Fix:: Auto overload finder

Author: neolithos

NeoLua.Test/Expressions.cs

@@ -6,6 +6,7 @@
 using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Linq;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Neo.IronLua;
 
@@ -350,18 +351,20 @@ public void TestConvertStatic03()
 			TestResult(new LuaResult(Lua.RtConvertValue(null, typeof(string))), "");
 			TestResult(new LuaResult(Lua.RtConvertValue(new object(), typeof(string))), "System.Object");
 
-			TestResult(new LuaResult(Lua.RtConvertValue(1, typeof(Decimal))), 1m);
-			TestResult(new LuaResult(Lua.RtConvertValue("1.2", typeof(Decimal))), 1.2m);
+			TestResult(new LuaResult(Lua.RtConvertValue(1, typeof(decimal))), 1m);
+			TestResult(new LuaResult(Lua.RtConvertValue("1.2", typeof(decimal))), 1.2m);
 			TestResult(new LuaResult(Lua.RtConvertValue(1.2m, typeof(string))), "1.2");
 			TestResult(new LuaResult(Lua.RtConvertValue(1.2m, typeof(int))), 1);
 
 			TestResult(new LuaResult(Lua.RtConvertValue("90238fad-cb41-4efa-bb2f-4d56a0088a01", typeof(Guid))), new Guid("90238fad-cb41-4efa-bb2f-4d56a0088a01"));
+
+			TestResult(new LuaResult(Lua.RtConvertValue(new XElement("test", new XText("value")), typeof(string))), "value");
 		}
 
 		[TestMethod]
 		public void TestConvert04()
 		{
-			using (Lua l = new Lua())
+			using (var l = new Lua())
 			{
 				l.PrintExpressionTree = Console.Out;
 				dynamic g = l.CreateEnvironment();

NeoLua/LuaEmit.cs

@@ -347,7 +347,7 @@ private static MethodInfo FindConvertOperator(Type fromType, Type toType, Method
 					implicitMethod = testImplicit;
 					currentMethodInfo = mi;
 				}
-				else if (isExactTo) // check only testExactFrom
+				else if (testExactTo) // check only testExactFrom
 				{
 					if (testExactFrom) // nice
 					{

NeoLua/LuaTable.cs

@@ -691,7 +691,7 @@ public override DynamicMetaObject BindConvert(ConvertBinder binder)
 			/// <summary></summary>
 			/// <returns></returns>
 			public override IEnumerable<string> GetDynamicMemberNames()
-				=> ((LuaTable)Value).Members.Keys;
+				=> ((LuaTable)Value).GetKeys();
 		} // class LuaTableMetaObject
 
 		#endregion
@@ -3400,6 +3400,11 @@ object NextHashKey2(int currrentIndex)
 			}
 		} // func NextKey
 
+		/// <summary>Return visible keys.</summary>
+		/// <returns></returns>
+		protected virtual IEnumerable<string> GetKeys()
+			=> ((IDictionary<object, object>)this).Keys.Select(c => (string)Lua.RtConvertValue(c, typeof(string)));
+
 		#endregion
 
 		#region -- ICollection<KeyValuePair<object, object>> ------------------------------