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/* -*- 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_nsScriptError_h
#define mozilla_dom_nsScriptError_h
#include "mozilla/Atomics.h"
#include <stdint.h>
#include "jsapi.h"
#include "js/RootingAPI.h"
#include "nsCOMArray.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIScriptError.h"
#include "nsString.h"
class nsGlobalWindowInner;
class nsScriptErrorNote final : public nsIScriptErrorNote {
public:
nsScriptErrorNote();
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSISCRIPTERRORNOTE
void Init(const nsAString& message, const nsAString& sourceName,
uint32_t sourceId, uint32_t lineNumber, uint32_t columnNumber);
private:
virtual ~nsScriptErrorNote();
nsString mMessage;
nsString mSourceName;
nsString mCssSelectors;
nsString mSourceLine;
uint32_t mSourceId;
uint32_t mLineNumber;
uint32_t mColumnNumber;
};
// Definition of nsScriptError..
class nsScriptErrorBase : public nsIScriptError {
public:
nsScriptErrorBase();
NS_DECL_NSICONSOLEMESSAGE
NS_DECL_NSISCRIPTERROR
void AddNote(nsIScriptErrorNote* note);
static bool ComputeIsFromPrivateWindow(nsGlobalWindowInner* aWindow);
static bool ComputeIsFromChromeContext(nsGlobalWindowInner* aWindow);
protected:
virtual ~nsScriptErrorBase();
void InitializeOnMainThread();
void InitializationHelper(const nsAString& message,
const nsAString& sourceLine, uint32_t lineNumber,
uint32_t columnNumber, uint32_t flags,
const nsACString& category, uint64_t aInnerWindowID,
bool aFromChromeContext);
nsCOMArray<nsIScriptErrorNote> mNotes;
nsString mMessage;
nsString mMessageName;
nsString mSourceName;
nsString mCssSelectors;
uint32_t mSourceId;
uint32_t mLineNumber;
nsString mSourceLine;
uint32_t mColumnNumber;
uint32_t mFlags;
nsCString mCategory;
// mOuterWindowID is set on the main thread from InitializeOnMainThread().
uint64_t mOuterWindowID;
uint64_t mInnerWindowID;
int64_t mTimeStamp;
// mInitializedOnMainThread, mIsFromPrivateWindow and mIsFromChromeContext are
// set on the main thread from InitializeOnMainThread().
mozilla::Atomic<bool> mInitializedOnMainThread;
bool mIsFromPrivateWindow;
bool mIsFromChromeContext;
bool mIsPromiseRejection;
bool mIsForwardedFromContentProcess;
};
class nsScriptError final : public nsScriptErrorBase {
public:
nsScriptError() = default;
NS_DECL_THREADSAFE_ISUPPORTS
private:
virtual ~nsScriptError() = default;
};
class nsScriptErrorWithStack : public nsScriptErrorBase {
public:
nsScriptErrorWithStack(JS::Handle<mozilla::Maybe<JS::Value>> aException,
JS::HandleObject aStack,
JS::HandleObject aStackGlobal);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsScriptErrorWithStack)
NS_IMETHOD GetHasException(bool*) override;
NS_IMETHOD GetException(JS::MutableHandleValue) override;
NS_IMETHOD GetStack(JS::MutableHandleValue) override;
NS_IMETHOD GetStackGlobal(JS::MutableHandleValue) override;
NS_IMETHOD ToString(nsACString& aResult) override;
private:
virtual ~nsScriptErrorWithStack();
// The "exception" value.
JS::Heap<JS::Value> mException;
bool mHasException;
// Complete stackframe where the error happened.
// Must be a (possibly wrapped) SavedFrame object.
JS::Heap<JSObject*> mStack;
// Global object that must be same-compartment with mStack.
JS::Heap<JSObject*> mStackGlobal;
};
// Creates either nsScriptErrorWithStack or nsScriptError,
// depending on whether |aStack| or |aException| is passed.
// Additionally when the first (optional) |win| argument is
// provided this function makes sure that the GlobalWindow
// isn't already dying to prevent leaks.
already_AddRefed<nsScriptErrorBase> CreateScriptError(
nsGlobalWindowInner* win, JS::Handle<mozilla::Maybe<JS::Value>> aException,
JS::HandleObject aStack, JS::HandleObject aStackGlobal);
#endif /* mozilla_dom_nsScriptError_h */