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"));
49 /*@only@*/ static/*@out@*/ constraintTerm new_constraintTermExpr (void)
52 ret = dmalloc (sizeof (* ret ) );
53 ret->value.intlit = 0;
58 bool constraintTerm_isIntLiteral (constraintTerm term)
60 llassert(term != NULL);
62 if (term->kind == INTLITERAL)
68 bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
71 if (c->kind == EXPRNODE)
73 if (exprNode_knownStringValue(c->value.expr) )
81 cstring constraintTerm_getStringLiteral (constraintTerm c)
84 llassert (constraintTerm_isStringLiteral (c) );
85 llassert (c->kind == EXPRNODE);
87 return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
90 constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
92 if (term->kind == EXPRNODE)
94 if ( exprNode_knownIntValue (term->value.expr ) )
98 temp = exprNode_getLongValue (term->value.expr);
99 term->value.intlit = (int)temp;
100 term->kind = INTLITERAL;
106 fileloc constraintTerm_getFileloc (constraintTerm t)
108 return (fileloc_copy (t->loc) );
111 constraintTermType constraintTerm_getKind (constraintTerm t)
113 llassert (constraintTerm_isDefined(t) );
118 /*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
120 llassert (constraintTerm_isDefined(t) );
121 llassert (t->kind == SREF);
123 return (t->value.sref);
126 /*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@depenedent@*/ exprNode e)
128 constraintTerm ret = new_constraintTermExpr();
129 ret->loc = fileloc_copy(exprNode_getfileloc(e));
131 ret->kind = EXPRNODE;
132 ret = constraintTerm_simplify(ret);
136 /*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
138 constraintTerm ret = new_constraintTermExpr();
139 ret->loc = fileloc_undefined;
140 ret->value.sref = sRef_saveCopy(s);
142 ret = constraintTerm_simplify(ret);
146 constraintTerm constraintTerm_copy (constraintTerm term)
149 ret = new_constraintTermExpr();
150 ret->loc = fileloc_copy (term->loc);
151 constraintTermValue_copy (ret->value, term->value);
152 ret->kind = term->kind;
156 constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
158 llassert(term != NULL);
160 if ( fileloc_isDefined( term->loc ) )
161 fileloc_free(term->loc);
163 term->loc = fileloc_copy(loc);
168 static cstring constraintTerm_getName (constraintTerm term)
171 s = cstring_undefined;
173 llassert (term != NULL);
179 s = message ("%s", exprNode_unparse (term->value.expr) );
182 s = message (" %d ", term->value.intlit);
186 s = message ("%q", sRef_unparse (term->value.sref) );
199 constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
201 llassert (term != NULL);
207 // s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
208 // fileloc_unparse (term->loc) );
211 // s = message (" %d ", term->value.intlit);
215 term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
216 // s = message ("%s ", sRef_unparse (term->value.sref) );
226 cstring constraintTerm_print (constraintTerm term) /*@*/
229 s = cstring_undefined;
231 llassert (term != NULL);
237 s = message ("%s @ %q ", exprNode_unparse (term->value.expr),
238 fileloc_unparse (term->loc) );
241 s = message (" %d ", term->value.intlit);
245 s = message ("%q ", sRef_unparseDebug (term->value.sref) );
256 constraintTerm constraintTerm_makeIntLiteral (int i)
258 constraintTerm ret = new_constraintTermExpr();
259 ret->value.intlit = i;
260 ret->kind = INTLITERAL;
261 ret->loc = fileloc_undefined;
265 bool constraintTerm_canGetValue (constraintTerm term)
267 if (term->kind == INTLITERAL)
273 int constraintTerm_getValue (constraintTerm term)
275 llassert (term->kind == INTLITERAL);
276 return term->value.intlit;
279 /* same and similar are similar but not the same*/
280 static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
282 llassert (term1 !=NULL && term2 !=NULL);
284 if ( (term1->kind != term2->kind) || (term1->kind != EXPRNODE) )
290 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
295 if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
297 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
302 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
308 static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
310 llassert (t != NULL);
311 if (t->kind == EXPRNODE)
313 return exprNode_getSref(t->value.expr);
318 return t->value.sref;
321 return sRef_undefined;
324 bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
328 llassert (term1 !=NULL && term2 !=NULL);
331 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
336 s1 = constraintTerm_getName (term1);
337 s2 = constraintTerm_getName (term2);
339 if (cstring_equal (s1, s2) )
341 DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
346 DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
351 bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
355 llassert (term1 !=NULL && term2 !=NULL);
357 if ( (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) )
360 llassert (constraintTerm_canGetValue(term1) );
361 t1 = constraintTerm_getValue (term1);
363 llassert (constraintTerm_canGetValue(term2) );
364 t2 = constraintTerm_getValue (term2);
371 s1 = constraintTerm_getsRef (term1);
372 s2 = constraintTerm_getsRef (term2);
374 if ( ! (sRef_isValid(s1) && sRef_isValid(s2) ) )
380 ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
385 if (sRef_similarRelaxed(s1, s2) || sRef_sameName (s1, s2) )
387 DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
392 DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
398 void constraintTerm_dump ( /*@observer@*/ constraintTerm t, FILE *f)
401 constraintTermValue value;
402 constraintTermType kind;
411 fprintf(f, "%d\n", (int) kind);
417 u = exprNode_getUentry(t->value.expr);
418 fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
428 if (sRef_isResult (s ) )
430 fprintf(f, "Result\n");
432 else if (sRef_isParam (s ) )
439 ct = sRef_getType (s);
440 param = sRef_getParam(s);
442 ctString = ctype_dump(ct);
444 fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
445 cstring_free(ctString);
449 u = sRef_getUentry(s);
450 fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
457 fprintf (f, "%d\n", t->value.intlit);
467 /*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
469 constraintTermType kind;
477 str = mstring_create (MAX_DUMP_LINE_LENGTH);
479 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
481 kind = (constraintTermType) reader_getInt(&str);
482 str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
491 term = reader_getWord(&str);
493 if (strcmp (term, "Result") == 0 )
495 s = sRef_makeResult();
497 else if (strcmp (term, "Param" ) == 0 )
504 reader_checkChar(&str, ' ');
505 str2 = reader_getWord(&str);
506 param = reader_getInt(&str);
509 t = ctype_undump(&str2) ;
510 s = sRef_makeParam (param, t );
513 else //This must be an identified that we can search for
516 cstring termStr = cstring_makeLiteralTemp(term);
518 ue = usymtab_lookup (termStr);
519 s = uentry_getSref(ue);
522 ret = constraintTerm_makesRef(s);
534 term = reader_getWord(&str);
535 //This must be an identifier that we can search for
537 termStr = cstring_makeLiteralTemp(term);
539 ue = usymtab_lookup (termStr);
540 s = uentry_getSref(ue);
541 ret = constraintTerm_makesRef(s);
552 i = reader_getInt(&str);
553 ret = constraintTerm_makeIntLiteral (i);