#include "alloc.h"
#include "object.h"
+extern pool_object *pool;
+extern pool_ptr ptop;
+
+pool_ptr
+pool_alloc (uint32_t len)
+{
+ pool_ptr p = ptop;
+ ptop += len;
+ return p;
+}
+
+pool_object *
+POOL_OBJECT (pool_ptr p)
+{
+ if (!p)
+ return (pool_object *) 0;
+ return &pool[p];
+}
+
pool_ptr
pool_copy_array_rev (const pool_object * objs, uint32_t len)
{
if (!len)
return 0;
- pool_object *xs = pool_alloc (len);
- for (int i = 0; i < (int) len; i++)
+ pool_ptr p = pool_alloc (len);
+ for (int i = 0; i < len; i++)
{
- xs[i].type = objs[len - 1 - (unsigned) i].type;
- xs[i].rest = POOL_PTR (&xs[i + 1]);
- xs[i].val = objs[len - 1 - (unsigned) i].val;
+ pool[p + i] = (pool_object)
+ {
+ .type = objs[len - i - 1].type,.rest = p + i + 1,.val =
+ objs[len - i - 1].val};
}
- xs[len - 1].rest = 0;
- return POOL_PTR (xs);
+ pool[p + len - 1].rest = 0;
+ return p;
}
heap_ptr