82 lines
2.2 KiB
C#
82 lines
2.2 KiB
C#
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using System.Collections.Generic;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace System.Diagnostics
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{
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// Need our own stackframe class since the shared version has its own fields
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[StructLayout (LayoutKind.Sequential)]
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class MonoStackFrame
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{
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#region Keep in sync with object-internals.h
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internal int ilOffset;
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internal int nativeOffset;
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// Unused
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internal long methodAddress;
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// Unused
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internal uint methodIndex;
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internal MethodBase methodBase;
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internal string fileName;
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internal int lineNumber;
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internal int columnNumber;
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// Unused
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internal string internalMethodName;
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#endregion
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internal bool isLastFrameFromForeignException;
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}
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partial class StackTrace
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{
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern MonoStackFrame[] get_trace (Exception e, int skipFrames, bool needFileInfo);
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[MethodImplAttribute (MethodImplOptions.NoInlining)]
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void InitializeForCurrentThread (int skipFrames, bool needFileInfo)
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{
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skipFrames += 2; // Current method + parent ctor
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StackFrame sf;
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var frames = new List<StackFrame> ();
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while (skipFrames >= 0) {
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sf = new StackFrame (skipFrames, needFileInfo);
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if (sf.GetMethod () == null) {
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break;
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}
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frames.Add (sf);
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skipFrames++;
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}
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_stackFrames = frames.ToArray ();
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_numOfFrames = _stackFrames.Length;
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}
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void InitializeForException (Exception e, int skipFrames, bool needFileInfo)
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{
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var frames = get_trace (e, skipFrames, needFileInfo);
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_numOfFrames = frames.Length;
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int foreignFrames;
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MonoStackFrame[] foreignExceptions = e.foreignExceptionsFrames;
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if (foreignExceptions != null) {
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foreignFrames = foreignExceptions.Length;
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_numOfFrames += foreignFrames;
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_stackFrames = new StackFrame [_numOfFrames];
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for (int i = 0; i < foreignExceptions.Length; ++i) {
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_stackFrames [i] = new StackFrame (foreignExceptions [i], needFileInfo);
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}
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} else {
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_stackFrames = new StackFrame [_numOfFrames];
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foreignFrames = 0;
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}
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for (int i = 0; i < frames.Length; ++i) {
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_stackFrames [foreignFrames + i] = new StackFrame (frames [i], needFileInfo);
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}
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}
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}
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}
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