Function _checkParams

lib/web/jshint.js:17158–17186

* Checks the current scope for unused parameters * Must be called in a function parameter scope

()

   * Must be called in a function parameter scope
   */
  function _checkParams() {
    var params = _current["(params)"];

    if (!params) {
      return;
    }

    var param = params.pop();
    var unused_opt;

    while (param) {
      var label = _current["(labels)"][param];

      unused_opt = _getUnusedOption(state.funct["(unusedOption)"]);

      // 'undefined' is a special case for (function(window, undefined) { ... })();
      // patterns.
      if (param === "undefined")
        return;

      if (label["(unused)"]) {
        _warnUnused(param, label["(token)"], "param", state.funct["(unusedOption)"]);
      } else if (unused_opt === "last-param") {
        return;
      }

      param = params.pop();
    }
  }

  /**
   * Finds the relevant label's scope, searching from nearest outwards