stdchar.h

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// AXIVION FILE Style AutosarC++19_03-A2.8.1: File exempted from this rule, required construct
// AXIVION FILE Style AutosarC++19_03-A3.9.1: File exempted from this rule, required construct
// AXIVION FILE Style AutosarC++19_03-A16.0.1: File exempted from this rule, as file includes platform specific constructs
// AXIVION FILE Style AutosarC++19_03-A17.0.1: Required redefinition / Naming must match reserved identifier
// AXIVION FILE Style AutosarC++19_03-M7.3.1: File exempted from this rule, required construct
// AXIVION FILE Style AutosarC++19_03-M16.0.1: File exempted from this rule, required construct
// AXIVION FILE Style CodingStyle-SourceFileNaming: File exempted from this rule, required construct
// AXIVION FILE Style CodingStyle-Naming.Macro: Required redefinition / Naming must match reserved identifier
// AXIVION FILE Style CodingStyle-Naming.TypeAlias: Required redefinition / Naming must match reserved identifier
// AXIVION FILE Style CodingStyle-Naming.UserType: Required redefinition / Naming must match reserved identifier
 
#ifndef _STDCHAR
#define _STDCHAR
 
// MISRA Rule 3-9-2: typedefs that indicate size and signedness should be used in place of the basic numerical types.
// AXIVION Next Line AutosarC++19_03-A7.1.6 / AutosarC++19_03-A3.9.1 / CodingStyle-Naming.Typedef / CodingStyle-Naming.UserType: Required construct
using char_t = char;
 
//
// Defining char types for the given compiler version
//
#if defined(__cplusplus)
//Adding char types char8_t ,char16_t & char32_t if they are not defined for the given compiler version.
//__cplusplus value 199711L = C++98. C++11 is not supported
//char16_t and char32_t are supported since C++11. char8_t is supported since C++20.
#if (__cplusplus <= 199711L)
#ifndef char8_t
// AXIVION Next Construct AutosarC++19_03-A7.1.8: Allowed in the scope of the platform definition file.
using char8_t = char;
#endif // !char8_t
#ifndef char16_t
#if defined(__WIN32_GNU__)
using char16_t = uint16_t;
#else
#include <cuchar> //char_16t and char_32t are defined inside this header file. The header uchar declares them as unsigned integer types to be used for 16-bit and 32-bit characters, respectively.
#endif
#endif // !char16_t
#ifndef char32_t
#if defined(__WIN32_GNU__)
using char32_t = uint32_t;
#else
#include <cuchar> //char_16t and char_32t are defined inside this header file. The header uchar declares them as unsigned integer types to be used for 16-bit and 32-bit characters, respectively.
#endif
#endif // !char32_t
 
//__cplusplus value 201103L = std:c++11 and __cplusplus value 201703L = std:c++17.
//if the __cplusplus value falls between 201103L and 201703L, meaning the comiler version is more or equal to C++11.
//char16_t and char32_t are supported since C++11. char8_t is supported since C++20.
#elif ((__cplusplus >= 201103L) && (__cplusplus <= 201703L))
#ifndef char8_t
using char8_t = char;
#endif // !char8_t
#endif
#endif // __cplusplus
 
#endif // _STDCHAR