Stage ES6 promises and weak collections

src/collection.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 "use strict";
 
 // This file relies on the fact that the following declaration has been made
 // in runtime.js:
 // var $Array = global.Array;
 
 var $Set = global.Set;
 var $Map = global.Map;
-var $WeakMap = global.WeakMap;
-var $WeakSet = global.WeakSet;
 
 // Global sentinel to be used instead of undefined keys, which are not
 // supported internally but required for Harmony sets and maps.
 var undefined_sentinel = {};
 
 
 // Map and Set uses SameValueZero which means that +0 and -0 should be treated
 // as the same value.
 function NormalizeKey(key) {
   if (IS_UNDEFINED(key)) {
@@ skipping 175 matching lines @@
   InstallFunctions($Map.prototype, DONT_ENUM, $Array(
     "get", MapGet,
     "set", MapSet,
     "has", MapHas,
     "delete", MapDelete,
     "clear", MapClear
   ));
 }
 
 SetUpMap();
-
-
-// -------------------------------------------------------------------
-// Harmony WeakMap
-
-function WeakMapConstructor() {
-  if (%_IsConstructCall()) {
-    %WeakCollectionInitialize(this);
-  } else {
-    throw MakeTypeError('constructor_not_function', ['WeakMap']);
-  }
-}
-
-
-function WeakMapGet(key) {
-  if (!IS_WEAKMAP(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['WeakMap.prototype.get', this]);
-  }
-  if (!(IS_SPEC_OBJECT(key) || IS_SYMBOL(key))) {
-    throw %MakeTypeError('invalid_weakmap_key', [this, key]);
-  }
-  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) || IS_SYMBOL(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) || IS_SYMBOL(key))) {
-    throw %MakeTypeError('invalid_weakmap_key', [this, key]);
-  }
-  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) || IS_SYMBOL(key))) {
-    throw %MakeTypeError('invalid_weakmap_key', [this, key]);
-  }
-  return %WeakCollectionDelete(this, key);
-}
-
-
-function WeakMapClear() {
-  if (!IS_WEAKMAP(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['WeakMap.prototype.clear', this]);
-  }
-  // Replace the internal table with a new empty table.
-  %WeakCollectionInitialize(this);
-}
-
-
-// -------------------------------------------------------------------
-
-function SetUpWeakMap() {
-  %CheckIsBootstrapping();
-
-  %SetCode($WeakMap, WeakMapConstructor);
-  %FunctionSetPrototype($WeakMap, new $Object());
-  %SetProperty($WeakMap.prototype, "constructor", $WeakMap, DONT_ENUM);
-
-  // Set up the non-enumerable functions on the WeakMap prototype object.
-  InstallFunctions($WeakMap.prototype, DONT_ENUM, $Array(
-    "get", WeakMapGet,
-    "set", WeakMapSet,
-    "has", WeakMapHas,
-    "delete", WeakMapDelete,
-    "clear", WeakMapClear
-  ));
-}
-
-SetUpWeakMap();
-
-
-// -------------------------------------------------------------------
-// Harmony WeakSet
-
-function WeakSetConstructor() {
-  if (%_IsConstructCall()) {
-    %WeakCollectionInitialize(this);
-  } else {
-    throw MakeTypeError('constructor_not_function', ['WeakSet']);
-  }
-}
-
-
-function WeakSetAdd(value) {
-  if (!IS_WEAKSET(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['WeakSet.prototype.add', this]);
-  }
-  if (!(IS_SPEC_OBJECT(value) || IS_SYMBOL(value))) {
-    throw %MakeTypeError('invalid_weakset_value', [this, value]);
-  }
-  return %WeakCollectionSet(this, value, true);
-}
-
-
-function WeakSetHas(value) {
-  if (!IS_WEAKSET(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['WeakSet.prototype.has', this]);
-  }
-  if (!(IS_SPEC_OBJECT(value) || IS_SYMBOL(value))) {
-    throw %MakeTypeError('invalid_weakset_value', [this, value]);
-  }
-  return %WeakCollectionHas(this, value);
-}
-
-
-function WeakSetDelete(value) {
-  if (!IS_WEAKSET(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['WeakSet.prototype.delete', this]);
-  }
-  if (!(IS_SPEC_OBJECT(value) || IS_SYMBOL(value))) {
-    throw %MakeTypeError('invalid_weakset_value', [this, value]);
-  }
-  return %WeakCollectionDelete(this, value);
-}
-
-
-function WeakSetClear() {
-  if (!IS_WEAKSET(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['WeakSet.prototype.clear', this]);
-  }
-  // Replace the internal table with a new empty table.
-  %WeakCollectionInitialize(this);
-}
-
-
-// -------------------------------------------------------------------
-
-function SetUpWeakSet() {
-  %CheckIsBootstrapping();
-
-  %SetCode($WeakSet, WeakSetConstructor);
-  %FunctionSetPrototype($WeakSet, new $Object());
-  %SetProperty($WeakSet.prototype, "constructor", $WeakSet, DONT_ENUM);
-
-  // Set up the non-enumerable functions on the WeakSet prototype object.
-  InstallFunctions($WeakSet.prototype, DONT_ENUM, $Array(
-    "add", WeakSetAdd,
-    "has", WeakSetHas,
-    "delete", WeakSetDelete,
-    "clear", WeakSetClear
-  ));
-}
-
-SetUpWeakSet();