Parse C++11 classed enums

Manual cherry-pick of geany/geany@6c7f695

Author: igrr

c.c

@@ -1725,6 +1725,12 @@ static void processInterface (statementInfo *const st)
 	st->declaration = DECL_INTERFACE;
 }
 
+static void checkIsClassEnum (statementInfo *const st, const declType decl)
+{
+	if (! isLanguage (Lang_cpp) || st->declaration != DECL_ENUM)
+		st->declaration = decl;
+}
+
 static void processToken (tokenInfo *const token, statementInfo *const st)
 {
 	switch (token->keyword)        /* is it a reserved word? */
@@ -1740,7 +1746,7 @@ static void processToken (tokenInfo *const token, statementInfo *const st)
 		case KEYWORD_BIT:       st->declaration = DECL_BASE;            break;
 		case KEYWORD_CATCH:     skipParens (); skipBraces ();           break;
 		case KEYWORD_CHAR:      st->declaration = DECL_BASE;            break;
-		case KEYWORD_CLASS:     st->declaration = DECL_CLASS;           break;
+		case KEYWORD_CLASS:     checkIsClassEnum (st, DECL_CLASS);      break;
 		case KEYWORD_CONST:     st->declaration = DECL_BASE;            break;
 		case KEYWORD_DOUBLE:    st->declaration = DECL_BASE;            break;
 		case KEYWORD_ENUM:      st->declaration = DECL_ENUM;            break;
@@ -1768,7 +1774,7 @@ static void processToken (tokenInfo *const token, statementInfo *const st)
 		case KEYWORD_SIGNED:    st->declaration = DECL_BASE;            break;
 		case KEYWORD_STATIC_ASSERT:   skipParens();                     break;
 		case KEYWORD_STRING:    st->declaration = DECL_BASE;            break;
-		case KEYWORD_STRUCT:    st->declaration = DECL_STRUCT;          break;
+		case KEYWORD_STRUCT:    checkIsClassEnum (st, DECL_STRUCT);     break;
 		case KEYWORD_TASK:      st->declaration = DECL_TASK;            break;
 		case KEYWORD_THROWS:    discardTypeList (token);                break;
 		case KEYWORD_UNION:     st->declaration = DECL_UNION;           break;