public override AstNode Visit(DelegateDefinition 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(), GenericPrototype.Empty);
if (old != null)
{
Error(node, "trying to redefine a delegate.");
}
// Create the structure
MemberFlags flags = node.GetFlags();
// TODO: Check the flags.
Class building = new Class(node.GetName(), flags, currentContainer);
building.SetGenericPrototype(genProto);
building.Position = node.GetPosition();
node.SetStructure(building);
// Add into the current scope.
if (currentContainer.IsNamespace())
{
Namespace space = (Namespace)currentContainer;
space.AddType(building);
}
else if (currentContainer.IsStructure() || currentContainer.IsInterface() || currentContainer.IsClass())
{
Structure parent = (Structure)currentContainer;
parent.AddType(building);
}
else
{
Error(node, "unexpected place for a delegate.");
}
// Register the compute binding delegate.
if (building.GetFullName() == "Chela.Compute.ComputeBinding")
{
currentModule.RegisterComputeBindingDelegate(building);
}
return(node);
}
