Add support for atomic type qualifiers.

Fixes #101.

encoding2.c

@@ -21,7 +21,7 @@ size_t objc_alignof_type (const char *type);
 
 const char *objc_skip_type_qualifiers (const char *type)
 {
-	static const char *type_qualifiers = "rnNoORV";
+	static const char *type_qualifiers = "rnNoORVA";
 	while('\0' != *type && strchr(type_qualifiers, *type))
 	{
 		type++;

selector_table.c

@@ -109,7 +109,7 @@ static const char *skip_irrelevant_type_info(const char *t)
 	{
 		default: return t;
 		case 'r': case 'n': case 'N': case 'o': case 'O': case 'R':
-		case 'V': case '!': case '0'...'9':
+		case 'V': case 'A': case '!': case '0'...'9':
 			return skip_irrelevant_type_info(t+1);
 	}
 }

sendmsg2.c

@@ -183,7 +183,7 @@ struct objc_slot *objc_msg_lookup_sender(id *receiver, SEL selector, id sender)
 			const char *t = selector->types;
 			// Skip type qualifiers
 			while ('r' == *t || 'n' == *t || 'N' == *t || 'o' == *t ||
-			       'O' == *t || 'R' == *t || 'V' == *t)
+			       'O' == *t || 'R' == *t || 'V' == *t || 'A' == *t)
 			{
 				t++;
 			}
@@ -219,7 +219,7 @@ static struct objc_slot2* objc_slot_lookup(id *receiver, SEL selector)
 			const char *t = selector->types;
 			// Skip type qualifiers
 			while ('r' == *t || 'n' == *t || 'N' == *t || 'o' == *t ||
-			       'O' == *t || 'R' == *t || 'V' == *t)
+			       'O' == *t || 'R' == *t || 'V' == *t || 'A' == *t)
 			{
 				t++;
 			}
@@ -253,7 +253,7 @@ struct objc_slot2 *objc_slot_lookup_version(id *receiver, SEL selector, uint64_t
 			const char *t = selector->types;
 			// Skip type qualifiers
 			while ('r' == *t || 'n' == *t || 'N' == *t || 'o' == *t ||
-			       'O' == *t || 'R' == *t || 'V' == *t)
+			       'O' == *t || 'R' == *t || 'V' == *t || 'A' == *t)
 			{
 				t++;
 			}