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ptr.h
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ptr.h
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#ifndef ANT_NATIVE_PTR_H
#define ANT_NATIVE_PTR_H
#include "types.h"
#include "internal.h" // IWYU pragma: keep
static inline void *js_get_native(ant_value_t obj, uint32_t tag) {
ant_object_t *o = js_obj_ptr(obj);
if (!o || !tag) return NULL;
if (o->native.tag == tag) return o->native.ptr;
ant_object_sidecar_t *sidecar = ant_object_sidecar(o);
if (!sidecar) return NULL;
for (uint8_t i = 0; i < sidecar->native_count; i++)
if (sidecar->native_entries[i].tag == tag) return sidecar->native_entries[i].ptr;
return NULL;
}
static inline void js_clear_native(ant_value_t obj, uint32_t tag) {
ant_object_t *o = js_obj_ptr(obj);
if (!o || !tag) return;
ant_object_sidecar_t *sidecar = ant_object_sidecar(o);
if (o->native.tag == tag) {
if (sidecar && sidecar->native_count > 0) {
sidecar->native_count--;
o->native = sidecar->native_entries[sidecar->native_count];
} else {
o->native.ptr = NULL;
o->native.tag = 0;
}
return;
}
if (!sidecar) return;
for (uint8_t i = 0; i < sidecar->native_count; i++) {
if (sidecar->native_entries[i].tag != tag) continue;
sidecar->native_count--;
sidecar->native_entries[i] = sidecar->native_entries[sidecar->native_count];
return;
}
}
static inline void js_set_native(ant_value_t obj, void *ptr, uint32_t tag) {
ant_object_t *o = js_obj_ptr(obj);
if (!o || !tag) return;
if (o->native.tag == 0 || o->native.tag == tag) {
o->native.ptr = ptr;
o->native.tag = tag;
return;
}
ant_object_sidecar_t *sidecar = ant_object_ensure_sidecar(o);
if (!sidecar) return;
for (uint8_t i = 0; i < sidecar->native_count; i++) {
if (sidecar->native_entries[i].tag != tag) continue;
sidecar->native_entries[i].ptr = ptr;
return;
}
if (sidecar->native_count >= sidecar->native_cap) {
uint8_t next_cap = sidecar->native_cap ? (uint8_t)(sidecar->native_cap * 2) : 2;
ant_native_entry_t *next = realloc(sidecar->native_entries, next_cap * sizeof(*next));
if (!next) return;
sidecar->native_entries = next;
sidecar->native_cap = next_cap;
}
sidecar->native_entries[sidecar->native_count++] = (ant_native_entry_t){ ptr, tag };
}
static inline bool js_check_native_tag(ant_value_t obj, uint32_t tag) {
ant_object_t *o = js_obj_ptr(obj);
if (!o || !tag) return false;
if (o->native.tag == tag) return true;
ant_object_sidecar_t *sidecar = ant_object_sidecar(o);
if (!sidecar) return false;
for (uint8_t i = 0; i < sidecar->native_count; i++)
if (sidecar->native_entries[i].tag == tag) return true;
return false;
}
#endif

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