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   // Line number (1-origin).
  26   uint32_t mLineNumber;
  27   // Column number in UTF-16 code units (1-origin).
  28   uint32_t mColumnNumber;
  29   uint32_t mErrorNumber;
  30
  31   WorkerErrorBase() : mLineNumber(0), mColumnNumber(0), mErrorNumber(0) {}
  32
  33   void AssignErrorBase(JSErrorBase* aReport);
  34 };
  35
  36 class WorkerErrorNote : public WorkerErrorBase {
  37  public:
  38   void AssignErrorNote(JSErrorNotes::Note* aNote);
  39 };
  40
  41 class WorkerPrivate;
  42
  43 class WorkerErrorReport : public WorkerErrorBase, public SerializedStackHolder {
  44  public:
  45   nsString mLine;
  46   bool mIsWarning;
  47   JSExnType mExnType;
  48   bool mMutedError;
  49   nsTArray<WorkerErrorNote> mNotes;
  50
  51   WorkerErrorReport();
  52
  53   void AssignErrorReport(JSErrorReport* aReport);
  54
  55   // aWorkerPrivate is the worker thread we're on (or the main thread, if null)
  56   // aTarget is the worker object that we are going to fire an error at
  57   // (if any).
  58   // TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1743443)
  59   MOZ_CAN_RUN_SCRIPT_BOUNDARY static void ReportError(
  60       JSContext* aCx, WorkerPrivate* aWorkerPrivate, bool aFireAtScope,
  61       DOMEventTargetHelper* aTarget, UniquePtr<WorkerErrorReport> aReport,
  62       uint64_t aInnerWindowId,
  63       JS::Handle<JS::Value> aException = JS::NullHandleValue);
  64
  65   static void LogErrorToConsole(JSContext* aCx, WorkerErrorReport& aReport,
  66                                 uint64_t aInnerWindowId);
  67
  68   static void LogErrorToConsole(const mozilla::dom::ErrorData& aReport,
  69                                 uint64_t aInnerWindowId,
  70                                 JS::Handle<JSObject*> aStack = nullptr,
  71                                 JS::Handle<JSObject*> aStackGlobal = nullptr);
  72
  73   static void CreateAndDispatchGenericErrorRunnableToParent(
  74       WorkerPrivate* aWorkerPrivate);
  75 };
  76
  77 }  // namespace dom
  78 }  // namespace mozilla
  79
  80 #endif  // mozilla_dom_workers_WorkerError_h