From c335fe6cb84a014157534baa04b3d5c8e199ea91 Mon Sep 17 00:00:00 2001
From: Ekaterina Fedorova <efedorova@mirantis.com>
Date: Wed, 27 Aug 2014 15:12:10 +0400
Subject: [PATCH] Provide a description for syntax error

Before this change, 'None' was reported without additional information
Now the reason of error and expression, where it's occurred reported successfully

Change-Id: I1615319957ed0ebf89375eefa75798112cb28563
Partly-Closes-Bug: #1342403
---
 murano/dsl/expressions.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/murano/dsl/expressions.py b/murano/dsl/expressions.py
index 19cd7c49..85fc738b 100644
--- a/murano/dsl/expressions.py
+++ b/murano/dsl/expressions.py
@@ -108,5 +108,6 @@ def parse_expression(expr):
                     continue
 
     if result is None:
-        raise SyntaxError()
+        raise SyntaxError(
+            'Syntax is incorrect in expression: {0}'.format(expr))
     return result