/**
 *    Copyright (C) 2018-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

/**
 * Compiler-specific implementations for MSVC.
 *
 * Refer to mongo/platform/compiler.h for usage documentation.
 */

#pragma once


// Microsoft seems opposed to implementing this:
// https://connect.microsoft.com/VisualStudio/feedback/details/804542
#define MONGO_COMPILER_COLD_FUNCTION

#define MONGO_COMPILER_NORETURN __declspec(noreturn)

#define MONGO_COMPILER_ALIGN_TYPE(ALIGNMENT) __declspec(align(ALIGNMENT))

#define MONGO_COMPILER_ALIGN_VARIABLE(ALIGNMENT) __declspec(align(ALIGNMENT))

#define MONGO_COMPILER_API_EXPORT __declspec(dllexport)
#define MONGO_COMPILER_API_IMPORT __declspec(dllimport)
#define MONGO_COMPILER_API_HIDDEN_FUNCTION

#define MONGO_COMPILER_NOINLINE __declspec(noinline)

#define MONGO_WARN_UNUSED_RESULT_CLASS
#define MONGO_WARN_UNUSED_RESULT_FUNCTION

#ifdef _M_IX86
// 32-bit x86 supports multiple of calling conventions.  We build supporting the cdecl convention
// (most common).  By labeling our exported and imported functions as such, we do a small favor to
// 32-bit Windows developers.
#define MONGO_COMPILER_API_CALLING_CONVENTION __cdecl
#else
#define MONGO_COMPILER_API_CALLING_CONVENTION
#endif

#define MONGO_likely(x) bool(x)
#define MONGO_unlikely(x) bool(x)

#define MONGO_COMPILER_ALWAYS_INLINE __forceinline

#define MONGO_COMPILER_UNREACHABLE __assume(false)

#define MONGO_COMPILER_RETURNS_NONNULL

#define MONGO_COMPILER_MALLOC __declspec(restrict)

#define MONGO_COMPILER_ALLOC_SIZE(varindex)