void Start()
{
Debug.Log("onStart");
_parser = new Parser(this); // Important to instate it here, not in Awake(). Else vessel is not created yet.
RenderingManager.AddToPostDrawQueue(0, onDraw);
Debug.Log("onStartEnd");
}
public static Lexicon generateToken(float input, Parser parser) {
return classify(delimit(input.ToString()).Dequeue(), parser);
}
public static Lexicon generateToken(string input, Parser parser) {
return classify(delimit(input).Dequeue(), parser);
}
// Queue<Lexicon> _lexed_input;
/* public Lexer(Parser parser) {
_parser = parser;
_lexed_input = new Queue<Lexicon>();
}
// Used for Unit Testing
public Lexer() {
_lexed_input = new Queue<Lexicon>();
}
*/
public static Queue<Lexicon> tokenize(string input, Parser parser) {
return classify(delimit(input), parser);
}
private static Lexicon classify(string symbol, Parser parser) {
Queue<string> input = new Queue<string>();
input.Enqueue(symbol);
return classify(input, parser).Dequeue();
}
private static Queue<Lexicon> classify(Queue<string> input, Parser parser) {
int val;
Queue<Lexicon> result = new Queue<Lexicon>();
foreach (string symbol in input) {
if (Int32.TryParse(symbol, out val)) {
result.Enqueue(new Number(val));
// Not a number
} else {
if (symbol[0] == '"' && symbol.EndsWith("\"")) {
result.Enqueue(new ComplexAtom(symbol));
} else if (symbol[0] == '(' && symbol.EndsWith(")") ||
symbol[0] == '{' && symbol.EndsWith("}") ||
symbol[0] == '[' && symbol.EndsWith("]")) {
result.Enqueue(new Function(symbol.Substring(1, symbol.Length - 2))); // not sure why -2
} else if (!(symbol.Contains("\"") ||
symbol.Contains("{") ||
symbol.Contains("}") ||
symbol.Contains("(") ||
symbol.Contains(")") ||
symbol.Contains("[") ||
symbol.Contains("]"))) {
if (parser.commandExists(symbol)) {
result.Enqueue(new Command(symbol));
} else if (symbol == "true") {
result.Enqueue(new Bool(true));
} else if (symbol == "false") {
result.Enqueue(new Bool(false));
} else {
result.Enqueue(new Atom(symbol));
}
} else {
result.Enqueue(new Error("Syntax error"));
}
}
}
return result;
}
