public bool TryResolveLocation (StackFrameData sfData, SeqPointInfo seqPointInfo)
{
if (!assembly.MainModule.HasSymbols)
return false;
TypeDefinition type = null;
string[] nested;
if (sfData.TypeFullName.IndexOf ('/') >= 0)
nested = sfData.TypeFullName.Split ('/');
else
nested = sfData.TypeFullName.Split ('+');
var types = assembly.MainModule.Types;
foreach (var ntype in nested) {
if (type == null) {
// Use namespace first time.
type = types.FirstOrDefault (t => t.FullName == ntype);
} else {
type = types.FirstOrDefault (t => t.Name == ntype);
}
if (type == null) {
logger.LogWarning ("Could not find type: {0}", ntype);
return false;
}
types = type.NestedTypes;
}
var parensStart = sfData.MethodSignature.IndexOf ('(');
var methodName = sfData.MethodSignature.Substring (0, parensStart).TrimEnd ();
var methodParameters = sfData.MethodSignature.Substring (parensStart);
var methods = type.Methods.Where (m => CompareName (m, methodName) && CompareParameters (m.Parameters, methodParameters)).ToArray ();
if (methods.Length == 0) {
logger.LogWarning ("Could not find method: {0}", methodName);
return false;
}
if (methods.Length > 1) {
logger.LogWarning ("Ambiguous match for method: {0}", sfData.MethodSignature);
return false;
}
var method = methods [0];
int ilOffset;
if (sfData.IsILOffset) {
ilOffset = sfData.Offset;
} else {
if (seqPointInfo == null)
return false;
ilOffset = seqPointInfo.GetILOffset (method.MetadataToken.ToInt32 (), sfData.MethodIndex, sfData.Offset);
}
if (ilOffset < 0)
return false;
if (!method.DebugInformation.HasSequencePoints)
return false;
SequencePoint prev = null;
foreach (var sp in method.DebugInformation.SequencePoints.OrderBy (l => l.Offset)) {
if (sp.Offset >= ilOffset) {
sfData.SetLocation (sp.Document.Url, sp.StartLine);
return true;
}
prev = sp;
}
if (prev != null) {
sfData.SetLocation (prev.Document.Url, prev.StartLine);
return true;
}
return false;
}