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Code Issues 1 Releases Wiki Activity

refactor(c-api): Use size_t on some JanetStructHead fields

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GrayJack 2024-04-15 18:48:10 -03:00
parent ed800bd39a
commit b3010e618e
2 changed files with 14 additions and 15 deletions
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25
src/core/struct.c
View File

@ -29,12 +29,11 @@
#endif
/* Begin creation of a struct */
JanetKV *janet_struct_begin(int32_t count) {
JanetKV *janet_struct_begin(size_t count) {
/* Calculate capacity as power of 2 after 2 * count. */
int32_t capacity = janet_tablen(2 * count);
if (capacity < 0) capacity = janet_tablen(count + 1);
size_t capacity = janet_tablen(2 * count);
size_t size = sizeof(JanetStructHead) + (size_t) capacity * sizeof(JanetKV);
size_t size = sizeof(JanetStructHead) + capacity * sizeof(JanetKV);
JanetStructHead *head = janet_gcalloc(JANET_MEMORY_STRUCT, size);
head->length = count;
head->capacity = capacity;
@ -49,9 +48,9 @@ JanetKV *janet_struct_begin(int32_t count) {
/* Find an item in a struct without looking for prototypes. Should be similar to janet_dict_find, but
* specialized to structs (slightly more compact). */
const JanetKV *janet_struct_find(const JanetKV *st, Janet key) {
int32_t cap = janet_struct_capacity(st);
size_t cap = janet_struct_capacity(st);
int32_t index = janet_maphash(cap, janet_hash(key));
int32_t i;
size_t i;
for (i = index; i < cap; i++)
if (janet_checktype(st[i].key, JANET_NIL) || janet_equals(st[i].key, key))
return st + i;
@ -70,7 +69,7 @@ const JanetKV *janet_struct_find(const JanetKV *st, Janet key) {
* hash map is independent of insertion order.
*/
void janet_struct_put_ext(JanetKV *st, Janet key, Janet value, int replace) {
int32_t cap = janet_struct_capacity(st);
size_t cap = janet_struct_capacity(st);
int32_t hash = janet_hash(key);
int32_t index = janet_maphash(cap, hash);
int32_t i, j, dist;
@ -144,7 +143,7 @@ const JanetKV *janet_struct_end(JanetKV *st) {
* the struct using only the values that went in. The second creation should always
* succeed. */
JanetKV *newst = janet_struct_begin(janet_struct_hash(st));
for (int32_t i = 0; i < janet_struct_capacity(st); i++) {
for (size_t i = 0; i < janet_struct_capacity(st); i++) {
JanetKV *kv = st + i;
if (!janet_checktype(kv->key, JANET_NIL)) {
janet_struct_put(newst, kv->key, kv->value);
@ -192,7 +191,7 @@ Janet janet_struct_get_ex(const JanetKV *st, Janet key, JanetStruct *which) {
/* Convert struct to table */
JanetTable *janet_struct_to_table(const JanetKV *st) {
JanetTable *table = janet_table(janet_struct_capacity(st));
int32_t i;
size_t i;
for (i = 0; i < janet_struct_capacity(st); i++) {
const JanetKV *kv = st + i;
if (!janet_checktype(kv->key, JANET_NIL)) {
@ -245,14 +244,14 @@ JANET_CORE_FN(cfun_struct_flatten,
cursor = janet_struct_proto(cursor);
}
if (pair_count > INT32_MAX) {
if (pair_count > JANET_INTMAX_INT64) {
janet_panic("struct too large");
}
JanetKV *accum = janet_struct_begin((int32_t) pair_count);
JanetKV *accum = janet_struct_begin((size_t) pair_count);
cursor = st;
while (cursor) {
for (int32_t i = 0; i < janet_struct_capacity(cursor); i++) {
for (size_t i = 0; i < janet_struct_capacity(cursor); i++) {
const JanetKV *kv = cursor + i;
if (!janet_checktype(kv->key, JANET_NIL)) {
janet_struct_put_ext(accum, kv->key, kv->value, 0);
@ -283,7 +282,7 @@ JANET_CORE_FN(cfun_struct_to_table,
}
/* TODO - implement as memcpy since struct memory should be compatible
* with table memory */
for (int32_t i = 0; i < janet_struct_capacity(cursor); i++) {
for (size_t i = 0; i < janet_struct_capacity(cursor); i++) {
const JanetKV *kv = cursor + i;
if (!janet_checktype(kv->key, JANET_NIL)) {
janet_table_put(tab_cursor, kv->key, kv->value);

4
src/include/janet.h
View File

@ -1007,9 +1007,9 @@ struct JanetTupleHead {
/* Prefix for a struct */
struct JanetStructHead {
JanetGCObject gc;
int32_t length;
size_t length;
int32_t hash;
int32_t capacity;
size_t capacity;
const JanetKV *proto;
const JanetKV data[];
};