7 # include <ctype.h> /* for isdigit */
8 # include "lclintMacros.nf"
10 # include "cgrammar.h"
11 # include "cgrammar_tokens.h"
13 # include "exprChecks.h"
14 # include "exprNodeSList.h"
18 //#include "constraintExpr.h"
20 /*@access exprNode @*/
22 bool constraintTerm_isDefined (constraintTerm t)
27 /*@unused@*/ static bool constraintTerm_same (constraintTerm p_term1, constraintTerm p_term2) ;
29 void constraintTerm_free (/*@only@*/ constraintTerm term)
31 llassert (constraintTerm_isDefined (term));
33 fileloc_free (term->loc);
38 /* we don't free an exprNode*/
42 sRef_free (term->value.sref);
45 /* don't free an int */
47 case ERRORBADCONSTRAINTTERMTYPE:
49 /* type was set incorrectly */
50 llcontbug (message("constraintTerm_free type was set incorrectly"));
52 // term->value.intlit = 0;
53 term->kind = ERRORBADCONSTRAINTTERMTYPE;
57 /*@only@*/ static/*@out@*/ constraintTerm new_constraintTermExpr (void)
60 ret = dmalloc (sizeof (* ret ) );
61 ret->value.intlit = 0;
66 bool constraintTerm_isIntLiteral (constraintTerm term)
68 llassert(term != NULL);
70 if (term->kind == INTLITERAL)
77 bool constraintTerm_isInitBlock (/*@observer@*/ /*@temp@*/ constraintTerm c) /*@*/
80 if (c->kind == EXPRNODE)
83 if (exprNode_isInitBlock(c->value.expr) )
92 bool constraintTerm_isExprNode (/*@observer@*/ /*@temp@*/ constraintTerm c) /*@*/
95 if (c->kind == EXPRNODE)
103 int constraintTerm_getInitBlockLength (/*@observer@*/ /*@temp@*/ constraintTerm c) /*@*/
108 llassert (c != NULL);
109 llassert (constraintTerm_isInitBlock (c) );
110 llassert (c->kind == EXPRNODE);
112 llassert(exprNode_isDefined(c->value.expr) );
114 if (exprNode_isUndefined(c->value.expr) )
119 if (c->value.expr->edata == exprData_undefined)
123 list = exprData_getArgs(c->value.expr->edata);
125 ret = exprNodeList_size(list);
132 bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
134 llassert (c != NULL);
135 if (c->kind == EXPRNODE)
137 if (exprNode_knownStringValue(c->value.expr) )
147 cstring constraintTerm_getStringLiteral (constraintTerm c)
149 llassert (c != NULL);
150 llassert (constraintTerm_isStringLiteral (c) );
151 llassert (c->kind == EXPRNODE);
153 return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
156 constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
158 if (term->kind == EXPRNODE)
160 if ( exprNode_knownIntValue (term->value.expr ) )
164 temp = exprNode_getLongValue (term->value.expr);
165 term->value.intlit = (int)temp;
166 term->kind = INTLITERAL;
172 fileloc constraintTerm_getFileloc (constraintTerm t)
174 llassert (constraintTerm_isDefined (t));
175 return (fileloc_copy (t->loc) );
178 constraintTermType constraintTerm_getKind (constraintTerm t)
180 llassert (constraintTerm_isDefined(t) );
185 /*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
187 llassert (constraintTerm_isDefined(t) );
188 llassert (t->kind == SREF);
190 return (t->value.sref);
193 /*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@dependent@*/ exprNode e)
195 constraintTerm ret = new_constraintTermExpr();
196 ret->loc = fileloc_copy(exprNode_getfileloc(e));
198 ret->kind = EXPRNODE;
199 ret = constraintTerm_simplify(ret);
203 /*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
205 constraintTerm ret = new_constraintTermExpr();
206 ret->loc = fileloc_undefined;
207 ret->value.sref = sRef_saveCopy(s);
209 ret = constraintTerm_simplify(ret);
215 constraintTerm constraintTerm_copy (constraintTerm term)
218 ret = new_constraintTermExpr();
219 ret->loc = fileloc_copy (term->loc);
224 ret->value.expr = term->value.expr;
227 ret->value.intlit = term->value.intlit;
231 ret->value.sref = sRef_saveCopy(term->value.sref);
236 ret->kind = term->kind;
240 constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
242 llassert(term != NULL);
244 if ( fileloc_isDefined( term->loc ) )
245 fileloc_free(term->loc);
247 term->loc = fileloc_copy(loc);
252 static cstring constraintTerm_getName (constraintTerm term)
255 s = cstring_undefined;
257 llassert (term != NULL);
263 s = message ("%s", exprNode_unparse (term->value.expr) );
266 s = message (" %d ", (int) term->value.intlit);
270 s = message ("%q", sRef_unparse (term->value.sref) );
283 constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
285 llassert (term != NULL);
291 // s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
292 // fileloc_unparse (term->loc) );
295 // s = message (" %d ", term->value.intlit);
299 term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
300 // s = message ("%s ", sRef_unparse (term->value.sref) );
310 cstring constraintTerm_print (constraintTerm term) /*@*/
313 s = cstring_undefined;
315 llassert (term != NULL);
321 s = message ("%s @ %q", exprNode_unparse (term->value.expr),
322 fileloc_unparse (term->loc) );
325 s = message ("%d", (int)term->value.intlit);
329 s = message ("%q", sRef_unparseDebug (term->value.sref) );
340 constraintTerm constraintTerm_makeIntLiteral (long i)
342 constraintTerm ret = new_constraintTermExpr();
343 ret->value.intlit = i;
344 ret->kind = INTLITERAL;
345 ret->loc = fileloc_undefined;
349 bool constraintTerm_canGetValue (constraintTerm term)
351 if (term->kind == INTLITERAL)
355 else if (term->kind == SREF)
357 if (sRef_hasValue (term->value.sref))
359 multiVal mval = sRef_getValue (term->value.sref);
361 return multiVal_isInt (mval); /* for now, only try to deal with int values */
368 else if (term->kind == EXPRNODE)
378 long constraintTerm_getValue (constraintTerm term)
380 llassert (constraintTerm_canGetValue (term));
382 if (term->kind == INTLITERAL)
384 return term->value.intlit;
386 else if (term->kind == SREF)
388 if (sRef_hasValue (term->value.sref))
390 multiVal mval = sRef_getValue (term->value.sref);
392 return multiVal_forceInt (mval); /* for now, only try to deal with int values */
399 else if (term->kind == EXPRNODE)
411 /* same and similar are similar but not the same*/
412 static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
414 llassert (term1 !=NULL && term2 !=NULL);
416 if ( (term1->kind != term2->kind) || (term1->kind != EXPRNODE) )
422 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
427 if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
429 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
434 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
440 static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
442 llassert (t != NULL);
443 if (t->kind == EXPRNODE)
445 return exprNode_getSref(t->value.expr);
450 return t->value.sref;
453 return sRef_undefined;
456 bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
460 llassert (term1 !=NULL && term2 !=NULL);
463 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
468 s1 = constraintTerm_getName (term1);
469 s2 = constraintTerm_getName (term2);
471 if (cstring_equal (s1, s2) )
473 DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
478 DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
483 bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
487 llassert (term1 !=NULL && term2 !=NULL);
489 if (constraintTerm_canGetValue (term1) && constraintTerm_canGetValue (term2))
490 /* evans 2001-07-24: was (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) ) */
494 t1 = constraintTerm_getValue (term1);
495 t2 = constraintTerm_getValue (term2);
500 if (constraintTerm_canGetValue (term1) || constraintTerm_canGetValue (term2))
502 /* evans 2001-07-24: is this right? */ /*@i534@*/
506 s1 = constraintTerm_getsRef (term1);
507 s2 = constraintTerm_getsRef (term2);
509 if (!(sRef_isValid(s1) && sRef_isValid(s2)))
515 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
520 if (sRef_similarRelaxed(s1, s2) || sRef_sameName (s1, s2) )
522 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
527 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
532 void constraintTerm_dump ( /*@observer@*/ constraintTerm t, FILE *f)
535 constraintTermValue value;
536 constraintTermType kind;
545 fprintf(f, "%d\n", (int) kind);
551 u = exprNode_getUentry(t->value.expr);
552 fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
562 if (sRef_isResult (s ) )
564 fprintf(f, "Result\n");
566 else if (sRef_isParam (s ) )
573 ct = sRef_getType (s);
574 param = sRef_getParam(s);
576 ctString = ctype_dump(ct);
578 fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
579 cstring_free(ctString);
583 u = sRef_getUentry(s);
584 fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
591 fprintf (f, "%ld\n", t->value.intlit);
601 /*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
603 constraintTermType kind;
611 str = mstring_create (MAX_DUMP_LINE_LENGTH);
613 str = fgets (os, MAX_DUMP_LINE_LENGTH, f);
615 kind = (constraintTermType) reader_getInt(&str);
616 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
625 term = reader_getWord(&str);
627 if (strcmp (term, "Result") == 0 )
629 s = sRef_makeResult (ctype_unknown);
631 else if (strcmp (term, "Param" ) == 0 )
638 reader_checkChar(&str, ' ');
639 str2 = reader_getWord(&str);
640 param = reader_getInt(&str);
643 t = ctype_undump(&str2) ;
644 s = sRef_makeParam (param, t, stateInfo_makeLoc (g_currentloc));
647 else //This must be an identified that we can search for
650 cstring termStr = cstring_makeLiteralTemp(term);
652 ue = usymtab_lookup (termStr);
653 s = uentry_getSref(ue);
656 ret = constraintTerm_makesRef(s);
668 term = reader_getWord(&str);
669 //This must be an identifier that we can search for
671 termStr = cstring_makeLiteralTemp(term);
673 ue = usymtab_lookup (termStr);
674 s = uentry_getSref(ue);
675 ret = constraintTerm_makesRef(s);
686 i = reader_getInt(&str);
687 ret = constraintTerm_makeIntLiteral (i);