Imported Upstream version 6.4.0.137

Former-commit-id: 943baa9f16a098c33e129777827f3a9d20da00d6

mcs/class/System.Private.CoreLib/System.Reflection/MethodBase.cs

@@ -0,0 +1,74 @@
+using System.Runtime.CompilerServices;
+using System.Reflection.Emit;
+
+namespace System.Reflection
+{
+	partial class MethodBase
+	{
+		public static MethodBase GetMethodFromHandle (RuntimeMethodHandle handle)
+		{
+			if (handle.IsNullHandle ())
+				throw new ArgumentException (SR.Argument_InvalidHandle);
+
+			MethodBase m = RuntimeMethodInfo.GetMethodFromHandleInternalType (handle.Value, IntPtr.Zero);
+			if (m == null)
+				throw new ArgumentException (SR.Argument_InvalidHandle);
+
+			Type declaringType = m.DeclaringType;
+			if (declaringType != null && declaringType.IsGenericType)
+				throw new ArgumentException (String.Format (SR.Argument_MethodDeclaringTypeGeneric,
+															m, declaringType.GetGenericTypeDefinition ()));
+
+			return m;
+		}
+
+		public static MethodBase GetMethodFromHandle (RuntimeMethodHandle handle, RuntimeTypeHandle declaringType)
+		{
+			if (handle.IsNullHandle ())
+				throw new ArgumentException (SR.Argument_InvalidHandle);
+			MethodBase m = RuntimeMethodInfo.GetMethodFromHandleInternalType (handle.Value, declaringType.Value);
+			if (m == null)
+				throw new ArgumentException (SR.Argument_InvalidHandle);
+			return m;
+		}
+
+		[MethodImplAttribute (MethodImplOptions.InternalCall)]
+		public extern static MethodBase GetCurrentMethod ();
+
+		internal virtual ParameterInfo[] GetParametersNoCopy ()
+		{
+			return GetParametersInternal ();
+		}
+
+		internal virtual ParameterInfo[] GetParametersInternal ()
+		{
+			throw new NotImplementedException ();
+		}
+
+		internal virtual int GetParametersCount ()
+		{
+			throw new NotImplementedException ();
+		}
+
+		internal virtual Type GetParameterType (int pos)
+		{
+			throw new NotImplementedException ();
+		}
+
+		internal virtual Type[] GetParameterTypes ()
+		{
+			ParameterInfo[] paramInfo = GetParametersNoCopy ();
+
+			Type[] parameterTypes = new Type [paramInfo.Length];
+			for (int i = 0; i < paramInfo.Length; i++)
+				parameterTypes [i] = paramInfo [i].ParameterType;
+
+			return parameterTypes;
+		}
+
+		internal virtual int get_next_table_index (object obj, int table, int count)
+		{
+			throw new NotImplementedException ();
+		}
+	}
+}