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 void constraintTerm_free (/*@only@*/ constraintTerm term)
29 llassert (constraintTerm_isDefined (term));
31 fileloc_free (term->loc);
36 /* we don't free an exprNode*/
40 sRef_free (term->value.sref);
43 /* don't free an int */
45 case ERRORBADCONSTRAINTTERMTYPE:
47 /* type was set incorrectly */
48 llcontbug (message("constraintTerm_free type was set incorrectly"));
50 // term->value.intlit = 0;
51 term->kind = ERRORBADCONSTRAINTTERMTYPE;
55 /*@only@*/ static/*@out@*/ constraintTerm new_constraintTermExpr (void)
58 ret = dmalloc (sizeof (* ret ) );
59 ret->value.intlit = 0;
64 bool constraintTerm_isIntLiteral (constraintTerm term)
66 llassert(term != NULL);
68 if (term->kind == INTLITERAL)
75 bool constraintTerm_isInitBlock (/*@observer@*/ /*@temp@*/ constraintTerm c) /*@*/
78 if (c->kind == EXPRNODE)
81 if (exprNode_isInitBlock(c->value.expr) )
90 bool constraintTerm_isExprNode (/*@observer@*/ /*@temp@*/ constraintTerm c) /*@*/
93 if (c->kind == EXPRNODE)
101 int constraintTerm_getInitBlockLength (/*@observer@*/ /*@temp@*/ constraintTerm c) /*@*/
106 llassert (c != NULL);
107 llassert (constraintTerm_isInitBlock (c) );
108 llassert (c->kind == EXPRNODE);
110 llassert(exprNode_isDefined(c->value.expr) );
112 if (exprNode_isUndefined(c->value.expr) )
117 if (c->value.expr->edata == exprData_undefined)
121 list = exprData_getArgs(c->value.expr->edata);
123 ret = exprNodeList_size(list);
130 bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
132 llassert (c != NULL);
133 if (c->kind == EXPRNODE)
135 if (exprNode_knownStringValue(c->value.expr) )
145 cstring constraintTerm_getStringLiteral (constraintTerm c)
147 llassert (c != NULL);
148 llassert (constraintTerm_isStringLiteral (c) );
149 llassert (c->kind == EXPRNODE);
151 return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
154 constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
156 if (term->kind == EXPRNODE)
158 if ( exprNode_knownIntValue (term->value.expr ) )
162 temp = exprNode_getLongValue (term->value.expr);
163 term->value.intlit = (int)temp;
164 term->kind = INTLITERAL;
170 fileloc constraintTerm_getFileloc (constraintTerm t)
172 llassert (constraintTerm_isDefined (t));
173 return (fileloc_copy (t->loc) );
176 constraintTermType constraintTerm_getKind (constraintTerm t)
178 llassert (constraintTerm_isDefined(t) );
183 /*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
185 llassert (constraintTerm_isDefined(t) );
186 llassert (t->kind == SREF);
188 return (t->value.sref);
191 /*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@dependent@*/ exprNode e)
193 constraintTerm ret = new_constraintTermExpr();
194 ret->loc = fileloc_copy(exprNode_getfileloc(e));
196 ret->kind = EXPRNODE;
197 ret = constraintTerm_simplify(ret);
201 /*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
203 constraintTerm ret = new_constraintTermExpr();
204 ret->loc = fileloc_undefined;
205 ret->value.sref = sRef_saveCopy(s);
207 ret = constraintTerm_simplify(ret);
213 constraintTerm constraintTerm_copy (constraintTerm term)
216 ret = new_constraintTermExpr();
217 ret->loc = fileloc_copy (term->loc);
222 ret->value.expr = term->value.expr;
225 ret->value.intlit = term->value.intlit;
229 ret->value.sref = sRef_saveCopy(term->value.sref);
234 ret->kind = term->kind;
238 constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
240 llassert(term != NULL);
242 if ( fileloc_isDefined( term->loc ) )
243 fileloc_free(term->loc);
245 term->loc = fileloc_copy(loc);
250 static cstring constraintTerm_getName (constraintTerm term)
253 s = cstring_undefined;
255 llassert (term != NULL);
261 s = message ("%s", exprNode_unparse (term->value.expr) );
264 s = message (" %d ", (int) term->value.intlit);
268 s = message ("%q", sRef_unparse (term->value.sref) );
281 constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
283 llassert (term != NULL);
289 // s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
290 // fileloc_unparse (term->loc) );
293 // s = message (" %d ", term->value.intlit);
297 term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
298 // s = message ("%s ", sRef_unparse (term->value.sref) );
308 cstring constraintTerm_print (constraintTerm term) /*@*/
311 s = cstring_undefined;
313 llassert (term != NULL);
319 s = message ("%s @ %q", exprNode_unparse (term->value.expr),
320 fileloc_unparse (term->loc) );
323 s = message ("%d", (int)term->value.intlit);
327 s = message ("%q", sRef_unparseDebug (term->value.sref) );
338 constraintTerm constraintTerm_makeIntLiteral (long i)
340 constraintTerm ret = new_constraintTermExpr();
341 ret->value.intlit = i;
342 ret->kind = INTLITERAL;
343 ret->loc = fileloc_undefined;
347 bool constraintTerm_canGetValue (constraintTerm term)
349 if (term->kind == INTLITERAL)
353 else if (term->kind == SREF)
355 if (sRef_hasValue (term->value.sref))
357 multiVal mval = sRef_getValue (term->value.sref);
359 return multiVal_isInt (mval); /* for now, only try to deal with int values */
366 else if (term->kind == EXPRNODE)
376 long constraintTerm_getValue (constraintTerm term)
378 llassert (constraintTerm_canGetValue (term));
380 if (term->kind == INTLITERAL)
382 return term->value.intlit;
384 else if (term->kind == SREF)
386 if (sRef_hasValue (term->value.sref))
388 multiVal mval = sRef_getValue (term->value.sref);
390 return multiVal_forceInt (mval); /* for now, only try to deal with int values */
397 else if (term->kind == EXPRNODE)
409 static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
411 llassert (t != NULL);
412 if (t->kind == EXPRNODE)
414 return exprNode_getSref(t->value.expr);
419 return t->value.sref;
422 return sRef_undefined;
425 bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
429 llassert (term1 !=NULL && term2 !=NULL);
432 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
437 s1 = constraintTerm_getName (term1);
438 s2 = constraintTerm_getName (term2);
440 if (cstring_equal (s1, s2) )
442 DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
447 DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
452 bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
456 llassert (term1 !=NULL && term2 !=NULL);
458 if (constraintTerm_canGetValue (term1) && constraintTerm_canGetValue (term2))
459 /* evans 2001-07-24: was (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) ) */
463 t1 = constraintTerm_getValue (term1);
464 t2 = constraintTerm_getValue (term2);
469 if (constraintTerm_canGetValue (term1) || constraintTerm_canGetValue (term2))
471 /* evans 2001-07-24: is this right? */ /*@i534@*/
475 s1 = constraintTerm_getsRef (term1);
476 s2 = constraintTerm_getsRef (term2);
478 if (!(sRef_isValid(s1) && sRef_isValid(s2)))
484 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
489 if (sRef_similarRelaxed(s1, s2) || sRef_sameName (s1, s2) )
491 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
496 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
501 void constraintTerm_dump ( /*@observer@*/ constraintTerm t, FILE *f)
504 constraintTermValue value;
505 constraintTermType kind;
514 fprintf(f, "%d\n", (int) kind);
520 u = exprNode_getUentry(t->value.expr);
521 fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
531 if (sRef_isResult (s ) )
533 fprintf(f, "Result\n");
535 else if (sRef_isParam (s ) )
542 ct = sRef_getType (s);
543 param = sRef_getParam(s);
545 ctString = ctype_dump(ct);
547 fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
548 cstring_free(ctString);
552 u = sRef_getUentry(s);
553 fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
560 fprintf (f, "%ld\n", t->value.intlit);
570 /*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
572 constraintTermType kind;
580 str = mstring_create (MAX_DUMP_LINE_LENGTH);
582 str = fgets (os, MAX_DUMP_LINE_LENGTH, f);
584 kind = (constraintTermType) reader_getInt(&str);
585 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
594 term = reader_getWord(&str);
596 if (strcmp (term, "Result") == 0 )
598 s = sRef_makeResult (ctype_unknown);
600 else if (strcmp (term, "Param" ) == 0 )
607 reader_checkChar(&str, ' ');
608 str2 = reader_getWord(&str);
609 param = reader_getInt(&str);
612 t = ctype_undump(&str2) ;
613 s = sRef_makeParam (param, t, stateInfo_makeLoc (g_currentloc));
616 else //This must be an identified that we can search for
619 cstring termStr = cstring_makeLiteralTemp(term);
621 ue = usymtab_lookup (termStr);
622 s = uentry_getSref(ue);
625 ret = constraintTerm_makesRef(s);
637 term = reader_getWord(&str);
638 //This must be an identifier that we can search for
640 termStr = cstring_makeLiteralTemp(term);
642 ue = usymtab_lookup (termStr);
643 s = uentry_getSref(ue);
644 ret = constraintTerm_makesRef(s);
655 i = reader_getInt(&str);
656 ret = constraintTerm_makeIntLiteral (i);