Quelle WorkerError.h Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_workers_WorkerError_h
#define mozilla_dom_workers_WorkerError_h

#include "mozilla/dom/SerializedStackHolder.h"
#include "mozilla/dom/WorkerCommon.h"
#include "jsapi.h"

namespace mozilla {

class DOMEventTargetHelper;

namespace dom {

class ErrorData;
class WorkerErrorBase {
public:
  nsString mMessage;
  nsCString mFilename;
  // Line number (1-origin).
  uint32_t mLineNumber = 0;
  // Column number in UTF-16 code units (1-origin).
  uint32_t mColumnNumber = 0;
  uint32_t mErrorNumber = 0;

  WorkerErrorBase() = default;

  void AssignErrorBase(JSErrorBase* aReport);
};

class WorkerErrorNote : public WorkerErrorBase {
public:
  void AssignErrorNote(JSErrorNotes::Note* aNote);
};

class WorkerPrivate;

class WorkerErrorReport : public WorkerErrorBase, public SerializedStackHolder {
public:
  bool mIsWarning;
  JSExnType mExnType;
  bool mMutedError;
  nsTArray<WorkerErrorNote> mNotes;

  WorkerErrorReport();

  void AssignErrorReport(JSErrorReport* aReport);

  // aWorkerPrivate is the worker thread we're on (or the main thread, if null)
  // aTarget is the worker object that we are going to fire an error at
  // (if any).
  // TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1743443)
  MOZ_CAN_RUN_SCRIPT_BOUNDARY static void ReportError(
      JSContext* aCx, WorkerPrivate* aWorkerPrivate, bool aFireAtScope,
      DOMEventTargetHelper* aTarget, UniquePtr<WorkerErrorReport> aReport,
      uint64_t aInnerWindowId,
      JS::Handle<JS::Value> aException = JS::NullHandleValue);

  static void LogErrorToConsole(JSContext* aCx, WorkerErrorReport& aReport,
                                uint64_t aInnerWindowId);

  static void LogErrorToConsole(const mozilla::dom::ErrorData& aReport,
                                uint64_t aInnerWindowId,
                                JS::Handle<JSObject*> aStack = nullptr,
                                JS::Handle<JSObject*> aStackGlobal = nullptr);

  static void LogErrorToConsole(const nsAString& aMessage);

  static void CreateAndDispatchGenericErrorRunnableToParent(
      WorkerPrivate* aWorkerPrivate);
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_workers_WorkerError_h

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