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tomlplusplus/include/toml++/impl/preprocessor.h
Mark Gillard e47ef8cfb2 removed git submodules to fix various tooling issues (closes #151) 
- removed submodules in `external/`
- vendored `Catch2` and `nlohmann/json directly`
- updated conformance test generator to look outside the repo for test sources
2022-05-01 12:20:03 +03:00

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//# This file is a part of toml++ and is subject to the the terms of the MIT license.
//# Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
//# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT
// clang-format off
#pragma once
#ifndef __cplusplus
#error toml++ is a C++ library.
#endif
//#====================================================================================================================
//# COMPILER DETECTION
//#====================================================================================================================
#ifdef __INTELLISENSE__
#define TOML_INTELLISENSE 1
#else
#define TOML_INTELLISENSE 0
#endif
#ifdef __clang__
#define TOML_CLANG __clang_major__
#else
#define TOML_CLANG 0
#endif
#ifdef __INTEL_COMPILER
#define TOML_ICC __INTEL_COMPILER
#ifdef __ICL
#define TOML_ICC_CL TOML_ICC
#else
#define TOML_ICC_CL 0
#endif
#else
#define TOML_ICC 0
#define TOML_ICC_CL 0
#endif
#if defined(_MSC_VER) && !TOML_CLANG && !TOML_ICC
#define TOML_MSVC _MSC_VER
#else
#define TOML_MSVC 0
#endif
#if defined(__GNUC__) && !TOML_CLANG && !TOML_ICC
#define TOML_GCC __GNUC__
#else
#define TOML_GCC 0
#endif
#ifdef __has_include
#define TOML_HAS_INCLUDE(header) __has_include(header)
#else
#define TOML_HAS_INCLUDE(header) 0
#endif
//#====================================================================================================================
//# CLANG
//#====================================================================================================================
#if TOML_CLANG
#define TOML_PUSH_WARNINGS \
_Pragma("clang diagnostic push") \
static_assert(true)
#define TOML_DISABLE_SWITCH_WARNINGS \
_Pragma("clang diagnostic ignored \"-Wswitch\"") \
static_assert(true)
#define TOML_DISABLE_ARITHMETIC_WARNINGS \
_Pragma("clang diagnostic ignored \"-Wfloat-equal\"") \
_Pragma("clang diagnostic ignored \"-Wdouble-promotion\"") \
_Pragma("clang diagnostic ignored \"-Wshift-sign-overflow\"") \
static_assert(true)
#if TOML_CLANG >= 10
#define TOML_DISABLE_SPAM_WARNINGS_CLANG_10 \
_Pragma("clang diagnostic ignored \"-Wzero-as-null-pointer-constant\"") \
static_assert(true)
#else
#define TOML_DISABLE_SPAM_WARNINGS_CLANG_10 static_assert(true)
#endif
#if TOML_CLANG >= 11
#define TOML_DISABLE_SPAM_WARNINGS_CLANG_11 \
_Pragma("clang diagnostic ignored \"-Wsuggest-destructor-override\"") \
static_assert(true)
#else
#define TOML_DISABLE_SPAM_WARNINGS_CLANG_11 static_assert(true)
#endif
#define TOML_DISABLE_SPAM_WARNINGS \
TOML_DISABLE_SPAM_WARNINGS_CLANG_10; \
TOML_DISABLE_SPAM_WARNINGS_CLANG_11; \
_Pragma("clang diagnostic ignored \"-Wweak-vtables\"") \
_Pragma("clang diagnostic ignored \"-Wweak-template-vtables\"") \
_Pragma("clang diagnostic ignored \"-Wdouble-promotion\"") \
_Pragma("clang diagnostic ignored \"-Wchar-subscripts\"") \
_Pragma("clang diagnostic ignored \"-Wmissing-field-initializers\"") \
_Pragma("clang diagnostic ignored \"-Wpadded\"") \
static_assert(true)
#define TOML_POP_WARNINGS \
_Pragma("clang diagnostic pop") \
static_assert(true)
#define TOML_DISABLE_WARNINGS \
TOML_PUSH_WARNINGS; \
_Pragma("clang diagnostic ignored \"-Weverything\"") \
static_assert(true)
#define TOML_ENABLE_WARNINGS TOML_POP_WARNINGS
#define TOML_ASSUME(expr) __builtin_assume(expr)
#define TOML_UNREACHABLE __builtin_unreachable()
#define TOML_ATTR(...) __attribute__((__VA_ARGS__))
#if defined(_MSC_VER) // msvc compat mode
#ifdef __has_declspec_attribute
#if __has_declspec_attribute(novtable)
#define TOML_ABSTRACT_BASE __declspec(novtable)
#endif
#if __has_declspec_attribute(empty_bases)
#define TOML_EMPTY_BASES __declspec(empty_bases)
#endif
#ifndef TOML_ALWAYS_INLINE
#define TOML_ALWAYS_INLINE __forceinline
#endif
#if __has_declspec_attribute(noinline)
#define TOML_NEVER_INLINE __declspec(noinline)
#endif
#endif
#endif
#ifdef __has_attribute
#if !defined(TOML_ALWAYS_INLINE) && __has_attribute(always_inline)
#define TOML_ALWAYS_INLINE __attribute__((__always_inline__)) inline
#endif
#if !defined(TOML_NEVER_INLINE) && __has_attribute(noinline)
#define TOML_NEVER_INLINE __attribute__((__noinline__))
#endif
#if !defined(TOML_TRIVIAL_ABI) && __has_attribute(trivial_abi)
#define TOML_TRIVIAL_ABI __attribute__((__trivial_abi__))
#endif
#if !defined(TOML_FLAGS_ENUM) && __has_attribute(flag_enum)
#define TOML_FLAGS_ENUM __attribute__((__flag_enum__))
#endif
#if __has_attribute(enum_extensibility)
#ifndef TOML_OPEN_ENUM
#define TOML_OPEN_ENUM __attribute__((enum_extensibility(open)))
#endif
#ifndef TOML_CLOSED_ENUM
#define TOML_CLOSED_ENUM __attribute__((enum_extensibility(closed)))
#endif
#endif
#endif
#define TOML_LIKELY(...) (__builtin_expect(!!(__VA_ARGS__), 1) )
#define TOML_UNLIKELY(...) (__builtin_expect(!!(__VA_ARGS__), 0) )
#define TOML_SIMPLE_STATIC_ASSERT_MESSAGES 1
#endif // clang
//#====================================================================================================================
//# MSVC
//#====================================================================================================================
#if TOML_MSVC || TOML_ICC_CL
#define TOML_CPP_VERSION _MSVC_LANG
#if TOML_MSVC // !intel-cl
#define TOML_PUSH_WARNINGS \
__pragma(warning(push)) \
static_assert(true)
#if TOML_HAS_INCLUDE(<CodeAnalysis\Warnings.h>)
#pragma warning(push, 0)
#include <CodeAnalysis\Warnings.h>
#pragma warning(pop)
#define TOML_DISABLE_CODE_ANALYSIS_WARNINGS \
__pragma(warning(disable: ALL_CODE_ANALYSIS_WARNINGS)) \
static_assert(true)
#else
#define TOML_DISABLE_CODE_ANALYSIS_WARNINGS
static_assert(true)
#endif
#define TOML_DISABLE_SWITCH_WARNINGS \
__pragma(warning(disable: 4061)) /* enumerator 'identifier' is not explicitly handled by a case label */ \
__pragma(warning(disable: 4062)) /* enumerator 'identifier' is not handled */ \
__pragma(warning(disable: 4063)) \
__pragma(warning(disable: 26819)) \
static_assert(true)
#define TOML_DISABLE_SPAM_WARNINGS \
__pragma(warning(disable: 4127)) /* conditional expr is constant */ \
__pragma(warning(disable: 4324)) /* structure was padded due to alignment specifier */ \
__pragma(warning(disable: 4348)) \
__pragma(warning(disable: 4464)) /* relative include path contains '..' */ \
__pragma(warning(disable: 4505)) /* unreferenced local function removed */ \
__pragma(warning(disable: 4514)) /* unreferenced inline function has been removed */ \
__pragma(warning(disable: 4582)) /* constructor is not implicitly called */ \
__pragma(warning(disable: 4623)) /* default constructor was implicitly defined as deleted */ \
__pragma(warning(disable: 4625)) /* copy constructor was implicitly defined as deleted */ \
__pragma(warning(disable: 4626)) /* assignment operator was implicitly defined as deleted */ \
__pragma(warning(disable: 4710)) /* function not inlined */ \
__pragma(warning(disable: 4711)) /* function selected for automatic expansion */ \
__pragma(warning(disable: 4820)) /* N bytes padding added */ \
__pragma(warning(disable: 4946)) /* reinterpret_cast used between related classes */ \
__pragma(warning(disable: 5026)) /* move constructor was implicitly defined as deleted */ \
__pragma(warning(disable: 5027)) /* move assignment operator was implicitly defined as deleted */ \
__pragma(warning(disable: 5039)) /* potentially throwing function passed to 'extern "C"' function */ \
__pragma(warning(disable: 5045)) /* Compiler will insert Spectre mitigation */ \
__pragma(warning(disable: 26451)) \
__pragma(warning(disable: 26490)) \
__pragma(warning(disable: 26495)) \
__pragma(warning(disable: 26812)) \
__pragma(warning(disable: 26819)) \
static_assert(true)
#define TOML_DISABLE_ARITHMETIC_WARNINGS \
__pragma(warning(disable: 4365)) /* argument signed/unsigned mismatch */ \
__pragma(warning(disable: 4738)) /* storing 32-bit float result in memory */ \
__pragma(warning(disable: 5219)) /* implicit conversion from integral to float */ \
static_assert(true)
#define TOML_POP_WARNINGS \
__pragma(warning(pop)) \
static_assert(true)
#define TOML_DISABLE_WARNINGS \
__pragma(warning(push, 0)) \
__pragma(warning(disable: 4348)) \
__pragma(warning(disable: 4668)) \
__pragma(warning(disable: 5105)) \
TOML_DISABLE_CODE_ANALYSIS_WARNINGS;\
TOML_DISABLE_SWITCH_WARNINGS; \
TOML_DISABLE_SPAM_WARNINGS; \
TOML_DISABLE_ARITHMETIC_WARNINGS; \
static_assert(true)
#define TOML_ENABLE_WARNINGS TOML_POP_WARNINGS
#endif
#ifndef TOML_ALWAYS_INLINE
#define TOML_ALWAYS_INLINE __forceinline
#endif
#define TOML_NEVER_INLINE __declspec(noinline)
#define TOML_ASSUME(expr) __assume(expr)
#define TOML_UNREACHABLE __assume(0)
#define TOML_ABSTRACT_BASE __declspec(novtable)
#define TOML_EMPTY_BASES __declspec(empty_bases)
#ifdef _CPPUNWIND
#define TOML_COMPILER_EXCEPTIONS 1
#else
#define TOML_COMPILER_EXCEPTIONS 0
#endif
#endif // msvc
//#====================================================================================================================
//# ICC
//#====================================================================================================================
#if TOML_ICC
#define TOML_PUSH_WARNINGS \
__pragma(warning(push)) \
static_assert(true)
#define TOML_DISABLE_SPAM_WARNINGS \
__pragma(warning(disable: 82)) /* storage class is not first */ \
__pragma(warning(disable: 111)) /* statement unreachable (false-positive) */ \
__pragma(warning(disable: 869)) /* unreferenced parameter */ \
__pragma(warning(disable: 1011)) /* missing return (false-positive) */ \
__pragma(warning(disable: 2261)) /* assume expr side-effects discarded */ \
static_assert(true)
#define TOML_POP_WARNINGS \
__pragma(warning(pop)) \
static_assert(true)
#define TOML_DISABLE_WARNINGS \
__pragma(warning(push, 0)) \
static_assert(true)
#define TOML_ENABLE_WARNINGS \
TOML_POP_WARNINGS
#endif // icc
//#====================================================================================================================
//# GCC
//#====================================================================================================================
#if TOML_GCC
#define TOML_PUSH_WARNINGS \
_Pragma("GCC diagnostic push") \
static_assert(true)
#define TOML_DISABLE_SWITCH_WARNINGS \
_Pragma("GCC diagnostic ignored \"-Wswitch\"") \
_Pragma("GCC diagnostic ignored \"-Wswitch-enum\"") \
_Pragma("GCC diagnostic ignored \"-Wswitch-default\"") \
static_assert(true)
#define TOML_DISABLE_ARITHMETIC_WARNINGS \
_Pragma("GCC diagnostic ignored \"-Wfloat-equal\"") \
_Pragma("GCC diagnostic ignored \"-Wsign-conversion\"") \
static_assert(true)
#define TOML_DISABLE_SUGGEST_ATTR_WARNINGS \
_Pragma("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") \
_Pragma("GCC diagnostic ignored \"-Wsuggest-attribute=pure\"") \
static_assert(true)
#define TOML_DISABLE_SPAM_WARNINGS \
_Pragma("GCC diagnostic ignored \"-Wpadded\"") \
_Pragma("GCC diagnostic ignored \"-Wcast-align\"") \
_Pragma("GCC diagnostic ignored \"-Wcomment\"") \
_Pragma("GCC diagnostic ignored \"-Wtype-limits\"") \
_Pragma("GCC diagnostic ignored \"-Wuseless-cast\"") \
_Pragma("GCC diagnostic ignored \"-Wchar-subscripts\"") \
_Pragma("GCC diagnostic ignored \"-Wsubobject-linkage\"") \
_Pragma("GCC diagnostic ignored \"-Wmissing-field-initializers\"") \
_Pragma("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") \
_Pragma("GCC diagnostic ignored \"-Wnoexcept\"") \
static_assert(true)
#define TOML_POP_WARNINGS \
_Pragma("GCC diagnostic pop") \
static_assert(true)
#define TOML_DISABLE_WARNINGS \
TOML_PUSH_WARNINGS; \
_Pragma("GCC diagnostic ignored \"-Wall\"") \
_Pragma("GCC diagnostic ignored \"-Wextra\"") \
_Pragma("GCC diagnostic ignored \"-Wpedantic\"") \
TOML_DISABLE_SWITCH_WARNINGS; \
TOML_DISABLE_ARITHMETIC_WARNINGS; \
TOML_DISABLE_SPAM_WARNINGS; \
TOML_DISABLE_SUGGEST_ATTR_WARNINGS; \
static_assert(true)
#define TOML_ENABLE_WARNINGS \
TOML_POP_WARNINGS
#define TOML_ATTR(...) __attribute__((__VA_ARGS__))
#ifndef TOML_ALWAYS_INLINE
#define TOML_ALWAYS_INLINE __attribute__((__always_inline__)) inline
#endif
#define TOML_NEVER_INLINE __attribute__((__noinline__))
#define TOML_UNREACHABLE __builtin_unreachable()
#define TOML_LIKELY(...) (__builtin_expect(!!(__VA_ARGS__), 1) )
#define TOML_UNLIKELY(...) (__builtin_expect(!!(__VA_ARGS__), 0) )
#endif
//#====================================================================================================================
//# CPP VERSION
//#====================================================================================================================
#ifndef TOML_CPP_VERSION
#define TOML_CPP_VERSION __cplusplus
#endif
#if TOML_CPP_VERSION < 201103L
#error toml++ requires C++17 or higher. For a TOML library supporting pre-C++11 see https://github.com/ToruNiina/Boost.toml
#elif TOML_CPP_VERSION < 201703L
#error toml++ requires C++17 or higher. For a TOML library supporting C++11 see https://github.com/ToruNiina/toml11
#endif
//#====================================================================================================================
//# USER CONFIGURATION
//#====================================================================================================================
#ifdef TOML_CONFIG_HEADER
#include TOML_CONFIG_HEADER
#endif
// is the library being built as a shared lib/dll using meson and friends?
#ifndef TOML_SHARED_LIB
#define TOML_SHARED_LIB 0
#endif
// header-only mode
#if !defined(TOML_HEADER_ONLY) && defined(TOML_ALL_INLINE) // was TOML_ALL_INLINE pre-2.0
#define TOML_HEADER_ONLY TOML_ALL_INLINE
#endif
#if !defined(TOML_HEADER_ONLY) || (defined(TOML_HEADER_ONLY) && TOML_HEADER_ONLY) || TOML_INTELLISENSE
#undef TOML_HEADER_ONLY
#define TOML_HEADER_ONLY 1
#endif
#if defined(DOXYGEN) || TOML_SHARED_LIB
#undef TOML_HEADER_ONLY
#define TOML_HEADER_ONLY 0
#endif
// internal implementation switch
#if defined(TOML_IMPLEMENTATION) || TOML_HEADER_ONLY
#undef TOML_IMPLEMENTATION
#define TOML_IMPLEMENTATION 1
#else
#define TOML_IMPLEMENTATION 0
#endif
// dll/shared lib function exports (legacy - TOML_API was the old name for this setting)
#if !defined(TOML_EXPORTED_MEMBER_FUNCTION) \
&& !defined(TOML_EXPORTED_STATIC_FUNCTION) \
&& !defined(TOML_EXPORTED_FREE_FUNCTION) \
&& !defined(TOML_EXPORTED_CLASS) \
&& defined(TOML_API)
#define TOML_EXPORTED_MEMBER_FUNCTION TOML_API
#define TOML_EXPORTED_STATIC_FUNCTION TOML_API
#define TOML_EXPORTED_FREE_FUNCTION TOML_API
#endif
// dll/shared lib exports
#if TOML_SHARED_LIB
#undef TOML_API
#undef TOML_EXPORTED_CLASS
#undef TOML_EXPORTED_MEMBER_FUNCTION
#undef TOML_EXPORTED_STATIC_FUNCTION
#undef TOML_EXPORTED_FREE_FUNCTION
#if defined(_WIN32) || defined(__CYGWIN__)
#if TOML_IMPLEMENTATION
#define TOML_EXPORTED_CLASS __declspec(dllexport)
#define TOML_EXPORTED_FREE_FUNCTION __declspec(dllexport)
#else
#define TOML_EXPORTED_CLASS __declspec(dllimport)
#define TOML_EXPORTED_FREE_FUNCTION __declspec(dllimport)
#endif
#elif defined(__GNUC__) && __GNUC__ >= 4
#define TOML_EXPORTED_CLASS __attribute__((visibility("default")))
#define TOML_EXPORTED_MEMBER_FUNCTION __attribute__((visibility("default")))
#define TOML_EXPORTED_STATIC_FUNCTION __attribute__((visibility("default")))
#define TOML_EXPORTED_FREE_FUNCTION __attribute__((visibility("default")))
#endif
#endif
#ifndef TOML_EXPORTED_CLASS
#define TOML_EXPORTED_CLASS
#endif
#ifndef TOML_EXPORTED_MEMBER_FUNCTION
#define TOML_EXPORTED_MEMBER_FUNCTION
#endif
#ifndef TOML_EXPORTED_STATIC_FUNCTION
#define TOML_EXPORTED_STATIC_FUNCTION
#endif
#ifndef TOML_EXPORTED_FREE_FUNCTION
#define TOML_EXPORTED_FREE_FUNCTION
#endif
// experimental language features
#if !defined(TOML_ENABLE_UNRELEASED_FEATURES) && defined(TOML_UNRELEASED_FEATURES) // was TOML_UNRELEASED_FEATURES pre-3.0
#define TOML_ENABLE_UNRELEASED_FEATURES TOML_UNRELEASED_FEATURES
#endif
#if (defined(TOML_ENABLE_UNRELEASED_FEATURES) && TOML_ENABLE_UNRELEASED_FEATURES) || TOML_INTELLISENSE
#undef TOML_ENABLE_UNRELEASED_FEATURES
#define TOML_ENABLE_UNRELEASED_FEATURES 1
#endif
#ifndef TOML_ENABLE_UNRELEASED_FEATURES
#define TOML_ENABLE_UNRELEASED_FEATURES 0
#endif
// parser
#if !defined(TOML_ENABLE_PARSER) && defined(TOML_PARSER) // was TOML_PARSER pre-3.0
#define TOML_ENABLE_PARSER TOML_PARSER
#endif
#if !defined(TOML_ENABLE_PARSER) || (defined(TOML_ENABLE_PARSER) && TOML_ENABLE_PARSER) || TOML_INTELLISENSE
#undef TOML_ENABLE_PARSER
#define TOML_ENABLE_PARSER 1
#endif
// formatters
#if !defined(TOML_ENABLE_FORMATTERS) \
|| (defined(TOML_ENABLE_FORMATTERS) && TOML_ENABLE_FORMATTERS) \
|| TOML_INTELLISENSE
#undef TOML_ENABLE_FORMATTERS
#define TOML_ENABLE_FORMATTERS 1
#endif
// SIMD
#if !defined(TOML_ENABLE_SIMD) \
|| (defined(TOML_ENABLE_SIMD) && TOML_ENABLE_SIMD) \
|| TOML_INTELLISENSE
#undef TOML_ENABLE_SIMD
#define TOML_ENABLE_SIMD 1
#endif
// windows compat
#if !defined(TOML_ENABLE_WINDOWS_COMPAT) && defined(TOML_WINDOWS_COMPAT) // was TOML_WINDOWS_COMPAT pre-3.0
#define TOML_ENABLE_WINDOWS_COMPAT TOML_WINDOWS_COMPAT
#endif
#if !defined(TOML_ENABLE_WINDOWS_COMPAT) \
|| (defined(TOML_ENABLE_WINDOWS_COMPAT) && TOML_ENABLE_WINDOWS_COMPAT) \
|| TOML_INTELLISENSE
#undef TOML_ENABLE_WINDOWS_COMPAT
#define TOML_ENABLE_WINDOWS_COMPAT 1
#endif
/// \cond
#ifndef _WIN32
#undef TOML_ENABLE_WINDOWS_COMPAT
#define TOML_ENABLE_WINDOWS_COMPAT 0
#endif
/// \endcond
#ifndef TOML_INCLUDE_WINDOWS_H
#define TOML_INCLUDE_WINDOWS_H 0
#endif
// custom optional
#ifdef TOML_OPTIONAL_TYPE
#define TOML_HAS_CUSTOM_OPTIONAL_TYPE 1
#else
#define TOML_HAS_CUSTOM_OPTIONAL_TYPE 0
#endif
// exceptions (compiler support)
#ifndef TOML_COMPILER_EXCEPTIONS
#if defined(__EXCEPTIONS) || defined(__cpp_exceptions)
#define TOML_COMPILER_EXCEPTIONS 1
#else
#define TOML_COMPILER_EXCEPTIONS 0
#endif
#endif
// exceptions (library use)
#if TOML_COMPILER_EXCEPTIONS
#if !defined(TOML_EXCEPTIONS) || (defined(TOML_EXCEPTIONS) && TOML_EXCEPTIONS)
#undef TOML_EXCEPTIONS
#define TOML_EXCEPTIONS 1
#endif
#else
#if defined(TOML_EXCEPTIONS) && TOML_EXCEPTIONS
#error TOML_EXCEPTIONS was explicitly enabled but exceptions are disabled/unsupported by the compiler.
#endif
#undef TOML_EXCEPTIONS
#define TOML_EXCEPTIONS 0
#endif
#ifndef TOML_UNDEF_MACROS
#define TOML_UNDEF_MACROS 1
#endif
#ifndef TOML_MAX_NESTED_VALUES
#define TOML_MAX_NESTED_VALUES 256
// this refers to the depth of nested values, e.g. inline tables and arrays.
// 256 is crazy high! if you're hitting this limit with real input, TOML is probably the wrong tool for the job...
#endif
#ifdef TOML_CHAR_8_STRINGS
#if TOML_CHAR_8_STRINGS
#error TOML_CHAR_8_STRINGS was removed in toml++ 2.0.0; all value setters and getters now work with char8_t strings implicitly.
#endif
#endif
#ifdef TOML_LARGE_FILES
#if !TOML_LARGE_FILES
#error Support for !TOML_LARGE_FILES (i.e. 'small files') was removed in toml++ 3.0.0.
#endif
#endif
//#====================================================================================================================
//# ATTRIBUTES, UTILITY MACROS ETC
//#====================================================================================================================
#if !defined(TOML_FLOAT_CHARCONV) && (TOML_GCC || TOML_CLANG || (TOML_ICC && !TOML_ICC_CL))
// not supported by any version of GCC or Clang as of 26/11/2020
// not supported by any version of ICC on Linux as of 11/01/2021
#define TOML_FLOAT_CHARCONV 0
#endif
#if !defined(TOML_INT_CHARCONV) && (defined(__EMSCRIPTEN__) || defined(__APPLE__))
// causes link errors on emscripten
// causes Mac OS SDK version errors on some versions of Apple Clang
#define TOML_INT_CHARCONV 0
#endif
#ifndef TOML_INT_CHARCONV
#define TOML_INT_CHARCONV 1
#endif
#ifndef TOML_FLOAT_CHARCONV
#define TOML_FLOAT_CHARCONV 1
#endif
#if (TOML_INT_CHARCONV || TOML_FLOAT_CHARCONV) && !TOML_HAS_INCLUDE(<charconv>)
#undef TOML_INT_CHARCONV
#undef TOML_FLOAT_CHARCONV
#define TOML_INT_CHARCONV 0
#define TOML_FLOAT_CHARCONV 0
#endif
#ifndef TOML_PUSH_WARNINGS
#define TOML_PUSH_WARNINGS static_assert(true)
#endif
#ifndef TOML_DISABLE_CODE_ANALYSIS_WARNINGS
#define TOML_DISABLE_CODE_ANALYSIS_WARNINGS static_assert(true)
#endif
#ifndef TOML_DISABLE_SWITCH_WARNINGS
#define TOML_DISABLE_SWITCH_WARNINGS static_assert(true)
#endif
#ifndef TOML_DISABLE_SUGGEST_ATTR_WARNINGS
#define TOML_DISABLE_SUGGEST_ATTR_WARNINGS static_assert(true)
#endif
#ifndef TOML_DISABLE_SPAM_WARNINGS
#define TOML_DISABLE_SPAM_WARNINGS static_assert(true)
#endif
#ifndef TOML_DISABLE_ARITHMETIC_WARNINGS
#define TOML_DISABLE_ARITHMETIC_WARNINGS static_assert(true)
#endif
#ifndef TOML_POP_WARNINGS
#define TOML_POP_WARNINGS static_assert(true)
#endif
#ifndef TOML_DISABLE_WARNINGS
#define TOML_DISABLE_WARNINGS static_assert(true)
#endif
#ifndef TOML_ENABLE_WARNINGS
#define TOML_ENABLE_WARNINGS static_assert(true)
#endif
#ifndef TOML_ATTR
#define TOML_ATTR(...)
#endif
#ifndef TOML_ABSTRACT_BASE
#define TOML_ABSTRACT_BASE
#endif
#ifndef TOML_EMPTY_BASES
#define TOML_EMPTY_BASES
#endif
#ifndef TOML_ALWAYS_INLINE
#define TOML_ALWAYS_INLINE inline
#endif
#ifndef TOML_NEVER_INLINE
#define TOML_NEVER_INLINE
#endif
#ifndef TOML_ASSUME
#define TOML_ASSUME(expr) static_assert(true)
#endif
#ifndef TOML_UNREACHABLE
#define TOML_UNREACHABLE TOML_ASSUME(false)
#endif
#ifndef TOML_FLAGS_ENUM
#define TOML_FLAGS_ENUM
#endif
#ifndef TOML_OPEN_ENUM
#define TOML_OPEN_ENUM
#endif
#ifndef TOML_CLOSED_ENUM
#define TOML_CLOSED_ENUM
#endif
#ifndef TOML_OPEN_FLAGS_ENUM
#define TOML_OPEN_FLAGS_ENUM TOML_OPEN_ENUM TOML_FLAGS_ENUM
#endif
#ifndef TOML_CLOSED_FLAGS_ENUM
#define TOML_CLOSED_FLAGS_ENUM TOML_CLOSED_ENUM TOML_FLAGS_ENUM
#endif
#ifdef __has_cpp_attribute
#define TOML_HAS_ATTR(...) __has_cpp_attribute(__VA_ARGS__)
#else
#define TOML_HAS_ATTR(...) 0
#endif
#if TOML_HAS_ATTR(likely) >= 201803
#ifndef TOML_LIKELY
#define TOML_LIKELY(...) (__VA_ARGS__) [[likely]]
#endif
#ifndef TOML_LIKELY_CASE
#define TOML_LIKELY_CASE [[likely]]
#endif
#endif
#ifndef TOML_LIKELY
#define TOML_LIKELY(...) (__VA_ARGS__)
#endif
#ifndef TOML_LIKELY_CASE
#define TOML_LIKELY_CASE
#endif
#if TOML_HAS_ATTR(unlikely) >= 201803
#ifndef TOML_UNLIKELY
#define TOML_UNLIKELY(...) (__VA_ARGS__) [[unlikely]]
#endif
#ifndef TOML_UNLIKELY_CASE
#define TOML_UNLIKELY_CASE [[unlikely]]
#endif
#endif
#ifndef TOML_UNLIKELY
#define TOML_UNLIKELY(...) (__VA_ARGS__)
#endif
#ifndef TOML_UNLIKELY_CASE
#define TOML_UNLIKELY_CASE
#endif
#if TOML_HAS_ATTR(nodiscard)
#define TOML_NODISCARD [[nodiscard]]
#else
#define TOML_NODISCARD
#endif
#if TOML_HAS_ATTR(nodiscard) >= 201907
#define TOML_NODISCARD_CTOR [[nodiscard]]
#else
#define TOML_NODISCARD_CTOR
#endif
#ifndef TOML_TRIVIAL_ABI
#define TOML_TRIVIAL_ABI
#endif
#define TOML_ASYMMETRICAL_EQUALITY_OPS(LHS, RHS, ...) \
__VA_ARGS__ TOML_NODISCARD friend bool operator == (RHS rhs, LHS lhs) noexcept { return lhs == rhs; } \
__VA_ARGS__ TOML_NODISCARD friend bool operator != (LHS lhs, RHS rhs) noexcept { return !(lhs == rhs); } \
__VA_ARGS__ TOML_NODISCARD friend bool operator != (RHS rhs, LHS lhs) noexcept { return !(lhs == rhs); } \
static_assert(true)
#ifndef TOML_SIMPLE_STATIC_ASSERT_MESSAGES
#define TOML_SIMPLE_STATIC_ASSERT_MESSAGES 0
#endif
#define TOML_CONCAT_1(x, y) x##y
#define TOML_CONCAT(x, y) TOML_CONCAT_1(x, y)
#define TOML_EVAL_BOOL_1(T, F) T
#define TOML_EVAL_BOOL_0(T, F) F
#if defined(__aarch64__) || defined(__ARM_ARCH_ISA_A64) || defined(_M_ARM64) || defined(__ARM_64BIT_STATE) \
|| defined(__arm__) || defined(_M_ARM) || defined(__ARM_32BIT_STATE)
#define TOML_ARM 1
#else
#define TOML_ARM 0
#endif
#define TOML_MAKE_FLAGS_(name, op) \
TOML_CONST_INLINE_GETTER \
constexpr name operator op(name lhs, name rhs) noexcept \
{ \
using under = std::underlying_type_t<name>; \
return static_cast<name>(static_cast<under>(lhs) op static_cast<under>(rhs)); \
} \
constexpr name& operator TOML_CONCAT(op, =)(name & lhs, name rhs) noexcept \
{ \
return lhs = (lhs op rhs); \
} \
static_assert(true, "")
#define TOML_MAKE_FLAGS(name) \
TOML_MAKE_FLAGS_(name, &); \
TOML_MAKE_FLAGS_(name, |); \
TOML_MAKE_FLAGS_(name, ^); \
TOML_CONST_INLINE_GETTER \
constexpr name operator~(name val) noexcept \
{ \
using under = std::underlying_type_t<name>; \
return static_cast<name>(~static_cast<under>(val)); \
} \
TOML_CONST_INLINE_GETTER \
constexpr bool operator!(name val) noexcept \
{ \
using under = std::underlying_type_t<name>; \
return !static_cast<under>(val); \
} \
static_assert(true, "")
#ifndef TOML_LIFETIME_HOOKS
#define TOML_LIFETIME_HOOKS 0
#endif
#if !defined(__POXY__) && !defined(POXY_IMPLEMENTATION_DETAIL)
#define POXY_IMPLEMENTATION_DETAIL(...) __VA_ARGS__
#endif
#ifdef NDEBUG
#define TOML_PURE_GETTER TOML_NODISCARD TOML_ATTR(pure)
#define TOML_CONST_GETTER TOML_NODISCARD TOML_ATTR(const)
#define TOML_PURE_INLINE_GETTER TOML_NODISCARD TOML_ALWAYS_INLINE TOML_ATTR(pure)
#define TOML_CONST_INLINE_GETTER TOML_NODISCARD TOML_ALWAYS_INLINE TOML_ATTR(const)
#else
#define TOML_PURE_GETTER TOML_NODISCARD
#define TOML_CONST_GETTER TOML_NODISCARD
#define TOML_PURE_INLINE_GETTER TOML_NODISCARD TOML_ALWAYS_INLINE
#define TOML_CONST_INLINE_GETTER TOML_NODISCARD TOML_ALWAYS_INLINE
#endif
#define TOML_UNUSED(...) static_cast<void>(__VA_ARGS__)
#define TOML_DELETE_DEFAULTS(T) \
T(const T&) = delete; \
T(T&&) = delete; \
T& operator=(const T&) = delete; \
T& operator=(T&&) = delete
//======================================================================================================================
// SFINAE
//======================================================================================================================
/// \cond
#if defined(__cpp_concepts) && __cpp_concepts >= 201907
#define TOML_REQUIRES(...) requires(__VA_ARGS__)
#else
#define TOML_REQUIRES(...)
#endif
#define TOML_ENABLE_IF(...) , typename std::enable_if<(__VA_ARGS__), int>::type = 0
#define TOML_CONSTRAINED_TEMPLATE(condition, ...) template <__VA_ARGS__ TOML_ENABLE_IF(condition)> TOML_REQUIRES(condition)
#define TOML_HIDDEN_CONSTRAINT(condition, ...) TOML_CONSTRAINED_TEMPLATE(condition, __VA_ARGS__)
/// \endcond
//# {{
#ifndef TOML_CONSTRAINED_TEMPLATE
#define TOML_CONSTRAINED_TEMPLATE(condition, ...) template <__VA_ARGS__>
#endif
#ifndef TOML_HIDDEN_CONSTRAINT
#define TOML_HIDDEN_CONSTRAINT(condition, ...)
#endif
//# }}
//#====================================================================================================================
//# EXTENDED INT AND FLOAT TYPES
//#====================================================================================================================
#ifdef __FLT16_MANT_DIG__
#if __FLT_RADIX__ == 2 \
&& __FLT16_MANT_DIG__ == 11 \
&& __FLT16_DIG__ == 3 \
&& __FLT16_MIN_EXP__ == -13 \
&& __FLT16_MIN_10_EXP__ == -4 \
&& __FLT16_MAX_EXP__ == 16 \
&& __FLT16_MAX_10_EXP__ == 4
#if TOML_ARM && (TOML_GCC || TOML_CLANG)
#define TOML_FP16 __fp16
#endif
#if TOML_ARM && TOML_CLANG // not present in g++
#define TOML_FLOAT16 _Float16
#endif
#endif
#endif
#if defined(__SIZEOF_FLOAT128__) \
&& defined(__FLT128_MANT_DIG__) \
&& defined(__LDBL_MANT_DIG__) \
&& __FLT128_MANT_DIG__ > __LDBL_MANT_DIG__
#define TOML_FLOAT128 __float128
#endif
#ifdef __SIZEOF_INT128__
#define TOML_INT128 __int128_t
#define TOML_UINT128 __uint128_t
#endif
//#====================================================================================================================
//# VERSIONS AND NAMESPACES
//#====================================================================================================================
#include "version.h"
#define TOML_LIB_SINGLE_HEADER 0
#define TOML_MAKE_VERSION(major, minor, patch) \
((major) * 10000 + (minor) * 100 + (patch))
#if TOML_ENABLE_UNRELEASED_FEATURES
#define TOML_LANG_EFFECTIVE_VERSION \
TOML_MAKE_VERSION(TOML_LANG_MAJOR, TOML_LANG_MINOR, TOML_LANG_PATCH+1)
#else
#define TOML_LANG_EFFECTIVE_VERSION \
TOML_MAKE_VERSION(TOML_LANG_MAJOR, TOML_LANG_MINOR, TOML_LANG_PATCH)
#endif
#define TOML_LANG_HIGHER_THAN(major, minor, patch) \
(TOML_LANG_EFFECTIVE_VERSION > TOML_MAKE_VERSION(major, minor, patch))
#define TOML_LANG_AT_LEAST(major, minor, patch) \
(TOML_LANG_EFFECTIVE_VERSION >= TOML_MAKE_VERSION(major, minor, patch))
#define TOML_LANG_UNRELEASED \
TOML_LANG_HIGHER_THAN(TOML_LANG_MAJOR, TOML_LANG_MINOR, TOML_LANG_PATCH)
#ifndef TOML_ABI_NAMESPACES
#ifdef DOXYGEN
#define TOML_ABI_NAMESPACES 0
#else
#define TOML_ABI_NAMESPACES 1
#endif
#endif
#if TOML_ABI_NAMESPACES
#define TOML_NAMESPACE_START namespace toml { inline namespace TOML_CONCAT(v, TOML_LIB_MAJOR)
#define TOML_NAMESPACE_END } static_assert(true)
#define TOML_NAMESPACE ::toml::TOML_CONCAT(v, TOML_LIB_MAJOR)
#define TOML_ABI_NAMESPACE_START(name) inline namespace name { static_assert(true)
#define TOML_ABI_NAMESPACE_BOOL(cond, T, F) TOML_ABI_NAMESPACE_START(TOML_CONCAT(TOML_EVAL_BOOL_, cond)(T, F))
#define TOML_ABI_NAMESPACE_END } static_assert(true)
#else
#define TOML_NAMESPACE_START namespace toml
#define TOML_NAMESPACE_END static_assert(true)
#define TOML_NAMESPACE toml
#define TOML_ABI_NAMESPACE_START(...) static_assert(true)
#define TOML_ABI_NAMESPACE_BOOL(...) static_assert(true)
#define TOML_ABI_NAMESPACE_END static_assert(true)
#endif
#define TOML_IMPL_NAMESPACE_START TOML_NAMESPACE_START { namespace impl
#define TOML_IMPL_NAMESPACE_END } TOML_NAMESPACE_END
#if TOML_HEADER_ONLY
#define TOML_ANON_NAMESPACE_START static_assert(TOML_IMPLEMENTATION); TOML_IMPL_NAMESPACE_START
#define TOML_ANON_NAMESPACE_END TOML_IMPL_NAMESPACE_END
#define TOML_ANON_NAMESPACE TOML_NAMESPACE::impl
#define TOML_EXTERNAL_LINKAGE inline
#define TOML_INTERNAL_LINKAGE inline
#else
#define TOML_ANON_NAMESPACE_START static_assert(TOML_IMPLEMENTATION); \
using namespace toml; \
namespace
#define TOML_ANON_NAMESPACE_END static_assert(true)
#define TOML_ANON_NAMESPACE
#define TOML_EXTERNAL_LINKAGE
#define TOML_INTERNAL_LINKAGE static
#endif
//#====================================================================================================================
//# ASSERT
//#====================================================================================================================
#ifdef NDEBUG
#undef TOML_ASSERT
#define TOML_ASSERT(expr) static_assert(true)
#endif
#ifndef TOML_ASSERT
#ifndef assert
TOML_DISABLE_WARNINGS;
#include <cassert>
TOML_ENABLE_WARNINGS;
#endif
#define TOML_ASSERT(expr) assert(expr)
#endif
#ifdef NDEBUG
#define TOML_ASSERT_ASSUME(expr) TOML_ASSUME(expr)
#else
#define TOML_ASSERT_ASSUME(expr) TOML_ASSERT(expr)
#endif
//#====================================================================================================================
//# STATIC ASSERT MESSAGE FORMATTING
//#====================================================================================================================
/// \cond
#if TOML_SIMPLE_STATIC_ASSERT_MESSAGES
#define TOML_SA_NEWLINE " "
#define TOML_SA_LIST_SEP ", "
#define TOML_SA_LIST_BEG " ("
#define TOML_SA_LIST_END ")"
#define TOML_SA_LIST_NEW " "
#define TOML_SA_LIST_NXT ", "
#else
#define TOML_SA_NEWLINE "\n| "
#define TOML_SA_LIST_SEP TOML_SA_NEWLINE " - "
#define TOML_SA_LIST_BEG TOML_SA_LIST_SEP
#define TOML_SA_LIST_END
#define TOML_SA_LIST_NEW TOML_SA_NEWLINE TOML_SA_NEWLINE
#define TOML_SA_LIST_NXT TOML_SA_LIST_NEW
#endif
#define TOML_SA_NATIVE_VALUE_TYPE_LIST \
TOML_SA_LIST_BEG "std::string" \
TOML_SA_LIST_SEP "int64_t" \
TOML_SA_LIST_SEP "double" \
TOML_SA_LIST_SEP "bool" \
TOML_SA_LIST_SEP "toml::date" \
TOML_SA_LIST_SEP "toml::time" \
TOML_SA_LIST_SEP "toml::date_time" \
TOML_SA_LIST_END
#define TOML_SA_NODE_TYPE_LIST \
TOML_SA_LIST_BEG "toml::table" \
TOML_SA_LIST_SEP "toml::array" \
TOML_SA_LIST_SEP "toml::value<std::string>" \
TOML_SA_LIST_SEP "toml::value<int64_t>" \
TOML_SA_LIST_SEP "toml::value<double>" \
TOML_SA_LIST_SEP "toml::value<bool>" \
TOML_SA_LIST_SEP "toml::value<toml::date>" \
TOML_SA_LIST_SEP "toml::value<toml::time>" \
TOML_SA_LIST_SEP "toml::value<toml::date_time>" \
TOML_SA_LIST_END
#define TOML_SA_UNWRAPPED_NODE_TYPE_LIST \
TOML_SA_LIST_NEW "A native TOML value type" \
TOML_SA_NATIVE_VALUE_TYPE_LIST \
\
TOML_SA_LIST_NXT "A TOML node type" \
TOML_SA_NODE_TYPE_LIST
/// \endcond
//#====================================================================================================================
//# DOXYGEN SPAM
//#====================================================================================================================
//# {{
#ifdef DOXYGEN
/// \addtogroup configuration Library Configuration
/// \brief Preprocessor macros for configuring library functionality.
/// \detail Define these before including toml++ to alter the way it functions.
/// \remarks Some of these options have ABI implications; inline namespaces are used to prevent
/// you from trying to link incompatible combinations together.
/// @{
/// \def TOML_HEADER_ONLY
/// \brief Sets whether the library is entirely inline.
/// \detail Defaults to `1`.
/// \remark Disabling this means that you must define #TOML_IMPLEMENTATION in
/// <strong><em>exactly one</em></strong> translation unit in your project:
/// \cpp
/// // global_header_that_includes_toml++.h
/// #define TOML_HEADER_ONLY 0
/// #include <toml.hpp>
///
/// // some_code_file.cpp
/// #define TOML_IMPLEMENTATION
/// #include "global_header_that_includes_toml++.h"
/// \ecpp
/// \def TOML_EXPORTED_CLASS
/// \brief An 'export' annotation to add to classes.
/// \detail Not defined by default.
/// \remark You might override this with `__declspec(dllexport)` if you were building the library
/// into the public API of a DLL on Windows.
/// \def TOML_EXPORTED_MEMBER_FUNCTION
/// \brief An 'export' annotation to add to non-static class member functions.
/// \detail Not defined by default.
/// \remark You might override this with `__declspec(dllexport)` if you were building the library
/// into the public API of a DLL on Windows.
/// \def TOML_EXPORTED_FREE_FUNCTION
/// \brief An 'export' annotation to add to free functions.
/// \detail Not defined by default.
/// \remark You might override this with `__declspec(dllexport)` if you were building the library
/// into the public API of a DLL on Windows.
/// \def TOML_EXPORTED_STATIC_FUNCTION
/// \brief An 'export' annotation to add to `static` class member functions.
/// \detail Not defined by default.
/// \remark You might override this with `__declspec(dllexport)` if you were building the library
/// into the public API of a DLL on Windows.
/// \def TOML_ASSERT(expr)
/// \brief Sets the assert function used by the library.
/// \detail Defaults to the standard C `assert()`.
#define TOML_CONFIG_HEADER
/// \def TOML_CONFIG_HEADER
/// \brief An additional header to include before any other toml++ header files.
/// \detail Not defined by default.
/// \def TOML_EXCEPTIONS
/// \brief Sets whether the library uses exceptions to report parsing failures.
/// \detail Defaults to `1` or `0` according to your compiler's exception mode.
/// \def TOML_IMPLEMENTATION
/// \brief Enables the library's implementation when #TOML_HEADER_ONLY is disabled.
/// \detail Not defined by default. Meaningless when #TOML_HEADER_ONLY is enabled.
#define TOML_OPTIONAL_TYPE
/// \def TOML_OPTIONAL_TYPE
/// \brief Overrides the `optional<T>` type used by the library.
/// \detail Not defined by default (use std::optional).
/// \warning The library uses optionals internally in a few places; if you choose to replace the optional type
/// it must be with something that is still API-compatible with std::optional
/// (e.g. [tl::optional](https://github.com/TartanLlama/optional)).
/// \def TOML_ENABLE_PARSER
/// \brief Sets whether the parser-related parts of the library are included.
/// \detail Defaults to `1`.
/// \remarks If you don't parse any TOML from files or strings, setting `TOML_ENABLE_PARSER`
/// to `0` can improve compilation speed and reduce binary size.
/// \def TOML_ENABLE_FORMATTERS
/// \brief Sets whether the various formatter classes are enabled.
/// \detail Defaults to `1`.
/// \remarks If you don't need to re-serialize TOML data, setting `TOML_ENABLE_FORMATTERS`
/// to `0` can improve compilation speed and reduce binary size.
/// \see
/// - toml::toml_formatter
/// - toml::json_formatter
/// - toml::yaml_formatter
#define TOML_SMALL_FLOAT_TYPE
/// \def TOML_SMALL_FLOAT_TYPE
/// \brief If your codebase has an additional 'small' float type (e.g. half-precision), this tells toml++ about it.
/// \detail Not defined by default.
/// \remark If you're building for a platform that has `_Float16` and/or `__fp16`, you don't
/// need to use this configuration option to make toml++ aware of them. The library comes with that built-in.
#define TOML_SMALL_INT_TYPE
/// \def TOML_SMALL_INT_TYPE
/// \brief If your codebase has an additional 'small' integer type (e.g. 24-bits), this tells toml++ about it.
/// \detail Not defined by default.
/// \def TOML_ENABLE_UNRELEASED_FEATURES
/// \brief Enables support for unreleased TOML language features not yet part of a
/// [numbered version](https://github.com/toml-lang/toml/releases).
/// \detail Defaults to `0`.
/// \see [TOML Language Support](https://github.com/marzer/tomlplusplus/blob/master/README.md#toml-language-support)
/// \def TOML_ENABLE_WINDOWS_COMPAT
/// \brief Enables the use of wide strings (wchar_t, std::wstring) in various places throughout the library
/// when building for Windows.
/// \detail Defaults to `1` when building for Windows, `0` otherwise. Has no effect when building for anything other
/// than Windows.
/// \remark This <strong>does not</strong> change the underlying string type used to represent TOML keys and string
/// values; that will still be std::string. This setting simply enables some narrow &lt;=&gt; wide string
/// conversions when necessary at various interface boundaries.
/// <br><br>
/// If you're building for Windows and you have no need for Windows' "Pretends-to-be-unicode" wide strings,
/// you can safely set this to `0`.
/// @}
#endif // DOXYGEN
//# }}
// clang-format on
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