gecko-dev/mfbt/StaticAnalysisFunctions.h

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C
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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_StaticAnalysisFunctions_h
#define mozilla_StaticAnalysisFunctions_h
#ifndef __cplusplus
#ifndef bool
#include <stdbool.h>
#endif
#endif
/*
* Functions that are used as markers in Gecko code for static analysis. Their
* purpose is to have different AST nodes generated during compile time and to
* match them based on different checkers implemented in build/clang-plugin
*/
#ifdef MOZ_CLANG_PLUGIN
#ifdef __cplusplus
extern "C" {
#endif
/*
* MOZ_AssertAssignmentTest - used in MOZ_ASSERT in order to test the possible
* presence of assignment instead of logical comparisons.
*
* Example:
* MOZ_ASSERT(retVal = true);
*/
static MOZ_ALWAYS_INLINE bool MOZ_AssertAssignmentTest(bool exprResult) {
return exprResult;
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#define MOZ_CHECK_ASSERT_ASSIGNMENT(expr) MOZ_AssertAssignmentTest(!!(expr))
#else
#define MOZ_CHECK_ASSERT_ASSIGNMENT(expr) (!!(expr))
#endif /* MOZ_CLANG_PLUGIN */
#endif /* StaticAnalysisFunctions_h */