public SyntaxMachineState GetNext(Token token)
{
SyntaxMachineState nextState = this.CurrentState;
SyntaxStateTransition transition = new SyntaxStateTransition(CurrentState, token.Type);
if ((this.CurrentState == SyntaxMachineState.START || this.CurrentState != SyntaxMachineState.START && token.Type == TokenType.END) &&
!transitions.TryGetValue(transition, out nextState))
{
throw new Exception("Syntax: Invalid transition: " + CurrentState + " -> " + nextState + "\nToken Text: " + token.Text + " Token Type: " + token.Type.ToString());
}
if (this.CurrentState == SyntaxMachineState.START && token.Type == TokenType.INT)
{
this.sequenceId.ConsumeToken(token);
}
else if (this.CurrentState == SyntaxMachineState.START && token.Type == TokenType.FINAL)
{
this.endCommand.EndInstruction();
}
else if (this.CurrentState == SyntaxMachineState.START && token.Type == TokenType.RETURN)
{
this.returnCommand.ReturnInstructions();
}
else
{
this.engine.ConsumeToken(this.CurrentState, token, nextState);
}
Console.WriteLine("Syntax: " + this.CurrentState + " -> " + nextState + ": " + token.Text);
return(nextState);
}
public override bool Equals(object obj)
{
SyntaxStateTransition other = obj as SyntaxStateTransition;
return(other != null && this.CurrentState == other.CurrentState && this.Token == other.Token);
}