public ArithmeticMachineState GetNext(Token token)
{
ArithmeticMachineState nextState = this.CurrentState;
ArithmeticStateTransition transition = new ArithmeticStateTransition(CurrentState, token.Type);
if (!transitions.TryGetValue(transition, out nextState))
{
throw new Exception("Arithmetic: Invalid transition: " + CurrentState + " -> " + nextState + "\n" + token.Text + " " + token.Type);
}
if (token.Type != TokenType.END)
{
this.command.ConsumeToken(token);
}
else
{
this.command.EndOfExpression();
}
Console.WriteLine("Arithmetic: " + this.CurrentState + " -> " + nextState + ": " + token.Text);
return(nextState);
}
public override bool Equals(object obj)
{
ArithmeticStateTransition other = obj as ArithmeticStateTransition;
return(other != null && this.CurrentState == other.CurrentState && this.Token == other.Token);
}
