public void Visit(ClassStmt stmt)
{
_currentEnvironment.Define(stmt.Name.Lexeme, null);
var methods = stmt.Methods.Select(m => new {
Name = m.Name.Lexeme,
Method = new LoxFunctionCallable(m, _currentEnvironment, isInitializer: m.Name.Lexeme.Equals("init"))
}).ToDictionary(tuple => tuple.Name, tuple => tuple.Method);
var classDefinition = new LoxClass(stmt.Name.Lexeme, methods);
_currentEnvironment.Assign(stmt.Name, classDefinition);
}
public void Assign(Token name, object value)
{
if (_state.ContainsKey(name.Lexeme))
{
_state[name.Lexeme] = value;
return;
}
if (_enclosingEnvironment != null)
{
_enclosingEnvironment.Assign(name, value);
return;
}
throw new LoxRuntimeErrorException(name, $"Undefined variable '{name.Lexeme}'");
}
