/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#ifndef TENSORFLOW_TSL_PLATFORM_PLATFORM_H_
#define TENSORFLOW_TSL_PLATFORM_PLATFORM_H_

// Set one PLATFORM_* macro and set IS_MOBILE_PLATFORM if the platform is for
// mobile.

#if !defined(PLATFORM_POSIX) && !defined(PLATFORM_GOOGLE) &&                 \
    !defined(PLATFORM_POSIX_ANDROID) && !defined(PLATFORM_GOOGLE_ANDROID) && \
    !defined(PLATFORM_WINDOWS)

// Choose which platform we are on.
#if defined(ANDROID) || defined(__ANDROID__)
#define PLATFORM_POSIX_ANDROID
#define IS_MOBILE_PLATFORM

#elif defined(__APPLE__)
#include "TargetConditionals.h"
#if TARGET_IPHONE_SIMULATOR || TARGET_OS_IPHONE
#define PLATFORM_POSIX_IOS
#define IS_MOBILE_PLATFORM
#else
// If no platform specified, use:
#define PLATFORM_POSIX
#endif

#elif defined(_WIN32)
#define PLATFORM_WINDOWS

#elif defined(__EMSCRIPTEN__)
#define PLATFORM_PORTABLE_GOOGLE
#define PLATFORM_POSIX
// EMSCRIPTEN builds are considered "mobile" for the sake of portability.
#define IS_MOBILE_PLATFORM

#elif defined(__TF_CHROMIUMOS__)
#define PLATFORM_PORTABLE_GOOGLE
#define PLATFORM_POSIX
#define PLATFORM_CHROMIUMOS

#elif defined(__Fuchsia__)
#define PLATFORM_FUCHSIA
// PLATFORM_GOOGLE needs to be defined by default to get the right header
// files.
#define PLATFORM_GOOGLE

#elif defined(__CHROME__)
#define PLATFORM_POSIX
#define PLATFORM_PORTABLE_GOOGLE

#else
// If no platform specified, use:
#define PLATFORM_POSIX

#endif
#endif

// Look for both gcc/clang and Visual Studio macros indicating we're compiling
// for an x86 device.
#if defined(__x86_64__) || defined(__amd64__) || defined(_M_IX86) || \
    defined(_M_X64)
#define PLATFORM_IS_X86
#endif

// Check if we are compiling for an arm device.
#if defined(__arm__) || defined(__aarch64__)
#define PLATFORM_IS_ARM
#if defined(__aarch64__)
#define PLATFORM_IS_ARM64
#else
#define PLATFORM_IS_ARM32
#endif
#endif

#define TSL_IS_IN_OSS 1

#ifdef __cplusplus
namespace tsl {
// Constant which is false internally and true in open source.
inline constexpr bool kIsOpenSource = TSL_IS_IN_OSS;
}  // namespace tsl
#endif

#endif  // TENSORFLOW_TSL_PLATFORM_PLATFORM_H_