** constraintExpr.c
*/
+//#define DEBUGPRINT 1
+
# include <ctype.h> /* for isdigit */
# include "lclintMacros.nf"
# include "basic.h"
# include "cgrammar_tokens.h"
# include "exprChecks.h"
-# include "aliasChecks.h"
# include "exprNodeSList.h"
-# include "exprData.i"
/*@-czechfcns@*/
//#include "constraintExpr.h"
+/*@access exprNode @*/
+
+/*@unused@*/ static bool constraintTerm_same (constraintTerm p_term1, constraintTerm p_term2) ;
+
+void constraintTerm_free (/*@only@*/ constraintTerm term)
+{
+ llassert(constraintTerm_isDefined(term) );
+ fileloc_free (term->loc);
+
+ switch (term->kind)
+ {
+ case EXPRNODE:
+ /* we don't free an exprNode*/
+ break;
+ case SREF:
+ /* sref */
+ //sRef_free (term->value.sref);
+ break;
+ case INTLITERAL:
+ /* don't free an int */
+ break;
+ case ERRORBADCONSTRAINTTERMTYPE:
+ default:
+ /* type was set incorrectly */
+ llcontbug (message("constraintTerm_free type was set incorrectly"));
+ }
+ free (term);
+}
+
+/*@only@*/ static/*@out@*/ constraintTerm new_constraintTermExpr (void)
+{
+ constraintTerm ret;
+ ret = dmalloc (sizeof (* ret ) );
+ ret->value.intlit = 0;
+ return ret;
+}
+
+
bool constraintTerm_isIntLiteral (constraintTerm term)
{
- llassert(term);
+ llassert(term != NULL);
if (term->kind == INTLITERAL)
return TRUE;
return FALSE;
}
-constraintTerm constraintTerm_simplify (constraintTerm term)
+bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
+{
+ llassert (c != NULL);
+ if (c->kind == EXPRNODE)
+ {
+ if (exprNode_knownStringValue(c->value.expr) )
+ {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+cstring constraintTerm_getStringLiteral (constraintTerm c)
+{
+ llassert (c != NULL);
+ llassert (constraintTerm_isStringLiteral (c) );
+ llassert (c->kind == EXPRNODE);
+
+ return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
+}
+
+constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
{
if (term->kind == EXPRNODE)
{
if ( exprNode_knownIntValue (term->value.expr ) )
{
- int temp;
+ long int temp;
+
temp = exprNode_getLongValue (term->value.expr);
- term->value.intlit = temp;
+ term->value.intlit = (int)temp;
term->kind = INTLITERAL;
}
}
return (fileloc_copy (t->loc) );
}
-constraintTerm constraintTerm_makeExprNode (/*@only@*/ exprNode e)
+constraintTermType constraintTerm_getKind (constraintTerm t)
+{
+ llassert (constraintTerm_isDefined(t) );
+
+ return (t->kind);
+}
+
+/*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
+{
+ llassert (constraintTerm_isDefined(t) );
+ llassert (t->kind == SREF);
+
+ return (t->value.sref);
+}
+
+/*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@depenedent@*/ exprNode e)
{
constraintTerm ret = new_constraintTermExpr();
- ret->loc = exprNode_getfileloc(e);
+ ret->loc = fileloc_copy(exprNode_getfileloc(e));
ret->value.expr = e;
ret->kind = EXPRNODE;
ret = constraintTerm_simplify(ret);
return ret;
}
+/*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
+{
+ constraintTerm ret = new_constraintTermExpr();
+ ret->loc = fileloc_undefined;
+ ret->value.sref = sRef_saveCopy(s);
+ ret->kind = SREF;
+ ret = constraintTerm_simplify(ret);
+ return ret;
+}
+
constraintTerm constraintTerm_copy (constraintTerm term)
{
constraintTerm ret;
ret = new_constraintTermExpr();
ret->loc = fileloc_copy (term->loc);
- ret->value= term->value;
+ constraintTermValue_copy (ret->value, term->value);
ret->kind = term->kind;
return ret;
}
-constraintTerm constraintTerm_setFileloc (constraintTerm term, fileloc loc)
+constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
{
- llassert(term);
+ llassert(term != NULL);
+
+ if ( fileloc_isDefined( term->loc ) )
+ fileloc_free(term->loc);
+
term->loc = fileloc_copy(loc);
return term;
}
-cstring constraintTerm_print (constraintTerm term)
+
+static cstring constraintTerm_getName (constraintTerm term)
+{
+ cstring s;
+ s = cstring_undefined;
+
+ llassert (term != NULL);
+
+ switch (term->kind)
+ {
+ case EXPRNODE:
+ /*@i334*/ //wtf
+ s = message ("%s", exprNode_unparse (term->value.expr) );
+ break;
+ case INTLITERAL:
+ s = message (" %d ", term->value.intlit);
+ break;
+
+ case SREF:
+ s = message ("%q", sRef_unparse (term->value.sref) );
+
+ break;
+ default:
+ BADEXIT;
+ /*@notreached@*/
+ break;
+ }
+
+ return s;
+}
+
+constraintTerm
+constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
+{
+ llassert (term != NULL);
+
+ switch (term->kind)
+ {
+ case EXPRNODE:
+ /*@i334*/ //wtf
+ // s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
+ // fileloc_unparse (term->loc) );
+ break;
+ case INTLITERAL:
+ // s = message (" %d ", term->value.intlit);
+ break;
+
+ case SREF:
+ term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
+ // s = message ("%s ", sRef_unparse (term->value.sref) );
+
+ break;
+ default:
+ BADEXIT;
+ }
+ return term;
+
+}
+
+cstring constraintTerm_print (constraintTerm term) /*@*/
{
cstring s;
s = cstring_undefined;
{
case EXPRNODE:
/*@i334*/ //wtf
- s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
+ s = message ("%s @ %q ", exprNode_unparse (term->value.expr),
fileloc_unparse (term->loc) );
break;
case INTLITERAL:
break;
case SREF:
- s = cstring_makeLiteral("Not Implemented\n");
- llassert(FALSE);
+ s = message ("%q ", sRef_unparseDebug (term->value.sref) );
+
break;
+ default:
+ BADEXIT;
}
return s;
return term->value.intlit;
}
-
-
/* same and similar are similar but not the same*/
-
-bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
+static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
{
llassert (term1 !=NULL && term2 !=NULL);
}
+static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
+{
+ llassert (t != NULL);
+ if (t->kind == EXPRNODE)
+ {
+ return exprNode_getSref(t->value.expr);
+ }
+
+ if (t->kind == SREF)
+ {
+ return t->value.sref;
+ }
+
+ return sRef_undefined;
+}
+
+bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
+{
+ cstring s1, s2;
+
+ llassert (term1 !=NULL && term2 !=NULL);
+
+ DPRINTF ( (message
+ ("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
+ )
+ )
+ );
+
+ s1 = constraintTerm_getName (term1);
+ s2 = constraintTerm_getName (term2);
+
+ if (cstring_equal (s1, s2) )
+ {
+ DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
+ return TRUE;
+ }
+ else
+ {
+ DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
+ return FALSE;
+ }
+}
+
bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
{
+ sRef s1, s2;
+
llassert (term1 !=NULL && term2 !=NULL);
+
+ if ( (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) )
+ {
+ int t1, t2;
+ llassert (constraintTerm_canGetValue(term1) );
+ t1 = constraintTerm_getValue (term1);
- if ( (term1->kind != term2->kind) || (term1->kind != EXPRNODE) )
+ llassert (constraintTerm_canGetValue(term2) );
+ t2 = constraintTerm_getValue (term2);
+ if (t1 == t2)
+ return TRUE;
+
+ return FALSE;
+ }
+
+ s1 = constraintTerm_getsRef (term1);
+ s2 = constraintTerm_getsRef (term2);
+
+ if ( ! (sRef_isValid(s1) && sRef_isValid(s2) ) )
{
return FALSE;
}
-
- DPRINTF ( (message
+
+ DPRINTF( (message
("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
)
)
);
- if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
+ if (sRef_similarRelaxed(s1, s2) || sRef_sameName (s1, s2) )
{
DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
return TRUE;
}
+void constraintTerm_dump ( /*@observer@*/ constraintTerm t, FILE *f)
+{
+ fileloc loc;
+ constraintTermValue value;
+ constraintTermType kind;
+ uentry u;
+
+ loc = t->loc;
+
+ value = t->value;
+
+ kind = t->kind;
+
+ fprintf(f, "%d\n", (int) kind);
+
+ switch (kind)
+ {
+
+ case EXPRNODE:
+ u = exprNode_getUentry(t->value.expr);
+ fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
+ );
+ break;
+
+ case SREF:
+ {
+ sRef s;
+
+ s = t->value.sref;
+
+ if (sRef_isResult (s ) )
+ {
+ fprintf(f, "Result\n");
+ }
+ else if (sRef_isParam (s ) )
+ {
+ int param;
+ ctype ct;
+ cstring ctString;
+
+
+ ct = sRef_getType (s);
+ param = sRef_getParam(s);
+
+ ctString = ctype_dump(ct);
+
+ fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
+ cstring_free(ctString);
+ }
+ else
+ {
+ u = sRef_getUentry(s);
+ fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
+ }
+
+ }
+ break;
+
+ case INTLITERAL:
+ fprintf (f, "%d\n", t->value.intlit);
+ break;
+
+ default:
+ BADEXIT;
+ }
+
+}
+
+
+/*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
+{
+ constraintTermType kind;
+ constraintTerm ret;
+
+ uentry ue;
+
+ char * str;
+ char * os;
+
+ str = mstring_create (MAX_DUMP_LINE_LENGTH);
+ os = str;
+ str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
+
+ kind = (constraintTermType) reader_getInt(&str);
+ str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
+
+ switch (kind)
+ {
+
+ case SREF:
+ {
+ sRef s;
+ char * term;
+ term = reader_getWord(&str);
+
+ if (strcmp (term, "Result") == 0 )
+ {
+ s = sRef_makeResult();
+ }
+ else if (strcmp (term, "Param" ) == 0 )
+ {
+ int param;
+ char *str2, *ostr2;
+
+ ctype t;
+
+ reader_checkChar(&str, ' ');
+ str2 = reader_getWord(&str);
+ param = reader_getInt(&str);
+
+ ostr2 = str2;
+ t = ctype_undump(&str2) ;
+ s = sRef_makeParam (param, t );
+ free (ostr2);
+ }
+ else //This must be an identified that we can search for
+ // in usymTab
+ {
+ cstring termStr = cstring_makeLiteralTemp(term);
+
+ ue = usymtab_lookup (termStr);
+ s = uentry_getSref(ue);
+ }
+
+ ret = constraintTerm_makesRef(s);
+
+ free(term);
+ }
+ break;
+
+ case EXPRNODE:
+ {
+ sRef s;
+ char * term;
+ cstring termStr;
+
+ term = reader_getWord(&str);
+ //This must be an identifier that we can search for
+ // in usymTab
+ termStr = cstring_makeLiteralTemp(term);
+
+ ue = usymtab_lookup (termStr);
+ s = uentry_getSref(ue);
+ ret = constraintTerm_makesRef(s);
+
+ free (term);
+ }
+ break;
+
+
+ case INTLITERAL:
+ {
+ int i;
+
+ i = reader_getInt(&str);
+ ret = constraintTerm_makeIntLiteral (i);
+ }
+ break;
+
+ default:
+ BADEXIT;
+ }
+ free (os);
+
+ return ret;
+}
+
+
andersk / splint.git / blobdiff