mfbt/StaticAnalysisFunctions.h
author Alessio Placitelli <alessio.placitelli@gmail.com>
Wed, 07 Sep 2016 02:39:00 +0200
changeset 314717 66a2fa62d7601aaae4069bc9a2c4ec13854f65e7
parent 307057 a80d40bf2276c22cca72bb7c2f0e76441fcc48ea
permissions -rw-r--r--
Bug 1277806 - Add support for the keyed scalars to the scalar registry. r=gfritzsche MozReview-Commit-ID: 8dKj92Kh2Ev

/* -*- 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 */