protected override Expression VisitConstructor(ConstructorCallSite callSite, ParameterExpression provider)
{
var parameters = callSite.ConstructorInfo.GetParameters();
return(Expression.New(
callSite.ConstructorInfo,
callSite.ParameterCallSites.Select((c, index) =>
Expression.Convert(VisitCallSite(c, provider), parameters[index].ParameterType))));
}
protected override Type VisitConstructor(ConstructorCallSite constructorCallSite, CallSiteValidatorState state)
{
Type result = null;
foreach (var parameterCallSite in constructorCallSite.ParameterCallSites)
{
var scoped = VisitCallSite(parameterCallSite, state);
if (result == null)
{
result = scoped;
}
}
return(result);
}
protected override object VisitConstructor(ConstructorCallSite constructorCallSite, ServiceProvider provider)
{
object[] parameterValues = new object[constructorCallSite.ParameterCallSites.Length];
for (var index = 0; index < parameterValues.Length; index++)
{
parameterValues[index] = VisitCallSite(constructorCallSite.ParameterCallSites[index], provider);
}
try {
return(constructorCallSite.ConstructorInfo.Invoke(parameterValues));
}
catch (Exception ex) when(ex.InnerException != null)
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
throw;
}
}
protected abstract TResult VisitConstructor(ConstructorCallSite constructorCallSite, TArgument argument);
