]>
Commit | Line | Data |
---|---|---|
3aaedf88 | 1 | /* |
2 | ** constraintExpr.c | |
3 | */ | |
4 | ||
5 | //#define DEBUGPRINT 1 | |
6 | ||
7 | # include "lclintMacros.nf" | |
8 | # include "basic.h" | |
9 | # include "cgrammar.h" | |
10 | # include "cgrammar_tokens.h" | |
11 | ||
12 | # include "exprChecks.h" | |
3aaedf88 | 13 | # include "exprNodeSList.h" |
14 | ||
920a3797 | 15 | //# include "constraintExpr.h" |
3aaedf88 | 16 | |
17 | ||
18 | /*@-czechfcns@*/ | |
19 | ||
3aaedf88 | 20 | |
21 | ||
28bf4b0b | 22 | /*@access exprNode constraintExpr@*/ |
3aaedf88 | 23 | |
920a3797 | 24 | |
28bf4b0b | 25 | static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/constraintExpr p_expr, int p_literal); |
bb25bea6 | 26 | |
920a3797 | 27 | |
d46ce6a4 | 28 | /*@only@*/ static constraintExpr |
28bf4b0b | 29 | doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr p_e, /*@temp@*/ /*@observer@*/ exprNodeList p_arglist) /*@modifies p_e@*/; |
c3e695ff | 30 | |
4ab867d6 | 31 | static /*@only@*/ constraintExpr |
28bf4b0b | 32 | doFixResultTerm (/*@only@*/ constraintExpr p_e, /*@exposed@*/ exprNode p_fcnCall) |
33 | /*@modifies p_e@*/; | |
c3e695ff | 34 | |
d46ce6a4 | 35 | |
28bf4b0b | 36 | /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) ; /// @allocates result->data @ @sets result->kind @; |
c3e695ff | 37 | |
38 | //constraintExpr constraintExpr_makeMaxSetConstraintExpr (constraintExpr c); | |
3aaedf88 | 39 | |
d46ce6a4 | 40 | void constraintExpr_free (/*@only@*/ constraintExpr expr) |
41 | { | |
42 | if (constraintExpr_isDefined(expr) ) | |
43 | { | |
44 | switch (expr->kind) | |
45 | { | |
46 | case unaryExpr: | |
47 | constraintExprData_freeUnaryExpr(expr->data); | |
48 | break; | |
49 | case binaryexpr: | |
50 | constraintExprData_freeBinaryExpr(expr->data); | |
51 | break; | |
52 | case term: | |
53 | constraintExprData_freeTerm(expr->data); | |
54 | break; | |
55 | default: | |
56 | BADEXIT; | |
57 | } | |
bb25bea6 | 58 | |
59 | expr->data = NULL; | |
d46ce6a4 | 60 | free (expr); |
61 | } | |
62 | else | |
63 | { | |
64 | llcontbug(message("attempted to free null pointer in constraintExpr_free")); | |
65 | } | |
66 | } | |
67 | ||
3aaedf88 | 68 | bool constraintExpr_isLit (constraintExpr expr) |
69 | { | |
dc92450f | 70 | llassert (expr != NULL); |
3aaedf88 | 71 | |
72 | if (expr->kind == term) | |
73 | { | |
74 | constraintTerm term = constraintExprData_termGetTerm (expr->data); | |
75 | if (constraintTerm_isIntLiteral (term) ) | |
76 | { | |
77 | return TRUE; | |
78 | } | |
79 | ||
80 | } | |
81 | return FALSE; | |
82 | } | |
83 | ||
7c9c4a67 | 84 | static bool isZeroBinaryOp (constraintExpr expr) |
85 | { | |
86 | constraintExpr e2; | |
87 | ||
7272a1c1 | 88 | llassert (expr != NULL); /* evans 2001-07-18 */ |
89 | ||
7c9c4a67 | 90 | if (!constraintExpr_isBinaryExpr (expr) ) |
91 | { | |
92 | return FALSE; | |
93 | } | |
94 | ||
95 | ||
96 | e2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
97 | ||
7272a1c1 | 98 | llassert (e2 != NULL); /* evans 2001-07-18 */ |
99 | ||
7c9c4a67 | 100 | if (constraintExpr_isBinaryExpr (e2) ) |
101 | { | |
102 | constraintExpr e1; | |
103 | constraintExprBinaryOpKind op; | |
104 | ||
105 | op = constraintExprData_binaryExprGetOp (e2->data); | |
106 | ||
107 | e1 = constraintExprData_binaryExprGetExpr1(e2->data); | |
108 | ||
109 | if (constraintExpr_isLit(e1) ) | |
110 | { | |
111 | if (constraintExpr_getValue(e1) == 0 ) | |
112 | { | |
113 | return TRUE; | |
114 | } | |
115 | } | |
116 | } | |
117 | return FALSE; | |
118 | } | |
119 | ||
120 | /* change expr + (o - expr) to (expr -expr) */ | |
121 | ||
122 | /*@only@*/ static constraintExpr removeZero (/*@only@*/ /*@returned@*/ constraintExpr expr) | |
123 | { | |
124 | constraintExpr expr1, expr2; | |
125 | ||
126 | constraintExpr temp; | |
127 | ||
128 | constraintExprBinaryOpKind op; | |
129 | ||
130 | constraintExprBinaryOpKind tempOp; | |
131 | ||
132 | if (!isZeroBinaryOp(expr) ) | |
133 | return expr; | |
134 | ||
7272a1c1 | 135 | llassert (expr != NULL); /* evans 2001-07-18 */ |
7c9c4a67 | 136 | |
137 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
138 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
139 | op = constraintExprData_binaryExprGetOp(expr->data); | |
140 | ||
7272a1c1 | 141 | llassert( constraintExpr_isBinaryExpr(expr2) ); |
142 | ||
7c9c4a67 | 143 | temp = constraintExprData_binaryExprGetExpr2 (expr2->data); |
144 | temp = constraintExpr_copy (temp); | |
145 | ||
146 | tempOp = constraintExprData_binaryExprGetOp (expr2->data); | |
147 | ||
148 | if (op == PLUS) | |
149 | op = tempOp; | |
150 | else if (op == MINUS) | |
151 | { | |
152 | if (tempOp == PLUS) | |
153 | op = MINUS; | |
154 | else if (tempOp == MINUS) | |
155 | op = PLUS; | |
156 | else | |
157 | BADEXIT; | |
158 | } | |
159 | else | |
160 | BADEXIT; | |
161 | ||
b072092f | 162 | /*@i834@*/ constraintExpr_free(expr2); |
7c9c4a67 | 163 | |
164 | expr->data = constraintExprData_binaryExprSetExpr2(expr->data, temp); | |
165 | expr->data = constraintExprData_binaryExprSetOp(expr->data, op); | |
166 | ||
167 | return expr; | |
168 | } | |
169 | ||
3aaedf88 | 170 | |
d46ce6a4 | 171 | /*@only@*/ constraintExpr constraintExpr_propagateConstants (/*@only@*/ constraintExpr expr, |
3aaedf88 | 172 | /*@out@*/ bool * propagate, |
173 | /*@out@*/ int *literal) | |
174 | { | |
175 | constraintExpr expr1; | |
176 | constraintExpr expr2; | |
177 | bool propagate1, propagate2; | |
178 | int literal1, literal2; | |
d46ce6a4 | 179 | constraintExprBinaryOpKind op; |
3aaedf88 | 180 | |
181 | propagate1 = FALSE; | |
182 | propagate2 = FALSE; | |
183 | ||
184 | literal1 = 0; | |
185 | literal2 = 0; | |
186 | ||
187 | *propagate = FALSE; | |
188 | *literal = 0; | |
189 | ||
dc92450f | 190 | llassert (expr != NULL); |
3aaedf88 | 191 | |
192 | // we simplify unaryExpr else where | |
d46ce6a4 | 193 | if (expr->kind != binaryexpr) |
3aaedf88 | 194 | return expr; |
195 | ||
d46ce6a4 | 196 | op = constraintExprData_binaryExprGetOp (expr->data); |
3aaedf88 | 197 | |
c3e695ff | 198 | DPRINTF( (message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) ); |
7c9c4a67 | 199 | |
200 | expr = removeZero(expr); | |
3aaedf88 | 201 | |
202 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
203 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
204 | ||
d46ce6a4 | 205 | expr1 = constraintExpr_copy(expr1); |
206 | expr2 = constraintExpr_copy(expr2); | |
207 | ||
3aaedf88 | 208 | expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1); |
209 | expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2); | |
210 | ||
3aaedf88 | 211 | *propagate = propagate1 || propagate2; |
7c9c4a67 | 212 | |
213 | if (op == PLUS) | |
214 | *literal = literal1 + literal2; | |
215 | else if (op == MINUS) | |
216 | *literal = literal1 - literal2; | |
217 | else | |
218 | BADEXIT; | |
219 | ||
3aaedf88 | 220 | if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) ) |
221 | { | |
b9904f57 | 222 | long t1, t2; |
3aaedf88 | 223 | t1 = constraintExpr_getValue (expr1); |
224 | t2 = constraintExpr_getValue (expr2); | |
7c9c4a67 | 225 | llassert(*propagate == FALSE); |
3aaedf88 | 226 | *propagate = FALSE; |
a8e557d3 | 227 | |
d46ce6a4 | 228 | constraintExpr_free (expr); |
229 | constraintExpr_free (expr1); | |
230 | constraintExpr_free (expr2); | |
231 | ||
232 | if (op == PLUS ) | |
3aaedf88 | 233 | return (constraintExpr_makeIntLiteral ( (t1+t2) )); |
d46ce6a4 | 234 | else if (op == MINUS) |
3aaedf88 | 235 | return (constraintExpr_makeIntLiteral ( (t1-t2) )); |
236 | else | |
d46ce6a4 | 237 | BADEXIT; |
3aaedf88 | 238 | } |
d46ce6a4 | 239 | |
240 | ||
3aaedf88 | 241 | if (constraintExpr_isLit (expr1) ) |
242 | { | |
3aaedf88 | 243 | *propagate = TRUE; |
d46ce6a4 | 244 | |
7c9c4a67 | 245 | *literal += constraintExpr_getValue (expr1); |
d46ce6a4 | 246 | |
7c9c4a67 | 247 | if (op == PLUS) |
248 | { | |
249 | constraintExpr_free(expr1); | |
250 | constraintExpr_free(expr); | |
251 | return expr2; | |
252 | } | |
253 | else if (op == MINUS) | |
254 | { | |
255 | constraintExpr temp; | |
256 | ||
257 | /* this is an ugly kludge to deal with not | |
258 | having a unary minus operation...*/ | |
259 | ||
260 | temp = constraintExpr_makeIntLiteral (0); | |
261 | temp = constraintExpr_makeSubtractExpr (temp, expr2); | |
262 | ||
263 | constraintExpr_free(expr1); | |
264 | constraintExpr_free(expr); | |
265 | ||
266 | return temp; | |
267 | } | |
7272a1c1 | 268 | else |
269 | { | |
270 | BADBRANCH; /* evans 2001-07-18 */ | |
271 | } | |
3aaedf88 | 272 | } |
273 | ||
3aaedf88 | 274 | if (constraintExpr_isLit (expr2) ) |
275 | { | |
276 | *propagate = TRUE; | |
a8e557d3 | 277 | |
d46ce6a4 | 278 | if ( op == PLUS ) |
3aaedf88 | 279 | *literal += constraintExpr_getValue (expr2); |
7c9c4a67 | 280 | else if (op == MINUS) |
3aaedf88 | 281 | *literal -= constraintExpr_getValue (expr2); |
7c9c4a67 | 282 | else |
283 | BADEXIT; | |
284 | ||
d46ce6a4 | 285 | |
286 | constraintExpr_free(expr2); | |
287 | constraintExpr_free(expr); | |
3aaedf88 | 288 | return expr1; |
289 | } | |
3aaedf88 | 290 | |
c3e695ff | 291 | DPRINTF( (message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 292 | |
d46ce6a4 | 293 | expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1); |
294 | expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2); | |
295 | ||
7c9c4a67 | 296 | expr = removeZero(expr); |
3aaedf88 | 297 | return expr; |
298 | } | |
299 | ||
bb25bea6 | 300 | /*@only@*/ static constraintExpr constraintExpr_combineConstants (/*@only@*/ constraintExpr expr ) /*@modifies expr@*/ |
3aaedf88 | 301 | { |
302 | bool propagate; | |
303 | int literal; | |
304 | ||
c3e695ff | 305 | DPRINTF ( (message ("Before combine %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 306 | expr = constraintExpr_propagateConstants (expr, &propagate, &literal); |
307 | ||
308 | ||
309 | if (propagate) | |
310 | { | |
311 | constraintExpr ret; | |
312 | ||
313 | if (literal != 0) | |
314 | { | |
315 | ret = constraintExpr_makeBinaryOpConstraintExprIntLiteral (expr, literal); | |
316 | expr = ret; | |
317 | } | |
318 | } | |
c3e695ff | 319 | DPRINTF ( (message ("After combine %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 320 | return expr; |
321 | } | |
c3e695ff | 322 | |
dc92450f | 323 | /*@special@*/ |
c3e695ff | 324 | static constraintExpr constraintExpr_alloc (void) /*@post:isnull result->data@*/ |
3aaedf88 | 325 | { |
326 | constraintExpr ret; | |
327 | ret = dmalloc (sizeof (*ret) ); | |
328 | ret->kind = term; | |
329 | ret->data = NULL; | |
330 | return ret; | |
331 | } | |
332 | ||
4ab867d6 | 333 | /*@only@*/ static constraintExprData copyExprData (/*@observer@*/ constraintExprData data, constraintExprKind kind) |
c3e695ff | 334 | { |
335 | constraintExprData ret; | |
336 | llassert(constraintExprData_isDefined(data)); | |
337 | ||
338 | switch (kind) | |
339 | { | |
340 | case binaryexpr: | |
341 | ret = constraintExprData_copyBinaryExpr(data); | |
342 | break; | |
343 | case unaryExpr: | |
344 | ret = constraintExprData_copyUnaryExpr(data); | |
345 | break; | |
346 | case term: | |
347 | ret = constraintExprData_copyTerm(data); | |
348 | break; | |
349 | default: | |
350 | BADEXIT; | |
351 | } | |
352 | return ret; | |
353 | } | |
3aaedf88 | 354 | |
355 | constraintExpr constraintExpr_copy (constraintExpr expr) | |
356 | { | |
357 | constraintExpr ret; | |
358 | ret = constraintExpr_alloc(); | |
359 | ret->kind = expr->kind; | |
c3e695ff | 360 | |
361 | ret->data = copyExprData (expr->data, expr->kind); | |
3aaedf88 | 362 | return ret; |
363 | } | |
364 | ||
365 | ||
28bf4b0b | 366 | /*@only@*/ static constraintExpr oldconstraintExpr_makeTermExprNode ( /*@dependent@*/ exprNode e) |
3aaedf88 | 367 | { |
368 | constraintExpr ret; | |
369 | constraintTerm t; | |
370 | ret = constraintExpr_alloc(); | |
371 | ret->kind = term; | |
372 | ret->data = dmalloc (sizeof *(ret->data) ); | |
373 | t = constraintTerm_makeExprNode (e); | |
374 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
375 | return ret; | |
376 | } | |
377 | ||
28bf4b0b | 378 | constraintExpr constraintExpr_makeExprNode (exprNode e) |
3aaedf88 | 379 | { |
380 | sRef s; | |
381 | constraintExpr ret, ce1, ce2; | |
382 | exprData data; | |
383 | exprNode t, t1, t2; | |
384 | lltok tok; | |
385 | ||
386 | ||
dc92450f | 387 | llassert (e != NULL); |
3aaedf88 | 388 | |
389 | data = e->edata; | |
390 | ||
391 | switch (e->kind) | |
392 | { | |
393 | case XPR_SIZEOF: | |
394 | t = exprData_getSingle (data); | |
395 | s = exprNode_getSref (t); | |
396 | if (sRef_isFixedArray(s) ) | |
397 | { | |
398 | int size; | |
399 | ||
dc92450f | 400 | size = (int) sRef_getArraySize(s); |
3aaedf88 | 401 | ret = constraintExpr_makeIntLiteral (size); |
402 | } | |
403 | else | |
404 | { | |
c3e695ff | 405 | DPRINTF ((message ("could not determine the size of %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 406 | ret = oldconstraintExpr_makeTermExprNode (e); |
407 | } | |
408 | break; | |
409 | ||
410 | case XPR_OP: | |
c3e695ff | 411 | DPRINTF ((message ("Examining operation %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 412 | t1 = exprData_getOpA (data); |
413 | t2 = exprData_getOpB (data); | |
414 | tok = exprData_getOpTok (data); | |
415 | ||
416 | if (lltok_isPlus_Op (tok) || lltok_isMinus_Op (tok) ) | |
417 | { | |
418 | ce1 = constraintExpr_makeExprNode (t1); | |
419 | ce2 = constraintExpr_makeExprNode (t2); | |
420 | ret = constraintExpr_parseMakeBinaryOp (ce1, tok, ce2); | |
421 | } | |
422 | else | |
423 | { | |
424 | ret = oldconstraintExpr_makeTermExprNode (e); | |
425 | } | |
426 | break; | |
427 | case XPR_PARENS: | |
428 | t = exprData_getUopNode (data); | |
429 | ret = constraintExpr_makeExprNode (t); | |
430 | break; | |
431 | ||
432 | case XPR_PREOP: | |
433 | t = exprData_getUopNode (data); | |
434 | tok = exprData_getUopTok (data); | |
435 | if (lltok_isInc_Op (tok) ) | |
436 | { | |
437 | constraintExpr temp; | |
438 | temp = constraintExpr_makeExprNode(t); | |
439 | ret = constraintExpr_makeIncConstraintExpr(temp); | |
440 | } | |
441 | else if (lltok_isDec_Op (tok) ) | |
442 | { | |
443 | constraintExpr temp; | |
444 | temp = constraintExpr_makeExprNode(t); | |
445 | ret = constraintExpr_makeDecConstraintExpr(temp); | |
446 | } | |
447 | else | |
448 | ret = oldconstraintExpr_makeTermExprNode (e); | |
449 | break; | |
450 | ||
451 | case XPR_POSTOP: | |
452 | t = exprData_getUopNode (data); | |
453 | ret = constraintExpr_makeExprNode (t); | |
454 | break; | |
470b7798 | 455 | case XPR_CAST: |
456 | t = exprData_getCastNode (data); | |
457 | ret = constraintExpr_makeExprNode (t); | |
458 | break; | |
459 | case XPR_COMMA: | |
460 | t = exprData_getPairA(data); | |
c3e695ff | 461 | ret = constraintExpr_makeExprNode(t); |
462 | /*@i3434*/ /*I'm not sure if this is right. I'm adding a break to quite LCLint*/ | |
463 | break; | |
3aaedf88 | 464 | default: |
465 | ret = oldconstraintExpr_makeTermExprNode (e); | |
466 | ||
467 | } | |
468 | return ret; | |
469 | } | |
470 | ||
7c9c4a67 | 471 | /*@only@*/ constraintExpr constraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e) |
3aaedf88 | 472 | { |
473 | return oldconstraintExpr_makeTermExprNode(e); //constraintExpr_makeExprNode (e); | |
474 | } | |
475 | ||
28bf4b0b | 476 | static constraintExpr constraintExpr_makeTerm (/*@only@*/ constraintTerm t) |
920a3797 | 477 | { |
478 | constraintExpr ret; | |
479 | ||
480 | ret = constraintExpr_alloc(); | |
481 | ret->kind = term; | |
482 | ret->data = dmalloc (sizeof *(ret->data) ); | |
483 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
484 | ||
485 | return ret; | |
486 | } | |
3aaedf88 | 487 | |
28bf4b0b | 488 | constraintExpr constraintExpr_makeTermsRef (/*@temp@*/ sRef s) |
3aaedf88 | 489 | { |
490 | constraintExpr ret; | |
491 | constraintTerm t; | |
492 | ret = constraintExpr_alloc(); | |
493 | ret->kind = term; | |
494 | ret->data = dmalloc (sizeof *(ret->data) ); | |
495 | t = constraintTerm_makesRef (s); | |
496 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
497 | return ret; | |
498 | } | |
499 | ||
920a3797 | 500 | /*@special@*/ static constraintExpr makeUnaryOpGeneric (void) /*@allocates result->data@*/ /*@defines result->kind@*/ |
3aaedf88 | 501 | { |
502 | constraintExpr ret; | |
503 | ret = constraintExpr_alloc(); | |
504 | ret->kind = unaryExpr; | |
505 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
506 | return ret; | |
507 | } | |
508 | ||
bb25bea6 | 509 | /*@only@*/ static constraintExpr constraintExpr_makeUnaryOpConstraintExpr (/*@only@*/ constraintExpr cexpr) |
3aaedf88 | 510 | { |
511 | constraintExpr ret; | |
920a3797 | 512 | ret = makeUnaryOpGeneric(); |
a8e557d3 | 513 | |
514 | /*@-uniondef@*/ | |
515 | /*@-compdef@*/ | |
516 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); | |
517 | ret->data = constraintExprData_unaryExprSetOp (ret->data, UNARYOP_UNDEFINED); | |
518 | ||
3aaedf88 | 519 | return ret; |
a8e557d3 | 520 | |
521 | /*@=compdef@*/ | |
c3e695ff | 522 | /*@=uniondef@*/ |
3aaedf88 | 523 | } |
524 | ||
920a3797 | 525 | |
526 | /*@only@*/ static constraintExpr constraintExpr_makeUnaryOp (/*@only@*/ constraintExpr cexpr, constraintExprUnaryOpKind Op ) | |
527 | { | |
528 | constraintExpr ret; | |
529 | ret = makeUnaryOpGeneric(); | |
530 | ||
531 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); | |
532 | ret->data = constraintExprData_unaryExprSetOp (ret->data, Op); | |
533 | ||
534 | return ret; | |
535 | } | |
536 | ||
bb25bea6 | 537 | /*@only@*/ |
538 | static constraintExpr constraintExpr_makeMaxSetConstraintExpr (/*@only@*/ constraintExpr c) | |
3aaedf88 | 539 | { |
540 | constraintExpr ret; | |
920a3797 | 541 | ret = constraintExpr_makeUnaryOp (c, MAXSET); |
3aaedf88 | 542 | return ret; |
543 | } | |
544 | ||
bb25bea6 | 545 | /*@only@*/ |
4ab867d6 | 546 | static constraintExpr constraintExpr_makeUnaryOpExprNode (/*@exposed@*/ exprNode expr) |
3aaedf88 | 547 | { |
548 | constraintExpr ret; | |
549 | constraintExpr sub; | |
550 | sub = constraintExpr_makeExprNode (expr); | |
551 | ret = constraintExpr_makeUnaryOpConstraintExpr(sub); | |
d46ce6a4 | 552 | |
3aaedf88 | 553 | return ret; |
554 | } | |
555 | ||
556 | ||
557 | ||
bb25bea6 | 558 | /*@only@*/ |
28bf4b0b | 559 | static constraintExpr constraintExpr_makeSRefUnaryOp (/*@temp@*/ /*@observer@*/ sRef s, constraintExprUnaryOpKind op) |
3aaedf88 | 560 | { |
561 | constraintExpr ret; | |
562 | constraintExpr t; | |
563 | ||
564 | t = constraintExpr_makeTermsRef (s); | |
565 | ret = constraintExpr_makeUnaryOpConstraintExpr (t); | |
566 | ret->data = constraintExprData_unaryExprSetOp (ret->data, op); | |
d46ce6a4 | 567 | |
3aaedf88 | 568 | return ret; |
569 | } | |
570 | ||
bb25bea6 | 571 | /*@only@*/ |
28bf4b0b | 572 | constraintExpr constraintExpr_makeSRefMaxRead( sRef s) |
470b7798 | 573 | { |
574 | return (constraintExpr_makeSRefUnaryOp (s, MAXREAD) ); | |
575 | } | |
576 | ||
bb25bea6 | 577 | /*@only@*/ |
28bf4b0b | 578 | constraintExpr constraintExpr_makeSRefMaxset ( sRef s) |
3aaedf88 | 579 | { |
580 | return (constraintExpr_makeSRefUnaryOp (s, MAXSET) ); | |
581 | } | |
582 | ||
bb25bea6 | 583 | /*@only@*/ |
3aaedf88 | 584 | constraintExpr constraintExpr_parseMakeUnaryOp (lltok op, constraintExpr cexpr) |
585 | { | |
586 | constraintExpr ret; | |
587 | ret = constraintExpr_makeUnaryOpConstraintExpr ( cexpr); | |
588 | ||
589 | switch (op.tok) | |
590 | { | |
591 | case QMAXSET: | |
592 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET); | |
593 | break; | |
594 | case QMAXREAD: | |
595 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
596 | break; | |
597 | default: | |
dc92450f | 598 | llfatalbug(message("Unhandled Operation in Constraint") ); |
3aaedf88 | 599 | } |
600 | return ret; | |
601 | } | |
602 | ||
bb25bea6 | 603 | /*@only@*/ |
4ab867d6 | 604 | constraintExpr constraintExpr_makeMaxSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 605 | { |
606 | constraintExpr ret; | |
607 | ret = constraintExpr_makeExprNode (expr); | |
608 | ||
609 | ret = constraintExpr_makeMaxSetConstraintExpr (ret); | |
610 | ||
dc92450f | 611 | llassert (ret != NULL); |
3aaedf88 | 612 | return ret; |
613 | } | |
614 | ||
bb25bea6 | 615 | /*@only@*/ |
3aaedf88 | 616 | constraintExpr constraintExpr_makeMaxReadExpr (exprNode expr) |
617 | { | |
618 | constraintExpr ret; | |
619 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
620 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
621 | return ret; | |
622 | } | |
623 | ||
bb25bea6 | 624 | /*@only@*/ |
28bf4b0b | 625 | /*@unused@*/ static constraintExpr constraintExpr_makeMinSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 626 | { |
627 | constraintExpr ret; | |
628 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
629 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINSET); | |
630 | return ret; | |
631 | } | |
632 | ||
bb25bea6 | 633 | /*@only@*/ |
28bf4b0b | 634 | /*@unused@*/ static constraintExpr constraintExpr_makeMinReadExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 635 | { |
636 | constraintExpr ret; | |
637 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
638 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINREAD); | |
639 | return ret; | |
640 | } | |
641 | ||
642 | ||
bb25bea6 | 643 | /*@only@*/ |
4ab867d6 | 644 | constraintExpr constraintExpr_makeValueExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 645 | { |
646 | constraintExpr ret; | |
647 | ret = constraintExpr_makeExprNode (expr); | |
648 | return ret; | |
649 | } | |
650 | ||
bb25bea6 | 651 | /*@only@*/ |
b9904f57 | 652 | constraintExpr constraintExpr_makeIntLiteral (long i) |
3aaedf88 | 653 | { |
654 | constraintExpr ret; | |
655 | constraintTerm t; | |
656 | ret = constraintExpr_alloc(); | |
657 | ret->kind = term; | |
658 | ret->data = dmalloc (sizeof *(ret->data) ); | |
659 | t = constraintTerm_makeIntLiteral (i); | |
660 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
661 | return ret; | |
662 | } | |
663 | ||
c3e695ff | 664 | /* |
3aaedf88 | 665 | constraintExpr constraintExpr_makeValueInt (int i) |
666 | { | |
667 | return constraintExpr_makeIntLiteral (i); | |
668 | } | |
c3e695ff | 669 | */ |
3aaedf88 | 670 | |
bb25bea6 | 671 | /*@only@*/ |
28bf4b0b | 672 | /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) |
673 | /*@allocates result->data @*/ /*@sets result->kind @*/ | |
3aaedf88 | 674 | { |
675 | constraintExpr ret; | |
676 | ret = constraintExpr_alloc(); | |
677 | ret->kind = binaryexpr; | |
678 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
28bf4b0b | 679 | // ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED); |
3aaedf88 | 680 | return ret; |
681 | } | |
682 | ||
683 | ||
bb25bea6 | 684 | static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExpr (/*@only@*/constraintExpr expr1, /*@only@*/ constraintExpr expr2) |
3aaedf88 | 685 | |
686 | { | |
687 | constraintExpr ret; | |
d46ce6a4 | 688 | |
3aaedf88 | 689 | ret = constraintExpr_makeBinaryOp(); |
690 | ret->data = constraintExprData_binaryExprSetExpr1 (ret->data, expr1); | |
691 | ret->data = constraintExprData_binaryExprSetExpr2 (ret->data, expr2); | |
84c9ffbf | 692 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED); |
3aaedf88 | 693 | return ret; |
694 | } | |
695 | ||
bb25bea6 | 696 | /*@only@*/ |
d46ce6a4 | 697 | constraintExpr constraintExpr_parseMakeBinaryOp (/*@only@*/ constraintExpr expr1, lltok op,/*@only@*/ constraintExpr expr2) |
3aaedf88 | 698 | { |
699 | constraintExpr ret; | |
700 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
701 | if (op.tok == TPLUS) | |
702 | ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS); | |
703 | else if (op.tok == TMINUS) | |
704 | ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS); | |
705 | else | |
706 | { | |
707 | llassert(FALSE); | |
708 | } | |
709 | return ret; | |
710 | } | |
711 | ||
bb25bea6 | 712 | /*@only@*/ |
28bf4b0b | 713 | /*@unused@*/ static constraintExpr constraintExpr_makeBinaryOpExprNode (/*@exposed@*/ exprNode expr1, /*@exposed@*/ exprNode expr2) |
3aaedf88 | 714 | { |
715 | constraintExpr ret; | |
716 | constraintExpr sub1, sub2; | |
717 | sub1 = constraintExpr_makeTermExprNode (expr1); | |
718 | sub2 = constraintExpr_makeTermExprNode (expr2); | |
719 | ret = constraintExpr_makeBinaryOpConstraintExpr(sub1, sub2); | |
720 | return ret; | |
721 | } | |
722 | ||
920a3797 | 723 | static /*@only@*/ |
d46ce6a4 | 724 | constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/ constraintExpr expr, int literal) |
3aaedf88 | 725 | { |
726 | constraintExpr ret; | |
727 | constraintExpr constExpr; | |
728 | ||
729 | constExpr = constraintExpr_makeIntLiteral (literal); | |
730 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, constExpr); | |
731 | ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS); | |
732 | return ret; | |
733 | } | |
734 | ||
bb25bea6 | 735 | /*@only@*/ |
d46ce6a4 | 736 | constraintExpr constraintExpr_makeDecConstraintExpr (/*@only@*/constraintExpr expr) |
3aaedf88 | 737 | { |
738 | constraintExpr ret; | |
739 | constraintExpr inc; | |
740 | ||
741 | inc = constraintExpr_makeIntLiteral (1); | |
742 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
743 | ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS); | |
744 | return ret; | |
745 | } | |
746 | ||
2934b455 | 747 | |
748 | /*@only@*/ constraintExpr constraintExpr_makeSubtractExpr (/*@only@*/ constraintExpr expr, /*@only@*/ constraintExpr addent) | |
749 | { | |
28bf4b0b | 750 | constraintExpr ret; |
2934b455 | 751 | |
752 | DPRINTF ( (message ("Making subtract expression") ) ); | |
753 | ||
28bf4b0b | 754 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
755 | ret->data = constraintExprData_binaryExprSetOp (ret->data, MINUS); | |
756 | return ret; | |
2934b455 | 757 | } |
758 | ||
bb25bea6 | 759 | /*@only@*/ |
2934b455 | 760 | constraintExpr constraintExpr_makeAddExpr (/*@only@*/ |
bb25bea6 | 761 | constraintExpr expr, /*@only@*/ |
2934b455 | 762 | constraintExpr addent) |
3aaedf88 | 763 | { |
28bf4b0b | 764 | constraintExpr ret; |
3aaedf88 | 765 | |
2934b455 | 766 | DPRINTF ( (message ("Doing addTerm simplification") ) ); |
3aaedf88 | 767 | |
28bf4b0b | 768 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
769 | ret->data = constraintExprData_binaryExprSetOp (ret->data, PLUS); | |
770 | return ret; | |
3aaedf88 | 771 | } |
772 | ||
2934b455 | 773 | |
bb25bea6 | 774 | /*@only@*/ |
d46ce6a4 | 775 | constraintExpr constraintExpr_makeIncConstraintExpr (/*@only@*/ constraintExpr expr) |
3aaedf88 | 776 | { |
777 | constraintExpr ret; | |
778 | constraintExpr inc; | |
779 | ||
780 | inc = constraintExpr_makeIntLiteral (1); | |
781 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
782 | ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS); | |
783 | return ret; | |
784 | } | |
785 | ||
bb25bea6 | 786 | /*@only@*/ |
787 | static cstring constraintExprUnaryOpKind_print (constraintExprUnaryOpKind op) | |
3aaedf88 | 788 | { |
789 | switch (op) | |
790 | { | |
791 | case MAXSET: | |
03d670b6 | 792 | return message("maxSet"); |
3aaedf88 | 793 | case MINSET: |
03d670b6 | 794 | return message("minSet"); |
3aaedf88 | 795 | case MAXREAD: |
03d670b6 | 796 | return message("maxRead"); |
3aaedf88 | 797 | case MINREAD: |
03d670b6 | 798 | return message("minRead"); |
3aaedf88 | 799 | default: |
800 | llassert(FALSE); | |
801 | return message ("<(Unary OP OTHER>"); | |
802 | } | |
803 | } | |
804 | ||
805 | ||
bb25bea6 | 806 | /*@only@*/ |
807 | static cstring constraintExprBinaryOpKind_print (constraintExprBinaryOpKind op) | |
3aaedf88 | 808 | { |
809 | ||
810 | switch (op) | |
811 | { | |
812 | case PLUS: | |
813 | return message("+"); | |
814 | case MINUS: | |
815 | return message("-"); | |
dc92450f | 816 | |
817 | default: | |
818 | llassert(FALSE); | |
819 | return message ("<binary OP Unknown>"); | |
3aaedf88 | 820 | } |
3aaedf88 | 821 | } |
822 | ||
823 | bool constraintExpr_similar (constraintExpr expr1, constraintExpr expr2) | |
824 | { | |
825 | constraintExprKind kind; | |
826 | ||
827 | llassert (expr1 != NULL); | |
828 | llassert (expr2 != NULL); | |
829 | if (expr1->kind != expr2->kind) | |
830 | return FALSE; | |
831 | ||
832 | kind = expr1->kind; | |
833 | ||
834 | switch (kind) | |
835 | { | |
836 | case term: | |
837 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
838 | constraintExprData_termGetTerm(expr2->data) ); | |
c3e695ff | 839 | /*@notreached@*/ break; |
3aaedf88 | 840 | |
841 | case unaryExpr: | |
842 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
843 | return FALSE; | |
844 | ||
845 | return (constraintExpr_similar ( | |
846 | constraintExprData_unaryExprGetExpr (expr1->data), | |
847 | constraintExprData_unaryExprGetExpr (expr2->data) | |
848 | )); | |
849 | ||
850 | case binaryexpr: | |
851 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
852 | return FALSE; | |
853 | ||
854 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
855 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
856 | return FALSE; | |
857 | ||
858 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
859 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
860 | return FALSE; | |
861 | else | |
862 | return TRUE; | |
863 | /*@notreached@*/ | |
864 | break; | |
865 | ||
866 | default: | |
867 | llassert(FALSE); | |
868 | return FALSE; | |
869 | } | |
870 | /*@notreached@*/ | |
871 | return FALSE; | |
872 | } | |
873 | ||
874 | bool constraintExpr_same (constraintExpr expr1, constraintExpr expr2) | |
875 | { | |
876 | constraintExprKind kind; | |
877 | ||
878 | llassert (expr1 != NULL); | |
879 | llassert (expr2 != NULL); | |
880 | if (expr1->kind != expr2->kind) | |
881 | return FALSE; | |
882 | ||
883 | kind = expr1->kind; | |
884 | ||
885 | switch (kind) | |
886 | { | |
887 | case term: | |
888 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
889 | constraintExprData_termGetTerm(expr2->data) ); | |
dc92450f | 890 | /*@notreached@*/ break; |
3aaedf88 | 891 | |
892 | case unaryExpr: | |
893 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
894 | return FALSE; | |
895 | ||
896 | return (constraintExpr_same ( | |
897 | constraintExprData_unaryExprGetExpr (expr1->data), | |
898 | constraintExprData_unaryExprGetExpr (expr2->data) | |
899 | )); | |
900 | ||
901 | ||
902 | case binaryexpr: | |
903 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
904 | return FALSE; | |
905 | ||
906 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
907 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
908 | return FALSE; | |
909 | ||
910 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
911 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
912 | return FALSE; | |
913 | else | |
914 | return TRUE; | |
dc92450f | 915 | /*@notreached@*/ break; |
3aaedf88 | 916 | |
917 | default: | |
918 | llassert(FALSE); | |
919 | return FALSE; | |
920 | } | |
921 | ||
922 | /*@notreached@*/ | |
923 | BADEXIT; | |
924 | } | |
925 | ||
bb25bea6 | 926 | bool constraintExpr_search (/*@observer@*/ constraintExpr c, /*@observer@*/ constraintExpr old) |
3aaedf88 | 927 | { |
928 | bool ret = FALSE; | |
929 | constraintExprKind kind; | |
930 | constraintExpr temp; | |
931 | ||
932 | if ( constraintExpr_similar (c, old) ) | |
933 | { | |
bb25bea6 | 934 | DPRINTF((message ("Found %q", |
3aaedf88 | 935 | constraintExpr_unparse(old) |
936 | ))); | |
937 | return TRUE; | |
938 | } | |
939 | ||
940 | kind = c->kind; | |
941 | ||
942 | switch (kind) | |
943 | { | |
944 | case term: | |
945 | break; | |
946 | case unaryExpr: | |
947 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
948 | ret = ret || constraintExpr_search (temp, old); | |
949 | break; | |
950 | case binaryexpr: | |
951 | ||
952 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
953 | ret = ret || constraintExpr_search(temp, old); | |
954 | ||
955 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
956 | ret = ret || constraintExpr_search(temp, old); | |
957 | break; | |
958 | default: | |
959 | llassert(FALSE); | |
960 | } | |
961 | return ret; | |
962 | ||
963 | } | |
964 | ||
965 | ||
28bf4b0b | 966 | /*@only@*/ constraintExpr constraintExpr_searchandreplace (/*@only@*/ /*@unique@*/ constraintExpr c, /*@temp@*/ constraintExpr old, /*@temp@*/ constraintExpr newExpr ) |
3aaedf88 | 967 | { |
968 | constraintExprKind kind; | |
969 | constraintExpr temp; | |
970 | ||
971 | if ( constraintExpr_similar (c, old) ) | |
972 | { | |
bb25bea6 | 973 | |
470b7798 | 974 | DPRINTF((message ("Replacing %s with %s", |
28bf4b0b | 975 | constraintExpr_unparse(old), constraintExpr_unparse(newExpr) |
3aaedf88 | 976 | ))); |
bb25bea6 | 977 | constraintExpr_free(c); |
28bf4b0b | 978 | return constraintExpr_copy (newExpr); |
3aaedf88 | 979 | } |
980 | ||
981 | kind = c->kind; | |
982 | ||
983 | switch (kind) | |
984 | { | |
985 | case term: | |
986 | break; | |
987 | case unaryExpr: | |
988 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 989 | temp = constraintExpr_copy(temp); |
28bf4b0b | 990 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 991 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); |
992 | break; | |
993 | case binaryexpr: | |
994 | ||
995 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 996 | temp = constraintExpr_copy(temp); |
28bf4b0b | 997 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 998 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); |
999 | ||
1000 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1001 | temp = constraintExpr_copy(temp); |
28bf4b0b | 1002 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 1003 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); |
1004 | break; | |
1005 | default: | |
1006 | llassert(FALSE); | |
1007 | } | |
1008 | return c; | |
1009 | ||
1010 | } | |
1011 | ||
bb25bea6 | 1012 | static constraintExpr constraintExpr_simplifyChildren (/*@returned@*/ constraintExpr c) |
3aaedf88 | 1013 | { |
1014 | constraintExprKind kind; | |
1015 | constraintExpr temp; | |
1016 | ||
1017 | kind = c->kind; | |
1018 | ||
1019 | switch (kind) | |
1020 | { | |
1021 | case term: | |
1022 | break; | |
1023 | case unaryExpr: | |
1024 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1025 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1026 | temp = constraintExpr_simplify (temp); |
1027 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
1028 | break; | |
1029 | case binaryexpr: | |
c3e695ff | 1030 | DPRINTF((message("constraintExpr_simplfiyChildren: simplify binary expression: %s",constraintExpr_unparse(c) ) ) ); |
3aaedf88 | 1031 | temp = constraintExprData_binaryExprGetExpr1 (c->data); |
d46ce6a4 | 1032 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1033 | temp = constraintExpr_simplify (temp); |
1034 | ||
1035 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
1036 | ||
1037 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1038 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1039 | temp = constraintExpr_simplify (temp); |
1040 | ||
1041 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
1042 | break; | |
1043 | default: | |
1044 | llassert(FALSE); | |
1045 | } | |
1046 | return c; | |
1047 | ||
1048 | } | |
1049 | ||
1050 | ||
28bf4b0b | 1051 | constraintExpr constraintExpr_setFileloc (/*@returned@*/ constraintExpr c, fileloc loc) /*@modifies c @*/ |
3aaedf88 | 1052 | { |
1053 | constraintTerm t; | |
1054 | constraintExpr temp; | |
1055 | ||
dc92450f | 1056 | llassert(c != NULL); |
3aaedf88 | 1057 | |
1058 | switch (c->kind) | |
1059 | { | |
1060 | case term: | |
1061 | t = constraintExprData_termGetTerm (c->data); | |
d46ce6a4 | 1062 | t = constraintTerm_copy(t); |
3aaedf88 | 1063 | t = constraintTerm_setFileloc (t, loc); |
1064 | c->data = constraintExprData_termSetTerm (c->data, t); | |
1065 | break; | |
1066 | case binaryexpr: | |
1067 | ||
1068 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 1069 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1070 | temp = constraintExpr_setFileloc (temp, loc); |
1071 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
1072 | ||
1073 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 1074 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1075 | temp = constraintExpr_setFileloc (temp, loc); |
1076 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
1077 | break; | |
1078 | case unaryExpr: | |
1079 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 1080 | temp = constraintExpr_copy(temp); |
3aaedf88 | 1081 | temp = constraintExpr_setFileloc (temp, loc); |
1082 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
1083 | break; | |
1084 | } | |
1085 | return c; | |
1086 | } | |
1087 | ||
bb25bea6 | 1088 | static /*@only@*/ constraintExpr constraintExpr_simplifybinaryExpr (/*@only@*/constraintExpr c) |
3aaedf88 | 1089 | { |
1090 | constraintExpr e1, e2; | |
7c9c4a67 | 1091 | constraintExprBinaryOpKind op; |
1092 | ||
3aaedf88 | 1093 | e1 = constraintExprData_binaryExprGetExpr1 (c->data); |
1094 | e2 = constraintExprData_binaryExprGetExpr2 (c->data); | |
1095 | ||
1096 | if (constraintExpr_canGetValue (e1) && constraintExpr_canGetValue(e2) ) | |
1097 | { | |
b9904f57 | 1098 | long i; |
3aaedf88 | 1099 | |
1100 | i = constraintExpr_getValue(e1) + constraintExpr_getValue (e2); | |
d46ce6a4 | 1101 | constraintExpr_free(c); |
3aaedf88 | 1102 | c = constraintExpr_makeIntLiteral (i); |
3aaedf88 | 1103 | } |
7c9c4a67 | 1104 | else |
1105 | { | |
1106 | op = constraintExprData_binaryExprGetOp (c->data); | |
1107 | if (op == MINUS) | |
1108 | if (constraintExpr_similar(e1, e2) ) | |
1109 | { | |
1110 | constraintExpr_free(c); | |
1111 | c = constraintExpr_makeIntLiteral (0); | |
1112 | } | |
1113 | } | |
1114 | ||
3aaedf88 | 1115 | return c; |
1116 | } | |
1117 | ||
bb25bea6 | 1118 | /* |
1119 | this thing takes the lexpr and expr of a constraint and modifies lexpr | |
1120 | and returns a (possiblly new) value for expr | |
1121 | */ | |
1122 | /* 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 */ | |
1123 | ||
1124 | /* the approach is a little Kludgy but seems to work. I should probably use something cleaner at some point ... */ | |
1125 | ||
1126 | ||
1127 | /*@only@*/ constraintExpr constraintExpr_solveBinaryExpr (constraintExpr lexpr, /*@only@*/ constraintExpr expr) | |
3aaedf88 | 1128 | { |
1129 | constraintExpr expr1, expr2; | |
1130 | constraintExprBinaryOpKind op; | |
1131 | ||
1132 | if (lexpr->kind != binaryexpr) | |
1133 | return expr; | |
1134 | ||
1135 | expr2 = constraintExprData_binaryExprGetExpr2 (lexpr->data); | |
1136 | expr1 = constraintExprData_binaryExprGetExpr1 (lexpr->data); | |
bb25bea6 | 1137 | |
3aaedf88 | 1138 | op = constraintExprData_binaryExprGetOp (lexpr->data); |
1139 | ||
bb25bea6 | 1140 | expr1 = constraintExpr_copy(expr1); |
1141 | expr2 = constraintExpr_copy(expr2); | |
1142 | ||
28bf4b0b | 1143 | //drl possible problem : warning make sure this works |
c3e695ff | 1144 | |
1145 | lexpr->kind = expr1->kind; | |
d46ce6a4 | 1146 | free (lexpr->data); |
1147 | ||
c3e695ff | 1148 | lexpr->data = copyExprData (expr1->data, expr1->kind); |
28bf4b0b | 1149 | constraintExpr_free(expr1); |
c3e695ff | 1150 | |
1151 | if (op == PLUS) | |
2934b455 | 1152 | expr = constraintExpr_makeSubtractExpr (expr, expr2); |
bb25bea6 | 1153 | else if (op == MINUS) |
2934b455 | 1154 | expr = constraintExpr_makeAddExpr (expr, expr2); |
bb25bea6 | 1155 | else |
1156 | BADEXIT; | |
1157 | ||
c3e695ff | 1158 | |
1159 | return expr; | |
bb25bea6 | 1160 | |
c3e695ff | 1161 | /* |
1162 | #warning this needs to be checked | |
1163 | expr = constraintExpr_solveBinaryExpr (expr1, expr); | |
1164 | ||
1165 | expr = constraintExpr_solveBinaryExpr (expr2, expr); | |
1166 | return expr; | |
1167 | */ | |
3aaedf88 | 1168 | } |
1169 | ||
bb25bea6 | 1170 | static /*@only@*/ constraintExpr constraintExpr_simplifyunaryExpr (/*@only@*/ constraintExpr c) |
3aaedf88 | 1171 | { |
1172 | constraintExpr exp; | |
1173 | ||
1174 | llassert (c->kind == unaryExpr); | |
1175 | ||
c3e695ff | 1176 | DPRINTF ( (message ("Doing constraintExpr_simplifyunaryExpr:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1177 | |
1178 | if ( (constraintExprData_unaryExprGetOp (c->data) != MAXSET) && | |
1179 | (constraintExprData_unaryExprGetOp (c->data) != MAXREAD) ) | |
1180 | { | |
1181 | return c; | |
1182 | } | |
1183 | // pattern mxr ( var + const) = mxr(var) - const | |
1184 | ||
1185 | exp = constraintExprData_unaryExprGetExpr (c->data); | |
1186 | ||
1187 | if (exp->kind == term) | |
1188 | { | |
1189 | constraintTerm cterm; | |
1190 | ||
1191 | cterm = constraintExprData_termGetTerm (exp->data); | |
1192 | ||
1193 | if (constraintTerm_isStringLiteral(cterm) ) | |
1194 | { | |
1195 | cstring val; | |
1196 | val = constraintTerm_getStringLiteral (cterm); | |
1197 | if (constraintExprData_unaryExprGetOp (c->data) == MAXSET) | |
1198 | { | |
d46ce6a4 | 1199 | constraintExpr temp; |
1200 | ||
28bf4b0b | 1201 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1202 | cstring_free(val); |
1203 | constraintExpr_free(c); | |
1204 | return temp; | |
3aaedf88 | 1205 | } |
1206 | if (constraintExprData_unaryExprGetOp (c->data) == MAXREAD) | |
1207 | { | |
d46ce6a4 | 1208 | constraintExpr temp; |
1209 | ||
28bf4b0b | 1210 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1211 | cstring_free(val); |
1212 | constraintExpr_free(c); | |
1213 | return temp; | |
3aaedf88 | 1214 | } |
1215 | BADEXIT; | |
1216 | } | |
1217 | return c; | |
1218 | } | |
1219 | ||
1220 | if (exp->kind != binaryexpr) | |
1221 | return c; | |
1222 | ||
1223 | if (constraintExprData_binaryExprGetOp (exp->data) == PLUS ) | |
1224 | { | |
1225 | ||
1226 | // if (constraintExpr_canGetValue (constraintExprData_binaryExprGetExpr2 (exp->data) ) ) | |
1227 | { | |
1228 | ||
4ab867d6 | 1229 | constraintExpr temp, temp2; |
3aaedf88 | 1230 | |
1231 | DPRINTF ( (message ("Doing fancy simplification") ) ); | |
1232 | ||
1233 | temp = constraintExprData_binaryExprGetExpr2 (exp->data); | |
1234 | ||
1235 | temp2 = constraintExprData_binaryExprGetExpr1 (exp->data); | |
d46ce6a4 | 1236 | |
1237 | temp2 = constraintExpr_copy(temp2); | |
3aaedf88 | 1238 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp2); |
1239 | ||
1240 | ||
bb25bea6 | 1241 | temp = constraintExpr_copy (temp); |
1242 | ||
2934b455 | 1243 | c = constraintExpr_makeSubtractExpr (c, temp); |
3aaedf88 | 1244 | |
4ab867d6 | 1245 | DPRINTF ( (message ("Done fancy simplification:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1246 | } |
1247 | } | |
1248 | ||
1249 | DPRINTF ( (message ("Done simplification:%s", constraintExpr_unparse (c) ) ) ); | |
1250 | return c; | |
1251 | } | |
1252 | ||
1253 | ||
bb25bea6 | 1254 | /*@only@*/ constraintExpr constraintExpr_simplify (/*@only@*/ constraintExpr c) |
3aaedf88 | 1255 | { |
1256 | constraintExprKind kind; | |
bb25bea6 | 1257 | constraintExpr ret; |
3aaedf88 | 1258 | constraintTerm t; |
3aaedf88 | 1259 | |
c3e695ff | 1260 | DPRINTF ( (message ("Doing constraintExpr_simplify:%s", constraintExpr_unparse (c) ) ) ); |
bb25bea6 | 1261 | |
3aaedf88 | 1262 | |
bb25bea6 | 1263 | /*@i22*/ |
3aaedf88 | 1264 | |
bb25bea6 | 1265 | /*I think this is an LCLint bug */ |
1266 | ||
1267 | ret = constraintExpr_copy(c); | |
1268 | ||
1269 | constraintExpr_free(c); | |
1270 | ||
1271 | ret = constraintExpr_simplifyChildren (ret); | |
1272 | ||
1273 | ret = constraintExpr_combineConstants (ret); | |
1274 | ||
1275 | ret = constraintExpr_simplifyChildren (ret); | |
1276 | ||
1277 | ||
1278 | kind = ret->kind; | |
3aaedf88 | 1279 | |
1280 | switch (kind) | |
1281 | { | |
1282 | case term: | |
bb25bea6 | 1283 | t = constraintExprData_termGetTerm (ret->data); |
d46ce6a4 | 1284 | t = constraintTerm_copy(t); |
3aaedf88 | 1285 | t = constraintTerm_simplify (t); |
bb25bea6 | 1286 | ret->data = constraintExprData_termSetTerm (ret->data, t); |
3aaedf88 | 1287 | break; |
1288 | case unaryExpr: | |
bb25bea6 | 1289 | ret = constraintExpr_simplifyunaryExpr (ret); |
3aaedf88 | 1290 | break; |
1291 | case binaryexpr: | |
bb25bea6 | 1292 | ret = constraintExpr_simplifybinaryExpr (ret); |
3aaedf88 | 1293 | break; |
1294 | default: | |
1295 | llassert(FALSE); | |
bb25bea6 | 1296 | } |
1297 | ||
1298 | DPRINTF ( (message ("constraintExpr_simplify returning :%s", constraintExpr_unparse (ret) ) ) ); | |
1299 | return ret; | |
3aaedf88 | 1300 | |
1301 | } | |
1302 | ||
bb25bea6 | 1303 | /*@only@*/ |
4ab867d6 | 1304 | cstring constraintExpr_unparse (/*@temp@*/ /*@observer@*/ constraintExpr ex) /*@*/ |
3aaedf88 | 1305 | { |
1306 | cstring st; | |
1307 | constraintExprKind kind; | |
1308 | ||
1309 | llassert (ex != NULL); | |
1310 | ||
1311 | kind = ex->kind; | |
1312 | ||
1313 | switch (kind) | |
1314 | { | |
1315 | case term: | |
b9904f57 | 1316 | st = message ("(%q) ", constraintTerm_print (constraintExprData_termGetTerm (ex->data))); |
3aaedf88 | 1317 | break; |
1318 | case unaryExpr: | |
d46ce6a4 | 1319 | st = message ("%q (%q)", |
3aaedf88 | 1320 | constraintExprUnaryOpKind_print (constraintExprData_unaryExprGetOp (ex->data) |
1321 | ), | |
1322 | constraintExpr_unparse (constraintExprData_unaryExprGetExpr (ex->data) ) | |
1323 | ); | |
1324 | break; | |
1325 | case binaryexpr: | |
d46ce6a4 | 1326 | st = message ("(%q) %q (%q)", |
3aaedf88 | 1327 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ), |
1328 | constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data) | |
1329 | ), | |
1330 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) ) | |
1331 | ); | |
1332 | break; | |
1333 | default: | |
1334 | llassert(FALSE); | |
1335 | st = message ("error"); | |
1336 | ||
1337 | } | |
1338 | ||
1339 | DPRINTF((message ("constraintExpr_unparse: '%s'",st) ) ); | |
1340 | return st; | |
1341 | } | |
1342 | ||
1343 | constraintExpr constraintExpr_doSRefFixBaseParam (/*@returned@*/ constraintExpr expr, exprNodeList arglist) | |
1344 | { | |
1345 | constraintTerm Term; | |
1346 | constraintExprKind kind; | |
1347 | constraintExpr expr1, expr2; | |
1348 | constraintExprData data; | |
1349 | llassert (expr != NULL); | |
1350 | ||
1351 | data = expr->data; | |
1352 | ||
1353 | kind = expr->kind; | |
1354 | ||
1355 | switch (kind) | |
1356 | { | |
1357 | case term: | |
1358 | Term = constraintExprData_termGetTerm(data); | |
d46ce6a4 | 1359 | Term = constraintTerm_copy(Term); |
1360 | ||
3aaedf88 | 1361 | Term = constraintTerm_doSRefFixBaseParam (Term, arglist); |
1362 | data = constraintExprData_termSetTerm(data, Term); | |
1363 | break; | |
1364 | case unaryExpr: | |
1365 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1366 | expr1 = constraintExpr_copy(expr1); |
1367 | ||
3aaedf88 | 1368 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1369 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1370 | break; | |
1371 | case binaryexpr: | |
1372 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1373 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1374 | ||
d46ce6a4 | 1375 | expr1 = constraintExpr_copy(expr1); |
1376 | expr2 = constraintExpr_copy(expr2); | |
1377 | ||
3aaedf88 | 1378 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1379 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1380 | expr2 = constraintExpr_doSRefFixBaseParam (expr2, arglist); | |
1381 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1382 | ||
1383 | break; | |
1384 | default: | |
1385 | llassert(FALSE); | |
1386 | data = NULL; | |
1387 | } | |
1388 | return expr; | |
1389 | } | |
1390 | ||
d46ce6a4 | 1391 | /*@only@*/ constraintExpr constraintExpr_doSRefFixConstraintParam (/*@only@*/ constraintExpr expr, exprNodeList arglist) /*@modifies expr@*/ |
3aaedf88 | 1392 | { |
1393 | constraintExprKind kind; | |
1394 | constraintExpr expr1, expr2; | |
1395 | constraintExprData data; | |
1396 | llassert (expr != NULL); | |
1397 | ||
1398 | data = expr->data; | |
1399 | ||
1400 | kind = expr->kind; | |
1401 | ||
1402 | switch (kind) | |
1403 | { | |
1404 | case term: | |
c3e695ff | 1405 | expr = doSRefFixConstraintParamTerm (expr, arglist); |
3aaedf88 | 1406 | break; |
1407 | case unaryExpr: | |
1408 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1409 | expr1 = constraintExpr_copy(expr1); |
3aaedf88 | 1410 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1411 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1412 | break; | |
1413 | case binaryexpr: | |
1414 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1415 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1416 | ||
d46ce6a4 | 1417 | expr1 = constraintExpr_copy(expr1); |
1418 | expr2 = constraintExpr_copy(expr2); | |
1419 | ||
3aaedf88 | 1420 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1421 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1422 | expr2 = constraintExpr_doSRefFixConstraintParam (expr2, arglist); | |
1423 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1424 | ||
1425 | break; | |
1426 | default: | |
1427 | llassert(FALSE); | |
1428 | data = NULL; | |
1429 | } | |
1430 | return expr; | |
1431 | } | |
1432 | ||
28bf4b0b | 1433 | /*@only@*/ constraintExpr constraintExpr_doFixResult (/*@only@*/ constraintExpr expr, /*@observer@*/ exprNode fcnCall) |
3aaedf88 | 1434 | { |
1435 | constraintExprKind kind; | |
1436 | constraintExpr expr1, expr2; | |
1437 | constraintExprData data; | |
1438 | llassert (expr != NULL); | |
1439 | ||
1440 | data = expr->data; | |
1441 | ||
1442 | kind = expr->kind; | |
1443 | ||
1444 | switch (kind) | |
1445 | { | |
1446 | case term: | |
c3e695ff | 1447 | expr = doFixResultTerm (expr, fcnCall); |
3aaedf88 | 1448 | break; |
1449 | case unaryExpr: | |
1450 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1451 | expr1 = constraintExpr_copy(expr1); |
1452 | ||
3aaedf88 | 1453 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1454 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1455 | break; | |
1456 | case binaryexpr: | |
1457 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1458 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1459 | ||
d46ce6a4 | 1460 | expr1 = constraintExpr_copy(expr1); |
1461 | expr2 = constraintExpr_copy(expr2); | |
1462 | ||
3aaedf88 | 1463 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1464 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1465 | expr2 = constraintExpr_doFixResult (expr2, fcnCall); | |
1466 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1467 | ||
1468 | break; | |
1469 | default: | |
1470 | llassert(FALSE); | |
1471 | data = NULL; | |
1472 | } | |
1473 | return expr; | |
1474 | } | |
1475 | ||
dc92450f | 1476 | cstring constraintExpr_print (constraintExpr expr) /*@*/ |
3aaedf88 | 1477 | { |
b9904f57 | 1478 | return constraintExpr_unparse (expr); |
3aaedf88 | 1479 | } |
1480 | ||
dc92450f | 1481 | bool constraintExpr_hasMaxSet (constraintExpr expr) /*@*/ |
3aaedf88 | 1482 | { |
1483 | cstring t; | |
1484 | ||
1485 | t = constraintExpr_unparse(expr); | |
1486 | ||
03d670b6 | 1487 | if (cstring_containsLit(t, "maxSet") != NULL ) |
d46ce6a4 | 1488 | { |
1489 | cstring_free(t); | |
1490 | return (TRUE); | |
1491 | } | |
c3e695ff | 1492 | else |
d46ce6a4 | 1493 | { |
1494 | cstring_free(t); | |
1495 | return FALSE; | |
1496 | } | |
3aaedf88 | 1497 | } |
1498 | ||
1499 | ||
1500 | ||
1501 | /*returns 1 0 -1 like strcmp | |
1502 | 1 => expr1 > expr2 | |
1503 | 0 => expr1 == expr2 | |
1504 | -1 => expr1 < expr2 | |
1505 | */ | |
b9904f57 | 1506 | |
3aaedf88 | 1507 | int constraintExpr_compare (constraintExpr expr1, constraintExpr expr2) |
1508 | { | |
b9904f57 | 1509 | long value1, value2; |
3aaedf88 | 1510 | |
1511 | if (constraintExpr_similar (expr1, expr2) ) | |
1512 | { | |
1513 | return 0; | |
1514 | } | |
b9904f57 | 1515 | |
3aaedf88 | 1516 | value1 = constraintExpr_getValue(expr1); |
1517 | value2 = constraintExpr_getValue(expr2); | |
1518 | ||
1519 | if (value1 > value2) | |
1520 | return 1; | |
1521 | ||
1522 | if (value1 == value2) | |
1523 | return 0; | |
1524 | ||
1525 | else | |
1526 | return -1; | |
1527 | } | |
1528 | ||
b9904f57 | 1529 | long constraintExpr_getValue (constraintExpr expr) |
3aaedf88 | 1530 | { |
1531 | llassert (expr->kind == term); | |
b9904f57 | 1532 | return (constraintTerm_getValue (constraintExprData_termGetTerm (expr->data))); |
3aaedf88 | 1533 | } |
1534 | ||
1535 | bool constraintExpr_canGetValue (constraintExpr expr) | |
1536 | { | |
1537 | switch (expr->kind) | |
1538 | { | |
1539 | case term: | |
1540 | return constraintTerm_canGetValue (constraintExprData_termGetTerm (expr->data) ); | |
1541 | default: | |
1542 | return FALSE; | |
1543 | ||
1544 | } | |
c3e695ff | 1545 | |
1546 | BADEXIT; | |
3aaedf88 | 1547 | } |
1548 | ||
3aaedf88 | 1549 | fileloc constraintExpr_getFileloc (constraintExpr expr) |
1550 | { | |
1551 | constraintExpr e; | |
1552 | constraintTerm t; | |
1553 | constraintExprKind kind; | |
1554 | ||
1555 | kind = expr->kind; | |
1556 | ||
1557 | switch (kind) | |
1558 | { | |
1559 | case term: | |
1560 | t = constraintExprData_termGetTerm (expr->data); | |
1561 | return (constraintTerm_getFileloc (t) ); | |
c3e695ff | 1562 | /*@notreached@*/ |
3aaedf88 | 1563 | break; |
1564 | case unaryExpr: | |
1565 | e = constraintExprData_unaryExprGetExpr (expr->data); | |
1566 | return (constraintExpr_getFileloc (e) ); | |
c3e695ff | 1567 | /*@notreached@*/ |
3aaedf88 | 1568 | break; |
1569 | case binaryexpr: | |
1570 | e = constraintExprData_binaryExprGetExpr1 (expr->data); | |
1571 | return (constraintExpr_getFileloc (e) ); | |
c3e695ff | 1572 | /*@notreached@*/ |
1573 | break; | |
3aaedf88 | 1574 | } |
1575 | llassert (FALSE); | |
3aaedf88 | 1576 | return (fileloc_undefined); |
1577 | } | |
1578 | ||
c3e695ff | 1579 | /*drl moved from constriantTerm.c 5/20/001*/ |
4ab867d6 | 1580 | static /*@only@*/ constraintExpr |
1581 | doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall) | |
c3e695ff | 1582 | { |
1583 | constraintTerm t; | |
1584 | sRef s; | |
1585 | /*maybe this should move to cosntraintExpr.c -drl7x 5/18/01*/ | |
1586 | /*@i22*/ constraintExprData data = e->data; | |
1587 | ||
1588 | /*@i22*/constraintExprKind kind = e->kind; | |
1589 | ||
1590 | constraintExpr ret; | |
1591 | ||
1592 | llassert(kind == term); | |
1593 | ||
1594 | t = constraintExprData_termGetTerm (data); | |
28bf4b0b | 1595 | llassert (constraintTerm_isDefined(t) ); |
c3e695ff | 1596 | |
1597 | ret = e; | |
a8e557d3 | 1598 | switch (constraintTerm_getKind(t) ) |
c3e695ff | 1599 | { |
1600 | case EXPRNODE: | |
1601 | break; | |
1602 | case INTLITERAL: | |
1603 | break; | |
1604 | ||
1605 | case SREF: | |
a8e557d3 | 1606 | s = constraintTerm_getSRef(t); |
c3e695ff | 1607 | if (sRef_isResult (s)) |
1608 | { | |
1609 | ret = constraintExpr_makeExprNode(fcnCall); | |
4ab867d6 | 1610 | constraintExpr_free(e); |
1611 | e = NULL; | |
1612 | } | |
1613 | else | |
1614 | { | |
1615 | e = NULL; | |
c3e695ff | 1616 | } |
1617 | break; | |
1618 | default: | |
1619 | BADEXIT; | |
1620 | } | |
1621 | ||
1622 | return ret; | |
1623 | ||
1624 | } | |
1625 | ||
1626 | /*drl moved from constriantTerm.c 5/20/001*/ | |
d46ce6a4 | 1627 | /*@only@*/ static constraintExpr |
4ab867d6 | 1628 | doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@observer@*/ /*@temp@*/ exprNodeList arglist) |
c3e695ff | 1629 | { |
1630 | constraintTerm t; | |
1631 | ||
d46ce6a4 | 1632 | constraintExprData data = e->data; |
c3e695ff | 1633 | |
d46ce6a4 | 1634 | constraintExprKind kind = e->kind; |
c3e695ff | 1635 | |
1636 | constraintExpr ret; | |
1637 | ||
1638 | llassert(kind == term); | |
1639 | ||
1640 | t = constraintExprData_termGetTerm (data); | |
28bf4b0b | 1641 | llassert (constraintTerm_isDefined(t) ); |
c3e695ff | 1642 | |
1643 | ret = e; | |
b9904f57 | 1644 | |
1645 | DPRINTF (("Fixing: %s", constraintExpr_print (e))); | |
1646 | ||
1647 | switch (constraintTerm_getKind(t)) | |
c3e695ff | 1648 | { |
1649 | case EXPRNODE: | |
bb25bea6 | 1650 | DPRINTF((message ("%q @ %q ", constraintTerm_print(t), |
1651 | fileloc_unparse (constraintTerm_getFileloc(t) ) ) )); | |
c3e695ff | 1652 | break; |
1653 | case INTLITERAL: | |
bb25bea6 | 1654 | DPRINTF((message (" %q ", constraintTerm_print (t)) )); |
d46ce6a4 | 1655 | break; |
c3e695ff | 1656 | |
1657 | case SREF: | |
b9904f57 | 1658 | /* evans 2001-07-24: constants should use the original term */ |
1659 | if (!constraintTerm_canGetValue (t)) | |
1660 | { | |
1661 | DPRINTF ((message("Doing sRef_fixConstraintParam for %q ", | |
1662 | constraintTerm_print (t) ) )); | |
1663 | ret = sRef_fixConstraintParam (constraintTerm_getSRef(t), arglist); | |
1664 | ||
1665 | constraintExpr_free (e); | |
1666 | ||
1667 | DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ", | |
1668 | constraintExpr_print (ret) ) )); | |
1669 | /*@-branchstate@*/ | |
1670 | } /*@=branchstate@*/ | |
d46ce6a4 | 1671 | |
c3e695ff | 1672 | break; |
1673 | default: | |
1674 | BADEXIT; | |
1675 | } | |
b9904f57 | 1676 | |
c3e695ff | 1677 | return ret; |
1678 | ||
1679 | } | |
3aaedf88 | 1680 | |
1681 | ||
1682 | /* bool constraintExpr_includesTerm (constraintExpr expr, constraintTerm term) */ | |
1683 | /* { */ | |
1684 | /* if (constraintTerm_hasTerm (expr->term, term) ) */ | |
1685 | /* return TRUE; */ | |
1686 | ||
1687 | /* if ( (expr->expr) != NULL) */ | |
1688 | /* { */ | |
1689 | /* return ( constraintExpr_includesTerm (expr->expr, term) ); */ | |
1690 | /* } */ | |
1691 | /* return FALSE; */ | |
1692 | ||
1693 | /* } */ | |
1694 | ||
bb25bea6 | 1695 | /*drl added 6/11/01 */ |
1696 | bool constraintExpr_isBinaryExpr (/*@observer@*/ constraintExpr c) | |
1697 | { | |
1698 | if (c->kind == binaryexpr) | |
1699 | return TRUE; | |
3aaedf88 | 1700 | |
bb25bea6 | 1701 | else |
1702 | return FALSE; | |
1703 | } | |
3aaedf88 | 1704 | |
920a3797 | 1705 | static void binaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) |
1706 | { | |
1707 | constraintExpr expr1; | |
1708 | constraintExprBinaryOpKind binaryOp; | |
1709 | constraintExpr expr2; | |
1710 | ||
1711 | ||
1712 | binaryOp = constraintExprData_binaryExprGetOp (data); | |
1713 | ||
1714 | fprintf(f, "%d\n", (int) binaryOp); | |
1715 | ||
1716 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1717 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1718 | ||
1719 | fprintf(f, "e1\n"); | |
1720 | ||
1721 | constraintExpr_dump(expr1, f); | |
1722 | ||
1723 | fprintf(f, "e2\n"); | |
1724 | constraintExpr_dump(expr2, f); | |
1725 | } | |
1726 | ||
1727 | ||
1728 | static constraintExpr binaryExpr_undump (FILE *f) | |
1729 | { | |
1730 | constraintExpr expr1; | |
1731 | constraintExprBinaryOpKind binaryOp; | |
1732 | constraintExpr expr2; | |
1733 | ||
1734 | constraintExpr ret; | |
1735 | ||
1736 | ||
1737 | ||
1738 | char * str; | |
1739 | char * os; | |
1740 | ||
1741 | str = mstring_create (MAX_DUMP_LINE_LENGTH); | |
1742 | os = str; | |
1743 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1744 | ||
1745 | ||
28bf4b0b | 1746 | binaryOp = (constraintExprBinaryOpKind) reader_getInt(&str); |
920a3797 | 1747 | |
1748 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1749 | ||
28bf4b0b | 1750 | reader_checkChar (&str, 'e'); |
1751 | reader_checkChar (&str, '1'); | |
920a3797 | 1752 | |
1753 | expr1 = constraintExpr_undump (f); | |
1754 | ||
1755 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1756 | ||
28bf4b0b | 1757 | reader_checkChar (&str, 'e'); |
1758 | reader_checkChar (&str, '2'); | |
920a3797 | 1759 | |
1760 | expr2 = constraintExpr_undump (f); | |
1761 | ||
1762 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
1763 | ret->data = constraintExprData_binaryExprSetOp(ret->data, binaryOp); | |
1764 | ||
1765 | free(os); | |
1766 | return ret; | |
1767 | } | |
1768 | ||
1769 | ||
1770 | ||
1771 | static void unaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) | |
1772 | { | |
1773 | ||
1774 | constraintExpr expr; | |
1775 | constraintExprUnaryOpKind unaryOp; | |
1776 | ||
1777 | unaryOp = constraintExprData_unaryExprGetOp (data); | |
1778 | ||
1779 | fprintf(f, "%d\n", (int) unaryOp); | |
1780 | ||
1781 | expr = constraintExprData_unaryExprGetExpr (data); | |
1782 | ||
1783 | constraintExpr_dump(expr, f); | |
1784 | } | |
1785 | ||
1786 | static constraintExpr unaryExpr_undump ( FILE *f) | |
1787 | { | |
1788 | ||
1789 | constraintExpr expr; | |
1790 | constraintExprUnaryOpKind unaryOp; | |
1791 | constraintExpr ret; | |
1792 | ||
1793 | char * str; | |
1794 | char * os; | |
1795 | ||
1796 | str = mstring_create (MAX_DUMP_LINE_LENGTH); | |
1797 | os = str; | |
1798 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1799 | ||
28bf4b0b | 1800 | unaryOp = (constraintExprUnaryOpKind) reader_getInt(&str); |
920a3797 | 1801 | |
1802 | expr = constraintExpr_undump (f); | |
1803 | ||
1804 | ret = constraintExpr_makeUnaryOp (expr, unaryOp); | |
1805 | ||
1806 | free(os); | |
1807 | ||
1808 | return ret; | |
1809 | } | |
1810 | ||
1811 | void constraintExpr_dump (/*@observer@*/ constraintExpr expr, FILE *f) | |
1812 | { | |
1813 | constraintExprKind kind; | |
1814 | constraintTerm t; | |
1815 | ||
1816 | ||
1817 | kind = expr->kind; | |
1818 | ||
1819 | fprintf(f,"%d\n", (int) kind); | |
1820 | ||
1821 | switch (kind) | |
1822 | { | |
1823 | case term: | |
1824 | t = constraintExprData_termGetTerm (expr->data); | |
1825 | constraintTerm_dump (t, f); | |
1826 | break; | |
1827 | case unaryExpr: | |
1828 | unaryExpr_dump (expr->data, f); | |
1829 | break; | |
1830 | case binaryexpr: | |
1831 | binaryExpr_dump (expr->data, f); | |
1832 | break; | |
1833 | } | |
1834 | } | |
1835 | ||
1836 | /*@only@*/ constraintExpr constraintExpr_undump (FILE *f) | |
1837 | { | |
1838 | constraintExprKind kind; | |
1839 | constraintTerm t; | |
1840 | constraintExpr ret; | |
1841 | ||
1842 | char * s; | |
1843 | char * os; | |
1844 | ||
1845 | s = mstring_create (MAX_DUMP_LINE_LENGTH); | |
1846 | ||
1847 | os = s; | |
1848 | ||
1849 | s = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1850 | ||
28bf4b0b | 1851 | kind = (constraintExprKind) reader_getInt(&s); |
920a3797 | 1852 | |
1853 | free (os); | |
1854 | ||
1855 | switch (kind) | |
1856 | { | |
1857 | case term: | |
1858 | t = constraintTerm_undump (f); | |
1859 | ret = constraintExpr_makeTerm(t); | |
1860 | break; | |
1861 | case unaryExpr: | |
1862 | ret = unaryExpr_undump (f); | |
1863 | break; | |
1864 | case binaryexpr: | |
1865 | ret = binaryExpr_undump (f); | |
1866 | break; | |
1867 | } | |
1868 | ||
1869 | return ret; | |
1870 | ||
1871 | } |