different marker semantics

libasn1parser/asn1p_expr.h

@@ -173,18 +173,19 @@ typedef struct asn1p_expr_s {
 		asn1_integer_t tag_value;
 	} tag;
 
-	/*
-	 * Whether automatic tagging is applicable for subtypes.
-	 */
-	int auto_tags_OK;
-
 	enum asn1p_expr_marker_e {
 		EM_NOMARK,
-		EM_OPTIONAL,
-		EM_DEFAULT,	/* FIXME: store the value somewhere. */
+		EM_INDIRECT	= 0x01,	/* 0001: Represent as pointer */
+		EM_OPTIONAL	= 0x03,	/* 0011: Optional member */
+		EM_DEFAULT	= 0x07,	/* 0111: FIXME: store the value */
 	} marker;
 	int unique;	/* UNIQUE */
 
+	/*
+	 * Whether automatic tagging is applicable for subtypes.
+	 */
+	int auto_tags_OK;
+
 	/*
 	 * Members of the constructed type.
 	 */

libasn1print/asn1print.c

@@ -533,11 +533,10 @@ asn1print_expr(asn1p_t *asn, asn1p_module_t *mod, asn1p_expr_t *tc, enum asn1pri
 			 * Print the expression as it were a stand-alone type.
 			 */
 			asn1print_expr(asn, mod, se, flags, level + 4);
-			switch(se->marker) {
-			case EM_NOMARK: break;
-			case EM_OPTIONAL: printf(" OPTIONAL"); break;
-			case EM_DEFAULT: printf(" DEFAULT <?>"); break;
-			}
+			if(se->marker & EM_DEFAULT)
+				printf(" DEFAULT <?>");
+			else if(se->marker & EM_OPTIONAL)
+				printf(" OPTIONAL");
 			if(TQ_NEXT(se, next)) {
 				printf(",");
 				INDENT("\n");