81 lines
3.5 KiB
C#
81 lines
3.5 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Diagnostics;
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namespace dnSpy.Debugger.DotNet.Metadata.Impl.COMD {
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sealed class DmdEventDefCOMD : DmdEventDef {
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public override string Name { get; }
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public override DmdEventAttributes Attributes { get; }
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public override DmdType EventHandlerType { get; }
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readonly DmdComMetadataReader reader;
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public DmdEventDefCOMD(DmdComMetadataReader reader, uint rid, DmdType declaringType, DmdType reflectedType) : base(rid, declaringType, reflectedType) {
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this.reader = reader ?? throw new ArgumentNullException(nameof(reader));
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reader.Dispatcher.VerifyAccess();
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uint token = 0x14000000 + rid;
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Name = MDAPI.GetEventName(reader.MetaDataImport, token) ?? string.Empty;
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Attributes = MDAPI.GetEventAttributes(reader.MetaDataImport, token);
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var eventTypeToken = MDAPI.GetEventTypeToken(reader.MetaDataImport, token);
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EventHandlerType = reader.ResolveType((int)eventTypeToken, DeclaringType!.GetGenericArguments(), null, DmdResolveOptions.None) ?? reader.Module.AppDomain.System_Void;
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}
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T COMThread<T>(Func<T> action) => reader.Dispatcher.Invoke(action);
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protected override void GetMethods(out DmdMethodInfo? addMethod, out DmdMethodInfo? removeMethod, out DmdMethodInfo? raiseMethod, out DmdMethodInfo[]? otherMethods) {
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var info = COMThread(GetMethods_COMThread);
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addMethod = info.addMethod;
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removeMethod = info.removeMethod;
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raiseMethod = info.raiseMethod;
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otherMethods = info.otherMethods;
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}
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(DmdMethodInfo? addMethod, DmdMethodInfo? removeMethod, DmdMethodInfo? raiseMethod, DmdMethodInfo[] otherMethods) GetMethods_COMThread() {
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reader.Dispatcher.VerifyAccess();
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MDAPI.GetEventAddRemoveFireTokens(reader.MetaDataImport, (uint)MetadataToken, out uint addToken, out uint removeToken, out uint fireToken);
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var otherMethodTokens = MDAPI.GetEventOtherMethodTokens(reader.MetaDataImport, (uint)MetadataToken);
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var addMethod = Lookup_COMThread(addToken);
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var removeMethod = Lookup_COMThread(removeToken);
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var raiseMethod = Lookup_COMThread(fireToken);
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var otherMethods = otherMethodTokens.Length == 0 ? Array.Empty<DmdMethodInfo>() : new DmdMethodInfo[otherMethodTokens.Length];
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for (int i = 0; i < otherMethods.Length; i++) {
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var otherMethod = Lookup_COMThread(otherMethodTokens[i]);
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if (otherMethod is null) {
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otherMethods = Array.Empty<DmdMethodInfo>();
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break;
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}
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otherMethods[i] = otherMethod;
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}
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return (addMethod, removeMethod, raiseMethod, otherMethods);
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}
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DmdMethodInfo? Lookup_COMThread(uint token) {
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if ((token >> 24) != 0x06 || (token & 0x00FFFFFF) == 0)
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return null;
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var method = ReflectedType!.GetMethod(Module, (int)token) as DmdMethodInfo;
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Debug2.Assert(method is not null);
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return method;
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}
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protected override DmdCustomAttributeData[] CreateCustomAttributes() => reader.ReadCustomAttributes(MetadataToken);
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}
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}
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