зеркало из https://github.com/mono/ikvm-fork.git
98 строки
2.6 KiB
C#
98 строки
2.6 KiB
C#
/*
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Copyright (C) 2002 Jeroen Frijters
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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using System;
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using System.Reflection;
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using System.Diagnostics;
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using System.Text;
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using System.Collections;
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using NetSystem = System;
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namespace NativeCode.java.lang
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{
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public class ExceptionHelper
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{
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public static bool IsNative(MethodBase m)
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{
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if(m.IsDefined(typeof(ModifiersAttribute), false))
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{
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object[] methodFlagAttribs = m.GetCustomAttributes(typeof(ModifiersAttribute), false);
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if(methodFlagAttribs.Length == 1)
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{
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ModifiersAttribute modifiersAttrib = (ModifiersAttribute)methodFlagAttribs[0];
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if((modifiersAttrib.Modifiers & Modifiers.Native) != 0)
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{
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return true;
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}
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}
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}
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return false;
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}
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public static string getClassNameFromType(Type type)
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{
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return TypeWrapper.GetNameFromType(type);
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}
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}
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}
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class ExceptionHelper
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{
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static MethodInfo mapExceptionFastMethod;
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static MethodInfo printStackTraceMethod;
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static ExceptionHelper()
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{
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TypeWrapper tw = ClassLoaderWrapper.LoadClassCritical("java.lang.ExceptionHelper");
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tw.Finish();
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Type exceptionHelper = tw.TypeAsTBD;
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mapExceptionFastMethod = exceptionHelper.GetMethod("MapExceptionFast");
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printStackTraceMethod = exceptionHelper.GetMethod("printStackTrace", new Type[] { typeof(Exception) });
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}
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internal static void printStackTrace(Exception x)
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{
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try
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{
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printStackTraceMethod.Invoke(null, new object[] { x });
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}
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catch(TargetInvocationException t)
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{
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throw t.InnerException;
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}
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}
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// HACK this is used in ClassFile.cs and MemberWrapper.cs
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internal static Exception MapExceptionFast(Exception x)
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{
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try
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{
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return (Exception)mapExceptionFastMethod.Invoke(null, new object[] { x });
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}
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catch(TargetInvocationException t)
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{
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throw t.InnerException;
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}
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}
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}
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