js/src/vm/PropertyKey.cpp@6474c204b198 (annotated)
js/src/vm/PropertyKey.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | /* PropertyKey implementation details. */ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "js/PropertyKey.h" |
| michael@0 | 10 | |
| michael@0 | 11 | #include "jsatom.h" |
| michael@0 | 12 | #include "jscntxt.h" |
| michael@0 | 13 | |
| michael@0 | 14 | #include "js/RootingAPI.h" |
| michael@0 | 15 | #include "js/Value.h" |
| michael@0 | 16 | #include "vm/String.h" |
| michael@0 | 17 | |
| michael@0 | 18 | using namespace js; |
| michael@0 | 19 | |
| michael@0 | 20 | bool |
| michael@0 | 21 | JS::detail::ToPropertyKeySlow(JSContext *cx, HandleValue v, PropertyKey *key) |
| michael@0 | 22 | { |
| michael@0 | 23 | MOZ_ASSERT_IF(v.isInt32(), v.toInt32() < 0); |
| michael@0 | 24 | |
| michael@0 | 25 | RootedAtom atom(cx); |
| michael@0 | 26 | if (!ToAtom<CanGC>(cx, v)) |
| michael@0 | 27 | return false; |
| michael@0 | 28 | |
| michael@0 | 29 | uint32_t index; |
| michael@0 | 30 | if (atom->isIndex(&index)) { |
| michael@0 | 31 | *key = PropertyKey(index); |
| michael@0 | 32 | return true; |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | key->v.setString(atom->asPropertyName()); |
| michael@0 | 36 | return true; |
| michael@0 | 37 | } |
