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) { }