<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_o7e1cvgi31335kos4e3dr3m2g7, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
/*
Input is e.g. "32p 8c". We want to get out the 2 operators.
Then we apply a "puzzler" which tries to combine the operators in a useful way.

// Operators

<int> p = scaleToHeight : IBWntegralImage -> BWImage
<int> c = posterize : BWImage -> BWImage

// Juxtaposition of operators

_ _ = juxtapose : Op, Op -> Op [left-assoc]
*/

sclass GazelleVScriptParser<T> extends SimpleLeftToRightParser {
  CalculatedFieldIndexedList<GAbstractOperator<T>, S> operators = new(op -> op.name);
  new L<ParsedWithTokens> parsed; // contains ints and operators

  *(S text) { super(text); set caseInsensitive; }
  
  void addOperators(Iterable<? extends GAbstractOperator<T>> l) {
    addAll(operators, l);
  }
  
  void parse(S text) { this.text = text; parse(); }
  
  void parse {
    while (mainLoop()) {
      if (isInteger()) {
        addToParse(parseInt(tpp()));
        continue;
      }
      
      addToParse(findOp(tpp()));
    }
  }
  
  // assumes you have already called tpp()
  void addToParse(O o) {
    parsed.add(ParsedWithTokens(o, tok, ptr.idx()-2, ptr.idx()));
  }
  
  GAbstractOperator<T> findOp(S name) {
    var ops = operators.getAllByKey(name);
    if (empty(ops))
      warn("Unknown operator: " + name);
    else if (l(ops) > 1)
      warn("Multiple operator definitions (please use GPolymorphicOperator instead): " + name);
    ret first(ops);
  }
}