PassRefPtr<ScriptCallStack> createScriptCallStackFromException(JSC::ExecState* exec, JSC::JSValue& exception, size_t maxStackSize)
{
Vector<ScriptCallFrame> frames;
RefCountedArray<StackFrame> stackTrace = exec->vm().exceptionStack();
for (size_t i = 0; i < stackTrace.size() && i < maxStackSize; i++) {
if (!stackTrace[i].callee && frames.size())
break;
String functionName = stackTrace[i].friendlyFunctionName(exec);
unsigned line;
unsigned column;
stackTrace[i].computeLineAndColumn(line, column);
frames.append(ScriptCallFrame(functionName, stackTrace[i].sourceURL, line, column));
}
// FIXME: <http://webkit.org/b/115087> Web Inspector: WebCore::reportException should not evaluate JavaScript handling exceptions
// Fallback to getting at least the line and sourceURL from the exception if it has values and the exceptionStack doesn't.
if (frames.size() > 0) {
const ScriptCallFrame& firstCallFrame = frames.first();
JSObject* exceptionObject = exception.toObject(exec);
if (exception.isObject() && firstCallFrame.sourceURL().isEmpty()) {
JSValue lineValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "line"));
int lineNumber = lineValue && lineValue.isNumber() ? int(lineValue.toNumber(exec)) : 0;
JSValue sourceURLValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "sourceURL"));
String exceptionSourceURL = sourceURLValue && sourceURLValue.isString() ? sourceURLValue.toString(exec)->value(exec) : ASCIILiteral("undefined");
frames[0] = ScriptCallFrame(firstCallFrame.functionName(), exceptionSourceURL, lineNumber, 0);
}
}
return ScriptCallStack::create(frames);
}
void DragData::asFilenames(Vector<String>& result) const
{
bool success;
JSC::JSValue data = m_platformDragData->getData(ClipboardApolloHelper::FILE_LIST_TYPE, success);
JSC::ExecState *exec = m_platformDragData->execState();
if (success && data.isObject()) {
JSC::JSObject* filenameArray = data.toObject(exec);
uint32_t length = filenameArray->get(exec, JSC::Identifier(exec, "length")).toUInt32(exec);
for (uint32_t i=0; i<length; i++) {
JSC::JSValue fileValue = filenameArray->get(exec, i);
if (fileValue.isObject()) {
JSC::JSObject* file = fileValue.toObject(exec);
JSC::JSValue pathValue = file->get(exec, JSC::Identifier(exec, "nativePath"));
if (pathValue.isString()) {
String path = ustringToString(pathValue.toString(exec));
result.append(path);
}
}
}
}
if (exec->hadException())
exec->clearException();
}
JSType JSValueGetType(JSContextRef, JSValueRef value)
{
JSC::JSValue* jsValue = toJS(value);
if (jsValue->isUndefined())
return kJSTypeUndefined;
if (jsValue->isNull())
return kJSTypeNull;
if (jsValue->isBoolean())
return kJSTypeBoolean;
if (jsValue->isNumber())
return kJSTypeNumber;
if (jsValue->isString())
return kJSTypeString;
ASSERT(jsValue->isObject());
return kJSTypeObject;
}
bool toVector(JSC::ExecState* exec, JSC::JSValue value, Vector<T, inlineCapacity>& vector)
{
if (!value.isObject())
return false;
JSC::JSObject* object = asObject(value);
int32_t length = object->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
vector.resize(length);
for (int32_t i = 0; i < length; ++i) {
JSC::JSValue v = object->get(exec, i);
if (exec->hadException())
return false;
vector[i] = static_cast<T>(v.toNumber(exec));
}
return true;
}
JSType JSValueGetType(JSContextRef ctx, JSValueRef value)
{
JSC::ExecState* exec = toJS(ctx);
exec->globalData().heap.registerThread();
JSC::JSLock lock(exec);
JSC::JSValue jsValue = toJS(exec, value);
if (jsValue.isUndefined())
return kJSTypeUndefined;
if (jsValue.isNull())
return kJSTypeNull;
if (jsValue.isBoolean())
return kJSTypeBoolean;
if (jsValue.isNumber())
return kJSTypeNumber;
if (jsValue.isString())
return kJSTypeString;
ASSERT(jsValue.isObject());
return kJSTypeObject;
}
bool toVector(JSC::ExecState& state, JSC::JSValue value, Vector<T, inlineCapacity>& vector)
{
if (!value.isObject())
return false;
JSC::JSObject* object = asObject(value);
int32_t length = object->get(&state, state.vm().propertyNames->length).toInt32(&state);
if (!vector.tryReserveCapacity(length))
return false;
vector.resize(length);
for (int32_t i = 0; i < length; ++i) {
JSC::JSValue v = object->get(&state, i);
if (state.hadException())
return false;
vector[i] = static_cast<T>(v.toNumber(&state));
}
return true;
}
static JSC::JSValue JSC_HOST_CALL variantProtoFuncToString(JSC::ExecState *exec, JSC::JSObject *callee,
JSC::JSValue thisValue, const JSC::ArgList &args)
{
QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
thisValue = engine->toUsableValue(thisValue);
if (!thisValue.inherits(&QScriptObject::info))
return throwError(exec, JSC::TypeError, "This object is not a QVariant");
QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate();
if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant))
return throwError(exec, JSC::TypeError, "This object is not a QVariant");
const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value();
JSC::UString result;
JSC::JSValue value = variantProtoFuncValueOf(exec, callee, thisValue, args);
if (value.isObject()) {
result = v.toString();
if (result.isEmpty() && !v.canConvert(QVariant::String))
result = QString::fromLatin1("QVariant(%0)").arg(QString::fromLatin1(v.typeName()));
} else {
result = value.toString(exec);
}
return JSC::jsString(exec, result);
}
void toArray(JSC::ExecState* exec, JSC::JSValue value, T*& array, int& size)
{
array = 0;
if (!value.isObject())
return;
JSC::JSObject* object = asObject(value);
int length = object->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
void* tempValues;
if (!tryFastMalloc(length * sizeof(T)).getValue(tempValues))
return;
T* values = static_cast<T*>(tempValues);
for (int i = 0; i < length; ++i) {
JSC::JSValue v = object->get(exec, i);
if (exec->hadException())
return;
values[i] = static_cast<T>(v.toNumber(exec));
}
array = values;
size = length;
}
static inline RefPtr<JSEventListener> createEventListenerForEventHandlerAttribute(JSC::ExecState& state, JSC::JSValue listener, JSC::JSObject& wrapper)
{
if (!listener.isObject())
return nullptr;
return JSEventListener::create(asObject(listener), &wrapper, true, currentWorld(&state));
}
Dictionary::Dictionary(JSC::ExecState* exec, JSC::JSValue value)
: m_dictionary(exec, value.isObject() ? value.getObject() : 0)
{
}
