110 lines
3.8 KiB
C#
110 lines
3.8 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 dnSpy.Contracts.Debugger.DotNet.Code;
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using dnSpy.Contracts.Debugger.Evaluation;
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namespace dnSpy.Contracts.Debugger.DotNet.Evaluation {
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/// <summary>
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/// Method debug info used by a .NET debugger language. An instance of this class is attached to
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/// a <see cref="DbgEvaluationContext"/>, see <see cref="DbgLanguageDebugInfoExtensions.TryGetLanguageDebugInfo(DbgEvaluationContext)"/>
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/// and <see cref="DbgLanguageDebugInfoExtensions.GetLanguageDebugInfo(DbgEvaluationContext)"/>
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/// </summary>
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public sealed class DbgLanguageDebugInfo {
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/// <summary>
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/// Gets the method debug info
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/// </summary>
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public DbgMethodDebugInfo MethodDebugInfo { get; }
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/// <summary>
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/// Gets the method token
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/// </summary>
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public int MethodToken { get; }
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/// <summary>
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/// Gets the method local variables signature token
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/// </summary>
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public int LocalVarSigTok { get; }
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/// <summary>
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/// Gets the method version number, a 1-based number
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/// </summary>
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public int MethodVersion { get; }
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/// <summary>
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/// Gets the IL offset
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/// </summary>
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public uint ILOffset { get; }
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="methodDebugInfo">Method debug info</param>
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/// <param name="methodToken">Method token</param>
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/// <param name="localVarSigTok">Method local variables signature token</param>
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/// <param name="methodVersion">Method version number, a 1-based number</param>
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/// <param name="ilOffset">IL offset</param>
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public DbgLanguageDebugInfo(DbgMethodDebugInfo methodDebugInfo, int methodToken, int localVarSigTok, int methodVersion, uint ilOffset) {
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if (methodVersion < 1)
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throw new ArgumentOutOfRangeException(nameof(methodVersion));
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MethodDebugInfo = methodDebugInfo ?? throw new ArgumentNullException(nameof(methodDebugInfo));
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MethodToken = methodToken;
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LocalVarSigTok = localVarSigTok;
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MethodVersion = methodVersion;
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ILOffset = ilOffset;
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}
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}
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/// <summary>
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/// Extension methods
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/// </summary>
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public static class DbgLanguageDebugInfoExtensions {
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/// <summary>
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/// Gets the debug info or null if there's none
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/// </summary>
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/// <param name="context">Context</param>
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/// <returns></returns>
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public static DbgLanguageDebugInfo? TryGetLanguageDebugInfo(this DbgEvaluationContext context) {
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if (context.TryGetData<DbgLanguageDebugInfo>(out var info))
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return info;
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return null;
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}
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/// <summary>
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/// Gets the debug info and throws if there is none
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/// </summary>
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/// <param name="context">Context</param>
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/// <returns></returns>
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public static DbgLanguageDebugInfo GetLanguageDebugInfo(this DbgEvaluationContext context) {
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if (context.TryGetData<DbgLanguageDebugInfo>(out var info))
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return info;
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throw new InvalidOperationException();
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}
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/// <summary>
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/// Attaches <paramref name="debugInfo"/> to <paramref name="context"/>
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/// </summary>
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/// <param name="context">Context</param>
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/// <param name="debugInfo">Debug info</param>
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public static void SetLanguageDebugInfo(DbgEvaluationContext context, DbgLanguageDebugInfo debugInfo) =>
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context.GetOrCreateData(() => debugInfo);
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}
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}
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