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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/vm/Id.cpp
parentInitial commit. (diff)
downloadfirefox-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.cpp118
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) */