324 lines
8.9 KiB
C#
324 lines
8.9 KiB
C#
//
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// System.Reflection/MethodBase.cs
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//
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// Author:
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// Paolo Molaro (lupus@ximian.com)
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//
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// (C) 2001 Ximian, Inc. http://www.ximian.com
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Diagnostics;
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using System.Globalization;
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#if !FULL_AOT_RUNTIME
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using System.Reflection.Emit;
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#endif
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace System.Reflection {
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[ComVisible (true)]
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[ComDefaultInterfaceAttribute (typeof (_MethodBase))]
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[Serializable]
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[ClassInterface(ClassInterfaceType.None)]
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#if MOBILE
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public abstract class MethodBase: MemberInfo {
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#else
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public abstract class MethodBase: MemberInfo, _MethodBase {
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#endif
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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public extern static MethodBase GetCurrentMethod ();
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internal static MethodBase GetMethodFromHandleNoGenericCheck (RuntimeMethodHandle handle)
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{
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return GetMethodFromIntPtr (handle.Value, IntPtr.Zero);
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}
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static MethodBase GetMethodFromIntPtr (IntPtr handle, IntPtr declaringType)
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{
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if (handle == IntPtr.Zero)
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throw new ArgumentException ("The handle is invalid.");
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MethodBase res = GetMethodFromHandleInternalType (handle, declaringType);
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if (res == null)
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throw new ArgumentException ("The handle is invalid.");
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return res;
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}
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public static MethodBase GetMethodFromHandle (RuntimeMethodHandle handle)
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{
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MethodBase res = GetMethodFromIntPtr (handle.Value, IntPtr.Zero);
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Type t = res.DeclaringType;
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if (t.IsGenericType || t.IsGenericTypeDefinition)
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throw new ArgumentException ("Cannot resolve method because it's declared in a generic class.");
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return res;
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}
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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private extern static MethodBase GetMethodFromHandleInternalType (IntPtr method_handle, IntPtr type_handle);
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[ComVisible (false)]
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public static MethodBase GetMethodFromHandle (RuntimeMethodHandle handle, RuntimeTypeHandle declaringType)
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{
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return GetMethodFromIntPtr (handle.Value, declaringType.Value);
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}
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public abstract MethodImplAttributes GetMethodImplementationFlags();
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public abstract ParameterInfo[] GetParameters();
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//
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// This is a quick version for our own use. We should override
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// it where possible so that it does not allocate an array.
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// They cannot be abstract otherwise we break public contract
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//
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internal virtual ParameterInfo[] GetParametersInternal ()
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{
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// Override me
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return GetParameters ();
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}
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internal virtual int GetParametersCount ()
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{
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// Override me
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return GetParametersInternal ().Length;
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}
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internal virtual Type GetParameterType (int pos) {
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throw new NotImplementedException ();
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}
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[DebuggerHidden]
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[DebuggerStepThrough]
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public Object Invoke(Object obj, Object[] parameters) {
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return Invoke (obj, 0, null, parameters, null);
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}
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public abstract Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture);
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protected MethodBase()
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{
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}
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public abstract RuntimeMethodHandle MethodHandle { get; }
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public abstract MethodAttributes Attributes { get; }
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public virtual CallingConventions CallingConvention { get {return CallingConventions.Standard;} }
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public Boolean IsPublic {
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get {
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return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Public;
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}
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}
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public Boolean IsPrivate {
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get {
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return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Private;
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}
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}
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public Boolean IsFamily {
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get {
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return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Family;
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}
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}
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public Boolean IsAssembly {
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get {
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return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Assembly;
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}
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}
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public Boolean IsFamilyAndAssembly {
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get {
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return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamANDAssem;
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}
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}
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public Boolean IsFamilyOrAssembly {
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get {
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return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamORAssem;
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}
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}
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public Boolean IsStatic {
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get {
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return (Attributes & MethodAttributes.Static) != 0;
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}
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}
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public Boolean IsFinal {
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get {
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return (Attributes & MethodAttributes.Final) != 0;
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}
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}
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public Boolean IsVirtual {
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get {
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return (Attributes & MethodAttributes.Virtual) != 0;
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}
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}
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public Boolean IsHideBySig {
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get {
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return (Attributes & MethodAttributes.HideBySig) != 0;
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}
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}
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public Boolean IsAbstract {
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get {
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return (Attributes & MethodAttributes.Abstract) != 0;
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}
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}
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public Boolean IsSpecialName {
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get {
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int attr = (int)Attributes;
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return (attr & (int)MethodAttributes.SpecialName) != 0;
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}
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}
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[ComVisibleAttribute (true)]
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public Boolean IsConstructor {
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get {
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int attr = (int)Attributes;
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return ((attr & (int)MethodAttributes.RTSpecialName) != 0
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&& (Name == ".ctor"));
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}
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}
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internal virtual int get_next_table_index (object obj, int table, bool inc) {
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#if !FULL_AOT_RUNTIME
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if (this is MethodBuilder) {
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MethodBuilder mb = (MethodBuilder)this;
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return mb.get_next_table_index (obj, table, inc);
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}
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if (this is ConstructorBuilder) {
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ConstructorBuilder mb = (ConstructorBuilder)this;
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return mb.get_next_table_index (obj, table, inc);
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}
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#endif
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throw new Exception ("Method is not a builder method");
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}
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[ComVisible (true)]
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public virtual Type [] GetGenericArguments ()
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{
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throw new NotSupportedException ();
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}
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public virtual bool ContainsGenericParameters {
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get {
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return false;
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}
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}
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public virtual bool IsGenericMethodDefinition {
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get {
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return false;
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}
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}
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public virtual bool IsGenericMethod {
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get {
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return false;
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}
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}
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal extern static MethodBody GetMethodBodyInternal (IntPtr handle);
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internal static MethodBody GetMethodBody (IntPtr handle) {
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return GetMethodBodyInternal (handle);
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}
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public virtual MethodBody GetMethodBody () {
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throw new NotSupportedException ();
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}
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public override bool Equals (object obj)
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{
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return obj == (object) this;
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}
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public override int GetHashCode ()
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{
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return base.GetHashCode ();
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}
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public static bool operator == (MethodBase left, MethodBase right)
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{
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if ((object)left == (object)right)
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return true;
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if ((object)left == null ^ (object)right == null)
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return false;
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return left.Equals (right);
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}
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public static bool operator != (MethodBase left, MethodBase right)
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{
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if ((object)left == (object)right)
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return false;
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if ((object)left == null ^ (object)right == null)
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return true;
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return !left.Equals (right);
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}
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public virtual bool IsSecurityCritical {
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get {
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throw new NotImplementedException ();
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}
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}
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public virtual bool IsSecuritySafeCritical {
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get {
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throw new NotImplementedException ();
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}
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}
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public virtual bool IsSecurityTransparent {
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get {
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throw new NotImplementedException ();
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}
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}
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public virtual MethodImplAttributes MethodImplementationFlags {
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get { return GetMethodImplementationFlags (); }
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}
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#if !MOBILE
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void _MethodBase.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
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{
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throw new NotImplementedException ();
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}
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Type _MethodBase.GetType ()
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{
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// Required or object::GetType becomes virtual final
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return base.GetType ();
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}
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void _MethodBase.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
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{
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throw new NotImplementedException ();
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}
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void _MethodBase.GetTypeInfoCount (out uint pcTInfo)
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{
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throw new NotImplementedException ();
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}
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void _MethodBase.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
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{
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throw new NotImplementedException ();
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}
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#endif
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}
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}
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