Function preExpressionTransform

examples/js/processing.js:11212–11299

(expr)

    }

    function preExpressionTransform(expr) {
      var s = expr;
      // new type[] {...} --> {...}
      s = s.replace(/\bnew\s+([A-Za-z_$][\w$]*\b(?:\s*\.\s*[A-Za-z_$][\w$]*\b)*)(?:\s*"C\d+")+\s*("A\d+")/g, function(all, type, init) {
        return init;
      });
      // new Runnable() {...} --> "F???"
      s = s.replace(/\bnew\s+([A-Za-z_$][\w$]*\b(?:\s*\.\s*[A-Za-z_$][\w$]*\b)*)(?:\s*"B\d+")\s*("A\d+")/g, function(all, type, init) {
        return addAtom(all, 'F');
      });
      // function(...) { } --> "H???"
      s = s.replace(functionsRegex, function(all) {
        return addAtom(all, 'H');
      });
      // new type[?] --> new ArrayList(?)
      s = s.replace(/\bnew\s+([A-Za-z_$][\w$]*\b(?:\s*\.\s*[A-Za-z_$][\w$]*\b)*)\s*("C\d+"(?:\s*"C\d+")*)/g, function(all, type, index) {
        var args = index.replace(/"C(\d+)"/g, function(all, j) { return atoms[j]; }).
          replace(/\[\s*\]/g, "[0]").replace(/\s*\]\s*\[\s*/g, ", ");

        var arrayInitializer = "(" + args.substring(1, args.length - 1) + ")";
        return 'new ArrayList' + addAtom(arrayInitializer, 'B');
      });
      // .length() --> .length
      s = s.replace(/(\.\s*length)\s*"B\d+"/g, "$1");
      // #000000 --> 0x000000
      s = s.replace(/#([0-9A-Fa-f]+)/g, function(all, digits) {
        return digits.length < 6 ? "0x" + digits : "0xFF000000".substring(0, 10 - digits.length) + digits;
      });
      // delete (type)???, (int)??? -> 0|???
      s = s.replace(/"B(\d+)"(\s*(?:[\w$']|"B))/g, function(all, index, next) {
        var atom = atoms[index];
        if(!/^\(\s*[A-Za-z_$][\w$]*\b(?:\s*\.\s*[A-Za-z_$][\w$]*\b)*\s*(?:"C\d+"\s*)*\)$/.test(atom)) {
          return all;
        } else if(/^\(\s*int\s*\)$/.test(atom)) {
          return "0|" + next;
        } else {
          var indexParts = atom.split(/"C(\d+)"/g);
          if(indexParts.length > 1) {
            // even items contains atom numbers, can check only first
            if(! /^\[\s*\]$/.test(atoms[indexParts[1]])) {
              return all; // fallback - not a cast
            }
          }
          return "" + next;
        }
      });
      // super() -> $superCstr(), super. -> $super.;
      s = s.replace(/\bsuper(\s*"B\d+")/g, "$$superCstr$1").replace(/\bsuper(\s*\.)/g, "$$super$1");
      // 3.0f -> 3.0
      s = s.replace(/\b(\.?\d+)[fF]/g, "$1");
      // Weird (?) parsing errors with %
      s = s.replace(/([^\s])%([^=\s])/g, "$1 % $2");
      // Since frameRate() and frameRate are different things,
      // we need to differentiate them somehow. So when we parse
      // the Processing.js source, replace frameRate so it isn't
      // confused with frameRate(), as well as keyPressed and mousePressed
      s = s.replace(/\b(frameRate|keyPressed|mousePressed)\b(?!\s*"B)/g, "__$1");
      // "pixels" replacements: