private AST createFromAST(AST node)
{
AST newNode = null;
Type nodeAsTypeObj = node.GetType();
ASTNodeCreator creator = (ASTNodeCreator)typename2creator_[nodeAsTypeObj.FullName];
if (creator != null)
{
newNode = creator.Create();
if (newNode == null)
{
throw new ArgumentException("Unable to create AST Node Type: '" + nodeAsTypeObj.FullName + "'");
}
}
else
{
newNode = createFromNodeTypeObject(nodeAsTypeObj);
}
return(newNode);
}