lib/qx/tool/compiler/Analyser.js
function(className) {
      var library = this.getLibraryFromClassname(className);
      if (!library) {
        return null; 
      }
      var path = library.getRootDir() + "/" + library.getSourcePath() + "/" + className.replace(/\./g, "/") + ".js";
      return path;
    }
function(className) {
      var library = this.getLibraryFromClassname(className);
      if (!library) {
        return null; 
      }
      var path = library.getRootDir() + "/" + library.getSourcePath() + "/" + className.replace(/\./g, "/") + ".js";
      return path;
    }
Returns the classname
@param className
@returns {string}