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authorBjörn-Egil Dahlberg <[email protected]>2014-05-12 16:44:24 +0200
committerBjörn-Egil Dahlberg <[email protected]>2014-05-12 16:44:24 +0200
commit614bca0f5832f06bcc181c58b78e3371d79ec40d (patch)
treebeb8d9d41d986641cbfdd116b358d6bd15aa9fe4 /erts/emulator
parentc563f5866b42a3479050241284fffc1245aebe7d (diff)
parente1d5e4841a657ad26254597dc8f2bb09a38c6646 (diff)
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Merge branch 'egil/fix-erts_debug-size/OTP-11923' into maint
* egil/fix-erts_debug-size/OTP-11923: erts: Update preloaded erts_internal.beam erts: Add spec for erts_internal:map_to_tuple_keys/1 erts: Add testcase for erts_debug:size/1 Map terms kernel: Fix erts_debug:size/1 to handle Map sizes erts: Add erts_internal:map_to_tuple_keys/1
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/bif.tab1
-rw-r--r--erts/emulator/beam/erl_map.c16
-rw-r--r--erts/emulator/test/erts_debug_SUITE.erl6
3 files changed, 23 insertions, 0 deletions
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);
+}
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl
index 87778dd0c2..e5c904cfb9 100644
--- a/erts/emulator/test/erts_debug_SUITE.erl
+++ b/erts/emulator/test/erts_debug_SUITE.erl
@@ -67,6 +67,9 @@ test_size(Config) when is_list(Config) ->
2 = do_test_size({[]}),
3 = do_test_size({a,b}),
7 = do_test_size({a,[b,c]}),
+ 8 = do_test_size(#{b => 2,c => 3}),
+ 4 = do_test_size(#{}),
+ 32 = do_test_size(#{b => 2,c => 3,txt => "hello world"}),
%% Test internal consistency of sizes, but without testing
%% exact sizes.
@@ -97,6 +100,9 @@ test_size(Config) when is_list(Config) ->
do_test_size({SimplestFun,SimplestFun},
2*FunSz0+do_test_size({a,b}),
FunSz0+do_test_size({a,b})),
+
+ M = id(#{ "atom" => first, i => 0}),
+ do_test_size([M,M#{ "atom" := other },M#{i := 42}],54,32),
ok.
do_test_size(Term) ->