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//
// ExceptionInfoSource.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Mono.Debugging.Client;
using Mono.Debugging.Backend;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace Mono.Debugging.Evaluation
{
public class ExceptionInfoSource
{
ValueReference exception;
EvaluationContext ctx;
public ExceptionInfoSource (EvaluationContext ctx, ValueReference exception)
{
this.exception = exception;
this.ctx = ctx;
}
public ValueReference Exception {
get { return this.exception; }
}
public ObjectValue CreateObjectValue (bool withTimeout, EvaluationOptions options)
{
string type = ctx.Adapter.GetTypeName (ctx, exception.Type);
ObjectValue excInstance = exception.CreateObjectValue (withTimeout, options);
excInstance.Name = "Instance";
ObjectValue messageValue = null;
// Get the message
if (withTimeout) {
messageValue = ctx.Adapter.CreateObjectValueAsync ("Message", ObjectValueFlags.None, delegate {
ValueReference mref = exception.GetChild ("Message", options);
if (mref != null) {
string val = (string) mref.ObjectValue;
return ObjectValue.CreatePrimitive (null, new ObjectPath ("Message"), "System.String", new EvaluationResult (val), ObjectValueFlags.Literal);
}
else
return ObjectValue.CreateUnknown ("Message");
});
} else {
ValueReference mref = exception.GetChild ("Message", options);
if (mref != null) {
string val = (string) mref.ObjectValue;
messageValue = ObjectValue.CreatePrimitive (null, new ObjectPath ("Message"), "System.String", new EvaluationResult (val), ObjectValueFlags.Literal);
}
}
if (messageValue == null)
messageValue = ObjectValue.CreateUnknown ("Message");
messageValue.Name = "Message";
// Inner exception
ObjectValue childExceptionValue = null;
if (withTimeout) {
childExceptionValue = ctx.Adapter.CreateObjectValueAsync ("InnerException", ObjectValueFlags.None, delegate {
ValueReference inner = exception.GetChild ("InnerException", options);
if (inner != null && !ctx.Adapter.IsNull (ctx, inner.Value)) {
//Console.WriteLine ("pp got child:" + type);
ExceptionInfoSource innerSource = new ExceptionInfoSource (ctx, inner);
ObjectValue res = innerSource.CreateObjectValue (false, options);
return res;
}
else
return ObjectValue.CreateUnknown ("InnerException");
});
} else {
ValueReference inner = exception.GetChild ("InnerException", options);
if (inner != null && !ctx.Adapter.IsNull (ctx, inner.Value)) {
//Console.WriteLine ("pp got child:" + type);
ExceptionInfoSource innerSource = new ExceptionInfoSource (ctx, inner);
childExceptionValue = innerSource.CreateObjectValue (false, options);
childExceptionValue.Name = "InnerException";
}
}
if (childExceptionValue == null)
childExceptionValue = ObjectValue.CreateUnknown ("InnerException");
// Stack trace
ObjectValue stackTraceValue;
if (withTimeout) {
stackTraceValue = ctx.Adapter.CreateObjectValueAsync ("StackTrace", ObjectValueFlags.None, delegate {
return GetStackTrace (options);
});
} else
stackTraceValue = GetStackTrace (options);
ObjectValue[] children = new ObjectValue [] { excInstance, messageValue, stackTraceValue, childExceptionValue };
return ObjectValue.CreateObject (null, new ObjectPath ("InnerException"), type, "", ObjectValueFlags.None, children);
}
ObjectValue GetStackTrace (EvaluationOptions options)
{
ValueReference st = exception.GetChild ("StackTrace", options);
if (st == null)
return ObjectValue.CreateUnknown ("StackTrace");
string trace = st.ObjectValue as string;
if (trace == null)
return ObjectValue.CreateUnknown ("StackTrace");
List<ObjectValue> frames = new List<ObjectValue> ();
var regex = new Regex ("at (.*) in (.*):(.*)");
foreach (string sframe in trace.Split ('\n')) {
string txt = sframe.Trim (' ', '\r','\n');
string file = "";
int line = 0;
int col = 0;
var match = regex.Match (sframe);
if (match.Success) {
txt = match.Groups [1].ToString ();
file = match.Groups [2].ToString ();
int.TryParse (match.Groups [3].ToString (), out line);
}
ObjectValue fileVal = ObjectValue.CreatePrimitive (null, new ObjectPath("File"), "", new EvaluationResult (file), ObjectValueFlags.None);
ObjectValue lineVal = ObjectValue.CreatePrimitive (null, new ObjectPath("Line"), "", new EvaluationResult (line.ToString ()), ObjectValueFlags.None);
ObjectValue colVal = ObjectValue.CreatePrimitive (null, new ObjectPath("Column"), "", new EvaluationResult (col.ToString ()), ObjectValueFlags.None);
ObjectValue[] children = new ObjectValue[] { fileVal, lineVal, colVal };
ObjectValue frame = ObjectValue.CreateObject (null, new ObjectPath (), "", new EvaluationResult (txt), ObjectValueFlags.None, children);
frames.Add (frame);
}
return ObjectValue.CreateArray (null, new ObjectPath ("StackTrace"), "", frames.Count,ObjectValueFlags.None, frames.ToArray ());
}
}
}
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