// Resolve the type we are casting to
private static Type GetDestType(string[] destTypeParts, IServiceProvider services)
{
ExpressionContext context = services.GetService(typeof(ExpressionContext)) as ExpressionContext;
Type t = null;
// Try to find a builtin type with the name
if (destTypeParts.Length == 1)
{
t = ExpressionImports.GetBuiltinType(destTypeParts[0]);
}
if ((t != null))
{
return(t);
}
// Try to find the type in an import
t = context.Imports.FindType(destTypeParts);
if ((t != null))
{
return(t);
}
return(null);
}
internal ExpressionImports Clone()
{
ExpressionImports copy = new ExpressionImports();
copy.MyRootImport = MyRootImport.Clone() as NamespaceImport;
copy.MyOwnerImport = MyOwnerImport;
return(copy);
}
public ICollection <string> GetIdentifiers(ExpressionContext context)
{
Dictionary <string, object> dict = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
ExpressionImports ei = context.Imports;
foreach (string identifier in MyIdentifiers.Values)
{
// Skip names registered as namespaces
if (ei.HasNamespace(identifier) == true)
{
continue;
}
else if (context.Variables.ContainsKey(identifier) == true)
{
// Identifier is a variable
continue;
}
// Get only the unique values
dict[identifier] = null;
}
return(dict.Keys);
}
