/* 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) */
