From 88fb069f83c39a47f65809ee5d6e7cadc170e56b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Wed, 30 Apr 2014 14:47:24 +0200 Subject: erts: Add erts_internal:map_to_tuple_keys/1 * Used for introspection. * Will return the internal key tuple if applicable * Not documented - not for public use --- erts/emulator/beam/bif.tab | 1 + erts/emulator/beam/erl_map.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) (limited to 'erts') diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 2d888862bf..fbdddf09db 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -157,6 +157,7 @@ bif erts_internal:binary_to_term/2 bif erts_internal:request_system_task/3 bif erts_internal:check_process_code/2 +bif erts_internal:map_to_tuple_keys/1 # inet_db support bif erlang:port_set_data/2 diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index fdd2d0c0f6..5e740aacdd 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -58,6 +58,8 @@ * - maps:size/1 * - maps:without/2 * + * DEBUG: for sharing calculation + * - erts_internal:map_to_tuple_keys/1 */ /* erlang:map_size/1 @@ -819,3 +821,17 @@ int erts_validate_and_sort_map(map_t* mp) } return 1; } + +/* + * erts_internal:map_to_tuple_keys/1 + * + * Used in erts_debug:size/1 + */ + +BIF_RETTYPE erts_internal_map_to_tuple_keys_1(BIF_ALIST_1) { + if (is_map(BIF_ARG_1)) { + map_t *mp = (map_t*)map_val(BIF_ARG_1); + BIF_RET(mp->keys); + } + BIF_ERROR(BIF_P, BADARG); +} -- cgit v1.2.3