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

#ifndef LIBCDSB_BITS_GENERICS_H
#define LIBCDSB_BITS_GENERICS_H

#define vtypeof(x) (vtype)(_Generic((x),\
    const void*:         VTYPE_POINTER, void*:         VTYPE_POINTER,\
    const char**:        VTYPE_STRING,  char**:        VTYPE_STRING,\
    const vtype_string*: VTYPE_STRING,  vtype_string*: VTYPE_STRING,\
    const vtype_array*:  VTYPE_ARRAY,   vtype_array*:  VTYPE_ARRAY,\
    const vtype_list*:   VTYPE_LIST,    vtype_list*:   VTYPE_LIST,\
    const vtype_map*:    VTYPE_MAP,     vtype_map*:    VTYPE_MAP,\
    const vtype_set*:    VTYPE_SET,     vtype_set*:    VTYPE_SET,\
    const vtype_dict*:   VTYPE_DICT,    vtype_dict*:   VTYPE_DICT,\
    vtype_bool:          VTYPE_BOOLEAN,\
    vtype_uint8:         VTYPE_UINT8,\
    vtype_uint16:        VTYPE_UINT16,\
    vtype_uint32:        VTYPE_UINT32,\
    vtype_uint64:        VTYPE_UINT64,\
    vtype_int8:          VTYPE_INT8,\
    vtype_int16:         VTYPE_INT16,\
    vtype_int32:         VTYPE_INT32,\
    vtype_int64:         VTYPE_INT64,\
    vtype_float:         VTYPE_FLOAT,\
    vtype_double:        VTYPE_DOUBLE,\
    vtype_ldouble:       VTYPE_LDOUBLE))

#define _LIBCDSB_vtypeof(x)       vtypeof(_Generic((x), default: (x), const char*: &(x), char*: &(x)))
#define _LIBCDSB_value_pointer(x) _Generic((x), default: &(x),\
    vtype_string*: (x), const vtype_string*: (x),\
    vtype_array*:  (x), const vtype_array*:  (x),\
    vtype_list*:   (x), const vtype_list*:   (x),\
    vtype_map*:    (x), const vtype_map*:    (x),\
    vtype_set*:    (x), const vtype_set*:    (x),\
    vtype_dict*:   (x), const vtype_dict*:   (x))

#define _LIBCDSB_to_cstring(x) _Generic((x), default:      _LIBCDSB_nothing,\
    vtype_string*: _LIBCDSB_deref1, const vtype_string*:    _LIBCDSB_deref1,\
    int:   libcdsb_char_to_cstring, unsigned int:   libcdsb_char_to_cstring,\
    char:  libcdsb_char_to_cstring, unsigned char:  libcdsb_char_to_cstring,\
    short: libcdsb_char_to_cstring, unsigned short: libcdsb_char_to_cstring\
)(x)

inline const void* _LIBCDSB_nothing(const void* x) __attribute__((always_inline));
inline const void* _LIBCDSB_deref1 (const void* x) __attribute__((always_inline));

inline const void* _LIBCDSB_nothing(const void* x) { return x; }
inline const void* _LIBCDSB_deref1 (const void* x) { return *(void**)x; }

#endif /* LIBCDSB_BITS_GENERICS_H */