dynarr.h File Reference

Defines a dynamically-allocated array template. More...

#include <stdlib.h>
#include "def.h"
#include "capture.h"
#include "abort.h"

Go to the source code of this file.

Macros
#define	PS_DYNARR_INITIAL_CAP   4
#define	PS_DYNARR_GROWTH_FACTOR   2
#define	_ps_dynarr_ptr(arr)   ((char*)arr + sizeof((arr)->header))
#define	_ps_dynarr_size(arr, cap)    sizeof(*arr) + (cap) * sizeof(*(arr)->contents)
#define	ps_dynarr(T)
#define	ps_dynarr_new(T)
#define	ps_push(__arrptr, __new_elem)
#define	ps_add(__arrptr, __capture)
#define	ps_dynarr_free(__arr)   free(__arr)
#define	arr(__arr)   ((__arr)->contents)
#define	for(__arr, __capture)

Detailed Description

Defines a dynamically-allocated array template.

Copyright

Copyright (C) 2023 Ethan Uppal. All rights reserved.

Author

Ethan Uppal

Definition in file dynarr.h.

Macro Definition Documentation

_ps_dynarr_ptr

#define _ps_dynarr_ptr

(

arr

)

((char*)arr + sizeof((arr)->header))

Definition at line 24 of file dynarr.h.

_ps_dynarr_size

#define _ps_dynarr_size	(		arr,
			cap
	)		sizeof(*arr) + (cap) * sizeof(*(arr)->contents)

Definition at line 25 of file dynarr.h.

arr

#define arr

(

__arr

)

((__arr)->contents)

Definition at line 67 of file dynarr.h.

for

#define for	(		__arr,
			__capture
	)

Value:

    do {                                                                       \
        for (usize i = 0; i < (__arr)->length; i++) {                          \
            $run(__capture, ($arr(__arr)[i]));                                 \
        }                                                                      \
    } while (0)

Definition at line 69 of file dynarr.h.

ps_add

#define ps_add	(		__arrptr,
			__capture
	)

Value:

    do {                                                                       \
        auto_t __arr = *(__arrptr);                                            \
        if (__arr->length + 1 > __arr->capacity) {                             \
            __arr->capacity *= PS_DYNARR_GROWTH_FACTOR;                        \
            __arr = realloc(__arr, _ps_dynarr_size(__arr, __arr->capacity));   \
        }                                                                      \
        if (__arr) {                                                           \
            $run(__capture, &__arr->contents[__arr->length++]);                \
        } else {                                                               \
            PS_NO_MEMORY();                                                    \
        }                                                                      \
        *(__arrptr) = __arr;                                                   \
    } while (0)

Definition at line 50 of file dynarr.h.

ps_dynarr

#define ps_dynarr

(

T

)

Value:

    {                                                                          \
        usize length;                                                          \
        usize capacity;                                                        \
        T contents[];                                                          \
    }

Definition at line 28 of file dynarr.h.

ps_dynarr_free

#define ps_dynarr_free

(

__arr

)

free(__arr)

Definition at line 65 of file dynarr.h.

PS_DYNARR_GROWTH_FACTOR

#define PS_DYNARR_GROWTH_FACTOR   2

Definition at line 21 of file dynarr.h.

PS_DYNARR_INITIAL_CAP

#define PS_DYNARR_INITIAL_CAP   4

Definition at line 17 of file dynarr.h.

ps_dynarr_new

#define ps_dynarr_new

(

T

)

Value:

    ({                                                                         \
        T* arr = malloc(_ps_dynarr_size(arr, PS_DYNARR_INITIAL_CAP));          \
        if (!arr) PS_NO_MEMORY();                                              \
        if (arr) {                                                             \
            arr->length = 0;                                                   \
            arr->capacity = PS_DYNARR_INITIAL_CAP;                             \
        }                                                                      \
        arr;                                                                   \
    })

Definition at line 35 of file dynarr.h.

ps_push

#define ps_push	(		__arrptr,
			__new_elem
	)

Value:

    ps_add(                                                                    \
        __arrptr, $(__elem) in { *(__elem) = (__new_elem); })

Definition at line 46 of file dynarr.h.