// Copyright 2023 alexevier <alexevier@proton.me>
// licensed under the zlib license <https://www.zlib.net/zlib_license.html>

#ifndef lexlib_common_h
#define lexlib_common_h

/* this header is not documented since its not 
suposed to be used externally of lexlib 
and any changes may break api */

#include"defines.h"

#ifdef __cplusplus
#	define LEXLIB_RESTRICT
#	define LEXLIB_EXTERN extern "C"
#else
#	define LEXLIB_RESTRICT restrict
#	define LEXLIB_EXTERN extern
#endif

#ifdef __GNUC__
#	define LEXLIB_INLINE static inline __attribute__((always_inline))
#	define LEXLIB_DEPRECATED __attribute__((deprecated))
#	define LEXLIB_FALLTHROUGH __attribute__((fallthrough))
#	define LEXLIB_ALIGN(X) __attribute__((aligned(X)))
#	define LEXLIB_UNUSED __attribute__((unused))
#else
#	define LEXLIB_INLINE static inline
#	define LEXLIB_DEPRECATED
#	define LEXLIB_FALLTHROUGH
#	define LEXLIB_ALIGN(X)
#	define LEXLIB_UNUSED
#endif

#ifdef __BYTE_ORDER__
#	if __BYTE_ORDER__ ==  __ORDER_BIG_ENDIAN__
#		define LEXLIB_LITTLE_ENDIAN LEXLIB_FALSE
#		define LEXLIB_BIG_ENDIAN    LEXLIB_TRUE
#	else /* if its not big endian or can't be detected fallback to little endian. */
#		define LEXLIB_LITTLE_ENDIAN LEXLIB_TRUE
#		define LEXLIB_BIG_ENDIAN    LEXLIB_FALSE
#	endif
#else
#	warning lexlib could not detected endianness, __BYTE_ORDER__ not defined, fallback to little
#	define LEXLIB_LITTLE_ENDIAN LEXLIB_TRUE
#	define LEXLIB_BIG_ENDIAN    LEXLIB_FALSE
#endif

#define LEXLIB_BUFFER_SIZE 256

#endif