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;
}
static bool
PreprocessValue(JSContext *cx, JSObject *holder, KeyType key, Value *vp, StringifyContext *scx)
{
JSString *keyStr = NULL;
/* Step 2. */
if (vp->isObject()) {
Value toJSON;
jsid id = ATOM_TO_JSID(cx->runtime->atomState.toJSONAtom);
if (!js_GetMethod(cx, &vp->toObject(), id, JSGET_NO_METHOD_BARRIER, &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 = 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 = args.rval();
}
/* Step 4. */
if (vp->isObject()) {
JSObject &obj = vp->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(cx, *vp);
if (!str)
return false;
vp->setString(str);
} else if (ObjectClassIs(obj, ESClass_Boolean, cx)) {
if (!BooleanGetPrimitiveValue(cx, obj, vp))
return false;
JS_ASSERT(vp->isBoolean());
}
}
return true;
}
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;
}
bool
js::GetElement(JSContext *cx, Handle<ObjectImpl*> obj, Handle<ObjectImpl*> receiver, uint32_t index,
unsigned resolveFlags, Value *vp)
{
NEW_OBJECT_REPRESENTATION_ONLY();
Rooted<ObjectImpl*> current(cx, obj);
RootedValue getter(cx);
do {
MOZ_ASSERT(current);
if (Downcast(current)->isProxy()) {
MOZ_NOT_REACHED("NYI: proxy [[GetP]]");
return false;
}
PropDesc desc;
if (!GetOwnElement(cx, current, index, resolveFlags, &desc))
return false;
/* No property? Recur or bottom out. */
if (desc.isUndefined()) {
current = current->getProto();
if (current)
continue;
vp->setUndefined();
return true;
}
/* If it's a data property, return the value. */
if (desc.isDataDescriptor()) {
*vp = desc.value();
return true;
}
/* If it's an accessor property, call its [[Get]] with the receiver. */
if (desc.isAccessorDescriptor()) {
getter = desc.getterValue();
if (getter.isUndefined()) {
vp->setUndefined();
return true;
}
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 0, &args))
return false;
/* Push getter, receiver, and no args. */
args.setCallee(getter);
args.setThis(ObjectValue(*current));
bool ok = Invoke(cx, args);
*vp = args.rval();
return ok;
}
/* Otherwise it's a PropertyOp-based property. XXX handle this! */
MOZ_NOT_REACHED("NYI: handle PropertyOp'd properties here");
return false;
} while (false);
MOZ_NOT_REACHED("buggy control flow");
return false;
}
bool
js::GetProperty(JSContext *cx, Handle<ObjectImpl*> obj, Handle<ObjectImpl*> receiver,
Handle<PropertyId> pid, unsigned resolveFlags, MutableHandle<Value> vp)
{
NEW_OBJECT_REPRESENTATION_ONLY();
MOZ_ASSERT(receiver);
Rooted<ObjectImpl*> current(cx, obj);
do {
MOZ_ASSERT(obj);
if (Downcast(current)->isProxy()) {
MOZ_NOT_REACHED("NYI: proxy [[GetP]]");
return false;
}
PropDesc desc;
PropDesc::AutoRooter rootDesc(cx, &desc);
if (!GetOwnProperty(cx, current, pid, resolveFlags, &desc))
return false;
/* No property? Recur or bottom out. */
if (desc.isUndefined()) {
current = current->getProto();
if (current)
continue;
vp.setUndefined();
return true;
}
/* If it's a data property, return the value. */
if (desc.isDataDescriptor()) {
vp.set(desc.value());
return true;
}
/* If it's an accessor property, call its [[Get]] with the receiver. */
if (desc.isAccessorDescriptor()) {
Rooted<Value> get(cx, desc.getterValue());
if (get.isUndefined()) {
vp.setUndefined();
return true;
}
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 0, &args))
return false;
args.setCallee(get);
args.setThis(ObjectValue(*receiver));
bool ok = Invoke(cx, args);
vp.set(args.rval());
return ok;
}
/* Otherwise it's a PropertyOp-based property. XXX handle this! */
MOZ_NOT_REACHED("NYI: handle PropertyOp'd properties here");
return false;
} while (false);
MOZ_NOT_REACHED("buggy control flow");
return false;
}
bool
js::GetElement(JSContext *cx, ObjectImpl *obj, ObjectImpl *receiver, uint32_t index,
Value *vp)
{
NEW_OBJECT_REPRESENTATION_ONLY();
do {
MOZ_ASSERT(obj);
if (static_cast<JSObject *>(obj)->isProxy()) { // XXX
MOZ_NOT_REACHED("NYI: proxy [[GetP]]");
return false;
}
PropDesc desc;
if (!GetOwnElement(cx, obj, index, &desc))
return false;
/* No property? Recur or bottom out. */
if (desc.isUndefined()) {
obj = obj->getProto();
if (obj)
continue;
vp->setUndefined();
return true;
}
/* If it's a data property, return the value. */
if (desc.isDataDescriptor()) {
*vp = desc.value();
return true;
}
/* If it's an accessor property, call its [[Get]] with the receiver. */
if (desc.isAccessorDescriptor()) {
Value get = desc.getterValue();
if (get.isUndefined()) {
vp->setUndefined();
return true;
}
InvokeArgsGuard args;
if (!cx->stack.pushInvokeArgs(cx, 0, &args))
return false;
/* Push get, receiver, and no args. */
args.calleev() = get;
args.thisv() = ObjectValue(*receiver);
bool ok = Invoke(cx, args);
*vp = args.rval();
return ok;
}
/* Otherwise it's a PropertyOp-based property. XXX handle this! */
MOZ_NOT_REACHED("NYI: handle PropertyOp'd properties here");
return false;
} while (false);
MOZ_NOT_REACHED("buggy control flow");
return false;
}
/*
* ES5 15.12.3 Str, steps 2-4, extracted to enable preprocessing of property
* values when stringifying objects in JO.
*/
static bool
PreprocessValue(JSContext *cx, JSObject *holder, jsid key, Value *vp, StringifyContext *scx)
{
JSString *keyStr = NULL;
/* Step 2. */
if (vp->isObject()) {
Value toJSON;
jsid id = ATOM_TO_JSID(cx->runtime->atomState.toJSONAtom);
if (!js_GetMethod(cx, &vp->toObject(), id, JSGET_NO_METHOD_BARRIER, &toJSON))
return false;
if (js_IsCallable(toJSON)) {
keyStr = IdToString(cx, key);
if (!keyStr)
return false;
LeaveTrace(cx);
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 = args.rval();
}
}
/* Step 3. */
if (scx->replacer && scx->replacer->isCallable()) {
if (!keyStr) {
keyStr = IdToString(cx, key);
if (!keyStr)
return false;
}
LeaveTrace(cx);
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 = args.rval();
}
/* Step 4. */
if (vp->isObject()) {
JSObject *obj = &vp->toObject();
Class *clasp = obj->getClass();
if (clasp == &js_NumberClass) {
double d;
if (!ValueToNumber(cx, *vp, &d))
return false;
vp->setNumber(d);
} else if (clasp == &js_StringClass) {
JSString *str = js_ValueToString(cx, *vp);
if (!str)
return false;
vp->setString(str);
} else if (clasp == &js_BooleanClass) {
*vp = obj->getPrimitiveThis();
JS_ASSERT(vp->isBoolean());
}
}
return true;
}