Add some minor VPI/ACC fixes and updates

These were submitted.

libveriuser/a_configure.c

@@ -69,9 +69,13 @@ int acc_configure(PLI_INT32 config_param, const char*value)
 		  fprintf(pli_trace, "acc_configure(config=%d, %s)\n",
 			  (int)config_param, value);
 	    }
-
+#if 0
 	    vpi_printf("XXXX acc_configure(%d, %s)\n", (int)config_param,
 	               value);
+#else
+	      /* Parameter is not necessarily a string. */
+	    vpi_printf("XXXX acc_configure(%d, ...)\n", (int)config_param);
+#endif
 	    rc = 0;
 	    break;
       }

libveriuser/a_fetch_type_str.c

@@ -40,3 +40,11 @@ const char* acc_fetch_type_str(PLI_INT32 type)
       vpi_printf("acc_fetch_type_str: type %d is what accType?\n", (int)type);
       return "acc_fetch_type_str(unknown)";
 }
+
+/*
+ * FIXME: What does this do? How should it be declared in acc_user.h?
+ */
+PLI_INT32 acc_fetch_paramtype(PLI_INT32 type)
+{
+      return 0;
+}

libveriuser/a_vcl.c

@@ -162,6 +162,7 @@ void acc_vcl_add(handle obj, PLI_INT32(*consumer)(p_vc_record),
 
       switch (vpi_get(vpiType, obj)) {
 	  case vpiNet:
+	  case vpiReg:
 	    cur = malloc(sizeof (struct vcl_record));
 	    cur->obj = obj;
 	    cur->consumer = consumer;

vpi_user.h

@@ -334,6 +334,8 @@ typedef struct t_vpi_delay  {
 #define vpiTimePrecision 12
 #define vpiDefFile       15
 #define vpiDefLineNo     16
+#define vpiScalar        17
+#define vpiVector        18
 
 #define vpiDirection 20 /* direction of port: */
 #   define vpiInput 1

vvp/vpi_signal.cc

@@ -567,6 +567,11 @@ static int signal_get(int code, vpiHandle ref)
 	  case vpiRightRange:
             return rfp->lsb;
 
+	  case vpiScalar:
+	    return (rfp->msb == 0 && rfp->lsb == 0);
+	  case vpiVector:
+	    return (rfp->msb != rfp->lsb);
+
           case vpiAutomatic:
             return (int) vpip_scope(rfp)->is_automatic;