private List <Instruction> CreateTraceReturnWithExceptionLoggingInstructions(VariableDefinition exceptionValue)
{
var instructions = new List <Instruction>();
VariableDefinition paramNamesDef = null;
VariableDefinition paramValuesDef = null;
paramNamesDef = MoveNextParamNamesVariable;
paramValuesDef = MoveNextParamValuesVariable;
instructions.AddRange(InitArray(paramNamesDef, 1, _typeReferenceProvider.String));
instructions.AddRange(InitArray(paramValuesDef, 1, _typeReferenceProvider.Object));
instructions.AddRange(StoreValueReadByInstructionsInArray(paramNamesDef, 0, Instruction.Create(OpCodes.Ldstr, ExceptionMarker)));
instructions.AddRange(StoreVariableInObjectArray(paramValuesDef, 0, exceptionValue));
//build up Trace call
instructions.Add(Instruction.Create(OpCodes.Ldsfld, TypeWeaver.CreateLoggerStaticField(_typeReferenceProvider, _methodReferenceProvider, _generatedType)));
instructions.AddRange(LoadMethodNameOnStack());
//start ticks
instructions.Add(Instruction.Create(OpCodes.Ldarg_0));
instructions.Add(Instruction.Create(OpCodes.Ldfld, _tickFieldRef));
//end ticks
instructions.Add(Instruction.Create(OpCodes.Call, _methodReferenceProvider.GetTimestampReference()));
instructions.Add(Instruction.Create(OpCodes.Ldloc, paramNamesDef));
instructions.Add(Instruction.Create(OpCodes.Ldloc, paramValuesDef));
instructions.Add(Instruction.Create(OpCodes.Callvirt, _methodReferenceProvider.GetTraceLeaveReference()));
return(instructions);
}
private void ChangeStaticLogCallWithoutParameter(Instruction oldInstruction)
{
var instructions = new List <Instruction>();
var methodReference = (MethodReference)oldInstruction.Operand;
var methodReferenceInfo = new MethodReferenceInfo(methodReference);
instructions.Add(Instruction.Create(OpCodes.Ldsfld, TypeWeaver.CreateLoggerStaticField(_typeReferenceProvider, _methodReferenceProvider, _generatedType)));
if (!methodReferenceInfo.IsPropertyAccessor())
{
instructions.AddRange(LoadMethodNameOnStack());
}
instructions.Add(Instruction.Create(OpCodes.Callvirt, _methodReferenceProvider.GetInstanceLogMethod(methodReferenceInfo)));
_moveNextBody.Replace(oldInstruction, instructions);
}
private void ChangeStaticLogCallWithParameter(Instruction oldInstruction)
{
var instructions = new List <Instruction>();
var methodReference = (MethodReference)oldInstruction.Operand;
var methodReferenceInfo = new MethodReferenceInfo(methodReference);
if (methodReferenceInfo.IsPropertyAccessor() && methodReferenceInfo.IsSetter)
{
throw new Exception("Rewriting static property setters is not supported.");
}
var parameters = methodReference.Parameters;
//create variables to store parameters and push values into them
var variables = new VariableDefinition[parameters.Count];
for (int idx = 0; idx < parameters.Count; idx++)
{
variables[idx] = GetVariableDefinitionForType(parameters[idx].ParameterType, methodReference, _moveNextDefinition);
_moveNextBody.Variables.Add(variables[idx]);
}
//store in reverse order
for (int idx = parameters.Count - 1; idx >= 0; idx--)
{
instructions.Add(Instruction.Create(OpCodes.Stloc, variables[idx]));
}
//build-up instance call
instructions.Add(Instruction.Create(OpCodes.Ldsfld, TypeWeaver.CreateLoggerStaticField(_typeReferenceProvider, _methodReferenceProvider, _generatedType)));
instructions.AddRange(LoadMethodNameOnStack());
for (int idx = 0; idx < parameters.Count; idx++)
{
instructions.Add(Instruction.Create(OpCodes.Ldloc, variables[idx]));
}
instructions.Add(Instruction.Create(OpCodes.Callvirt, _methodReferenceProvider.GetInstanceLogMethod(methodReferenceInfo, parameters)));
_moveNextBody.Replace(oldInstruction, instructions);
}
private List <Instruction> CreateTraceReturnLoggingInstructions(VariableDefinition returnValueDef)
{
var instructions = new List <Instruction>();
VariableDefinition paramNamesDef = null;
VariableDefinition paramValuesDef = null;
bool hasReturnValue = HasReturnValue;
if (hasReturnValue)
{
//Get local variables for the arrays or declare them if they not exist
paramNamesDef = MoveNextParamNamesVariable;
paramValuesDef = MoveNextParamValuesVariable;
//init arrays
instructions.AddRange(InitArray(paramNamesDef, 1, _typeReferenceProvider.String));
instructions.AddRange(InitArray(paramValuesDef, 1, _typeReferenceProvider.Object));
instructions.AddRange(StoreValueReadByInstructionsInArray(paramNamesDef, 0, Instruction.Create(OpCodes.Ldnull)));
instructions.AddRange(StoreVariableInObjectArray(paramValuesDef, 0, returnValueDef));
}
//build up Trace call
instructions.Add(Instruction.Create(OpCodes.Ldsfld, TypeWeaver.CreateLoggerStaticField(_typeReferenceProvider, _methodReferenceProvider, _generatedType)));
instructions.AddRange(LoadMethodNameOnStack());
//start ticks
instructions.Add(Instruction.Create(OpCodes.Ldarg_0));
instructions.Add(Instruction.Create(OpCodes.Ldfld, _tickFieldRef));
//end ticks
instructions.Add(Instruction.Create(OpCodes.Call, _methodReferenceProvider.GetTimestampReference()));
instructions.Add(hasReturnValue ? Instruction.Create(OpCodes.Ldloc, paramNamesDef) : Instruction.Create(OpCodes.Ldnull));
instructions.Add(hasReturnValue ? Instruction.Create(OpCodes.Ldloc, paramValuesDef) : Instruction.Create(OpCodes.Ldnull));
instructions.Add(Instruction.Create(OpCodes.Callvirt, _methodReferenceProvider.GetTraceLeaveReference()));
return(instructions);
}