/* This software is licensed by the MIT License, see LICENSE file */
/*                                Copyright © 2022 Gregory Lirent */

#include <float.h>
#include <math.h>
#include <stddef.h>
#include <stdlib.h>

#include "../../include/vtype.h"
#include "__attributes.h"

#ifndef LIBCDSB_SRC_INTERNAL_INCLUDE
#define LIBCDSB_SRC_INTERNAL_INCLUDE

#define is_x64           (sizeof(void*) == sizeof(vtype_uint64))
#define is_big_endian    (*((unsigned int*)"\0\0\0\1") < (unsigned int)0xffff)
#define is_little_endian (!is_big_endian)
#define is_null(x)       (((void*)(x)) == nullptr)

#ifdef true
#  undef true
#endif

#ifdef false
#  undef false
#endif

#ifndef nullptr
#  define nullptr ((void*)0)
#endif

#define true  ((bool)1)
#define false ((bool)0)

#define abs(v) _Generic((v), ldbl_t: fabsl, dbl_t: fabs, fl_t: fabsf)(v)

typedef vtype_uint8   u8_t;
typedef vtype_uint16 u16_t;
typedef vtype_uint32 u32_t;
typedef vtype_uint64 u64_t;

typedef vtype_int8   s8_t;
typedef vtype_int16 s16_t;
typedef vtype_int32 s32_t;
typedef vtype_int64 s64_t;

typedef vtype_float     fl_t;
typedef vtype_double   dbl_t;
typedef vtype_ldouble ldbl_t;

typedef vtype_string  str_t;
typedef vtype_array   arr_t;
typedef vtype_list   list_t;
typedef vtype_map     map_t;
typedef vtype_set     set_t;
typedef vtype_dict   dict_t;

typedef vtype_hash   hash_t;


extern const size_t LIBCDSB_BUILTIN_VTYPE_SIZES[19];

extern int    libcdsb_builtin_vtype_compare_values   (const void* s0, vtype t0, const void* s1, vtype t1) pure__ wur__;
extern int    libcdsb_builtin_vtype_compare_values_eq(const void* s0, const void* s1, vtype t)            pure__ wur__;
extern hash_t libcdsb_builtin_vtype_hash             (const void* value, vtype type)                      pure__ wur__;

ainline(stack_t* libcdsb_builtin_stack_insert(stack_t* x, void* v)) {
    stack_t* p = x->prev;

    if (!is_null(x->prev = malloc(sizeof(*x)))) {
        x->prev->prev  = p;
        x->prev->value = v;
    } else abort();

    return x->prev;
}

#define aligned_alloc   libcdsb_aalloc
#define malloc          libcdsb_malloc
#define calloc          libcdsb_calloc
#define realloc         libcdsb_realloc
#define free            libcdsb_free
#define stack_init      libcdsb_stack_init
#define stack_push      libcdsb_stack_push
#define stack_push_many libcdsb_stack_push_many
#define stack_insert    libcdsb_builtin_stack_insert
#define stack_pop       libcdsb_stack_pop
#define stack_reverse   libcdsb_stack_reverse
#define stack_flush     libcdsb_stack_flush
#define strlen          libcdsb_strlen
#define strasciilen     libcdsb_strasciilen
#define strdup          libcdsb_strdup
#define strndup         libcdsb_strndup
#define memndup         libcdsb_memndup

#define vtype_stringify   libcdsb_vtype_stringify
#define vtype_name        libcdsb_vtype_name
#define vtype_compare     libcdsb_builtin_vtype_compare_values
#define vtype_compare_eq  libcdsb_builtin_vtype_compare_values_eq
#define vtype_hash        libcdsb_builtin_vtype_hash
#define vtype_size(type) (LIBCDSB_BUILTIN_VTYPE_SIZES[type])

#endif /* LIBCDSB_SRC_INTERNAL_INCLUDE */