bool
js::SetPropertyIgnoringNamedGetter(JSContext* cx, const BaseProxyHandler* handler,
HandleObject proxy, HandleObject receiver,
HandleId id, MutableHandle<PropertyDescriptor> desc,
bool descIsOwn, bool strict, MutableHandleValue vp)
{
/* The control-flow here differs from ::get() because of the fall-through case below. */
MOZ_ASSERT_IF(descIsOwn, desc.object());
if (desc.object()) {
MOZ_ASSERT(desc.getter() != JS_PropertyStub);
MOZ_ASSERT(desc.setter() != JS_StrictPropertyStub);
// Check for read-only properties.
if (desc.isReadonly()) {
if (strict)
return Throw(cx, id, descIsOwn ? JSMSG_READ_ONLY : JSMSG_CANT_REDEFINE_PROP);
return true;
}
if (desc.hasSetterObject() || desc.setter()) {
if (!CallSetter(cx, receiver, id, desc.setter(), desc.attributes(), strict, vp))
return false;
if (!proxy->is<ProxyObject>() || proxy->as<ProxyObject>().handler() != handler)
return true;
if (desc.isShared())
return true;
}
desc.value().set(vp.get());
if (descIsOwn) {
MOZ_ASSERT(desc.object() == proxy);
return handler->defineProperty(cx, proxy, id, desc);
}
return DefineProperty(cx, receiver, id, desc.value(),
desc.getter(), desc.setter(), desc.attributes());
}
desc.object().set(receiver);
desc.value().set(vp.get());
desc.setAttributes(JSPROP_ENUMERATE);
desc.setGetter(nullptr);
desc.setSetter(nullptr); // Pick up the class getter/setter.
return DefineProperty(cx, receiver, id, desc.value(), nullptr, nullptr, JSPROP_ENUMERATE);
}
static bool
PreprocessValue(JSContext* cx, HandleObject holder, KeyType key, MutableHandleValue vp, StringifyContext* scx)
{
RootedString keyStr(cx);
/* Step 2. */
if (vp.isObject()) {
RootedValue toJSON(cx);
RootedObject obj(cx, &vp.toObject());
if (!GetProperty(cx, obj, obj, cx->names().toJSON, &toJSON))
return false;
if (IsCallable(toJSON)) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
InvokeArgs args(cx);
if (!args.init(1))
return false;
args.setCallee(toJSON);
args.setThis(vp);
args[0].setString(keyStr);
if (!Invoke(cx, args))
return false;
vp.set(args.rval());
}
}
/* Step 3. */
if (scx->replacer && scx->replacer->isCallable()) {
if (!keyStr) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
}
InvokeArgs args(cx);
if (!args.init(2))
return false;
args.setCallee(ObjectValue(*scx->replacer));
args.setThis(ObjectValue(*holder));
args[0].setString(keyStr);
args[1].set(vp);
if (!Invoke(cx, args))
return false;
vp.set(args.rval());
}
/* Step 4. */
if (vp.get().isObject()) {
RootedObject obj(cx, &vp.get().toObject());
if (ObjectClassIs(obj, ESClass_Number, cx)) {
double d;
if (!ToNumber(cx, vp, &d))
return false;
vp.setNumber(d);
} else if (ObjectClassIs(obj, ESClass_String, cx)) {
JSString* str = ToStringSlow<CanGC>(cx, vp);
if (!str)
return false;
vp.setString(str);
} else if (ObjectClassIs(obj, ESClass_Boolean, cx)) {
if (!Unbox(cx, obj, vp))
return false;
}
}
return true;
}
static bool
PreprocessValue(JSContext *cx, JSObject *holder, KeyType key, MutableHandleValue vp, StringifyContext *scx)
{
JSString *keyStr = NULL;
/* Step 2. */
if (vp.get().isObject()) {
Value toJSON;
RootedId id(cx, NameToId(cx->runtime->atomState.toJSONAtom));
Rooted<JSObject*> obj(cx, &vp.get().toObject());
if (!GetMethod(cx, obj, id, 0, &toJSON))
return false;
if (js_IsCallable(toJSON)) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 1, &args))
return false;
args.calleev() = toJSON;
args.thisv() = vp;
args[0] = StringValue(keyStr);
if (!Invoke(cx, args))
return false;
vp.set(args.rval());
}
}
/* Step 3. */
if (scx->replacer && scx->replacer->isCallable()) {
if (!keyStr) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
}
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 2, &args))
return false;
args.calleev() = ObjectValue(*scx->replacer);
args.thisv() = ObjectValue(*holder);
args[0] = StringValue(keyStr);
args[1] = vp;
if (!Invoke(cx, args))
return false;
vp.set(args.rval());
}
/* Step 4. */
if (vp.get().isObject()) {
JSObject &obj = vp.get().toObject();
if (ObjectClassIs(obj, ESClass_Number, cx)) {
double d;
if (!ToNumber(cx, vp, &d))
return false;
vp.set(NumberValue(d));
} else if (ObjectClassIs(obj, ESClass_String, cx)) {
JSString *str = ToStringSlow(cx, vp);
if (!str)
return false;
vp.set(StringValue(str));
} else if (ObjectClassIs(obj, ESClass_Boolean, cx)) {
if (!BooleanGetPrimitiveValue(cx, obj, vp.address()))
return false;
JS_ASSERT(vp.get().isBoolean());
}
}
return true;
}
bool
js::SetPropertyIgnoringNamedGetter(JSContext *cx, const BaseProxyHandler *handler,
HandleObject proxy, HandleObject receiver,
HandleId id, MutableHandle<PropertyDescriptor> desc,
bool descIsOwn, bool strict, MutableHandleValue vp)
{
/* The control-flow here differs from ::get() because of the fall-through case below. */
if (descIsOwn) {
MOZ_ASSERT(desc.object());
// Check for read-only properties.
if (desc.isReadonly())
return strict ? Throw(cx, id, JSMSG_READ_ONLY) : true;
if (!desc.setter()) {
// Be wary of the odd explicit undefined setter case possible through
// Object.defineProperty.
if (!desc.hasSetterObject())
desc.setSetter(JS_StrictPropertyStub);
} else if (desc.hasSetterObject() || desc.setter() != JS_StrictPropertyStub) {
if (!CallSetter(cx, receiver, id, desc.setter(), desc.attributes(), strict, vp))
return false;
if (!proxy->is<ProxyObject>() || proxy->as<ProxyObject>().handler() != handler)
return true;
if (desc.isShared())
return true;
}
if (!desc.getter()) {
// Same as above for the null setter case.
if (!desc.hasGetterObject())
desc.setGetter(JS_PropertyStub);
}
desc.value().set(vp.get());
return handler->defineProperty(cx, receiver, id, desc);
}
if (desc.object()) {
// Check for read-only properties.
if (desc.isReadonly())
return strict ? Throw(cx, id, JSMSG_CANT_REDEFINE_PROP) : true;
if (!desc.setter()) {
// Be wary of the odd explicit undefined setter case possible through
// Object.defineProperty.
if (!desc.hasSetterObject())
desc.setSetter(JS_StrictPropertyStub);
} else if (desc.hasSetterObject() || desc.setter() != JS_StrictPropertyStub) {
if (!CallSetter(cx, receiver, id, desc.setter(), desc.attributes(), strict, vp))
return false;
if (!proxy->is<ProxyObject>() || proxy->as<ProxyObject>().handler() != handler)
return true;
if (desc.isShared())
return true;
}
if (!desc.getter()) {
// Same as above for the null setter case.
if (!desc.hasGetterObject())
desc.setGetter(JS_PropertyStub);
}
desc.value().set(vp.get());
return JSObject::defineGeneric(cx, receiver, id, desc.value(),
desc.getter(), desc.setter(), desc.attributes());
}
desc.object().set(receiver);
desc.value().set(vp.get());
desc.setAttributes(JSPROP_ENUMERATE);
desc.setGetter(nullptr);
desc.setSetter(nullptr); // Pick up the class getter/setter.
return JSObject::defineGeneric(cx, receiver, id, desc.value(), nullptr, nullptr,
JSPROP_ENUMERATE);
}
static bool
PreprocessValue(JSContext *cx, HandleObject holder, KeyType key, MutableHandleValue vp, StringifyContext *scx)
{
RootedString keyStr(cx);
/* Step 2. */
if (vp.isObject()) {
RootedValue toJSON(cx);
RootedObject obj(cx, &vp.toObject());
if (!JSObject::getProperty(cx, obj, obj, cx->names().toJSON, &toJSON))
return false;
if (js_IsCallable(toJSON)) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 1, &args))
return false;
args.setCallee(toJSON);
args.setThis(vp);
args[0] = StringValue(keyStr);
if (!Invoke(cx, args))
return false;
vp.set(args.rval());
}
}
/* Step 3. */
if (scx->replacer && scx->replacer->isCallable()) {
if (!keyStr) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
}
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 2, &args))
return false;
args.setCallee(ObjectValue(*scx->replacer));
args.setThis(ObjectValue(*holder));
args[0] = StringValue(keyStr);
args[1] = vp;
if (!Invoke(cx, args))
return false;
vp.set(args.rval());
}
/* Step 4. */
if (vp.get().isObject()) {
RootedObject obj(cx, &vp.get().toObject());
if (ObjectClassIs(obj, ESClass_Number, cx)) {
double d;
if (!ToNumber(cx, vp, &d))
return false;
vp.set(NumberValue(d));
} else if (ObjectClassIs(obj, ESClass_String, cx)) {
JSString *str = ToStringSlow<CanGC>(cx, vp);
if (!str)
return false;
vp.set(StringValue(str));
} else if (ObjectClassIs(obj, ESClass_Boolean, cx)) {
if (!BooleanGetPrimitiveValue(cx, obj, vp.address()))
return false;
JS_ASSERT(vp.get().isBoolean());
}
}
return true;
}
static bool
PreprocessValue(JSContext* cx, HandleObject holder, KeyType key, MutableHandleValue vp, StringifyContext* scx)
{
// We don't want to do any preprocessing here if scx->maybeSafely,
// since the stuff we do here can have side-effects.
if (scx->maybeSafely)
return true;
RootedString keyStr(cx);
/* Step 2. */
if (vp.isObject()) {
RootedValue toJSON(cx);
RootedObject obj(cx, &vp.toObject());
if (!GetProperty(cx, obj, obj, cx->names().toJSON, &toJSON))
return false;
if (IsCallable(toJSON)) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
RootedValue arg0(cx, StringValue(keyStr));
if (!js::Call(cx, toJSON, vp, arg0, vp))
return false;
}
}
/* Step 3. */
if (scx->replacer && scx->replacer->isCallable()) {
if (!keyStr) {
keyStr = KeyStringifier<KeyType>::toString(cx, key);
if (!keyStr)
return false;
}
RootedValue arg0(cx, StringValue(keyStr));
RootedValue replacerVal(cx, ObjectValue(*scx->replacer));
if (!js::Call(cx, replacerVal, holder, arg0, vp, vp))
return false;
}
/* Step 4. */
if (vp.get().isObject()) {
RootedObject obj(cx, &vp.get().toObject());
ESClass cls;
if (!GetBuiltinClass(cx, obj, &cls))
return false;
if (cls == ESClass::Number) {
double d;
if (!ToNumber(cx, vp, &d))
return false;
vp.setNumber(d);
} else if (cls == ESClass::String) {
JSString* str = ToStringSlow<CanGC>(cx, vp);
if (!str)
return false;
vp.setString(str);
} else if (cls == ESClass::Boolean) {
if (!Unbox(cx, obj, vp))
return false;
}
}
return true;
}