public object Get(Token name)
{
if (Values.ContainsKey(name.Lexeme))
{
return(Values[name.Lexeme]);
}
if (Enclosing != null)
{
return(Enclosing.Get(name));
}
throw new RuntimeError(name, $"Undefined variable '{name.Lexeme}'.");
}
public object Get(Token name)
{
if (Values.TryGetValue(name.Lexeme, out var value))
{
return(value);
}
if (Enclosing != null)
{
return(Enclosing.Get(name));
}
throw new RuntimeError(name, $"Undefined variable '{name.Lexeme}'.");
}
public object Get(Token name)
=> Values.TryGetValue(name.Lexeme, out var v)
? v
: Enclosing != null
? Enclosing.Get(name)
: throw new RuntimeException(name, $"Undefined variable {name.Lexeme}.");