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 /*@unused@*/ static bool constraintTerm_same (constraintTerm p_term1, constraintTerm p_term2) ;
24 void constraintTerm_free (/*@only@*/ constraintTerm term)
26 llassert(constraintTerm_isDefined(term) );
27 fileloc_free (term->loc);
32 /* we don't free an exprNode*/
36 sRef_free (term->value.sref);
39 /* don't free an int */
41 case ERRORBADCONSTRAINTTERMTYPE:
43 /* type was set incorrectly */
44 llcontbug (message("constraintTerm_free type was set incorrectly"));
46 // term->value.intlit = 0;
47 term->kind = ERRORBADCONSTRAINTTERMTYPE;
51 /*@only@*/ static/*@out@*/ constraintTerm new_constraintTermExpr (void)
54 ret = dmalloc (sizeof (* ret ) );
55 ret->value.intlit = 0;
60 bool constraintTerm_isIntLiteral (constraintTerm term)
62 llassert(term != NULL);
64 if (term->kind == INTLITERAL)
70 bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
73 if (c->kind == EXPRNODE)
75 if (exprNode_knownStringValue(c->value.expr) )
83 cstring constraintTerm_getStringLiteral (constraintTerm c)
86 llassert (constraintTerm_isStringLiteral (c) );
87 llassert (c->kind == EXPRNODE);
89 return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
92 constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
94 if (term->kind == EXPRNODE)
96 if ( exprNode_knownIntValue (term->value.expr ) )
100 temp = exprNode_getLongValue (term->value.expr);
101 term->value.intlit = (int)temp;
102 term->kind = INTLITERAL;
108 fileloc constraintTerm_getFileloc (constraintTerm t)
110 return (fileloc_copy (t->loc) );
113 constraintTermType constraintTerm_getKind (constraintTerm t)
115 llassert (constraintTerm_isDefined(t) );
120 /*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
122 llassert (constraintTerm_isDefined(t) );
123 llassert (t->kind == SREF);
125 return (t->value.sref);
128 /*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@depenedent@*/ exprNode e)
130 constraintTerm ret = new_constraintTermExpr();
131 ret->loc = fileloc_copy(exprNode_getfileloc(e));
133 ret->kind = EXPRNODE;
134 ret = constraintTerm_simplify(ret);
138 /*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
140 constraintTerm ret = new_constraintTermExpr();
141 ret->loc = fileloc_undefined;
142 ret->value.sref = sRef_saveCopy(s);
144 ret = constraintTerm_simplify(ret);
150 constraintTerm constraintTerm_copy (constraintTerm term)
153 ret = new_constraintTermExpr();
154 ret->loc = fileloc_copy (term->loc);
159 ret->value.expr = term->value.expr;
162 ret->value.intlit = term->value.intlit;
166 ret->value.sref = sRef_saveCopy(term->value.sref);
171 ret->kind = term->kind;
175 constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
177 llassert(term != NULL);
179 if ( fileloc_isDefined( term->loc ) )
180 fileloc_free(term->loc);
182 term->loc = fileloc_copy(loc);
187 static cstring constraintTerm_getName (constraintTerm term)
190 s = cstring_undefined;
192 llassert (term != NULL);
198 s = message ("%s", exprNode_unparse (term->value.expr) );
201 s = message (" %d ", term->value.intlit);
205 s = message ("%q", sRef_unparse (term->value.sref) );
218 constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
220 llassert (term != NULL);
226 // s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
227 // fileloc_unparse (term->loc) );
230 // s = message (" %d ", term->value.intlit);
234 term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
235 // s = message ("%s ", sRef_unparse (term->value.sref) );
245 cstring constraintTerm_print (constraintTerm term) /*@*/
248 s = cstring_undefined;
250 llassert (term != NULL);
256 s = message ("%s @ %q ", exprNode_unparse (term->value.expr),
257 fileloc_unparse (term->loc) );
260 s = message (" %d ", term->value.intlit);
264 s = message ("%q ", sRef_unparseDebug (term->value.sref) );
275 constraintTerm constraintTerm_makeIntLiteral (int i)
277 constraintTerm ret = new_constraintTermExpr();
278 ret->value.intlit = i;
279 ret->kind = INTLITERAL;
280 ret->loc = fileloc_undefined;
284 bool constraintTerm_canGetValue (constraintTerm term)
286 if (term->kind == INTLITERAL)
292 int constraintTerm_getValue (constraintTerm term)
294 llassert (term->kind == INTLITERAL);
295 return term->value.intlit;
298 /* same and similar are similar but not the same*/
299 static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
301 llassert (term1 !=NULL && term2 !=NULL);
303 if ( (term1->kind != term2->kind) || (term1->kind != EXPRNODE) )
309 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
314 if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
316 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
321 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
327 static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
329 llassert (t != NULL);
330 if (t->kind == EXPRNODE)
332 return exprNode_getSref(t->value.expr);
337 return t->value.sref;
340 return sRef_undefined;
343 bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
347 llassert (term1 !=NULL && term2 !=NULL);
350 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
355 s1 = constraintTerm_getName (term1);
356 s2 = constraintTerm_getName (term2);
358 if (cstring_equal (s1, s2) )
360 DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
365 DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
370 bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
374 llassert (term1 !=NULL && term2 !=NULL);
376 if ( (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) )
379 llassert (constraintTerm_canGetValue(term1) );
380 t1 = constraintTerm_getValue (term1);
382 llassert (constraintTerm_canGetValue(term2) );
383 t2 = constraintTerm_getValue (term2);
390 s1 = constraintTerm_getsRef (term1);
391 s2 = constraintTerm_getsRef (term2);
393 if ( ! (sRef_isValid(s1) && sRef_isValid(s2) ) )
399 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
404 if (sRef_similarRelaxed(s1, s2) || sRef_sameName (s1, s2) )
406 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
411 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
417 void constraintTerm_dump ( /*@observer@*/ constraintTerm t, FILE *f)
420 constraintTermValue value;
421 constraintTermType kind;
430 fprintf(f, "%d\n", (int) kind);
436 u = exprNode_getUentry(t->value.expr);
437 fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
447 if (sRef_isResult (s ) )
449 fprintf(f, "Result\n");
451 else if (sRef_isParam (s ) )
458 ct = sRef_getType (s);
459 param = sRef_getParam(s);
461 ctString = ctype_dump(ct);
463 fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
464 cstring_free(ctString);
468 u = sRef_getUentry(s);
469 fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
476 fprintf (f, "%d\n", t->value.intlit);
486 /*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
488 constraintTermType kind;
496 str = mstring_create (MAX_DUMP_LINE_LENGTH);
498 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
500 kind = (constraintTermType) reader_getInt(&str);
501 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
510 term = reader_getWord(&str);
512 if (strcmp (term, "Result") == 0 )
514 s = sRef_makeResult();
516 else if (strcmp (term, "Param" ) == 0 )
523 reader_checkChar(&str, ' ');
524 str2 = reader_getWord(&str);
525 param = reader_getInt(&str);
528 t = ctype_undump(&str2) ;
529 s = sRef_makeParam (param, t );
532 else //This must be an identified that we can search for
535 cstring termStr = cstring_makeLiteralTemp(term);
537 ue = usymtab_lookup (termStr);
538 s = uentry_getSref(ue);
541 ret = constraintTerm_makesRef(s);
553 term = reader_getWord(&str);
554 //This must be an identifier that we can search for
556 termStr = cstring_makeLiteralTemp(term);
558 ue = usymtab_lookup (termStr);
559 s = uentry_getSref(ue);
560 ret = constraintTerm_makesRef(s);
571 i = reader_getInt(&str);
572 ret = constraintTerm_makeIntLiteral (i);