Fixed AttributeNode.

MDoerner · MDoerner · commit 6314c0a85a9c · 2018-02-20T23:00:44.000+01:00
diff --git a/Rubberduck.Parsing/VBA/Attributes.cs b/Rubberduck.Parsing/VBA/Attributes.cs
@@ -1,6 +1,5 @@
 ﻿using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
 using Rubberduck.Parsing.Annotations;
 using Rubberduck.Parsing.Grammar;
@@ -41,7 +40,7 @@ public AttributeNode(string name, IEnumerable<string> values)
 
         public void AddValue(string value)
         {
-            _values.Add(value);
+            _values?.Add(value);
         }
 
         public IReadOnlyList<string> Values
@@ -51,7 +50,7 @@ public IReadOnlyList<string> Values
 
         public bool HasValue(string value)
         {
-            return _values.Any(item => item.Equals(value, StringComparison.OrdinalIgnoreCase));
+            return Values.Any(item => item.Equals(value, StringComparison.OrdinalIgnoreCase));
         }
 
         public bool Equals(AttributeNode other)

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,5 @@`
`1`	`1`	`using System;`
`2`	`2`	`using System.Collections.Generic;`
`3`		`-using System.Diagnostics;`
`4`	`3`	`using System.Linq;`
`5`	`4`	`using Rubberduck.Parsing.Annotations;`
`6`	`5`	`using Rubberduck.Parsing.Grammar;`
`@@ -41,7 +40,7 @@ public AttributeNode(string name, IEnumerable<string> values)`
`41`	`40`
`42`	`41`	`public void AddValue(string value)`
`43`	`42`	`{`
`44`		`- _values.Add(value);`
	`43`	`+ _values?.Add(value);`
`45`	`44`	`}`
`46`	`45`
`47`	`46`	`public IReadOnlyList<string> Values`
`@@ -51,7 +50,7 @@ public IReadOnlyList<string> Values`
`51`	`50`
`52`	`51`	`public bool HasValue(string value)`
`53`	`52`	`{`
`54`		`- return _values.Any(item => item.Equals(value, StringComparison.OrdinalIgnoreCase));`
	`53`	`+ return Values.Any(item => item.Equals(value, StringComparison.OrdinalIgnoreCase));`
`55`	`54`	`}`
`56`	`55`
`57`	`56`	`public bool Equals(AttributeNode other)`