public HoistedParameter (HoistedParameter hp, string name)
: base (hp.storey, name, hp.parameter.Type)
{
this.parameter = hp.parameter;
}
public void CaptureParameter (ResolveContext ec, ParametersBlock.ParameterInfo parameterInfo, ParameterReference parameterReference)
{
if (!(this is StateMachine)) {
ec.CurrentBlock.Explicit.HasCapturedVariable = true;
}
var hoisted = parameterInfo.Parameter.HoistedVariant;
if (parameterInfo.Block.StateMachine != null) {
//
// Another storey in same block exists but state machine does not
// have parameter captured. We need to add it there as well to
// proxy parameter value correctly.
//
if (hoisted == null && parameterInfo.Block.StateMachine != this) {
var storey = parameterInfo.Block.StateMachine;
hoisted = new HoistedParameter (storey, parameterReference);
parameterInfo.Parameter.HoistedVariant = hoisted;
if (storey.hoisted_params == null)
storey.hoisted_params = new List<HoistedParameter> ();
storey.hoisted_params.Add (hoisted);
}
//
// Lift captured parameter from value type storey to reference type one. Otherwise
// any side effects would be done on a copy
//
if (hoisted != null && hoisted.Storey != this && hoisted.Storey is StateMachine) {
if (hoisted_local_params == null)
hoisted_local_params = new List<HoistedParameter> ();
hoisted_local_params.Add (hoisted);
hoisted = null;
}
}
if (hoisted == null) {
hoisted = new HoistedParameter (this, parameterReference);
parameterInfo.Parameter.HoistedVariant = hoisted;
if (hoisted_params == null)
hoisted_params = new List<HoistedParameter> ();
hoisted_params.Add (hoisted);
}
//
// Register link between current block and parameter storey. It will
// be used when setting up storey definition to deploy storey reference
// when parameters are used from multiple blocks
//
if (ec.CurrentBlock.Explicit != parameterInfo.Block) {
hoisted.Storey.AddReferenceFromChildrenBlock (ec.CurrentBlock.Explicit);
}
}