1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/base/Console.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1646 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "mozilla/dom/Console.h"
1.10 +#include "mozilla/dom/ConsoleBinding.h"
1.11 +
1.12 +#include "mozilla/dom/Exceptions.h"
1.13 +#include "mozilla/dom/ToJSValue.h"
1.14 +#include "mozilla/Maybe.h"
1.15 +#include "nsCycleCollectionParticipant.h"
1.16 +#include "nsDocument.h"
1.17 +#include "nsDOMNavigationTiming.h"
1.18 +#include "nsGlobalWindow.h"
1.19 +#include "nsJSUtils.h"
1.20 +#include "nsPerformance.h"
1.21 +#include "WorkerPrivate.h"
1.22 +#include "WorkerRunnable.h"
1.23 +#include "xpcprivate.h"
1.24 +#include "nsContentUtils.h"
1.25 +
1.26 +#include "nsIConsoleAPIStorage.h"
1.27 +#include "nsIDOMWindowUtils.h"
1.28 +#include "nsIInterfaceRequestorUtils.h"
1.29 +#include "nsILoadContext.h"
1.30 +#include "nsIServiceManager.h"
1.31 +#include "nsISupportsPrimitives.h"
1.32 +#include "nsIWebNavigation.h"
1.33 +
1.34 +// The maximum allowed number of concurrent timers per page.
1.35 +#define MAX_PAGE_TIMERS 10000
1.36 +
1.37 +// The maximum allowed number of concurrent counters per page.
1.38 +#define MAX_PAGE_COUNTERS 10000
1.39 +
1.40 +// The maximum stacktrace depth when populating the stacktrace array used for
1.41 +// console.trace().
1.42 +#define DEFAULT_MAX_STACKTRACE_DEPTH 200
1.43 +
1.44 +// The console API methods are async and their action is executed later. This
1.45 +// delay tells how much later.
1.46 +#define CALL_DELAY 15 // milliseconds
1.47 +
1.48 +// This constant tells how many messages to process in a single timer execution.
1.49 +#define MESSAGES_IN_INTERVAL 1500
1.50 +
1.51 +// This tag is used in the Structured Clone Algorithm to move js values from
1.52 +// worker thread to main thread
1.53 +#define CONSOLE_TAG JS_SCTAG_USER_MIN
1.54 +
1.55 +using namespace mozilla::dom::exceptions;
1.56 +using namespace mozilla::dom::workers;
1.57 +
1.58 +namespace mozilla {
1.59 +namespace dom {
1.60 +
1.61 +/**
1.62 + * Console API in workers uses the Structured Clone Algorithm to move any value
1.63 + * from the worker thread to the main-thread. Some object cannot be moved and,
1.64 + * in these cases, we convert them to strings.
1.65 + * It's not the best, but at least we are able to show something.
1.66 + */
1.67 +
1.68 +// This method is called by the Structured Clone Algorithm when some data has
1.69 +// to be read.
1.70 +static JSObject*
1.71 +ConsoleStructuredCloneCallbacksRead(JSContext* aCx,
1.72 + JSStructuredCloneReader* /* unused */,
1.73 + uint32_t aTag, uint32_t aData,
1.74 + void* aClosure)
1.75 +{
1.76 + AssertIsOnMainThread();
1.77 +
1.78 + if (aTag != CONSOLE_TAG) {
1.79 + return nullptr;
1.80 + }
1.81 +
1.82 + nsTArray<nsString>* strings = static_cast<nsTArray<nsString>*>(aClosure);
1.83 + MOZ_ASSERT(strings->Length() > aData);
1.84 +
1.85 + JS::Rooted<JS::Value> value(aCx);
1.86 + if (!xpc::StringToJsval(aCx, strings->ElementAt(aData), &value)) {
1.87 + return nullptr;
1.88 + }
1.89 +
1.90 + JS::Rooted<JSObject*> obj(aCx);
1.91 + if (!JS_ValueToObject(aCx, value, &obj)) {
1.92 + return nullptr;
1.93 + }
1.94 +
1.95 + return obj;
1.96 +}
1.97 +
1.98 +// This method is called by the Structured Clone Algorithm when some data has
1.99 +// to be written.
1.100 +static bool
1.101 +ConsoleStructuredCloneCallbacksWrite(JSContext* aCx,
1.102 + JSStructuredCloneWriter* aWriter,
1.103 + JS::Handle<JSObject*> aObj,
1.104 + void* aClosure)
1.105 +{
1.106 + JS::Rooted<JS::Value> value(aCx, JS::ObjectOrNullValue(aObj));
1.107 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
1.108 + if (!jsString) {
1.109 + return false;
1.110 + }
1.111 +
1.112 + nsDependentJSString string;
1.113 + if (!string.init(aCx, jsString)) {
1.114 + return false;
1.115 + }
1.116 +
1.117 + nsTArray<nsString>* strings = static_cast<nsTArray<nsString>*>(aClosure);
1.118 +
1.119 + if (!JS_WriteUint32Pair(aWriter, CONSOLE_TAG, strings->Length())) {
1.120 + return false;
1.121 + }
1.122 +
1.123 + strings->AppendElement(string);
1.124 +
1.125 + return true;
1.126 +}
1.127 +
1.128 +static void
1.129 +ConsoleStructuredCloneCallbacksError(JSContext* /* aCx */,
1.130 + uint32_t /* aErrorId */)
1.131 +{
1.132 + NS_WARNING("Failed to clone data for the Console API in workers.");
1.133 +}
1.134 +
1.135 +JSStructuredCloneCallbacks gConsoleCallbacks = {
1.136 + ConsoleStructuredCloneCallbacksRead,
1.137 + ConsoleStructuredCloneCallbacksWrite,
1.138 + ConsoleStructuredCloneCallbacksError
1.139 +};
1.140 +
1.141 +class ConsoleCallData MOZ_FINAL : public LinkedListElement<ConsoleCallData>
1.142 +{
1.143 +public:
1.144 + ConsoleCallData()
1.145 + : mMethodName(Console::MethodLog)
1.146 + , mPrivate(false)
1.147 + , mTimeStamp(JS_Now() / PR_USEC_PER_MSEC)
1.148 + , mMonotonicTimer(0)
1.149 + {
1.150 + MOZ_COUNT_CTOR(ConsoleCallData);
1.151 + }
1.152 +
1.153 + ~ConsoleCallData()
1.154 + {
1.155 + MOZ_COUNT_DTOR(ConsoleCallData);
1.156 + }
1.157 +
1.158 + void
1.159 + Initialize(JSContext* aCx, Console::MethodName aName,
1.160 + const nsAString& aString, const Sequence<JS::Value>& aArguments)
1.161 + {
1.162 + mGlobal = JS::CurrentGlobalOrNull(aCx);
1.163 + mMethodName = aName;
1.164 + mMethodString = aString;
1.165 +
1.166 + for (uint32_t i = 0; i < aArguments.Length(); ++i) {
1.167 + mArguments.AppendElement(aArguments[i]);
1.168 + }
1.169 + }
1.170 +
1.171 + JS::Heap<JSObject*> mGlobal;
1.172 +
1.173 + Console::MethodName mMethodName;
1.174 + bool mPrivate;
1.175 + int64_t mTimeStamp;
1.176 + DOMHighResTimeStamp mMonotonicTimer;
1.177 +
1.178 + nsString mMethodString;
1.179 + nsTArray<JS::Heap<JS::Value>> mArguments;
1.180 +
1.181 + // Stack management is complicated, because we want to do it as
1.182 + // lazily as possible. Therefore, we have the following behavior:
1.183 + // 1) mTopStackFrame is initialized whenever we have any JS on the stack
1.184 + // 2) mReifiedStack is initialized if we're created in a worker.
1.185 + // 3) mStack is set (possibly to null if there is no JS on the stack) if
1.186 + // we're created on main thread.
1.187 + Maybe<ConsoleStackEntry> mTopStackFrame;
1.188 + Maybe<nsTArray<ConsoleStackEntry>> mReifiedStack;
1.189 + nsCOMPtr<nsIStackFrame> mStack;
1.190 +};
1.191 +
1.192 +// This class is used to clear any exception at the end of this method.
1.193 +class ClearException
1.194 +{
1.195 +public:
1.196 + ClearException(JSContext* aCx)
1.197 + : mCx(aCx)
1.198 + {
1.199 + }
1.200 +
1.201 + ~ClearException()
1.202 + {
1.203 + JS_ClearPendingException(mCx);
1.204 + }
1.205 +
1.206 +private:
1.207 + JSContext* mCx;
1.208 +};
1.209 +
1.210 +class ConsoleRunnable : public nsRunnable
1.211 +{
1.212 +public:
1.213 + ConsoleRunnable()
1.214 + : mWorkerPrivate(GetCurrentThreadWorkerPrivate())
1.215 + {
1.216 + MOZ_ASSERT(mWorkerPrivate);
1.217 + }
1.218 +
1.219 + virtual
1.220 + ~ConsoleRunnable()
1.221 + {
1.222 + }
1.223 +
1.224 + bool
1.225 + Dispatch()
1.226 + {
1.227 + mWorkerPrivate->AssertIsOnWorkerThread();
1.228 +
1.229 + JSContext* cx = mWorkerPrivate->GetJSContext();
1.230 +
1.231 + if (!PreDispatch(cx)) {
1.232 + return false;
1.233 + }
1.234 +
1.235 + AutoSyncLoopHolder syncLoop(mWorkerPrivate);
1.236 + mSyncLoopTarget = syncLoop.EventTarget();
1.237 +
1.238 + if (NS_FAILED(NS_DispatchToMainThread(this, NS_DISPATCH_NORMAL))) {
1.239 + JS_ReportError(cx,
1.240 + "Failed to dispatch to main thread for the Console API!");
1.241 + return false;
1.242 + }
1.243 +
1.244 + return syncLoop.Run();
1.245 + }
1.246 +
1.247 +private:
1.248 + NS_IMETHOD Run()
1.249 + {
1.250 + AssertIsOnMainThread();
1.251 +
1.252 + RunConsole();
1.253 +
1.254 + nsRefPtr<MainThreadStopSyncLoopRunnable> response =
1.255 + new MainThreadStopSyncLoopRunnable(mWorkerPrivate,
1.256 + mSyncLoopTarget.forget(),
1.257 + true);
1.258 + if (!response->Dispatch(nullptr)) {
1.259 + NS_WARNING("Failed to dispatch response!");
1.260 + }
1.261 +
1.262 + return NS_OK;
1.263 + }
1.264 +
1.265 +protected:
1.266 + virtual bool
1.267 + PreDispatch(JSContext* aCx) = 0;
1.268 +
1.269 + virtual void
1.270 + RunConsole() = 0;
1.271 +
1.272 + WorkerPrivate* mWorkerPrivate;
1.273 +
1.274 +private:
1.275 + nsCOMPtr<nsIEventTarget> mSyncLoopTarget;
1.276 +};
1.277 +
1.278 +// This runnable appends a CallData object into the Console queue running on
1.279 +// the main-thread.
1.280 +class ConsoleCallDataRunnable MOZ_FINAL : public ConsoleRunnable
1.281 +{
1.282 +public:
1.283 + ConsoleCallDataRunnable(ConsoleCallData* aCallData)
1.284 + : mCallData(aCallData)
1.285 + {
1.286 + }
1.287 +
1.288 +private:
1.289 + bool
1.290 + PreDispatch(JSContext* aCx) MOZ_OVERRIDE
1.291 + {
1.292 + ClearException ce(aCx);
1.293 + JSAutoCompartment ac(aCx, mCallData->mGlobal);
1.294 +
1.295 + JS::Rooted<JSObject*> arguments(aCx,
1.296 + JS_NewArrayObject(aCx, mCallData->mArguments.Length()));
1.297 + if (!arguments) {
1.298 + return false;
1.299 + }
1.300 +
1.301 + for (uint32_t i = 0; i < mCallData->mArguments.Length(); ++i) {
1.302 + if (!JS_DefineElement(aCx, arguments, i, mCallData->mArguments[i],
1.303 + nullptr, nullptr, JSPROP_ENUMERATE)) {
1.304 + return false;
1.305 + }
1.306 + }
1.307 +
1.308 + JS::Rooted<JS::Value> value(aCx, JS::ObjectValue(*arguments));
1.309 +
1.310 + if (!mArguments.write(aCx, value, &gConsoleCallbacks, &mStrings)) {
1.311 + return false;
1.312 + }
1.313 +
1.314 + mCallData->mArguments.Clear();
1.315 + mCallData->mGlobal = nullptr;
1.316 + return true;
1.317 + }
1.318 +
1.319 + void
1.320 + RunConsole() MOZ_OVERRIDE
1.321 + {
1.322 + // Walk up to our containing page
1.323 + WorkerPrivate* wp = mWorkerPrivate;
1.324 + while (wp->GetParent()) {
1.325 + wp = wp->GetParent();
1.326 + }
1.327 +
1.328 + AutoPushJSContext cx(wp->ParentJSContext());
1.329 + ClearException ce(cx);
1.330 +
1.331 + nsPIDOMWindow* window = wp->GetWindow();
1.332 + NS_ENSURE_TRUE_VOID(window);
1.333 +
1.334 + nsRefPtr<nsGlobalWindow> win = static_cast<nsGlobalWindow*>(window);
1.335 + NS_ENSURE_TRUE_VOID(win);
1.336 +
1.337 + ErrorResult error;
1.338 + nsRefPtr<Console> console = win->GetConsole(error);
1.339 + if (error.Failed()) {
1.340 + NS_WARNING("Failed to get console from the window.");
1.341 + return;
1.342 + }
1.343 +
1.344 + JS::Rooted<JS::Value> argumentsValue(cx);
1.345 + if (!mArguments.read(cx, &argumentsValue, &gConsoleCallbacks, &mStrings)) {
1.346 + return;
1.347 + }
1.348 +
1.349 + MOZ_ASSERT(argumentsValue.isObject());
1.350 + JS::Rooted<JSObject*> argumentsObj(cx, &argumentsValue.toObject());
1.351 + MOZ_ASSERT(JS_IsArrayObject(cx, argumentsObj));
1.352 +
1.353 + uint32_t length;
1.354 + if (!JS_GetArrayLength(cx, argumentsObj, &length)) {
1.355 + return;
1.356 + }
1.357 +
1.358 + for (uint32_t i = 0; i < length; ++i) {
1.359 + JS::Rooted<JS::Value> value(cx);
1.360 +
1.361 + if (!JS_GetElement(cx, argumentsObj, i, &value)) {
1.362 + return;
1.363 + }
1.364 +
1.365 + mCallData->mArguments.AppendElement(value);
1.366 + }
1.367 +
1.368 + MOZ_ASSERT(mCallData->mArguments.Length() == length);
1.369 +
1.370 + mCallData->mGlobal = JS::CurrentGlobalOrNull(cx);
1.371 + console->AppendCallData(mCallData.forget());
1.372 + }
1.373 +
1.374 +private:
1.375 + nsAutoPtr<ConsoleCallData> mCallData;
1.376 +
1.377 + JSAutoStructuredCloneBuffer mArguments;
1.378 + nsTArray<nsString> mStrings;
1.379 +};
1.380 +
1.381 +// This runnable calls ProfileMethod() on the console on the main-thread.
1.382 +class ConsoleProfileRunnable MOZ_FINAL : public ConsoleRunnable
1.383 +{
1.384 +public:
1.385 + ConsoleProfileRunnable(const nsAString& aAction,
1.386 + const Sequence<JS::Value>& aArguments)
1.387 + : mAction(aAction)
1.388 + , mArguments(aArguments)
1.389 + {
1.390 + }
1.391 +
1.392 +private:
1.393 + bool
1.394 + PreDispatch(JSContext* aCx) MOZ_OVERRIDE
1.395 + {
1.396 + ClearException ce(aCx);
1.397 +
1.398 + JS::Rooted<JSObject*> global(aCx, JS::CurrentGlobalOrNull(aCx));
1.399 + if (!global) {
1.400 + return false;
1.401 + }
1.402 +
1.403 + JSAutoCompartment ac(aCx, global);
1.404 +
1.405 + JS::Rooted<JSObject*> arguments(aCx,
1.406 + JS_NewArrayObject(aCx, mArguments.Length()));
1.407 + if (!arguments) {
1.408 + return false;
1.409 + }
1.410 +
1.411 + for (uint32_t i = 0; i < mArguments.Length(); ++i) {
1.412 + if (!JS_DefineElement(aCx, arguments, i, mArguments[i], nullptr, nullptr,
1.413 + JSPROP_ENUMERATE)) {
1.414 + return false;
1.415 + }
1.416 + }
1.417 +
1.418 + JS::Rooted<JS::Value> value(aCx, JS::ObjectValue(*arguments));
1.419 +
1.420 + if (!mBuffer.write(aCx, value, &gConsoleCallbacks, &mStrings)) {
1.421 + return false;
1.422 + }
1.423 +
1.424 + return true;
1.425 + }
1.426 +
1.427 + void
1.428 + RunConsole() MOZ_OVERRIDE
1.429 + {
1.430 + // Walk up to our containing page
1.431 + WorkerPrivate* wp = mWorkerPrivate;
1.432 + while (wp->GetParent()) {
1.433 + wp = wp->GetParent();
1.434 + }
1.435 +
1.436 + AutoPushJSContext cx(wp->ParentJSContext());
1.437 + ClearException ce(cx);
1.438 +
1.439 + JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx));
1.440 + NS_ENSURE_TRUE_VOID(global);
1.441 + JSAutoCompartment ac(cx, global);
1.442 +
1.443 + nsPIDOMWindow* window = wp->GetWindow();
1.444 + NS_ENSURE_TRUE_VOID(window);
1.445 +
1.446 + nsRefPtr<nsGlobalWindow> win = static_cast<nsGlobalWindow*>(window);
1.447 + NS_ENSURE_TRUE_VOID(win);
1.448 +
1.449 + ErrorResult error;
1.450 + nsRefPtr<Console> console = win->GetConsole(error);
1.451 + if (error.Failed()) {
1.452 + NS_WARNING("Failed to get console from the window.");
1.453 + return;
1.454 + }
1.455 +
1.456 + JS::Rooted<JS::Value> argumentsValue(cx);
1.457 + if (!mBuffer.read(cx, &argumentsValue, &gConsoleCallbacks, &mStrings)) {
1.458 + return;
1.459 + }
1.460 +
1.461 + MOZ_ASSERT(argumentsValue.isObject());
1.462 + JS::Rooted<JSObject*> argumentsObj(cx, &argumentsValue.toObject());
1.463 + MOZ_ASSERT(JS_IsArrayObject(cx, argumentsObj));
1.464 +
1.465 + uint32_t length;
1.466 + if (!JS_GetArrayLength(cx, argumentsObj, &length)) {
1.467 + return;
1.468 + }
1.469 +
1.470 + Sequence<JS::Value> arguments;
1.471 +
1.472 + for (uint32_t i = 0; i < length; ++i) {
1.473 + JS::Rooted<JS::Value> value(cx);
1.474 +
1.475 + if (!JS_GetElement(cx, argumentsObj, i, &value)) {
1.476 + return;
1.477 + }
1.478 +
1.479 + arguments.AppendElement(value);
1.480 + }
1.481 +
1.482 + console->ProfileMethod(cx, mAction, arguments);
1.483 + }
1.484 +
1.485 +private:
1.486 + nsString mAction;
1.487 + Sequence<JS::Value> mArguments;
1.488 +
1.489 + JSAutoStructuredCloneBuffer mBuffer;
1.490 + nsTArray<nsString> mStrings;
1.491 +};
1.492 +
1.493 +NS_IMPL_CYCLE_COLLECTION_CLASS(Console)
1.494 +
1.495 +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Console)
1.496 + NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
1.497 + NS_IMPL_CYCLE_COLLECTION_UNLINK(mTimer)
1.498 + NS_IMPL_CYCLE_COLLECTION_UNLINK(mStorage)
1.499 + NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
1.500 +
1.501 + tmp->ClearConsoleData();
1.502 +
1.503 +NS_IMPL_CYCLE_COLLECTION_UNLINK_END
1.504 +
1.505 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Console)
1.506 + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
1.507 + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTimer)
1.508 + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mStorage)
1.509 + NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
1.510 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
1.511 +
1.512 +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(Console)
1.513 + NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
1.514 +
1.515 + for (ConsoleCallData* data = tmp->mQueuedCalls.getFirst(); data != nullptr;
1.516 + data = data->getNext()) {
1.517 + if (data->mGlobal) {
1.518 + aCallbacks.Trace(&data->mGlobal, "data->mGlobal", aClosure);
1.519 + }
1.520 +
1.521 + for (uint32_t i = 0; i < data->mArguments.Length(); ++i) {
1.522 + aCallbacks.Trace(&data->mArguments[i], "data->mArguments[i]", aClosure);
1.523 + }
1.524 + }
1.525 +
1.526 +NS_IMPL_CYCLE_COLLECTION_TRACE_END
1.527 +
1.528 +NS_IMPL_CYCLE_COLLECTING_ADDREF(Console)
1.529 +NS_IMPL_CYCLE_COLLECTING_RELEASE(Console)
1.530 +
1.531 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Console)
1.532 + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
1.533 + NS_INTERFACE_MAP_ENTRY(nsITimerCallback)
1.534 + NS_INTERFACE_MAP_ENTRY(nsIObserver)
1.535 + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsITimerCallback)
1.536 +NS_INTERFACE_MAP_END
1.537 +
1.538 +Console::Console(nsPIDOMWindow* aWindow)
1.539 + : mWindow(aWindow)
1.540 + , mOuterID(0)
1.541 + , mInnerID(0)
1.542 +{
1.543 + if (mWindow) {
1.544 + MOZ_ASSERT(mWindow->IsInnerWindow());
1.545 + mInnerID = mWindow->WindowID();
1.546 +
1.547 + nsPIDOMWindow* outerWindow = mWindow->GetOuterWindow();
1.548 + MOZ_ASSERT(outerWindow);
1.549 + mOuterID = outerWindow->WindowID();
1.550 + }
1.551 +
1.552 + if (NS_IsMainThread()) {
1.553 + nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
1.554 + if (obs) {
1.555 + obs->AddObserver(this, "inner-window-destroyed", false);
1.556 + }
1.557 + }
1.558 +
1.559 + SetIsDOMBinding();
1.560 + mozilla::HoldJSObjects(this);
1.561 +}
1.562 +
1.563 +Console::~Console()
1.564 +{
1.565 + mozilla::DropJSObjects(this);
1.566 +}
1.567 +
1.568 +NS_IMETHODIMP
1.569 +Console::Observe(nsISupports* aSubject, const char* aTopic,
1.570 + const char16_t* aData)
1.571 +{
1.572 + MOZ_ASSERT(NS_IsMainThread());
1.573 +
1.574 + if (strcmp(aTopic, "inner-window-destroyed")) {
1.575 + return NS_OK;
1.576 + }
1.577 +
1.578 + nsCOMPtr<nsISupportsPRUint64> wrapper = do_QueryInterface(aSubject);
1.579 + NS_ENSURE_TRUE(wrapper, NS_ERROR_FAILURE);
1.580 +
1.581 + uint64_t innerID;
1.582 + nsresult rv = wrapper->GetData(&innerID);
1.583 + NS_ENSURE_SUCCESS(rv, rv);
1.584 +
1.585 + if (innerID == mInnerID) {
1.586 + nsCOMPtr<nsIObserverService> obs =
1.587 + do_GetService("@mozilla.org/observer-service;1");
1.588 + if (obs) {
1.589 + obs->RemoveObserver(this, "inner-window-destroyed");
1.590 + }
1.591 +
1.592 + ClearConsoleData();
1.593 + mTimerRegistry.Clear();
1.594 +
1.595 + if (mTimer) {
1.596 + mTimer->Cancel();
1.597 + mTimer = nullptr;
1.598 + }
1.599 + }
1.600 +
1.601 + return NS_OK;
1.602 +}
1.603 +
1.604 +JSObject*
1.605 +Console::WrapObject(JSContext* aCx)
1.606 +{
1.607 + return ConsoleBinding::Wrap(aCx, this);
1.608 +}
1.609 +
1.610 +#define METHOD(name, string) \
1.611 + void \
1.612 + Console::name(JSContext* aCx, const Sequence<JS::Value>& aData) \
1.613 + { \
1.614 + Method(aCx, Method##name, NS_LITERAL_STRING(string), aData); \
1.615 + }
1.616 +
1.617 +METHOD(Log, "log")
1.618 +METHOD(Info, "info")
1.619 +METHOD(Warn, "warn")
1.620 +METHOD(Error, "error")
1.621 +METHOD(Exception, "exception")
1.622 +METHOD(Debug, "debug")
1.623 +
1.624 +void
1.625 +Console::Trace(JSContext* aCx)
1.626 +{
1.627 + const Sequence<JS::Value> data;
1.628 + Method(aCx, MethodTrace, NS_LITERAL_STRING("trace"), data);
1.629 +}
1.630 +
1.631 +// Displays an interactive listing of all the properties of an object.
1.632 +METHOD(Dir, "dir");
1.633 +
1.634 +METHOD(Group, "group")
1.635 +METHOD(GroupCollapsed, "groupCollapsed")
1.636 +METHOD(GroupEnd, "groupEnd")
1.637 +
1.638 +void
1.639 +Console::Time(JSContext* aCx, const JS::Handle<JS::Value> aTime)
1.640 +{
1.641 + Sequence<JS::Value> data;
1.642 + SequenceRooter<JS::Value> rooter(aCx, &data);
1.643 +
1.644 + if (!aTime.isUndefined()) {
1.645 + data.AppendElement(aTime);
1.646 + }
1.647 +
1.648 + Method(aCx, MethodTime, NS_LITERAL_STRING("time"), data);
1.649 +}
1.650 +
1.651 +void
1.652 +Console::TimeEnd(JSContext* aCx, const JS::Handle<JS::Value> aTime)
1.653 +{
1.654 + Sequence<JS::Value> data;
1.655 + SequenceRooter<JS::Value> rooter(aCx, &data);
1.656 +
1.657 + if (!aTime.isUndefined()) {
1.658 + data.AppendElement(aTime);
1.659 + }
1.660 +
1.661 + Method(aCx, MethodTimeEnd, NS_LITERAL_STRING("timeEnd"), data);
1.662 +}
1.663 +
1.664 +void
1.665 +Console::Profile(JSContext* aCx, const Sequence<JS::Value>& aData)
1.666 +{
1.667 + ProfileMethod(aCx, NS_LITERAL_STRING("profile"), aData);
1.668 +}
1.669 +
1.670 +void
1.671 +Console::ProfileEnd(JSContext* aCx, const Sequence<JS::Value>& aData)
1.672 +{
1.673 + ProfileMethod(aCx, NS_LITERAL_STRING("profileEnd"), aData);
1.674 +}
1.675 +
1.676 +void
1.677 +Console::ProfileMethod(JSContext* aCx, const nsAString& aAction,
1.678 + const Sequence<JS::Value>& aData)
1.679 +{
1.680 + if (!NS_IsMainThread()) {
1.681 + // Here we are in a worker thread.
1.682 + nsRefPtr<ConsoleProfileRunnable> runnable =
1.683 + new ConsoleProfileRunnable(aAction, aData);
1.684 + runnable->Dispatch();
1.685 + return;
1.686 + }
1.687 +
1.688 + ClearException ce(aCx);
1.689 +
1.690 + RootedDictionary<ConsoleProfileEvent> event(aCx);
1.691 + event.mAction = aAction;
1.692 +
1.693 + event.mArguments.Construct();
1.694 + Sequence<JS::Value>& sequence = event.mArguments.Value();
1.695 +
1.696 + for (uint32_t i = 0; i < aData.Length(); ++i) {
1.697 + sequence.AppendElement(aData[i]);
1.698 + }
1.699 +
1.700 + JS::Rooted<JS::Value> eventValue(aCx);
1.701 + if (!event.ToObject(aCx, &eventValue)) {
1.702 + return;
1.703 + }
1.704 +
1.705 + JS::Rooted<JSObject*> eventObj(aCx, &eventValue.toObject());
1.706 + MOZ_ASSERT(eventObj);
1.707 +
1.708 + if (!JS_DefineProperty(aCx, eventObj, "wrappedJSObject", eventValue,
1.709 + JSPROP_ENUMERATE)) {
1.710 + return;
1.711 + }
1.712 +
1.713 + nsXPConnect* xpc = nsXPConnect::XPConnect();
1.714 + nsCOMPtr<nsISupports> wrapper;
1.715 + const nsIID& iid = NS_GET_IID(nsISupports);
1.716 +
1.717 + if (NS_FAILED(xpc->WrapJS(aCx, eventObj, iid, getter_AddRefs(wrapper)))) {
1.718 + return;
1.719 + }
1.720 +
1.721 + nsCOMPtr<nsIObserverService> obs =
1.722 + do_GetService("@mozilla.org/observer-service;1");
1.723 + if (obs) {
1.724 + obs->NotifyObservers(wrapper, "console-api-profiler", nullptr);
1.725 + }
1.726 +}
1.727 +
1.728 +void
1.729 +Console::Assert(JSContext* aCx, bool aCondition,
1.730 + const Sequence<JS::Value>& aData)
1.731 +{
1.732 + if (!aCondition) {
1.733 + Method(aCx, MethodAssert, NS_LITERAL_STRING("assert"), aData);
1.734 + }
1.735 +}
1.736 +
1.737 +METHOD(Count, "count")
1.738 +
1.739 +void
1.740 +Console::__noSuchMethod__()
1.741 +{
1.742 + // Nothing to do.
1.743 +}
1.744 +
1.745 +static
1.746 +nsresult
1.747 +StackFrameToStackEntry(nsIStackFrame* aStackFrame,
1.748 + ConsoleStackEntry& aStackEntry,
1.749 + uint32_t aLanguage)
1.750 +{
1.751 + MOZ_ASSERT(aStackFrame);
1.752 +
1.753 + nsresult rv = aStackFrame->GetFilename(aStackEntry.mFilename);
1.754 + NS_ENSURE_SUCCESS(rv, rv);
1.755 +
1.756 + int32_t lineNumber;
1.757 + rv = aStackFrame->GetLineNumber(&lineNumber);
1.758 + NS_ENSURE_SUCCESS(rv, rv);
1.759 +
1.760 + aStackEntry.mLineNumber = lineNumber;
1.761 +
1.762 + rv = aStackFrame->GetName(aStackEntry.mFunctionName);
1.763 + NS_ENSURE_SUCCESS(rv, rv);
1.764 +
1.765 + aStackEntry.mLanguage = aLanguage;
1.766 + return NS_OK;
1.767 +}
1.768 +
1.769 +static
1.770 +nsresult
1.771 +ReifyStack(nsIStackFrame* aStack, nsTArray<ConsoleStackEntry>& aRefiedStack)
1.772 +{
1.773 + nsCOMPtr<nsIStackFrame> stack(aStack);
1.774 +
1.775 + while (stack) {
1.776 + uint32_t language;
1.777 + nsresult rv = stack->GetLanguage(&language);
1.778 + NS_ENSURE_SUCCESS(rv, rv);
1.779 +
1.780 + if (language == nsIProgrammingLanguage::JAVASCRIPT ||
1.781 + language == nsIProgrammingLanguage::JAVASCRIPT2) {
1.782 + ConsoleStackEntry& data = *aRefiedStack.AppendElement();
1.783 + rv = StackFrameToStackEntry(stack, data, language);
1.784 + NS_ENSURE_SUCCESS(rv, rv);
1.785 + }
1.786 +
1.787 + nsCOMPtr<nsIStackFrame> caller;
1.788 + rv = stack->GetCaller(getter_AddRefs(caller));
1.789 + NS_ENSURE_SUCCESS(rv, rv);
1.790 +
1.791 + stack.swap(caller);
1.792 + }
1.793 +
1.794 + return NS_OK;
1.795 +}
1.796 +
1.797 +// Queue a call to a console method. See the CALL_DELAY constant.
1.798 +void
1.799 +Console::Method(JSContext* aCx, MethodName aMethodName,
1.800 + const nsAString& aMethodString,
1.801 + const Sequence<JS::Value>& aData)
1.802 +{
1.803 + // This RAII class removes the last element of the mQueuedCalls if something
1.804 + // goes wrong.
1.805 + class RAII {
1.806 + public:
1.807 + RAII(LinkedList<ConsoleCallData>& aList)
1.808 + : mList(aList)
1.809 + , mUnfinished(true)
1.810 + {
1.811 + }
1.812 +
1.813 + ~RAII()
1.814 + {
1.815 + if (mUnfinished) {
1.816 + ConsoleCallData* data = mList.popLast();
1.817 + MOZ_ASSERT(data);
1.818 + delete data;
1.819 + }
1.820 + }
1.821 +
1.822 + void
1.823 + Finished()
1.824 + {
1.825 + mUnfinished = false;
1.826 + }
1.827 +
1.828 + private:
1.829 + LinkedList<ConsoleCallData>& mList;
1.830 + bool mUnfinished;
1.831 + };
1.832 +
1.833 + ConsoleCallData* callData = new ConsoleCallData();
1.834 + mQueuedCalls.insertBack(callData);
1.835 +
1.836 + ClearException ce(aCx);
1.837 +
1.838 + callData->Initialize(aCx, aMethodName, aMethodString, aData);
1.839 + RAII raii(mQueuedCalls);
1.840 +
1.841 + if (mWindow) {
1.842 + nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(mWindow);
1.843 + if (!webNav) {
1.844 + return;
1.845 + }
1.846 +
1.847 + nsCOMPtr<nsILoadContext> loadContext = do_QueryInterface(webNav);
1.848 + MOZ_ASSERT(loadContext);
1.849 +
1.850 + loadContext->GetUsePrivateBrowsing(&callData->mPrivate);
1.851 + }
1.852 +
1.853 + uint32_t maxDepth = ShouldIncludeStackrace(aMethodName) ?
1.854 + DEFAULT_MAX_STACKTRACE_DEPTH : 1;
1.855 + nsCOMPtr<nsIStackFrame> stack = CreateStack(aCx, maxDepth);
1.856 +
1.857 + if (!stack) {
1.858 + return;
1.859 + }
1.860 +
1.861 + // Walk up to the first JS stack frame and save it if we find it.
1.862 + do {
1.863 + uint32_t language;
1.864 + nsresult rv = stack->GetLanguage(&language);
1.865 + if (NS_FAILED(rv)) {
1.866 + return;
1.867 + }
1.868 +
1.869 + if (language == nsIProgrammingLanguage::JAVASCRIPT ||
1.870 + language == nsIProgrammingLanguage::JAVASCRIPT2) {
1.871 + callData->mTopStackFrame.construct();
1.872 + nsresult rv = StackFrameToStackEntry(stack,
1.873 + callData->mTopStackFrame.ref(),
1.874 + language);
1.875 + if (NS_FAILED(rv)) {
1.876 + return;
1.877 + }
1.878 +
1.879 + break;
1.880 + }
1.881 +
1.882 + nsCOMPtr<nsIStackFrame> caller;
1.883 + rv = stack->GetCaller(getter_AddRefs(caller));
1.884 + if (NS_FAILED(rv)) {
1.885 + return;
1.886 + }
1.887 +
1.888 + stack.swap(caller);
1.889 + } while (stack);
1.890 +
1.891 + if (NS_IsMainThread()) {
1.892 + callData->mStack = stack;
1.893 + } else {
1.894 + // nsIStackFrame is not threadsafe, so we need to snapshot it now,
1.895 + // before we post our runnable to the main thread.
1.896 + callData->mReifiedStack.construct();
1.897 + nsresult rv = ReifyStack(stack, callData->mReifiedStack.ref());
1.898 + if (NS_WARN_IF(NS_FAILED(rv))) {
1.899 + return;
1.900 + }
1.901 + }
1.902 +
1.903 + // Monotonic timer for 'time' and 'timeEnd'
1.904 + if ((aMethodName == MethodTime || aMethodName == MethodTimeEnd)) {
1.905 + if (mWindow) {
1.906 + nsGlobalWindow *win = static_cast<nsGlobalWindow*>(mWindow.get());
1.907 + MOZ_ASSERT(win);
1.908 +
1.909 + ErrorResult rv;
1.910 + nsRefPtr<nsPerformance> performance = win->GetPerformance(rv);
1.911 + if (rv.Failed()) {
1.912 + return;
1.913 + }
1.914 +
1.915 + callData->mMonotonicTimer = performance->Now();
1.916 + } else {
1.917 + WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
1.918 + MOZ_ASSERT(workerPrivate);
1.919 +
1.920 + TimeDuration duration =
1.921 + mozilla::TimeStamp::Now() - workerPrivate->CreationTimeStamp();
1.922 +
1.923 + callData->mMonotonicTimer = duration.ToMilliseconds();
1.924 + }
1.925 + }
1.926 +
1.927 + // The operation is completed. RAII class has to be disabled.
1.928 + raii.Finished();
1.929 +
1.930 + if (!NS_IsMainThread()) {
1.931 + // Here we are in a worker thread. The ConsoleCallData has to been removed
1.932 + // from the list and it will be deleted by the ConsoleCallDataRunnable or
1.933 + // by the Main-Thread Console object.
1.934 + mQueuedCalls.popLast();
1.935 +
1.936 + nsRefPtr<ConsoleCallDataRunnable> runnable =
1.937 + new ConsoleCallDataRunnable(callData);
1.938 + runnable->Dispatch();
1.939 + return;
1.940 + }
1.941 +
1.942 + if (!mTimer) {
1.943 + mTimer = do_CreateInstance("@mozilla.org/timer;1");
1.944 + mTimer->InitWithCallback(this, CALL_DELAY,
1.945 + nsITimer::TYPE_REPEATING_SLACK);
1.946 + }
1.947 +}
1.948 +
1.949 +void
1.950 +Console::AppendCallData(ConsoleCallData* aCallData)
1.951 +{
1.952 + mQueuedCalls.insertBack(aCallData);
1.953 +
1.954 + if (!mTimer) {
1.955 + mTimer = do_CreateInstance("@mozilla.org/timer;1");
1.956 + mTimer->InitWithCallback(this, CALL_DELAY,
1.957 + nsITimer::TYPE_REPEATING_SLACK);
1.958 + }
1.959 +}
1.960 +
1.961 +// Timer callback used to process each of the queued calls.
1.962 +NS_IMETHODIMP
1.963 +Console::Notify(nsITimer *timer)
1.964 +{
1.965 + MOZ_ASSERT(!mQueuedCalls.isEmpty());
1.966 +
1.967 + for (uint32_t i = 0; i < MESSAGES_IN_INTERVAL; ++i) {
1.968 + ConsoleCallData* data = mQueuedCalls.popFirst();
1.969 + if (!data) {
1.970 + break;
1.971 + }
1.972 +
1.973 + ProcessCallData(data);
1.974 + delete data;
1.975 + }
1.976 +
1.977 + if (mQueuedCalls.isEmpty() && mTimer) {
1.978 + mTimer->Cancel();
1.979 + mTimer = nullptr;
1.980 + }
1.981 +
1.982 + return NS_OK;
1.983 +}
1.984 +
1.985 +// We store information to lazily compute the stack in the reserved slots of
1.986 +// LazyStackGetter. The first slot always stores a JS object: it's either the
1.987 +// JS wrapper of the nsIStackFrame or the actual reified stack representation.
1.988 +// The second slot is a PrivateValue() holding an nsIStackFrame* when we haven't
1.989 +// reified the stack yet, or an UndefinedValue() otherwise.
1.990 +enum {
1.991 + SLOT_STACKOBJ,
1.992 + SLOT_RAW_STACK
1.993 +};
1.994 +
1.995 +bool
1.996 +LazyStackGetter(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
1.997 +{
1.998 + JS::CallArgs args = CallArgsFromVp(aArgc, aVp);
1.999 + JS::Rooted<JSObject*> callee(aCx, &args.callee());
1.1000 +
1.1001 + JS::Value v = js::GetFunctionNativeReserved(&args.callee(), SLOT_RAW_STACK);
1.1002 + if (v.isUndefined()) {
1.1003 + // Already reified.
1.1004 + args.rval().set(js::GetFunctionNativeReserved(callee, SLOT_STACKOBJ));
1.1005 + return true;
1.1006 + }
1.1007 +
1.1008 + nsIStackFrame* stack = reinterpret_cast<nsIStackFrame*>(v.toPrivate());
1.1009 + nsTArray<ConsoleStackEntry> reifiedStack;
1.1010 + nsresult rv = ReifyStack(stack, reifiedStack);
1.1011 + if (NS_FAILED(rv)) {
1.1012 + Throw(aCx, rv);
1.1013 + return false;
1.1014 + }
1.1015 +
1.1016 + JS::Rooted<JS::Value> stackVal(aCx);
1.1017 + if (!ToJSValue(aCx, reifiedStack, &stackVal)) {
1.1018 + return false;
1.1019 + }
1.1020 +
1.1021 + MOZ_ASSERT(stackVal.isObject());
1.1022 +
1.1023 + js::SetFunctionNativeReserved(callee, SLOT_STACKOBJ, stackVal);
1.1024 + js::SetFunctionNativeReserved(callee, SLOT_RAW_STACK, JS::UndefinedValue());
1.1025 +
1.1026 + args.rval().set(stackVal);
1.1027 + return true;
1.1028 +}
1.1029 +
1.1030 +void
1.1031 +Console::ProcessCallData(ConsoleCallData* aData)
1.1032 +{
1.1033 + MOZ_ASSERT(aData);
1.1034 + MOZ_ASSERT(NS_IsMainThread());
1.1035 +
1.1036 + ConsoleStackEntry frame;
1.1037 + if (!aData->mTopStackFrame.empty()) {
1.1038 + frame = aData->mTopStackFrame.ref();
1.1039 + }
1.1040 +
1.1041 + AutoSafeJSContext cx;
1.1042 + ClearException ce(cx);
1.1043 + RootedDictionary<ConsoleEvent> event(cx);
1.1044 +
1.1045 + JSAutoCompartment ac(cx, aData->mGlobal);
1.1046 +
1.1047 + event.mID.Construct();
1.1048 + event.mInnerID.Construct();
1.1049 + if (mWindow) {
1.1050 + event.mID.Value().SetAsUnsignedLong() = mOuterID;
1.1051 + event.mInnerID.Value().SetAsUnsignedLong() = mInnerID;
1.1052 + } else {
1.1053 + // If we are in a JSM, the window doesn't exist.
1.1054 + event.mID.Value().SetAsString() = NS_LITERAL_STRING("jsm");
1.1055 + event.mInnerID.Value().SetAsString() = frame.mFilename;
1.1056 + }
1.1057 +
1.1058 + event.mLevel = aData->mMethodString;
1.1059 + event.mFilename = frame.mFilename;
1.1060 + event.mLineNumber = frame.mLineNumber;
1.1061 + event.mFunctionName = frame.mFunctionName;
1.1062 + event.mTimeStamp = aData->mTimeStamp;
1.1063 + event.mPrivate = aData->mPrivate;
1.1064 +
1.1065 + switch (aData->mMethodName) {
1.1066 + case MethodLog:
1.1067 + case MethodInfo:
1.1068 + case MethodWarn:
1.1069 + case MethodError:
1.1070 + case MethodException:
1.1071 + case MethodDebug:
1.1072 + case MethodAssert:
1.1073 + event.mArguments.Construct();
1.1074 + event.mStyles.Construct();
1.1075 + ProcessArguments(cx, aData->mArguments, event.mArguments.Value(),
1.1076 + event.mStyles.Value());
1.1077 + break;
1.1078 +
1.1079 + default:
1.1080 + event.mArguments.Construct();
1.1081 + ArgumentsToValueList(aData->mArguments, event.mArguments.Value());
1.1082 + }
1.1083 +
1.1084 + if (aData->mMethodName == MethodGroup ||
1.1085 + aData->mMethodName == MethodGroupCollapsed ||
1.1086 + aData->mMethodName == MethodGroupEnd) {
1.1087 + ComposeGroupName(cx, aData->mArguments, event.mGroupName);
1.1088 + }
1.1089 +
1.1090 + else if (aData->mMethodName == MethodTime && !aData->mArguments.IsEmpty()) {
1.1091 + event.mTimer = StartTimer(cx, aData->mArguments[0], aData->mMonotonicTimer);
1.1092 + }
1.1093 +
1.1094 + else if (aData->mMethodName == MethodTimeEnd && !aData->mArguments.IsEmpty()) {
1.1095 + event.mTimer = StopTimer(cx, aData->mArguments[0], aData->mMonotonicTimer);
1.1096 + }
1.1097 +
1.1098 + else if (aData->mMethodName == MethodCount) {
1.1099 + event.mCounter = IncreaseCounter(cx, frame, aData->mArguments);
1.1100 + }
1.1101 +
1.1102 + // We want to create a console event object and pass it to our
1.1103 + // nsIConsoleAPIStorage implementation. We want to define some accessor
1.1104 + // properties on this object, and those will need to keep an nsIStackFrame
1.1105 + // alive. But nsIStackFrame cannot be wrapped in an untrusted scope. And
1.1106 + // further, passing untrusted objects to system code is likely to run afoul of
1.1107 + // Object Xrays. So we want to wrap in a system-principal scope here. But
1.1108 + // which one? We could cheat and try to get the underlying JSObject* of
1.1109 + // mStorage, but that's a bit fragile. Instead, we just use the junk scope,
1.1110 + // with explicit permission from the XPConnect module owner. If you're
1.1111 + // tempted to do that anywhere else, talk to said module owner first.
1.1112 + JSAutoCompartment ac2(cx, xpc::GetJunkScope());
1.1113 +
1.1114 + JS::Rooted<JS::Value> eventValue(cx);
1.1115 + if (!event.ToObject(cx, &eventValue)) {
1.1116 + return;
1.1117 + }
1.1118 +
1.1119 + JS::Rooted<JSObject*> eventObj(cx, &eventValue.toObject());
1.1120 + MOZ_ASSERT(eventObj);
1.1121 +
1.1122 + if (!JS_DefineProperty(cx, eventObj, "wrappedJSObject", eventValue, JSPROP_ENUMERATE)) {
1.1123 + return;
1.1124 + }
1.1125 +
1.1126 + if (ShouldIncludeStackrace(aData->mMethodName)) {
1.1127 + // Now define the "stacktrace" property on eventObj. There are two cases
1.1128 + // here. Either we came from a worker and have a reified stack, or we want
1.1129 + // to define a getter that will lazily reify the stack.
1.1130 + if (!aData->mReifiedStack.empty()) {
1.1131 + JS::Rooted<JS::Value> stacktrace(cx);
1.1132 + if (!ToJSValue(cx, aData->mReifiedStack.ref(), &stacktrace) ||
1.1133 + !JS_DefineProperty(cx, eventObj, "stacktrace", stacktrace,
1.1134 + JSPROP_ENUMERATE)) {
1.1135 + return;
1.1136 + }
1.1137 + } else {
1.1138 + JSFunction* fun = js::NewFunctionWithReserved(cx, LazyStackGetter, 0, 0,
1.1139 + eventObj, "stacktrace");
1.1140 + if (!fun) {
1.1141 + return;
1.1142 + }
1.1143 +
1.1144 + JS::Rooted<JSObject*> funObj(cx, JS_GetFunctionObject(fun));
1.1145 +
1.1146 + // We want to store our stack in the function and have it stay alive. But
1.1147 + // we also need sane access to the C++ nsIStackFrame. So store both a JS
1.1148 + // wrapper and the raw pointer: the former will keep the latter alive.
1.1149 + JS::Rooted<JS::Value> stackVal(cx);
1.1150 + nsresult rv = nsContentUtils::WrapNative(cx, aData->mStack,
1.1151 + &stackVal);
1.1152 + if (NS_FAILED(rv)) {
1.1153 + return;
1.1154 + }
1.1155 +
1.1156 + js::SetFunctionNativeReserved(funObj, SLOT_STACKOBJ, stackVal);
1.1157 + js::SetFunctionNativeReserved(funObj, SLOT_RAW_STACK,
1.1158 + JS::PrivateValue(aData->mStack.get()));
1.1159 +
1.1160 + if (!JS_DefineProperty(cx, eventObj, "stacktrace",
1.1161 + JS::UndefinedHandleValue,
1.1162 + JSPROP_ENUMERATE | JSPROP_SHARED | JSPROP_GETTER |
1.1163 + JSPROP_SETTER,
1.1164 + JS_DATA_TO_FUNC_PTR(JSPropertyOp, funObj.get()),
1.1165 + nullptr)) {
1.1166 + return;
1.1167 + }
1.1168 + }
1.1169 + }
1.1170 +
1.1171 + if (!mStorage) {
1.1172 + mStorage = do_GetService("@mozilla.org/consoleAPI-storage;1");
1.1173 + }
1.1174 +
1.1175 + if (!mStorage) {
1.1176 + NS_WARNING("Failed to get the ConsoleAPIStorage service.");
1.1177 + return;
1.1178 + }
1.1179 +
1.1180 + nsAutoString innerID;
1.1181 + innerID.AppendInt(mInnerID);
1.1182 +
1.1183 + if (NS_FAILED(mStorage->RecordEvent(innerID, eventValue))) {
1.1184 + NS_WARNING("Failed to record a console event.");
1.1185 + }
1.1186 +
1.1187 + nsXPConnect* xpc = nsXPConnect::XPConnect();
1.1188 + nsCOMPtr<nsISupports> wrapper;
1.1189 + const nsIID& iid = NS_GET_IID(nsISupports);
1.1190 +
1.1191 + if (NS_FAILED(xpc->WrapJS(cx, eventObj, iid, getter_AddRefs(wrapper)))) {
1.1192 + return;
1.1193 + }
1.1194 +
1.1195 + nsCOMPtr<nsIObserverService> obs =
1.1196 + do_GetService("@mozilla.org/observer-service;1");
1.1197 + if (obs) {
1.1198 + nsAutoString outerID;
1.1199 + outerID.AppendInt(mOuterID);
1.1200 +
1.1201 + obs->NotifyObservers(wrapper, "console-api-log-event", outerID.get());
1.1202 + }
1.1203 +}
1.1204 +
1.1205 +void
1.1206 +Console::ProcessArguments(JSContext* aCx,
1.1207 + const nsTArray<JS::Heap<JS::Value>>& aData,
1.1208 + Sequence<JS::Value>& aSequence,
1.1209 + Sequence<JS::Value>& aStyles)
1.1210 +{
1.1211 + if (aData.IsEmpty()) {
1.1212 + return;
1.1213 + }
1.1214 +
1.1215 + if (aData.Length() == 1 || !aData[0].isString()) {
1.1216 + ArgumentsToValueList(aData, aSequence);
1.1217 + return;
1.1218 + }
1.1219 +
1.1220 + JS::Rooted<JS::Value> format(aCx, aData[0]);
1.1221 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, format));
1.1222 + if (!jsString) {
1.1223 + return;
1.1224 + }
1.1225 +
1.1226 + nsDependentJSString string;
1.1227 + if (!string.init(aCx, jsString)) {
1.1228 + return;
1.1229 + }
1.1230 +
1.1231 + nsString::const_iterator start, end;
1.1232 + string.BeginReading(start);
1.1233 + string.EndReading(end);
1.1234 +
1.1235 + nsString output;
1.1236 + uint32_t index = 1;
1.1237 +
1.1238 + while (start != end) {
1.1239 + if (*start != '%') {
1.1240 + output.Append(*start);
1.1241 + ++start;
1.1242 + continue;
1.1243 + }
1.1244 +
1.1245 + ++start;
1.1246 + if (start == end) {
1.1247 + output.Append('%');
1.1248 + break;
1.1249 + }
1.1250 +
1.1251 + if (*start == '%') {
1.1252 + output.Append(*start);
1.1253 + ++start;
1.1254 + continue;
1.1255 + }
1.1256 +
1.1257 + nsAutoString tmp;
1.1258 + tmp.Append('%');
1.1259 +
1.1260 + int32_t integer = -1;
1.1261 + int32_t mantissa = -1;
1.1262 +
1.1263 + // Let's parse %<number>.<number> for %d and %f
1.1264 + if (*start >= '0' && *start <= '9') {
1.1265 + integer = 0;
1.1266 +
1.1267 + do {
1.1268 + integer = integer * 10 + *start - '0';
1.1269 + tmp.Append(*start);
1.1270 + ++start;
1.1271 + } while (*start >= '0' && *start <= '9' && start != end);
1.1272 + }
1.1273 +
1.1274 + if (start == end) {
1.1275 + output.Append(tmp);
1.1276 + break;
1.1277 + }
1.1278 +
1.1279 + if (*start == '.') {
1.1280 + tmp.Append(*start);
1.1281 + ++start;
1.1282 +
1.1283 + if (start == end) {
1.1284 + output.Append(tmp);
1.1285 + break;
1.1286 + }
1.1287 +
1.1288 + // '.' must be followed by a number.
1.1289 + if (*start < '0' || *start > '9') {
1.1290 + output.Append(tmp);
1.1291 + continue;
1.1292 + }
1.1293 +
1.1294 + mantissa = 0;
1.1295 +
1.1296 + do {
1.1297 + mantissa = mantissa * 10 + *start - '0';
1.1298 + tmp.Append(*start);
1.1299 + ++start;
1.1300 + } while (*start >= '0' && *start <= '9' && start != end);
1.1301 +
1.1302 + if (start == end) {
1.1303 + output.Append(tmp);
1.1304 + break;
1.1305 + }
1.1306 + }
1.1307 +
1.1308 + char ch = *start;
1.1309 + tmp.Append(ch);
1.1310 + ++start;
1.1311 +
1.1312 + switch (ch) {
1.1313 + case 'o':
1.1314 + case 'O':
1.1315 + {
1.1316 + if (!output.IsEmpty()) {
1.1317 + JS::Rooted<JSString*> str(aCx, JS_NewUCStringCopyN(aCx,
1.1318 + output.get(),
1.1319 + output.Length()));
1.1320 + if (!str) {
1.1321 + return;
1.1322 + }
1.1323 +
1.1324 + aSequence.AppendElement(JS::StringValue(str));
1.1325 + output.Truncate();
1.1326 + }
1.1327 +
1.1328 + JS::Rooted<JS::Value> v(aCx);
1.1329 + if (index < aData.Length()) {
1.1330 + v = aData[index++];
1.1331 + }
1.1332 +
1.1333 + aSequence.AppendElement(v);
1.1334 + break;
1.1335 + }
1.1336 +
1.1337 + case 'c':
1.1338 + {
1.1339 + if (!output.IsEmpty()) {
1.1340 + JS::Rooted<JSString*> str(aCx, JS_NewUCStringCopyN(aCx,
1.1341 + output.get(),
1.1342 + output.Length()));
1.1343 + if (!str) {
1.1344 + return;
1.1345 + }
1.1346 +
1.1347 + aSequence.AppendElement(JS::StringValue(str));
1.1348 + output.Truncate();
1.1349 + }
1.1350 +
1.1351 + if (index < aData.Length()) {
1.1352 + JS::Rooted<JS::Value> v(aCx, aData[index++]);
1.1353 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, v));
1.1354 + if (!jsString) {
1.1355 + return;
1.1356 + }
1.1357 +
1.1358 + int32_t diff = aSequence.Length() - aStyles.Length();
1.1359 + if (diff > 0) {
1.1360 + for (int32_t i = 0; i < diff; i++) {
1.1361 + aStyles.AppendElement(JS::NullValue());
1.1362 + }
1.1363 + }
1.1364 + aStyles.AppendElement(JS::StringValue(jsString));
1.1365 + }
1.1366 + break;
1.1367 + }
1.1368 +
1.1369 + case 's':
1.1370 + if (index < aData.Length()) {
1.1371 + JS::Rooted<JS::Value> value(aCx, aData[index++]);
1.1372 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
1.1373 + if (!jsString) {
1.1374 + return;
1.1375 + }
1.1376 +
1.1377 + nsDependentJSString v;
1.1378 + if (!v.init(aCx, jsString)) {
1.1379 + return;
1.1380 + }
1.1381 +
1.1382 + output.Append(v);
1.1383 + }
1.1384 + break;
1.1385 +
1.1386 + case 'd':
1.1387 + case 'i':
1.1388 + if (index < aData.Length()) {
1.1389 + JS::Rooted<JS::Value> value(aCx, aData[index++]);
1.1390 +
1.1391 + int32_t v;
1.1392 + if (!JS::ToInt32(aCx, value, &v)) {
1.1393 + return;
1.1394 + }
1.1395 +
1.1396 + nsCString format;
1.1397 + MakeFormatString(format, integer, mantissa, 'd');
1.1398 + output.AppendPrintf(format.get(), v);
1.1399 + }
1.1400 + break;
1.1401 +
1.1402 + case 'f':
1.1403 + if (index < aData.Length()) {
1.1404 + JS::Rooted<JS::Value> value(aCx, aData[index++]);
1.1405 +
1.1406 + double v;
1.1407 + if (!JS::ToNumber(aCx, value, &v)) {
1.1408 + return;
1.1409 + }
1.1410 +
1.1411 + nsCString format;
1.1412 + MakeFormatString(format, integer, mantissa, 'f');
1.1413 + output.AppendPrintf(format.get(), v);
1.1414 + }
1.1415 + break;
1.1416 +
1.1417 + default:
1.1418 + output.Append(tmp);
1.1419 + break;
1.1420 + }
1.1421 + }
1.1422 +
1.1423 + if (!output.IsEmpty()) {
1.1424 + JS::Rooted<JSString*> str(aCx, JS_NewUCStringCopyN(aCx, output.get(),
1.1425 + output.Length()));
1.1426 + if (!str) {
1.1427 + return;
1.1428 + }
1.1429 +
1.1430 + aSequence.AppendElement(JS::StringValue(str));
1.1431 + }
1.1432 +
1.1433 + // The rest of the array, if unused by the format string.
1.1434 + for (; index < aData.Length(); ++index) {
1.1435 + aSequence.AppendElement(aData[index]);
1.1436 + }
1.1437 +}
1.1438 +
1.1439 +void
1.1440 +Console::MakeFormatString(nsCString& aFormat, int32_t aInteger,
1.1441 + int32_t aMantissa, char aCh)
1.1442 +{
1.1443 + aFormat.Append("%");
1.1444 + if (aInteger >= 0) {
1.1445 + aFormat.AppendInt(aInteger);
1.1446 + }
1.1447 +
1.1448 + if (aMantissa >= 0) {
1.1449 + aFormat.Append(".");
1.1450 + aFormat.AppendInt(aMantissa);
1.1451 + }
1.1452 +
1.1453 + aFormat.Append(aCh);
1.1454 +}
1.1455 +
1.1456 +void
1.1457 +Console::ComposeGroupName(JSContext* aCx,
1.1458 + const nsTArray<JS::Heap<JS::Value>>& aData,
1.1459 + nsAString& aName)
1.1460 +{
1.1461 + for (uint32_t i = 0; i < aData.Length(); ++i) {
1.1462 + if (i != 0) {
1.1463 + aName.AppendASCII(" ");
1.1464 + }
1.1465 +
1.1466 + JS::Rooted<JS::Value> value(aCx, aData[i]);
1.1467 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
1.1468 + if (!jsString) {
1.1469 + return;
1.1470 + }
1.1471 +
1.1472 + nsDependentJSString string;
1.1473 + if (!string.init(aCx, jsString)) {
1.1474 + return;
1.1475 + }
1.1476 +
1.1477 + aName.Append(string);
1.1478 + }
1.1479 +}
1.1480 +
1.1481 +JS::Value
1.1482 +Console::StartTimer(JSContext* aCx, const JS::Value& aName,
1.1483 + DOMHighResTimeStamp aTimestamp)
1.1484 +{
1.1485 + if (mTimerRegistry.Count() >= MAX_PAGE_TIMERS) {
1.1486 + RootedDictionary<ConsoleTimerError> error(aCx);
1.1487 +
1.1488 + JS::Rooted<JS::Value> value(aCx);
1.1489 + if (!error.ToObject(aCx, &value)) {
1.1490 + return JS::UndefinedValue();
1.1491 + }
1.1492 +
1.1493 + return value;
1.1494 + }
1.1495 +
1.1496 + RootedDictionary<ConsoleTimerStart> timer(aCx);
1.1497 +
1.1498 + JS::Rooted<JS::Value> name(aCx, aName);
1.1499 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, name));
1.1500 + if (!jsString) {
1.1501 + return JS::UndefinedValue();
1.1502 + }
1.1503 +
1.1504 + nsDependentJSString key;
1.1505 + if (!key.init(aCx, jsString)) {
1.1506 + return JS::UndefinedValue();
1.1507 + }
1.1508 +
1.1509 + timer.mName = key;
1.1510 +
1.1511 + DOMHighResTimeStamp entry;
1.1512 + if (!mTimerRegistry.Get(key, &entry)) {
1.1513 + mTimerRegistry.Put(key, aTimestamp);
1.1514 + } else {
1.1515 + aTimestamp = entry;
1.1516 + }
1.1517 +
1.1518 + timer.mStarted = aTimestamp;
1.1519 +
1.1520 + JS::Rooted<JS::Value> value(aCx);
1.1521 + if (!timer.ToObject(aCx, &value)) {
1.1522 + return JS::UndefinedValue();
1.1523 + }
1.1524 +
1.1525 + return value;
1.1526 +}
1.1527 +
1.1528 +JS::Value
1.1529 +Console::StopTimer(JSContext* aCx, const JS::Value& aName,
1.1530 + DOMHighResTimeStamp aTimestamp)
1.1531 +{
1.1532 + JS::Rooted<JS::Value> name(aCx, aName);
1.1533 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, name));
1.1534 + if (!jsString) {
1.1535 + return JS::UndefinedValue();
1.1536 + }
1.1537 +
1.1538 + nsDependentJSString key;
1.1539 + if (!key.init(aCx, jsString)) {
1.1540 + return JS::UndefinedValue();
1.1541 + }
1.1542 +
1.1543 + DOMHighResTimeStamp entry;
1.1544 + if (!mTimerRegistry.Get(key, &entry)) {
1.1545 + return JS::UndefinedValue();
1.1546 + }
1.1547 +
1.1548 + mTimerRegistry.Remove(key);
1.1549 +
1.1550 + RootedDictionary<ConsoleTimerEnd> timer(aCx);
1.1551 + timer.mName = key;
1.1552 + timer.mDuration = aTimestamp - entry;
1.1553 +
1.1554 + JS::Rooted<JS::Value> value(aCx);
1.1555 + if (!timer.ToObject(aCx, &value)) {
1.1556 + return JS::UndefinedValue();
1.1557 + }
1.1558 +
1.1559 + return value;
1.1560 +}
1.1561 +
1.1562 +void
1.1563 +Console::ArgumentsToValueList(const nsTArray<JS::Heap<JS::Value>>& aData,
1.1564 + Sequence<JS::Value>& aSequence)
1.1565 +{
1.1566 + for (uint32_t i = 0; i < aData.Length(); ++i) {
1.1567 + aSequence.AppendElement(aData[i]);
1.1568 + }
1.1569 +}
1.1570 +
1.1571 +JS::Value
1.1572 +Console::IncreaseCounter(JSContext* aCx, const ConsoleStackEntry& aFrame,
1.1573 + const nsTArray<JS::Heap<JS::Value>>& aArguments)
1.1574 +{
1.1575 + ClearException ce(aCx);
1.1576 +
1.1577 + nsAutoString key;
1.1578 + nsAutoString label;
1.1579 +
1.1580 + if (!aArguments.IsEmpty()) {
1.1581 + JS::Rooted<JS::Value> labelValue(aCx, aArguments[0]);
1.1582 + JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, labelValue));
1.1583 +
1.1584 + nsDependentJSString string;
1.1585 + if (jsString && string.init(aCx, jsString)) {
1.1586 + label = string;
1.1587 + key = string;
1.1588 + }
1.1589 + }
1.1590 +
1.1591 + if (key.IsEmpty()) {
1.1592 + key.Append(aFrame.mFilename);
1.1593 + key.Append(NS_LITERAL_STRING(":"));
1.1594 + key.AppendInt(aFrame.mLineNumber);
1.1595 + }
1.1596 +
1.1597 + uint32_t count = 0;
1.1598 + if (!mCounterRegistry.Get(key, &count)) {
1.1599 + if (mCounterRegistry.Count() >= MAX_PAGE_COUNTERS) {
1.1600 + RootedDictionary<ConsoleCounterError> error(aCx);
1.1601 +
1.1602 + JS::Rooted<JS::Value> value(aCx);
1.1603 + if (!error.ToObject(aCx, &value)) {
1.1604 + return JS::UndefinedValue();
1.1605 + }
1.1606 +
1.1607 + return value;
1.1608 + }
1.1609 + }
1.1610 +
1.1611 + ++count;
1.1612 + mCounterRegistry.Put(key, count);
1.1613 +
1.1614 + RootedDictionary<ConsoleCounter> data(aCx);
1.1615 + data.mLabel = label;
1.1616 + data.mCount = count;
1.1617 +
1.1618 + JS::Rooted<JS::Value> value(aCx);
1.1619 + if (!data.ToObject(aCx, &value)) {
1.1620 + return JS::UndefinedValue();
1.1621 + }
1.1622 +
1.1623 + return value;
1.1624 +}
1.1625 +
1.1626 +void
1.1627 +Console::ClearConsoleData()
1.1628 +{
1.1629 + while (ConsoleCallData* data = mQueuedCalls.popFirst()) {
1.1630 + delete data;
1.1631 + }
1.1632 +}
1.1633 +
1.1634 +bool
1.1635 +Console::ShouldIncludeStackrace(MethodName aMethodName)
1.1636 +{
1.1637 + switch (aMethodName) {
1.1638 + case MethodError:
1.1639 + case MethodException:
1.1640 + case MethodAssert:
1.1641 + case MethodTrace:
1.1642 + return true;
1.1643 + default:
1.1644 + return false;
1.1645 + }
1.1646 +}
1.1647 +
1.1648 +} // namespace dom
1.1649 +} // namespace mozilla
