mirror of
https://github.com/modernuo/ModernUO
synced 2026-08-11 22:23:06 -04:00
41 lines
2.4 KiB
C#
41 lines
2.4 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2026 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: ExceptionExtensions.cs *
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* *
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* This program 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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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. 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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using System.Linq.Expressions;
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using System.Reflection;
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namespace Server.Exceptions;
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public static class ExceptionExtensions
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{
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public static Exception SetStackTrace(this Exception target, StackTrace stack) => _setStackTrace(target, stack);
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private static readonly Func<Exception, StackTrace, Exception> _setStackTrace = _createStackTraceMethod();
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private static Func<Exception, StackTrace, Exception> _createStackTraceMethod()
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{
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var target = Expression.Parameter(typeof(Exception));
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var stack = Expression.Parameter(typeof(StackTrace));
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var traceFormatType = typeof(StackTrace).GetNestedType("TraceFormat", BindingFlags.NonPublic);
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var toString = typeof(StackTrace).GetMethod("ToString", BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { traceFormatType }, null);
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var normalTraceFormat = Enum.GetValues(traceFormatType!).GetValue(0);
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var stackTraceString = Expression.Call(stack, toString!, Expression.Constant(normalTraceFormat, traceFormatType));
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var stackTraceStringField = typeof(Exception).GetField("_stackTraceString", BindingFlags.NonPublic | BindingFlags.Instance);
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var assign = Expression.Assign(Expression.Field(target, stackTraceStringField!), stackTraceString);
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return Expression.Lambda<Func<Exception, StackTrace, Exception>>(Expression.Block(assign, target), target, stack).Compile();
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}
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}
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