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Merge pull request #672 from CosmosOS/nre_message

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Improve the NullReferenceException message
This commit is contained in:
jp2masa 2017-10-04 20:24:51 +01:00 committed by GitHub
commit 348134f97b
1 changed files with 21 additions and 0 deletions
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21
source/Cosmos.VS.DebugEngine/AD7.Impl/AD7Process.cs
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@ -379,6 +379,27 @@ namespace Cosmos.VS.DebugEngine.AD7.Impl
private void DbgCmdNullReferenceOccurred(uint lastEIPAddress)
{
if (mDebugInfo.TryGetValue(BuildPropertyNames.DebugModeString, out var xDebugMode))
{
if (xDebugMode == "Source")
{
try
{
var xMethod = mDebugInfoDb.GetMethod(lastEIPAddress);
var xLabel = mDebugInfoDb.GetLabels(lastEIPAddress)[0];
var xMethodIlOp = mDebugInfoDb.TryGetFirstMethodIlOpByLabelName(xLabel.Remove(xLabel.LastIndexOf('.'))).IlOffset;
var xSequencePoints = mDebugInfoDb.GetSequencePoints(mDebugInfoDb.GetAssemblyFileById(xMethod.AssemblyFileID).Pathname, xMethod.MethodToken);
var xLine = xSequencePoints.Where(q => q.Offset <= xMethodIlOp).Last().LineStart;
AD7Util.MessageBox($"NullReferenceException occurred in '{xMethod.LabelCall}'{Environment.NewLine}Document: {mDebugInfoDb.GetDocumentById(xMethod.DocumentID)}{Environment.NewLine}Line: {xLine}{Environment.NewLine}Address: 0x{lastEIPAddress.ToString("X8")}");
return;
}
catch (InvalidOperationException)
{
}
}
}
AD7Util.MessageBox(String.Format("NullReferenceException occurred at address 0x{0:X8}! Halting now.", lastEIPAddress));
}