dom/bindings/Exceptions.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/bindings/Exceptions.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,60 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef mozilla_dom_Exceptions_h__
    1.10 +#define mozilla_dom_Exceptions_h__
    1.11 +
    1.12 +// DOM exception throwing machinery (for both main thread and workers).
    1.13 +
    1.14 +#include <stdint.h>
    1.15 +#include "jspubtd.h"
    1.16 +#include "nsIException.h"
    1.17 +
    1.18 +class nsIStackFrame;
    1.19 +template <class T>
    1.20 +class already_AddRefed;
    1.21 +
    1.22 +namespace mozilla {
    1.23 +namespace dom {
    1.24 +
    1.25 +class Exception;
    1.26 +
    1.27 +bool
    1.28 +Throw(JSContext* cx, nsresult rv, const char* sz = nullptr);
    1.29 +
    1.30 +bool
    1.31 +ThrowExceptionObject(JSContext* aCx, Exception* aException);
    1.32 +
    1.33 +bool
    1.34 +ThrowExceptionObject(JSContext* aCx, nsIException* aException);
    1.35 +
    1.36 +// Create an exception object for the given nsresult and message but
    1.37 +// don't set it pending on aCx.  This never returns null.
    1.38 +already_AddRefed<Exception>
    1.39 +CreateException(JSContext* aCx, nsresult aRv, const char* aMessage = nullptr);
    1.40 +
    1.41 +already_AddRefed<nsIStackFrame>
    1.42 +GetCurrentJSStack();
    1.43 +
    1.44 +// Internal stuff not intended to be widely used.
    1.45 +namespace exceptions {
    1.46 +
    1.47 +// aMaxDepth can be used to define a maximal depth for the stack trace. If the
    1.48 +// value is -1, a default maximal depth will be selected.
    1.49 +already_AddRefed<nsIStackFrame>
    1.50 +CreateStack(JSContext* aCx, int32_t aMaxDepth = -1);
    1.51 +
    1.52 +already_AddRefed<nsIStackFrame>
    1.53 +CreateStackFrameLocation(uint32_t aLanguage,
    1.54 +                         const char* aFilename,
    1.55 +                         const char* aFunctionName,
    1.56 +                         int32_t aLineNumber,
    1.57 +                         nsIStackFrame* aCaller);
    1.58 +
    1.59 +} // namespace exceptions
    1.60 +} // namespace dom
    1.61 +} // namespace mozilla
    1.62 +
    1.63 +#endif

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