public override AstNode Visit(AliasDeclaration node)
{
// Visit the using member.
Expression member = node.GetMember();
member.Accept(this);
// Cast the pseudo-scope.
PseudoScope scope = (PseudoScope)node.GetScope();
// Get the member type.
IChelaType memberType = member.GetNodeType();
if(memberType.IsMetaType())
{
// Get the actual type.
memberType = ExtractActualType(node, memberType);
// Only structure relatives.
if(memberType.IsStructure() || memberType.IsClass() || memberType.IsInterface())
{
scope.AddAlias(node.GetName(), (ScopeMember)memberType);
}
else
{
Error(node, "unexpected type.");
}
}
else if(memberType.IsReference())
{
// Only static members supported.
ScopeMember theMember = (ScopeMember)node.GetNodeValue();
MemberFlags instanceFlags = MemberFlags.InstanceMask & theMember.GetFlags();
if(instanceFlags != MemberFlags.Static)
Error(node, "unexpected member type.");
// Store the member.
scope.AddAlias(node.GetName(), theMember);
}
else if(memberType.IsNamespace())
{
// Set the namespace chain.
Namespace space = (Namespace)node.GetNodeValue();
scope.AddAlias(node.GetName(), space);
}
base.Visit(node);
return node;
}
