exception.cs

SharpDevelop2.0.0 c#开发免费工具

// <file>
//     <copyright see="prj:///doc/copyright.txt"/>
//     <license see="prj:///doc/license.txt"/>
//     <owner name="David Srbecký" email="[e-mail]"/>
//     <version>$Revision: 1153 $</version>
// </file>

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Threading;

using Debugger.Wrappers.CorDebug;

namespace Debugger
{	
	public class Exception: RemotingObjectBase
	{
		NDebugger         debugger;
		Thread            thread;
		ICorDebugValue    corValue;
		Value             runtimeValue;
		ObjectValue       runtimeValueException;
		ExceptionType     exceptionType;
		SourcecodeSegment location;
		DateTime          creationTime;
		string            callstack;
		string            type;
		string            message;
		
		public NDebugger Debugger {
			get {
				return debugger;
			}
		}
		
		internal Exception(Thread thread)
		{
			creationTime = DateTime.Now;
			this.debugger = thread.Debugger;
			this.thread = thread;
			corValue = thread.CorThread.CurrentException;
			exceptionType = thread.CurrentExceptionType;
			runtimeValue = Value.CreateValue(debugger, corValue);
			runtimeValueException = runtimeValue as ObjectValue;
			if (runtimeValueException != null) {
				while (runtimeValueException.Type != "System.Exception") {
					if (runtimeValueException.HasBaseClass == false) {
						runtimeValueException = null;
						break;
					}
					runtimeValueException = runtimeValueException.BaseClass;
				}
				message = runtimeValueException["_message"].Value.AsString;
			}

			if (thread.LastFunctionWithLoadedSymbols != null) {
				location = thread.LastFunctionWithLoadedSymbols.NextStatement;
			}
			
			callstack = "";
			int callstackItems = 0;
			foreach(Function function in thread.Callstack) {
				if (callstackItems >= 100) {
					callstack += "...\n";
					break;
				}
				
				SourcecodeSegment loc = function.NextStatement;
				callstack += function.Name + "()";
				if (loc != null) {
					callstack += " - " + loc.SourceFullFilename + ":" + loc.StartLine + "," + loc.StartColumn;
				}
				callstack += "\n";
				callstackItems++;
			}
			
			type = runtimeValue.Type;
		}
		
		public string Type {
			get {
				return type;
			}
		}
		
		public string Message {
			get {
				return message;
			}
		}
		
		public string Callstack {
			get {
				return callstack;
			}
		}

		public ExceptionType ExceptionType{
			get {
				return exceptionType;
			}
		}

		public SourcecodeSegment Location {
			get {
				return location;
			}
		}

		public DateTime CreationTime {
			get {
				return creationTime;
			}
		}
	}
}