/*
-Copyright (C) 2017 Keziah Wesley
+Copyright (C) 2017-2018 Keziah Wesley
You can redistribute and/or modify this file under the terms of the
GNU Affero General Public License as published by the Free Software
#include <stdbool.h>
#include <stdint.h>
-/// 0, or a "pointer" to an object allocated in the pool and fully-initialized
typedef uint32_t pool_ptr;
-/// 0, or a "pointer" to an object allocated in the heap and fully-initialized
typedef int32_t heap_ptr;
typedef union pool_object pool_object;
typedef union object object;
-extern char *pool; // pool_object
-extern char *vhp_base; // object
-extern char *vhp; // object
+pool_object *POOL_OBJECT (pool_ptr p);
+object *HEAP_OBJECT (heap_ptr p);
-static inline pool_object *
-POOL_OBJECT (pool_ptr p)
-{
- return (pool_object *) (uintptr_t) p;
-}
-
-static inline bool
-IS_VALID_POOL_OBJECT (pool_object * p)
-{
- pool_ptr pp = (pool_ptr) (uintptr_t) p;
- return (uintptr_t) pp == (uintptr_t) p;
-}
-
-static inline pool_ptr
-POOL_PTR (pool_object * p)
-{
- pool_ptr pp = (pool_ptr) (uintptr_t) p;
- assert (IS_VALID_POOL_OBJECT (p));
- return pp;
-}
-
-// TODO make (heap_ptr)0 nullish
-static inline object *
-OBJECT_OF_HEAP_PTR (heap_ptr p)
-{
- assert (p >= 0);
- return (object *) (vhp_base + (p << 4));
-}
-
-static inline pool_object *
-pool_alloc (uint32_t len)
-{
- char *pp = pool;
- pool += (len << 4);
- return (pool_object *) pp;
-}
-
-static inline heap_ptr
-HEAP_PTR_OF_OBJECT (object * p)
-{
- assert ((uintptr_t) p >= (uintptr_t) vhp_base);
- heap_ptr h = (heap_ptr) ((uintptr_t) p - (uintptr_t) vhp_base);
- return h;
-}
-
-static inline object *
-heap_alloc (uint32_t len)
-{
- enum
- { DOPE_LEN = 1 };
- char *p = vhp;
- vhp += (len + DOPE_LEN) << 4;
- return (object *) p;
-}
+pool_ptr pool_alloc (uint32_t len);
+heap_ptr heap_alloc (uint32_t len);
// given a headerless array of objects of known size,
// copy it backwards into newly-allocated pool space
-pool_ptr pool_copy_array_rev (const pool_object * objs, uint32_t len);
-
-// given a headerless array of objects of known size,
-// copy it backwards into a newly-allocated vector body
-heap_ptr heap_copy_array_rev (const object * objs, uint32_t len);
+pool_ptr pool_copy_array_rev (const pool_object *objs, uint32_t len);
+heap_ptr heap_copy_array_rev (const object *objs, uint32_t len);
#endif // ALLOC_H