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-rw-r--r--lib/stdlib/src/ets.erl51
1 files changed, 39 insertions, 12 deletions
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index 42fa8ede92..29f907ad73 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -73,10 +73,13 @@
select_count/2, select_delete/2, select_replace/2, select_reverse/1,
select_reverse/2, select_reverse/3, setopts/2, slot/2,
take/2,
- update_counter/3, update_counter/4, update_element/3]).
+ update_counter/3, update_counter/4, update_element/3,
+ whereis/1]).
%% internal exports
--export([internal_request_all/0]).
+-export([internal_request_all/0,
+ internal_delete_all/2,
+ internal_select_delete/2]).
-spec all() -> [Tab] when
Tab :: tab().
@@ -115,7 +118,15 @@ delete(_, _) ->
-spec delete_all_objects(Tab) -> true when
Tab :: tab().
-delete_all_objects(_) ->
+delete_all_objects(Tab) ->
+ _ = ets:internal_delete_all(Tab, undefined),
+ true.
+
+-spec internal_delete_all(Tab, undefined) -> NumDeleted when
+ Tab :: tab(),
+ NumDeleted :: non_neg_integer().
+
+internal_delete_all(_, _) ->
erlang:nif_error(undef).
-spec delete_object(Tab, Object) -> true when
@@ -145,6 +156,7 @@ give_away(_, _, _) ->
InfoList :: [InfoTuple],
InfoTuple :: {compressed, boolean()}
| {heir, pid() | none}
+ | {id, tid()}
| {keypos, pos_integer()}
| {memory, non_neg_integer()}
| {name, atom()}
@@ -162,7 +174,7 @@ info(_) ->
-spec info(Tab, Item) -> Value | undefined when
Tab :: tab(),
- Item :: compressed | fixed | heir | keypos | memory
+ Item :: compressed | fixed | heir | id | keypos | memory
| name | named_table | node | owner | protection
| safe_fixed | safe_fixed_monotonic_time | size | stats | type
| write_concurrency | read_concurrency,
@@ -376,7 +388,17 @@ select_count(_, _) ->
MatchSpec :: match_spec(),
NumDeleted :: non_neg_integer().
-select_delete(_, _) ->
+select_delete(Tab, [{'_',[],[true]}]) ->
+ ets:internal_delete_all(Tab, undefined);
+select_delete(Tab, MatchSpec) ->
+ ets:internal_select_delete(Tab, MatchSpec).
+
+-spec internal_select_delete(Tab, MatchSpec) -> NumDeleted when
+ Tab :: tab(),
+ MatchSpec :: match_spec(),
+ NumDeleted :: non_neg_integer().
+
+internal_select_delete(_, _) ->
erlang:nif_error(undef).
-spec select_replace(Tab, MatchSpec) -> NumReplaced when
@@ -512,6 +534,11 @@ update_counter(_, _, _, _) ->
update_element(_, _, _) ->
erlang:nif_error(undef).
+-spec whereis(TableName) -> tid() | undefined when
+ TableName :: atom().
+whereis(_) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
-opaque comp_match_spec() :: reference().
@@ -882,10 +909,10 @@ tab2file(Tab, File, Options) ->
_ = disk_log:close(Name),
_ = file:delete(File),
exit(ExReason);
- error:ErReason ->
+ error:ErReason:StackTrace ->
_ = disk_log:close(Name),
_ = file:delete(File),
- erlang:raise(error,ErReason,erlang:get_stacktrace())
+ erlang:raise(error,ErReason,StackTrace)
end
catch
throw:TReason2 ->
@@ -1060,9 +1087,9 @@ file2tab(File, Opts) ->
exit:ExReason ->
ets:delete(Tab),
exit(ExReason);
- error:ErReason ->
+ error:ErReason:StackTrace ->
ets:delete(Tab),
- erlang:raise(error,ErReason,erlang:get_stacktrace())
+ erlang:raise(error,ErReason,StackTrace)
end
after
_ = disk_log:close(Name)
@@ -1719,7 +1746,7 @@ get_line(P, Default) ->
line_string(Binary) when is_binary(Binary) -> unicode:characters_to_list(Binary);
line_string(Other) -> Other.
-nonl(S) -> string:strip(S, right, $\n).
+nonl(S) -> string:trim(S, trailing, "$\n").
print_number(Tab, Key, Num) ->
Os = ets:lookup(Tab, Key),
@@ -1748,7 +1775,7 @@ do_display_item(_Height, Width, I, Opos) ->
L = to_string(I),
L2 = if
length(L) > Width - 8 ->
- string:substr(L, 1, Width-13) ++ " ...";
+ string:slice(L, 0, Width-13) ++ " ...";
true ->
L
end,