRINTF (("constraintExpr_adjustMaxSetForCast returning %s ", constraintExpr_unparse(e))); |
86d93ed3 | 2687 | return e; |
2688 | } | |
2689 | ||
fba0ed37 | 2690 | |
ae133592 | 2691 | bool constraintExpr_isConstantOnly (constraintExpr e) |
fba0ed37 | 2692 | { |
ae133592 | 2693 | DPRINTF (("constraintExpr_isConstantOnly %s ", constraintExpr_unparse(e))); |
2694 | llassert (constraintExpr_isDefined(e)); | |
0ec8d634 | 2695 | |
fba0ed37 | 2696 | switch (e->kind) |
2697 | { | |
2698 | case term: | |
2699 | { | |
ae133592 | 2700 | constraintTerm t = constraintExprData_termGetTerm(e->data); |
fba0ed37 | 2701 | |
ae133592 | 2702 | if (constraintTerm_isConstantOnly (t)) |
fba0ed37 | 2703 | { |
2704 | return TRUE; | |
2705 | } | |
2706 | else | |
2707 | { | |
2708 | return FALSE; | |
2709 | } | |
2710 | } | |
2711 | ||
2712 | case binaryexpr: | |
2713 | { | |
ae133592 | 2714 | constraintExpr temp1 = constraintExprData_binaryExprGetExpr1 (e->data); |
2715 | constraintExpr temp2 = constraintExprData_binaryExprGetExpr2 (e->data); | |
fba0ed37 | 2716 | |
2717 | if (constraintExpr_isConstantOnly(temp1) && | |
2718 | constraintExpr_isConstantOnly(temp2) ) | |
2719 | { | |
2720 | return TRUE; | |
2721 | } | |
2722 | else | |
2723 | { | |
2724 | return FALSE; | |
2725 | } | |
2726 | } | |
2727 | ||
2728 | case unaryExpr: | |
2729 | { | |
2730 | constraintExpr temp; | |
2731 | ||
2732 | temp = constraintExprData_unaryExprGetExpr (e->data ); | |
2733 | ||
2734 | if (constraintExpr_isConstantOnly(temp) ) | |
2735 | { | |
2736 | return TRUE; | |
2737 | } | |
2738 | else | |
2739 | { | |
2740 | return FALSE; | |
2741 | } | |
2742 | } | |
2743 | default: | |
2744 | BADEXIT; | |
2745 | } | |
2746 | } | |
2747 |