| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| // Specialized .h file to be used by both JS and C++ code. |
| |
| #ifndef builtin_SelfHostingDefines_h |
| #define builtin_SelfHostingDefines_h |
| |
| // Utility macros. |
| #define TO_INT32(x) ((x) | 0) |
| #define TO_UINT32(x) ((x) >>> 0) |
| #define IS_UINT32(x) ((x) >>> 0 === (x)) |
| #define MAX_NUMERIC_INDEX 0x1fffffffffffff // == Math.pow(2, 53) - 1 |
| |
| // Unforgeable versions of ARRAY.push(ELEMENT) and ARRAY.slice. |
| #define ARRAY_PUSH(ARRAY, ELEMENT) \ |
| callFunction(std_Array_push, ARRAY, ELEMENT); |
| #define ARRAY_SLICE(ARRAY, ELEMENT) \ |
| callFunction(std_Array_slice, ARRAY, ELEMENT); |
| |
| // Property descriptor attributes. |
| #define ATTR_ENUMERABLE 0x01 |
| #define ATTR_CONFIGURABLE 0x02 |
| #define ATTR_WRITABLE 0x04 |
| |
| #define ATTR_NONENUMERABLE 0x08 |
| #define ATTR_NONCONFIGURABLE 0x10 |
| #define ATTR_NONWRITABLE 0x20 |
| |
| // The extended slot in which the self-hosted name for self-hosted builtins is |
| // stored. |
| #define LAZY_FUNCTION_NAME_SLOT 0 |
| |
| // Stores the private WeakMap slot used for WeakSets |
| #define WEAKSET_MAP_SLOT 0 |
| |
| #define ITERATOR_SLOT_TARGET 0 |
| // Used for collection iterators. |
| #define ITERATOR_SLOT_RANGE 1 |
| // Used for list, i.e. Array and String, iterators. |
| #define ITERATOR_SLOT_NEXT_INDEX 1 |
| #define ITERATOR_SLOT_ITEM_KIND 2 |
| // Used for ListIterator. |
| #define ITERATOR_SLOT_NEXT_METHOD 2 |
| |
| #define ITEM_KIND_KEY 0 |
| #define ITEM_KIND_VALUE 1 |
| #define ITEM_KIND_KEY_AND_VALUE 2 |
| |
| // NB: keep these in sync with the copy in jsfriendapi.h. |
| #define JSITER_OWNONLY 0x8 /* iterate over obj's own properties only */ |
| #define JSITER_HIDDEN 0x10 /* also enumerate non-enumerable properties */ |
| #define JSITER_SYMBOLS 0x20 /* also include symbol property keys */ |
| #define JSITER_SYMBOLSONLY 0x40 /* exclude string property keys */ |
| |
| #endif |
