269   function handle_autoload(cref, name) {  argument
270     if (!cref.$$autoload[name].loaded) {
271       cref.$$autoload[name].loaded = true;
273         Opal.Kernel.$require(cref.$$autoload[name].path);
275         cref.$$autoload[name].exception = e;
278       cref.$$autoload[name].required = true;
279       if (cref.$$const[name] != null) {
280         cref.$$autoload[name].success = true;
281         return cref.$$const[name];
283     } else if (cref.$$autoload[name].loaded && !cref.$$autoload[name].required) {
284       if (cref.$$autoload[name].exception) { throw cref.$$autoload[name].exception; }
301   function const_get_name(cref, name) {  argument
302     if (cref) {
303       if (cref.$$const[name] != null) { return cref.$$const[name]; }
304       if (cref.$$autoload && cref.$$autoload[name]) {
305         return handle_autoload(cref, name);
329   function const_lookup_ancestors(cref, name) {  argument
332     if (cref == null) return;
334     ancestors = $ancestors(cref);
347   function const_lookup_Object(cref, name) {  argument
348     if (cref == null || cref.$$is_module) {
354   function const_missing(cref, name) {  argument
355     return (cref || _Object).$const_missing(name);
359   Opal.const_get_local = function(cref, name, skip_missing) {  argument
362     if (cref == null) return;
364     if (cref === '::') cref = _Object;
366     if (!cref.$$is_module && !cref.$$is_class) {
367       $raise(Opal.TypeError, cref.toString() + " is not a class/module");
370     result = const_get_name(cref, name);
371     return result != null || skip_missing ? result : const_missing(cref, name);
376   Opal.const_get_qualified = function(cref, name, skip_missing) {  argument
381       result = const_get_name(_Object, cref);
384       return Opal.const_get_qualified(_Object, cref, skip_missing);
387     if (cref == null) return;
389     if (cref === '::') cref = _Object;
391     if (!cref.$$is_module && !cref.$$is_class) {
392       $raise(Opal.TypeError, cref.toString() + " is not a class/module");
395     if ((cache = cref.$$const_cache) == null) {
396       $prop(cref, '$$const_cache', Object.create(null));
397       cache = cref.$$const_cache;
402       ((result = const_get_name(cref, name))              != null) ||
403       ((result = const_lookup_ancestors(cref, name))      != null);
409     return result != null || skip_missing ? result : const_missing(cref, name);
418     var cref = nesting[0], result, current_version = Opal.const_cache_version, cache, cached;
427       ((result = const_get_name(cref, name))              != null) ||
429       ((result = const_lookup_ancestors(cref, name))      != null) ||
430       ((result = const_lookup_Object(cref, name))         != null);
437     return result != null || skip_missing ? result : const_missing(cref, name);
442   function $const_set(cref, name, value) {  argument
445     if (cref == null || cref === '::') cref = _Object;
449       if (value.$$base_module == null) value.$$base_module = cref;
452     cref.$$const = (cref.$$const || Object.create(null));
454     if (name in cref.$$const || ("$$autoload" in cref && name in cref.$$autoload)) {
458     cref.$$const[name] = value;
463     cref.$$ = cref.$$const;
468     if (cref === _Object) Opal[name] = value;
471     $prop(cref, name, value);
473     if (new_const && cref.$const_added && !cref.$const_added.$$pristine) {
474       cref.$const_added(name);
484   Opal.constants = function(cref, inherit) {  argument
487     var module, modules = [cref], i, ii, constants = {}, constant;
489     if (inherit) modules = modules.concat($ancestors(cref));
490 …if (inherit && cref.$$is_module) modules = modules.concat([Opal.Object]).concat($ancestors(Opal.Ob…
496       if (cref !== _Object && module == _Object) break;
512   Opal.const_remove = function(cref, name) {  argument
515     if (cref.$$const[name] != null) {
516       var old = cref.$$const[name];
517       delete cref.$$const[name];
521     if (cref.$$autoload && cref.$$autoload[name]) {
522       delete cref.$$autoload[name];
526     $raise(Opal.NameError, "constant "+cref+"::"+cref.$name()+" not defined");