# include "cgrammar_tokens.h"
# include "exprChecks.h"
-# include "aliasChecks.h"
# include "exprNodeSList.h"
/*@-czechfcns@*/
//#include "constraintExpr.h"
-/*@access exprNode, constraintTermValue @*/
+/*@access exprNode @*/
-static bool constraintTerm_same (constraintTerm term1, constraintTerm term2) ;
+bool constraintTerm_isDefined (constraintTerm t)
+{
+ return t != NULL;
+}
+
+/*@unused@*/ static bool constraintTerm_same (constraintTerm p_term1, constraintTerm p_term2) ;
void constraintTerm_free (/*@only@*/ constraintTerm term)
{
- llassert(constraintTerm_isDefined(term) );
+ llassert (constraintTerm_isDefined (term));
+
fileloc_free (term->loc);
switch (term->kind)
break;
case SREF:
/* sref */
- //sRef_free (term->value.sref);
+ sRef_free (term->value.sref);
break;
case INTLITERAL:
/* don't free an int */
/* type was set incorrectly */
llcontbug (message("constraintTerm_free type was set incorrectly"));
}
+ // term->value.intlit = 0;
+ term->kind = ERRORBADCONSTRAINTTERMTYPE;
free (term);
}
if ( exprNode_knownIntValue (term->value.expr ) )
{
long int temp;
- #warning is this a leak?
+
temp = exprNode_getLongValue (term->value.expr);
term->value.intlit = (int)temp;
term->kind = INTLITERAL;
fileloc constraintTerm_getFileloc (constraintTerm t)
{
+ llassert (constraintTerm_isDefined (t));
return (fileloc_copy (t->loc) );
}
return (t->value.sref);
}
-/*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@dependent@*/ exprNode e)
+/*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@depenedent@*/ exprNode e)
{
constraintTerm ret = new_constraintTermExpr();
ret->loc = fileloc_copy(exprNode_getfileloc(e));
return ret;
}
-/*@only@*/ constraintTerm constraintTerm_makesRef (/*@exposed@*/ sRef s)
+/*@only@*/ constraintTerm constraintTerm_makesRef (/*@temp@*/ /*@observer@*/ sRef s)
{
constraintTerm ret = new_constraintTermExpr();
ret->loc = fileloc_undefined;
return ret;
}
+
+
constraintTerm constraintTerm_copy (constraintTerm term)
{
constraintTerm ret;
ret = new_constraintTermExpr();
ret->loc = fileloc_copy (term->loc);
- constraintTermValue_copy (ret->value, term->value);
+
+ switch (term->kind)
+ {
+ case EXPRNODE:
+ ret->value.expr = term->value.expr;
+ break;
+ case INTLITERAL:
+ ret->value.intlit = term->value.intlit;
+ break;
+
+ case SREF:
+ ret->value.sref = sRef_saveCopy(term->value.sref);
+ break;
+ default:
+ BADEXIT;
+ }
ret->kind = term->kind;
return ret;
}
{
llassert(term != NULL);
- if (term->loc != fileloc_undefined)
+ if ( fileloc_isDefined( term->loc ) )
fileloc_free(term->loc);
term->loc = fileloc_copy(loc);
s1 = constraintTerm_getsRef (term1);
s2 = constraintTerm_getsRef (term2);
- if ( ! (s1 && s2) )
+ 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)
)
)
}
}
+
+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;
+}
+
+
+
+