JSValue JSInjectedScriptHost::functionDetails(ExecState* exec)
{
if (exec->argumentCount() < 1)
return jsUndefined();
JSValue value = exec->argument(0);
if (!value.asCell()->inherits(&JSFunction::s_info))
return jsUndefined();
JSFunction* function = jsCast<JSFunction*>(value);
const SourceCode* sourceCode = function->sourceCode();
if (!sourceCode)
return jsUndefined();
int lineNumber = sourceCode->firstLine();
if (lineNumber)
lineNumber -= 1; // In the inspector protocol all positions are 0-based while in SourceCode they are 1-based
UString scriptId = UString::number(sourceCode->provider()->asID());
JSObject* location = constructEmptyObject(exec);
location->putDirect(exec->globalData(), Identifier(exec, "lineNumber"), jsNumber(lineNumber));
location->putDirect(exec->globalData(), Identifier(exec, "scriptId"), jsString(exec, scriptId));
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->globalData(), Identifier(exec, "location"), location);
UString name = function->name(exec);
if (!name.isEmpty())
result->putDirect(exec->globalData(), Identifier(exec, "name"), jsString(exec, name));
UString displayName = function->displayName(exec);
if (!displayName.isEmpty())
result->putDirect(exec->globalData(), Identifier(exec, "displayName"), jsString(exec, displayName));
// FIXME: provide function scope data in "scopesRaw" property when JSC supports it.
// https://bugs.webkit.org/show_bug.cgi?id=87192
return result;
}
EncodedJSValue JSC_HOST_CALL objectConstructorCreate(ExecState* exec)
{
if (!exec->argument(0).isObject() && !exec->argument(0).isNull())
return throwVMError(exec, createTypeError(exec, ASCIILiteral("Object prototype may only be an Object or null.")));
JSValue proto = exec->argument(0);
JSObject* newObject = proto.isObject()
? constructEmptyObject(exec, asObject(proto))
: constructEmptyObject(exec, exec->lexicalGlobalObject()->nullPrototypeObjectStructure());
if (exec->argument(1).isUndefined())
return JSValue::encode(newObject);
if (!exec->argument(1).isObject())
return throwVMError(exec, createTypeError(exec, ASCIILiteral("Property descriptor list must be an Object.")));
return JSValue::encode(defineProperties(exec, newObject, asObject(exec->argument(1))));
}
JSValue LiteralParser::parseObject()
{
StackGuard guard(this);
if (!guard.isSafe())
return abortParse();
JSObject* object = constructEmptyObject(m_exec);
while (m_lexer.next() == TokString) {
Lexer::LiteralParserToken identifierToken = m_lexer.currentToken();
// Check for colon
if (m_lexer.next() != TokColon)
return abortParse();
m_lexer.next();
JSValue value = parseExpression();
if (!value || m_aborted)
return abortParse();
Identifier ident(m_exec, identifierToken.start + 1, identifierToken.end - identifierToken.start - 2);
object->putDirect(ident, value);
if (m_lexer.currentToken().type != TokComma)
break;
}
if (m_lexer.currentToken().type != TokRBrace)
return abortParse();
m_lexer.next();
return object;
}
JSObject* createIteratorResultObject(ExecState* exec, JSValue value, bool done)
{
JSObject* resultObject = constructEmptyObject(exec);
resultObject->putDirect(exec->vm(), exec->propertyNames().done, jsBoolean(done));
resultObject->putDirect(exec->vm(), exec->propertyNames().value, value);
return resultObject;
}
JSObject* createIteratorResultObject(ExecState* exec, JSValue value, bool done)
{
JSObject* resultObject = constructEmptyObject(exec, exec->lexicalGlobalObject()->iteratorResultObjectStructure());
resultObject->putDirect(exec->vm(), donePropertyOffset, jsBoolean(done));
resultObject->putDirect(exec->vm(), valuePropertyOffset, value);
return resultObject;
}
bool JSFunction::getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
JSFunction* thisObject = jsCast<JSFunction*>(cell);
if (thisObject->isHostFunction())
return Base::getOwnPropertySlot(thisObject, exec, propertyName, slot);
if (propertyName == exec->propertyNames().prototype) {
JSGlobalData& globalData = exec->globalData();
PropertyOffset offset = thisObject->getDirectOffset(globalData, propertyName);
if (!isValidOffset(offset)) {
JSObject* prototype = constructEmptyObject(exec);
prototype->putDirect(globalData, exec->propertyNames().constructor, thisObject, DontEnum);
thisObject->putDirect(globalData, exec->propertyNames().prototype, prototype, DontDelete | DontEnum);
offset = thisObject->getDirectOffset(globalData, exec->propertyNames().prototype);
ASSERT(isValidOffset(offset));
}
slot.setValue(thisObject, thisObject->getDirect(offset), offset);
}
if (propertyName == exec->propertyNames().arguments) {
if (thisObject->jsExecutable()->isStrictMode()) {
bool result = Base::getOwnPropertySlot(thisObject, exec, propertyName, slot);
if (!result) {
thisObject->putDirectAccessor(exec, propertyName, thisObject->globalObject()->throwTypeErrorGetterSetter(exec), DontDelete | DontEnum | Accessor);
result = Base::getOwnPropertySlot(thisObject, exec, propertyName, slot);
ASSERT(result);
}
return result;
}
slot.setCacheableCustom(thisObject, argumentsGetter);
return true;
}
if (propertyName == exec->propertyNames().length) {
slot.setCacheableCustom(thisObject, lengthGetter);
return true;
}
if (propertyName == exec->propertyNames().name) {
slot.setCacheableCustom(thisObject, nameGetter);
return true;
}
if (propertyName == exec->propertyNames().caller) {
if (thisObject->jsExecutable()->isStrictMode()) {
bool result = Base::getOwnPropertySlot(thisObject, exec, propertyName, slot);
if (!result) {
thisObject->putDirectAccessor(exec, propertyName, thisObject->globalObject()->throwTypeErrorGetterSetter(exec), DontDelete | DontEnum | Accessor);
result = Base::getOwnPropertySlot(thisObject, exec, propertyName, slot);
ASSERT(result);
}
return result;
}
slot.setCacheableCustom(thisObject, callerGetter);
return true;
}
return Base::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
EncodedJSValue JSC_HOST_CALL webAssemblyModuleImports(ExecState* exec)
{
VM& vm = exec->vm();
auto* globalObject = exec->lexicalGlobalObject();
auto throwScope = DECLARE_THROW_SCOPE(vm);
JSWebAssemblyModule* module = jsDynamicCast<JSWebAssemblyModule*>(vm, exec->argument(0));
if (!module)
return JSValue::encode(throwException(exec, throwScope, createTypeError(exec, "WebAssembly.Module.imports called with non WebAssembly.Module argument"_s)));
JSArray* result = constructEmptyArray(exec, nullptr, globalObject);
RETURN_IF_EXCEPTION(throwScope, { });
const auto& imports = module->moduleInformation().imports;
if (imports.size()) {
Identifier module = Identifier::fromString(exec, "module");
Identifier name = Identifier::fromString(exec, "name");
Identifier kind = Identifier::fromString(exec, "kind");
for (const Wasm::Import& imp : imports) {
JSObject* obj = constructEmptyObject(exec);
RETURN_IF_EXCEPTION(throwScope, { });
obj->putDirect(vm, module, jsString(exec, String::fromUTF8(imp.module)));
obj->putDirect(vm, name, jsString(exec, String::fromUTF8(imp.field)));
obj->putDirect(vm, kind, jsString(exec, String(makeString(imp.kind))));
result->push(exec, obj);
RETURN_IF_EXCEPTION(throwScope, { });
}
}
return JSValue::encode(result);
}
JSValue Origin::toJS(ExecState* exec) const
{
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->vm(), exec->propertyNames().bytecodesID, jsNumber(m_bytecodes->id()));
result->putDirect(exec->vm(), exec->propertyNames().bytecodeIndex, jsNumber(m_bytecodeIndex));
return result;
}
String JSCryptoKeySerializationJWK::serialize(ExecState* exec, const CryptoKey& key)
{
std::unique_ptr<CryptoKeyData> keyData = key.exportData();
if (!keyData) {
// This generally shouldn't happen as long as all key types implement exportData(), but as underlying libraries return errors, there may be some rare failure conditions.
throwTypeError(exec, "Couldn't export key material");
return String();
}
JSObject* result = constructEmptyObject(exec);
addJWKAlgorithmToJSON(exec, result, key);
if (exec->hadException())
return String();
addBoolToJSON(exec, result, "extractable", key.extractable());
addJWKUseToJSON(exec, result, key.usagesBitmap());
if (exec->hadException())
return String();
if (isCryptoKeyDataOctetSequence(*keyData))
buildJSONForOctetSequence(exec, toCryptoKeyDataOctetSequence(*keyData).octetSequence(), result);
else if (isCryptoKeyDataRSAComponents(*keyData))
buildJSONForRSAComponents(exec, toCryptoKeyDataRSAComponents(*keyData), result);
else {
throwTypeError(exec, "Key doesn't support exportKey");
return String();
}
if (exec->hadException())
return String();
return JSONStringify(exec, result, 4);
}
JSValue JSC_HOST_CALL objectConstructorGetOwnPropertyDescriptor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
{
if (!args.at(0).isObject())
return throwError(exec, TypeError, "Requested property descriptor of a value that is not an object.");
UString propertyName = args.at(1).toString(exec);
if (exec->hadException())
return jsNull();
JSObject* object = asObject(args.at(0));
PropertyDescriptor descriptor;
if (!object->getOwnPropertyDescriptor(exec, Identifier(exec, propertyName), descriptor))
return jsUndefined();
if (exec->hadException())
return jsUndefined();
JSObject* description = constructEmptyObject(exec);
if (!descriptor.isAccessorDescriptor()) {
description->putDirect(exec->propertyNames().value, descriptor.value() ? descriptor.value() : jsUndefined(), 0);
description->putDirect(exec->propertyNames().writable, jsBoolean(descriptor.writable()), 0);
} else {
description->putDirect(exec->propertyNames().get, descriptor.getter() ? descriptor.getter() : jsUndefined(), 0);
description->putDirect(exec->propertyNames().set, descriptor.setter() ? descriptor.setter() : jsUndefined(), 0);
}
description->putDirect(exec->propertyNames().enumerable, jsBoolean(descriptor.enumerable()), 0);
description->putDirect(exec->propertyNames().configurable, jsBoolean(descriptor.configurable()), 0);
return description;
}
JSValue Database::toJS(ExecState* exec) const
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSObject* result = constructEmptyObject(exec);
JSArray* bytecodes = constructEmptyArray(exec, 0);
RETURN_IF_EXCEPTION(scope, JSValue());
for (unsigned i = 0; i < m_bytecodes.size(); ++i)
bytecodes->putDirectIndex(exec, i, m_bytecodes[i].toJS(exec));
result->putDirect(vm, exec->propertyNames().bytecodes, bytecodes);
JSArray* compilations = constructEmptyArray(exec, 0);
RETURN_IF_EXCEPTION(scope, JSValue());
for (unsigned i = 0; i < m_compilations.size(); ++i)
compilations->putDirectIndex(exec, i, m_compilations[i]->toJS(exec));
result->putDirect(vm, exec->propertyNames().compilations, compilations);
JSArray* events = constructEmptyArray(exec, 0);
RETURN_IF_EXCEPTION(scope, JSValue());
for (unsigned i = 0; i < m_events.size(); ++i)
events->putDirectIndex(exec, i, m_events[i].toJS(exec));
result->putDirect(vm, exec->propertyNames().events, events);
return result;
}
JSValue JSInjectedScriptHost::weakSetEntries(ExecState* exec)
{
if (exec->argumentCount() < 1)
return jsUndefined();
JSValue value = exec->uncheckedArgument(0);
JSWeakSet* weakSet = jsDynamicCast<JSWeakSet*>(value);
if (!weakSet)
return jsUndefined();
unsigned fetched = 0;
unsigned numberToFetch = 100;
JSValue numberToFetchArg = exec->argument(1);
double fetchDouble = numberToFetchArg.toInteger(exec);
if (fetchDouble >= 0)
numberToFetch = static_cast<unsigned>(fetchDouble);
JSArray* array = constructEmptyArray(exec, nullptr);
for (auto it = weakSet->weakMapData()->begin(); it != weakSet->weakMapData()->end(); ++it) {
JSObject* entry = constructEmptyObject(exec);
entry->putDirect(exec->vm(), Identifier::fromString(exec, "value"), it->key);
array->putDirectIndex(exec, fetched++, entry);
if (numberToFetch && fetched >= numberToFetch)
break;
}
return array;
}
void JSCryptoKeySerializationJWK::buildJSONForRSAComponents(JSC::ExecState* exec, const CryptoKeyDataRSAComponents& data, JSC::JSObject* result)
{
addToJSON(exec, result, "kty", "RSA");
addToJSON(exec, result, "n", base64URLEncode(data.modulus()));
addToJSON(exec, result, "e", base64URLEncode(data.exponent()));
if (data.type() == CryptoKeyDataRSAComponents::Type::Public)
return;
addToJSON(exec, result, "d", base64URLEncode(data.privateExponent()));
if (!data.hasAdditionalPrivateKeyParameters())
return;
addToJSON(exec, result, "p", base64URLEncode(data.firstPrimeInfo().primeFactor));
addToJSON(exec, result, "q", base64URLEncode(data.secondPrimeInfo().primeFactor));
addToJSON(exec, result, "dp", base64URLEncode(data.firstPrimeInfo().factorCRTExponent));
addToJSON(exec, result, "dq", base64URLEncode(data.secondPrimeInfo().factorCRTExponent));
addToJSON(exec, result, "qi", base64URLEncode(data.secondPrimeInfo().factorCRTCoefficient));
if (data.otherPrimeInfos().isEmpty())
return;
JSArray* oth = constructEmptyArray(exec, 0, exec->lexicalGlobalObject(), data.otherPrimeInfos().size());
for (size_t i = 0, size = data.otherPrimeInfos().size(); i < size; ++i) {
JSObject* jsPrimeInfo = constructEmptyObject(exec);
addToJSON(exec, jsPrimeInfo, "r", base64URLEncode(data.otherPrimeInfos()[i].primeFactor));
addToJSON(exec, jsPrimeInfo, "d", base64URLEncode(data.otherPrimeInfos()[i].factorCRTExponent));
addToJSON(exec, jsPrimeInfo, "t", base64URLEncode(data.otherPrimeInfos()[i].factorCRTCoefficient));
oth->putDirectIndex(exec, i, jsPrimeInfo);
}
result->putDirect(exec->vm(), Identifier(exec, "oth"), oth);
}
JSValue JSCommandLineAPIHost::getEventListeners(ExecState& state)
{
if (state.argumentCount() < 1)
return jsUndefined();
JSValue value = state.uncheckedArgument(0);
if (!value.isObject() || value.isNull())
return jsUndefined();
Node* node = JSNode::toWrapped(value);
if (!node)
return jsUndefined();
Vector<EventListenerInfo> listenersArray;
wrapped().getEventListenersImpl(node, listenersArray);
JSObject* result = constructEmptyObject(&state);
for (size_t i = 0; i < listenersArray.size(); ++i) {
JSArray* listeners = getJSListenerFunctions(state, &node->document(), listenersArray[i]);
if (!listeners->length())
continue;
AtomicString eventType = listenersArray[i].eventType;
result->putDirect(state.vm(), Identifier::fromString(&state, eventType.impl()), JSValue(listeners));
}
return result;
}
static JSObject* constructInternalProperty(ExecState* exec, const String& name, JSValue value)
{
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->vm(), Identifier::fromString(exec, "name"), jsString(exec, name));
result->putDirect(exec->vm(), Identifier::fromString(exec, "value"), value);
return result;
}
static JSArray* getJSListenerFunctions(ExecState& state, Document* document, const EventListenerInfo& listenerInfo)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSArray* result = constructEmptyArray(&state, nullptr);
RETURN_IF_EXCEPTION(scope, nullptr);
size_t handlersCount = listenerInfo.eventListenerVector.size();
for (size_t i = 0, outputIndex = 0; i < handlersCount; ++i) {
const JSEventListener* jsListener = JSEventListener::cast(&listenerInfo.eventListenerVector[i]->callback());
if (!jsListener) {
ASSERT_NOT_REACHED();
continue;
}
// Hide listeners from other contexts.
if (&jsListener->isolatedWorld() != ¤tWorld(&state))
continue;
JSObject* function = jsListener->jsFunction(document);
if (!function)
continue;
JSObject* listenerEntry = constructEmptyObject(&state);
listenerEntry->putDirect(vm, Identifier::fromString(&state, "listener"), function);
listenerEntry->putDirect(vm, Identifier::fromString(&state, "useCapture"), jsBoolean(listenerInfo.eventListenerVector[i]->useCapture()));
result->putDirectIndex(&state, outputIndex++, JSValue(listenerEntry));
}
return result;
}
JSCell* DFG_OPERATION operationNewObject(ExecState* exec)
{
JSGlobalData* globalData = &exec->globalData();
NativeCallFrameTracer tracer(globalData, exec);
return constructEmptyObject(exec);
}
EncodedJSValue JSC_HOST_CALL objectConstructorGetOwnPropertyDescriptor(ExecState* exec)
{
if (!exec->argument(0).isObject())
return throwVMError(exec, createTypeError(exec, ASCIILiteral("Requested property descriptor of a value that is not an object.")));
String propertyName = exec->argument(1).toString(exec)->value(exec);
if (exec->hadException())
return JSValue::encode(jsNull());
JSObject* object = asObject(exec->argument(0));
PropertyDescriptor descriptor;
if (!object->methodTable()->getOwnPropertyDescriptor(object, exec, Identifier(exec, propertyName), descriptor))
return JSValue::encode(jsUndefined());
if (exec->hadException())
return JSValue::encode(jsUndefined());
JSObject* description = constructEmptyObject(exec);
if (!descriptor.isAccessorDescriptor()) {
description->putDirect(exec->vm(), exec->propertyNames().value, descriptor.value() ? descriptor.value() : jsUndefined(), 0);
description->putDirect(exec->vm(), exec->propertyNames().writable, jsBoolean(descriptor.writable()), 0);
} else {
ASSERT(descriptor.getter());
ASSERT(descriptor.setter());
description->putDirect(exec->vm(), exec->propertyNames().get, descriptor.getter(), 0);
description->putDirect(exec->vm(), exec->propertyNames().set, descriptor.setter(), 0);
}
description->putDirect(exec->vm(), exec->propertyNames().enumerable, jsBoolean(descriptor.enumerable()), 0);
description->putDirect(exec->vm(), exec->propertyNames().configurable, jsBoolean(descriptor.configurable()), 0);
return JSValue::encode(description);
}
EncodedJSValue JSC_HOST_CALL IntlCollatorPrototypeFuncResolvedOptions(ExecState* exec)
{
// 10.3.5 Intl.Collator.prototype.resolvedOptions() (ECMA-402 2.0)
IntlCollator* collator = jsDynamicCast<IntlCollator*>(exec->thisValue());
if (!collator)
return JSValue::encode(throwTypeError(exec, ASCIILiteral("Intl.Collator.prototype.resolvedOptions called on value that's not an object initialized as a Collator")));
// The function returns a new object whose properties and attributes are set as if
// constructed by an object literal assigning to each of the following properties the
// value of the corresponding internal slot of this Collator object (see 10.4): locale,
// usage, sensitivity, ignorePunctuation, collation, as well as those properties shown
// in Table 1 whose keys are included in the %Collator%[[relevantExtensionKeys]]
// internal slot of the standard built-in object that is the initial value of
// Intl.Collator.
VM& vm = exec->vm();
JSObject* options = constructEmptyObject(exec);
options->putDirect(vm, vm.propertyNames->locale, jsString(exec, collator->locale()));
options->putDirect(vm, vm.propertyNames->usage, jsString(exec, collator->usage()));
options->putDirect(vm, vm.propertyNames->sensitivity, jsString(exec, collator->sensitivity()));
options->putDirect(vm, vm.propertyNames->ignorePunctuation, jsBoolean(collator->ignorePunctuation()));
options->putDirect(vm, vm.propertyNames->collation, jsString(exec, collator->collation()));
options->putDirect(vm, vm.propertyNames->numeric, jsBoolean(collator->numeric()));
return JSValue::encode(options);
}
JSObject* IntlCollator::resolvedOptions(ExecState& state)
{
// 10.3.5 Intl.Collator.prototype.resolvedOptions() (ECMA-402 2.0)
// The function returns a new object whose properties and attributes are set as if
// constructed by an object literal assigning to each of the following properties the
// value of the corresponding internal slot of this Collator object (see 10.4): locale,
// usage, sensitivity, ignorePunctuation, collation, as well as those properties shown
// in Table 1 whose keys are included in the %Collator%[[relevantExtensionKeys]]
// internal slot of the standard built-in object that is the initial value of
// Intl.Collator.
if (!m_initializedCollator) {
initializeCollator(state, jsUndefined(), jsUndefined());
ASSERT(!state.hadException());
}
VM& vm = state.vm();
JSObject* options = constructEmptyObject(&state);
options->putDirect(vm, vm.propertyNames->locale, jsString(&state, m_locale));
options->putDirect(vm, vm.propertyNames->usage, jsNontrivialString(&state, ASCIILiteral(usageString(m_usage))));
options->putDirect(vm, vm.propertyNames->sensitivity, jsNontrivialString(&state, ASCIILiteral(sensitivityString(m_sensitivity))));
options->putDirect(vm, vm.propertyNames->ignorePunctuation, jsBoolean(m_ignorePunctuation));
options->putDirect(vm, vm.propertyNames->collation, jsString(&state, m_collation));
options->putDirect(vm, vm.propertyNames->numeric, jsBoolean(m_numeric));
return options;
}
static JSArray* getJSListenerFunctions(ExecState* exec, Document* document, const EventListenerInfo& listenerInfo)
{
JSArray* result = constructEmptyArray(exec, nullptr);
size_t handlersCount = listenerInfo.eventListenerVector.size();
for (size_t i = 0, outputIndex = 0; i < handlersCount; ++i) {
const JSEventListener* jsListener = JSEventListener::cast(listenerInfo.eventListenerVector[i].listener.get());
if (!jsListener) {
ASSERT_NOT_REACHED();
continue;
}
// Hide listeners from other contexts.
if (&jsListener->isolatedWorld() != ¤tWorld(exec))
continue;
JSObject* function = jsListener->jsFunction(document);
if (!function)
continue;
JSObject* listenerEntry = constructEmptyObject(exec);
listenerEntry->putDirect(exec->vm(), Identifier::fromString(exec, "listener"), function);
listenerEntry->putDirect(exec->vm(), Identifier::fromString(exec, "useCapture"), jsBoolean(listenerInfo.eventListenerVector[i].useCapture));
result->putDirectIndex(exec, outputIndex++, JSValue(listenerEntry));
}
return result;
}
JSValue JSInjectedScriptHost::getEventListeners(ExecState* exec)
{
if (exec->argumentCount() < 1)
return jsUndefined();
JSValue value = exec->argument(0);
if (!value.isObject() || value.isNull())
return jsUndefined();
Node* node = toNode(value);
if (!node)
return jsUndefined();
// This can only happen for orphan DocumentType nodes.
Document* document = node->document();
if (!node->document())
return jsUndefined();
Vector<EventListenerInfo> listenersArray;
impl()->getEventListenersImpl(node, listenersArray);
JSObject* result = constructEmptyObject(exec);
for (size_t i = 0; i < listenersArray.size(); ++i) {
JSArray* listeners = getJSListenerFunctions(exec, document, listenersArray[i]);
if (!listeners->length())
continue;
AtomicString eventType = listenersArray[i].eventType;
result->putDirect(exec->globalData(), Identifier(exec, eventType.impl()), JSValue(listeners));
}
return result;
}
JSValue JSInjectedScriptHost::functionDetails(ExecState* exec)
{
if (exec->argumentCount() < 1)
return jsUndefined();
JSValue value = exec->uncheckedArgument(0);
if (!value.asCell()->inherits(JSFunction::info()))
return jsUndefined();
// FIXME: This should provide better details for JSBoundFunctions.
JSFunction* function = jsCast<JSFunction*>(value);
const SourceCode* sourceCode = function->sourceCode();
if (!sourceCode)
return jsUndefined();
// In the inspector protocol all positions are 0-based while in SourceCode they are 1-based
int lineNumber = sourceCode->firstLine();
if (lineNumber)
lineNumber -= 1;
int columnNumber = sourceCode->startColumn();
if (columnNumber)
columnNumber -= 1;
VM& vm = exec->vm();
String scriptID = String::number(sourceCode->provider()->asID());
JSObject* location = constructEmptyObject(exec);
location->putDirect(vm, Identifier::fromString(exec, "scriptId"), jsString(exec, scriptID));
location->putDirect(vm, Identifier::fromString(exec, "lineNumber"), jsNumber(lineNumber));
location->putDirect(vm, Identifier::fromString(exec, "columnNumber"), jsNumber(columnNumber));
JSObject* result = constructEmptyObject(exec);
result->putDirect(vm, Identifier::fromString(exec, "location"), location);
String name = function->name();
if (!name.isEmpty())
result->putDirect(vm, Identifier::fromString(exec, "name"), jsString(exec, name));
String displayName = function->displayName(vm);
if (!displayName.isEmpty())
result->putDirect(vm, Identifier::fromString(exec, "displayName"), jsString(exec, displayName));
// FIXME: provide function scope data in "scopesRaw" property when JSC supports it.
// <https://webkit.org/b/87192> [JSC] expose function (closure) inner context to debugger
return result;
}
JSValue JSInjectedScriptHost::iteratorEntries(ExecState* exec)
{
if (exec->argumentCount() < 1)
return jsUndefined();
VM& vm = exec->vm();
JSValue iterator;
JSValue value = exec->uncheckedArgument(0);
if (JSMapIterator* mapIterator = jsDynamicCast<JSMapIterator*>(value))
iterator = mapIterator->clone(exec);
else if (JSSetIterator* setIterator = jsDynamicCast<JSSetIterator*>(value))
iterator = setIterator->clone(exec);
else if (JSStringIterator* stringIterator = jsDynamicCast<JSStringIterator*>(value))
iterator = stringIterator->clone(exec);
else if (JSPropertyNameIterator* propertyNameIterator = jsDynamicCast<JSPropertyNameIterator*>(value)) {
iterator = propertyNameIterator->clone(exec);
if (UNLIKELY(vm.exception()))
return JSValue();
} else {
if (JSObject* iteratorObject = jsDynamicCast<JSObject*>(value)) {
// Array Iterators are created in JS for performance reasons. Thus the only way to know we have one is to
// look for a property that is unique to them.
if (JSValue nextIndex = iteratorObject->getDirect(vm, vm.propertyNames->builtinNames().arrayIteratorNextIndexPrivateName()))
iterator = cloneArrayIteratorObject(exec, vm, iteratorObject, nextIndex);
}
}
if (!iterator)
return jsUndefined();
unsigned numberToFetch = 5;
JSValue numberToFetchArg = exec->argument(1);
double fetchDouble = numberToFetchArg.toInteger(exec);
if (fetchDouble >= 0)
numberToFetch = static_cast<unsigned>(fetchDouble);
JSArray* array = constructEmptyArray(exec, nullptr);
if (UNLIKELY(vm.exception()))
return jsUndefined();
for (unsigned i = 0; i < numberToFetch; ++i) {
JSValue next = iteratorStep(exec, iterator);
if (UNLIKELY(vm.exception()))
break;
if (next.isFalse())
break;
JSValue nextValue = iteratorValue(exec, next);
if (UNLIKELY(vm.exception()))
break;
JSObject* entry = constructEmptyObject(exec);
entry->putDirect(exec->vm(), Identifier::fromString(exec, "value"), nextValue);
array->putDirectIndex(exec, i, entry);
}
iteratorClose(exec, iterator);
return array;
}
JSValue Bytecode::toJS(ExecState* exec) const
{
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->globalData(), exec->propertyNames().bytecodeIndex, jsNumber(m_bytecodeIndex));
result->putDirect(exec->globalData(), exec->propertyNames().opcode, jsString(exec, String::fromUTF8(opcodeNames[m_opcodeID])));
result->putDirect(exec->globalData(), exec->propertyNames().description, jsString(exec, String::fromUTF8(m_description)));
return result;
}
static JSObject* createRotationRateObject(const DeviceMotionData::RotationRate* rotationRate, ExecState* exec)
{
JSObject* object = constructEmptyObject(exec);
object->putDirect(exec->globalData(), Identifier(exec, "alpha"), rotationRate->canProvideAlpha() ? jsNumber(rotationRate->alpha()) : jsNull());
object->putDirect(exec->globalData(), Identifier(exec, "beta"), rotationRate->canProvideBeta() ? jsNumber(rotationRate->beta()) : jsNull());
object->putDirect(exec->globalData(), Identifier(exec, "gamma"), rotationRate->canProvideGamma() ? jsNumber(rotationRate->gamma()) : jsNull());
return object;
}
static JSObject* createAccelerationObject(const DeviceMotionData::Acceleration* acceleration, ExecState& state)
{
JSObject* object = constructEmptyObject(&state);
object->putDirect(state.vm(), Identifier::fromString(&state, "x"), acceleration->canProvideX() ? jsNumber(acceleration->x()) : jsNull());
object->putDirect(state.vm(), Identifier::fromString(&state, "y"), acceleration->canProvideY() ? jsNumber(acceleration->y()) : jsNull());
object->putDirect(state.vm(), Identifier::fromString(&state, "z"), acceleration->canProvideZ() ? jsNumber(acceleration->z()) : jsNull());
return object;
}
static JSObject* createAccelerationObject(const DeviceMotionData::Acceleration* acceleration, ExecState* exec)
{
JSObject* object = constructEmptyObject(exec);
object->putDirect(exec->globalData(), Identifier(exec, "x"), acceleration->canProvideX() ? jsNumber(acceleration->x()) : jsNull());
object->putDirect(exec->globalData(), Identifier(exec, "y"), acceleration->canProvideY() ? jsNumber(acceleration->y()) : jsNull());
object->putDirect(exec->globalData(), Identifier(exec, "z"), acceleration->canProvideZ() ? jsNumber(acceleration->z()) : jsNull());
return object;
}
static JSObject* createRotationRateObject(const DeviceMotionData::RotationRate* rotationRate, ExecState& state)
{
JSObject* object = constructEmptyObject(&state);
object->putDirect(state.vm(), Identifier::fromString(&state, "alpha"), rotationRate->canProvideAlpha() ? jsNumber(rotationRate->alpha()) : jsNull());
object->putDirect(state.vm(), Identifier::fromString(&state, "beta"), rotationRate->canProvideBeta() ? jsNumber(rotationRate->beta()) : jsNull());
object->putDirect(state.vm(), Identifier::fromString(&state, "gamma"), rotationRate->canProvideGamma() ? jsNumber(rotationRate->gamma()) : jsNull());
return object;
}
JSValue Compilation::toJS(ExecState* exec) const
{
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->vm(), exec->propertyNames().bytecodesID, jsNumber(m_bytecodes->id()));
result->putDirect(exec->vm(), exec->propertyNames().compilationKind, jsString(exec, String::fromUTF8(toCString(m_kind))));
JSArray* profiledBytecodes = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_profiledBytecodes.size(); ++i)
profiledBytecodes->putDirectIndex(exec, i, m_profiledBytecodes[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().profiledBytecodes, profiledBytecodes);
JSArray* descriptions = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_descriptions.size(); ++i)
descriptions->putDirectIndex(exec, i, m_descriptions[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().descriptions, descriptions);
JSArray* counters = constructEmptyArray(exec, 0);
for (auto it = m_counters.begin(), end = m_counters.end(); it != end; ++it) {
JSObject* counterEntry = constructEmptyObject(exec);
counterEntry->putDirect(exec->vm(), exec->propertyNames().origin, it->key.toJS(exec));
counterEntry->putDirect(exec->vm(), exec->propertyNames().executionCount, jsNumber(it->value->count()));
counters->push(exec, counterEntry);
}
result->putDirect(exec->vm(), exec->propertyNames().counters, counters);
JSArray* exitSites = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_osrExitSites.size(); ++i)
exitSites->putDirectIndex(exec, i, m_osrExitSites[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().osrExitSites, exitSites);
JSArray* exits = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_osrExits.size(); ++i)
exits->putDirectIndex(exec, i, m_osrExits[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().osrExits, exits);
result->putDirect(exec->vm(), exec->propertyNames().numInlinedGetByIds, jsNumber(m_numInlinedGetByIds));
result->putDirect(exec->vm(), exec->propertyNames().numInlinedPutByIds, jsNumber(m_numInlinedPutByIds));
result->putDirect(exec->vm(), exec->propertyNames().numInlinedCalls, jsNumber(m_numInlinedCalls));
result->putDirect(exec->vm(), exec->propertyNames().jettisonReason, jsString(exec, String::fromUTF8(toCString(m_jettisonReason))));
if (!m_additionalJettisonReason.isNull())
result->putDirect(exec->vm(), exec->propertyNames().additionalJettisonReason, jsString(exec, String::fromUTF8(m_additionalJettisonReason)));
return result;
}
