7 # include "lclintMacros.nf"
10 # include "cgrammar_tokens.h"
12 # include "exprChecks.h"
13 # include "aliasChecks.h"
14 # include "exprNodeSList.h"
17 # include "exprData.i"
18 # include "exprDataQuite.i"
25 /*@access exprNode @*/
27 static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/constraintExpr expr, int literal);
29 /*@only@*/ static constraintExpr
30 doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@temp@*/ /*@observer@*/ exprNodeList arglist) /*@modifies e@*/;
32 static /*@only@*/ constraintExpr
33 doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall)
37 /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) /*@allocates result->data @*/ /*@sets result->kind @*/;
39 //constraintExpr constraintExpr_makeMaxSetConstraintExpr (constraintExpr c);
41 void constraintExpr_free (/*@only@*/ constraintExpr expr)
43 if (constraintExpr_isDefined(expr) )
48 constraintExprData_freeUnaryExpr(expr->data);
51 constraintExprData_freeBinaryExpr(expr->data);
54 constraintExprData_freeTerm(expr->data);
65 llcontbug(message("attempted to free null pointer in constraintExpr_free"));
69 bool constraintExpr_isLit (constraintExpr expr)
71 llassert (expr != NULL);
73 if (expr->kind == term)
75 constraintTerm term = constraintExprData_termGetTerm (expr->data);
76 if (constraintTerm_isIntLiteral (term) )
86 /*@only@*/ constraintExpr constraintExpr_propagateConstants (/*@only@*/ constraintExpr expr,
87 /*@out@*/ bool * propagate,
88 /*@out@*/ int *literal)
92 bool propagate1, propagate2;
93 int literal1, literal2;
94 constraintExprBinaryOpKind op;
105 llassert (expr != NULL);
107 // we simplify unaryExpr else where
108 if (expr->kind != binaryexpr)
111 op = constraintExprData_binaryExprGetOp (expr->data);
113 DPRINTF( (message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) );
115 expr1 = constraintExprData_binaryExprGetExpr1(expr->data);
116 expr2 = constraintExprData_binaryExprGetExpr2(expr->data);
118 expr1 = constraintExpr_copy(expr1);
119 expr2 = constraintExpr_copy(expr2);
121 expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1);
122 expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2);
124 *propagate = propagate1 || propagate2;
125 *literal = literal1 + literal2;
127 if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) )
130 t1 = constraintExpr_getValue (expr1);
131 t2 = constraintExpr_getValue (expr2);
134 constraintExpr_free (expr);
135 constraintExpr_free (expr1);
136 constraintExpr_free (expr2);
139 return (constraintExpr_makeIntLiteral ( (t1+t2) ));
140 else if (op == MINUS)
141 return (constraintExpr_makeIntLiteral ( (t1-t2) ));
149 if (constraintExpr_isLit (expr1) )
154 *literal += constraintExpr_getValue (expr1);
156 *literal -= constraintExpr_getValue (expr1);
158 constraintExpr_free(expr1);
159 constraintExpr_free(expr);
163 if (constraintExpr_isLit (expr2) )
168 *literal += constraintExpr_getValue (expr2);
170 *literal -= constraintExpr_getValue (expr2);
172 constraintExpr_free(expr2);
173 constraintExpr_free(expr);
177 DPRINTF( (message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) );
179 expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1);
180 expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2);
185 // constraintExpr constraintExpr_propagateConstantsBak (constraintExpr expr,
186 // /*@out@*/ bool * propagate,
187 // /*@out@*/ int *literal)
189 // constraintExpr expr1;
190 // constraintExpr expr2;
191 // bool propagate1, propagate2;
192 // int literal1, literal2;
194 // propagate1 = FALSE;
195 // propagate2 = FALSE;
200 // *propagate = FALSE;
203 // llassert (expr != NULL);
205 // // we simplify unaryExpr else where
206 // if (expr->kind == unaryExpr)
209 // if (expr->kind == term)
212 // if (constraintExpr_isLit (expr) )
215 // DPRINTF( (message("constraintExpr_propagateConstants: binaryexpr: %s", constraintExpr_unparse(expr) ) ) );
217 // expr1 = constraintExprData_binaryExprGetExpr1(expr->data);
218 // expr2 = constraintExprData_binaryExprGetExpr2(expr->data);
220 // expr1 = constraintExpr_propagateConstants (expr1, &propagate1, &literal1);
221 // expr2 = constraintExpr_propagateConstants (expr2, &propagate2, &literal2);
223 // expr->data = constraintExprData_binaryExprSetExpr1 (expr->data, expr1);
224 // expr->data = constraintExprData_binaryExprSetExpr2 (expr->data, expr2);
226 // *propagate = propagate1 || propagate2;
227 // *literal = literal1 + literal2;
229 // if ( constraintExpr_isLit (expr1) && constraintExpr_isLit (expr2) )
232 // t1 = constraintExpr_getValue (expr1);
233 // t2 = constraintExpr_getValue (expr2);
234 // *propagate = FALSE;
236 // if (constraintExprData_binaryExprGetOp (expr->data) == PLUS )
237 // return (constraintExpr_makeIntLiteral ( (t1+t2) ));
238 // else if (constraintExprData_binaryExprGetOp (expr->data) == MINUS)
239 // return (constraintExpr_makeIntLiteral ( (t1-t2) ));
244 // if (constraintExpr_isLit (expr1) )
247 // /*handle MINUS case right */
248 // *propagate = TRUE;
249 // *literal += constraintExpr_getValue (expr1);
256 // if (constraintExpr_isLit (expr2) )
258 // *propagate = TRUE;
260 // if (constraintExprData_binaryExprGetOp (expr->data) == PLUS )
261 // *literal += constraintExpr_getValue (expr2);
263 // *literal -= constraintExpr_getValue (expr2);
270 // DPRINTF( (message("constraintExpr_propagateConstants returning: %s", constraintExpr_unparse(expr) ) ) );
276 /*@only@*/ static constraintExpr constraintExpr_combineConstants (/*@only@*/ constraintExpr expr ) /*@modifies expr@*/
281 DPRINTF ( (message ("Before combine %s", constraintExpr_unparse(expr) ) ) );
282 expr = constraintExpr_propagateConstants (expr, &propagate, &literal);
291 ret = constraintExpr_makeBinaryOpConstraintExprIntLiteral (expr, literal);
295 DPRINTF ( (message ("After combine %s", constraintExpr_unparse(expr) ) ) );
300 static constraintExpr constraintExpr_alloc (void) /*@post:isnull result->data@*/
303 ret = dmalloc (sizeof (*ret) );
309 /*@only@*/ static constraintExprData copyExprData (/*@observer@*/ constraintExprData data, constraintExprKind kind)
311 constraintExprData ret;
312 llassert(constraintExprData_isDefined(data));
317 ret = constraintExprData_copyBinaryExpr(data);
320 ret = constraintExprData_copyUnaryExpr(data);
323 ret = constraintExprData_copyTerm(data);
331 constraintExpr constraintExpr_copy (constraintExpr expr)
334 ret = constraintExpr_alloc();
335 ret->kind = expr->kind;
337 ret->data = copyExprData (expr->data, expr->kind);
342 /*@only@*/ static constraintExpr oldconstraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e)
346 ret = constraintExpr_alloc();
348 ret->data = dmalloc (sizeof *(ret->data) );
349 t = constraintTerm_makeExprNode (e);
350 ret->data = constraintExprData_termSetTerm (ret->data, t);
354 constraintExpr constraintExpr_makeExprNode (/*@exposed@*/ exprNode e)
357 constraintExpr ret, ce1, ce2;
363 llassert (e != NULL);
370 t = exprData_getSingle (data);
371 s = exprNode_getSref (t);
372 if (sRef_isFixedArray(s) )
376 size = (int) sRef_getArraySize(s);
377 ret = constraintExpr_makeIntLiteral (size);
381 DPRINTF ((message ("could not determine the size of %s", exprNode_unparse (e) ) ) );
382 ret = oldconstraintExpr_makeTermExprNode (e);
387 DPRINTF ((message ("Examining operation %s", exprNode_unparse (e) ) ) );
388 t1 = exprData_getOpA (data);
389 t2 = exprData_getOpB (data);
390 tok = exprData_getOpTok (data);
392 if (lltok_isPlus_Op (tok) || lltok_isMinus_Op (tok) )
394 ce1 = constraintExpr_makeExprNode (t1);
395 ce2 = constraintExpr_makeExprNode (t2);
396 ret = constraintExpr_parseMakeBinaryOp (ce1, tok, ce2);
400 ret = oldconstraintExpr_makeTermExprNode (e);
404 t = exprData_getUopNode (data);
405 ret = constraintExpr_makeExprNode (t);
409 t = exprData_getUopNode (data);
410 tok = exprData_getUopTok (data);
411 if (lltok_isInc_Op (tok) )
414 temp = constraintExpr_makeExprNode(t);
415 ret = constraintExpr_makeIncConstraintExpr(temp);
417 else if (lltok_isDec_Op (tok) )
420 temp = constraintExpr_makeExprNode(t);
421 ret = constraintExpr_makeDecConstraintExpr(temp);
424 ret = oldconstraintExpr_makeTermExprNode (e);
428 t = exprData_getUopNode (data);
429 ret = constraintExpr_makeExprNode (t);
432 t = exprData_getCastNode (data);
433 ret = constraintExpr_makeExprNode (t);
436 t = exprData_getPairA(data);
437 ret = constraintExpr_makeExprNode(t);
438 /*@i3434*/ /*I'm not sure if this is right. I'm adding a break to quite LCLint*/
441 ret = oldconstraintExpr_makeTermExprNode (e);
448 /*@only@*/ static constraintExpr constraintExpr_makeTermExprNode (/*@exposed@*/ exprNode e)
450 return oldconstraintExpr_makeTermExprNode(e); //constraintExpr_makeExprNode (e);
454 constraintExpr constraintExpr_makeTermsRef ( sRef s)
458 ret = constraintExpr_alloc();
460 ret->data = dmalloc (sizeof *(ret->data) );
461 t = constraintTerm_makesRef (s);
462 ret->data = constraintExprData_termSetTerm (ret->data, t);
466 /*@special@*/ static constraintExpr constraintExpr_makeUnaryOp (void) /*@allocates result->data@*/ /*@defines result->kind@*/
469 ret = constraintExpr_alloc();
470 ret->kind = unaryExpr;
471 ret->data = dmalloc ( sizeof *(ret->data) );
475 /*@only@*/ static constraintExpr constraintExpr_makeUnaryOpConstraintExpr (/*@only@*/ constraintExpr cexpr)
478 ret = constraintExpr_makeUnaryOp();
482 ret->data = constraintExprData_unaryExprSetExpr (ret->data, cexpr);
483 ret->data = constraintExprData_unaryExprSetOp (ret->data, UNARYOP_UNDEFINED);
492 static constraintExpr constraintExpr_makeMaxSetConstraintExpr (/*@only@*/ constraintExpr c)
495 ret = constraintExpr_makeUnaryOpConstraintExpr (c);
496 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET);
501 static constraintExpr constraintExpr_makeUnaryOpExprNode (/*@exposed@*/ exprNode expr)
505 sub = constraintExpr_makeExprNode (expr);
506 ret = constraintExpr_makeUnaryOpConstraintExpr(sub);
514 static constraintExpr constraintExpr_makeSRefUnaryOp (/*@exposed@*/ sRef s, constraintExprUnaryOpKind op)
519 t = constraintExpr_makeTermsRef (s);
520 ret = constraintExpr_makeUnaryOpConstraintExpr (t);
521 ret->data = constraintExprData_unaryExprSetOp (ret->data, op);
527 constraintExpr constraintExpr_makeSRefMaxRead(/*@exposed@*/ sRef s)
529 return (constraintExpr_makeSRefUnaryOp (s, MAXREAD) );
533 constraintExpr constraintExpr_makeSRefMaxset (/*@exposed@*/ sRef s)
535 return (constraintExpr_makeSRefUnaryOp (s, MAXSET) );
539 constraintExpr constraintExpr_parseMakeUnaryOp (lltok op, constraintExpr cexpr)
542 ret = constraintExpr_makeUnaryOpConstraintExpr ( cexpr);
547 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXSET);
550 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD);
553 llfatalbug(message("Unhandled Operation in Constraint") );
559 constraintExpr constraintExpr_makeMaxSetExpr (/*@exposed@*/ exprNode expr)
562 ret = constraintExpr_makeExprNode (expr);
564 ret = constraintExpr_makeMaxSetConstraintExpr (ret);
566 llassert (ret != NULL);
571 constraintExpr constraintExpr_makeMaxReadExpr (exprNode expr)
574 ret = constraintExpr_makeUnaryOpExprNode(expr);
575 ret->data = constraintExprData_unaryExprSetOp (ret->data, MAXREAD);
580 /*@unused@*/ constraintExpr constraintExpr_makeMinSetExpr (/*@exposed@*/ exprNode expr)
583 ret = constraintExpr_makeUnaryOpExprNode(expr);
584 ret->data = constraintExprData_unaryExprSetOp (ret->data, MINSET);
589 /*@unused@*/ constraintExpr constraintExpr_makeMinReadExpr (/*@exposed@*/ exprNode expr)
592 ret = constraintExpr_makeUnaryOpExprNode(expr);
593 ret->data = constraintExprData_unaryExprSetOp (ret->data, MINREAD);
599 constraintExpr constraintExpr_makeValueExpr (/*@exposed@*/ exprNode expr)
602 ret = constraintExpr_makeExprNode (expr);
607 constraintExpr constraintExpr_makeIntLiteral (int i)
611 ret = constraintExpr_alloc();
613 ret->data = dmalloc (sizeof *(ret->data) );
614 t = constraintTerm_makeIntLiteral (i);
615 ret->data = constraintExprData_termSetTerm (ret->data, t);
620 constraintExpr constraintExpr_makeValueInt (int i)
622 return constraintExpr_makeIntLiteral (i);
627 /*@special@*/ static constraintExpr constraintExpr_makeBinaryOp (void) /*@allocates result->data @*/ /*@sets result->kind @*/
630 ret = constraintExpr_alloc();
631 ret->kind = binaryexpr;
632 ret->data = dmalloc ( sizeof *(ret->data) );
633 ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED);
638 static /*@only@*/ constraintExpr constraintExpr_makeBinaryOpConstraintExpr (/*@only@*/constraintExpr expr1, /*@only@*/ constraintExpr expr2)
643 ret = constraintExpr_makeBinaryOp();
644 ret->data = constraintExprData_binaryExprSetExpr1 (ret->data, expr1);
645 ret->data = constraintExprData_binaryExprSetExpr2 (ret->data, expr2);
646 ret->data = constraintExprData_binaryExprSetOp (ret->data, BINARYOP_UNDEFINED);
651 constraintExpr constraintExpr_parseMakeBinaryOp (/*@only@*/ constraintExpr expr1, lltok op,/*@only@*/ constraintExpr expr2)
654 ret = constraintExpr_makeBinaryOpConstraintExpr (expr1, expr2);
656 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
657 else if (op.tok == TMINUS)
658 ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS);
667 /*@unused@*/ constraintExpr constraintExpr_makeBinaryOpExprNode (/*@exposed@*/ exprNode expr1, /*@exposed@*/ exprNode expr2)
670 constraintExpr sub1, sub2;
671 sub1 = constraintExpr_makeTermExprNode (expr1);
672 sub2 = constraintExpr_makeTermExprNode (expr2);
673 ret = constraintExpr_makeBinaryOpConstraintExpr(sub1, sub2);
678 constraintExpr constraintExpr_makeBinaryOpConstraintExprIntLiteral (/*@only@*/ constraintExpr expr, int literal)
681 constraintExpr constExpr;
683 constExpr = constraintExpr_makeIntLiteral (literal);
684 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, constExpr);
685 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
690 constraintExpr constraintExpr_makeDecConstraintExpr (/*@only@*/constraintExpr expr)
695 inc = constraintExpr_makeIntLiteral (1);
696 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc);
697 ret->data = constraintExprData_binaryExprSetOp(ret->data, MINUS);
702 constraintExpr constraintExpr_makeAddConstraintExpr (/*@only@*/
703 constraintExpr expr, /*@only@*/
708 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, add);
710 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
716 constraintExpr constraintExpr_makeIncConstraintExpr (/*@only@*/ constraintExpr expr)
721 inc = constraintExpr_makeIntLiteral (1);
722 ret = constraintExpr_makeBinaryOpConstraintExpr (expr, inc);
723 ret->data = constraintExprData_binaryExprSetOp(ret->data, PLUS);
728 static cstring constraintExprUnaryOpKind_print (constraintExprUnaryOpKind op)
733 return message("MAXSET");
735 return message("MINSET");
737 return message("MAXREAD");
739 return message("MINREAD");
742 return message ("<(Unary OP OTHER>");
748 static cstring constraintExprBinaryOpKind_print (constraintExprBinaryOpKind op)
760 return message ("<binary OP Unknown>");
764 bool constraintExpr_similar (constraintExpr expr1, constraintExpr expr2)
766 constraintExprKind kind;
768 llassert (expr1 != NULL);
769 llassert (expr2 != NULL);
770 if (expr1->kind != expr2->kind)
778 return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data),
779 constraintExprData_termGetTerm(expr2->data) );
780 /*@notreached@*/ break;
783 if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) )
786 return (constraintExpr_similar (
787 constraintExprData_unaryExprGetExpr (expr1->data),
788 constraintExprData_unaryExprGetExpr (expr2->data)
792 if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) )
795 if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr1 (expr1->data),
796 constraintExprData_binaryExprGetExpr1 (expr2->data)) )
799 if (! constraintExpr_similar (constraintExprData_binaryExprGetExpr2 (expr1->data),
800 constraintExprData_binaryExprGetExpr2 (expr2->data)) )
815 bool constraintExpr_same (constraintExpr expr1, constraintExpr expr2)
817 constraintExprKind kind;
819 llassert (expr1 != NULL);
820 llassert (expr2 != NULL);
821 if (expr1->kind != expr2->kind)
829 return constraintTerm_similar (constraintExprData_termGetTerm(expr1->data),
830 constraintExprData_termGetTerm(expr2->data) );
831 /*@notreached@*/ break;
834 if (constraintExprData_unaryExprGetOp (expr1->data) != constraintExprData_unaryExprGetOp (expr2->data) )
837 return (constraintExpr_same (
838 constraintExprData_unaryExprGetExpr (expr1->data),
839 constraintExprData_unaryExprGetExpr (expr2->data)
844 if (constraintExprData_binaryExprGetOp (expr1->data) != constraintExprData_binaryExprGetOp (expr2->data) )
847 if (! constraintExpr_same (constraintExprData_binaryExprGetExpr1 (expr1->data),
848 constraintExprData_binaryExprGetExpr1 (expr2->data)) )
851 if (! constraintExpr_same (constraintExprData_binaryExprGetExpr2 (expr1->data),
852 constraintExprData_binaryExprGetExpr2 (expr2->data)) )
856 /*@notreached@*/ break;
867 bool constraintExpr_search (/*@observer@*/ constraintExpr c, /*@observer@*/ constraintExpr old)
870 constraintExprKind kind;
873 if ( constraintExpr_similar (c, old) )
875 DPRINTF((message ("Found %q",
876 constraintExpr_unparse(old)
888 temp = constraintExprData_unaryExprGetExpr (c->data);
889 ret = ret || constraintExpr_search (temp, old);
893 temp = constraintExprData_binaryExprGetExpr1 (c->data);
894 ret = ret || constraintExpr_search(temp, old);
896 temp = constraintExprData_binaryExprGetExpr2 (c->data);
897 ret = ret || constraintExpr_search(temp, old);
907 /*@only@*/ constraintExpr constraintExpr_searchandreplace (/*@only@*/ /*@unique@*/ constraintExpr c, constraintExpr old, constraintExpr new )
909 constraintExprKind kind;
912 if ( constraintExpr_similar (c, old) )
915 DPRINTF((message ("Replacing %s with %s",
916 constraintExpr_unparse(old), constraintExpr_unparse(new)
918 constraintExpr_free(c);
919 return constraintExpr_copy (new);
929 temp = constraintExprData_unaryExprGetExpr (c->data);
930 temp = constraintExpr_copy(temp);
931 temp = constraintExpr_searchandreplace (temp, old, new);
932 c->data = constraintExprData_unaryExprSetExpr (c->data, temp);
936 temp = constraintExprData_binaryExprGetExpr1 (c->data);
937 temp = constraintExpr_copy(temp);
938 temp = constraintExpr_searchandreplace (temp, old, new);
939 c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp);
941 temp = constraintExprData_binaryExprGetExpr2 (c->data);
942 temp = constraintExpr_copy(temp);
943 temp = constraintExpr_searchandreplace (temp, old, new);
944 c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp);
953 static constraintExpr constraintExpr_simplifyChildren (/*@returned@*/ constraintExpr c)
955 constraintExprKind kind;
965 temp = constraintExprData_unaryExprGetExpr (c->data);
966 temp = constraintExpr_copy(temp);
967 temp = constraintExpr_simplify (temp);
968 c->data = constraintExprData_unaryExprSetExpr (c->data, temp);
971 DPRINTF((message("constraintExpr_simplfiyChildren: simplify binary expression: %s",constraintExpr_unparse(c) ) ) );
972 temp = constraintExprData_binaryExprGetExpr1 (c->data);
973 temp = constraintExpr_copy(temp);
974 temp = constraintExpr_simplify (temp);
976 c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp);
978 temp = constraintExprData_binaryExprGetExpr2 (c->data);
979 temp = constraintExpr_copy(temp);
980 temp = constraintExpr_simplify (temp);
982 c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp);
992 constraintExpr constraintExpr_setFileloc (/*@returned@*/ constraintExpr c, fileloc loc) /*@modifies c->data @*/
1002 t = constraintExprData_termGetTerm (c->data);
1003 t = constraintTerm_copy(t);
1004 t = constraintTerm_setFileloc (t, loc);
1005 c->data = constraintExprData_termSetTerm (c->data, t);
1009 temp = constraintExprData_binaryExprGetExpr1 (c->data);
1010 temp = constraintExpr_copy(temp);
1011 temp = constraintExpr_setFileloc (temp, loc);
1012 c->data = constraintExprData_binaryExprSetExpr1 (c->data, temp);
1014 temp = constraintExprData_binaryExprGetExpr2 (c->data);
1015 temp = constraintExpr_copy(temp);
1016 temp = constraintExpr_setFileloc (temp, loc);
1017 c->data = constraintExprData_binaryExprSetExpr2 (c->data, temp);
1020 temp = constraintExprData_unaryExprGetExpr (c->data);
1021 temp = constraintExpr_copy(temp);
1022 temp = constraintExpr_setFileloc (temp, loc);
1023 c->data = constraintExprData_unaryExprSetExpr (c->data, temp);
1029 static /*@only@*/ constraintExpr constraintExpr_simplifybinaryExpr (/*@only@*/constraintExpr c)
1031 constraintExpr e1, e2;
1033 e1 = constraintExprData_binaryExprGetExpr1 (c->data);
1034 e2 = constraintExprData_binaryExprGetExpr2 (c->data);
1036 if (constraintExpr_canGetValue (e1) && constraintExpr_canGetValue(e2) )
1040 i = constraintExpr_getValue(e1) + constraintExpr_getValue (e2);
1041 constraintExpr_free(c);
1042 c = constraintExpr_makeIntLiteral (i);
1049 static /*@only@*/ constraintExpr constraintExpr_subtractExpr (/*@only@*/ constraintExpr expr, /*@only@*/ constraintExpr addent)
1053 DPRINTF ( (message ("Doing subtraceTerm simplification") ) );
1055 new = constraintExpr_makeBinaryOpConstraintExpr (expr, addent);
1056 new->data = constraintExprData_binaryExprSetOp (new->data, MINUS);
1061 static constraintExpr constraintExpr_addExpr (/*@only@*/
1062 constraintExpr expr, /*@only@*/
1063 constraintExpr addent)
1067 DPRINTF ( (message ("Doing addTerm simplification") ) );
1069 new = constraintExpr_makeBinaryOpConstraintExpr (expr, addent);
1070 new->data = constraintExprData_binaryExprSetOp (new->data, PLUS);
1075 this thing takes the lexpr and expr of a constraint and modifies lexpr
1076 and returns a (possiblly new) value for expr
1078 /* 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 */
1080 /* the approach is a little Kludgy but seems to work. I should probably use something cleaner at some point ... */
1083 /*@only@*/ constraintExpr constraintExpr_solveBinaryExpr (constraintExpr lexpr, /*@only@*/ constraintExpr expr)
1085 constraintExpr expr1, expr2;
1086 constraintExprBinaryOpKind op;
1088 if (lexpr->kind != binaryexpr)
1091 expr2 = constraintExprData_binaryExprGetExpr2 (lexpr->data);
1092 expr1 = constraintExprData_binaryExprGetExpr1 (lexpr->data);
1094 op = constraintExprData_binaryExprGetOp (lexpr->data);
1096 expr1 = constraintExpr_copy(expr1);
1097 expr2 = constraintExpr_copy(expr2);
1099 #warning make sure this works
1101 lexpr->kind = expr1->kind;
1104 lexpr->data = copyExprData (expr1->data, expr1->kind);
1108 expr = constraintExpr_subtractExpr (expr, expr2);
1109 else if (op == MINUS)
1110 expr = constraintExpr_addExpr (expr, expr2);
1118 #warning this needs to be checked
1119 expr = constraintExpr_solveBinaryExpr (expr1, expr);
1121 expr = constraintExpr_solveBinaryExpr (expr2, expr);
1126 static /*@only@*/ constraintExpr constraintExpr_simplifyunaryExpr (/*@only@*/ constraintExpr c)
1130 llassert (c->kind == unaryExpr);
1132 DPRINTF ( (message ("Doing constraintExpr_simplifyunaryExpr:%s", constraintExpr_unparse (c) ) ) );
1134 if ( (constraintExprData_unaryExprGetOp (c->data) != MAXSET) &&
1135 (constraintExprData_unaryExprGetOp (c->data) != MAXREAD) )
1139 // pattern mxr ( var + const) = mxr(var) - const
1141 exp = constraintExprData_unaryExprGetExpr (c->data);
1143 if (exp->kind == term)
1145 constraintTerm cterm;
1147 cterm = constraintExprData_termGetTerm (exp->data);
1149 if (constraintTerm_isStringLiteral(cterm) )
1152 val = constraintTerm_getStringLiteral (cterm);
1153 if (constraintExprData_unaryExprGetOp (c->data) == MAXSET)
1155 constraintExpr temp;
1157 temp = constraintExpr_makeIntLiteral ((int)strlen (val) );
1159 constraintExpr_free(c);
1162 if (constraintExprData_unaryExprGetOp (c->data) == MAXREAD)
1164 constraintExpr temp;
1166 temp = constraintExpr_makeIntLiteral ((int)strlen (val) );
1168 constraintExpr_free(c);
1176 if (exp->kind != binaryexpr)
1179 if (constraintExprData_binaryExprGetOp (exp->data) == PLUS )
1182 // if (constraintExpr_canGetValue (constraintExprData_binaryExprGetExpr2 (exp->data) ) )
1185 constraintExpr temp, temp2;
1187 DPRINTF ( (message ("Doing fancy simplification") ) );
1189 temp = constraintExprData_binaryExprGetExpr2 (exp->data);
1191 temp2 = constraintExprData_binaryExprGetExpr1 (exp->data);
1193 temp2 = constraintExpr_copy(temp2);
1194 c->data = constraintExprData_unaryExprSetExpr (c->data, temp2);
1197 temp = constraintExpr_copy (temp);
1199 c = constraintExpr_subtractExpr (c, temp);
1201 DPRINTF ( (message ("Done fancy simplification:%s", constraintExpr_unparse (c) ) ) );
1205 DPRINTF ( (message ("Done simplification:%s", constraintExpr_unparse (c) ) ) );
1210 /*@only@*/ constraintExpr constraintExpr_simplify (/*@only@*/ constraintExpr c)
1212 constraintExprKind kind;
1216 DPRINTF ( (message ("Doing constraintExpr_simplify:%s", constraintExpr_unparse (c) ) ) );
1221 /*I think this is an LCLint bug */
1223 ret = constraintExpr_copy(c);
1225 constraintExpr_free(c);
1227 ret = constraintExpr_simplifyChildren (ret);
1229 ret = constraintExpr_combineConstants (ret);
1231 ret = constraintExpr_simplifyChildren (ret);
1239 t = constraintExprData_termGetTerm (ret->data);
1240 t = constraintTerm_copy(t);
1241 t = constraintTerm_simplify (t);
1242 ret->data = constraintExprData_termSetTerm (ret->data, t);
1245 ret = constraintExpr_simplifyunaryExpr (ret);
1248 ret = constraintExpr_simplifybinaryExpr (ret);
1254 DPRINTF ( (message ("constraintExpr_simplify returning :%s", constraintExpr_unparse (ret) ) ) );
1260 cstring constraintExpr_unparse (/*@temp@*/ /*@observer@*/ constraintExpr ex) /*@*/
1263 constraintExprKind kind;
1265 llassert (ex != NULL);
1272 st = message ("(%q) ", constraintTerm_print (constraintExprData_termGetTerm(ex->data) ) );
1275 st = message ("%q (%q)",
1276 constraintExprUnaryOpKind_print (constraintExprData_unaryExprGetOp (ex->data)
1278 constraintExpr_unparse (constraintExprData_unaryExprGetExpr (ex->data) )
1282 st = message ("(%q) %q (%q)",
1283 constraintExpr_unparse (constraintExprData_binaryExprGetExpr1 (ex->data) ),
1284 constraintExprBinaryOpKind_print (constraintExprData_binaryExprGetOp (ex->data)
1286 constraintExpr_unparse (constraintExprData_binaryExprGetExpr2 (ex->data) )
1291 st = message ("error");
1295 DPRINTF((message ("constraintExpr_unparse: '%s'",st) ) );
1299 constraintExpr constraintExpr_doSRefFixBaseParam (/*@returned@*/ constraintExpr expr, exprNodeList arglist)
1301 constraintTerm Term;
1302 constraintExprKind kind;
1303 constraintExpr expr1, expr2;
1304 constraintExprData data;
1305 llassert (expr != NULL);
1314 Term = constraintExprData_termGetTerm(data);
1315 Term = constraintTerm_copy(Term);
1317 Term = constraintTerm_doSRefFixBaseParam (Term, arglist);
1318 data = constraintExprData_termSetTerm(data, Term);
1321 expr1 = constraintExprData_unaryExprGetExpr (data);
1322 expr1 = constraintExpr_copy(expr1);
1324 expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist);
1325 data = constraintExprData_unaryExprSetExpr (data, expr1);
1328 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1329 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1331 expr1 = constraintExpr_copy(expr1);
1332 expr2 = constraintExpr_copy(expr2);
1334 expr1 = constraintExpr_doSRefFixBaseParam (expr1, arglist);
1335 data = constraintExprData_binaryExprSetExpr1 (data, expr1);
1336 expr2 = constraintExpr_doSRefFixBaseParam (expr2, arglist);
1337 data = constraintExprData_binaryExprSetExpr2 (data, expr2);
1347 /*@only@*/ constraintExpr constraintExpr_doSRefFixConstraintParam (/*@only@*/ constraintExpr expr, exprNodeList arglist) /*@modifies expr@*/
1349 constraintExprKind kind;
1350 constraintExpr expr1, expr2;
1351 constraintExprData data;
1352 llassert (expr != NULL);
1361 expr = doSRefFixConstraintParamTerm (expr, arglist);
1364 expr1 = constraintExprData_unaryExprGetExpr (data);
1365 expr1 = constraintExpr_copy(expr1);
1366 expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist);
1367 data = constraintExprData_unaryExprSetExpr (data, expr1);
1370 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1371 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1373 expr1 = constraintExpr_copy(expr1);
1374 expr2 = constraintExpr_copy(expr2);
1376 expr1 = constraintExpr_doSRefFixConstraintParam (expr1, arglist);
1377 data = constraintExprData_binaryExprSetExpr1 (data, expr1);
1378 expr2 = constraintExpr_doSRefFixConstraintParam (expr2, arglist);
1379 data = constraintExprData_binaryExprSetExpr2 (data, expr2);
1389 /*@only@*/ constraintExpr constraintExpr_doFixResult (/*@only@*/ constraintExpr expr, exprNode fcnCall)
1391 constraintExprKind kind;
1392 constraintExpr expr1, expr2;
1393 constraintExprData data;
1394 llassert (expr != NULL);
1403 expr = doFixResultTerm (expr, fcnCall);
1406 expr1 = constraintExprData_unaryExprGetExpr (data);
1407 expr1 = constraintExpr_copy(expr1);
1409 expr1 = constraintExpr_doFixResult (expr1, fcnCall);
1410 data = constraintExprData_unaryExprSetExpr (data, expr1);
1413 expr1 = constraintExprData_binaryExprGetExpr1 (data);
1414 expr2 = constraintExprData_binaryExprGetExpr2 (data);
1416 expr1 = constraintExpr_copy(expr1);
1417 expr2 = constraintExpr_copy(expr2);
1419 expr1 = constraintExpr_doFixResult (expr1, fcnCall);
1420 data = constraintExprData_binaryExprSetExpr1 (data, expr1);
1421 expr2 = constraintExpr_doFixResult (expr2, fcnCall);
1422 data = constraintExprData_binaryExprSetExpr2 (data, expr2);
1432 cstring constraintExpr_print (constraintExpr expr) /*@*/
1434 return constraintExpr_unparse(expr);
1437 bool constraintExpr_hasMaxSet (constraintExpr expr) /*@*/
1441 t = constraintExpr_unparse(expr);
1443 if (strstr (t, "MAXSET") != NULL )
1457 /*returns 1 0 -1 like strcmp
1462 int constraintExpr_compare (constraintExpr expr1, constraintExpr expr2)
1466 if (constraintExpr_similar (expr1, expr2) )
1470 value1 = constraintExpr_getValue(expr1);
1471 value2 = constraintExpr_getValue(expr2);
1473 if (value1 > value2)
1476 if (value1 == value2)
1483 int constraintExpr_getValue (constraintExpr expr)
1485 llassert (expr->kind == term);
1486 return (constraintTerm_getValue (constraintExprData_termGetTerm (expr->data) ) );
1489 bool constraintExpr_canGetValue (constraintExpr expr)
1494 return constraintTerm_canGetValue (constraintExprData_termGetTerm (expr->data) );
1503 fileloc constraintExpr_getFileloc (constraintExpr expr)
1507 constraintExprKind kind;
1514 t = constraintExprData_termGetTerm (expr->data);
1515 return (constraintTerm_getFileloc (t) );
1519 e = constraintExprData_unaryExprGetExpr (expr->data);
1520 return (constraintExpr_getFileloc (e) );
1524 e = constraintExprData_binaryExprGetExpr1 (expr->data);
1525 return (constraintExpr_getFileloc (e) );
1530 return (fileloc_undefined);
1533 /*drl moved from constriantTerm.c 5/20/001*/
1534 static /*@only@*/ constraintExpr
1535 doFixResultTerm (/*@only@*/ constraintExpr e, /*@exposed@*/ exprNode fcnCall)
1539 /*maybe this should move to cosntraintExpr.c -drl7x 5/18/01*/
1540 /*@i22*/ constraintExprData data = e->data;
1542 /*@i22*/constraintExprKind kind = e->kind;
1546 llassert(kind == term);
1548 t = constraintExprData_termGetTerm (data);
1549 llassert (t != NULL);
1552 switch (constraintTerm_getKind(t) )
1560 s = constraintTerm_getSRef(t);
1561 if (sRef_isResult (s))
1563 ret = constraintExpr_makeExprNode(fcnCall);
1564 constraintExpr_free(e);
1580 /*drl moved from constriantTerm.c 5/20/001*/
1581 /*@only@*/ static constraintExpr
1582 doSRefFixConstraintParamTerm (/*@only@*/ constraintExpr e, /*@observer@*/ /*@temp@*/ exprNodeList arglist)
1586 constraintExprData data = e->data;
1588 constraintExprKind kind = e->kind;
1592 llassert(kind == term);
1594 t = constraintExprData_termGetTerm (data);
1595 llassert (t != NULL);
1598 /*@i1*/ switch (t->kind)
1601 DPRINTF((message ("%q @ %q ", constraintTerm_print(t),
1602 fileloc_unparse (constraintTerm_getFileloc(t) ) ) ));
1605 DPRINTF((message (" %q ", constraintTerm_print (t)) ));
1609 DPRINTF (( message("Doing sRef_fixConstraintParam for %q ",
1610 constraintTerm_print (t) ) ));
1611 ret = sRef_fixConstraintParam (t->value.sref, arglist);
1613 constraintExpr_free(e);
1615 DPRINTF (( message("After Doing sRef_fixConstraintParam constraintExpr is %q ",
1616 constraintExpr_print (ret) ) ));
1626 /* bool constraintExpr_includesTerm (constraintExpr expr, constraintTerm term) */
1628 /* if (constraintTerm_hasTerm (expr->term, term) ) */
1631 /* if ( (expr->expr) != NULL) */
1633 /* return ( constraintExpr_includesTerm (expr->expr, term) ); */
1639 /*drl added 6/11/01 */
1640 bool constraintExpr_isBinaryExpr (/*@observer@*/ constraintExpr c)
1642 if (c->kind == binaryexpr)