mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 11:30:18 +00:00
51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
#pragma once
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define PK_REGION(name) 1
|
|
|
|
#define PK_SLICE_LOOP(i, start, stop, step) \
|
|
for(int i = start; step > 0 ? i < stop : i > stop; i += step)
|
|
|
|
// global constants
|
|
#define PK_HEX_TABLE "0123456789abcdef"
|
|
|
|
#ifdef _MSC_VER
|
|
#define c11__unreachable() __assume(0)
|
|
#else
|
|
#define c11__unreachable() __builtin_unreachable()
|
|
#endif
|
|
|
|
#define c11__abort(...) \
|
|
do { \
|
|
fprintf(stderr, __VA_ARGS__); \
|
|
putchar('\n'); \
|
|
abort(); \
|
|
} while(0)
|
|
|
|
#define c11__min(a, b) ((a) < (b) ? (a) : (b))
|
|
#define c11__max(a, b) ((a) > (b) ? (a) : (b))
|
|
|
|
#define c11__count_array(a) (sizeof(a) / sizeof(a[0]))
|
|
|
|
// NARGS
|
|
#define PK_NARGS_SEQ(_1, _2, _3, _4, N, ...) N
|
|
#define PK_NARGS(...) PK_NARGS_SEQ(__VA_ARGS__, 4, 3, 2, 1, 0)
|
|
#define PK_NPTRS(...) PK_NARGS_SEQ(__VA_ARGS__, int****, int***, int**, int*, int)
|
|
|
|
// ref counting
|
|
typedef struct RefCounted {
|
|
int count;
|
|
void (*dtor)(void*);
|
|
} RefCounted;
|
|
|
|
#define PK_INCREF(obj) (obj)->rc.count++
|
|
#define PK_DECREF(obj) \
|
|
do { \
|
|
if(--(obj)->rc.count == 0) { \
|
|
(obj)->rc.dtor(obj); \
|
|
PK_FREE(obj); \
|
|
} \
|
|
} while(0)
|