public static IParameterSymbol GetTargetSymbolForAnnotation(this IParameterSymbol parameterSymbol)
{
var baseClass = parameterSymbol?.GetContractClassFor();
if (baseClass == null)
{
return(parameterSymbol);
}
var outerMethodSymbol = parameterSymbol.ContainingSymbol as IMethodSymbol;
if (outerMethodSymbol == null)
{
return(parameterSymbol);
}
var baseMethod = baseClass.FindDeclaringMemberOnBaseClass(outerMethodSymbol);
if (baseMethod == null)
{
return(parameterSymbol);
}
return(baseMethod.Parameters[outerMethodSymbol.Parameters.IndexOf(parameterSymbol)]);
}
