Fixed #117 Problem with same method in class and base class.

+ Unit Tests.

Core/NLua/Method/LuaMethodWrapper.cs

@@ -25,6 +25,7 @@
 using System;
 using System.Reflection;
 using System.Collections.Generic;
+using System.Linq;
 using NLua.Exceptions;
 using NLua.Extensions;
 
@@ -94,7 +95,18 @@ public LuaMethodWrapper (ObjectTranslator translator, ProxyType targetType, stri
 				_ExtractTarget = translator.typeChecker.GetExtractor (targetType);
 
 			_IsStatic = (bindingType & BindingFlags.Static) == BindingFlags.Static;
-			_Members  = targetType.UnderlyingSystemType.GetMethods (methodName, bindingType | BindingFlags.Public);
+			_Members  = GetMethodsRecursively (targetType.UnderlyingSystemType, methodName, bindingType | BindingFlags.Public);
+		}
+
+		MethodInfo [] GetMethodsRecursively (Type type, string methodName, BindingFlags bindingType)
+		{
+			if (type == typeof(object))
+				return type.GetMethods (methodName, bindingType | BindingFlags.Public);
+
+			var methods = type.GetMethods (methodName, bindingType | BindingFlags.Public);
+			var baseMethods = GetMethodsRecursively (type.BaseType, methodName, bindingType);
+
+			return methods.Concat (baseMethods).ToArray ();
 		}
 
 		/// <summary>

tests/LuaTests.cs

@@ -21,6 +21,11 @@
 
 namespace NLuaTest
 {
+	public class parameter
+	{
+		public string field1 = "parameter-field1";
+	}
+
 	#if MONOTOUCH
 	[Preserve (AllMembers = true)]
 	#endif
@@ -30,6 +35,11 @@ public static string read()
 		{
 			return "test-master";
 		}
+
+		public static string read( parameter test )
+		{
+			return test.field1;
+		}
 	}
 
 	#if MONOTOUCH
@@ -43,6 +53,11 @@ public static string read2()
 		{
 			return "test";
 		}
+
+		public static string read( int test )
+		{
+			return "int-test";
+		}
 	}
 
 	#if MONOTOUCH
@@ -2301,14 +2316,32 @@ public void TestCallDelegateWithWrongParametersShouldFail ()
 				try {
 				l.DoString (" d (10) ");
 				}
-				catch (LuaScriptException e) {
+				catch (LuaScriptException ) {
 					fail = true;
 				}
 			}
 
 			Assert.True (fail);
 		}
 
+		[Test]
+		public void TestOverloadedMethodCallOnBase ()
+		{
+			using (var l = new Lua ()) {
+				l.LoadCLRPackage ();
+				l.DoString (" import ('NLuaTest') ");
+				l.DoString (@"
+					p=parameter()
+					r1 = testClass.read(p)     -- is not working. it is also not working if the method in base class has two parameters instead of one
+					r2 = testClass.read(1)     -- is working				
+				");
+				string r1 = (string) l ["r1"];
+				string r2 = (string) l ["r2"];
+				Assert.AreEqual ("parameter-field1", r1, "#1");
+				Assert.AreEqual ("int-test" , r2, "#2");
+			}
+		}
+
 		static Lua m_lua;
 
 	}