mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
178 lines
4.7 KiB
178 lines
4.7 KiB
// Copyright 2012 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
"use strict";
|
|
|
|
// This file relies on the fact that the following declaration has been made
|
|
// in runtime.js:
|
|
// var $Array = global.Array;
|
|
|
|
var $WeakMap = global.WeakMap;
|
|
var $WeakSet = global.WeakSet;
|
|
|
|
|
|
// -------------------------------------------------------------------
|
|
// Harmony WeakMap
|
|
|
|
function WeakMapConstructor(iterable) {
|
|
if (!%_IsConstructCall()) {
|
|
throw MakeTypeError('constructor_not_function', ['WeakMap']);
|
|
}
|
|
|
|
%WeakCollectionInitialize(this);
|
|
|
|
if (!IS_NULL_OR_UNDEFINED(iterable)) {
|
|
var adder = this.set;
|
|
if (!IS_SPEC_FUNCTION(adder)) {
|
|
throw MakeTypeError('property_not_function', ['set', this]);
|
|
}
|
|
for (var nextItem of iterable) {
|
|
if (!IS_SPEC_OBJECT(nextItem)) {
|
|
throw MakeTypeError('iterator_value_not_an_object', [nextItem]);
|
|
}
|
|
%_CallFunction(this, nextItem[0], nextItem[1], adder);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function WeakMapGet(key) {
|
|
if (!IS_WEAKMAP(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakMap.prototype.get', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(key)) return UNDEFINED;
|
|
return %WeakCollectionGet(this, key);
|
|
}
|
|
|
|
|
|
function WeakMapSet(key, value) {
|
|
if (!IS_WEAKMAP(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakMap.prototype.set', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(key)) {
|
|
throw %MakeTypeError('invalid_weakmap_key', [this, key]);
|
|
}
|
|
return %WeakCollectionSet(this, key, value);
|
|
}
|
|
|
|
|
|
function WeakMapHas(key) {
|
|
if (!IS_WEAKMAP(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakMap.prototype.has', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(key)) return false;
|
|
return %WeakCollectionHas(this, key);
|
|
}
|
|
|
|
|
|
function WeakMapDelete(key) {
|
|
if (!IS_WEAKMAP(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakMap.prototype.delete', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(key)) return false;
|
|
return %WeakCollectionDelete(this, key);
|
|
}
|
|
|
|
|
|
// -------------------------------------------------------------------
|
|
|
|
function SetUpWeakMap() {
|
|
%CheckIsBootstrapping();
|
|
|
|
%SetCode($WeakMap, WeakMapConstructor);
|
|
%FunctionSetPrototype($WeakMap, new $Object());
|
|
%AddNamedProperty($WeakMap.prototype, "constructor", $WeakMap, DONT_ENUM);
|
|
%AddNamedProperty(
|
|
$WeakMap.prototype, symbolToStringTag, "WeakMap", DONT_ENUM | READ_ONLY);
|
|
|
|
// Set up the non-enumerable functions on the WeakMap prototype object.
|
|
InstallFunctions($WeakMap.prototype, DONT_ENUM, $Array(
|
|
"get", WeakMapGet,
|
|
"set", WeakMapSet,
|
|
"has", WeakMapHas,
|
|
"delete", WeakMapDelete
|
|
));
|
|
}
|
|
|
|
SetUpWeakMap();
|
|
|
|
|
|
// -------------------------------------------------------------------
|
|
// Harmony WeakSet
|
|
|
|
function WeakSetConstructor(iterable) {
|
|
if (!%_IsConstructCall()) {
|
|
throw MakeTypeError('constructor_not_function', ['WeakSet']);
|
|
}
|
|
|
|
%WeakCollectionInitialize(this);
|
|
|
|
if (!IS_NULL_OR_UNDEFINED(iterable)) {
|
|
var adder = this.add;
|
|
if (!IS_SPEC_FUNCTION(adder)) {
|
|
throw MakeTypeError('property_not_function', ['add', this]);
|
|
}
|
|
for (var value of iterable) {
|
|
%_CallFunction(this, value, adder);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function WeakSetAdd(value) {
|
|
if (!IS_WEAKSET(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakSet.prototype.add', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(value)) {
|
|
throw %MakeTypeError('invalid_weakset_value', [this, value]);
|
|
}
|
|
return %WeakCollectionSet(this, value, true);
|
|
}
|
|
|
|
|
|
function WeakSetHas(value) {
|
|
if (!IS_WEAKSET(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakSet.prototype.has', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(value)) return false;
|
|
return %WeakCollectionHas(this, value);
|
|
}
|
|
|
|
|
|
function WeakSetDelete(value) {
|
|
if (!IS_WEAKSET(this)) {
|
|
throw MakeTypeError('incompatible_method_receiver',
|
|
['WeakSet.prototype.delete', this]);
|
|
}
|
|
if (!IS_SPEC_OBJECT(value)) return false;
|
|
return %WeakCollectionDelete(this, value);
|
|
}
|
|
|
|
|
|
// -------------------------------------------------------------------
|
|
|
|
function SetUpWeakSet() {
|
|
%CheckIsBootstrapping();
|
|
|
|
%SetCode($WeakSet, WeakSetConstructor);
|
|
%FunctionSetPrototype($WeakSet, new $Object());
|
|
%AddNamedProperty($WeakSet.prototype, "constructor", $WeakSet, DONT_ENUM);
|
|
%AddNamedProperty(
|
|
$WeakSet.prototype, symbolToStringTag, "WeakSet", DONT_ENUM | READ_ONLY);
|
|
|
|
// Set up the non-enumerable functions on the WeakSet prototype object.
|
|
InstallFunctions($WeakSet.prototype, DONT_ENUM, $Array(
|
|
"add", WeakSetAdd,
|
|
"has", WeakSetHas,
|
|
"delete", WeakSetDelete
|
|
));
|
|
}
|
|
|
|
SetUpWeakSet();
|
|
|