Class: Module

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# File 'opal/opal/corelib/module.rb', line 13
def initialize(&block)
 module_eval(&block) if block_given?
end

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# File 'opal/opal/corelib/module.rb', line 4
def self.allocate
 %x{
 var module = Opal.allocate_module(nil, function(){});
 // Link the prototype of Module subclasses
 if (self !== Opal.Module) Object.setPrototypeOf(module, self.$$prototype);
 return module;
 }
end

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# File 'opal/opal/corelib/module.rb', line 277
def self.constants(inherit = undefined)
 %x{
 if (inherit == null) {
 var nesting = (self.$$nesting || []).concat($Object),
 constant, constants = {},
 i, ii;
 for(i = 0, ii = nesting.length; i < ii; i++) {
 for (constant in nesting[i].$$const) {
 constants[constant] = true;
 }
 }
 return Object.keys(constants);
 } else {
 return Opal.constants(self, inherit)
 }
 }
end

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# File 'opal/opal/corelib/module.rb', line 296
def self.nesting
 `self.$$nesting || []`
end

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# File 'opal/opal/corelib/module.rb', line 23
def <(other)
 unless ::Module  === other
 ::Kernel .raise  ::TypeError , 'compared with non class/module'
 end
 # class cannot be a descendant of itself
 %x{
 var working = self,
 ancestors,
 i, length;
 if (working === other) {
 return false;
 }
 for (i = 0, ancestors = Opal.ancestors(self), length = ancestors.length; i < length; i++) {
 if (ancestors[i] === other) {
 return true;
 }
 }
 for (i = 0, ancestors = Opal.ancestors(other), length = ancestors.length; i < length; i++) {
 if (ancestors[i] === self) {
 return false;
 }
 }
 return nil;
 }
end

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# File 'opal/opal/corelib/module.rb', line 54
def <=(other)
 equal?(other) || self < other
end

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# File 'opal/opal/corelib/module.rb', line 70
def <=>(other)
 %x{
 if (self === other) {
 return 0;
 }
 }
 unless ::Module  === other
 return nil
 end
 lt = self < other
 return nil if lt.nil?
 lt ? -1 : 1
end

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# File 'opal/opal/corelib/module.rb', line 17
def ===(object)
 return false if `object == null`
 `Opal.is_a(object, self)`
end

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# File 'opal/opal/corelib/module.rb', line 58
def >(other)
 unless ::Module  === other
 ::Kernel .raise  ::TypeError , 'compared with non class/module'
 end
 other < self
end

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# File 'opal/opal/corelib/module.rb', line 66
def >=(other)
 equal?(other) || self > other
end

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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 113
def __marshal__(buffer)
 unless name
 ::Kernel .raise  ::TypeError , "can't dump anonymous module"
 end
 buffer.save_link(self)
 buffer.append('m')
 buffer.write_module(self)
end

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# File 'opal/opal/corelib/module.rb', line 86
def alias_method(newname, oldname)
 `$deny_frozen_access(self)`
 newname = `$coerce_to(newname, #{::String }, 'to_str')`
 oldname = `$coerce_to(oldname, #{::String }, 'to_str')`
 `Opal.alias(self, newname, oldname)`
 self
end

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# File 'opal/opal/corelib/module.rb', line 96
def alias_native(mid, jsid = mid)
 `$deny_frozen_access(self)`
 `Opal.alias_native(self, mid, jsid)`
 self
end

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# File 'opal/opal/corelib/module.rb', line 104
def ancestors
 `Opal.ancestors(self)`
end

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# File 'opal/opal/corelib/module.rb', line 108
def append_features(includer)
 `$deny_frozen_access(includer)`
 `Opal.append_features(self, includer)`
 self
end

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# File 'opal/opal/corelib/module.rb', line 120
def attr(*args)
 %x{
 if (args.length == 2 && (args[1] === true || args[1] === false)) {
 #{warn 'optional boolean argument is obsoleted', uplevel: 1}
 args[1] ? #{attr_accessor(`args[0]`)} : #{attr_reader(`args[0]`)};
 return nil;
 }
 }
 attr_reader(*args)
end

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# File 'opal/opal/corelib/module.rb', line 115
def attr_accessor(*names)
 attr_reader(*names)
 attr_writer(*names)
end

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# File 'opal/opal/corelib/module.rb', line 133
def attr_reader(*names)
 %x{
 $deny_frozen_access(self);
 var proto = self.$$prototype;
 for (var i = names.length - 1; i >= 0; i--) {
 var name = names[i],
 id = $jsid(name),
 ivar = $ivar(name);
 var body = $return_ivar(ivar);
 // initialize the instance variable as nil
 Opal.prop(proto, ivar, nil);
 body.$$parameters = [];
 body.$$arity = 0;
 Opal.defn(self, id, body);
 }
 }
 nil
end

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# File 'opal/opal/corelib/module.rb', line 159
def attr_writer(*names)
 %x{
 $deny_frozen_access(self);
 var proto = self.$$prototype;
 for (var i = names.length - 1; i >= 0; i--) {
 var name = names[i],
 id = $jsid(name + '='),
 ivar = $ivar(name);
 var body = $assign_ivar(ivar)
 body.$$parameters = [['req']];
 body.$$arity = 1;
 // initialize the instance variable as nil
 Opal.prop(proto, ivar, nil);
 Opal.defn(self, id, body);
 }
 }
 nil
end

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# File 'opal/opal/corelib/module.rb', line 185
def autoload (const, path)
 %x{
 $deny_frozen_access(self);
 if (!#{Opal .const_name? (const)}) {
 #{::Kernel .raise  ::NameError , "autoload must be constant name: #{const}"}
 }
 if (path == "") {
 #{::Kernel .raise  ::ArgumentError , 'empty file name'}
 }
 if (!self.$$const.hasOwnProperty(#{const})) {
 if (!self.$$autoload) {
 self.$$autoload = {};
 }
 Opal.const_cache_version++;
 self.$$autoload[#{const}] = { path: #{path}, loaded: false, required: false, success: false, exception: false };
 if (self.$const_added && !self.$const_added.$$pristine) {
 self.$const_added(#{const});
 }
 }
 return nil;
 }
end

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# File 'opal/opal/corelib/module.rb', line 212
def autoload?(const)
 %x{
 if (self.$$autoload && self.$$autoload[#{const}] && !self.$$autoload[#{const}].required && !self.$$autoload[#{const}].success) {
 return self.$$autoload[#{const}].path;
 }
 var ancestors = self.$ancestors();
 for (var i = 0, length = ancestors.length; i < length; i++) {
 if (ancestors[i].$$autoload && ancestors[i].$$autoload[#{const}] && !ancestors[i].$$autoload[#{const}].required && !ancestors[i].$$autoload[#{const}].success) {
 return ancestors[i].$$autoload[#{const}].path;
 }
 }
 return nil;
 }
end

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# File 'opal/opal/corelib/module.rb', line 247
def class_variable_defined?(name)
 name = ::Opal .class_variable_name! (name)
 `Opal.class_variables(self).hasOwnProperty(name)`
end

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# File 'opal/opal/corelib/module.rb', line 233
def class_variable_get(name)
 name = ::Opal .class_variable_name! (name)
 `Opal.class_variable_get(self, name, false)`
end

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# File 'opal/opal/corelib/module.rb', line 239
def class_variable_set(name, value)
 `$deny_frozen_access(self)`
 name = ::Opal .class_variable_name! (name)
 `Opal.class_variable_set(self, name, value)`
end

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# File 'opal/opal/corelib/module.rb', line 229
def class_variables
 `Object.keys(Opal.class_variables(self))`
end

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# File 'opal/opal/corelib/module.rb', line 253
def const_added(name)
end

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# File 'opal/opal/corelib/module.rb', line 302
def const_defined?(name, inherit = true)
 name = Opal .const_name! (name)
 ::Kernel .raise  ::NameError .new ("wrong constant name #{name}", name) unless name =~ ::Opal ::CONST_NAME_REGEXP
 %x{
 var module, modules = [self], module_constants, i, ii;
 // Add up ancestors if inherit is true
 if (inherit) {
 modules = modules.concat(Opal.ancestors(self));
 // Add Object's ancestors if it's a module – modules have no ancestors otherwise
 if (self.$$is_module) {
 modules = modules.concat([$Object]).concat(Opal.ancestors($Object));
 }
 }
 for (i = 0, ii = modules.length; i < ii; i++) {
 module = modules[i];
 if (module.$$const[#{name}] != null) { return true; }
 if (
 module.$$autoload &&
 module.$$autoload[#{name}] &&
 !module.$$autoload[#{name}].required &&
 !module.$$autoload[#{name}].success
 ) {
 return true;
 }
 }
 return false;
 }
end

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# File 'opal/opal/corelib/module.rb', line 337
def const_get(name, inherit = true)
 name = Opal .const_name! (name)
 %x{
 if (name.indexOf('::') === 0 && name !== '::'){
 name = name.slice(2);
 }
 }
 if `name.indexOf('::') != -1 && name != '::'`
 return name.split('::').inject(self) { |o, c| o.const_get(c) }
 end
 ::Kernel .raise  ::NameError .new ("wrong constant name #{name}", name) unless name =~ ::Opal ::CONST_NAME_REGEXP
 %x{
 if (inherit) {
 return Opal.$$([self], name);
 } else {
 return Opal.const_get_local(self, name);
 }
 }
end

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# File 'opal/opal/corelib/module.rb', line 361
def const_missing(name)
 full_const_name = self == ::Object  ? name : "#{self}::#{name}"
 ::Kernel .raise  ::NameError .new ("uninitialized constant #{full_const_name}", name)
end

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# File 'opal/opal/corelib/module.rb', line 367
def const_set(name, value)
 `$deny_frozen_access(self)`
 name = ::Opal .const_name! (name)
 if name !~ ::Opal ::CONST_NAME_REGEXP || name.start_with?('::')
 ::Kernel .raise  ::NameError .new ("wrong constant name #{name}", name)
 end
 `$const_set(self, name, value)`
 value
end

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# File 'opal/opal/corelib/module.rb', line 273
def constants(inherit = true)
 `Opal.constants(self, inherit)`
end

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# File 'opal/opal/corelib/module.rb', line 742
def copy_class_variables(other)
 %x{
 for (var name in other.$$cvars) {
 self.$$cvars[name] = other.$$cvars[name];
 }
 }
end

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# File 'opal/opal/corelib/module.rb', line 750
def copy_constants(other)
 %x{
 var name, other_constants = other.$$const;
 for (name in other_constants) {
 $const_set(self, name, other_constants[name]);
 }
 }
end

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# File 'opal/opal/corelib/module.rb', line 384
def define_method(name, method = undefined, &block)
 %x{
 $deny_frozen_access(self);
 if (method === undefined && block === nil)
 #{::Kernel .raise  ::ArgumentError , 'tried to create a Proc object without a block'}}
 block ||= case method
 when ::Proc 
 method
 when ::Method 
 `#{method.to_proc}.$$unbound`
 when ::UnboundMethod 
 ->(*args) {
 bound = method.bind(self)
 bound.call(*args)
 }
 else
 ::Kernel .raise  ::TypeError , "wrong argument type #{block.class} (expected Proc/Method)"
 end
 %x{
 if (typeof(Proxy) !== 'undefined') {
 var meta = Object.create(null)
 block.$$proxy_target = block
 block = new Proxy(block, {
 apply: function(target, self, args) {
 var old_name = target.$$jsid
 target.$$jsid = name;
 try {
 return target.apply(self, args);
 } catch(e) {
 if (e === target.$$brk || e === target.$$ret) return e.$v;
 throw e;
 } finally {
 target.$$jsid = old_name
 }
 }
 })
 }
 block.$$jsid = name;
 block.$$s = null;
 block.$$def = block;
 block.$$define_meth = true;
 return Opal.defn(self, $jsid(name), block);
 }
end

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# File 'opal/opal/corelib/module.rb', line 735
def dup
 copy = super
 copy.copy_class_variables(self)
 copy.copy_constants(self)
 copy
end

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# File 'opal/opal/corelib/module.rb', line 540
def extend_object(object)
 `$deny_frozen_access(object)`
 nil
end

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# File 'opal/opal/corelib/module.rb', line 537
def extended(mod)
end

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# File 'opal/opal/corelib/module.rb', line 439
def freeze
 # Specialized version of freeze, because the $$base_module property needs to be
 # accessible despite the frozen status

 return self if frozen?
 %x{
 if (!self.hasOwnProperty('$$base_module')) { $prop(self, '$$base_module', null); }
 return $freeze(self);
 }
end

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# File 'opal/opal/corelib/module.rb', line 472
def include (*mods)
 %x{
 for (var i = mods.length - 1; i >= 0; i--) {
 var mod = mods[i];
 if (!mod.$$is_module) {
 #{::Kernel .raise  ::TypeError , "wrong argument type #{`mod`.class} (expected Module)"};
 }
 #{`mod`.append_features self};
 #{`mod`.included self};
 }
 }
 self
end

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# File 'opal/opal/corelib/module.rb', line 493
def include?(mod)
 %x{
 if (!mod.$$is_module) {
 #{::Kernel .raise  ::TypeError , "wrong argument type #{`mod`.class} (expected Module)"};
 }
 var i, ii, mod2, ancestors = Opal.ancestors(self);
 for (i = 0, ii = ancestors.length; i < ii; i++) {
 mod2 = ancestors[i];
 if (mod2 === mod && mod2 !== self) {
 return true;
 }
 }
 return false;
 }
end

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# File 'opal/opal/corelib/module.rb', line 534
def included(mod)
end

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# File 'opal/opal/corelib/module.rb', line 489
def included_modules
 `Opal.included_modules(self)`
end

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# File 'opal/opal/corelib/module.rb', line 512
def instance_method(name)
 %x{
 var meth = self.$$prototype[$jsid(name)];
 if (!meth || meth.$$stub) {
 #{::Kernel .raise  ::NameError .new ("undefined method `#{name}' for class `#{self.name}'", name)};
 }
 return #{::UnboundMethod .new (self, `meth.$$owner || #{self}`, `meth`, name)};
 }
end

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# File 'opal/opal/corelib/module.rb', line 524
def instance_methods(include_super = true)
 %x{
 if ($truthy(#{include_super})) {
 return Opal.instance_methods(self);
 } else {
 return Opal.own_instance_methods(self);
 }
 }
end

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# File 'opal/opal/corelib/module.rb', line 720
def instance_variables
 consts = constants
 %x{
 var result = [];
 for (var name in self) {
 if (self.hasOwnProperty(name) && name.charAt(0) !== '$' && name !== 'constructor' && !#{consts.include?(`name`)}) {
 result.push('@' + name);
 }
 }
 return result;
 }
end

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# File 'opal/opal/corelib/module.rb', line 545
def method_added(*)
end

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# File 'opal/opal/corelib/module.rb', line 598
def method_defined?(method)
 %x{
 var body = self.$$prototype[$jsid(method)];
 return (!!body) && !body.$$stub;
 }
end

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# File 'opal/opal/corelib/module.rb', line 548
def method_removed(*)
end

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# File 'opal/opal/corelib/module.rb', line 551
def method_undefined(*)
end

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# File 'opal/opal/corelib/module.rb', line 554
def module_eval(*args, &block)
 if block.nil? && `!!Opal.compile`
 ::Kernel .raise  ::ArgumentError , 'wrong number of arguments (0 for 1..3)' unless (1..3).cover? args.size
 string, file, _lineno = *args
 default_eval_options = { file: (file || '(eval)'), eval: true }
 compiling_options = __OPAL_COMPILER_CONFIG__.merge(default_eval_options)
 compiled = ::Opal .compile string, compiling_options
 block = ::Kernel .proc  do
 %x{new Function("Opal,self", "return " + compiled)(Opal, self)}
 end
 elsif args.any?
 ::Kernel .raise  ::ArgumentError , "wrong number of arguments (#{args.size} for 0)" \
 "\n\n NOTE:If you want to enable passing a String argument please add \"require 'opal-parser'\" to your script\n"
 end
 %x{
 var old = block.$$s,
 result;
 block.$$s = null;
 result = block.apply(self, [self]);
 block.$$s = old;
 return result;
 }
end

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# File 'opal/opal/corelib/module.rb', line 582
def module_exec(*args, &block)
 %x{
 if (block === nil) {
 #{::Kernel .raise  ::LocalJumpError , 'no block given'}
 }
 var block_self = block.$$s, result;
 block.$$s = null;
 result = block.apply(self, args);
 block.$$s = block_self;
 return result;
 }
end

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# File 'opal/opal/corelib/module.rb', line 605
def module_function(*methods)
 %x{
 $deny_frozen_access(self);
 if (methods.length === 0) {
 self.$$module_function = true;
 return nil;
 }
 else {
 for (var i = 0, length = methods.length; i < length; i++) {
 var meth = methods[i],
 id = $jsid(meth),
 func = self.$$prototype[id];
 Opal.defs(self, id, func);
 }
 return methods.length === 1 ? methods[0] : methods;
 }
 return self;
 }
end

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# File 'opal/opal/corelib/module.rb', line 628
def name
 %x{
 if (self.$$full_name) {
 return self.$$full_name;
 }
 var result = [], base = self;
 while (base) {
 // Give up if any of the ancestors is unnamed
 if (base.$$name === nil || base.$$name == null) return nil;
 result.unshift(base.$$name);
 base = base.$$base_module;
 if (base === $Object) {
 break;
 }
 }
 if (result.length === 0) {
 return nil;
 }
 return self.$$full_name = result.join('::');
 }
end

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# File 'opal/opal/corelib/module.rb', line 657
def prepend(*mods)
 %x{
 if (mods.length === 0) {
 #{::Kernel .raise  ::ArgumentError , 'wrong number of arguments (given 0, expected 1+)'}
 }
 for (var i = mods.length - 1; i >= 0; i--) {
 var mod = mods[i];
 if (!mod.$$is_module) {
 #{::Kernel .raise  ::TypeError , "wrong argument type #{`mod`.class} (expected Module)"};
 }
 #{`mod`.prepend_features self};
 #{`mod`.prepended self};
 }
 }
 self
end

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# File 'opal/opal/corelib/module.rb', line 678
def prepend_features(prepender)
 %x{
 $deny_frozen_access(prepender);
 if (!self.$$is_module) {
 #{::Kernel .raise  ::TypeError , "wrong argument type #{self.class} (expected Module)"};
 }
 Opal.prepend_features(self, prepender)
 }
 self
end

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# File 'opal/opal/corelib/module.rb', line 691
def prepended(mod)
end

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# File 'opal/opal/corelib/unsupported.rb', line 71
def private_class_method(*methods)
 `return (methods.length === 1) ? methods[0] : methods`
end

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# File 'opal/opal/corelib/unsupported.rb', line 79
def private_constant(*)
end

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# File 'opal/opal/corelib/unsupported.rb', line 75
def private_method_defined?(obj)
 false
end

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# File 'opal/opal/corelib/unsupported.rb', line 61
def public (*methods)
 %x{
 if (methods.length === 0) {
 self.$$module_function = false;
 return nil;
 }
 return (methods.length === 1) ? methods[0] : methods;
 }
end

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# File 'opal/opal/corelib/module.rb', line 381
def public_constant(const_name)
end

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# File 'opal/opal/corelib/module.rb', line 760
def refine(klass, &block)
 refinement_module, m, klass_id = self, nil, nil
 %x{
 klass_id = Opal.id(klass);
 if (typeof self.$$refine_modules === "undefined") {
 self.$$refine_modules = Object.create(null);
 }
 if (typeof self.$$refine_modules[klass_id] === "undefined") {
 m = self.$$refine_modules[klass_id] = #{::Refinement .new };
 }
 else {
 m = self.$$refine_modules[klass_id];
 }
 m.refinement_module = refinement_module
 m.refined_class = klass
 }
 m.class_exec(&block)
 m
end

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# File 'opal/opal/corelib/module.rb', line 780
def refinements
 %x{
 var refine_modules = self.$$refine_modules, hash = #{{}};;
 if (typeof refine_modules === "undefined") return hash;
 for (var id in refine_modules) {
 hash['$[]='](refine_modules[id].refined_class, refine_modules[id]);
 }
 return hash;
 }
end

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# File 'opal/opal/corelib/module.rb', line 257
def remove_class_variable(name)
 `$deny_frozen_access(self)`
 name = ::Opal .class_variable_name! (name)
 %x{
 if (Opal.hasOwnProperty.call(self.$$cvars, name)) {
 var value = self.$$cvars[name];
 delete self.$$cvars[name];
 return value;
 } else {
 #{::Kernel .raise  ::NameError , "cannot remove #{name} for #{self}"}
 }
 }
end

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# File 'opal/opal/corelib/module.rb', line 694
def remove_const(name)
 `$deny_frozen_access(self)`
 `Opal.const_remove(self, name)`
end

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# File 'opal/opal/corelib/module.rb', line 452
def remove_method(*names)
 %x{
 for (var i = 0; i < names.length; i++) {
 var name = names[i];
 if (!(typeof name === "string" || name.$$is_string)) {
 #{raise ::TypeError , "#{name} is not a symbol nor a string"}
 }
 $deny_frozen_access(self);
 Opal.rdef(self, "$" + name);
 }
 }
 self
end

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# File 'opal/opal/corelib/module.rb', line 468
def singleton_class?
 `!!self.$$is_singleton`
end

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# File 'opal/opal/corelib/module.rb', line 700
def to_s 
 `Opal.Module.$name.call(self)` || "#<#{`self.$$is_module ? 'Module' : 'Class'`}:0x#{__id__.to_s(16)}>"
end

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# File 'opal/opal/corelib/module.rb', line 704
def undef_method(*names)
 %x{
 for (var i = 0; i < names.length; i++) {
 var name = names[i];
 if (!(typeof name === "string" || name.$$is_string)) {
 #{raise ::TypeError , "#{name} is not a symbol nor a string"}
 }
 $deny_frozen_access(self);
 Opal.udef(self, "$" + names[i]);
 }
 }
 self
end

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# File 'opal/opal/corelib/module.rb', line 792
def using (mod)
 ::Kernel .raise  'Module#using is not permitted in methods'
end