pjs/mfbt/Assertions.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sw=4 et tw=99 ft=cpp:
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jeff Walden <jwalden+code@mit.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_Assertions_h_
#define mozilla_Assertions_h_
#include "mozilla/Types.h"
/*
* XXX: we're cheating here in order to avoid creating object files
* for mfbt /just/ to provide a function like FatalError() to be used
* by MOZ_ASSERT(). (It'll happen eventually, but for just ASSERT()
* it isn't worth the pain.) JS_Assert(), although unfortunately
* named, is part of SpiderMonkey's stable, external API, so this
* isn't quite as bad as it seems.
*
* Once mfbt needs object files, this unholy union with JS_Assert()
* will be broken.
*
* JS_Assert is present even in release builds, for the benefit of applications
* that build DEBUG and link against a non-DEBUG SpiderMonkey library.
*/
#ifdef __cplusplus
extern "C" {
#endif
extern MFBT_API(void)
JS_Assert(const char* s, const char* file, int ln);
#ifdef __cplusplus
} /* extern "C" */
#endif
/*
* MOZ_ASSERT() is a "strong" assertion of state, like libc's
* assert(). If a MOZ_ASSERT() fails in a debug build, the process in
* which it fails will stop running in a loud and dramatic way.
*/
#ifdef DEBUG
# define MOZ_ASSERT(expr_) \
((expr_) ? ((void)0) : JS_Assert(#expr_, __FILE__, __LINE__))
#else
# define MOZ_ASSERT(expr_) ((void)0)
#endif /* DEBUG */
#endif /* mozilla_Assertions_h_ */