ALWAYS_INLINE static void visitChildren(SlotVisitor& visitor, const JSCell* cell)
{
#if ENABLE(SIMPLE_HEAP_PROFILING)
m_visitedTypeCounts.count(cell);
#endif
ASSERT(Heap::isMarked(cell));
if (isJSString(cell)) {
JSString::visitChildren(const_cast<JSCell*>(cell), visitor);
return;
}
if (isJSFinalObject(cell)) {
JSObject::visitChildren(const_cast<JSCell*>(cell), visitor);
return;
}
if (isJSArray(cell)) {
JSArray::visitChildren(const_cast<JSCell*>(cell), visitor);
return;
}
cell->methodTable()->visitChildren(const_cast<JSCell*>(cell), visitor);
}
String JSFunction::displayName(ExecState* exec)
{
JSValue displayName = getDirect(exec->globalData(), exec->globalData().propertyNames->displayName);
if (displayName && isJSString(displayName))
return asString(displayName)->tryGetValue();
return String();
}
const UString InternalFunction::displayName(JSGlobalData* globalData)
{
JSValue displayName = getDirect(globalData->propertyNames->displayName);
if (displayName && isJSString(globalData, displayName))
return asString(displayName)->value();
return UString::null();
}
const String InternalFunction::displayName(ExecState* exec)
{
JSValue displayName = getDirect(exec->vm(), exec->vm().propertyNames->displayName);
if (displayName && isJSString(displayName))
return asString(displayName)->tryGetValue();
return String();
}
const UString InternalFunction::displayName(ExecState* exec)
{
JSValue displayName = getDirect(exec->globalData().propertyNames->displayName);
if (displayName && isJSString(&exec->globalData(), displayName))
return asString(displayName)->value(exec);
return UString::null();
}
static ALWAYS_INLINE EncodedJSValue getByVal(ExecState* exec, JSCell* base, uint32_t index)
{
VM& vm = exec->vm();
NativeCallFrameTracer tracer(&vm, exec);
if (base->isObject()) {
JSObject* object = asObject(base);
if (object->canGetIndexQuickly(index))
return JSValue::encode(object->getIndexQuickly(index));
}
if (isJSString(base) && asString(base)->canGetIndex(index))
return JSValue::encode(asString(base)->getIndex(exec, index));
return JSValue::encode(JSValue(base).get(exec, index));
}
static inline EncodedJSValue getByVal(ExecState* exec, JSCell* base, uint32_t index)
{
// FIXME: the JIT used to handle these in compiled code!
if (isJSArray(base) && asArray(base)->canGetIndex(index))
return JSValue::encode(asArray(base)->getIndex(index));
// FIXME: the JITstub used to relink this to an optimized form!
if (isJSString(base) && asString(base)->canGetIndex(index))
return JSValue::encode(asString(base)->getIndex(exec, index));
// FIXME: the JITstub used to relink this to an optimized form!
if (isJSByteArray(base) && asByteArray(base)->canAccessIndex(index))
return JSValue::encode(asByteArray(base)->getIndex(exec, index));
return JSValue::encode(JSValue(base).get(exec, index));
}
EncodedJSValue operationGetByVal(ExecState* exec, EncodedJSValue encodedBase, EncodedJSValue encodedProperty)
{
JSValue baseValue = JSValue::decode(encodedBase);
JSValue property = JSValue::decode(encodedProperty);
if (LIKELY(baseValue.isCell())) {
JSCell* base = baseValue.asCell();
if (property.isUInt32()) {
JSGlobalData* globalData = &exec->globalData();
uint32_t i = property.asUInt32();
// FIXME: the JIT used to handle these in compiled code!
if (isJSArray(globalData, base) && asArray(base)->canGetIndex(i))
return JSValue::encode(asArray(base)->getIndex(i));
// FIXME: the JITstub used to relink this to an optimized form!
if (isJSString(globalData, base) && asString(base)->canGetIndex(i))
return JSValue::encode(asString(base)->getIndex(exec, i));
// FIXME: the JITstub used to relink this to an optimized form!
if (isJSByteArray(globalData, base) && asByteArray(base)->canAccessIndex(i))
return JSValue::encode(asByteArray(base)->getIndex(exec, i));
return JSValue::encode(baseValue.get(exec, i));
}
if (property.isString()) {
Identifier propertyName(exec, asString(property)->value(exec));
PropertySlot slot(base);
if (base->fastGetOwnPropertySlot(exec, propertyName, slot))
return JSValue::encode(slot.getValue(exec, propertyName));
}
}
Identifier ident(exec, property.toString(exec));
return JSValue::encode(baseValue.get(exec, ident));
}
ALWAYS_INLINE static void visitChildren(SlotVisitor& visitor, const JSCell* cell)
{
StackStats::probe();
ASSERT(Heap::isMarked(cell));
if (isJSString(cell)) {
JSString::visitChildren(const_cast<JSCell*>(cell), visitor);
return;
}
if (isJSFinalObject(cell)) {
JSFinalObject::visitChildren(const_cast<JSCell*>(cell), visitor);
return;
}
if (isJSArray(cell)) {
JSArray::visitChildren(const_cast<JSCell*>(cell), visitor);
return;
}
cell->methodTable()->visitChildren(const_cast<JSCell*>(cell), visitor);
}
ALWAYS_INLINE void SlotVisitor::visitChildren(const JSCell* cell)
{
ASSERT(Heap::isMarked(cell));
m_currentObjectCellStateBeforeVisiting = cell->cellState();
cell->setCellState(CellState::OldBlack);
if (isJSString(cell)) {
JSString::visitChildren(const_cast<JSCell*>(cell), *this);
return;
}
if (isJSFinalObject(cell)) {
JSFinalObject::visitChildren(const_cast<JSCell*>(cell), *this);
return;
}
if (isJSArray(cell)) {
JSArray::visitChildren(const_cast<JSCell*>(cell), *this);
return;
}
cell->methodTable()->visitChildren(const_cast<JSCell*>(cell), *this);
}
