/// <summary>
/// Gets a symbol based on its name, returns null if the symbol is not defined
/// </summary>
/// <returns>A symbol.</returns>
/// <param name="name">The symbol name.</param>
public Symbol GetSymbol(string name)
{
Scope curr = CurrentScope;
while (curr != null)
{
Symbol sym;
if (curr.GetSymbol(name, out sym))
{
return(sym);
}
curr = curr.ParentScope;
}
return(null);
}
/// <summary>
/// Determines whether this scope has a definition for a specified symbol name.
/// </summary>
/// <returns><c>true</c> if this instance name is defined; otherwise, <c>false</c>.</returns>
/// <param name="name">Name.</param>
public bool IsSymbolDefined(string name)
{
Scope curr = CurrentScope;
while (curr != null)
{
Symbol sym;
if (curr.GetSymbol(name, out sym))
{
return(true);
}
curr = curr.ParentScope;
}
return(false);
}
