Add parameter attributes

Author: xoofx

src/CppAst/CppModelBuilder.cs

@@ -1659,6 +1659,8 @@ private CppFunction VisitFunctionDecl(CXCursor cursor, CXCursor parent, void* da
 
                         var parameter = new CppParameter(GetCppType(argCursor.Type.Declaration, argCursor.Type, argCursor, clientData), argName);
 
+                        ParseAttributes(argCursor, parameter, true);
+                        
                         cppFunction.Parameters.Add(parameter);
 
                         // Visit default parameter value

src/CppAst/CppParameter.cs

@@ -3,13 +3,14 @@
 // See license.txt file in the project root for full license information.
 
 using System;
+using System.Collections.Generic;
 
 namespace CppAst
 {
     /// <summary>
     /// A C++ function parameter.
     /// </summary>
-    public sealed class CppParameter : CppDeclaration, ICppMember
+    public sealed class CppParameter : CppDeclaration, ICppMember, ICppAttributeContainer
     {
         /// <summary>
         /// Creates a new instance of a C++ function parameter.
@@ -20,6 +21,9 @@ public CppParameter(CppType type, string name)
         {
             Type = type ?? throw new ArgumentNullException(nameof(type));
             Name = name ?? throw new ArgumentNullException(nameof(name));
+            Attributes = new List<CppAttribute>();
+            TokenAttributes = new List<CppAttribute>();
+            MetaAttributes = new MetaAttributeMap();
         }
 
         /// <summary>
@@ -51,5 +55,14 @@ public override string ToString()
 
             return InitExpression != null ? $"{Type.GetDisplayName()} {Name} = {InitExpression}" : $"{Type.GetDisplayName()} {Name}";
         }
+
+        /// <inheritdoc/>
+        public List<CppAttribute> Attributes { get; }
+
+        /// <inheritdoc/>
+        public List<CppAttribute> TokenAttributes { get; }
+
+        /// <inheritdoc/>
+        public MetaAttributeMap MetaAttributes { get; }
     }
 }