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/*
* Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_ASSERTIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_ASSERTIONS_H_
#include <stdarg.h>
#include "base/check.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "third_party/blink/renderer/platform/wtf/wtf_export.h"
#if DCHECK_IS_ON()
#define DCHECK_AT(condition, location) \
LOGGING_CHECK_FUNCTION_IMPL( \
::logging::CheckError::DCheck(#condition, location), condition)
#else
#define DCHECK_AT(condition, location) EAT_CHECK_STREAM_PARAMS(!(condition))
#endif // DCHECK_IS_ON()
// Users must test "#if ENABLE_SECURITY_ASSERT", which helps ensure that code
// testing this macro has included this header.
#if defined(ADDRESS_SANITIZER) || DCHECK_IS_ON()
#define ENABLE_SECURITY_ASSERT 1
#else
#define ENABLE_SECURITY_ASSERT 0
#endif
// SECURITY_DCHECK and SECURITY_CHECK
// Use in places where failure of the assertion indicates a possible security
// vulnerability. Classes of these vulnerabilities include bad casts, out of
// bounds accesses, use-after-frees, etc. Please be sure to file bugs for these
// failures using the security template:
// https://bugs.chromium.org/p/chromium/issues/entry?template=Security%20Bug
#if ENABLE_SECURITY_ASSERT
#define SECURITY_DCHECK(condition) \
LOG_IF(FATAL, !(condition)) << "Security DCHECK failed: " #condition ". "
// A SECURITY_CHECK failure is actually not vulnerable.
#define SECURITY_CHECK(condition) \
LOG_IF(FATAL, !(condition)) << "Security CHECK failed: " #condition ". "
#else
#define SECURITY_DCHECK(condition) ((void)0)
#define SECURITY_CHECK(condition) CHECK(condition)
#endif
// DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES
// Allow equality comparisons of Objects by reference or pointer,
// interchangeably. This can be only used on types whose equality makes no
// other sense than pointer equality.
#define DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES(Type) \
inline bool operator==(const Type& a, const Type& b) { return &a == &b; } \
inline bool operator==(const Type& a, const Type* b) { return &a == b; } \
inline bool operator==(const Type* a, const Type& b) { return a == &b; } \
inline bool operator!=(const Type& a, const Type& b) { return !(a == b); } \
inline bool operator!=(const Type& a, const Type* b) { return !(a == b); } \
inline bool operator!=(const Type* a, const Type& b) { return !(a == b); }
// Check at compile time that related enums stay in sync.
#define STATIC_ASSERT_ENUM(a, b) \
static_assert(static_cast<int>(a) == static_cast<int>(b), \
"mismatching enum: " #a)
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_ASSERTIONS_H_
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