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Viewing changes to src/core/Mono.Debugging/Mono.Debugging.Client/ExceptionInfo.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2010-09-10 16:54:48 UTC
  • mfrom: (19.1.1 experimental)
  • Revision ID: james.westby@ubuntu.com-20100910165448-0rybfk25zd4o9431
Tags: 2.4+dfsg-2
* debian/patches/inject_Mono.Debugger.Soft_source.patch,
  debian/patches/use_system_Mono.Debugger.Soft.patch,
  debian/control:
  + Build against system Soft Debugger, since we now have a new
    enough Mono to match MonoDevelop's required API

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src/core/Mono.Debugging/Mono.Debugging.Client/ExceptionInfo.cs
 
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// 
 
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// ExceptionInfo.cs
 
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//  
 
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// Author:
 
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//       Lluis Sanchez Gual <lluis@novell.com>
 
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// 
 
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// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System;
 
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using System.Collections.Generic;
 
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namespace Mono.Debugging.Client
 
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{
 
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        [Serializable]
 
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        public class ExceptionInfo
 
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        {
 
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                ObjectValue exception;
 
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                [NonSerialized]
 
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                ExceptionStackFrame[] frames;
 
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                [NonSerialized]
 
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                ExceptionInfo innerException;
 
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                /// <summary>
 
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                /// The provided value can have the following members:
 
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                /// Type of the object: type of the exception
 
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                /// Message: Message of the exception
 
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                /// Instance: Raw instance of the exception
 
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                /// StackTrace: an array of frames. Each frame must have:
 
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                ///     Value of the object: display text of the frame
 
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                ///     File: name of the file
 
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                ///     Line: line
 
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                ///     Col: column
 
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                /// InnerException: inner exception, following the same format described above.
 
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                /// </summary>
 
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                public ExceptionInfo (ObjectValue exception)
 
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                {
 
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                        this.exception = exception;
 
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                        if (exception.IsEvaluating || exception.IsEvaluatingGroup)
 
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                                exception.ValueChanged += HandleExceptionValueChanged;
 
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                }
 
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                void HandleExceptionValueChanged (object sender, EventArgs e)
 
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                {
 
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                        frames = null;
 
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                        if (exception.IsEvaluatingGroup)
 
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                                exception = exception.GetArrayItem (0);
 
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                        NotifyChanged ();
 
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                }
 
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                void NotifyChanged ()
 
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                {
 
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                        if (Changed != null)
 
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                                Changed (this, EventArgs.Empty);
 
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                }
 
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                public string Type {
 
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                        get { return exception.TypeName; }
 
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                }
 
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                public string Message {
 
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                        get {
 
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                                ObjectValue val = exception.GetChild ("Message");
 
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                                return val != null ? val.Value : null;
 
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                        }
 
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                }
 
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                public ObjectValue Instance {
 
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                        get {
 
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                                return exception.GetChild ("Instance");
 
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                        }
 
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                }
 
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                public ExceptionStackFrame[] StackTrace {
 
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                        get {
 
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                                if (frames != null)
 
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                                        return frames;
 
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                                ObjectValue stackTrace = exception.GetChild ("StackTrace");
 
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                                if (stackTrace == null)
 
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                                        return frames = new ExceptionStackFrame [0];
 
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                                if (stackTrace.IsEvaluating) {
 
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                                        frames = new ExceptionStackFrame [0];
 
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                                        stackTrace.ValueChanged += HandleExceptionValueChanged;
 
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                                        return frames;
 
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                                }
 
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                                List<ExceptionStackFrame> list = new List<ExceptionStackFrame> ();
 
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                                foreach (ObjectValue val in stackTrace.GetAllChildren ())
 
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                                        list.Add (new ExceptionStackFrame (val));
 
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                                frames = list.ToArray ();
 
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                                return frames;
 
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                        }
 
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                }
 
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                public ExceptionInfo InnerException {
 
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                        get {
 
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                                if (innerException == null) {
 
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                                        ObjectValue innerVal = exception.GetChild ("InnerException");
 
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                                        if (innerVal == null || innerVal.IsError || innerVal.IsUnknown)
 
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                                                return null;
 
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                                        if (innerVal.IsEvaluating) {
 
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                                                innerVal.ValueChanged += delegate { NotifyChanged (); };
 
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                                                return null;
 
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                                        }
 
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                                        innerException = new ExceptionInfo (innerVal);
 
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                                        innerException.Changed += delegate {
 
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                                                NotifyChanged ();
 
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                                        };
 
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                                }
 
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                                return innerException;
 
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                        }
 
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                }
 
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                public event EventHandler Changed;
 
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                internal void ConnectCallback (StackFrame parentFrame)
 
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                {
 
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                        ObjectValue.ConnectCallbacks (parentFrame, exception);
 
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                }
 
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        }
 
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        public class ExceptionStackFrame
 
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        {
 
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                ObjectValue frame;
 
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                /// <summary>
 
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                /// The provided value must have a specific structure.
 
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                /// The Value property is the display text.
 
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                /// A child "File" member must be the name of the file.
 
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                /// A child "Line" member must be the line.
 
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                /// A child "Col" member must be the column.
 
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                /// </summary>
 
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                public ExceptionStackFrame (ObjectValue value)
 
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                {
 
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                        frame = value;
 
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                }
 
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                public string File {
 
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                        get {
 
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                                ObjectValue file = frame.GetChild ("File");
 
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                                if (file != null)
 
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                                        return file.Value;
 
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                                else
 
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                                        return null;
 
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                        }
 
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                }
 
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                public int Line {
 
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                        get {
 
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                                ObjectValue val = frame.GetChild ("Line");
 
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                                if (val != null)
 
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                                        return int.Parse (val.Value);
 
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                                else
 
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                                        return 0;
 
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                        }
 
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                }
 
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                public int Column {
 
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                        get {
 
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                                ObjectValue val = frame.GetChild ("Column");
 
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                                if (val != null)
 
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                                        return int.Parse (val.Value);
 
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                                else
 
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                                        return 0;
 
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                        }
 
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                }
 
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                public string DisplayText {
 
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                        get { return frame.Value; }
 
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                }
 
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        }
 
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}
 
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