diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/vm/Id.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
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 | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/js/src/vm/Id.cpp b/js/src/vm/Id.cpp new file mode 100644 index 0000000000..a3d46f1786 --- /dev/null +++ b/js/src/vm/Id.cpp @@ -0,0 +1,118 @@ +/* -*- 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/Printer.h" // js::GenericPrinter, js::Fprinter +#include "js/RootingAPI.h" + +#include "vm/JSContext.h" +#include "vm/JSONPrinter.h" // js::JSONPrinter +#include "vm/SymbolType.h" + +#include "vm/JSAtomUtils-inl.h" // AtomToId + +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()); +} + +#if defined(DEBUG) || defined(JS_JITSPEW) + +void JS::PropertyKey::dump() const { + js::Fprinter out(stderr); + dump(out); +} + +void JS::PropertyKey::dump(js::GenericPrinter& out) const { + js::JSONPrinter json(out); + dump(json); + out.put("\n"); +} + +void JS::PropertyKey::dump(js::JSONPrinter& json) const { + json.beginObject(); + dumpFields(json); + json.endObject(); +} + +void JS::PropertyKey::dumpFields(js::JSONPrinter& json) const { + if (isAtom()) { + json.property("type", "atom"); + toAtom()->dumpFields(json); + } else if (isInt()) { + json.property("type", "int"); + json.property("value", toInt()); + } else if (isSymbol()) { + json.property("type", "symbol"); + toSymbol()->dumpFields(json); + } else if (isVoid()) { + json.property("type", "void"); + } else { + json.formatProperty("type", "Unknown(%zx)", size_t(asRawBits())); + } +} + +void JS::PropertyKey::dumpPropertyName(js::GenericPrinter& out) const { + if (isAtom()) { + toAtom()->dumpPropertyName(out); + } else if (isInt()) { + out.printf("%d", toInt()); + } else if (isSymbol()) { + toSymbol()->dumpPropertyName(out); + } else if (isVoid()) { + out.put("(void)"); + } else { + out.printf("Unknown(%zx)", size_t(asRawBits())); + } +} + +void JS::PropertyKey::dumpStringContent(js::GenericPrinter& out) const { + if (isAtom()) { + toAtom()->dumpStringContent(out); + } else if (isInt()) { + out.printf("%d", toInt()); + } else if (isSymbol()) { + toSymbol()->dumpStringContent(out); + } else if (isVoid()) { + out.put("(void)"); + } else { + out.printf("Unknown(%zx)", size_t(asRawBits())); + } +} + +#endif /* defined(DEBUG) || defined(JS_JITSPEW) */ |