58 lines
2.4 KiB
C#
58 lines
2.4 KiB
C#
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/*
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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.Dynamic;
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using dnSpy.Debugger.DotNet.Metadata;
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namespace dnSpy.Roslyn.Debugger.ValueNodes {
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static class DynamicMetaObjectProviderDebugViewHelper {
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static readonly DmdReadOnlyAssemblyName debugViewAssemblyName =
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new DmdReadOnlyAssemblyName("Microsoft.CSharp",
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null, string.Empty, DmdAssemblyNameFlags.None,
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new byte[8] { 0xB0, 0x3F, 0x5F, 0x7F, 0x11, 0xD5, 0x0A, 0x3A }, DmdAssemblyHashAlgorithm.None);
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sealed class CtorState {
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public DmdAssembly? Assembly;
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public DmdConstructorInfo? Constructor;
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}
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/// <summary>
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/// Returns the debug view constructor for objects implementing <see cref="IDynamicMetaObjectProvider"/>
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/// or COM objects.
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///
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/// The debug view is in the <c>Microsoft.CSharp</c> assembly. If it's not been loaded, this method
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/// returns null.
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/// </summary>
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/// <param name="appDomain">AppDomain</param>
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/// <returns></returns>
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public static DmdConstructorInfo? GetDynamicMetaObjectProviderDebugViewConstructor(DmdAppDomain appDomain) {
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var state = appDomain.GetOrCreateData<CtorState>();
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if (state.Assembly is null) {
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state.Assembly = appDomain.GetAssembly(debugViewAssemblyName);
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var type = state.Assembly?.GetType("Microsoft.CSharp.RuntimeBinder.DynamicMetaObjectProviderDebugView", DmdGetTypeOptions.None);
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state.Constructor = type?.GetMethod(DmdConstructorInfo.ConstructorName, DmdSignatureCallingConvention.HasThis, 0, appDomain.System_Void, new[] { appDomain.System_Object }, throwOnError: false) as DmdConstructorInfo;
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}
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return state.Constructor;
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}
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public static string GetDebugViewTypeDisplayName() =>
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"Microsoft.CSharp.RuntimeBinder.DynamicMetaObjectProviderDebugView";
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}
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}
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