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-rw-r--r--lib/stdlib/src/Makefile1
-rw-r--r--lib/stdlib/src/erl_eval.erl8
-rw-r--r--lib/stdlib/src/erl_parse.yrl21
-rw-r--r--lib/stdlib/src/erl_tar.erl38
-rw-r--r--lib/stdlib/src/filelib.erl2
-rw-r--r--lib/stdlib/src/maps.erl18
-rw-r--r--lib/stdlib/src/otp_internal.erl2
-rw-r--r--lib/stdlib/src/pg.erl187
-rw-r--r--lib/stdlib/src/stdlib.app.src1
-rw-r--r--lib/stdlib/src/stdlib.appup.src6
10 files changed, 63 insertions, 221 deletions
diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile
index 9ab2cd4134..1b3744b6fb 100644
--- a/lib/stdlib/src/Makefile
+++ b/lib/stdlib/src/Makefile
@@ -97,7 +97,6 @@ MODULES= \
otp_internal \
orddict \
ordsets \
- pg \
re \
pool \
proc_lib \
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index acde3ad5d6..3cfedfee97 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -244,17 +244,17 @@ expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) ->
erlang:raise(error, {undef_record,Name}, stacktrace());
%% map
-expr({map,_, Binding,Es}, Bs0, Lf, Ef, RBs) ->
- {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, RBs),
+expr({map,_,Binding,Es}, Bs0, Lf, Ef, RBs) ->
+ {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, none),
case Map0 of
#{} ->
- {Vs,Bs} = eval_map_fields(Es, Bs1, Lf, Ef),
+ {Vs,Bs2} = eval_map_fields(Es, Bs0, Lf, Ef),
Map1 = lists:foldl(fun ({map_assoc,K,V}, Mi) ->
maps:put(K, V, Mi);
({map_exact,K,V}, Mi) ->
maps:update(K, V, Mi)
end, Map0, Vs),
- ret_expr(Map1, Bs, RBs);
+ ret_expr(Map1, merge_bindings(Bs2, Bs1), RBs);
_ ->
erlang:raise(error, {badarg,Map0}, stacktrace())
end;
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 828870d492..a626d98ee4 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -860,10 +860,12 @@ build_fun(Line, Cs) ->
end.
check_clauses(Cs, Name, Arity) ->
- mapl(fun ({clause,L,N,As,G,B}) when N =:= Name, length(As) =:= Arity ->
- {clause,L,As,G,B};
- ({clause,L,_N,_As,_G,_B}) ->
- ret_err(L, "head mismatch") end, Cs).
+ [case C of
+ {clause,L,N,As,G,B} when N =:= Name, length(As) =:= Arity ->
+ {clause,L,As,G,B};
+ {clause,L,_N,_As,_G,_B} ->
+ ret_err(L, "head mismatch")
+ end || C <- Cs].
build_try(L,Es,Scs,{Ccs,As}) ->
{'try',L,Es,Scs,Ccs,As}.
@@ -873,17 +875,6 @@ ret_err(L, S) ->
{location,Location} = get_attribute(L, location),
return_error(Location, S).
-%% mapl(F,List)
-%% an alternative map which always maps from left to right
-%% and makes it possible to interrupt the mapping with throw on
-%% the first occurence from left as expected.
-%% can be removed when the jam machine (and all other machines)
-%% uses the standardized (Erlang 5.0) evaluation order (from left to right)
-mapl(F, [H|T]) ->
- V = F(H),
- [V | mapl(F,T)];
-mapl(_, []) ->
- [].
%% Convert between the abstract form of a term and a term.
diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl
index 40b48d7999..acf7a5cd40 100644
--- a/lib/stdlib/src/erl_tar.erl
+++ b/lib/stdlib/src/erl_tar.erl
@@ -381,7 +381,12 @@ to_octal(Int, Count, Result) ->
to_octal(Int div 8, Count-1, [Int rem 8 + $0|Result]).
to_string(Str0, Count) ->
- Str = list_to_binary(Str0),
+ Str = case file:native_name_encoding() of
+ utf8 ->
+ unicode:characters_to_binary(Str0);
+ latin1 ->
+ list_to_binary(Str0)
+ end,
case byte_size(Str) of
Size when Size < Count ->
[Str|zeroes(Count-Size)];
@@ -392,9 +397,17 @@ to_string(Str0, Count) ->
pad_file(File) ->
{ok,Position} = file:position(File, {cur,0}),
- %% There must be at least one empty record at the end of the file.
- Zeros = zeroes(?block_size - (Position rem ?block_size)),
- file:write(File, Zeros).
+ %% There must be at least two zero records at the end.
+ Fill = case ?block_size - (Position rem ?block_size) of
+ Fill0 when Fill0 < 2*?record_size ->
+ %% We need to another block here to ensure that there
+ %% are at least two zero records at the end.
+ Fill0 + ?block_size;
+ Fill0 ->
+ %% Large enough.
+ Fill0
+ end,
+ file:write(File, zeroes(Fill)).
split_filename(Name) when length(Name) =< ?th_name_len ->
{"", Name};
@@ -608,7 +621,22 @@ typeflag(Bin) ->
%% Get the name of the file from the prefix and name fields of the
%% tar header.
-get_name(Bin) ->
+get_name(Bin0) ->
+ List0 = get_name_raw(Bin0),
+ case file:native_name_encoding() of
+ utf8 ->
+ Bin = list_to_binary(List0),
+ case unicode:characters_to_list(Bin) of
+ {error,_,_} ->
+ List0;
+ List when is_list(List) ->
+ List
+ end;
+ latin1 ->
+ List0
+ end.
+
+get_name_raw(Bin) ->
Name = from_string(Bin, ?th_name, ?th_name_len),
case binary_to_list(Bin, ?th_prefix+1, ?th_prefix+1) of
[0] ->
diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl
index a266daa084..c0921e4cf1 100644
--- a/lib/stdlib/src/filelib.erl
+++ b/lib/stdlib/src/filelib.erl
@@ -488,7 +488,7 @@ badpattern(Reason) ->
error({badpattern,Reason}).
eval_read_file_info(File, file) ->
- file:read_file_info(File);
+ file:read_link_info(File);
eval_read_file_info(File, erl_prim_loader) ->
case erl_prim_loader:read_file_info(File) of
error -> {error, erl_prim_loader};
diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl
index fd6d56fa47..4ef1638e6d 100644
--- a/lib/stdlib/src/maps.erl
+++ b/lib/stdlib/src/maps.erl
@@ -23,7 +23,8 @@
fold/3,
map/2,
size/1,
- without/2
+ without/2,
+ get/3
]).
@@ -142,6 +143,21 @@ values(_) -> erlang:nif_error(undef).
%%% End of BIFs
+-spec get(Key, Map, Default) -> Value | Default when
+ Key :: term(),
+ Map :: map(),
+ Value :: term(),
+ Default :: term().
+
+get(Key, Map, Default) ->
+ case maps:find(Key, Map) of
+ {ok, Value} ->
+ Value;
+ error ->
+ Default
+ end.
+
+
-spec fold(Fun,Init,Map) -> Acc when
Fun :: fun((K, V, AccIn) -> AccOut),
Init :: term(),
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index c0ee8799c8..662a0aca74 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -577,8 +577,6 @@ obsolete_1(asn1rt, utf8_binary_to_list, 1) ->
{deprecated,{unicode,characters_to_list,1}};
obsolete_1(asn1rt, utf8_list_to_binary, 1) ->
{deprecated,{unicode,characters_to_binary,1}};
-obsolete_1(pg, _, _) ->
- {deprecated,"deprecated; will be removed in OTP 18"};
obsolete_1(_, _, _) ->
no.
diff --git a/lib/stdlib/src/pg.erl b/lib/stdlib/src/pg.erl
deleted file mode 100644
index a41fd329c2..0000000000
--- a/lib/stdlib/src/pg.erl
+++ /dev/null
@@ -1,187 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
--module(pg).
--deprecated(module).
-
-%% pg provides a process group facility. Messages
-%% can be multicasted to all members in the group
-
--export([create/1,
- create/2,
- standby/2,
- join/2,
- send/2,
- esend/2,
- members/1,
- name_to_pid/1,
- master/1]).
-
-
-%% Create a brand new empty process group with the master residing
-%% at the local node
-
--spec create(PgName) -> 'ok' | {'error', Reason} when
- PgName :: term(),
- Reason :: 'already_created' | term().
-
-create(PgName) ->
- catch begin check(PgName),
- Pid = spawn(pg,master,[PgName]),
- global:register_name(PgName,Pid),
- ok end.
-
-%% Create a brand new empty process group with the master
-%% residing at Node
-
--spec create(PgName, Node) -> 'ok' | {'error', Reason} when
- PgName :: term(),
- Node :: node(),
- Reason :: 'already_created' | term().
-
-create(PgName, Node) ->
- catch begin check(PgName),
- Pid = spawn(Node,pg,master,[PgName]),
- global:register_name(PgName,Pid),
- ok end.
-
-%% Have a process on Node that will act as a standby for the process
-%% group manager. So if the node where the manager runs fails, the
-%% process group will continue to function.
-
--spec standby(term(), node()) -> 'ok'.
-
-standby(_PgName, _Node) ->
- ok.
-
-%% Tell process group PgName that Pid is a new member of the group
-%% synchronously return a list of all old members in the group
-
--spec join(PgName, Pid) -> Members when
- PgName :: term(),
- Pid :: pid(),
- Members :: [pid()].
-
-join(PgName, Pid) when is_atom(PgName) ->
- global:send(PgName, {join,self(),Pid}),
- receive
- {_P,{members,Members}} ->
- Members
- end.
-
-%% Multi cast Mess to all members in the group
-
--spec send(PgName, Msg) -> 'ok' when
- PgName :: term(),
- Msg :: term().
-
-send(PgName, Mess) when is_atom(PgName) ->
- global:send(PgName, {send, self(), Mess}),
- ok;
-send(Pg, Mess) when is_pid(Pg) ->
- Pg ! {send,self(),Mess},
- ok.
-
-%% multi cast a message to all members in the group but ourselves
-%% If we are a member
-
--spec esend(PgName, Msg) -> 'ok' when
- PgName :: term(),
- Msg :: term().
-
-esend(PgName, Mess) when is_atom(PgName) ->
- global:send(PgName, {esend,self(),Mess}),
- ok;
-esend(Pg, Mess) when is_pid(Pg) ->
- Pg ! {esend,self(),Mess},
- ok.
-
-%% Return the members of the group
-
--spec members(PgName) -> Members when
- PgName :: term(),
- Members :: [pid()].
-
-members(PgName) when is_atom(PgName) ->
- global:send(PgName, {self() ,members}),
- receive
- {_P,{members,Members}} ->
- Members
- end;
-members(Pg) when is_pid(Pg) ->
- Pg ! {self,members},
- receive
- {_P,{members,Members}} ->
- Members
- end.
-
--spec name_to_pid(atom()) -> pid() | 'undefined'.
-
-name_to_pid(PgName) when is_atom(PgName) ->
- global:whereis_name(PgName).
-
--spec master(term()) -> no_return().
-
-master(PgName) ->
- process_flag(trap_exit, true),
- master_loop(PgName, []).
-
-master_loop(PgName,Members) ->
- receive
- {send,From,Message} ->
- send_all(Members,{pg_message,From,PgName,Message}),
- master_loop(PgName,Members);
- {esend,From,Message} ->
- send_all(lists:delete(From,Members),
- {pg_message,From,PgName,Message}),
- master_loop(PgName,Members);
- {join,From,Pid} ->
- link(Pid),
- send_all(Members,{new_member,PgName,Pid}),
- From ! {self(),{members,Members}},
- master_loop(PgName,[Pid|Members]);
- {From,members} ->
- From ! {self(),{members,Members}},
- master_loop(PgName,Members);
- {'EXIT',From,_} ->
- L =
- case lists:member(From,Members) of
- true ->
- NewMembers = lists:delete(From,Members),
- send_all(NewMembers, {crashed_member,PgName,From}),
- NewMembers;
- false ->
- Members
- end,
- master_loop(PgName,L)
- end.
-
-send_all([], _) -> ok;
-send_all([P|Ps], M) ->
- P ! M,
- send_all(Ps, M).
-
-%% Check if the process group already exists
-
-check(PgName) ->
- case global:whereis_name(PgName) of
- Pid when is_pid(Pid) ->
- throw({error,already_created});
- undefined ->
- ok
- end.
diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src
index d388410de0..42a787dacf 100644
--- a/lib/stdlib/src/stdlib.app.src
+++ b/lib/stdlib/src/stdlib.app.src
@@ -77,7 +77,6 @@
orddict,
ordsets,
otp_internal,
- pg,
pool,
proc_lib,
proplists,
diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src
index 22eefb2514..b584cbb47c 100644
--- a/lib/stdlib/src/stdlib.appup.src
+++ b/lib/stdlib/src/stdlib.appup.src
@@ -17,9 +17,7 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
- {<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R16
+ [{<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-17
%% Down to - max one major revision back
- [{<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
- {<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R16
+ [{<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-17
}.