#pragma once

// KPL specific types

#include "system.h"

typedef enum : int32_t {
   KPL_EXIT_CODE_SUCCESS    = 0,
   KPL_EXIT_CODE_ERROR      = 1,
   KPL_EXIT_CODE_HELP       = 2
} kpl_exit_code;

typedef uint8_t kpl_utf8[4];

typedef union {
    uint8_t u8;
    int8_t i8;
    uint16_t u16;
    int16_t i16;
    uint32_t u32;
    int32_t i32;
    uint64_t u64;
    int64_t i64;
    kpl_utf8 utf8;
    float f32;
    double f64;
    void *ptr;
} kpl_value;

typedef struct {
    kpl_value value;
    int64_t tag;
} kpl_result;

typedef struct _kpl_task kpl_task;

typedef struct _kpl_env kpl_env;

typedef void kpl_task_fn(kpl_task *task, kpl_env *env);

typedef struct _kpl_task {
    struct _kpl_task *_Atomic next, *join;
    kpl_task_fn *task_fn;
    int32_t io_res;
    uint32_t io_flags;
    int32_t thread_id;
    _Atomic bool canceled __attribute__((aligned(4))), join_ready __attribute__((aligned(8)));
    kpl_result result;
    // TODO TASK ARGUMENTS
} kpl_task;