diff options
Diffstat (limited to 'erts/emulator/beam/erl_term.h')
| -rw-r--r-- | erts/emulator/beam/erl_term.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index 72946d9ddf..7605a41cd8 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -21,7 +21,6 @@ #define __ERL_TERM_H #include "sys.h" /* defines HALFWORD_HEAP */ -#include "erl_hashmap.h" typedef UWord Wterm; /* Full word terms */ @@ -996,6 +995,29 @@ _ET_DECLARE_CHECKED(Uint32*,external_ref_data,Wterm) _ET_DECLARE_CHECKED(struct erl_node_*,external_ref_node,Eterm) #define external_ref_node(x) _ET_APPLY(external_ref_node,(x)) +/* maps */ + +#define MAP_HEADER_TAG_SZ (2) +#define MAP_HEADER_ARITY_SZ (8) +#define MAP_HEADER_VAL_SZ (16) + +#define MAP_HEADER_TAG_FLAT (0x0) +#define MAP_HEADER_TAG_HAMT_NODE_BITMAP (0x1) +#define MAP_HEADER_TAG_HAMT_HEAD_ARRAY (0x2) +#define MAP_HEADER_TAG_HAMT_HEAD_BITMAP (0x3) + +#define MAP_HEADER_TYPE(Hdr) (((Hdr) >> (_HEADER_ARITY_OFFS)) & (0x3)) +#define MAP_HEADER_ARITY(Hdr) (((Hdr) >> (_HEADER_ARITY_OFFS + MAP_HEADER_TAG_SZ)) & (0xff)) +#define MAP_HEADER_VAL(Hdr) (((Hdr) >> (_HEADER_ARITY_OFFS + MAP_HEADER_TAG_SZ + MAP_HEADER_ARITY_SZ)) & (0xffff)) + +#define make_hashmap(x) make_boxed((Eterm*)(x)) +#define make_hashmap_rel make_boxed_rel +#define is_hashmap(x) (is_boxed((x)) && is_hashmap_header(*boxed_val((x)))) +#define is_hashmap_rel(RTERM,BASE) is_hashmap(rterm2wterm(RTERM,BASE)) +#define is_hashmap_header(x) (((x) & (_TAG_HEADER_MASK)) == _TAG_HEADER_HASHMAP) +#define hashmap_val(x) _unchecked_boxed_val((x)) +#define hashmap_val_rel(RTERM, BASE) hashmap_val(rterm2wterm(RTERM, BASE)) + /* number tests */ #define is_integer(x) (is_small(x) || is_big(x)) |