From 6747b2f732b1a89f83dba500a10c701cf272b3e0 Mon Sep 17 00:00:00 2001
From: Luca Bruno <lucabru@src.gnome.org>
Date: Fri, 21 Jun 2013 20:43:56 +0200
Subject: [PATCH] Do not allow abstract, virtual and override at the same time
 for properties

Fixes bug 702736
---
 vala/valaparser.vala | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index 9ee008bf9..a7ca9c0fd 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -2685,6 +2685,12 @@ public class Vala.Parser : CodeVisitor {
 		if (ModifierFlags.EXTERN in flags || scanner.source_file.file_type == SourceFileType.PACKAGE) {
 			prop.external = true;
 		}
+		if ((prop.is_abstract && prop.is_virtual)
+			|| (prop.is_abstract && prop.overrides)
+			|| (prop.is_virtual && prop.overrides)) {
+			throw new ParseError.SYNTAX (get_error ("only one of `abstract', `virtual', or `override' may be specified"));
+		}
+
 		if (accept (TokenType.THROWS)) {
 			do {
 				prop.add_error_type (parse_type (true, false));
-- 
2.47.2