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Commit | Line | Data |
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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 | ||
84 | ||
d46ce6a4 | 85 | /*@only@*/ constraintExpr constraintExpr_propagateConstants (/*@only@*/ constraintExpr expr, |
3aaedf88 | 86 | /*@out@*/ bool * propagate, |
87 | /*@out@*/ int *literal) | |
88 | { | |
89 | constraintExpr expr1; | |
90 | constraintExpr expr2; | |
91 | bool propagate1, propagate2; | |
92 | int literal1, literal2; | |
d46ce6a4 | 93 | constraintExprBinaryOpKind op; |
3aaedf88 | 94 | |
95 | propagate1 = FALSE; | |
96 | propagate2 = FALSE; | |
97 | ||
98 | literal1 = 0; | |
99 | literal2 = 0; | |
100 | ||
101 | *propagate = FALSE; | |
102 | *literal = 0; | |
103 | ||
dc92450f | 104 | llassert (expr != NULL); |
3aaedf88 | 105 | |
106 | // we simplify unaryExpr else where | |
d46ce6a4 | 107 | if (expr->kind != binaryexpr) |
3aaedf88 | 108 | return expr; |
109 | ||
d46ce6a4 | 110 | op = constraintExprData_binaryExprGetOp (expr->data); |
3aaedf88 | 111 | |
c3e695ff | 112 | DPRINTF( (message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 113 | |
114 | expr1 = constraintExprData_binaryExprGetExpr1(expr->data); | |
115 | expr2 = constraintExprData_binaryExprGetExpr2(expr->data); | |
116 | ||
d46ce6a4 | 117 | expr1 = constraintExpr_copy(expr1); |
118 | expr2 = constraintExpr_copy(expr2); | |
119 | ||
3aaedf88 | 120 | expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1); |
121 | expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2); | |
122 | ||
3aaedf88 | 123 | *propagate = propagate1 || propagate2; |
124 | *literal = literal1 + literal2; | |
125 | ||
126 | if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) ) | |
127 | { | |
128 | int t1, t2; | |
129 | t1 = constraintExpr_getValue (expr1); | |
130 | t2 = constraintExpr_getValue (expr2); | |
131 | *propagate = FALSE; | |
a8e557d3 | 132 | |
d46ce6a4 | 133 | constraintExpr_free (expr); |
134 | constraintExpr_free (expr1); | |
135 | constraintExpr_free (expr2); | |
136 | ||
137 | if (op == PLUS ) | |
3aaedf88 | 138 | return (constraintExpr_makeIntLiteral ( (t1+t2) )); |
d46ce6a4 | 139 | else if (op == MINUS) |
3aaedf88 | 140 | return (constraintExpr_makeIntLiteral ( (t1-t2) )); |
141 | else | |
d46ce6a4 | 142 | BADEXIT; |
3aaedf88 | 143 | } |
d46ce6a4 | 144 | |
145 | ||
146 | ||
3aaedf88 | 147 | |
148 | if (constraintExpr_isLit (expr1) ) | |
149 | { | |
3aaedf88 | 150 | *propagate = TRUE; |
d46ce6a4 | 151 | |
152 | if (op == PLUS ) | |
153 | *literal += constraintExpr_getValue (expr1); | |
154 | else | |
155 | *literal -= constraintExpr_getValue (expr1); | |
156 | ||
157 | constraintExpr_free(expr1); | |
158 | constraintExpr_free(expr); | |
3aaedf88 | 159 | return expr2; |
160 | } | |
161 | ||
3aaedf88 | 162 | if (constraintExpr_isLit (expr2) ) |
163 | { | |
164 | *propagate = TRUE; | |
a8e557d3 | 165 | |
d46ce6a4 | 166 | if ( op == PLUS ) |
3aaedf88 | 167 | *literal += constraintExpr_getValue (expr2); |
168 | else | |
169 | *literal -= constraintExpr_getValue (expr2); | |
d46ce6a4 | 170 | |
171 | constraintExpr_free(expr2); | |
172 | constraintExpr_free(expr); | |
3aaedf88 | 173 | return expr1; |
174 | } | |
3aaedf88 | 175 | |
c3e695ff | 176 | DPRINTF( (message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 177 | |
d46ce6a4 | 178 | expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1); |
179 | expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2); | |
180 | ||
3aaedf88 | 181 | return expr; |
182 | } | |
183 | ||
bb25bea6 | 184 | /*@only@*/ static constraintExpr constraintExpr_combineConstants (/*@only@*/ constraintExpr expr ) /*@modifies expr@*/ |
3aaedf88 | 185 | { |
186 | bool propagate; | |
187 | int literal; | |
188 | ||
c3e695ff | 189 | DPRINTF ( (message ("Before combine %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 190 | expr = constraintExpr_propagateConstants (expr, &propagate, &literal); |
191 | ||
192 | ||
193 | if (propagate) | |
194 | { | |
195 | constraintExpr ret; | |
196 | ||
197 | if (literal != 0) | |
198 | { | |
199 | ret = constraintExpr_makeBinaryOpConstraintExprIntLiteral (expr, literal); | |
200 | expr = ret; | |
201 | } | |
202 | } | |
c3e695ff | 203 | DPRINTF ( (message ("After combine %s", constraintExpr_unparse(expr) ) ) ); |
3aaedf88 | 204 | return expr; |
205 | } | |
c3e695ff | 206 | |
dc92450f | 207 | /*@special@*/ |
c3e695ff | 208 | static constraintExpr constraintExpr_alloc (void) /*@post:isnull result->data@*/ |
3aaedf88 | 209 | { |
210 | constraintExpr ret; | |
211 | ret = dmalloc (sizeof (*ret) ); | |
212 | ret->kind = term; | |
213 | ret->data = NULL; | |
214 | return ret; | |
215 | } | |
216 | ||
4ab867d6 | 217 | /*@only@*/ static constraintExprData copyExprData (/*@observer@*/ constraintExprData data, constraintExprKind kind) |
c3e695ff | 218 | { |
219 | constraintExprData ret; | |
220 | llassert(constraintExprData_isDefined(data)); | |
221 | ||
222 | switch (kind) | |
223 | { | |
224 | case binaryexpr: | |
225 | ret = constraintExprData_copyBinaryExpr(data); | |
226 | break; | |
227 | case unaryExpr: | |
228 | ret = constraintExprData_copyUnaryExpr(data); | |
229 | break; | |
230 | case term: | |
231 | ret = constraintExprData_copyTerm(data); | |
232 | break; | |
233 | default: | |
234 | BADEXIT; | |
235 | } | |
236 | return ret; | |
237 | } | |
3aaedf88 | 238 | |
239 | constraintExpr constraintExpr_copy (constraintExpr expr) | |
240 | { | |
241 | constraintExpr ret; | |
242 | ret = constraintExpr_alloc(); | |
243 | ret->kind = expr->kind; | |
c3e695ff | 244 | |
245 | ret->data = copyExprData (expr->data, expr->kind); | |
3aaedf88 | 246 | return ret; |
247 | } | |
248 | ||
249 | ||
28bf4b0b | 250 | /*@only@*/ static constraintExpr oldconstraintExpr_makeTermExprNode ( /*@dependent@*/ exprNode e) |
3aaedf88 | 251 | { |
252 | constraintExpr ret; | |
253 | constraintTerm t; | |
254 | ret = constraintExpr_alloc(); | |
255 | ret->kind = term; | |
256 | ret->data = dmalloc (sizeof *(ret->data) ); | |
257 | t = constraintTerm_makeExprNode (e); | |
258 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
259 | return ret; | |
260 | } | |
261 | ||
28bf4b0b | 262 | constraintExpr constraintExpr_makeExprNode (exprNode e) |
3aaedf88 | 263 | { |
264 | sRef s; | |
265 | constraintExpr ret, ce1, ce2; | |
266 | exprData data; | |
267 | exprNode t, t1, t2; | |
268 | lltok tok; | |
269 | ||
270 | ||
dc92450f | 271 | llassert (e != NULL); |
3aaedf88 | 272 | |
273 | data = e->edata; | |
274 | ||
275 | switch (e->kind) | |
276 | { | |
277 | case XPR_SIZEOF: | |
278 | t = exprData_getSingle (data); | |
279 | s = exprNode_getSref (t); | |
280 | if (sRef_isFixedArray(s) ) | |
281 | { | |
282 | int size; | |
283 | ||
dc92450f | 284 | size = (int) sRef_getArraySize(s); |
3aaedf88 | 285 | ret = constraintExpr_makeIntLiteral (size); |
286 | } | |
287 | else | |
288 | { | |
c3e695ff | 289 | DPRINTF ((message ("could not determine the size of %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 290 | ret = oldconstraintExpr_makeTermExprNode (e); |
291 | } | |
292 | break; | |
293 | ||
294 | case XPR_OP: | |
c3e695ff | 295 | DPRINTF ((message ("Examining operation %s", exprNode_unparse (e) ) ) ); |
3aaedf88 | 296 | t1 = exprData_getOpA (data); |
297 | t2 = exprData_getOpB (data); | |
298 | tok = exprData_getOpTok (data); | |
299 | ||
300 | if (lltok_isPlus_Op (tok) || lltok_isMinus_Op (tok) ) | |
301 | { | |
302 | ce1 = constraintExpr_makeExprNode (t1); | |
303 | ce2 = constraintExpr_makeExprNode (t2); | |
304 | ret = constraintExpr_parseMakeBinaryOp (ce1, tok, ce2); | |
305 | } | |
306 | else | |
307 | { | |
308 | ret = oldconstraintExpr_makeTermExprNode (e); | |
309 | } | |
310 | break; | |
311 | case XPR_PARENS: | |
312 | t = exprData_getUopNode (data); | |
313 | ret = constraintExpr_makeExprNode (t); | |
314 | break; | |
315 | ||
316 | case XPR_PREOP: | |
317 | t = exprData_getUopNode (data); | |
318 | tok = exprData_getUopTok (data); | |
319 | if (lltok_isInc_Op (tok) ) | |
320 | { | |
321 | constraintExpr temp; | |
322 | temp = constraintExpr_makeExprNode(t); | |
323 | ret = constraintExpr_makeIncConstraintExpr(temp); | |
324 | } | |
325 | else if (lltok_isDec_Op (tok) ) | |
326 | { | |
327 | constraintExpr temp; | |
328 | temp = constraintExpr_makeExprNode(t); | |
329 | ret = constraintExpr_makeDecConstraintExpr(temp); | |
330 | } | |
331 | else | |
332 | ret = oldconstraintExpr_makeTermExprNode (e); | |
333 | break; | |
334 | ||
335 | case XPR_POSTOP: | |
336 | t = exprData_getUopNode (data); | |
337 | ret = constraintExpr_makeExprNode (t); | |
338 | break; | |
470b7798 | 339 | case XPR_CAST: |
340 | t = exprData_getCastNode (data); | |
341 | ret = constraintExpr_makeExprNode (t); | |
342 | break; | |
343 | case XPR_COMMA: | |
344 | t = exprData_getPairA(data); | |
c3e695ff | 345 | ret = constraintExpr_makeExprNode(t); |
346 | /*@i3434*/ /*I'm not sure if this is right. I'm adding a break to quite LCLint*/ | |
347 | break; | |
3aaedf88 | 348 | default: |
349 | ret = oldconstraintExpr_makeTermExprNode (e); | |
350 | ||
351 | } | |
352 | return ret; | |
353 | } | |
354 | ||
355 | ||
4ab867d6 | 356 | /*@only@*/ static constraintExpr constraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e) |
3aaedf88 | 357 | { |
358 | return oldconstraintExpr_makeTermExprNode(e); //constraintExpr_makeExprNode (e); | |
359 | } | |
360 | ||
28bf4b0b | 361 | static constraintExpr constraintExpr_makeTerm (/*@only@*/ constraintTerm t) |
920a3797 | 362 | { |
363 | constraintExpr ret; | |
364 | ||
365 | ret = constraintExpr_alloc(); | |
366 | ret->kind = term; | |
367 | ret->data = dmalloc (sizeof *(ret->data) ); | |
368 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
369 | ||
370 | return ret; | |
371 | } | |
3aaedf88 | 372 | |
28bf4b0b | 373 | constraintExpr constraintExpr_makeTermsRef (/*@temp@*/ sRef s) |
3aaedf88 | 374 | { |
375 | constraintExpr ret; | |
376 | constraintTerm t; | |
377 | ret = constraintExpr_alloc(); | |
378 | ret->kind = term; | |
379 | ret->data = dmalloc (sizeof *(ret->data) ); | |
380 | t = constraintTerm_makesRef (s); | |
381 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
382 | return ret; | |
383 | } | |
384 | ||
920a3797 | 385 | /*@special@*/ static constraintExpr makeUnaryOpGeneric (void) /*@allocates result->data@*/ /*@defines result->kind@*/ |
3aaedf88 | 386 | { |
387 | constraintExpr ret; | |
388 | ret = constraintExpr_alloc(); | |
389 | ret->kind = unaryExpr; | |
390 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
391 | return ret; | |
392 | } | |
393 | ||
bb25bea6 | 394 | /*@only@*/ static constraintExpr constraintExpr_makeUnaryOpConstraintExpr (/*@only@*/ constraintExpr cexpr) |
3aaedf88 | 395 | { |
396 | constraintExpr ret; | |
920a3797 | 397 | ret = makeUnaryOpGeneric(); |
a8e557d3 | 398 | |
399 | /*@-uniondef@*/ | |
400 | /*@-compdef@*/ | |
401 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); | |
402 | ret->data = constraintExprData_unaryExprSetOp (ret->data, UNARYOP_UNDEFINED); | |
403 | ||
3aaedf88 | 404 | return ret; |
a8e557d3 | 405 | |
406 | /*@=compdef@*/ | |
c3e695ff | 407 | /*@=uniondef@*/ |
3aaedf88 | 408 | } |
409 | ||
920a3797 | 410 | |
411 | /*@only@*/ static constraintExpr constraintExpr_makeUnaryOp (/*@only@*/ constraintExpr cexpr, constraintExprUnaryOpKind Op ) | |
412 | { | |
413 | constraintExpr ret; | |
414 | ret = makeUnaryOpGeneric(); | |
415 | ||
416 | ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr); | |
417 | ret->data = constraintExprData_unaryExprSetOp (ret->data, Op); | |
418 | ||
419 | return ret; | |
420 | } | |
421 | ||
bb25bea6 | 422 | /*@only@*/ |
423 | static constraintExpr constraintExpr_makeMaxSetConstraintExpr (/*@only@*/ constraintExpr c) | |
3aaedf88 | 424 | { |
425 | constraintExpr ret; | |
920a3797 | 426 | ret = constraintExpr_makeUnaryOp (c, MAXSET); |
3aaedf88 | 427 | return ret; |
428 | } | |
429 | ||
bb25bea6 | 430 | /*@only@*/ |
4ab867d6 | 431 | static constraintExpr constraintExpr_makeUnaryOpExprNode (/*@exposed@*/ exprNode expr) |
3aaedf88 | 432 | { |
433 | constraintExpr ret; | |
434 | constraintExpr sub; | |
435 | sub = constraintExpr_makeExprNode (expr); | |
436 | ret = constraintExpr_makeUnaryOpConstraintExpr(sub); | |
d46ce6a4 | 437 | |
3aaedf88 | 438 | return ret; |
439 | } | |
440 | ||
441 | ||
442 | ||
bb25bea6 | 443 | /*@only@*/ |
28bf4b0b | 444 | static constraintExpr constraintExpr_makeSRefUnaryOp (/*@temp@*/ /*@observer@*/ sRef s, constraintExprUnaryOpKind op) |
3aaedf88 | 445 | { |
446 | constraintExpr ret; | |
447 | constraintExpr t; | |
448 | ||
449 | t = constraintExpr_makeTermsRef (s); | |
450 | ret = constraintExpr_makeUnaryOpConstraintExpr (t); | |
451 | ret->data = constraintExprData_unaryExprSetOp (ret->data, op); | |
d46ce6a4 | 452 | |
3aaedf88 | 453 | return ret; |
454 | } | |
455 | ||
bb25bea6 | 456 | /*@only@*/ |
28bf4b0b | 457 | constraintExpr constraintExpr_makeSRefMaxRead( sRef s) |
470b7798 | 458 | { |
459 | return (constraintExpr_makeSRefUnaryOp (s, MAXREAD) ); | |
460 | } | |
461 | ||
bb25bea6 | 462 | /*@only@*/ |
28bf4b0b | 463 | constraintExpr constraintExpr_makeSRefMaxset ( sRef s) |
3aaedf88 | 464 | { |
465 | return (constraintExpr_makeSRefUnaryOp (s, MAXSET) ); | |
466 | } | |
467 | ||
bb25bea6 | 468 | /*@only@*/ |
3aaedf88 | 469 | constraintExpr constraintExpr_parseMakeUnaryOp (lltok op, constraintExpr cexpr) |
470 | { | |
471 | constraintExpr ret; | |
472 | ret = constraintExpr_makeUnaryOpConstraintExpr ( cexpr); | |
473 | ||
474 | switch (op.tok) | |
475 | { | |
476 | case QMAXSET: | |
477 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET); | |
478 | break; | |
479 | case QMAXREAD: | |
480 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
481 | break; | |
482 | default: | |
dc92450f | 483 | llfatalbug(message("Unhandled Operation in Constraint") ); |
3aaedf88 | 484 | } |
485 | return ret; | |
486 | } | |
487 | ||
bb25bea6 | 488 | /*@only@*/ |
4ab867d6 | 489 | constraintExpr constraintExpr_makeMaxSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 490 | { |
491 | constraintExpr ret; | |
492 | ret = constraintExpr_makeExprNode (expr); | |
493 | ||
494 | ret = constraintExpr_makeMaxSetConstraintExpr (ret); | |
495 | ||
dc92450f | 496 | llassert (ret != NULL); |
3aaedf88 | 497 | return ret; |
498 | } | |
499 | ||
bb25bea6 | 500 | /*@only@*/ |
3aaedf88 | 501 | constraintExpr constraintExpr_makeMaxReadExpr (exprNode expr) |
502 | { | |
503 | constraintExpr ret; | |
504 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
505 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD); | |
506 | return ret; | |
507 | } | |
508 | ||
bb25bea6 | 509 | /*@only@*/ |
28bf4b0b | 510 | /*@unused@*/ static constraintExpr constraintExpr_makeMinSetExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 511 | { |
512 | constraintExpr ret; | |
513 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
514 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINSET); | |
515 | return ret; | |
516 | } | |
517 | ||
bb25bea6 | 518 | /*@only@*/ |
28bf4b0b | 519 | /*@unused@*/ static constraintExpr constraintExpr_makeMinReadExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 520 | { |
521 | constraintExpr ret; | |
522 | ret = constraintExpr_makeUnaryOpExprNode(expr); | |
523 | ret->data = constraintExprData_unaryExprSetOp (ret->data, MINREAD); | |
524 | return ret; | |
525 | } | |
526 | ||
527 | ||
bb25bea6 | 528 | /*@only@*/ |
4ab867d6 | 529 | constraintExpr constraintExpr_makeValueExpr (/*@exposed@*/ exprNode expr) |
3aaedf88 | 530 | { |
531 | constraintExpr ret; | |
532 | ret = constraintExpr_makeExprNode (expr); | |
533 | return ret; | |
534 | } | |
535 | ||
bb25bea6 | 536 | /*@only@*/ |
3aaedf88 | 537 | constraintExpr constraintExpr_makeIntLiteral (int i) |
538 | { | |
539 | constraintExpr ret; | |
540 | constraintTerm t; | |
541 | ret = constraintExpr_alloc(); | |
542 | ret->kind = term; | |
543 | ret->data = dmalloc (sizeof *(ret->data) ); | |
544 | t = constraintTerm_makeIntLiteral (i); | |
545 | ret->data = constraintExprData_termSetTerm (ret->data, t); | |
546 | return ret; | |
547 | } | |
548 | ||
c3e695ff | 549 | /* |
3aaedf88 | 550 | constraintExpr constraintExpr_makeValueInt (int i) |
551 | { | |
552 | return constraintExpr_makeIntLiteral (i); | |
553 | } | |
c3e695ff | 554 | */ |
3aaedf88 | 555 | |
bb25bea6 | 556 | /*@only@*/ |
28bf4b0b | 557 | /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) |
558 | /*@allocates result->data @*/ /*@sets result->kind @*/ | |
3aaedf88 | 559 | { |
560 | constraintExpr ret; | |
561 | ret = constraintExpr_alloc(); | |
562 | ret->kind = binaryexpr; | |
563 | ret->data = dmalloc ( sizeof *(ret->data) ); | |
28bf4b0b | 564 | // ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED); |
3aaedf88 | 565 | return ret; |
566 | } | |
567 | ||
568 | ||
bb25bea6 | 569 | static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExpr (/*@only@*/constraintExpr expr1, /*@only@*/ constraintExpr expr2) |
3aaedf88 | 570 | |
571 | { | |
572 | constraintExpr ret; | |
d46ce6a4 | 573 | |
3aaedf88 | 574 | ret = constraintExpr_makeBinaryOp(); |
575 | ret->data = constraintExprData_binaryExprSetExpr1 (ret->data, expr1); | |
576 | ret->data = constraintExprData_binaryExprSetExpr2 (ret->data, expr2); | |
84c9ffbf | 577 | ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED); |
3aaedf88 | 578 | return ret; |
579 | } | |
580 | ||
bb25bea6 | 581 | /*@only@*/ |
d46ce6a4 | 582 | constraintExpr constraintExpr_parseMakeBinaryOp (/*@only@*/ constraintExpr expr1, lltok op,/*@only@*/ constraintExpr expr2) |
3aaedf88 | 583 | { |
584 | constraintExpr ret; | |
585 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
586 | if (op.tok == TPLUS) | |
587 | ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS); | |
588 | else if (op.tok == TMINUS) | |
589 | ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS); | |
590 | else | |
591 | { | |
592 | llassert(FALSE); | |
593 | } | |
594 | return ret; | |
595 | } | |
596 | ||
bb25bea6 | 597 | /*@only@*/ |
28bf4b0b | 598 | /*@unused@*/ static constraintExpr constraintExpr_makeBinaryOpExprNode (/*@exposed@*/ exprNode expr1, /*@exposed@*/ exprNode expr2) |
3aaedf88 | 599 | { |
600 | constraintExpr ret; | |
601 | constraintExpr sub1, sub2; | |
602 | sub1 = constraintExpr_makeTermExprNode (expr1); | |
603 | sub2 = constraintExpr_makeTermExprNode (expr2); | |
604 | ret = constraintExpr_makeBinaryOpConstraintExpr(sub1, sub2); | |
605 | return ret; | |
606 | } | |
607 | ||
920a3797 | 608 | static /*@only@*/ |
d46ce6a4 | 609 | constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/ constraintExpr expr, int literal) |
3aaedf88 | 610 | { |
611 | constraintExpr ret; | |
612 | constraintExpr constExpr; | |
613 | ||
614 | constExpr = constraintExpr_makeIntLiteral (literal); | |
615 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, constExpr); | |
616 | ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS); | |
617 | return ret; | |
618 | } | |
619 | ||
bb25bea6 | 620 | /*@only@*/ |
d46ce6a4 | 621 | constraintExpr constraintExpr_makeDecConstraintExpr (/*@only@*/constraintExpr expr) |
3aaedf88 | 622 | { |
623 | constraintExpr ret; | |
624 | constraintExpr inc; | |
625 | ||
626 | inc = constraintExpr_makeIntLiteral (1); | |
627 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
628 | ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS); | |
629 | return ret; | |
630 | } | |
631 | ||
2934b455 | 632 | |
633 | /*@only@*/ constraintExpr constraintExpr_makeSubtractExpr (/*@only@*/ constraintExpr expr, /*@only@*/ constraintExpr addent) | |
634 | { | |
28bf4b0b | 635 | constraintExpr ret; |
2934b455 | 636 | |
637 | DPRINTF ( (message ("Making subtract expression") ) ); | |
638 | ||
28bf4b0b | 639 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
640 | ret->data = constraintExprData_binaryExprSetOp (ret->data, MINUS); | |
641 | return ret; | |
2934b455 | 642 | } |
643 | ||
bb25bea6 | 644 | /*@only@*/ |
2934b455 | 645 | constraintExpr constraintExpr_makeAddExpr (/*@only@*/ |
bb25bea6 | 646 | constraintExpr expr, /*@only@*/ |
2934b455 | 647 | constraintExpr addent) |
3aaedf88 | 648 | { |
28bf4b0b | 649 | constraintExpr ret; |
3aaedf88 | 650 | |
2934b455 | 651 | DPRINTF ( (message ("Doing addTerm simplification") ) ); |
3aaedf88 | 652 | |
28bf4b0b | 653 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent); |
654 | ret->data = constraintExprData_binaryExprSetOp (ret->data, PLUS); | |
655 | return ret; | |
3aaedf88 | 656 | } |
657 | ||
2934b455 | 658 | |
bb25bea6 | 659 | /*@only@*/ |
d46ce6a4 | 660 | constraintExpr constraintExpr_makeIncConstraintExpr (/*@only@*/ constraintExpr expr) |
3aaedf88 | 661 | { |
662 | constraintExpr ret; | |
663 | constraintExpr inc; | |
664 | ||
665 | inc = constraintExpr_makeIntLiteral (1); | |
666 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc); | |
667 | ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS); | |
668 | return ret; | |
669 | } | |
670 | ||
bb25bea6 | 671 | /*@only@*/ |
672 | static cstring constraintExprUnaryOpKind_print (constraintExprUnaryOpKind op) | |
3aaedf88 | 673 | { |
674 | switch (op) | |
675 | { | |
676 | case MAXSET: | |
677 | return message("MAXSET"); | |
678 | case MINSET: | |
679 | return message("MINSET"); | |
680 | case MAXREAD: | |
681 | return message("MAXREAD"); | |
682 | case MINREAD: | |
683 | return message("MINREAD"); | |
684 | default: | |
685 | llassert(FALSE); | |
686 | return message ("<(Unary OP OTHER>"); | |
687 | } | |
688 | } | |
689 | ||
690 | ||
bb25bea6 | 691 | /*@only@*/ |
692 | static cstring constraintExprBinaryOpKind_print (constraintExprBinaryOpKind op) | |
3aaedf88 | 693 | { |
694 | ||
695 | switch (op) | |
696 | { | |
697 | case PLUS: | |
698 | return message("+"); | |
699 | case MINUS: | |
700 | return message("-"); | |
dc92450f | 701 | |
702 | default: | |
703 | llassert(FALSE); | |
704 | return message ("<binary OP Unknown>"); | |
3aaedf88 | 705 | } |
3aaedf88 | 706 | } |
707 | ||
708 | bool constraintExpr_similar (constraintExpr expr1, constraintExpr expr2) | |
709 | { | |
710 | constraintExprKind kind; | |
711 | ||
712 | llassert (expr1 != NULL); | |
713 | llassert (expr2 != NULL); | |
714 | if (expr1->kind != expr2->kind) | |
715 | return FALSE; | |
716 | ||
717 | kind = expr1->kind; | |
718 | ||
719 | switch (kind) | |
720 | { | |
721 | case term: | |
722 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
723 | constraintExprData_termGetTerm(expr2->data) ); | |
c3e695ff | 724 | /*@notreached@*/ break; |
3aaedf88 | 725 | |
726 | case unaryExpr: | |
727 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
728 | return FALSE; | |
729 | ||
730 | return (constraintExpr_similar ( | |
731 | constraintExprData_unaryExprGetExpr (expr1->data), | |
732 | constraintExprData_unaryExprGetExpr (expr2->data) | |
733 | )); | |
734 | ||
735 | case binaryexpr: | |
736 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
737 | return FALSE; | |
738 | ||
739 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
740 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
741 | return FALSE; | |
742 | ||
743 | if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
744 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
745 | return FALSE; | |
746 | else | |
747 | return TRUE; | |
748 | /*@notreached@*/ | |
749 | break; | |
750 | ||
751 | default: | |
752 | llassert(FALSE); | |
753 | return FALSE; | |
754 | } | |
755 | /*@notreached@*/ | |
756 | return FALSE; | |
757 | } | |
758 | ||
759 | bool constraintExpr_same (constraintExpr expr1, constraintExpr expr2) | |
760 | { | |
761 | constraintExprKind kind; | |
762 | ||
763 | llassert (expr1 != NULL); | |
764 | llassert (expr2 != NULL); | |
765 | if (expr1->kind != expr2->kind) | |
766 | return FALSE; | |
767 | ||
768 | kind = expr1->kind; | |
769 | ||
770 | switch (kind) | |
771 | { | |
772 | case term: | |
773 | return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data), | |
774 | constraintExprData_termGetTerm(expr2->data) ); | |
dc92450f | 775 | /*@notreached@*/ break; |
3aaedf88 | 776 | |
777 | case unaryExpr: | |
778 | if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) ) | |
779 | return FALSE; | |
780 | ||
781 | return (constraintExpr_same ( | |
782 | constraintExprData_unaryExprGetExpr (expr1->data), | |
783 | constraintExprData_unaryExprGetExpr (expr2->data) | |
784 | )); | |
785 | ||
786 | ||
787 | case binaryexpr: | |
788 | if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) ) | |
789 | return FALSE; | |
790 | ||
791 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr1 (expr1->data), | |
792 | constraintExprData_binaryExprGetExpr1 (expr2->data)) ) | |
793 | return FALSE; | |
794 | ||
795 | if (! constraintExpr_same (constraintExprData_binaryExprGetExpr2 (expr1->data), | |
796 | constraintExprData_binaryExprGetExpr2 (expr2->data)) ) | |
797 | return FALSE; | |
798 | else | |
799 | return TRUE; | |
dc92450f | 800 | /*@notreached@*/ break; |
3aaedf88 | 801 | |
802 | default: | |
803 | llassert(FALSE); | |
804 | return FALSE; | |
805 | } | |
806 | ||
807 | /*@notreached@*/ | |
808 | BADEXIT; | |
809 | } | |
810 | ||
bb25bea6 | 811 | bool constraintExpr_search (/*@observer@*/ constraintExpr c, /*@observer@*/ constraintExpr old) |
3aaedf88 | 812 | { |
813 | bool ret = FALSE; | |
814 | constraintExprKind kind; | |
815 | constraintExpr temp; | |
816 | ||
817 | if ( constraintExpr_similar (c, old) ) | |
818 | { | |
bb25bea6 | 819 | DPRINTF((message ("Found %q", |
3aaedf88 | 820 | constraintExpr_unparse(old) |
821 | ))); | |
822 | return TRUE; | |
823 | } | |
824 | ||
825 | kind = c->kind; | |
826 | ||
827 | switch (kind) | |
828 | { | |
829 | case term: | |
830 | break; | |
831 | case unaryExpr: | |
832 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
833 | ret = ret || constraintExpr_search (temp, old); | |
834 | break; | |
835 | case binaryexpr: | |
836 | ||
837 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
838 | ret = ret || constraintExpr_search(temp, old); | |
839 | ||
840 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
841 | ret = ret || constraintExpr_search(temp, old); | |
842 | break; | |
843 | default: | |
844 | llassert(FALSE); | |
845 | } | |
846 | return ret; | |
847 | ||
848 | } | |
849 | ||
850 | ||
28bf4b0b | 851 | /*@only@*/ constraintExpr constraintExpr_searchandreplace (/*@only@*/ /*@unique@*/ constraintExpr c, /*@temp@*/ constraintExpr old, /*@temp@*/ constraintExpr newExpr ) |
3aaedf88 | 852 | { |
853 | constraintExprKind kind; | |
854 | constraintExpr temp; | |
855 | ||
856 | if ( constraintExpr_similar (c, old) ) | |
857 | { | |
bb25bea6 | 858 | |
470b7798 | 859 | DPRINTF((message ("Replacing %s with %s", |
28bf4b0b | 860 | constraintExpr_unparse(old), constraintExpr_unparse(newExpr) |
3aaedf88 | 861 | ))); |
bb25bea6 | 862 | constraintExpr_free(c); |
28bf4b0b | 863 | return constraintExpr_copy (newExpr); |
3aaedf88 | 864 | } |
865 | ||
866 | kind = c->kind; | |
867 | ||
868 | switch (kind) | |
869 | { | |
870 | case term: | |
871 | break; | |
872 | case unaryExpr: | |
873 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 874 | temp = constraintExpr_copy(temp); |
28bf4b0b | 875 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 876 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); |
877 | break; | |
878 | case binaryexpr: | |
879 | ||
880 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 881 | temp = constraintExpr_copy(temp); |
28bf4b0b | 882 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 883 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); |
884 | ||
885 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 886 | temp = constraintExpr_copy(temp); |
28bf4b0b | 887 | temp = constraintExpr_searchandreplace (temp, old, newExpr); |
3aaedf88 | 888 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); |
889 | break; | |
890 | default: | |
891 | llassert(FALSE); | |
892 | } | |
893 | return c; | |
894 | ||
895 | } | |
896 | ||
bb25bea6 | 897 | static constraintExpr constraintExpr_simplifyChildren (/*@returned@*/ constraintExpr c) |
3aaedf88 | 898 | { |
899 | constraintExprKind kind; | |
900 | constraintExpr temp; | |
901 | ||
902 | kind = c->kind; | |
903 | ||
904 | switch (kind) | |
905 | { | |
906 | case term: | |
907 | break; | |
908 | case unaryExpr: | |
909 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 910 | temp = constraintExpr_copy(temp); |
3aaedf88 | 911 | temp = constraintExpr_simplify (temp); |
912 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
913 | break; | |
914 | case binaryexpr: | |
c3e695ff | 915 | DPRINTF((message("constraintExpr_simplfiyChildren: simplify binary expression: %s",constraintExpr_unparse(c) ) ) ); |
3aaedf88 | 916 | temp = constraintExprData_binaryExprGetExpr1 (c->data); |
d46ce6a4 | 917 | temp = constraintExpr_copy(temp); |
3aaedf88 | 918 | temp = constraintExpr_simplify (temp); |
919 | ||
920 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
921 | ||
922 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 923 | temp = constraintExpr_copy(temp); |
3aaedf88 | 924 | temp = constraintExpr_simplify (temp); |
925 | ||
926 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
927 | break; | |
928 | default: | |
929 | llassert(FALSE); | |
930 | } | |
931 | return c; | |
932 | ||
933 | } | |
934 | ||
935 | ||
28bf4b0b | 936 | constraintExpr constraintExpr_setFileloc (/*@returned@*/ constraintExpr c, fileloc loc) /*@modifies c @*/ |
3aaedf88 | 937 | { |
938 | constraintTerm t; | |
939 | constraintExpr temp; | |
940 | ||
dc92450f | 941 | llassert(c != NULL); |
3aaedf88 | 942 | |
943 | switch (c->kind) | |
944 | { | |
945 | case term: | |
946 | t = constraintExprData_termGetTerm (c->data); | |
d46ce6a4 | 947 | t = constraintTerm_copy(t); |
3aaedf88 | 948 | t = constraintTerm_setFileloc (t, loc); |
949 | c->data = constraintExprData_termSetTerm (c->data, t); | |
950 | break; | |
951 | case binaryexpr: | |
952 | ||
953 | temp = constraintExprData_binaryExprGetExpr1 (c->data); | |
d46ce6a4 | 954 | temp = constraintExpr_copy(temp); |
3aaedf88 | 955 | temp = constraintExpr_setFileloc (temp, loc); |
956 | c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp); | |
957 | ||
958 | temp = constraintExprData_binaryExprGetExpr2 (c->data); | |
d46ce6a4 | 959 | temp = constraintExpr_copy(temp); |
3aaedf88 | 960 | temp = constraintExpr_setFileloc (temp, loc); |
961 | c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp); | |
962 | break; | |
963 | case unaryExpr: | |
964 | temp = constraintExprData_unaryExprGetExpr (c->data); | |
d46ce6a4 | 965 | temp = constraintExpr_copy(temp); |
3aaedf88 | 966 | temp = constraintExpr_setFileloc (temp, loc); |
967 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp); | |
968 | break; | |
969 | } | |
970 | return c; | |
971 | } | |
972 | ||
bb25bea6 | 973 | static /*@only@*/ constraintExpr constraintExpr_simplifybinaryExpr (/*@only@*/constraintExpr c) |
3aaedf88 | 974 | { |
975 | constraintExpr e1, e2; | |
976 | ||
977 | e1 = constraintExprData_binaryExprGetExpr1 (c->data); | |
978 | e2 = constraintExprData_binaryExprGetExpr2 (c->data); | |
979 | ||
980 | if (constraintExpr_canGetValue (e1) && constraintExpr_canGetValue(e2) ) | |
981 | { | |
982 | int i; | |
983 | ||
984 | i = constraintExpr_getValue(e1) + constraintExpr_getValue (e2); | |
d46ce6a4 | 985 | constraintExpr_free(c); |
3aaedf88 | 986 | c = constraintExpr_makeIntLiteral (i); |
987 | ||
988 | } | |
989 | return c; | |
990 | } | |
991 | ||
bb25bea6 | 992 | /* |
993 | this thing takes the lexpr and expr of a constraint and modifies lexpr | |
994 | and returns a (possiblly new) value for expr | |
995 | */ | |
996 | /* 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 */ | |
997 | ||
998 | /* the approach is a little Kludgy but seems to work. I should probably use something cleaner at some point ... */ | |
999 | ||
1000 | ||
1001 | /*@only@*/ constraintExpr constraintExpr_solveBinaryExpr (constraintExpr lexpr, /*@only@*/ constraintExpr expr) | |
3aaedf88 | 1002 | { |
1003 | constraintExpr expr1, expr2; | |
1004 | constraintExprBinaryOpKind op; | |
1005 | ||
1006 | if (lexpr->kind != binaryexpr) | |
1007 | return expr; | |
1008 | ||
1009 | expr2 = constraintExprData_binaryExprGetExpr2 (lexpr->data); | |
1010 | expr1 = constraintExprData_binaryExprGetExpr1 (lexpr->data); | |
bb25bea6 | 1011 | |
3aaedf88 | 1012 | op = constraintExprData_binaryExprGetOp (lexpr->data); |
1013 | ||
bb25bea6 | 1014 | expr1 = constraintExpr_copy(expr1); |
1015 | expr2 = constraintExpr_copy(expr2); | |
1016 | ||
28bf4b0b | 1017 | //drl possible problem : warning make sure this works |
c3e695ff | 1018 | |
1019 | lexpr->kind = expr1->kind; | |
d46ce6a4 | 1020 | free (lexpr->data); |
1021 | ||
c3e695ff | 1022 | lexpr->data = copyExprData (expr1->data, expr1->kind); |
28bf4b0b | 1023 | constraintExpr_free(expr1); |
c3e695ff | 1024 | |
1025 | if (op == PLUS) | |
2934b455 | 1026 | expr = constraintExpr_makeSubtractExpr (expr, expr2); |
bb25bea6 | 1027 | else if (op == MINUS) |
2934b455 | 1028 | expr = constraintExpr_makeAddExpr (expr, expr2); |
bb25bea6 | 1029 | else |
1030 | BADEXIT; | |
1031 | ||
c3e695ff | 1032 | |
1033 | return expr; | |
bb25bea6 | 1034 | |
c3e695ff | 1035 | /* |
1036 | #warning this needs to be checked | |
1037 | expr = constraintExpr_solveBinaryExpr (expr1, expr); | |
1038 | ||
1039 | expr = constraintExpr_solveBinaryExpr (expr2, expr); | |
1040 | return expr; | |
1041 | */ | |
3aaedf88 | 1042 | } |
1043 | ||
bb25bea6 | 1044 | static /*@only@*/ constraintExpr constraintExpr_simplifyunaryExpr (/*@only@*/ constraintExpr c) |
3aaedf88 | 1045 | { |
1046 | constraintExpr exp; | |
1047 | ||
1048 | llassert (c->kind == unaryExpr); | |
1049 | ||
c3e695ff | 1050 | DPRINTF ( (message ("Doing constraintExpr_simplifyunaryExpr:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1051 | |
1052 | if ( (constraintExprData_unaryExprGetOp (c->data) != MAXSET) && | |
1053 | (constraintExprData_unaryExprGetOp (c->data) != MAXREAD) ) | |
1054 | { | |
1055 | return c; | |
1056 | } | |
1057 | // pattern mxr ( var + const) = mxr(var) - const | |
1058 | ||
1059 | exp = constraintExprData_unaryExprGetExpr (c->data); | |
1060 | ||
1061 | if (exp->kind == term) | |
1062 | { | |
1063 | constraintTerm cterm; | |
1064 | ||
1065 | cterm = constraintExprData_termGetTerm (exp->data); | |
1066 | ||
1067 | if (constraintTerm_isStringLiteral(cterm) ) | |
1068 | { | |
1069 | cstring val; | |
1070 | val = constraintTerm_getStringLiteral (cterm); | |
1071 | if (constraintExprData_unaryExprGetOp (c->data) == MAXSET) | |
1072 | { | |
d46ce6a4 | 1073 | constraintExpr temp; |
1074 | ||
28bf4b0b | 1075 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1076 | cstring_free(val); |
1077 | constraintExpr_free(c); | |
1078 | return temp; | |
3aaedf88 | 1079 | } |
1080 | if (constraintExprData_unaryExprGetOp (c->data) == MAXREAD) | |
1081 | { | |
d46ce6a4 | 1082 | constraintExpr temp; |
1083 | ||
28bf4b0b | 1084 | temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) ); |
d46ce6a4 | 1085 | cstring_free(val); |
1086 | constraintExpr_free(c); | |
1087 | return temp; | |
3aaedf88 | 1088 | } |
1089 | BADEXIT; | |
1090 | } | |
1091 | return c; | |
1092 | } | |
1093 | ||
1094 | if (exp->kind != binaryexpr) | |
1095 | return c; | |
1096 | ||
1097 | if (constraintExprData_binaryExprGetOp (exp->data) == PLUS ) | |
1098 | { | |
1099 | ||
1100 | // if (constraintExpr_canGetValue (constraintExprData_binaryExprGetExpr2 (exp->data) ) ) | |
1101 | { | |
1102 | ||
4ab867d6 | 1103 | constraintExpr temp, temp2; |
3aaedf88 | 1104 | |
1105 | DPRINTF ( (message ("Doing fancy simplification") ) ); | |
1106 | ||
1107 | temp = constraintExprData_binaryExprGetExpr2 (exp->data); | |
1108 | ||
1109 | temp2 = constraintExprData_binaryExprGetExpr1 (exp->data); | |
d46ce6a4 | 1110 | |
1111 | temp2 = constraintExpr_copy(temp2); | |
3aaedf88 | 1112 | c->data = constraintExprData_unaryExprSetExpr (c->data, temp2); |
1113 | ||
1114 | ||
bb25bea6 | 1115 | temp = constraintExpr_copy (temp); |
1116 | ||
2934b455 | 1117 | c = constraintExpr_makeSubtractExpr (c, temp); |
3aaedf88 | 1118 | |
4ab867d6 | 1119 | DPRINTF ( (message ("Done fancy simplification:%s", constraintExpr_unparse (c) ) ) ); |
3aaedf88 | 1120 | } |
1121 | } | |
1122 | ||
1123 | DPRINTF ( (message ("Done simplification:%s", constraintExpr_unparse (c) ) ) ); | |
1124 | return c; | |
1125 | } | |
1126 | ||
1127 | ||
bb25bea6 | 1128 | /*@only@*/ constraintExpr constraintExpr_simplify (/*@only@*/ constraintExpr c) |
3aaedf88 | 1129 | { |
1130 | constraintExprKind kind; | |
bb25bea6 | 1131 | constraintExpr ret; |
3aaedf88 | 1132 | constraintTerm t; |
3aaedf88 | 1133 | |
c3e695ff | 1134 | DPRINTF ( (message ("Doing constraintExpr_simplify:%s", constraintExpr_unparse (c) ) ) ); |
bb25bea6 | 1135 | |
3aaedf88 | 1136 | |
bb25bea6 | 1137 | /*@i22*/ |
3aaedf88 | 1138 | |
bb25bea6 | 1139 | /*I think this is an LCLint bug */ |
1140 | ||
1141 | ret = constraintExpr_copy(c); | |
1142 | ||
1143 | constraintExpr_free(c); | |
1144 | ||
1145 | ret = constraintExpr_simplifyChildren (ret); | |
1146 | ||
1147 | ret = constraintExpr_combineConstants (ret); | |
1148 | ||
1149 | ret = constraintExpr_simplifyChildren (ret); | |
1150 | ||
1151 | ||
1152 | kind = ret->kind; | |
3aaedf88 | 1153 | |
1154 | switch (kind) | |
1155 | { | |
1156 | case term: | |
bb25bea6 | 1157 | t = constraintExprData_termGetTerm (ret->data); |
d46ce6a4 | 1158 | t = constraintTerm_copy(t); |
3aaedf88 | 1159 | t = constraintTerm_simplify (t); |
bb25bea6 | 1160 | ret->data = constraintExprData_termSetTerm (ret->data, t); |
3aaedf88 | 1161 | break; |
1162 | case unaryExpr: | |
bb25bea6 | 1163 | ret = constraintExpr_simplifyunaryExpr (ret); |
3aaedf88 | 1164 | break; |
1165 | case binaryexpr: | |
bb25bea6 | 1166 | ret = constraintExpr_simplifybinaryExpr (ret); |
3aaedf88 | 1167 | break; |
1168 | default: | |
1169 | llassert(FALSE); | |
bb25bea6 | 1170 | } |
1171 | ||
1172 | DPRINTF ( (message ("constraintExpr_simplify returning :%s", constraintExpr_unparse (ret) ) ) ); | |
1173 | return ret; | |
3aaedf88 | 1174 | |
1175 | } | |
1176 | ||
bb25bea6 | 1177 | /*@only@*/ |
4ab867d6 | 1178 | cstring constraintExpr_unparse (/*@temp@*/ /*@observer@*/ constraintExpr ex) /*@*/ |
3aaedf88 | 1179 | { |
1180 | cstring st; | |
1181 | constraintExprKind kind; | |
1182 | ||
1183 | llassert (ex != NULL); | |
1184 | ||
1185 | kind = ex->kind; | |
1186 | ||
1187 | switch (kind) | |
1188 | { | |
1189 | case term: | |
d46ce6a4 | 1190 | st = message ("(%q) ", constraintTerm_print (constraintExprData_termGetTerm(ex->data) ) ); |
3aaedf88 | 1191 | break; |
1192 | case unaryExpr: | |
d46ce6a4 | 1193 | st = message ("%q (%q)", |
3aaedf88 | 1194 | constraintExprUnaryOpKind_print (constraintExprData_unaryExprGetOp (ex->data) |
1195 | ), | |
1196 | constraintExpr_unparse (constraintExprData_unaryExprGetExpr (ex->data) ) | |
1197 | ); | |
1198 | break; | |
1199 | case binaryexpr: | |
d46ce6a4 | 1200 | st = message ("(%q) %q (%q)", |
3aaedf88 | 1201 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ), |
1202 | constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data) | |
1203 | ), | |
1204 | constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) ) | |
1205 | ); | |
1206 | break; | |
1207 | default: | |
1208 | llassert(FALSE); | |
1209 | st = message ("error"); | |
1210 | ||
1211 | } | |
1212 | ||
1213 | DPRINTF((message ("constraintExpr_unparse: '%s'",st) ) ); | |
1214 | return st; | |
1215 | } | |
1216 | ||
1217 | constraintExpr constraintExpr_doSRefFixBaseParam (/*@returned@*/ constraintExpr expr, exprNodeList arglist) | |
1218 | { | |
1219 | constraintTerm Term; | |
1220 | constraintExprKind kind; | |
1221 | constraintExpr expr1, expr2; | |
1222 | constraintExprData data; | |
1223 | llassert (expr != NULL); | |
1224 | ||
1225 | data = expr->data; | |
1226 | ||
1227 | kind = expr->kind; | |
1228 | ||
1229 | switch (kind) | |
1230 | { | |
1231 | case term: | |
1232 | Term = constraintExprData_termGetTerm(data); | |
d46ce6a4 | 1233 | Term = constraintTerm_copy(Term); |
1234 | ||
3aaedf88 | 1235 | Term = constraintTerm_doSRefFixBaseParam (Term, arglist); |
1236 | data = constraintExprData_termSetTerm(data, Term); | |
1237 | break; | |
1238 | case unaryExpr: | |
1239 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1240 | expr1 = constraintExpr_copy(expr1); |
1241 | ||
3aaedf88 | 1242 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1243 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1244 | break; | |
1245 | case binaryexpr: | |
1246 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1247 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1248 | ||
d46ce6a4 | 1249 | expr1 = constraintExpr_copy(expr1); |
1250 | expr2 = constraintExpr_copy(expr2); | |
1251 | ||
3aaedf88 | 1252 | expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist); |
1253 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1254 | expr2 = constraintExpr_doSRefFixBaseParam (expr2, arglist); | |
1255 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1256 | ||
1257 | break; | |
1258 | default: | |
1259 | llassert(FALSE); | |
1260 | data = NULL; | |
1261 | } | |
1262 | return expr; | |
1263 | } | |
1264 | ||
d46ce6a4 | 1265 | /*@only@*/ constraintExpr constraintExpr_doSRefFixConstraintParam (/*@only@*/ constraintExpr expr, exprNodeList arglist) /*@modifies expr@*/ |
3aaedf88 | 1266 | { |
1267 | constraintExprKind kind; | |
1268 | constraintExpr expr1, expr2; | |
1269 | constraintExprData data; | |
1270 | llassert (expr != NULL); | |
1271 | ||
1272 | data = expr->data; | |
1273 | ||
1274 | kind = expr->kind; | |
1275 | ||
1276 | switch (kind) | |
1277 | { | |
1278 | case term: | |
c3e695ff | 1279 | expr = doSRefFixConstraintParamTerm (expr, arglist); |
3aaedf88 | 1280 | break; |
1281 | case unaryExpr: | |
1282 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1283 | expr1 = constraintExpr_copy(expr1); |
3aaedf88 | 1284 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1285 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1286 | break; | |
1287 | case binaryexpr: | |
1288 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1289 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1290 | ||
d46ce6a4 | 1291 | expr1 = constraintExpr_copy(expr1); |
1292 | expr2 = constraintExpr_copy(expr2); | |
1293 | ||
3aaedf88 | 1294 | expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist); |
1295 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1296 | expr2 = constraintExpr_doSRefFixConstraintParam (expr2, arglist); | |
1297 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1298 | ||
1299 | break; | |
1300 | default: | |
1301 | llassert(FALSE); | |
1302 | data = NULL; | |
1303 | } | |
1304 | return expr; | |
1305 | } | |
1306 | ||
28bf4b0b | 1307 | /*@only@*/ constraintExpr constraintExpr_doFixResult (/*@only@*/ constraintExpr expr, /*@observer@*/ exprNode fcnCall) |
3aaedf88 | 1308 | { |
1309 | constraintExprKind kind; | |
1310 | constraintExpr expr1, expr2; | |
1311 | constraintExprData data; | |
1312 | llassert (expr != NULL); | |
1313 | ||
1314 | data = expr->data; | |
1315 | ||
1316 | kind = expr->kind; | |
1317 | ||
1318 | switch (kind) | |
1319 | { | |
1320 | case term: | |
c3e695ff | 1321 | expr = doFixResultTerm (expr, fcnCall); |
3aaedf88 | 1322 | break; |
1323 | case unaryExpr: | |
1324 | expr1 = constraintExprData_unaryExprGetExpr (data); | |
d46ce6a4 | 1325 | expr1 = constraintExpr_copy(expr1); |
1326 | ||
3aaedf88 | 1327 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1328 | data = constraintExprData_unaryExprSetExpr (data, expr1); | |
1329 | break; | |
1330 | case binaryexpr: | |
1331 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1332 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1333 | ||
d46ce6a4 | 1334 | expr1 = constraintExpr_copy(expr1); |
1335 | expr2 = constraintExpr_copy(expr2); | |
1336 | ||
3aaedf88 | 1337 | expr1 = constraintExpr_doFixResult (expr1, fcnCall); |
1338 | data = constraintExprData_binaryExprSetExpr1 (data, expr1); | |
1339 | expr2 = constraintExpr_doFixResult (expr2, fcnCall); | |
1340 | data = constraintExprData_binaryExprSetExpr2 (data, expr2); | |
1341 | ||
1342 | break; | |
1343 | default: | |
1344 | llassert(FALSE); | |
1345 | data = NULL; | |
1346 | } | |
1347 | return expr; | |
1348 | } | |
1349 | ||
dc92450f | 1350 | cstring constraintExpr_print (constraintExpr expr) /*@*/ |
3aaedf88 | 1351 | { |
1352 | return constraintExpr_unparse(expr); | |
1353 | } | |
1354 | ||
dc92450f | 1355 | bool constraintExpr_hasMaxSet (constraintExpr expr) /*@*/ |
3aaedf88 | 1356 | { |
1357 | cstring t; | |
1358 | ||
1359 | t = constraintExpr_unparse(expr); | |
1360 | ||
28bf4b0b | 1361 | if (cstring_containsLit(t, "MAXSET") != NULL ) |
d46ce6a4 | 1362 | { |
1363 | cstring_free(t); | |
1364 | return (TRUE); | |
1365 | } | |
c3e695ff | 1366 | else |
d46ce6a4 | 1367 | { |
1368 | cstring_free(t); | |
1369 | return FALSE; | |
1370 | } | |
3aaedf88 | 1371 | } |
1372 | ||
1373 | ||
1374 | ||
1375 | /*returns 1 0 -1 like strcmp | |
1376 | 1 => expr1 > expr2 | |
1377 | 0 => expr1 == expr2 | |
1378 | -1 => expr1 < expr2 | |
1379 | */ | |
1380 | int constraintExpr_compare (constraintExpr expr1, constraintExpr expr2) | |
1381 | { | |
1382 | int value1, value2; | |
1383 | ||
1384 | if (constraintExpr_similar (expr1, expr2) ) | |
1385 | { | |
1386 | return 0; | |
1387 | } | |
1388 | value1 = constraintExpr_getValue(expr1); | |
1389 | value2 = constraintExpr_getValue(expr2); | |
1390 | ||
1391 | if (value1 > value2) | |
1392 | return 1; | |
1393 | ||
1394 | if (value1 == value2) | |
1395 | return 0; | |
1396 | ||
1397 | else | |
1398 | return -1; | |
1399 | } | |
1400 | ||
1401 | int constraintExpr_getValue (constraintExpr expr) | |
1402 | { | |
1403 | llassert (expr->kind == term); | |
1404 | return (constraintTerm_getValue (constraintExprData_termGetTerm (expr->data) ) ); | |
1405 | } | |
1406 | ||
1407 | bool constraintExpr_canGetValue (constraintExpr expr) | |
1408 | { | |
1409 | switch (expr->kind) | |
1410 | { | |
1411 | case term: | |
1412 | return constraintTerm_canGetValue (constraintExprData_termGetTerm (expr->data) ); | |
1413 | default: | |
1414 | return FALSE; | |
1415 | ||
1416 | } | |
c3e695ff | 1417 | |
1418 | BADEXIT; | |
3aaedf88 | 1419 | } |
1420 | ||
3aaedf88 | 1421 | fileloc constraintExpr_getFileloc (constraintExpr expr) |
1422 | { | |
1423 | constraintExpr e; | |
1424 | constraintTerm t; | |
1425 | constraintExprKind kind; | |
1426 | ||
1427 | kind = expr->kind; | |
1428 | ||
1429 | switch (kind) | |
1430 | { | |
1431 | case term: | |
1432 | t = constraintExprData_termGetTerm (expr->data); | |
1433 | return (constraintTerm_getFileloc (t) ); | |
c3e695ff | 1434 | /*@notreached@*/ |
3aaedf88 | 1435 | break; |
1436 | case unaryExpr: | |
1437 | e = constraintExprData_unaryExprGetExpr (expr->data); | |
1438 | return (constraintExpr_getFileloc (e) ); | |
c3e695ff | 1439 | /*@notreached@*/ |
3aaedf88 | 1440 | break; |
1441 | case binaryexpr: | |
1442 | e = constraintExprData_binaryExprGetExpr1 (expr->data); | |
1443 | return (constraintExpr_getFileloc (e) ); | |
c3e695ff | 1444 | /*@notreached@*/ |
1445 | break; | |
3aaedf88 | 1446 | } |
1447 | llassert (FALSE); | |
3aaedf88 | 1448 | return (fileloc_undefined); |
1449 | } | |
1450 | ||
c3e695ff | 1451 | /*drl moved from constriantTerm.c 5/20/001*/ |
4ab867d6 | 1452 | static /*@only@*/ constraintExpr |
1453 | doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall) | |
c3e695ff | 1454 | { |
1455 | constraintTerm t; | |
1456 | sRef s; | |
1457 | /*maybe this should move to cosntraintExpr.c -drl7x 5/18/01*/ | |
1458 | /*@i22*/ constraintExprData data = e->data; | |
1459 | ||
1460 | /*@i22*/constraintExprKind kind = e->kind; | |
1461 | ||
1462 | constraintExpr ret; | |
1463 | ||
1464 | llassert(kind == term); | |
1465 | ||
1466 | t = constraintExprData_termGetTerm (data); | |
28bf4b0b | 1467 | llassert (constraintTerm_isDefined(t) ); |
c3e695ff | 1468 | |
1469 | ret = e; | |
a8e557d3 | 1470 | switch (constraintTerm_getKind(t) ) |
c3e695ff | 1471 | { |
1472 | case EXPRNODE: | |
1473 | break; | |
1474 | case INTLITERAL: | |
1475 | break; | |
1476 | ||
1477 | case SREF: | |
a8e557d3 | 1478 | s = constraintTerm_getSRef(t); |
c3e695ff | 1479 | if (sRef_isResult (s)) |
1480 | { | |
1481 | ret = constraintExpr_makeExprNode(fcnCall); | |
4ab867d6 | 1482 | constraintExpr_free(e); |
1483 | e = NULL; | |
1484 | } | |
1485 | else | |
1486 | { | |
1487 | e = NULL; | |
c3e695ff | 1488 | } |
1489 | break; | |
1490 | default: | |
1491 | BADEXIT; | |
1492 | } | |
1493 | ||
1494 | return ret; | |
1495 | ||
1496 | } | |
1497 | ||
1498 | /*drl moved from constriantTerm.c 5/20/001*/ | |
d46ce6a4 | 1499 | /*@only@*/ static constraintExpr |
4ab867d6 | 1500 | doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@observer@*/ /*@temp@*/ exprNodeList arglist) |
c3e695ff | 1501 | { |
1502 | constraintTerm t; | |
1503 | ||
d46ce6a4 | 1504 | constraintExprData data = e->data; |
c3e695ff | 1505 | |
d46ce6a4 | 1506 | constraintExprKind kind = e->kind; |
c3e695ff | 1507 | |
1508 | constraintExpr ret; | |
1509 | ||
1510 | llassert(kind == term); | |
1511 | ||
1512 | t = constraintExprData_termGetTerm (data); | |
28bf4b0b | 1513 | llassert (constraintTerm_isDefined(t) ); |
c3e695ff | 1514 | |
1515 | ret = e; | |
84c9ffbf | 1516 | /*@i1*/ switch (t->kind) |
c3e695ff | 1517 | { |
1518 | case EXPRNODE: | |
bb25bea6 | 1519 | DPRINTF((message ("%q @ %q ", constraintTerm_print(t), |
1520 | fileloc_unparse (constraintTerm_getFileloc(t) ) ) )); | |
c3e695ff | 1521 | break; |
1522 | case INTLITERAL: | |
bb25bea6 | 1523 | DPRINTF((message (" %q ", constraintTerm_print (t)) )); |
d46ce6a4 | 1524 | break; |
c3e695ff | 1525 | |
1526 | case SREF: | |
bb25bea6 | 1527 | DPRINTF (( message("Doing sRef_fixConstraintParam for %q ", |
1528 | constraintTerm_print (t) ) )); | |
28bf4b0b | 1529 | ret = sRef_fixConstraintParam (constraintTerm_getSRef(t), arglist); |
c3e695ff | 1530 | |
d46ce6a4 | 1531 | constraintExpr_free(e); |
1532 | ||
bb25bea6 | 1533 | DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ", |
1534 | constraintExpr_print (ret) ) )); | |
c3e695ff | 1535 | break; |
1536 | default: | |
1537 | BADEXIT; | |
1538 | } | |
1539 | return ret; | |
1540 | ||
1541 | } | |
3aaedf88 | 1542 | |
1543 | ||
1544 | /* bool constraintExpr_includesTerm (constraintExpr expr, constraintTerm term) */ | |
1545 | /* { */ | |
1546 | /* if (constraintTerm_hasTerm (expr->term, term) ) */ | |
1547 | /* return TRUE; */ | |
1548 | ||
1549 | /* if ( (expr->expr) != NULL) */ | |
1550 | /* { */ | |
1551 | /* return ( constraintExpr_includesTerm (expr->expr, term) ); */ | |
1552 | /* } */ | |
1553 | /* return FALSE; */ | |
1554 | ||
1555 | /* } */ | |
1556 | ||
bb25bea6 | 1557 | /*drl added 6/11/01 */ |
1558 | bool constraintExpr_isBinaryExpr (/*@observer@*/ constraintExpr c) | |
1559 | { | |
1560 | if (c->kind == binaryexpr) | |
1561 | return TRUE; | |
3aaedf88 | 1562 | |
bb25bea6 | 1563 | else |
1564 | return FALSE; | |
1565 | } | |
3aaedf88 | 1566 | |
920a3797 | 1567 | static void binaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) |
1568 | { | |
1569 | constraintExpr expr1; | |
1570 | constraintExprBinaryOpKind binaryOp; | |
1571 | constraintExpr expr2; | |
1572 | ||
1573 | ||
1574 | binaryOp = constraintExprData_binaryExprGetOp (data); | |
1575 | ||
1576 | fprintf(f, "%d\n", (int) binaryOp); | |
1577 | ||
1578 | expr1 = constraintExprData_binaryExprGetExpr1 (data); | |
1579 | expr2 = constraintExprData_binaryExprGetExpr2 (data); | |
1580 | ||
1581 | fprintf(f, "e1\n"); | |
1582 | ||
1583 | constraintExpr_dump(expr1, f); | |
1584 | ||
1585 | fprintf(f, "e2\n"); | |
1586 | constraintExpr_dump(expr2, f); | |
1587 | } | |
1588 | ||
1589 | ||
1590 | static constraintExpr binaryExpr_undump (FILE *f) | |
1591 | { | |
1592 | constraintExpr expr1; | |
1593 | constraintExprBinaryOpKind binaryOp; | |
1594 | constraintExpr expr2; | |
1595 | ||
1596 | constraintExpr ret; | |
1597 | ||
1598 | ||
1599 | ||
1600 | char * str; | |
1601 | char * os; | |
1602 | ||
1603 | str = mstring_create (MAX_DUMP_LINE_LENGTH); | |
1604 | os = str; | |
1605 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1606 | ||
1607 | ||
28bf4b0b | 1608 | binaryOp = (constraintExprBinaryOpKind) reader_getInt(&str); |
920a3797 | 1609 | |
1610 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1611 | ||
28bf4b0b | 1612 | reader_checkChar (&str, 'e'); |
1613 | reader_checkChar (&str, '1'); | |
920a3797 | 1614 | |
1615 | expr1 = constraintExpr_undump (f); | |
1616 | ||
1617 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1618 | ||
28bf4b0b | 1619 | reader_checkChar (&str, 'e'); |
1620 | reader_checkChar (&str, '2'); | |
920a3797 | 1621 | |
1622 | expr2 = constraintExpr_undump (f); | |
1623 | ||
1624 | ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2); | |
1625 | ret->data = constraintExprData_binaryExprSetOp(ret->data, binaryOp); | |
1626 | ||
1627 | free(os); | |
1628 | return ret; | |
1629 | } | |
1630 | ||
1631 | ||
1632 | ||
1633 | static void unaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f) | |
1634 | { | |
1635 | ||
1636 | constraintExpr expr; | |
1637 | constraintExprUnaryOpKind unaryOp; | |
1638 | ||
1639 | unaryOp = constraintExprData_unaryExprGetOp (data); | |
1640 | ||
1641 | fprintf(f, "%d\n", (int) unaryOp); | |
1642 | ||
1643 | expr = constraintExprData_unaryExprGetExpr (data); | |
1644 | ||
1645 | constraintExpr_dump(expr, f); | |
1646 | } | |
1647 | ||
1648 | static constraintExpr unaryExpr_undump ( FILE *f) | |
1649 | { | |
1650 | ||
1651 | constraintExpr expr; | |
1652 | constraintExprUnaryOpKind unaryOp; | |
1653 | constraintExpr ret; | |
1654 | ||
1655 | char * str; | |
1656 | char * os; | |
1657 | ||
1658 | str = mstring_create (MAX_DUMP_LINE_LENGTH); | |
1659 | os = str; | |
1660 | str = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1661 | ||
28bf4b0b | 1662 | unaryOp = (constraintExprUnaryOpKind) reader_getInt(&str); |
920a3797 | 1663 | |
1664 | expr = constraintExpr_undump (f); | |
1665 | ||
1666 | ret = constraintExpr_makeUnaryOp (expr, unaryOp); | |
1667 | ||
1668 | free(os); | |
1669 | ||
1670 | return ret; | |
1671 | } | |
1672 | ||
1673 | void constraintExpr_dump (/*@observer@*/ constraintExpr expr, FILE *f) | |
1674 | { | |
1675 | constraintExprKind kind; | |
1676 | constraintTerm t; | |
1677 | ||
1678 | ||
1679 | kind = expr->kind; | |
1680 | ||
1681 | fprintf(f,"%d\n", (int) kind); | |
1682 | ||
1683 | switch (kind) | |
1684 | { | |
1685 | case term: | |
1686 | t = constraintExprData_termGetTerm (expr->data); | |
1687 | constraintTerm_dump (t, f); | |
1688 | break; | |
1689 | case unaryExpr: | |
1690 | unaryExpr_dump (expr->data, f); | |
1691 | break; | |
1692 | case binaryexpr: | |
1693 | binaryExpr_dump (expr->data, f); | |
1694 | break; | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | /*@only@*/ constraintExpr constraintExpr_undump (FILE *f) | |
1699 | { | |
1700 | constraintExprKind kind; | |
1701 | constraintTerm t; | |
1702 | constraintExpr ret; | |
1703 | ||
1704 | char * s; | |
1705 | char * os; | |
1706 | ||
1707 | s = mstring_create (MAX_DUMP_LINE_LENGTH); | |
1708 | ||
1709 | os = s; | |
1710 | ||
1711 | s = fgets(os, MAX_DUMP_LINE_LENGTH, f); | |
1712 | ||
28bf4b0b | 1713 | kind = (constraintExprKind) reader_getInt(&s); |
920a3797 | 1714 | |
1715 | free (os); | |
1716 | ||
1717 | switch (kind) | |
1718 | { | |
1719 | case term: | |
1720 | t = constraintTerm_undump (f); | |
1721 | ret = constraintExpr_makeTerm(t); | |
1722 | break; | |
1723 | case unaryExpr: | |
1724 | ret = unaryExpr_undump (f); | |
1725 | break; | |
1726 | case binaryexpr: | |
1727 | ret = binaryExpr_undump (f); | |
1728 | break; | |
1729 | } | |
1730 | ||
1731 | return ret; | |
1732 | ||
1733 | } | |
1734 | ||
1735 | ||
1736 | ||
3aaedf88 | 1737 |