public Parser(Konsole caller)
{
_konsole = caller;
_last_result = new None();
_stacked_input_queue = new Stack<Queue<Lexicon>>();
_commands[""] = blank;
_commands["dv"] = dv;
_commands["if"] = ifCond;
_commands["add"] = math;
_commands["sub"] = math;
_commands["div"] = math;
_commands["mul"] = math;
_commands["#ans"] = getLastAns;
_commands["mass"] = mass;
_commands["type"] = type;
_commands["echo"] = echo;
_commands["exec"] = playerExecute;
_commands["etype"] = evaluatedType;
_commands["mtype"] = multipleType;
_commands["lthan"] = equality;
_commands["gthan"] = equality;
_commands["equal"] = equality;
_commands["massT"] = massTotal;
_commands["crewco"] = crewCount;
_commands["airpress"] = airPressure;
_vessel = FlightGlobals.ActiveVessel;
}
public Lexicon parseAndExecute(string input)
{
addInput(input);
Lexicon firstLex = nextLexicon();
if (firstLex.Type != DataTypes.Command) {
_last_result = new Error(firstLex.getValueAsString() + " is not a command");
} else {
_last_result = execute(firstLex);
}
emptyScope(); // We're exiting this scope, so clear the queue and pop the stack
return _last_result;
}
private Lexicon execute(Lexicon nextLex)
{
if (nextLex.Type == DataTypes.Function) {
addInput(nextLex.getValueAsString());
Lexicon result = execute(nextLexicon());
return result;
} else {
while (nextLex.Type == DataTypes.Command) {
Command cmd = (Command)nextLex;
nextLex = _commands[cmd.Value](cmd);
}
}
return nextLex;
}
