// Sets up single-instance methods for methods with the 'rule' attribute.
public void SetupSubroutine()
{
if (subroutineInfo != null || !IsSubroutine)
{
return;
}
// Setup the subroutine element.
Subroutine subroutine = parseInfo.TranslateInfo.SubroutineCollection.NewSubroutine(Name);
// Create the rule.
TranslateRule subroutineRule = new TranslateRule(parseInfo.TranslateInfo, subroutine, SubroutineName, subroutineDefaultGlobal);
// Setup the return handler.
ReturnHandler returnHandler = new ReturnHandler(subroutineRule.ActionSet, Name, multiplePaths || Attributes.Virtual);
ActionSet actionSet = subroutineRule.ActionSet.New(returnHandler).New(subroutineRule.ActionSet.IndexAssigner.CreateContained());
// Get the variables that will be used to store the parameters.
IndexReference[] parameterStores = new IndexReference[ParameterVars.Length];
for (int i = 0; i < ParameterVars.Length; i++)
{
// Create the workshop variable the parameter will be stored as.
IndexReference indexResult = actionSet.IndexAssigner.AddIndexReference(actionSet.VarCollection, ParameterVars[i], subroutineDefaultGlobal, Attributes.Recursive);
parameterStores[i] = indexResult;
// Assign virtual variables to the index reference.
foreach (Var virtualParameterOption in VirtualVarGroup(i))
{
actionSet.IndexAssigner.Add(virtualParameterOption, indexResult);
}
}
// If the subroutine is an object function inside a class, create a variable to store the class object.
IndexReference objectStore = null;
if (Attributes.ContainingType != null && !Static)
{
objectStore = actionSet.VarCollection.Assign("_" + Name + "_subroutineStore", true, !Attributes.Recursive);
// Set the objectStore as an empty array if the subroutine is recursive.
if (Attributes.Recursive)
{
actionSet.InitialSet().AddAction(objectStore.SetVariable(new V_EmptyArray()));
Attributes.ContainingType.AddObjectVariablesToAssigner(Element.Part <V_LastOf>(objectStore.GetVariable()), actionSet.IndexAssigner);
actionSet = actionSet.New(Element.Part <V_LastOf>(objectStore.GetVariable())).PackThis();
}
else
{
Attributes.ContainingType.AddObjectVariablesToAssigner(objectStore.GetVariable(), actionSet.IndexAssigner);
actionSet = actionSet.New(objectStore.GetVariable()).PackThis();
}
}
// Set the subroutine info.
subroutineInfo = new SubroutineInfo(subroutine, returnHandler, parameterStores, objectStore);
MethodBuilder builder = new MethodBuilder(this, actionSet, returnHandler);
builder.BuilderSet = builder.BuilderSet.New(Attributes.Recursive);
builder.ParseInner();
// Apply returns.
returnHandler.ApplyReturnSkips();
// Pop object array and parameters if recursive.
if (Attributes.Recursive)
{
if (objectStore != null)
{
actionSet.AddAction(objectStore.ModifyVariable(Operation.RemoveFromArrayByIndex, Element.Part <V_CountOf>(objectStore.GetVariable()) - 1));
}
RecursiveStack.PopParameterStacks(actionSet, ParameterVars);
}
// Add the subroutine.
Rule translatedRule = subroutineRule.GetRule();
parseInfo.TranslateInfo.WorkshopRules.Add(translatedRule);
var codeLens = new ElementCountCodeLens(DefinedAt.range, parseInfo.TranslateInfo.OptimizeOutput);
parseInfo.Script.AddCodeLensRange(codeLens);
codeLens.RuleParsed(translatedRule);
}
// Parses the method.
override public IWorkshopTree Parse(ActionSet actionSet, MethodCall methodCall)
{
actionSet = actionSet.New(actionSet.IndexAssigner.CreateContained());
return(MethodBuilder.Call(this, methodCall, actionSet));
}