replay array.h changes onto crates/generate/.../array.h

This commit is contained in:
Nathaniel Wesley Filardo 2026-01-06 02:44:57 +00:00
parent 3b1845392c
commit ab337acf49

View file

@ -21,98 +21,108 @@ extern "C" {
#pragma GCC diagnostic ignored "-Wunused-variable"
#endif
#define Array(T) \
struct { \
T *contents; \
uint32_t size; \
uint32_t capacity; \
typedef struct {
uint32_t size;
uint32_t capacity;
} _ArrayMeta;
#define Array(T) \
struct { \
T *contents; \
_ArrayMeta meta; \
}
/// Initialize an array.
#define array_init(self) \
((self)->size = 0, (self)->capacity = 0, (self)->contents = NULL)
((self)->meta.size = 0, (self)->meta.capacity = 0, (self)->contents = NULL)
/// Create an empty array.
#define array_new() \
{ NULL, 0, 0 }
{ NULL, { 0, 0 } }
/// Get a pointer to the element at a given `index` in the array.
#define array_get(self, _index) \
(assert((uint32_t)(_index) < (self)->size), &(self)->contents[_index])
(assert((uint32_t)(_index) < (self)->meta.size), &(self)->contents[_index])
/// Get a pointer to the first element in the array.
#define array_front(self) array_get(self, 0)
/// Get a pointer to the last element in the array.
#define array_back(self) array_get(self, (self)->size - 1)
#define array_back(self) array_get(self, (self)->meta.size - 1)
/// Clear the array, setting its size to zero. Note that this does not free any
/// memory allocated for the array's contents.
#define array_clear(self) ((self)->size = 0)
#define array_clear(self) ((self)->meta.size = 0)
/// Reserve `new_capacity` elements of space in the array. If `new_capacity` is
/// less than the array's current capacity, this function has no effect.
#define array_reserve(self, new_capacity) \
_array__reserve((Array *)(self), array_elem_size(self), new_capacity)
(self)->contents = _array__reserve(&(self)->meta, (self)->contents, array_elem_size(self), new_capacity)
/// Free any memory allocated for this array. Note that this does not free any
/// memory allocated for the array's contents.
#define array_delete(self) _array__delete((Array *)(self))
#define array_delete(self) _array__delete((self)->contents, (self), sizeof(*self))
/// Push a new `element` onto the end of the array.
#define array_push(self, element) \
(_array__grow((Array *)(self), 1, array_elem_size(self)), \
(self)->contents[(self)->size++] = (element))
((self)->contents = _array__grow(&(self)->meta, (self)->contents, 1, \
array_elem_size(self)), \
(self)->contents[(self)->meta.size++] = (element))
/// Increase the array's size by `count` elements.
/// New elements are zero-initialized.
#define array_grow_by(self, count) \
do { \
if ((count) == 0) break; \
_array__grow((Array *)(self), count, array_elem_size(self)); \
memset((self)->contents + (self)->size, 0, (count) * array_elem_size(self)); \
(self)->size += (count); \
(self)->contents = _array__grow(&(self)->meta, (self)->contents, count, array_elem_size(self)); \
memset((self)->contents + (self)->meta.size, 0, (count) * array_elem_size(self)); \
(self)->meta.size += (count); \
} while (0)
/// Append all elements from one array to the end of another.
#define array_push_all(self, other) \
array_extend((self), (other)->size, (other)->contents)
#define array_push_all(self, other) \
array_extend((self), (other)->meta.size, (other)->contents)
/// Append `count` elements to the end of the array, reading their values from the
/// `contents` pointer.
#define array_extend(self, count, contents) \
_array__splice( \
(Array *)(self), array_elem_size(self), (self)->size, \
0, count, contents \
)
#define array_extend(self, count, new_contents) \
(self)->contents = _array__splice( \
&(self)->meta, (self)->contents, array_elem_size(self), \
(self)->meta.size, 0, (count), (new_contents))
/// Remove `old_count` elements from the array starting at the given `index`. At
/// the same index, insert `new_count` new elements, reading their values from the
/// `new_contents` pointer.
#define array_splice(self, _index, old_count, new_count, new_contents) \
_array__splice( \
(Array *)(self), array_elem_size(self), _index, \
old_count, new_count, new_contents \
)
#define array_splice(self, _index, old_count, new_count, new_contents) \
(self)->contents = _array__splice( \
&(self)->meta, (self)->contents, array_elem_size(self), \
(_index), (old_count), (new_count), (new_contents))
/// Insert one `element` into the array at the given `index`.
#define array_insert(self, _index, element) \
_array__splice((Array *)(self), array_elem_size(self), _index, 0, 1, &(element))
#define array_insert(self, _index, element) \
(self)->contents = _array__splice(&(self)->meta, (self)->contents, \
array_elem_size(self), _index, 0, 1, &(element))
/// Remove one element from the array at the given `index`.
#define array_erase(self, _index) \
_array__erase((Array *)(self), array_elem_size(self), _index)
_array__erase(&(self)->meta, (self)->contents, array_elem_size(self), _index)
/// Pop the last element off the array, returning the element by value.
#define array_pop(self) ((self)->contents[--(self)->size])
#define array_pop(self) ((self)->contents[--(self)->meta.size])
/// Assign the contents of one array to another, reallocating if necessary.
#define array_assign(self, other) \
_array__assign((Array *)(self), (const Array *)(other), array_elem_size(self))
(self)->contents = _array__assign(&(self)->meta, (self)->contents, &(other)->meta, (other)->contents, array_elem_size(self))
/// Swap one array with another
#define array_swap(self, other) \
_array__swap((Array *)(self), (Array *)(other))
do { \
_ArrayMeta swapMeta = (other)->meta; \
void* swapContents = (other)->contents; \
*(other) = *(self); \
(self)->meta = swapMeta; \
(self)->contents = swapContents; \
} while(0)
/// Get the size of the array contents
#define array_elem_size(self) (sizeof *(self)->contents)
@ -157,82 +167,73 @@ extern "C" {
// Private
typedef Array(void) Array;
/// This is not what you're looking for, see `array_delete`.
static inline void _array__delete(Array *self) {
if (self->contents) {
ts_free(self->contents);
self->contents = NULL;
self->size = 0;
self->capacity = 0;
static inline void _array__delete(void *self_contents, void *vself, size_t vselfsize) {
if (self_contents) {
ts_free(self_contents);
memset(vself, 0, vselfsize);
}
}
/// This is not what you're looking for, see `array_erase`.
static inline void _array__erase(Array *self, size_t element_size,
static inline void _array__erase(_ArrayMeta *self_meta, void *self_contents, size_t element_size,
uint32_t index) {
assert(index < self->size);
char *contents = (char *)self->contents;
assert(index < self_meta->size);
char *contents = self_contents;
memmove(contents + index * element_size, contents + (index + 1) * element_size,
(self->size - index - 1) * element_size);
self->size--;
(self_meta->size - index - 1) * element_size);
self_meta->size--;
}
/// This is not what you're looking for, see `array_reserve`.
static inline void _array__reserve(Array *self, size_t element_size, uint32_t new_capacity) {
if (new_capacity > self->capacity) {
if (self->contents) {
self->contents = ts_realloc(self->contents, new_capacity * element_size);
static inline void *_array__reserve(_ArrayMeta *self_meta, void *self_contents, size_t element_size, uint32_t new_capacity) {
if (new_capacity > self_meta->capacity) {
self_meta->capacity = new_capacity;
if (self_contents) {
return ts_realloc(self_contents, new_capacity * element_size);
} else {
self->contents = ts_malloc(new_capacity * element_size);
return ts_malloc(new_capacity * element_size);
}
self->capacity = new_capacity;
}
return self_contents;
}
/// This is not what you're looking for, see `array_assign`.
static inline void _array__assign(Array *self, const Array *other, size_t element_size) {
_array__reserve(self, element_size, other->size);
self->size = other->size;
memcpy(self->contents, other->contents, self->size * element_size);
}
/// This is not what you're looking for, see `array_swap`.
static inline void _array__swap(Array *self, Array *other) {
Array swap = *other;
*other = *self;
*self = swap;
static inline void* _array__assign(_ArrayMeta *self_meta, void *self_contents, const _ArrayMeta *other_meta, const void *other_contents, size_t element_size) {
void *new_self_contents = _array__reserve(self_meta, self_contents, element_size, other_meta->size);
self_meta->size = other_meta->size;
memcpy(new_self_contents, other_contents, self_meta->size * element_size);
return new_self_contents;
}
/// This is not what you're looking for, see `array_push` or `array_grow_by`.
static inline void _array__grow(Array *self, uint32_t count, size_t element_size) {
uint32_t new_size = self->size + count;
if (new_size > self->capacity) {
uint32_t new_capacity = self->capacity * 2;
static inline void *_array__grow(_ArrayMeta *self_meta, void *self_contents, uint32_t count, size_t element_size) {
uint32_t new_size = self_meta->size + count;
if (new_size > self_meta->capacity) {
uint32_t new_capacity = self_meta->capacity * 2;
if (new_capacity < 8) new_capacity = 8;
if (new_capacity < new_size) new_capacity = new_size;
_array__reserve(self, element_size, new_capacity);
return _array__reserve(self_meta, self_contents, element_size, new_capacity);
}
return self_contents;
}
/// This is not what you're looking for, see `array_splice`.
static inline void _array__splice(Array *self, size_t element_size,
static inline void* _array__splice(_ArrayMeta *self_meta, void *self_contents, size_t element_size,
uint32_t index, uint32_t old_count,
uint32_t new_count, const void *elements) {
uint32_t new_size = self->size + new_count - old_count;
uint32_t new_size = self_meta->size + new_count - old_count;
uint32_t old_end = index + old_count;
uint32_t new_end = index + new_count;
assert(old_end <= self->size);
assert(old_end <= self_meta->size);
_array__reserve(self, element_size, new_size);
char *contents = _array__reserve(self_meta, self_contents, element_size, new_size);
char *contents = (char *)self->contents;
if (self->size > old_end) {
if (self_meta->size > old_end) {
memmove(
contents + new_end * element_size,
contents + old_end * element_size,
(self->size - old_end) * element_size
(self_meta->size - old_end) * element_size
);
}
if (new_count > 0) {
@ -250,7 +251,9 @@ static inline void _array__splice(Array *self, size_t element_size,
);
}
}
self->size += new_count - old_count;
self_meta->size += new_count - old_count;
return contents;
}
/// A binary search routine, based on Rust's `std::slice::binary_search_by`.
@ -259,7 +262,7 @@ static inline void _array__splice(Array *self, size_t element_size,
do { \
*(_index) = start; \
*(_exists) = false; \
uint32_t size = (self)->size - *(_index); \
uint32_t size = (self)->meta.size - *(_index); \
if (size == 0) break; \
int comparison; \
while (size > 1) { \