private void EmitMethodArguments(Candidate found, ILGenerator il)
{
for (int i = 0; i < _arguments.Length; ++i)
{
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldc_I4, i);
il.Emit(OpCodes.Ldelem_Ref);
Type paramType = found.GetParameterType(i);
switch (found.ArgumentScores[i])
{
case PromotionScore:
il.Emit(OpCodes.Castclass, typeof(IConvertible));
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Callvirt, GetPromotionMethod(paramType));
break;
case ImplicitConversionScore:
EmitCastOrUnbox(il, GetArgumentType(i));
il.Emit(OpCodes.Call, found.GetArgumentConversion(i));
break;
default:
EmitCastOrUnbox(il, paramType);
break;
}
}
}
private object AdjustArgument(Candidate candidate, int argumentIndex, object argument)
{
switch (candidate.ArgumentScores[argumentIndex])
{
case PromotionScore:
return(PromoteNumericArgument(candidate.GetParameterType(argumentIndex), argument));
case ImplicitConversionScore:
return(candidate.GetArgumentConversion(argumentIndex).Invoke(null, new object[] { argument }));
}
return(argument);
}
