private ParameterDictionary <DependencyData> BuildConstructorParameters(Type implementationType,
ConstructorInfo constructor)
{
// NOTE: We used to use a LINQ query here (which is cleaner code), but we reverted back to using
// a foreach statement to clean up the stack trace, since this is a very common code path to
// show up in the stack trace and preventing showing up the Enumerable and Buffer`1 calls here
// makes it easier for developers (and maintainers) to read the stack trace.
var parameters = new ParameterDictionary <DependencyData>();
foreach (ParameterInfo parameter in constructor.GetParameters())
{
var consumer = new InjectionConsumerInfo(parameter);
Expression expression = this.GetPlaceHolderFor(parameter);
InstanceProducer producer = null;
if (expression == null)
{
producer = this.Container.Options.GetInstanceProducerFor(consumer);
expression = producer.BuildExpression();
}
parameters.Add(parameter, new DependencyData(parameter, expression, producer));
}
return(parameters);
}
