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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/vm/Id.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/vm/Id.cpp')
-rw-r--r-- | js/src/vm/Id.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/vm/Id.cpp b/js/src/vm/Id.cpp new file mode 100644 index 0000000000..ee713fa9d0 --- /dev/null +++ b/js/src/vm/Id.cpp @@ -0,0 +1,50 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * 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/. */ + +#include "js/Id.h" +#include "js/RootingAPI.h" + +#include "vm/JSContext.h" +#include "vm/SymbolType.h" + +#include "vm/JSAtom-inl.h" + +using namespace js; + +static const JS::PropertyKey voidKeyValue = JS::PropertyKey::Void(); + +const JS::HandleId JS::VoidHandlePropertyKey = + JS::HandleId::fromMarkedLocation(&voidKeyValue); + +bool JS::PropertyKey::isPrivateName() const { + return isSymbol() && toSymbol()->isPrivateName(); +} + +bool JS::PropertyKey::isWellKnownSymbol(JS::SymbolCode code) const { + MOZ_ASSERT(uint32_t(code) < WellKnownSymbolLimit); + if (!isSymbol()) { + return false; + } + return toSymbol()->code() == code; +} + +/* static */ JS::PropertyKey JS::PropertyKey::fromPinnedString(JSString* str) { + MOZ_ASSERT(AtomIsPinned(TlsContext.get(), &str->asAtom())); + return js::AtomToId(&str->asAtom()); +} + +/* static */ bool JS::PropertyKey::isNonIntAtom(JSAtom* atom) { + uint32_t index; + if (!atom->isIndex(&index)) { + return true; + } + static_assert(PropertyKey::IntMin == 0); + return index > PropertyKey::IntMax; +} + +/* static */ bool JS::PropertyKey::isNonIntAtom(JSString* str) { + return JS::PropertyKey::isNonIntAtom(&str->asAtom()); +} |