private void AddSeqPoint(SequencePoint currentSeqPoint, LineNumberWriter lineNumberWriter)
{
if (currentSeqPoint != null)
{
if (fileName == null && currentSeqPoint.Document != null)
{
var url = currentSeqPoint.Document.Url;
if (url != null)
{
try
{
fileName = new FileInfo(url).Name;
}
catch
{
// for mono
}
}
}
if (currentSeqPoint.StartLine == 0xFeeFee && currentSeqPoint.EndLine == 0xFeeFee)
{
if (lineNumberWriter.LineNo > 0)
{
lineNumberWriter.AddMapping(currentSeqPoint.Offset, -1);
}
}
else
{
if (lineNumberWriter.LineNo != currentSeqPoint.StartLine)
{
lineNumberWriter.AddMapping(currentSeqPoint.Offset, currentSeqPoint.StartLine);
}
}
}
}
public void PreMethodBodyRepack(MethodBody body, MethodDefinition parent)
{
if (!enabled)
return;
Reset();
if (!parent.CustomAttributes.Any(x => x.Constructor.DeclaringType.Name == "LineNumberTableAttribute"))
{
lineNumberWriter = new LineNumberWriter(body.Instructions.Count / 4);
}
}
public void PreMethodBodyRepack(MethodBody body, MethodDefinition parent)
{
if (!enabled)
{
return;
}
Reset();
if (!parent.CustomAttributes.Any(x => x.Constructor.DeclaringType.Name == "LineNumberTableAttribute"))
{
lineNumberWriter = new LineNumberWriter(body.Instructions.Count / 4);
}
}
private void PostMethodBodyRepack(MethodDefinition parent, LineNumberWriter lineNumberWriter)
{
if (lineNumberWriter.Count > 0)
{
CustomAttribute ca;
if (lineNumberWriter.Count == 1)
{
ca =
new CustomAttribute(lineNumberTableAttributeConstructor1)
{
ConstructorArguments = { new CustomAttributeArgument(TargetAssemblyMainModule.TypeSystem.UInt16, (ushort)lineNumberWriter.LineNo) }
};
}
else
{
ca =
new CustomAttribute(lineNumberTableAttributeConstructor2)
{
ConstructorArguments = { new CustomAttributeArgument(new ArrayType(TargetAssemblyMainModule.TypeSystem.Byte), lineNumberWriter.ToArray().Select(b => new CustomAttributeArgument(TargetAssemblyMainModule.TypeSystem.Byte, b)).ToArray()) }
};
}
parent.CustomAttributes.Add(ca);
if (fileName != null)
{
var type = parent.DeclaringType;
var exist = type.CustomAttributes.FirstOrDefault(x => x.Constructor.DeclaringType.Name == "SourceFileAttribute");
if (exist == null)
{
// put the filename on the type first
type.CustomAttributes.Add(new CustomAttribute(sourceFileAttributeConstructor)
{
ConstructorArguments = { new CustomAttributeArgument(TargetAssemblyMainModule.TypeSystem.String, fileName) }
});
}
else if (fileName != (string)exist.ConstructorArguments[0].Value)
{
// if already specified on the type, but different (e.g. for partial classes), put the attribute on the method.
// Note: attribute isn't allowed for Methods, but that restriction doesn't apply to IL generation (or runtime use)
parent.CustomAttributes.Add(new CustomAttribute(sourceFileAttributeConstructor)
{
ConstructorArguments = { new CustomAttributeArgument(TargetAssemblyMainModule.TypeSystem.String, fileName) }
});
}
}
}
}
public void PreMethodBodyRepack(MethodBody body, MethodDefinition parent)
{
if (!enabled || !parent.DebugInformation.HasSequencePoints)
{
return;
}
Reset();
if (!parent.CustomAttributes.Any(x => x.Constructor.DeclaringType.Name == "LineNumberTableAttribute"))
{
var lineNumberWriter = new LineNumberWriter(body.Instructions.Count / 4);
foreach (var sp in parent.DebugInformation.SequencePoints)
{
AddSeqPoint(sp, lineNumberWriter);
}
PostMethodBodyRepack(parent, lineNumberWriter);
}
}
public void Reset()
{
lineNumberWriter = null;
fileName = null;
}
public void Reset()
{
lineNumberWriter = null;
fileName = null;
}