forked from mirrors/gecko-dev
96c3cea2ea
Those will be consumed by DevTools webconsole so we can order messages emitted within the same millisecond more precisely (see next patch in queue) Differential Revision: https://phabricator.services.mozilla.com/D155545
143 lines
4.3 KiB
C++
143 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_nsScriptError_h
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#define mozilla_dom_nsScriptError_h
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#include "mozilla/Atomics.h"
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#include <stdint.h>
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#include "jsapi.h"
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#include "js/RootingAPI.h"
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#include "nsCOMArray.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIScriptError.h"
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#include "nsString.h"
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class nsGlobalWindowInner;
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class nsScriptErrorNote final : public nsIScriptErrorNote {
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public:
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nsScriptErrorNote();
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSISCRIPTERRORNOTE
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void Init(const nsAString& message, const nsAString& sourceName,
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uint32_t sourceId, uint32_t lineNumber, uint32_t columnNumber);
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private:
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virtual ~nsScriptErrorNote();
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nsString mMessage;
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nsString mSourceName;
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nsString mCssSelectors;
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nsString mSourceLine;
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uint32_t mSourceId;
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uint32_t mLineNumber;
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uint32_t mColumnNumber;
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};
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// Definition of nsScriptError..
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class nsScriptErrorBase : public nsIScriptError {
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public:
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nsScriptErrorBase();
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NS_DECL_NSICONSOLEMESSAGE
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NS_DECL_NSISCRIPTERROR
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void AddNote(nsIScriptErrorNote* note);
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static bool ComputeIsFromPrivateWindow(nsGlobalWindowInner* aWindow);
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static bool ComputeIsFromChromeContext(nsGlobalWindowInner* aWindow);
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protected:
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virtual ~nsScriptErrorBase();
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void InitializeOnMainThread();
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void InitializationHelper(const nsAString& message,
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const nsAString& sourceLine, uint32_t lineNumber,
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uint32_t columnNumber, uint32_t flags,
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const nsACString& category, uint64_t aInnerWindowID,
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bool aFromChromeContext);
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nsCOMArray<nsIScriptErrorNote> mNotes;
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nsString mMessage;
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nsString mMessageName;
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nsString mSourceName;
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nsString mCssSelectors;
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uint32_t mSourceId;
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uint32_t mLineNumber;
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nsString mSourceLine;
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uint32_t mColumnNumber;
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uint32_t mFlags;
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nsCString mCategory;
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// mOuterWindowID is set on the main thread from InitializeOnMainThread().
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uint64_t mOuterWindowID;
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uint64_t mInnerWindowID;
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int64_t mMicroSecondTimeStamp;
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// mInitializedOnMainThread, mIsFromPrivateWindow and mIsFromChromeContext are
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// set on the main thread from InitializeOnMainThread().
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mozilla::Atomic<bool> mInitializedOnMainThread;
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bool mIsFromPrivateWindow;
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bool mIsFromChromeContext;
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bool mIsPromiseRejection;
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bool mIsForwardedFromContentProcess;
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};
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class nsScriptError final : public nsScriptErrorBase {
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public:
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nsScriptError() = default;
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NS_DECL_THREADSAFE_ISUPPORTS
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private:
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virtual ~nsScriptError() = default;
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};
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class nsScriptErrorWithStack : public nsScriptErrorBase {
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public:
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nsScriptErrorWithStack(JS::Handle<mozilla::Maybe<JS::Value>> aException,
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JS::Handle<JSObject*> aStack,
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JS::Handle<JSObject*> aStackGlobal);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsScriptErrorWithStack)
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NS_IMETHOD GetHasException(bool*) override;
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NS_IMETHOD GetException(JS::MutableHandle<JS::Value>) override;
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NS_IMETHOD GetStack(JS::MutableHandle<JS::Value>) override;
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NS_IMETHOD GetStackGlobal(JS::MutableHandle<JS::Value>) override;
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NS_IMETHOD ToString(nsACString& aResult) override;
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private:
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virtual ~nsScriptErrorWithStack();
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// The "exception" value.
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JS::Heap<JS::Value> mException;
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bool mHasException;
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// Complete stackframe where the error happened.
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// Must be a (possibly wrapped) SavedFrame object.
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JS::Heap<JSObject*> mStack;
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// Global object that must be same-compartment with mStack.
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JS::Heap<JSObject*> mStackGlobal;
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};
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// Creates either nsScriptErrorWithStack or nsScriptError,
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// depending on whether |aStack| or |aException| is passed.
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// Additionally when the first (optional) |win| argument is
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// provided this function makes sure that the GlobalWindow
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// isn't already dying to prevent leaks.
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already_AddRefed<nsScriptErrorBase> CreateScriptError(
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nsGlobalWindowInner* win, JS::Handle<mozilla::Maybe<JS::Value>> aException,
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JS::Handle<JSObject*> aStack, JS::Handle<JSObject*> aStackGlobal);
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#endif /* mozilla_dom_nsScriptError_h */
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