7 # include "lclintMacros.nf"
10 # include "cgrammar_tokens.h"
12 # include "exprChecks.h"
13 # include "exprNodeSList.h"
15 //# include "constraintExpr.h"
22 /*@access exprNode constraintExpr@*/
25 static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/constraintExpr p_expr, int p_literal);
28 /*@only@*/ static constraintExpr
29 doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr p_e, /*@temp@*/ /*@observer@*/ exprNodeList p_arglist) /*@modifies p_e@*/;
31 static /*@only@*/ constraintExpr
32 doFixResultTerm (/*@only@*/ constraintExpr p_e, /*@exposed@*/ exprNode p_fcnCall)
36 /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) ; /// @allocates result->data @ @sets result->kind @;
38 //constraintExpr constraintExpr_makeMaxSetConstraintExpr (constraintExpr c);
40 void constraintExpr_free (/*@only@*/ constraintExpr expr)
42 if (constraintExpr_isDefined(expr) )
47 constraintExprData_freeUnaryExpr(expr->data);
50 constraintExprData_freeBinaryExpr(expr->data);
53 constraintExprData_freeTerm(expr->data);
64 llcontbug(message("attempted to free null pointer in constraintExpr_free"));
68 bool constraintExpr_isLit (constraintExpr expr)
70 llassert (expr != NULL);
72 if (expr->kind == term)
74 constraintTerm term = constraintExprData_termGetTerm (expr->data);
75 if (constraintTerm_isIntLiteral (term) )
85 /*@only@*/ constraintExpr constraintExpr_propagateConstants (/*@only@*/ constraintExpr expr,
86 /*@out@*/ bool * propagate,
87 /*@out@*/ int *literal)
91 bool propagate1, propagate2;
92 int literal1, literal2;
93 constraintExprBinaryOpKind op;
104 llassert (expr != NULL);
106 // we simplify unaryExpr else where
107 if (expr->kind != binaryexpr)
110 op = constraintExprData_binaryExprGetOp (expr->data);
112 DPRINTF( (message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) );
114 expr1 = constraintExprData_binaryExprGetExpr1(expr->data);
115 expr2 = constraintExprData_binaryExprGetExpr2(expr->data);
117 expr1 = constraintExpr_copy(expr1);
118 expr2 = constraintExpr_copy(expr2);
120 expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1);
121 expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2);
123 *propagate = propagate1 || propagate2;
124 *literal = literal1 + literal2;
126 if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) )
129 t1 = constraintExpr_getValue (expr1);
130 t2 = constraintExpr_getValue (expr2);
133 constraintExpr_free (expr);
134 constraintExpr_free (expr1);
135 constraintExpr_free (expr2);
138 return (constraintExpr_makeIntLiteral ( (t1+t2) ));
139 else if (op == MINUS)
140 return (constraintExpr_makeIntLiteral ( (t1-t2) ));
148 if (constraintExpr_isLit (expr1) )
153 *literal += constraintExpr_getValue (expr1);
155 *literal -= constraintExpr_getValue (expr1);
157 constraintExpr_free(expr1);
158 constraintExpr_free(expr);
162 if (constraintExpr_isLit (expr2) )
167 *literal += constraintExpr_getValue (expr2);
169 *literal -= constraintExpr_getValue (expr2);
171 constraintExpr_free(expr2);
172 constraintExpr_free(expr);
176 DPRINTF( (message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) );
178 expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1);
179 expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2);
184 /*@only@*/ static constraintExpr constraintExpr_combineConstants (/*@only@*/ constraintExpr expr ) /*@modifies expr@*/
189 DPRINTF ( (message ("Before combine %s", constraintExpr_unparse(expr) ) ) );
190 expr = constraintExpr_propagateConstants (expr, &propagate, &literal);
199 ret = constraintExpr_makeBinaryOpConstraintExprIntLiteral (expr, literal);
203 DPRINTF ( (message ("After combine %s", constraintExpr_unparse(expr) ) ) );
208 static constraintExpr constraintExpr_alloc (void) /*@post:isnull result->data@*/
211 ret = dmalloc (sizeof (*ret) );
217 /*@only@*/ static constraintExprData copyExprData (/*@observer@*/ constraintExprData data, constraintExprKind kind)
219 constraintExprData ret;
220 llassert(constraintExprData_isDefined(data));
225 ret = constraintExprData_copyBinaryExpr(data);
228 ret = constraintExprData_copyUnaryExpr(data);
231 ret = constraintExprData_copyTerm(data);
239 constraintExpr constraintExpr_copy (constraintExpr expr)
242 ret = constraintExpr_alloc();
243 ret->kind = expr->kind;
245 ret->data = copyExprData (expr->data, expr->kind);
250 /*@only@*/ static constraintExpr oldconstraintExpr_makeTermExprNode ( /*@dependent@*/ exprNode e)
254 ret = constraintExpr_alloc();
256 ret->data = dmalloc (sizeof *(ret->data) );
257 t = constraintTerm_makeExprNode (e);
258 ret->data = constraintExprData_termSetTerm (ret->data, t);
262 constraintExpr constraintExpr_makeExprNode (exprNode e)
265 constraintExpr ret, ce1, ce2;
271 llassert (e != NULL);
278 t = exprData_getSingle (data);
279 s = exprNode_getSref (t);
280 if (sRef_isFixedArray(s) )
284 size = (int) sRef_getArraySize(s);
285 ret = constraintExpr_makeIntLiteral (size);
289 DPRINTF ((message ("could not determine the size of %s", exprNode_unparse (e) ) ) );
290 ret = oldconstraintExpr_makeTermExprNode (e);
295 DPRINTF ((message ("Examining operation %s", exprNode_unparse (e) ) ) );
296 t1 = exprData_getOpA (data);
297 t2 = exprData_getOpB (data);
298 tok = exprData_getOpTok (data);
300 if (lltok_isPlus_Op (tok) || lltok_isMinus_Op (tok) )
302 ce1 = constraintExpr_makeExprNode (t1);
303 ce2 = constraintExpr_makeExprNode (t2);
304 ret = constraintExpr_parseMakeBinaryOp (ce1, tok, ce2);
308 ret = oldconstraintExpr_makeTermExprNode (e);
312 t = exprData_getUopNode (data);
313 ret = constraintExpr_makeExprNode (t);
317 t = exprData_getUopNode (data);
318 tok = exprData_getUopTok (data);
319 if (lltok_isInc_Op (tok) )
322 temp = constraintExpr_makeExprNode(t);
323 ret = constraintExpr_makeIncConstraintExpr(temp);
325 else if (lltok_isDec_Op (tok) )
328 temp = constraintExpr_makeExprNode(t);
329 ret = constraintExpr_makeDecConstraintExpr(temp);
332 ret = oldconstraintExpr_makeTermExprNode (e);
336 t = exprData_getUopNode (data);
337 ret = constraintExpr_makeExprNode (t);
340 t = exprData_getCastNode (data);
341 ret = constraintExpr_makeExprNode (t);
344 t = exprData_getPairA(data);
345 ret = constraintExpr_makeExprNode(t);
346 /*@i3434*/ /*I'm not sure if this is right. I'm adding a break to quite LCLint*/
349 ret = oldconstraintExpr_makeTermExprNode (e);
356 /*@only@*/ static constraintExpr constraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e)
358 return oldconstraintExpr_makeTermExprNode(e); //constraintExpr_makeExprNode (e);
361 static constraintExpr constraintExpr_makeTerm (/*@only@*/ constraintTerm t)
365 ret = constraintExpr_alloc();
367 ret->data = dmalloc (sizeof *(ret->data) );
368 ret->data = constraintExprData_termSetTerm (ret->data, t);
373 constraintExpr constraintExpr_makeTermsRef (/*@temp@*/ sRef s)
377 ret = constraintExpr_alloc();
379 ret->data = dmalloc (sizeof *(ret->data) );
380 t = constraintTerm_makesRef (s);
381 ret->data = constraintExprData_termSetTerm (ret->data, t);
385 /*@special@*/ static constraintExpr makeUnaryOpGeneric (void) /*@allocates result->data@*/ /*@defines result->kind@*/
388 ret = constraintExpr_alloc();
389 ret->kind = unaryExpr;
390 ret->data = dmalloc ( sizeof *(ret->data) );
394 /*@only@*/ static constraintExpr constraintExpr_makeUnaryOpConstraintExpr (/*@only@*/ constraintExpr cexpr)
397 ret = makeUnaryOpGeneric();
401 ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr);
402 ret->data = constraintExprData_unaryExprSetOp (ret->data, UNARYOP_UNDEFINED);
411 /*@only@*/ static constraintExpr constraintExpr_makeUnaryOp (/*@only@*/ constraintExpr cexpr, constraintExprUnaryOpKind Op )
414 ret = makeUnaryOpGeneric();
416 ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr);
417 ret->data = constraintExprData_unaryExprSetOp (ret->data, Op);
423 static constraintExpr constraintExpr_makeMaxSetConstraintExpr (/*@only@*/ constraintExpr c)
426 ret = constraintExpr_makeUnaryOp (c, MAXSET);
431 static constraintExpr constraintExpr_makeUnaryOpExprNode (/*@exposed@*/ exprNode expr)
435 sub = constraintExpr_makeExprNode (expr);
436 ret = constraintExpr_makeUnaryOpConstraintExpr(sub);
444 static constraintExpr constraintExpr_makeSRefUnaryOp (/*@temp@*/ /*@observer@*/ sRef s, constraintExprUnaryOpKind op)
449 t = constraintExpr_makeTermsRef (s);
450 ret = constraintExpr_makeUnaryOpConstraintExpr (t);
451 ret->data = constraintExprData_unaryExprSetOp (ret->data, op);
457 constraintExpr constraintExpr_makeSRefMaxRead( sRef s)
459 return (constraintExpr_makeSRefUnaryOp (s, MAXREAD) );
463 constraintExpr constraintExpr_makeSRefMaxset ( sRef s)
465 return (constraintExpr_makeSRefUnaryOp (s, MAXSET) );
469 constraintExpr constraintExpr_parseMakeUnaryOp (lltok op, constraintExpr cexpr)
472 ret = constraintExpr_makeUnaryOpConstraintExpr ( cexpr);
477 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET);
480 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD);
483 llfatalbug(message("Unhandled Operation in Constraint") );
489 constraintExpr constraintExpr_makeMaxSetExpr (/*@exposed@*/ exprNode expr)
492 ret = constraintExpr_makeExprNode (expr);
494 ret = constraintExpr_makeMaxSetConstraintExpr (ret);
496 llassert (ret != NULL);
501 constraintExpr constraintExpr_makeMaxReadExpr (exprNode expr)
504 ret = constraintExpr_makeUnaryOpExprNode(expr);
505 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD);
510 /*@unused@*/ static constraintExpr constraintExpr_makeMinSetExpr (/*@exposed@*/ exprNode expr)
513 ret = constraintExpr_makeUnaryOpExprNode(expr);
514 ret->data = constraintExprData_unaryExprSetOp (ret->data, MINSET);
519 /*@unused@*/ static constraintExpr constraintExpr_makeMinReadExpr (/*@exposed@*/ exprNode expr)
522 ret = constraintExpr_makeUnaryOpExprNode(expr);
523 ret->data = constraintExprData_unaryExprSetOp (ret->data, MINREAD);
529 constraintExpr constraintExpr_makeValueExpr (/*@exposed@*/ exprNode expr)
532 ret = constraintExpr_makeExprNode (expr);
537 constraintExpr constraintExpr_makeIntLiteral (int i)
541 ret = constraintExpr_alloc();
543 ret->data = dmalloc (sizeof *(ret->data) );
544 t = constraintTerm_makeIntLiteral (i);
545 ret->data = constraintExprData_termSetTerm (ret->data, t);
550 constraintExpr constraintExpr_makeValueInt (int i)
552 return constraintExpr_makeIntLiteral (i);
557 /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void)
558 /*@allocates result->data @*/ /*@sets result->kind @*/
561 ret = constraintExpr_alloc();
562 ret->kind = binaryexpr;
563 ret->data = dmalloc ( sizeof *(ret->data) );
564 // ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED);
569 static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExpr (/*@only@*/constraintExpr expr1, /*@only@*/ constraintExpr expr2)
574 ret = constraintExpr_makeBinaryOp();
575 ret->data = constraintExprData_binaryExprSetExpr1 (ret->data, expr1);
576 ret->data = constraintExprData_binaryExprSetExpr2 (ret->data, expr2);
577 ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED);
582 constraintExpr constraintExpr_parseMakeBinaryOp (/*@only@*/ constraintExpr expr1, lltok op,/*@only@*/ constraintExpr expr2)
585 ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2);
587 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
588 else if (op.tok == TMINUS)
589 ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS);
598 /*@unused@*/ static constraintExpr constraintExpr_makeBinaryOpExprNode (/*@exposed@*/ exprNode expr1, /*@exposed@*/ exprNode expr2)
601 constraintExpr sub1, sub2;
602 sub1 = constraintExpr_makeTermExprNode (expr1);
603 sub2 = constraintExpr_makeTermExprNode (expr2);
604 ret = constraintExpr_makeBinaryOpConstraintExpr(sub1, sub2);
609 constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/ constraintExpr expr, int literal)
612 constraintExpr constExpr;
614 constExpr = constraintExpr_makeIntLiteral (literal);
615 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, constExpr);
616 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
621 constraintExpr constraintExpr_makeDecConstraintExpr (/*@only@*/constraintExpr expr)
626 inc = constraintExpr_makeIntLiteral (1);
627 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc);
628 ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS);
633 /*@only@*/ constraintExpr constraintExpr_makeSubtractExpr (/*@only@*/ constraintExpr expr, /*@only@*/ constraintExpr addent)
637 DPRINTF ( (message ("Making subtract expression") ) );
639 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent);
640 ret->data = constraintExprData_binaryExprSetOp (ret->data, MINUS);
645 constraintExpr constraintExpr_makeAddExpr (/*@only@*/
646 constraintExpr expr, /*@only@*/
647 constraintExpr addent)
651 DPRINTF ( (message ("Doing addTerm simplification") ) );
653 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, addent);
654 ret->data = constraintExprData_binaryExprSetOp (ret->data, PLUS);
660 constraintExpr constraintExpr_makeIncConstraintExpr (/*@only@*/ constraintExpr expr)
665 inc = constraintExpr_makeIntLiteral (1);
666 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc);
667 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
672 static cstring constraintExprUnaryOpKind_print (constraintExprUnaryOpKind op)
677 return message("MAXSET");
679 return message("MINSET");
681 return message("MAXREAD");
683 return message("MINREAD");
686 return message ("<(Unary OP OTHER>");
692 static cstring constraintExprBinaryOpKind_print (constraintExprBinaryOpKind op)
704 return message ("<binary OP Unknown>");
708 bool constraintExpr_similar (constraintExpr expr1, constraintExpr expr2)
710 constraintExprKind kind;
712 llassert (expr1 != NULL);
713 llassert (expr2 != NULL);
714 if (expr1->kind != expr2->kind)
722 return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data),
723 constraintExprData_termGetTerm(expr2->data) );
724 /*@notreached@*/ break;
727 if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) )
730 return (constraintExpr_similar (
731 constraintExprData_unaryExprGetExpr (expr1->data),
732 constraintExprData_unaryExprGetExpr (expr2->data)
736 if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) )
739 if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr1 (expr1->data),
740 constraintExprData_binaryExprGetExpr1 (expr2->data)) )
743 if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr2 (expr1->data),
744 constraintExprData_binaryExprGetExpr2 (expr2->data)) )
759 bool constraintExpr_same (constraintExpr expr1, constraintExpr expr2)
761 constraintExprKind kind;
763 llassert (expr1 != NULL);
764 llassert (expr2 != NULL);
765 if (expr1->kind != expr2->kind)
773 return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data),
774 constraintExprData_termGetTerm(expr2->data) );
775 /*@notreached@*/ break;
778 if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) )
781 return (constraintExpr_same (
782 constraintExprData_unaryExprGetExpr (expr1->data),
783 constraintExprData_unaryExprGetExpr (expr2->data)
788 if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) )
791 if (! constraintExpr_same (constraintExprData_binaryExprGetExpr1 (expr1->data),
792 constraintExprData_binaryExprGetExpr1 (expr2->data)) )
795 if (! constraintExpr_same (constraintExprData_binaryExprGetExpr2 (expr1->data),
796 constraintExprData_binaryExprGetExpr2 (expr2->data)) )
800 /*@notreached@*/ break;
811 bool constraintExpr_search (/*@observer@*/ constraintExpr c, /*@observer@*/ constraintExpr old)
814 constraintExprKind kind;
817 if ( constraintExpr_similar (c, old) )
819 DPRINTF((message ("Found %q",
820 constraintExpr_unparse(old)
832 temp = constraintExprData_unaryExprGetExpr (c->data);
833 ret = ret || constraintExpr_search (temp, old);
837 temp = constraintExprData_binaryExprGetExpr1 (c->data);
838 ret = ret || constraintExpr_search(temp, old);
840 temp = constraintExprData_binaryExprGetExpr2 (c->data);
841 ret = ret || constraintExpr_search(temp, old);
851 /*@only@*/ constraintExpr constraintExpr_searchandreplace (/*@only@*/ /*@unique@*/ constraintExpr c, /*@temp@*/ constraintExpr old, /*@temp@*/ constraintExpr newExpr )
853 constraintExprKind kind;
856 if ( constraintExpr_similar (c, old) )
859 DPRINTF((message ("Replacing %s with %s",
860 constraintExpr_unparse(old), constraintExpr_unparse(newExpr)
862 constraintExpr_free(c);
863 return constraintExpr_copy (newExpr);
873 temp = constraintExprData_unaryExprGetExpr (c->data);
874 temp = constraintExpr_copy(temp);
875 temp = constraintExpr_searchandreplace (temp, old, newExpr);
876 c->data = constraintExprData_unaryExprSetExpr (c->data, temp);
880 temp = constraintExprData_binaryExprGetExpr1 (c->data);
881 temp = constraintExpr_copy(temp);
882 temp = constraintExpr_searchandreplace (temp, old, newExpr);
883 c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp);
885 temp = constraintExprData_binaryExprGetExpr2 (c->data);
886 temp = constraintExpr_copy(temp);
887 temp = constraintExpr_searchandreplace (temp, old, newExpr);
888 c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp);
897 static constraintExpr constraintExpr_simplifyChildren (/*@returned@*/ constraintExpr c)
899 constraintExprKind kind;
909 temp = constraintExprData_unaryExprGetExpr (c->data);
910 temp = constraintExpr_copy(temp);
911 temp = constraintExpr_simplify (temp);
912 c->data = constraintExprData_unaryExprSetExpr (c->data, temp);
915 DPRINTF((message("constraintExpr_simplfiyChildren: simplify binary expression: %s",constraintExpr_unparse(c) ) ) );
916 temp = constraintExprData_binaryExprGetExpr1 (c->data);
917 temp = constraintExpr_copy(temp);
918 temp = constraintExpr_simplify (temp);
920 c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp);
922 temp = constraintExprData_binaryExprGetExpr2 (c->data);
923 temp = constraintExpr_copy(temp);
924 temp = constraintExpr_simplify (temp);
926 c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp);
936 constraintExpr constraintExpr_setFileloc (/*@returned@*/ constraintExpr c, fileloc loc) /*@modifies c @*/
946 t = constraintExprData_termGetTerm (c->data);
947 t = constraintTerm_copy(t);
948 t = constraintTerm_setFileloc (t, loc);
949 c->data = constraintExprData_termSetTerm (c->data, t);
953 temp = constraintExprData_binaryExprGetExpr1 (c->data);
954 temp = constraintExpr_copy(temp);
955 temp = constraintExpr_setFileloc (temp, loc);
956 c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp);
958 temp = constraintExprData_binaryExprGetExpr2 (c->data);
959 temp = constraintExpr_copy(temp);
960 temp = constraintExpr_setFileloc (temp, loc);
961 c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp);
964 temp = constraintExprData_unaryExprGetExpr (c->data);
965 temp = constraintExpr_copy(temp);
966 temp = constraintExpr_setFileloc (temp, loc);
967 c->data = constraintExprData_unaryExprSetExpr (c->data, temp);
973 static /*@only@*/ constraintExpr constraintExpr_simplifybinaryExpr (/*@only@*/constraintExpr c)
975 constraintExpr e1, e2;
977 e1 = constraintExprData_binaryExprGetExpr1 (c->data);
978 e2 = constraintExprData_binaryExprGetExpr2 (c->data);
980 if (constraintExpr_canGetValue (e1) && constraintExpr_canGetValue(e2) )
984 i = constraintExpr_getValue(e1) + constraintExpr_getValue (e2);
985 constraintExpr_free(c);
986 c = constraintExpr_makeIntLiteral (i);
993 this thing takes the lexpr and expr of a constraint and modifies lexpr
994 and returns a (possiblly new) value for expr
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 */
998 /* the approach is a little Kludgy but seems to work. I should probably use something cleaner at some point ... */
1001 /*@only@*/ constraintExpr constraintExpr_solveBinaryExpr (constraintExpr lexpr, /*@only@*/ constraintExpr expr)
1003 constraintExpr expr1, expr2;
1004 constraintExprBinaryOpKind op;
1006 if (lexpr->kind != binaryexpr)
1009 expr2 = constraintExprData_binaryExprGetExpr2 (lexpr->data);
1010 expr1 = constraintExprData_binaryExprGetExpr1 (lexpr->data);
1012 op = constraintExprData_binaryExprGetOp (lexpr->data);
1014 expr1 = constraintExpr_copy(expr1);
1015 expr2 = constraintExpr_copy(expr2);
1017 //drl possible problem : warning make sure this works
1019 lexpr->kind = expr1->kind;
1022 lexpr->data = copyExprData (expr1->data, expr1->kind);
1023 constraintExpr_free(expr1);
1026 expr = constraintExpr_makeSubtractExpr (expr, expr2);
1027 else if (op == MINUS)
1028 expr = constraintExpr_makeAddExpr (expr, expr2);
1036 #warning this needs to be checked
1037 expr = constraintExpr_solveBinaryExpr (expr1, expr);
1039 expr = constraintExpr_solveBinaryExpr (expr2, expr);
1044 static /*@only@*/ constraintExpr constraintExpr_simplifyunaryExpr (/*@only@*/ constraintExpr c)
1048 llassert (c->kind == unaryExpr);
1050 DPRINTF ( (message ("Doing constraintExpr_simplifyunaryExpr:%s", constraintExpr_unparse (c) ) ) );
1052 if ( (constraintExprData_unaryExprGetOp (c->data) != MAXSET) &&
1053 (constraintExprData_unaryExprGetOp (c->data) != MAXREAD) )
1057 // pattern mxr ( var + const) = mxr(var) - const
1059 exp = constraintExprData_unaryExprGetExpr (c->data);
1061 if (exp->kind == term)
1063 constraintTerm cterm;
1065 cterm = constraintExprData_termGetTerm (exp->data);
1067 if (constraintTerm_isStringLiteral(cterm) )
1070 val = constraintTerm_getStringLiteral (cterm);
1071 if (constraintExprData_unaryExprGetOp (c->data) == MAXSET)
1073 constraintExpr temp;
1075 temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) );
1077 constraintExpr_free(c);
1080 if (constraintExprData_unaryExprGetOp (c->data) == MAXREAD)
1082 constraintExpr temp;
1084 temp = constraintExpr_makeIntLiteral ((int)strlen (cstring_toCharsSafe(val) ) );
1086 constraintExpr_free(c);
1094 if (exp->kind != binaryexpr)
1097 if (constraintExprData_binaryExprGetOp (exp->data) == PLUS )
1100 // if (constraintExpr_canGetValue (constraintExprData_binaryExprGetExpr2 (exp->data) ) )
1103 constraintExpr temp, temp2;
1105 DPRINTF ( (message ("Doing fancy simplification") ) );
1107 temp = constraintExprData_binaryExprGetExpr2 (exp->data);
1109 temp2 = constraintExprData_binaryExprGetExpr1 (exp->data);
1111 temp2 = constraintExpr_copy(temp2);
1112 c->data = constraintExprData_unaryExprSetExpr (c->data, temp2);
1115 temp = constraintExpr_copy (temp);
1117 c = constraintExpr_makeSubtractExpr (c, temp);
1119 DPRINTF ( (message ("Done fancy simplification:%s", constraintExpr_unparse (c) ) ) );
1123 DPRINTF ( (message ("Done simplification:%s", constraintExpr_unparse (c) ) ) );
1128 /*@only@*/ constraintExpr constraintExpr_simplify (/*@only@*/ constraintExpr c)
1130 constraintExprKind kind;
1134 DPRINTF ( (message ("Doing constraintExpr_simplify:%s", constraintExpr_unparse (c) ) ) );
1139 /*I think this is an LCLint bug */
1141 ret = constraintExpr_copy(c);
1143 constraintExpr_free(c);
1145 ret = constraintExpr_simplifyChildren (ret);
1147 ret = constraintExpr_combineConstants (ret);
1149 ret = constraintExpr_simplifyChildren (ret);
1157 t = constraintExprData_termGetTerm (ret->data);
1158 t = constraintTerm_copy(t);
1159 t = constraintTerm_simplify (t);
1160 ret->data = constraintExprData_termSetTerm (ret->data, t);
1163 ret = constraintExpr_simplifyunaryExpr (ret);
1166 ret = constraintExpr_simplifybinaryExpr (ret);
1172 DPRINTF ( (message ("constraintExpr_simplify returning :%s", constraintExpr_unparse (ret) ) ) );
1178 cstring constraintExpr_unparse (/*@temp@*/ /*@observer@*/ constraintExpr ex) /*@*/
1181 constraintExprKind kind;
1183 llassert (ex != NULL);
1190 st = message ("(%q) ", constraintTerm_print (constraintExprData_termGetTerm(ex->data) ) );
1193 st = message ("%q (%q)",
1194 constraintExprUnaryOpKind_print (constraintExprData_unaryExprGetOp (ex->data)
1196 constraintExpr_unparse (constraintExprData_unaryExprGetExpr (ex->data) )
1200 st = message ("(%q) %q (%q)",
1201 constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ),
1202 constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data)
1204 constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) )
1209 st = message ("error");
1213 DPRINTF((message ("constraintExpr_unparse: '%s'",st) ) );
1217 constraintExpr constraintExpr_doSRefFixBaseParam (/*@returned@*/ constraintExpr expr, exprNodeList arglist)
1219 constraintTerm Term;
1220 constraintExprKind kind;
1221 constraintExpr expr1, expr2;
1222 constraintExprData data;
1223 llassert (expr != NULL);
1232 Term = constraintExprData_termGetTerm(data);
1233 Term = constraintTerm_copy(Term);
1235 Term = constraintTerm_doSRefFixBaseParam (Term, arglist);
1236 data = constraintExprData_termSetTerm(data, Term);
1239 expr1 = constraintExprData_unaryExprGetExpr (data);
1240 expr1 = constraintExpr_copy(expr1);
1242 expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist);
1243 data = constraintExprData_unaryExprSetExpr (data, expr1);
1246 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1247 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1249 expr1 = constraintExpr_copy(expr1);
1250 expr2 = constraintExpr_copy(expr2);
1252 expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist);
1253 data = constraintExprData_binaryExprSetExpr1 (data, expr1);
1254 expr2 = constraintExpr_doSRefFixBaseParam (expr2, arglist);
1255 data = constraintExprData_binaryExprSetExpr2 (data, expr2);
1265 /*@only@*/ constraintExpr constraintExpr_doSRefFixConstraintParam (/*@only@*/ constraintExpr expr, exprNodeList arglist) /*@modifies expr@*/
1267 constraintExprKind kind;
1268 constraintExpr expr1, expr2;
1269 constraintExprData data;
1270 llassert (expr != NULL);
1279 expr = doSRefFixConstraintParamTerm (expr, arglist);
1282 expr1 = constraintExprData_unaryExprGetExpr (data);
1283 expr1 = constraintExpr_copy(expr1);
1284 expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist);
1285 data = constraintExprData_unaryExprSetExpr (data, expr1);
1288 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1289 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1291 expr1 = constraintExpr_copy(expr1);
1292 expr2 = constraintExpr_copy(expr2);
1294 expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist);
1295 data = constraintExprData_binaryExprSetExpr1 (data, expr1);
1296 expr2 = constraintExpr_doSRefFixConstraintParam (expr2, arglist);
1297 data = constraintExprData_binaryExprSetExpr2 (data, expr2);
1307 /*@only@*/ constraintExpr constraintExpr_doFixResult (/*@only@*/ constraintExpr expr, /*@observer@*/ exprNode fcnCall)
1309 constraintExprKind kind;
1310 constraintExpr expr1, expr2;
1311 constraintExprData data;
1312 llassert (expr != NULL);
1321 expr = doFixResultTerm (expr, fcnCall);
1324 expr1 = constraintExprData_unaryExprGetExpr (data);
1325 expr1 = constraintExpr_copy(expr1);
1327 expr1 = constraintExpr_doFixResult (expr1, fcnCall);
1328 data = constraintExprData_unaryExprSetExpr (data, expr1);
1331 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1332 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1334 expr1 = constraintExpr_copy(expr1);
1335 expr2 = constraintExpr_copy(expr2);
1337 expr1 = constraintExpr_doFixResult (expr1, fcnCall);
1338 data = constraintExprData_binaryExprSetExpr1 (data, expr1);
1339 expr2 = constraintExpr_doFixResult (expr2, fcnCall);
1340 data = constraintExprData_binaryExprSetExpr2 (data, expr2);
1350 cstring constraintExpr_print (constraintExpr expr) /*@*/
1352 return constraintExpr_unparse(expr);
1355 bool constraintExpr_hasMaxSet (constraintExpr expr) /*@*/
1359 t = constraintExpr_unparse(expr);
1361 if (cstring_containsLit(t, "MAXSET") != NULL )
1375 /*returns 1 0 -1 like strcmp
1380 int constraintExpr_compare (constraintExpr expr1, constraintExpr expr2)
1384 if (constraintExpr_similar (expr1, expr2) )
1388 value1 = constraintExpr_getValue(expr1);
1389 value2 = constraintExpr_getValue(expr2);
1391 if (value1 > value2)
1394 if (value1 == value2)
1401 int constraintExpr_getValue (constraintExpr expr)
1403 llassert (expr->kind == term);
1404 return (constraintTerm_getValue (constraintExprData_termGetTerm (expr->data) ) );
1407 bool constraintExpr_canGetValue (constraintExpr expr)
1412 return constraintTerm_canGetValue (constraintExprData_termGetTerm (expr->data) );
1421 fileloc constraintExpr_getFileloc (constraintExpr expr)
1425 constraintExprKind kind;
1432 t = constraintExprData_termGetTerm (expr->data);
1433 return (constraintTerm_getFileloc (t) );
1437 e = constraintExprData_unaryExprGetExpr (expr->data);
1438 return (constraintExpr_getFileloc (e) );
1442 e = constraintExprData_binaryExprGetExpr1 (expr->data);
1443 return (constraintExpr_getFileloc (e) );
1448 return (fileloc_undefined);
1451 /*drl moved from constriantTerm.c 5/20/001*/
1452 static /*@only@*/ constraintExpr
1453 doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall)
1457 /*maybe this should move to cosntraintExpr.c -drl7x 5/18/01*/
1458 /*@i22*/ constraintExprData data = e->data;
1460 /*@i22*/constraintExprKind kind = e->kind;
1464 llassert(kind == term);
1466 t = constraintExprData_termGetTerm (data);
1467 llassert (constraintTerm_isDefined(t) );
1470 switch (constraintTerm_getKind(t) )
1478 s = constraintTerm_getSRef(t);
1479 if (sRef_isResult (s))
1481 ret = constraintExpr_makeExprNode(fcnCall);
1482 constraintExpr_free(e);
1498 /*drl moved from constriantTerm.c 5/20/001*/
1499 /*@only@*/ static constraintExpr
1500 doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@observer@*/ /*@temp@*/ exprNodeList arglist)
1504 constraintExprData data = e->data;
1506 constraintExprKind kind = e->kind;
1510 llassert(kind == term);
1512 t = constraintExprData_termGetTerm (data);
1513 llassert (constraintTerm_isDefined(t) );
1516 /*@i1*/ switch (t->kind)
1519 DPRINTF((message ("%q @ %q ", constraintTerm_print(t),
1520 fileloc_unparse (constraintTerm_getFileloc(t) ) ) ));
1523 DPRINTF((message (" %q ", constraintTerm_print (t)) ));
1527 DPRINTF (( message("Doing sRef_fixConstraintParam for %q ",
1528 constraintTerm_print (t) ) ));
1529 ret = sRef_fixConstraintParam (constraintTerm_getSRef(t), arglist);
1531 constraintExpr_free(e);
1533 DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ",
1534 constraintExpr_print (ret) ) ));
1544 /* bool constraintExpr_includesTerm (constraintExpr expr, constraintTerm term) */
1546 /* if (constraintTerm_hasTerm (expr->term, term) ) */
1549 /* if ( (expr->expr) != NULL) */
1551 /* return ( constraintExpr_includesTerm (expr->expr, term) ); */
1557 /*drl added 6/11/01 */
1558 bool constraintExpr_isBinaryExpr (/*@observer@*/ constraintExpr c)
1560 if (c->kind == binaryexpr)
1567 static void binaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f)
1569 constraintExpr expr1;
1570 constraintExprBinaryOpKind binaryOp;
1571 constraintExpr expr2;
1574 binaryOp = constraintExprData_binaryExprGetOp (data);
1576 fprintf(f, "%d\n", (int) binaryOp);
1578 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1579 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1583 constraintExpr_dump(expr1, f);
1586 constraintExpr_dump(expr2, f);
1590 static constraintExpr binaryExpr_undump (FILE *f)
1592 constraintExpr expr1;
1593 constraintExprBinaryOpKind binaryOp;
1594 constraintExpr expr2;
1603 str = mstring_create (MAX_DUMP_LINE_LENGTH);
1605 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
1608 binaryOp = (constraintExprBinaryOpKind) reader_getInt(&str);
1610 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
1612 reader_checkChar (&str, 'e');
1613 reader_checkChar (&str, '1');
1615 expr1 = constraintExpr_undump (f);
1617 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
1619 reader_checkChar (&str, 'e');
1620 reader_checkChar (&str, '2');
1622 expr2 = constraintExpr_undump (f);
1624 ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2);
1625 ret->data = constraintExprData_binaryExprSetOp(ret->data, binaryOp);
1633 static void unaryExpr_dump (/*@observer@*/ constraintExprData data, FILE *f)
1636 constraintExpr expr;
1637 constraintExprUnaryOpKind unaryOp;
1639 unaryOp = constraintExprData_unaryExprGetOp (data);
1641 fprintf(f, "%d\n", (int) unaryOp);
1643 expr = constraintExprData_unaryExprGetExpr (data);
1645 constraintExpr_dump(expr, f);
1648 static constraintExpr unaryExpr_undump ( FILE *f)
1651 constraintExpr expr;
1652 constraintExprUnaryOpKind unaryOp;
1658 str = mstring_create (MAX_DUMP_LINE_LENGTH);
1660 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
1662 unaryOp = (constraintExprUnaryOpKind) reader_getInt(&str);
1664 expr = constraintExpr_undump (f);
1666 ret = constraintExpr_makeUnaryOp (expr, unaryOp);
1673 void constraintExpr_dump (/*@observer@*/ constraintExpr expr, FILE *f)
1675 constraintExprKind kind;
1681 fprintf(f,"%d\n", (int) kind);
1686 t = constraintExprData_termGetTerm (expr->data);
1687 constraintTerm_dump (t, f);
1690 unaryExpr_dump (expr->data, f);
1693 binaryExpr_dump (expr->data, f);
1698 /*@only@*/ constraintExpr constraintExpr_undump (FILE *f)
1700 constraintExprKind kind;
1707 s = mstring_create (MAX_DUMP_LINE_LENGTH);
1711 s = fgets(os, MAX_DUMP_LINE_LENGTH, f);
1713 kind = (constraintExprKind) reader_getInt(&s);
1720 t = constraintTerm_undump (f);
1721 ret = constraintExpr_makeTerm(t);
1724 ret = unaryExpr_undump (f);
1727 ret = binaryExpr_undump (f);