447 lines
14 KiB
C#
447 lines
14 KiB
C#
//
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// System.Reflection/RuntimeModule.cs
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//
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// Author:
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// Rodrigo Kumpera (rkumpera@novell.com)
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//
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// Copyright (C) 2010 Novell, Inc (http://www.novell.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;
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using System.Collections;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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#if !NETCORE
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using System.Security.Cryptography.X509Certificates;
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using System.Security;
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using System.Security.Permissions;
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#endif
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using System.Runtime.Serialization;
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namespace System.Reflection {
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[ComVisible (true)]
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#if !NETCORE
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[ComDefaultInterfaceAttribute (typeof (_Module))]
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#endif
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[Serializable]
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[ClassInterface(ClassInterfaceType.None)]
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[StructLayout (LayoutKind.Sequential)]
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class RuntimeModule : Module
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{
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#pragma warning disable 649
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#region Sync with object-internals.h
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#region Sync with ModuleBuilder
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internal IntPtr _impl; /* a pointer to a MonoImage */
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internal Assembly assembly;
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internal string fqname;
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internal string name;
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internal string scopename;
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internal bool is_resource;
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internal int token;
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#endregion
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#endregion
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#pragma warning restore 649
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public
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override
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Assembly Assembly {
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get { return assembly; }
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}
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public
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override
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// Note: we do not ask for PathDiscovery because no path is returned here.
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// However MS Fx requires it (see FDBK23572 for details).
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string Name {
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get { return name; }
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}
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public
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override
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string ScopeName {
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get { return scopename; }
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}
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public
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override
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int MDStreamVersion {
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get {
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if (_impl == IntPtr.Zero)
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throw new NotSupportedException ();
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return GetMDStreamVersion (_impl);
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}
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}
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public
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override
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Guid ModuleVersionId {
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get {
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return GetModuleVersionId ();
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}
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}
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public override
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string FullyQualifiedName {
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get {
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#if !MOBILE && !NETCORE
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if (SecurityManager.SecurityEnabled) {
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new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fqname).Demand ();
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}
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#endif
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return fqname;
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}
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}
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public
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override
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bool IsResource()
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{
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return is_resource;
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}
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public override
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Type[] FindTypes(TypeFilter filter, object filterCriteria)
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{
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var filtered = new List<Type> ();
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Type[] types = GetTypes ();
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foreach (Type t in types)
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if (filter (t, filterCriteria))
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filtered.Add (t);
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return filtered.ToArray ();
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}
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public override
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object[] GetCustomAttributes(bool inherit)
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{
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return MonoCustomAttrs.GetCustomAttributes (this, inherit);
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}
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public override
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object[] GetCustomAttributes(Type attributeType, bool inherit)
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{
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return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
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}
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public override
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FieldInfo GetField (string name, BindingFlags bindingAttr)
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{
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if (name == null)
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throw new ArgumentNullException("name");
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if (IsResource ())
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return null;
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Type globalType = GetGlobalType (_impl);
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return (globalType != null) ? globalType.GetField (name, bindingAttr) : null;
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}
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public override
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FieldInfo[] GetFields (BindingFlags bindingFlags)
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{
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if (IsResource ())
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return new FieldInfo [0];
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Type globalType = GetGlobalType (_impl);
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return (globalType != null) ? globalType.GetFields (bindingFlags) : new FieldInfo [0];
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}
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public override
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int MetadataToken {
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get {
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return get_MetadataToken (this);
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}
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}
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protected
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override
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MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
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{
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if (IsResource ())
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return null;
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Type globalType = GetGlobalType (_impl);
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if (globalType == null)
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return null;
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if (types == null)
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return globalType.GetMethod (name);
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return globalType.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
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}
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public
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override
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MethodInfo[] GetMethods (BindingFlags bindingFlags) {
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if (IsResource ())
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return new MethodInfo [0];
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Type globalType = GetGlobalType (_impl);
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return (globalType != null) ? globalType.GetMethods (bindingFlags) : new MethodInfo [0];
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}
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#if !NETCORE
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internal override ModuleHandle GetModuleHandleImpl() => new ModuleHandle (_impl);
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#endif
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public override
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void GetPEKind (out PortableExecutableKinds peKind, out ImageFileMachine machine) {
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RuntimeModule.GetPEKind (_impl, out peKind, out machine);
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}
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public override
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Type GetType(string className, bool throwOnError, bool ignoreCase)
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{
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if (className == null)
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throw new ArgumentNullException ("className");
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if (className == String.Empty)
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throw new ArgumentException ("Type name can't be empty");
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return assembly.InternalGetType (this, className, throwOnError, ignoreCase);
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}
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public override
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bool IsDefined (Type attributeType, bool inherit)
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{
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return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
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}
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public
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override
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FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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return ResolveField (this, _impl, metadataToken, genericTypeArguments, genericMethodArguments);
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}
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internal static FieldInfo ResolveField (Module module, IntPtr monoModule, int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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ResolveTokenError error;
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IntPtr handle = ResolveFieldToken (monoModule, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
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if (handle == IntPtr.Zero)
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throw resolve_token_exception (module.Name, metadataToken, error, "Field");
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else
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return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
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}
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public
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override
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MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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return ResolveMember (this, _impl, metadataToken, genericTypeArguments, genericMethodArguments);
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}
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internal static MemberInfo ResolveMember (Module module, IntPtr monoModule, int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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ResolveTokenError error;
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MemberInfo m = ResolveMemberToken (monoModule, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
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if (m == null)
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throw resolve_token_exception (module.Name, metadataToken, error, "MemberInfo");
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else
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return m;
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}
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public
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override
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MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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return ResolveMethod (this, _impl, metadataToken, genericTypeArguments, genericMethodArguments);
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}
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internal static MethodBase ResolveMethod (Module module, IntPtr monoModule, int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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ResolveTokenError error;
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IntPtr handle = ResolveMethodToken (monoModule, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
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if (handle == IntPtr.Zero)
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throw resolve_token_exception (module.Name, metadataToken, error, "MethodBase");
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else
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return RuntimeMethodInfo.GetMethodFromHandleNoGenericCheck (new RuntimeMethodHandle (handle));
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}
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public
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override
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string ResolveString (int metadataToken) {
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return ResolveString (this, _impl, metadataToken);
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}
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internal static string ResolveString (Module module, IntPtr monoModule, int metadataToken) {
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ResolveTokenError error;
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string s = ResolveStringToken (monoModule, metadataToken, out error);
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if (s == null)
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throw resolve_token_exception (module.Name, metadataToken, error, "string");
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else
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return s;
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}
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public
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override
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Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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return ResolveType (this, _impl, metadataToken, genericTypeArguments, genericMethodArguments);
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}
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internal static Type ResolveType (Module module, IntPtr monoModule, int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
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ResolveTokenError error;
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IntPtr handle = ResolveTypeToken (monoModule, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
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if (handle == IntPtr.Zero)
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throw resolve_token_exception (module.Name, metadataToken, error, "Type");
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else
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return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
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}
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public
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override
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byte[] ResolveSignature (int metadataToken) {
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return ResolveSignature (this, _impl, metadataToken);
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}
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internal static byte[] ResolveSignature (Module module, IntPtr monoModule, int metadataToken) {
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ResolveTokenError error;
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byte[] res = ResolveSignature (monoModule, metadataToken, out error);
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if (res == null)
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throw resolve_token_exception (module.Name, metadataToken, error, "signature");
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else
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return res;
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}
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#if !NETCORE
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public override void GetObjectData (SerializationInfo info, StreamingContext context)
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{
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if (info == null)
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throw new ArgumentNullException ("info");
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UnitySerializationHolder.GetUnitySerializationInfo (info, UnitySerializationHolder.ModuleUnity, this.ScopeName, this.GetRuntimeAssembly ());
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}
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#endif
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#if !MOBILE && !NETCORE
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public
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override
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X509Certificate GetSignerCertificate ()
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{
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try {
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return X509Certificate.CreateFromSignedFile (assembly.Location);
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}
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catch {
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return null;
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}
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}
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#endif
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public override
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Type[] GetTypes()
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{
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return InternalGetTypes (_impl);
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}
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public override IList<CustomAttributeData> GetCustomAttributesData () {
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return CustomAttributeData.GetCustomAttributes (this);
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}
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internal RuntimeAssembly GetRuntimeAssembly ()
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{
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return (RuntimeAssembly)assembly;
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}
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internal IntPtr MonoModule {
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get {
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return _impl;
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}
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}
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#if NETCORE
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internal Guid GetModuleVersionId ()
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#else
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internal override Guid GetModuleVersionId ()
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#endif
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{
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var guid = new byte [16];
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GetGuidInternal (_impl, guid);
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return new Guid (guid);
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}
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internal static Exception resolve_token_exception (string name, int metadataToken, ResolveTokenError error, string tokenType) {
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if (error == ResolveTokenError.OutOfRange)
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return new ArgumentOutOfRangeException ("metadataToken", String.Format ("Token 0x{0:x} is not valid in the scope of module {1}", metadataToken, name));
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else
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return new ArgumentException (String.Format ("Token 0x{0:x} is not a valid {1} token in the scope of module {2}", metadataToken, tokenType, name), "metadataToken");
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}
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internal static IntPtr[] ptrs_from_types (Type[] types) {
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if (types == null)
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return null;
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else {
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IntPtr[] res = new IntPtr [types.Length];
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for (int i = 0; i < types.Length; ++i) {
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if (types [i] == null)
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throw new ArgumentException ();
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res [i] = types [i].TypeHandle.Value;
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}
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return res;
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}
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}
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// This calls ves_icall_reflection_get_token, so needs a Module argument
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern int get_MetadataToken (Module module);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern int GetMDStreamVersion (IntPtr module);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern Type[] InternalGetTypes (IntPtr module);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern IntPtr GetHINSTANCE (IntPtr module);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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private static extern void GetGuidInternal (IntPtr module, byte[] guid);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern Type GetGlobalType (IntPtr module);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern IntPtr ResolveTypeToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern IntPtr ResolveMethodToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern IntPtr ResolveFieldToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern string ResolveStringToken (IntPtr module, int token, out ResolveTokenError error);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern MemberInfo ResolveMemberToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern byte[] ResolveSignature (IntPtr module, int metadataToken, out ResolveTokenError error);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern void GetPEKind (IntPtr module, out PortableExecutableKinds peKind, out ImageFileMachine machine);
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}
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internal enum ResolveTokenError {
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OutOfRange,
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BadTable,
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Other
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}
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}
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