/// <summary>
/// Get the <see cref="MemorySpace"/> containing the named variable
/// </summary>
/// <param name="id">The variable to look for</param>
/// <returns>The <see cref="MemorySpace"/> containing <paramref name="id"/> or null</returns>
private MemorySpace GetSpaceWithSymbol(string id)
{
// Check if the current scope contains the id (and it is not the global scope)
if (!ReferenceEquals(_currentSpace, Globals) && _currentSpace.Contains(id))
{
return(_currentSpace);
}
// Check if the top of the stack contains the id (and it is not the current space)
if (_stack.Count > 0 && !ReferenceEquals(_stack.Peek(), _currentSpace) && _stack.Peek().Contains(id))
{
return(_stack.Peek());
}
return(Globals.Contains(id) ? Globals : null);
}
/// <summary>
/// Get a global variable
/// </summary>
/// <param name="name">The name of the variable</param>
/// <returns>The value of the variable or null if not found</returns>
public KGlobal GetGlobalVariable(string name)
{
return(Globals.Contains(name) ? new KGlobal(name, Globals) : null);
}