public ForeachBuilder(ActionSet actionSet, IWorkshopTree array, bool recursive = false)
{
ActionSet = actionSet;
IndexStore = actionSet.VarCollection.Assign("foreachIndex,", actionSet.IsGlobal, !recursive);
Recursive = recursive;
if (recursive)
{
RecursiveIndexReference recursiveStore = new RecursiveIndexReference(IndexStore);
IndexStore = recursiveStore;
actionSet.InitialSet().AddAction(recursiveStore.Reset());
actionSet.AddAction(recursiveStore.Push(0));
actionSet.ReturnHandler.AdditionalPopOnReturn.Add(recursiveStore);
}
else
{
actionSet.AddAction(IndexStore.SetVariable(0));
}
Array = array;
Condition = Element.Compare(IndexStore.GetVariable(), Operator.LessThan, Element.CountOf(Array));
Index = (Element)IndexStore.GetVariable();
IndexValue = Element.ValueInArray(Array, IndexStore.GetVariable());
actionSet.AddAction(Element.While(Condition));
}
public GettableAssignerResult GetResult(GettableAssignerValueInfo info)
{
var inline = _attributes.StoreType == StoreType.None || info.Inline;
// Get the initial value.
IWorkshopTree initialValue = Element.Num(0);
bool hasDefaultValue = true;
// Set the initial value to the override if it exists.
if (info.InitialValueOverride != null)
{
initialValue = info.InitialValueOverride;
}
// Otherwise, use the var's initial value.
else if (_attributes.DefaultValue != null)
{
initialValue = _attributes.DefaultValue.Parse(info.ActionSet);
}
// No default value
else
{
hasDefaultValue = false;
}
// Inline
if (inline)
{
return(new GettableAssignerResult(new WorkshopElementReference(initialValue), initialValue));
}
// Assign the index reference
var value = info.IndexReferenceCreator.Create(_attributes);
if (info.IsRecursive)
{
value = new RecursiveIndexReference(value);
}
// Set the initial value.
if (info.SetInitialValue == SetInitialValue.SetAndFallbackTo0 || (info.SetInitialValue == SetInitialValue.SetIfExists && hasDefaultValue))
{
if (value is RecursiveIndexReference recursive)
{
info.ActionSet.InitialSet().AddAction(recursive.Reset());
info.ActionSet.AddAction(recursive.Push((Element)initialValue));
}
else
{
info.ActionSet.AddAction(value.SetVariable((Element)initialValue));
}
}
return(new GettableAssignerResult(value, initialValue));
}
public IGettable Add(VarCollection varCollection, Var var, bool isGlobal, IWorkshopTree referenceValue, bool recursive = false)
{
if (varCollection == null)
{
throw new ArgumentNullException(nameof(varCollection));
}
if (var == null)
{
throw new ArgumentNullException(nameof(var));
}
if (references.ContainsKey(var))
{
throw new Exception(var.Name + " was already added into the variable index assigner.");
}
IGettable assigned;
// A gettable/settable variable
if (var.Settable())
{
assigned = varCollection.Assign(var, isGlobal);
if (recursive)
{
assigned = new RecursiveIndexReference((IndexReference)assigned);
}
references.Add(var, assigned);
}
// Element reference
else if (var.VariableType == VariableType.ElementReference)
{
if (referenceValue == null)
{
throw new ArgumentNullException(nameof(referenceValue));
}
assigned = new WorkshopElementReference(referenceValue);
references.Add(var, assigned);
}
else
{
throw new NotImplementedException();
}
return(assigned);
}
public IGettable Add(VarCollection varCollection, IIndexReferencer var, bool isGlobal, IWorkshopTree referenceValue, bool recursive = false)
{
if (varCollection == null)
{
throw new ArgumentNullException(nameof(varCollection));
}
if (var == null)
{
throw new ArgumentNullException(nameof(var));
}
CheckIfAdded(var);
IGettable assigned;
// A gettable/settable variable
if (var.Settable())
{
assigned = varCollection.Assign(var, isGlobal);
if (recursive || var.Recursive)
{
assigned = new RecursiveIndexReference((IndexReference)assigned);
}
references.Add(var, assigned);
}
// Element reference
else if (var.VariableType == VariableType.ElementReference)
{
if (referenceValue == null)
{
throw new ArgumentNullException(nameof(referenceValue));
}
assigned = new WorkshopElementReference(referenceValue);
references.Add(var, assigned);
}
else
{
throw new NotImplementedException();
}
return(assigned);
}
public IndexReference AddIndexReference(VarCollection varCollection, Var var, bool isGlobal, bool recursive = false)
{
if (varCollection == null)
{
throw new ArgumentNullException(nameof(varCollection));
}
if (var == null)
{
throw new ArgumentNullException(nameof(var));
}
CheckIfAdded(var);
IndexReference assigned = varCollection.Assign(var, isGlobal);
if (recursive)
{
assigned = new RecursiveIndexReference((IndexReference)assigned);
}
references.Add(var, assigned);
return(assigned);
}
public void Add(VarCollection varCollection, Var var, bool isGlobal, IWorkshopTree referenceValue, bool recursive = false)
{
if (varCollection == null)
{
throw new ArgumentNullException(nameof(varCollection));
}
if (var == null)
{
throw new ArgumentNullException(nameof(var));
}
// A gettable/settable variable
if (var.Settable())
{
var assigned = varCollection.Assign(var, isGlobal);
if (recursive)
{
assigned = new RecursiveIndexReference(assigned);
}
references.Add(var, assigned);
}
// Element reference
else if (var.VariableType == VariableType.ElementReference)
{
if (referenceValue == null)
{
throw new ArgumentNullException(nameof(referenceValue));
}
references.Add(var, new WorkshopElementReference(referenceValue));
}
else
{
throw new NotImplementedException();
}
}
