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)
76 bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
79 if (c->kind == EXPRNODE)
81 if (exprNode_knownStringValue(c->value.expr) )
89 cstring constraintTerm_getStringLiteral (constraintTerm c)
92 llassert (constraintTerm_isStringLiteral (c) );
93 llassert (c->kind == EXPRNODE);
95 return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
98 constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
100 if (term->kind == EXPRNODE)
102 if ( exprNode_knownIntValue (term->value.expr ) )
106 temp = exprNode_getLongValue (term->value.expr);
107 term->value.intlit = (int)temp;
108 term->kind = INTLITERAL;
114 fileloc constraintTerm_getFileloc (constraintTerm t)
116 llassert (constraintTerm_isDefined (t));
117 return (fileloc_copy (t->loc) );
120 constraintTermType constraintTerm_getKind (constraintTerm t)
122 llassert (constraintTerm_isDefined(t) );
127 /*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
129 llassert (constraintTerm_isDefined(t) );
130 llassert (t->kind == SREF);
132 return (t->value.sref);
135 /*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@dependent@*/ exprNode e)
137 constraintTerm ret = new_constraintTermExpr();
138 ret->loc = fileloc_copy(exprNode_getfileloc(e));
140 ret->kind = EXPRNODE;
141 ret = constraintTerm_simplify(ret);
145 /*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
147 constraintTerm ret = new_constraintTermExpr();
148 ret->loc = fileloc_undefined;
149 ret->value.sref = sRef_saveCopy(s);
151 ret = constraintTerm_simplify(ret);
157 constraintTerm constraintTerm_copy (constraintTerm term)
160 ret = new_constraintTermExpr();
161 ret->loc = fileloc_copy (term->loc);
166 ret->value.expr = term->value.expr;
169 ret->value.intlit = term->value.intlit;
173 ret->value.sref = sRef_saveCopy(term->value.sref);
178 ret->kind = term->kind;
182 constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
184 llassert(term != NULL);
186 if ( fileloc_isDefined( term->loc ) )
187 fileloc_free(term->loc);
189 term->loc = fileloc_copy(loc);
194 static cstring constraintTerm_getName (constraintTerm term)
197 s = cstring_undefined;
199 llassert (term != NULL);
205 s = message ("%s", exprNode_unparse (term->value.expr) );
208 s = message (" %ld ", term->value.intlit);
212 s = message ("%q", sRef_unparse (term->value.sref) );
225 constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
227 llassert (term != NULL);
233 // s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
234 // fileloc_unparse (term->loc) );
237 // s = message (" %d ", term->value.intlit);
241 term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
242 // s = message ("%s ", sRef_unparse (term->value.sref) );
252 cstring constraintTerm_print (constraintTerm term) /*@*/
255 s = cstring_undefined;
257 llassert (term != NULL);
263 s = message ("%s @ %q ", exprNode_unparse (term->value.expr),
264 fileloc_unparse (term->loc) );
267 s = message (" %ld ", term->value.intlit);
271 s = message ("%q ", sRef_unparseDebug (term->value.sref) );
282 constraintTerm constraintTerm_makeIntLiteral (long i)
284 constraintTerm ret = new_constraintTermExpr();
285 ret->value.intlit = i;
286 ret->kind = INTLITERAL;
287 ret->loc = fileloc_undefined;
291 bool constraintTerm_canGetValue (constraintTerm term)
293 if (term->kind == INTLITERAL)
297 else if (term->kind == SREF)
299 if (sRef_hasValue (term->value.sref))
301 multiVal mval = sRef_getValue (term->value.sref);
303 return multiVal_isInt (mval); /* for now, only try to deal with int values */
310 else if (term->kind == EXPRNODE)
320 long constraintTerm_getValue (constraintTerm term)
322 llassert (constraintTerm_canGetValue (term));
324 if (term->kind == INTLITERAL)
326 return term->value.intlit;
328 else if (term->kind == SREF)
330 if (sRef_hasValue (term->value.sref))
332 multiVal mval = sRef_getValue (term->value.sref);
334 return multiVal_forceInt (mval); /* for now, only try to deal with int values */
341 else if (term->kind == EXPRNODE)
353 /* same and similar are similar but not the same*/
354 static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
356 llassert (term1 !=NULL && term2 !=NULL);
358 if ( (term1->kind != term2->kind) || (term1->kind != EXPRNODE) )
364 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
369 if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
371 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
376 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
382 static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
384 llassert (t != NULL);
385 if (t->kind == EXPRNODE)
387 return exprNode_getSref(t->value.expr);
392 return t->value.sref;
395 return sRef_undefined;
398 bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
402 llassert (term1 !=NULL && term2 !=NULL);
405 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
410 s1 = constraintTerm_getName (term1);
411 s2 = constraintTerm_getName (term2);
413 if (cstring_equal (s1, s2) )
415 DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
420 DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
425 bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
429 llassert (term1 !=NULL && term2 !=NULL);
431 if (constraintTerm_canGetValue (term1) && constraintTerm_canGetValue (term2))
432 /* evans 2001-07-24: was (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) ) */
436 t1 = constraintTerm_getValue (term1);
437 t2 = constraintTerm_getValue (term2);
442 if (constraintTerm_canGetValue (term1) || constraintTerm_canGetValue (term2))
444 /* evans 2001-07-24: is this right? */ /*@i534@*/
448 s1 = constraintTerm_getsRef (term1);
449 s2 = constraintTerm_getsRef (term2);
451 if (!(sRef_isValid(s1) && sRef_isValid(s2)))
457 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
462 if (sRef_similarRelaxed(s1, s2) || sRef_sameName (s1, s2) )
464 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
469 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
474 void constraintTerm_dump ( /*@observer@*/ constraintTerm t, FILE *f)
477 constraintTermValue value;
478 constraintTermType kind;
487 fprintf(f, "%d\n", (int) kind);
493 u = exprNode_getUentry(t->value.expr);
494 fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
504 if (sRef_isResult (s ) )
506 fprintf(f, "Result\n");
508 else if (sRef_isParam (s ) )
515 ct = sRef_getType (s);
516 param = sRef_getParam(s);
518 ctString = ctype_dump(ct);
520 fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
521 cstring_free(ctString);
525 u = sRef_getUentry(s);
526 fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
533 fprintf (f, "%ld\n", t->value.intlit);
543 /*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
545 constraintTermType kind;
553 str = mstring_create (MAX_DUMP_LINE_LENGTH);
555 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
557 kind = (constraintTermType) reader_getInt(&str);
558 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
567 term = reader_getWord(&str);
569 if (strcmp (term, "Result") == 0 )
571 s = sRef_makeResult (ctype_unknown);
573 else if (strcmp (term, "Param" ) == 0 )
580 reader_checkChar(&str, ' ');
581 str2 = reader_getWord(&str);
582 param = reader_getInt(&str);
585 t = ctype_undump(&str2) ;
586 s = sRef_makeParam (param, t );
589 else //This must be an identified that we can search for
592 cstring termStr = cstring_makeLiteralTemp(term);
594 ue = usymtab_lookup (termStr);
595 s = uentry_getSref(ue);
598 ret = constraintTerm_makesRef(s);
610 term = reader_getWord(&str);
611 //This must be an identifier that we can search for
613 termStr = cstring_makeLiteralTemp(term);
615 ue = usymtab_lookup (termStr);
616 s = uentry_getSref(ue);
617 ret = constraintTerm_makesRef(s);
628 i = reader_getInt(&str);
629 ret = constraintTerm_makeIntLiteral (i);