如何告诉编译器忽略堆栈跟踪中的方法？

发布于 2024-10-14 14:21:33 字数 815 浏览 1 评论 0原文

是否有任何属性可以应用于样板方法，以便此类方法不会出现在堆栈跟踪中？我有很多这样的东西，在某些情况下，它们有好几层深。这只是乱七八糟的事情。

示例代码：

class Program
{
    public static void ThrowMe()
    {
        throw new NotImplementedException();
    }

    public static void HideMe()
    {
        ThrowMe();
    }
    static void Main(string[] args)
    {
        try
        {
            HideMe();
        }
        catch (Exception e)
        {

        }
    }
}

这会抛出此堆栈跟踪：

位于 C:\Projects\XXX\Testing Sandbox\ConsoleTesting\Program.cs 中的 Spork.Program.ThrowMe()：第 58 行
位于 C:\Projects\XXX\Testing Sandbox\ConsoleTesting 中的 Spork.Program.HideMe()\Program.cs：第 64 行
位于 C:\Projects\XXX\Testing Sandbox\ConsoleTesting\Program.cs 中的 Spork.Program.Main(String[] args)：第 70 行

原文

Are there any attributes I can apply to boilerplate methods so that such methods do not appear in stack traces? I've got a lot of them and in some cases they are several levels deep. It's just cluttering things.

Example code:

class Program
{
    public static void ThrowMe()
    {
        throw new NotImplementedException();
    }

    public static void HideMe()
    {
        ThrowMe();
    }
    static void Main(string[] args)
    {
        try
        {
            HideMe();
        }
        catch (Exception e)
        {

        }
    }
}

This throws this stack trace:

at Spork.Program.ThrowMe() in C:\Projects\XXX\Testing Sandbox\ConsoleTesting\Program.cs:line 58
at Spork.Program.HideMe() in C:\Projects\XXX\Testing Sandbox\ConsoleTesting\Program.cs:line 64
at Spork.Program.Main(String[] args) in C:\Projects\XXX\Testing Sandbox\ConsoleTesting\Program.cs:line 70

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酒绊 2024-10-21 14:21:33

将 Console.WriteLine(e) 放入 catch 块中。切换到发布版本并按 Ctrl+F5。您将看到以下内容：

System.NotImplementedException: The method or operation is not implemented.
   at ConsoleApplication1.Program.ThrowMe() in C:\Users\hpassant\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs:line 9
   at ConsoleApplication1.Program.Main(String[] args) in C:\Users\hpassant\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs:line 17

请注意，HideMe() 方法在堆栈跟踪中不可见。任务完成了。

方法调用未显示在跟踪中，因为 JIT 优化器内联了该方法：这是在堆栈跟踪中隐藏方法的唯一方法。

这不是你可以很好控制的东西，该方法必须“小”并且本身不抛出任何异常。否则，这通常被认为是一个问题，而不是一个功能。很难弄清楚如何从 A 到 B 进行编码。

Put Console.WriteLine(e) in the catch block. Switch to the release build and press Ctrl+F5. You'll see this:

System.NotImplementedException: The method or operation is not implemented.
   at ConsoleApplication1.Program.ThrowMe() in C:\Users\hpassant\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs:line 9
   at ConsoleApplication1.Program.Main(String[] args) in C:\Users\hpassant\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs:line 17

Note that the HideMe() method is not visible in the stack trace. Mission accomplished.

The method call was not shown in the trace because the JIT optimizer inlined the method: this is the only way to hide methods in the stack trace.

It is not something you can control well, the method has to be 'small' and not throw any exception itself. This is otherwise normally considered a problem, not a feature. Hard to figure out how to code got from A to B.

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