string IDkmLanguageInstructionDecoder.GetMethodName(DkmLanguageInstructionAddress languageInstructionAddress, DkmVariableInfoFlags argumentFlags)
{
try
{
// DkmVariableInfoFlags.FullNames was accepted by the old GetMethodName implementation,
// but it was ignored. Furthermore, it's not clear what FullNames would mean with respect
// to argument names in C# or Visual Basic. For consistency with the old behavior, we'll
// just ignore the flag as well.
Debug.Assert((argumentFlags & (DkmVariableInfoFlags.FullNames | DkmVariableInfoFlags.Names | DkmVariableInfoFlags.Types)) == argumentFlags,
$"Unexpected argumentFlags '{argumentFlags}'");
var instructionAddress = (DkmClrInstructionAddress)languageInstructionAddress.Address;
var compilation = _instructionDecoder.GetCompilation(instructionAddress.ModuleInstance);
var method = _instructionDecoder.GetMethod(compilation, instructionAddress);
var includeParameterTypes = argumentFlags.Includes(DkmVariableInfoFlags.Types);
var includeParameterNames = argumentFlags.Includes(DkmVariableInfoFlags.Names);
return(_instructionDecoder.GetName(method, includeParameterTypes, includeParameterNames));
}
catch (NotImplementedMetadataException)
{
return(languageInstructionAddress.GetMethodName(argumentFlags));
}
catch (Exception e) when(ExpressionEvaluatorFatalError.CrashIfFailFastEnabled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
private void GetNameWithGenericTypeArguments(
DkmWorkList workList,
DkmStackWalkFrame frame,
Action <TMethodSymbol> onSuccess,
Action <Exception> onFailure
)
{
// NOTE: We could always call GetClrGenericParameters, pass them to GetMethod and have that
// return a constructed method symbol, but it seems unwise to call GetClrGenericParameters
// for all frames (as this call requires a round-trip to the debuggee process).
var instructionAddress = (DkmClrInstructionAddress)frame.InstructionAddress;
var compilation = _instructionDecoder.GetCompilation(instructionAddress.ModuleInstance);
var method = _instructionDecoder.GetMethod(compilation, instructionAddress);
var typeParameters = _instructionDecoder.GetAllTypeParameters(method);
if (!typeParameters.IsEmpty)
{
frame.GetClrGenericParameters(
workList,
result =>
{
try
{
// DkmGetClrGenericParametersAsyncResult.ParameterTypeNames will throw if ErrorCode != 0.
var serializedTypeNames =
(result.ErrorCode == 0) ? result.ParameterTypeNames : null;
var typeArguments = _instructionDecoder.GetTypeSymbols(
compilation,
method,
serializedTypeNames
);
if (!typeArguments.IsEmpty)
{
method = _instructionDecoder.ConstructMethod(
method,
typeParameters,
typeArguments
);
}
onSuccess(method);
}
catch (Exception e)
{
onFailure(e);
}
}
);
}
else
{
onSuccess(method);
}
}
private void GetNameWithGenericTypeArguments(
DkmInspectionContext inspectionContext,
DkmWorkList workList,
DkmStackWalkFrame frame,
Action <TMethodSymbol> onSuccess,
Action <Exception> onFailure)
{
// NOTE: We could always call GetClrGenericParameters, pass them to GetMethod and have that
// return a constructed method symbol, but it seems unwise to call GetClrGenericParameters
// for all frames (as this call requires a round-trip to the debuggee process).
var instructionAddress = (DkmClrInstructionAddress)frame.InstructionAddress;
var compilation = _instructionDecoder.GetCompilation(instructionAddress.ModuleInstance);
var method = _instructionDecoder.GetMethod(compilation, instructionAddress);
var typeParameters = _instructionDecoder.GetAllTypeParameters(method);
if (!typeParameters.IsEmpty)
{
frame.GetClrGenericParameters(
workList,
result =>
{
try
{
var typeArguments = _instructionDecoder.GetTypeSymbols(compilation, method, result.ParameterTypeNames);
if (!typeArguments.IsEmpty)
{
method = _instructionDecoder.ConstructMethod(method, typeParameters, typeArguments);
}
onSuccess(method);
}
catch (Exception e) when(ExpressionEvaluatorFatalError.ReportNonFatalException(e, DkmComponentManager.ReportCurrentNonFatalException))
{
onFailure(e);
}
});
}
else
{
onSuccess(method);
}
}