/// Author: Max Hamulyak
/// Date: 08-06-2015
/// <summary>
/// Takes a single <see cref="Token"/> and parses it to a robot instruction.
/// Like <see cref="PickUp"/>, <see cref="Forward"/> and <see cref="TurnRight"/>
/// that are all of the return type <see cref="Command"/>
/// </summary>
/// <returns>The <see cref="Command"/> from token.</returns>
/// <param name="tokenToParse">Command token.</param>
protected override Command SimpleCommandFromToken(List<Token> tokensToParse, int currentLine)
{
Token tokenToParse = tokensToParse.First ();
tokensToParse.Remove (tokenToParse);
tokensToParse.RemoveAll (x => x.Type == ETokenType.CommentLine || x.Type == ETokenType.EOL || x.Type == ETokenType.WhiteSpace);
if (tokensToParse.Count > 0) {
throw TokenAfterFunctionCall (currentLine, tokenToParse.Value, tokensToParse.First ().Value);
} else {
Command robotCommand;
if (tokenToParse.Value == "moveForward()") {
robotCommand = new Forward ();
} else if (tokenToParse.Value == "rotateRight()") {
robotCommand = new TurnRight ();
} else {
int quoteIndex = tokenToParse.Value.IndexOf ("'");
String desiredObject = tokenToParse.Value.Substring (quoteIndex + 1);
desiredObject = desiredObject.TrimEnd ("')".ToCharArray ());
robotCommand = new PickUp (desiredObject);
}
robotCommand.LineNumber = tokenToParse.Position.Line;
return robotCommand;
}
}
public void whileLoop4()
{
EOrientation orientation = EOrientation.South;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
robot.xPosition = 1;
Solver canForward = new ConcreteInstruction (ECanInstructions.Forward);
ICodeBlock command = new Forward();
WhileLoop whileLoop = new WhileLoop (canForward);
whileLoop.addChild (command);
MainCode mainCode = new MainCode ();
mainCode.addChild (whileLoop);
mainCode.execute ();
int actual = robot.yPosition;
int expected = 2;
Assert.AreEqual (expected, actual);
}
