private static ObjectCode Compile(string source)
{
var objectCode = new ObjectCode();
var lines = source.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i].Trim();
if (line.Equals(string.Empty) || line.StartsWith('#'))
{
continue;
}
string[] tokens = line.Split(new[] { " ", "\t" }, StringSplitOptions.RemoveEmptyEntries);
switch (tokens[0])
{
case "m":
case "move":
objectCode.Instructions.Add(new Instruction.MoveInstruction(tokens));
break;
case "o":
case "offset":
objectCode.Instructions.Add(new Instruction.OffsetInstruction(tokens));
break;
default:
throw new Exception($"Undefined command in line {i + 1}.");
}
}
return(objectCode);
}
private static void Execute(ObjectCode objectCode)
{
List <Instruction.IInstruction> instructions = objectCode.Instructions;
instructions.ForEach(e => e.DoAction());
}