dom/workers/WorkerError.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_workers_WorkerError_h
   8 #define mozilla_dom_workers_WorkerError_h
   9
  10 #include "mozilla/dom/SerializedStackHolder.h"
  11 #include "mozilla/dom/WorkerCommon.h"
  12 #include "jsapi.h"
  13
  14 namespace mozilla {
  15
  16 class DOMEventTargetHelper;
  17
  18 namespace dom {
  19
  20 class ErrorData;
  21 class WorkerErrorBase {
  22  public:
  23   nsString mMessage;
  24   nsString mFilename;
  25   uint32_t mLineNumber;
  26   uint32_t mColumnNumber;
  27   uint32_t mErrorNumber;
  28
  29   WorkerErrorBase() : mLineNumber(0), mColumnNumber(0), mErrorNumber(0) {}
  30
  31   void AssignErrorBase(JSErrorBase* aReport);
  32 };
  33
  34 class WorkerErrorNote : public WorkerErrorBase {
  35  public:
  36   void AssignErrorNote(JSErrorNotes::Note* aNote);
  37 };
  38
  39 class WorkerPrivate;
  40
  41 class WorkerErrorReport : public WorkerErrorBase, public SerializedStackHolder {
  42  public:
  43   nsString mLine;
  44   bool mIsWarning;
  45   JSExnType mExnType;
  46   bool mMutedError;
  47   nsTArray<WorkerErrorNote> mNotes;
  48
  49   WorkerErrorReport();
  50
  51   void AssignErrorReport(JSErrorReport* aReport);
  52
  53   // aWorkerPrivate is the worker thread we're on (or the main thread, if null)
  54   // aTarget is the worker object that we are going to fire an error at
  55   // (if any).
  56   static void ReportError(
  57       JSContext* aCx, WorkerPrivate* aWorkerPrivate, bool aFireAtScope,
  58       DOMEventTargetHelper* aTarget, UniquePtr<WorkerErrorReport> aReport,
  59       uint64_t aInnerWindowId,
  60       JS::Handle<JS::Value> aException = JS::NullHandleValue);
  61
  62   static void LogErrorToConsole(JSContext* aCx, WorkerErrorReport& aReport,
  63                                 uint64_t aInnerWindowId);
  64
  65   static void LogErrorToConsole(const mozilla::dom::ErrorData& aReport,
  66                                 uint64_t aInnerWindowId,
  67                                 JS::HandleObject aStack = nullptr,
  68                                 JS::HandleObject aStackGlobal = nullptr);
  69
  70   static void CreateAndDispatchGenericErrorRunnableToParent(
  71       WorkerPrivate* aWorkerPrivate);
  72 };
  73
  74 }  // namespace dom
  75 }  // namespace mozilla
  76
  77 #endif  // mozilla_dom_workers_WorkerError_h