public void Parse(Context context)
{
name = context.CurrentToken();
context.SkipToken(name);
if (!name.Equals("go") && !name.Equals("right") && !name.Equals("left"))
{
throw new ParseException(name + " is undefined");
}
}
public override void Parse(Context context)
{
while (true)
{
if (context.CurrentToken() == null)
{
throw new InvalidCastException();
}
else if (context.CurrentToken().Equals("end"))
{
context.SkipToken("end");
break;
}
else
{
Node commandNode = new CommandNode();
commandNode.Parse(context);
_list.Add(commandNode);
}
}
}
public void Parse(Context context)
{
while (true)
{
if (context.CurrentToken() == null)
{
throw new ParseException("Missing 'end'");
}
else if (context.CurrentToken().Equals("end"))
{
context.SkipToken("end");
break;
}
else
{
INode commandNode = new CommandNode();
commandNode.Parse(context);
list.Add(commandNode);
}
}
}
public void Parse(Context context)
{
if (context.CurrentToken().Equals("repeat"))
{
node = new RepeatCommandNode();
node.Parse(context);
}
else
{
node = new PrimitiveCommandNode();
node.Parse(context);
}
}