private void CreateDefaultConstructor(StructDefinition node)
{
// Get the structure.
Structure building = node.GetStructure();
// Check for an user defined constructor.
if (building.GetConstructor() != null)
{
return;
}
// Instance the building.
GenericPrototype contGenProto = building.GetGenericPrototype();
int templateArgs = contGenProto.GetPlaceHolderCount();
Structure buildingInstance = building;
if (templateArgs != 0)
{
IChelaType[] thisArgs = new IChelaType[templateArgs];
for (int i = 0; i < templateArgs; ++i)
{
thisArgs[i] = contGenProto.GetPlaceHolder(i);
}
buildingInstance = (Structure)building.InstanceGeneric(
new GenericInstance(contGenProto, thisArgs), currentModule);
}
// Create the default constructor function type.
List <IChelaType> arguments = new List <IChelaType> ();
arguments.Add(ReferenceType.Create(buildingInstance));
FunctionType ctorType = FunctionType.Create(ChelaType.GetVoidType(), arguments);
// Create the constructor method.
MemberFlags flags = MemberFlags.Public | MemberFlags.Constructor;
Method constructor = new Method(building.GetName(), flags, building);
constructor.SetFunctionType(ctorType);
// Store it.
building.AddFunction("<ctor>", constructor);
node.SetDefaultConstructor(constructor);
}
public override AstNode Visit(InterfaceDefinition node)
{
// Parse the generic signature.
GenericSignature genericSign = node.GetGenericSignature();
GenericPrototype genProto = GenericPrototype.Empty;
PseudoScope protoScope = null;
if (genericSign != null)
{
// Visit the generic signature.
genericSign.Accept(this);
// Connect the generic prototype.
genProto = genericSign.GetPrototype();
// Create the placeholders scope.
protoScope = new PseudoScope(currentScope, genProto);
node.SetGenericScope(protoScope);
}
// Prevent redefinition.
ScopeMember old = currentContainer.FindType(node.GetName(), genProto);
if (old != null)
{
Error(node, "trying to redefine a class.");
}
// Create the structure
Interface iface = new Interface(node.GetName(), node.GetFlags(), currentContainer);
iface.SetGenericPrototype(genProto);
node.SetStructure(iface);
iface.Position = node.GetPosition();
// Register type maps.
string fullName = iface.GetFullName();
IChelaType alias;
if (typeMaps.TryGetValue(fullName, out alias))
{
currentModule.RegisterTypeMap(alias, ReferenceType.Create(iface));
}
// Register some important interfaces.
if (fullName == "Chela.Lang.NumberConstraint")
{
currentModule.RegisterNumberConstraint(iface);
}
else if (fullName == "Chela.Lang.IntegerConstraint")
{
currentModule.RegisterIntegerConstraint(iface);
}
else if (fullName == "Chela.Lang.FloatingPointConstraint")
{
currentModule.RegisterFloatingPointConstraint(iface);
}
else if (fullName == "Chela.Collections.IEnumerable")
{
currentModule.RegisterEnumerableIface(iface);
}
else if (fullName == "Chela.Collections.IEnumerator")
{
currentModule.RegisterEnumeratorIface(iface);
}
else if (fullName.StartsWith("Chela.Collections.Generic.IEnumerable<"))
{
currentModule.RegisterEnumerableGIface(iface);
}
else if (fullName.StartsWith("Chela.Collections.Generic.IEnumerator<"))
{
currentModule.RegisterEnumeratorGIface(iface);
}
// Use the prototype scope.
if (protoScope != null)
{
PushScope(protoScope);
}
// Add into the current scope.
if (currentContainer.IsNamespace())
{
Namespace space = (Namespace)currentContainer;
space.AddType(iface);
}
else if (currentContainer.IsStructure() || currentContainer.IsInterface() || currentContainer.IsClass())
{
Structure parent = (Structure)currentContainer;
parent.AddType(iface);
}
else
{
Error(node, "unexpected place for a class.");
}
// Push the interface unsafe.
if (iface.IsUnsafe())
{
PushUnsafe();
}
// Update the scope.
PushScope(iface);
// Visit the building children.
VisitList(node.GetChildren());
// Restore the scope.
PopScope();
// Restore the generic scope.
if (protoScope != null)
{
PopScope();
}
// Pop the interface unsafe.
if (iface.IsUnsafe())
{
PopUnsafe();
}
return(node);
}
public static IChelaType GetNullType()
{
return(ReferenceType.Create(null));
}
/// <summary>
/// Cria um tipo Referencia, no final irá virar um longType, porém com annotations de lookup.
/// </summary>
/// <param name="reference"></param>
/// <returns></returns>
private static TypeBase GetTypeFromReference(TypeRef reference)
{
return(reference.AsString().ToLower() == "long" ? ReferenceType.Create() : ReferenceType.CreateNullable());
}