public override AstNode Visit(NamespaceDefinition node)
{
// Handle nested namespaces.
LinkedList<Namespace> namespaceChain = new LinkedList<Namespace>();
Scope target = currentContainer;
Namespace current = node.GetNamespace();
while(current != target)
{
namespaceChain.AddFirst(current);
current = (Namespace)current.GetParentScope();
}
// Update the scope.
foreach(Namespace space in namespaceChain)
PushScope(space);
// Create the static constructors.
CreateStaticConstructor(node, node.GetNamespace());
// Visit his children.
VisitList(node.GetChildren());
// Restore the scope.
for(int i = 0; i < namespaceChain.Count; i++)
PopScope();
return node;
}
public override AstNode Visit(NamespaceDefinition node)
{
// Handle nested names.
string fullname = node.GetName();
StringBuilder nameBuilder = new StringBuilder();
int numscopes = 0;
for(int i = 0; i < fullname.Length; i++)
{
char c = fullname[i];
if(c != '.')
{
nameBuilder.Append(c);
if(i+1 < fullname.Length)
continue;
}
// Expect full name.
if(c == '.' && i+1 == fullname.Length)
Error(node, "expected complete namespace name.");
// Find an already declared namespace.
string name = nameBuilder.ToString();
nameBuilder.Length = 0;
ScopeMember old = currentContainer.FindMember(name);
if(old != null)
{
if(!old.IsNamespace())
Error(node, "defining namespace collides with another thing.");
// Store a reference in the node.
node.SetNamespace((Namespace)old);
}
else
{
// Cast the current scope.
Namespace space = (Namespace)currentContainer;
// Create, name and add the new namespace.
Namespace newNamespace = new Namespace(space);
newNamespace.SetName(name);
space.AddMember(newNamespace);
// Store a reference in the node.
node.SetNamespace(newNamespace);
}
// Update the scope.
PushScope(node.GetNamespace());
// Increase the number of scopes.
numscopes++;
}
// Visit the children.
VisitList(node.GetChildren());
// Restore the scopes.
for(int i = 0; i < numscopes; i++)
PopScope();
return node;
}