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-rw-r--r--lib/stdlib/src/beam_lib.erl19
-rw-r--r--lib/stdlib/src/c.erl2
-rw-r--r--lib/stdlib/src/dets.erl108
-rw-r--r--lib/stdlib/src/dets.hrl3
-rw-r--r--lib/stdlib/src/dets_v8.erl16
-rw-r--r--lib/stdlib/src/dets_v9.erl118
-rw-r--r--lib/stdlib/src/epp.erl37
-rw-r--r--lib/stdlib/src/erl_eval.erl13
-rw-r--r--lib/stdlib/src/erl_internal.erl2
-rw-r--r--lib/stdlib/src/erl_lint.erl57
-rw-r--r--lib/stdlib/src/erl_parse.yrl22
-rw-r--r--lib/stdlib/src/erl_pp.erl10
-rw-r--r--lib/stdlib/src/error_logger_tty_h.erl69
-rw-r--r--lib/stdlib/src/escript.erl2
-rw-r--r--lib/stdlib/src/eval_bits.erl47
-rw-r--r--lib/stdlib/src/filename.erl25
-rw-r--r--lib/stdlib/src/gen_event.erl83
-rw-r--r--lib/stdlib/src/gen_fsm.erl47
-rw-r--r--lib/stdlib/src/gen_server.erl41
-rw-r--r--lib/stdlib/src/lib.erl46
-rw-r--r--lib/stdlib/src/lists.erl29
-rw-r--r--lib/stdlib/src/ms_transform.erl17
-rw-r--r--lib/stdlib/src/otp_internal.erl38
-rw-r--r--lib/stdlib/src/qlc.erl12
-rw-r--r--lib/stdlib/src/random.erl42
-rw-r--r--lib/stdlib/src/re.erl18
-rw-r--r--lib/stdlib/src/shell.erl2
-rw-r--r--lib/stdlib/src/supervisor.erl140
-rw-r--r--lib/stdlib/src/supervisor_bridge.erl9
-rw-r--r--lib/stdlib/src/unicode.erl12
30 files changed, 688 insertions, 398 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index fdfbb2e998..e9a5e6831e 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -224,7 +224,7 @@ version(File) ->
MD5 :: binary().
md5(File) ->
- case catch read_significant_chunks(File) of
+ case catch read_significant_chunks(File, md5_chunks()) of
{ok, {Module, Chunks0}} ->
Chunks = filter_funtab(Chunks0),
{ok, {Module, erlang:md5([C || {_Id, C} <- Chunks])}};
@@ -395,7 +395,7 @@ strip_fils(Files) ->
%% -> {ok, {Mod, FileName}} | {ok, {Mod, binary()}} | throw(Error)
strip_file(File) ->
- {ok, {Mod, Chunks}} = read_significant_chunks(File),
+ {ok, {Mod, Chunks}} = read_significant_chunks(File, significant_chunks()),
{ok, Stripped0} = build_module(Chunks),
Stripped = compress(Stripped0),
case File of
@@ -453,8 +453,8 @@ is_useless_chunk("CInf") -> true;
is_useless_chunk(_) -> false.
%% -> {ok, {Module, Chunks}} | throw(Error)
-read_significant_chunks(File) ->
- case read_chunk_data(File, significant_chunks(), [allow_missing_chunks]) of
+read_significant_chunks(File, ChunkList) ->
+ case read_chunk_data(File, ChunkList, [allow_missing_chunks]) of
{ok, {Module, Chunks0}} ->
Mandatory = mandatory_chunks(),
Chunks = filter_significant_chunks(Chunks0, Mandatory, File, Module),
@@ -835,12 +835,15 @@ file_error(FileName, {error, Reason}) ->
error(Reason) ->
throw({error, ?MODULE, Reason}).
-
-%% The following chunks are significant when calculating the MD5 for a module,
-%% and also the modules that must be retained when stripping a file.
-%% They are listed in the order that they should be MD5:ed.
+%% The following chunks must be kept when stripping a BEAM file.
significant_chunks() ->
+ ["Line" | md5_chunks()].
+
+%% The following chunks are significant when calculating the MD5
+%% for a module. They are listed in the order that they should be MD5:ed.
+
+md5_chunks() ->
["Atom", "Code", "StrT", "ImpT", "ExpT", "FunT", "LitT"].
%% The following chunks are mandatory in every Beam file.
diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl
index febfdd6285..a920921a5e 100644
--- a/lib/stdlib/src/c.erl
+++ b/lib/stdlib/src/c.erl
@@ -797,7 +797,7 @@ appcall(App, M, F, Args) ->
catch
error:undef ->
case erlang:get_stacktrace() of
- [{M,F,Args}|_] ->
+ [{M,F,Args,_}|_] ->
Arity = length(Args),
io:format("Call to ~w:~w/~w in application ~w failed.\n",
[M,F,Arity,App]);
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index fa0641ffd9..c0f9ce34b0 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -1754,17 +1754,6 @@ system_code_change(State, _Module, _OldVsn, _Extra) ->
%%% Internal functions
%%%----------------------------------------------------------------------
-constants(FH, FileName) ->
- Version = FH#fileheader.version,
- if
- Version =< 8 ->
- dets_v8:constants();
- Version =:= 9 ->
- dets_v9:constants();
- true ->
- throw({error, {not_a_dets_file, FileName}})
- end.
-
%% -> {ok, Fd, fileheader()} | throw(Error)
read_file_header(FileName, Access, RamFile) ->
BF = if
@@ -1842,7 +1831,11 @@ do_bchunk_init(Head, Tab) ->
{H2, {error, old_version}};
Parms ->
L = dets_utils:all_allocated(H2),
- C0 = #dets_cont{no_objs = default, bin = <<>>, alloc = L},
+ Bin = if
+ L =:= <<>> -> eof;
+ true -> <<>>
+ end,
+ C0 = #dets_cont{no_objs = default, bin = Bin, alloc = L},
BinParms = term_to_binary(Parms),
{H2, {C0#dets_cont{tab = Tab, proc = self(),what = bchunk},
[BinParms]}}
@@ -2475,10 +2468,23 @@ fopen2(Fname, Tab) ->
%% Fd is not always closed upon error, but exit is soon called.
{ok, Fd, FH} = read_file_header(Fname, Acc, Ram),
Mod = FH#fileheader.mod,
- case Mod:check_file_header(FH, Fd) of
- {error, not_closed} ->
- io:format(user,"dets: file ~p not properly closed, "
- "repairing ...~n", [Fname]),
+ Do = case Mod:check_file_header(FH, Fd) of
+ {ok, Head1, ExtraInfo} ->
+ Head2 = Head1#head{filename = Fname},
+ try {ok, Mod:init_freelist(Head2, ExtraInfo)}
+ catch
+ throw:_ ->
+ {repair, " has bad free lists, repairing ..."}
+ end;
+ {error, not_closed} ->
+ M = " not properly closed, repairing ...",
+ {repair, M};
+ Else ->
+ Else
+ end,
+ case Do of
+ {repair, Mess} ->
+ io:format(user, "dets: file ~p~s~n", [Fname, Mess]),
Version = default,
case fsck(Fd, Tab, Fname, FH, default, default, Version) of
ok ->
@@ -2486,9 +2492,9 @@ fopen2(Fname, Tab) ->
Error ->
throw(Error)
end;
- {ok, Head, ExtraInfo} ->
+ {ok, Head} ->
open_final(Head, Fname, Acc, Ram, ?DEFAULT_CACHE,
- Tab, ExtraInfo, false);
+ Tab, false);
{error, Reason} ->
throw({error, {Reason, Fname}})
end;
@@ -2520,12 +2526,13 @@ fopen_existing_file(Tab, OpenArgs) ->
V9 = (Version =:= 9) or (Version =:= default),
MinF = (MinSlots =:= default) or (MinSlots =:= FH#fileheader.min_no_slots),
MaxF = (MaxSlots =:= default) or (MaxSlots =:= FH#fileheader.max_no_slots),
- Do = case (FH#fileheader.mod):check_file_header(FH, Fd) of
+ Mod = (FH#fileheader.mod),
+ Wh = case Mod:check_file_header(FH, Fd) of
{ok, Head, true} when Rep =:= force, Acc =:= read_write,
FH#fileheader.version =:= 9,
FH#fileheader.no_colls =/= undefined,
MinF, MaxF, V9 ->
- {compact, Head};
+ {compact, Head, true};
{ok, _Head, _Extra} when Rep =:= force, Acc =:= read ->
throw({error, {access_mode, Fname}});
{ok, Head, need_compacting} when Acc =:= read ->
@@ -2555,6 +2562,17 @@ fopen_existing_file(Tab, OpenArgs) ->
{error, Reason} ->
throw({error, {Reason, Fname}})
end,
+ Do = case Wh of
+ {Tag, Hd, Extra} when Tag =:= final; Tag =:= compact ->
+ Hd1 = Hd#head{filename = Fname},
+ try {Tag, Mod:init_freelist(Hd1, Extra)}
+ catch
+ throw:_ ->
+ {repair, " has bad free lists, repairing ..."}
+ end;
+ Else ->
+ Else
+ end,
case Do of
_ when FH#fileheader.type =/= Type ->
throw({error, {type_mismatch, Fname}});
@@ -2563,8 +2581,7 @@ fopen_existing_file(Tab, OpenArgs) ->
{compact, SourceHead} ->
io:format(user, "dets: file ~p is now compacted ...~n", [Fname]),
{ok, NewSourceHead} = open_final(SourceHead, Fname, read, false,
- ?DEFAULT_CACHE, Tab, true,
- Debug),
+ ?DEFAULT_CACHE, Tab, Debug),
case catch compact(NewSourceHead) of
ok ->
erlang:garbage_collect(),
@@ -2584,9 +2601,9 @@ fopen_existing_file(Tab, OpenArgs) ->
Version, OpenArgs);
_ when FH#fileheader.version =/= Version, Version =/= default ->
throw({error, {version_mismatch, Fname}});
- {final, H, EI} ->
+ {final, H} ->
H1 = H#head{auto_save = Auto},
- open_final(H1, Fname, Acc, Ram, CacheSz, Tab, EI, Debug)
+ open_final(H1, Fname, Acc, Ram, CacheSz, Tab, Debug)
end.
do_repair(Fd, Tab, Fname, FH, MinSlots, MaxSlots, Version, OpenArgs) ->
@@ -2600,19 +2617,16 @@ do_repair(Fd, Tab, Fname, FH, MinSlots, MaxSlots, Version, OpenArgs) ->
end.
%% -> {ok, head()} | throw(Error)
-open_final(Head, Fname, Acc, Ram, CacheSz, Tab, ExtraInfo, Debug) ->
+open_final(Head, Fname, Acc, Ram, CacheSz, Tab, Debug) ->
Head1 = Head#head{access = Acc,
ram_file = Ram,
filename = Fname,
name = Tab,
cache = dets_utils:new_cache(CacheSz)},
init_disk_map(Head1#head.version, Tab, Debug),
- Mod = Head#head.mod,
- Mod:cache_segps(Head1#head.fptr, Fname, Head1#head.next),
- Ftab = Mod:init_freelist(Head1, ExtraInfo),
+ (Head1#head.mod):cache_segps(Head1#head.fptr, Fname, Head1#head.next),
check_growth(Head1),
- NewHead = Head1#head{freelists = Ftab},
- {ok, NewHead}.
+ {ok, Head1}.
%% -> {ok, head()} | throw(Error)
fopen_init_file(Tab, OpenArgs) ->
@@ -3139,8 +3153,12 @@ init_scan(Head, NoObjs) ->
check_safe_fixtable(Head),
FreeLists = dets_utils:get_freelists(Head),
Base = Head#head.base,
- {From, To} = dets_utils:find_next_allocated(FreeLists, Base, Base),
- #dets_cont{no_objs = NoObjs, bin = <<>>, alloc = {From, To, <<>>}}.
+ case dets_utils:find_next_allocated(FreeLists, Base, Base) of
+ {From, To} ->
+ #dets_cont{no_objs = NoObjs, bin = <<>>, alloc = {From,To,<<>>}};
+ none ->
+ #dets_cont{no_objs = NoObjs, bin = eof, alloc = <<>>}
+ end.
check_safe_fixtable(Head) ->
case (Head#head.fixed =:= false) andalso
@@ -3241,18 +3259,20 @@ view(FileName) ->
case catch read_file_header(FileName, read, false) of
{ok, Fd, FH} ->
Mod = FH#fileheader.mod,
- case Mod:check_file_header(FH, Fd) of
- {ok, H0, ExtraInfo} ->
- Ftab = Mod:init_freelist(H0, ExtraInfo),
- {_Bump, Base} = constants(FH, FileName),
- H = H0#head{freelists=Ftab, base = Base},
- v_free_list(H),
- Mod:v_segments(H),
- file:close(Fd);
- X ->
- file:close(Fd),
- X
- end;
+ try Mod:check_file_header(FH, Fd) of
+ {ok, H0, ExtraInfo} ->
+ Mod = FH#fileheader.mod,
+ case Mod:check_file_header(FH, Fd) of
+ {ok, H0, ExtraInfo} ->
+ H = Mod:init_freelist(H0, ExtraInfo),
+ v_free_list(H),
+ Mod:v_segments(H),
+ ok;
+ X ->
+ X
+ end
+ after file:close(Fd)
+ end;
X ->
X
end.
diff --git a/lib/stdlib/src/dets.hrl b/lib/stdlib/src/dets.hrl
index fbffc9d008..a3f99357a2 100644
--- a/lib/stdlib/src/dets.hrl
+++ b/lib/stdlib/src/dets.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2011. 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
@@ -92,6 +92,7 @@
%% Info extracted from the file header.
-record(fileheader, {
freelist,
+ fl_base,
cookie,
closed_properly,
type,
diff --git a/lib/stdlib/src/dets_v8.erl b/lib/stdlib/src/dets_v8.erl
index cdd38d5604..3e962a1c8b 100644
--- a/lib/stdlib/src/dets_v8.erl
+++ b/lib/stdlib/src/dets_v8.erl
@@ -21,7 +21,7 @@
%% Dets files, implementation part. This module handles versions up to
%% and including 8(c). To be called from dets.erl only.
--export([constants/0, mark_dirty/1, read_file_header/2,
+-export([mark_dirty/1, read_file_header/2,
check_file_header/2, do_perform_save/1, initiate_file/11,
init_freelist/2, fsck_input/4,
bulk_input/3, output_objs/4, write_cache/1, may_grow/3,
@@ -196,10 +196,6 @@
%%-define(DEBUGF(X,Y), io:format(X, Y)).
-define(DEBUGF(X,Y), void).
-%% {Bump}
-constants() ->
- {?BUMP, ?BASE}.
-
%% -> ok | throw({NewHead,Error})
mark_dirty(Head) ->
Dirty = [{?CLOSED_PROPERLY_POS, <<?NOT_PROPERLY_CLOSED:32>>}],
@@ -308,8 +304,9 @@ init_freelist(Head, {convert_freelist,_Version}) ->
Pos = Head#head.freelists_p,
case catch prterm(Head, Pos, ?OHDSZ) of
{0, _Sz, Term} ->
- FreeList = lists:reverse(Term),
- dets_utils:init_slots_from_old_file(FreeList, Ftab);
+ FreeList1 = lists:reverse(Term),
+ FreeList = dets_utils:init_slots_from_old_file(FreeList1, Ftab),
+ Head#head{freelists = FreeList, base = ?BASE};
_ ->
throw({error, {bad_freelists, Head#head.filename}})
end;
@@ -318,7 +315,7 @@ init_freelist(Head, _) ->
Pos = Head#head.freelists_p,
case catch prterm(Head, Pos, ?OHDSZ) of
{0, _Sz, Term} ->
- Term;
+ Head#head{freelists = Term, base = ?BASE};
_ ->
throw({error, {bad_freelists, Head#head.filename}})
end.
@@ -331,6 +328,7 @@ read_file_header(Fd, FileName) ->
{ok, EOF} = dets_utils:position_close(Fd, FileName, eof),
{ok, <<FileSize:32>>} = dets_utils:pread_close(Fd, FileName, EOF-4, 4),
FH = #fileheader{freelist = Freelist,
+ fl_base = ?BASE,
cookie = Cookie,
closed_properly = CP,
type = dets_utils:code_to_type(Type2),
@@ -413,7 +411,7 @@ check_file_header(FH, Fd) ->
version = ?FILE_FORMAT_VERSION,
mod = ?MODULE,
bump = ?BUMP,
- base = ?BASE},
+ base = FH#fileheader.fl_base},
{ok, H, ExtraInfo};
Error ->
Error
diff --git a/lib/stdlib/src/dets_v9.erl b/lib/stdlib/src/dets_v9.erl
index 132af01f79..f577b4410f 100644
--- a/lib/stdlib/src/dets_v9.erl
+++ b/lib/stdlib/src/dets_v9.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2011. 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
@@ -21,7 +21,7 @@
%% Dets files, implementation part. This module handles version 9.
%% To be called from dets.erl only.
--export([constants/0, mark_dirty/1, read_file_header/2,
+-export([mark_dirty/1, read_file_header/2,
check_file_header/2, do_perform_save/1, initiate_file/11,
prep_table_copy/9, init_freelist/2, fsck_input/4,
bulk_input/3, output_objs/4, bchunk_init/2,
@@ -70,6 +70,17 @@
%% 16 MD5-sum for the 44 plus 112 bytes before the MD5-sum.
%% (FreelistsPointer, Cookie and ClosedProperly are not digested.)
%% 128 Reserved for future versions. Initially zeros.
+%% Version 9(d), introduced in R15A, has instead:
+%% 112 28 counters for the buddy system sizes (as for 9(b)).
+%% 16 MD5-sum for the 44 plus 112 bytes before the MD5-sum.
+%% (FreelistsPointer, Cookie and ClosedProperly are not digested.)
+%% 4 Base of the buddy system.
+%% 0 (zero) if the base is equal to ?BASE. Compatible with R14B.
+%% File size at the end of the file is RealFileSize - Base.
+%% The reason for modifying file size is that when a file created
+%% by R15 is read by R14 a repair takes place immediately, which
+%% is acceptable when downgrading.
+%% 124 Reserved for future versions. Initially zeros.
%% ---
%% ------------------ end of file header
%% 4*256 SegmentArray Pointers.
@@ -86,7 +97,7 @@
%% -----------------------------
%% ??? Free lists
%% -----------------------------
-%% 4 File size, in bytes.
+%% 4 File size, in bytes. See 9(d) obove.
%% Before we can find an object we must find the slot where the
%% object resides. Each slot is a (possibly empty) list (or chain) of
@@ -177,14 +188,14 @@
%%% File header
%%%
--define(RESERVED, 128). % Reserved for future use.
+-define(RESERVED, 124). % Reserved for future use.
-define(COLL_CNTRS, (28*4)). % Counters for the buddy system.
-define(MD5SZ, 16).
+-define(FL_BASE, 4).
--define(HEADSZ,
- 56+?COLL_CNTRS+?MD5SZ). % The size of the file header, in bytes,
- % not including the reserved part.
+-define(HEADSZ, 56+?COLL_CNTRS % The size of the file header, in bytes,
+ +?MD5SZ+?FL_BASE). % not including the reserved part.
-define(HEADEND, (?HEADSZ+?RESERVED)).
% End of header and reserved area.
-define(SEGSZ, 512). % Size of a segment, in words. SZOBJP*SEGSZP.
@@ -270,10 +281,6 @@
%%-define(DEBUGF(X,Y), io:format(X, Y)).
-define(DEBUGF(X,Y), void).
-%% {Bump}
-constants() ->
- {?BUMP, ?BASE}.
-
%% -> ok | throw({NewHead,Error})
mark_dirty(Head) ->
Dirty = [{?CLOSED_PROPERLY_POS, <<?NOT_PROPERLY_CLOSED:32>>}],
@@ -356,7 +363,7 @@ init_file(Fd, Tab, Fname, Type, Kp, MinSlots, MaxSlots, Ram, CacheSz,
cache = dets_utils:new_cache(CacheSz),
version = ?FILE_FORMAT_VERSION,
bump = ?BUMP,
- base = ?BASE,
+ base = ?BASE, % to be overwritten
mod = ?MODULE
},
@@ -378,13 +385,20 @@ init_file(Fd, Tab, Fname, Type, Kp, MinSlots, MaxSlots, Ram, CacheSz,
{Head1, Ws1} = init_parts(Head0, 0, no_parts(Next), Zero, []),
NoSegs = no_segs(Next),
- {Head, WsI, WsP} = init_segments(Head1, 0, NoSegs, Zero, [], []),
+ {Head2, WsI, WsP} = init_segments(Head1, 0, NoSegs, Zero, [], []),
Ws2 = if
DoInitSegments -> WsP ++ WsI;
true -> WsP
end,
dets_utils:pwrite(Fd, Fname, [W0 | lists:append(Ws1) ++ Ws2]),
- true = hash_invars(Head),
+ true = hash_invars(Head2),
+ %% The allocations that have been made so far (parts, segments)
+ %% are permanent; the table will never shrink. Therefore the base
+ %% of the Buddy system can be set to the first free object.
+ %% This is used in allocate_all(), see below.
+ {_, Where, _} = dets_utils:alloc(Head2, ?BUMP),
+ NewFtab = dets_utils:init_alloc(Where),
+ Head = Head2#head{freelists = NewFtab, base = Where},
{ok, Head}.
%% Returns a power of two not less than 256.
@@ -451,8 +465,9 @@ read_file_header(Fd, FileName) ->
Version:32, M:32, Next:32, Kp:32,
NoObjects:32, NoKeys:32, MinNoSlots:32, MaxNoSlots:32,
HashMethod:32, N:32, NoCollsB:?COLL_CNTRS/binary,
- MD5:?MD5SZ/binary>> = Bin,
- <<_:12/binary,MD5DigestedPart:(?HEADSZ-?MD5SZ-12)/binary,_/binary>> = Bin,
+ MD5:?MD5SZ/binary, FlBase:32>> = Bin,
+ <<_:12/binary,MD5DigestedPart:(?HEADSZ-?MD5SZ-?FL_BASE-12)/binary,
+ _/binary>> = Bin,
{ok, EOF} = dets_utils:position_close(Fd, FileName, eof),
{ok, <<FileSize:32>>} = dets_utils:pread_close(Fd, FileName, EOF-4, 4),
{CL, <<>>} = lists:foldl(fun(LSz, {Acc,<<NN:32,R/binary>>}) ->
@@ -468,8 +483,12 @@ read_file_header(Fd, FileName) ->
true ->
lists:reverse(CL)
end,
-
+ Base = case FlBase of
+ 0 -> ?BASE;
+ _ -> FlBase
+ end,
FH = #fileheader{freelist = FreeList,
+ fl_base = Base,
cookie = Cookie,
closed_properly = CP,
type = dets_utils:code_to_type(Type2),
@@ -486,7 +505,7 @@ read_file_header(Fd, FileName) ->
read_md5 = MD5,
has_md5 = <<0:?MD5SZ/unit:8>> =/= MD5,
md5 = erlang:md5(MD5DigestedPart),
- trailer = FileSize,
+ trailer = FileSize + FlBase,
eof = EOF,
n = N,
mod = ?MODULE},
@@ -544,7 +563,7 @@ check_file_header(FH, Fd) ->
version = ?FILE_FORMAT_VERSION,
mod = ?MODULE,
bump = ?BUMP,
- base = ?BASE},
+ base = FH#fileheader.fl_base},
{ok, H, ExtraInfo};
Error ->
Error
@@ -1185,41 +1204,25 @@ write_loop(Head, BytesToWrite, Bin) ->
write_loop(Head, BytesToWrite, SmallBin).
%% By allocating bigger objects before smaller ones, holes in the
-%% buddy system memory map are avoided. Unfortunately, the segments
-%% are always allocated first, so if there are objects bigger than a
-%% segment, there is a hole to handle. (Haven't considered placing the
-%% segments among other objects of the same size.)
+%% buddy system memory map are avoided.
allocate_all_objects(Head, SizeT) ->
DTL = lists:reverse(lists:keysort(1, ets:tab2list(SizeT))),
MaxSz = element(1, hd(DTL)),
- SegSize = ?ACTUAL_SEG_SIZE,
- {Head1, HSz, HN, HA} = alloc_hole(MaxSz, Head, SegSize),
- {Head2, NL} = allocate_all(Head1, DTL, []),
+ {Head1, NL} = allocate_all(Head, DTL, []),
%% Find the position that will be the end of the file by allocating
%% a minimal object.
- {_Head, EndOfFile, _} = dets_utils:alloc(Head2, ?BUMP),
- Head3 = free_hole(Head2, HSz, HN, HA),
- NewHead = Head3#head{maxobjsize = max_objsize(Head3#head.no_collections)},
+ {_Head, EndOfFile, _} = dets_utils:alloc(Head1, ?BUMP),
+ NewHead = Head1#head{maxobjsize = max_objsize(Head1#head.no_collections)},
{NewHead, NL, MaxSz, EndOfFile}.
-alloc_hole(LSize, Head, SegSz) when ?POW(LSize-1) > SegSz ->
- Size = ?POW(LSize-1),
- {_, SegAddr, _} = dets_utils:alloc(Head, adjsz(SegSz)),
- {_, Addr, _} = dets_utils:alloc(Head, adjsz(Size)),
- N = (Addr - SegAddr) div SegSz,
- Head1 = dets_utils:alloc_many(Head, SegSz, N, SegAddr),
- {Head1, SegSz, N, SegAddr};
-alloc_hole(_MaxSz, Head, _SegSz) ->
- {Head, 0, 0, 0}.
-
-free_hole(Head, _Size, 0, _Addr) ->
- Head;
-free_hole(Head, Size, N, Addr) ->
- {Head1, _} = dets_utils:free(Head, Addr, adjsz(Size)),
- free_hole(Head1, Size, N-1, Addr+Size).
-
%% One (temporary) file for each buddy size, write all objects of that
%% size to the file.
+%%
+%% Before R15 a "hole" was needed before the first bucket if the size
+%% of the biggest bucket was greater than the size of a segment. The
+%% hole proved to be a problem with almost full tables with huge
+%% buckets. Since R15 the hole is no longer needed due to the fact
+%% that the base of the Buddy system is flexible.
allocate_all(Head, [{?FSCK_SEGMENT,_,Data,_}], L) ->
%% And one file for the segments...
%% Note that space for the array parts and the segments has
@@ -1593,23 +1596,28 @@ do_perform_save(H) ->
H1 = H#head{freelists_p = FreeListsPointer},
{FLW, FLSize} = free_lists_to_file(H1),
FileSize = FreeListsPointer + FLSize + 4,
- ok = dets_utils:write(H1, [FLW | <<FileSize:32>>]),
+ AdjustedFileSize = case H#head.base of
+ ?BASE -> FileSize;
+ Base -> FileSize - Base
+ end,
+ ok = dets_utils:write(H1, [FLW | <<AdjustedFileSize:32>>]),
FileHeader = file_header(H1, FreeListsPointer, ?CLOSED_PROPERLY),
case dets_utils:debug_mode() of
true ->
- TmpHead = H1#head{freelists = init_freelist(H1, true),
- fixed = false},
+ TmpHead0 = init_freelist(H1#head{fixed = false}, true),
+ TmpHead = TmpHead0#head{base = H1#head.base},
case
catch dets_utils:all_allocated_as_list(TmpHead)
=:= dets_utils:all_allocated_as_list(H1)
- of
+ of
true ->
dets_utils:pwrite(H1, [{0, FileHeader}]);
_ ->
+ throw(
dets_utils:corrupt_reason(H1, {failed_to_save_free_lists,
FreeListsPointer,
TmpHead#head.freelists,
- H1#head.freelists})
+ H1#head.freelists}))
end;
false ->
dets_utils:pwrite(H1, [{0, FileHeader}])
@@ -1648,7 +1656,11 @@ file_header(Head, FreeListsPointer, ClosedProperly, NoColls) ->
true -> erlang:md5(DigH);
false -> <<0:?MD5SZ/unit:8>>
end,
- [H1, DigH, MD5 | <<0:?RESERVED/unit:8>>].
+ Base = case Head#head.base of
+ ?BASE -> <<0:32>>;
+ FlBase -> <<FlBase:32>>
+ end,
+ [H1, DigH, MD5, Base | <<0:?RESERVED/unit:8>>].
%% Going through some trouble to avoid creating one single binary for
%% the free lists. If the free lists are huge, binary_to_term and
@@ -1695,8 +1707,8 @@ free_lists_from_file(H, Pos) ->
case catch bin_to_tree([], H, start, FL, -1, []) of
{'EXIT', _} ->
throw({error, {bad_freelists, H#head.filename}});
- Reply ->
- Reply
+ Ftab ->
+ H#head{freelists = Ftab, base = ?BASE}
end.
bin_to_tree(Bin, H, LastPos, Ftab, A0, L) ->
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index d804c1dee5..ccc14610d7 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -267,8 +267,10 @@ init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) ->
case user_predef(Pdm, Ms0) of
{ok,Ms1} ->
epp_reply(Pid, {ok,self()}),
+ %% ensure directory of current source file is first in path
+ Path1 = [filename:dirname(Name) | Path],
St = #epp{file=File, location=AtLocation, delta=0, name=Name,
- name2=Name, path=Path, macs=Ms1, pre_opened = Pre},
+ name2=Name, path=Path1, macs=Ms1, pre_opened = Pre},
From = wait_request(St),
enter_file_reply(From, Name, AtLocation, AtLocation),
wait_req_scan(St);
@@ -360,18 +362,18 @@ wait_req_skip(St, Sis) ->
From = wait_request(St),
skip_toks(From, St, Sis).
-%% enter_file(Path, FileName, IncludeToken, From, EppState)
+%% enter_file(FileName, IncludeToken, From, EppState)
%% leave_file(From, EppState)
%% Handle entering and leaving included files. Notify caller when the
%% current file is changed. Note it is an error to exit a file if we are
%% in a conditional. These functions never return.
-enter_file(_Path, _NewName, Inc, From, St)
+enter_file(_NewName, Inc, From, St)
when length(St#epp.sstk) >= 8 ->
epp_reply(From, {error,{abs_loc(Inc),epp,{depth,"include"}}}),
wait_req_scan(St);
-enter_file(Path, NewName, Inc, From, St) ->
- case file:path_open(Path, NewName, [read]) of
+enter_file(NewName, Inc, From, St) ->
+ case file:path_open(St#epp.path, NewName, [read]) of
{ok,NewF,Pname} ->
Loc = start_loc(St#epp.location),
wait_req_scan(enter_file2(NewF, Pname, From, St, Loc));
@@ -384,13 +386,16 @@ enter_file(Path, NewName, Inc, From, St) ->
%% Set epp to use this file and "enter" it.
enter_file2(NewF, Pname, From, St, AtLocation) ->
- enter_file2(NewF, Pname, From, St, AtLocation, []).
-
-enter_file2(NewF, Pname, From, St, AtLocation, ExtraPath) ->
Loc = start_loc(AtLocation),
enter_file_reply(From, Pname, Loc, AtLocation),
Ms = dict:store({atom,'FILE'}, {none,[{string,Loc,Pname}]}, St#epp.macs),
- Path = St#epp.path ++ ExtraPath,
+ %% update the head of the include path to be the directory of the new
+ %% source file, so that an included file can always include other files
+ %% relative to its current location (this is also how C does it); note
+ %% that the directory of the parent source file (the previous head of
+ %% the path) must be dropped, otherwise the path used within the current
+ %% file will depend on the order of file inclusions in the parent files
+ Path = [filename:dirname(Pname) | tl(St#epp.path)],
#epp{file=NewF,location=Loc,name=Pname,delta=0,
sstk=[St|St#epp.sstk],path=Path,macs=Ms}.
@@ -655,7 +660,7 @@ scan_undef(_Toks, Undef, From, St) ->
scan_include([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc,
From, St) ->
NewName = expand_var(NewName0),
- enter_file(St#epp.path, NewName, Inc, From, St);
+ enter_file(NewName, Inc, From, St);
scan_include(_Toks, Inc, From, St) ->
epp_reply(From, {error,{abs_loc(Inc),epp,{bad,include}}}),
wait_req_scan(St).
@@ -684,12 +689,11 @@ scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}],
{error,_E1} ->
case catch find_lib_dir(NewName) of
{LibDir, Rest} when is_list(LibDir) ->
- LibName = filename:join([LibDir | Rest]),
+ LibName = fname_join([LibDir | Rest]),
case file:open(LibName, [read]) of
{ok,NewF} ->
- ExtraPath = [filename:dirname(LibName)],
wait_req_scan(enter_file2(NewF, LibName, From,
- St, Loc, ExtraPath));
+ St, Loc));
{error,_E2} ->
epp_reply(From,
{error,{abs_loc(Inc),epp,
@@ -1154,7 +1158,12 @@ expand_var1(NewName) ->
[[$$ | Var] | Rest] = filename:split(NewName),
Value = os:getenv(Var),
true = Value =/= false,
- {ok, filename:join([Value | Rest])}.
+ {ok, fname_join([Value | Rest])}.
+
+fname_join(["." | [_|_]=Rest]) ->
+ fname_join(Rest);
+fname_join(Components) ->
+ filename:join(Components).
%% The line only. (Other tokens may have the column and text as well...)
loc_attr(Line) when is_integer(Line) ->
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 515ea2ebb7..88a0094d57 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -256,7 +256,8 @@ expr({'receive',_,Cs}, Bs, Lf, Ef, RBs) ->
expr({'receive',_, Cs, E, TB}, Bs0, Lf, Ef, RBs) ->
{value,T,Bs} = expr(E, Bs0, Lf, Ef, none),
receive_clauses(T, Cs, {TB,Bs}, Bs0, Lf, Ef, [], RBs);
-expr({'fun',_Line,{function,Mod,Name,Arity}}, Bs, _Lf, _Ef, RBs) ->
+expr({'fun',_Line,{function,Mod0,Name0,Arity0}}, Bs0, Lf, Ef, RBs) ->
+ {[Mod,Name,Arity],Bs} = expr_list([Mod0,Name0,Arity0], Bs0, Lf, Ef),
F = erlang:make_fun(Mod, Name, Arity),
ret_expr(F, Bs, RBs);
expr({'fun',_Line,{function,Name,Arity}}, _Bs0, _Lf, _Ef, _RBs) -> % R8
@@ -621,7 +622,7 @@ eval_generate(Term, _P, _Bs0, _Lf, _Ef, _CompFun, _Acc) ->
erlang:raise(error, {bad_generator,Term}, stacktrace()).
eval_b_generate(<<_/bitstring>>=Bin, P, Bs0, Lf, Ef, CompFun, Acc) ->
- Mfun = fun(L, R, Bs) -> match1(L, R, Bs, Bs0) end,
+ Mfun = match_fun(Bs0),
Efun = fun(Exp, Bs) -> expr(Exp, Bs, Lf, Ef, none) end,
case eval_bits:bin_gen(P, Bin, new_bindings(), Bs0, Mfun, Efun) of
{match, Rest, Bs1} ->
@@ -1024,7 +1025,7 @@ match1({tuple,_,_}, _, _Bs, _BBs) ->
throw(nomatch);
match1({bin, _, Fs}, <<_/bitstring>>=B, Bs0, BBs) ->
eval_bits:match_bits(Fs, B, Bs0, BBs,
- fun(L, R, Bs) -> match1(L, R, Bs, BBs) end,
+ match_fun(BBs),
fun(E, Bs) -> expr(E, Bs, none, none, none) end);
match1({bin,_,_}, _, _Bs, _BBs) ->
throw(nomatch);
@@ -1053,6 +1054,12 @@ match1({op,Line,Op,L,R}, Term, Bs, BBs) ->
match1(_, _, _Bs, _BBs) ->
throw(invalid).
+match_fun(BBs) ->
+ fun(match, {L,R,Bs}) -> match1(L, R, Bs, BBs);
+ (binding, {Name,Bs}) -> binding(Name, Bs);
+ (add_binding, {Name,Val,Bs}) -> add_binding(Name, Val, Bs)
+ end.
+
match_tuple([E|Es], Tuple, I, Bs0, BBs) ->
{match,Bs} = match1(E, element(I, Tuple), Bs0, BBs),
match_tuple(Es, Tuple, I+1, Bs, BBs);
diff --git a/lib/stdlib/src/erl_internal.erl b/lib/stdlib/src/erl_internal.erl
index 3073fc0fb5..cd3b531d10 100644
--- a/lib/stdlib/src/erl_internal.erl
+++ b/lib/stdlib/src/erl_internal.erl
@@ -264,7 +264,6 @@ bif(bitstring_to_list, 1) -> true;
bif(byte_size, 1) -> true;
bif(check_old_code, 1) -> true;
bif(check_process_code, 2) -> true;
-bif(concat_binary, 1) -> true;
bif(date, 0) -> true;
bif(delete_module, 1) -> true;
bif(demonitor, 1) -> true;
@@ -406,7 +405,6 @@ old_bif(bit_size, 1) -> true;
old_bif(bitstring_to_list, 1) -> true;
old_bif(byte_size, 1) -> true;
old_bif(check_process_code, 2) -> true;
-old_bif(concat_binary, 1) -> true;
old_bif(date, 0) -> true;
old_bif(delete_module, 1) -> true;
old_bif(disconnect_node, 1) -> true;
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index dd0b9bc2ab..5d45260fe9 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -123,6 +123,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
called= [] :: [{fa(),line()}], %Called functions
usage = #usage{} :: #usage{},
specs = dict:new() :: dict(), %Type specifications
+ callbacks = dict:new() :: dict(), %Callback types
types = dict:new() :: dict(), %Type definitions
exp_types=gb_sets:empty():: gb_set() %Exported types
}).
@@ -310,8 +311,6 @@ format_error({conflicting_behaviours,{Name,Arity},B,FirstL,FirstB}) ->
format_error({undefined_behaviour_func, {Func,Arity}, Behaviour}) ->
io_lib:format("undefined callback function ~w/~w (behaviour '~w')",
[Func,Arity,Behaviour]);
-format_error({undefined_behaviour_func, {Func,Arity,_Spec}, Behaviour}) ->
- format_error({undefined_behaviour_func, {Func,Arity}, Behaviour});
format_error({undefined_behaviour,Behaviour}) ->
io_lib:format("behaviour ~w undefined", [Behaviour]);
format_error({undefined_behaviour_callbacks,Behaviour}) ->
@@ -320,6 +319,9 @@ format_error({undefined_behaviour_callbacks,Behaviour}) ->
format_error({ill_defined_behaviour_callbacks,Behaviour}) ->
io_lib:format("behaviour ~w callback functions erroneously defined",
[Behaviour]);
+format_error({behaviour_info, {_M,F,A}}) ->
+ io_lib:format("cannot define callback attibute for ~w/~w when "
+ "behaviour_info is defined",[F,A]);
%% --- types and specs ---
format_error({singleton_typevar, Name}) ->
io_lib:format("type variable ~w is only used once (is unbound)", [Name]);
@@ -348,12 +350,16 @@ format_error({type_syntax, Constr}) ->
io_lib:format("bad ~w type", [Constr]);
format_error({redefine_spec, {M, F, A}}) ->
io_lib:format("spec for ~w:~w/~w already defined", [M, F, A]);
+format_error({redefine_callback, {M, F, A}}) ->
+ io_lib:format("callback ~w:~w/~w already defined", [M, F, A]);
format_error({spec_fun_undefined, {M, F, A}}) ->
io_lib:format("spec for undefined function ~w:~w/~w", [M, F, A]);
format_error({missing_spec, {F,A}}) ->
io_lib:format("missing specification for function ~w/~w", [F, A]);
format_error(spec_wrong_arity) ->
"spec has the wrong arity";
+format_error(callback_wrong_arity) ->
+ "callback has the wrong arity";
format_error({imported_predefined_type, Name}) ->
io_lib:format("referring to built-in type ~w as a remote type; "
"please take out the module name", [Name]);
@@ -747,6 +753,8 @@ attribute_state({attribute,L,opaque,{TypeName,TypeDef,Args}}, St) ->
type_def(opaque, L, TypeName, TypeDef, Args, St);
attribute_state({attribute,L,spec,{Fun,Types}}, St) ->
spec_decl(L, Fun, Types, St);
+attribute_state({attribute,L,callback,{Fun,Types}}, St) ->
+ callback_decl(L, Fun, Types, St);
attribute_state({attribute,L,on_load,Val}, St) ->
on_load(L, Val, St);
attribute_state({attribute,_L,_Other,_Val}, St) -> % Ignore others
@@ -840,7 +848,8 @@ post_traversal_check(Forms, St0) ->
StB = check_unused_types(Forms, StA),
StC = check_untyped_records(Forms, StB),
StD = check_on_load(StC),
- check_unused_records(Forms, StD).
+ StE = check_unused_records(Forms, StD),
+ check_callback_information(StE).
%% check_behaviour(State0) -> State
%% Check that the behaviour attribute is valid.
@@ -1139,6 +1148,23 @@ check_unused_records(Forms, St0) ->
St0
end.
+check_callback_information(#lint{callbacks = Callbacks,
+ defined = Defined} = State) ->
+ case gb_sets:is_member({behaviour_info,1}, Defined) of
+ false -> State;
+ true ->
+ case dict:size(Callbacks) of
+ 0 -> State;
+ _ ->
+ CallbacksList = dict:to_list(Callbacks),
+ FoldL =
+ fun({Fa,Line},St) ->
+ add_error(Line, {behaviour_info, Fa}, St)
+ end,
+ lists:foldl(FoldL, State, CallbacksList)
+ end
+ end.
+
%% For storing the import list we use the orddict module.
%% We know an empty set is [].
@@ -2101,8 +2127,13 @@ expr({'fun',Line,Body}, Vt, St) ->
true -> {[],St};
false -> {[],call_function(Line, F, A, St)}
end;
- {function,_M,_F,_A} ->
- {[],St}
+ {function,M,F,A} when is_atom(M), is_atom(F), is_integer(A) ->
+ %% Compatibility with pre-R15 abstract format.
+ {[],St};
+ {function,M,F,A} ->
+ %% New in R15.
+ {Bvt, St1} = expr_list([M,F,A], Vt, St),
+ {vtupdate(Bvt, Vt),St1}
end;
expr({call,_Line,{atom,_Lr,is_record},[E,{atom,Ln,Name}]}, Vt, St0) ->
{Rvt,St1} = expr(E, Vt, St0),
@@ -2770,6 +2801,20 @@ spec_decl(Line, MFA0, TypeSpecs, St0 = #lint{specs = Specs, module = Mod}) ->
false -> check_specs(TypeSpecs, Arity, St1)
end.
+%% callback_decl(Line, Fun, Types, State) -> State.
+
+callback_decl(Line, MFA0, TypeSpecs,
+ St0 = #lint{callbacks = Callbacks, module = Mod}) ->
+ MFA = case MFA0 of
+ {F, Arity} -> {Mod, F, Arity};
+ {_M, _F, Arity} -> MFA0
+ end,
+ St1 = St0#lint{callbacks = dict:store(MFA, Line, Callbacks)},
+ case dict:is_key(MFA, Callbacks) of
+ true -> add_error(Line, {redefine_callback, MFA}, St1);
+ false -> check_specs(TypeSpecs, Arity, St1)
+ end.
+
check_specs([FunType|Left], Arity, St0) ->
{FunType1, CTypes} =
case FunType of
@@ -3275,6 +3320,8 @@ modify_line1({attribute,L,record,{Name,Fields}}, Mf) ->
{attribute,Mf(L),record,{Name,modify_line1(Fields, Mf)}};
modify_line1({attribute,L,spec,{Fun,Types}}, Mf) ->
{attribute,Mf(L),spec,{Fun,modify_line1(Types, Mf)}};
+modify_line1({attribute,L,callback,{Fun,Types}}, Mf) ->
+ {attribute,Mf(L),callback,{Fun,modify_line1(Types, Mf)}};
modify_line1({attribute,L,type,{TypeName,TypeDef,Args}}, Mf) ->
{attribute,Mf(L),type,{TypeName,modify_line1(TypeDef, Mf),
modify_line1(Args, Mf)}};
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index bd5d65a1e1..928c10f7f2 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -35,7 +35,7 @@ tuple
%struct
record_expr record_tuple record_field record_fields
if_expr if_clause if_clauses case_expr cr_clause cr_clauses receive_expr
-fun_expr fun_clause fun_clauses
+fun_expr fun_clause fun_clauses atom_or_var integer_or_var
try_expr try_catch try_clause try_clauses query_expr
function_call argument_list
exprs guard
@@ -62,7 +62,7 @@ char integer float atom string var
'==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<='
'<<' '>>'
'!' '=' '::' '..' '...'
-'spec' % helper
+'spec' 'callback' % helper
dot.
Expect 2.
@@ -77,6 +77,7 @@ attribute -> '-' atom attr_val : build_attribute('$2', '$3').
attribute -> '-' atom typed_attr_val : build_typed_attribute('$2','$3').
attribute -> '-' atom '(' typed_attr_val ')' : build_typed_attribute('$2','$4').
attribute -> '-' 'spec' type_spec : build_type_spec('$2', '$3').
+attribute -> '-' 'callback' type_spec : build_type_spec('$2', '$3').
type_spec -> spec_fun type_sigs : {'$1', '$2'}.
type_spec -> '(' spec_fun type_sigs ')' : {'$2', '$3'}.
@@ -394,11 +395,17 @@ receive_expr -> 'receive' cr_clauses 'after' expr clause_body 'end' :
fun_expr -> 'fun' atom '/' integer :
{'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4')}}.
-fun_expr -> 'fun' atom ':' atom '/' integer :
- {'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4'),element(3,'$6')}}.
+fun_expr -> 'fun' atom_or_var ':' atom_or_var '/' integer_or_var :
+ {'fun',?line('$1'),{function,'$2','$4','$6'}}.
fun_expr -> 'fun' fun_clauses 'end' :
build_fun(?line('$1'), '$2').
+atom_or_var -> atom : '$1'.
+atom_or_var -> var : '$1'.
+
+integer_or_var -> integer : '$1'.
+integer_or_var -> var : '$1'.
+
fun_clauses -> fun_clause : ['$1'].
fun_clauses -> fun_clause ';' fun_clauses : ['$1' | '$3'].
@@ -549,6 +556,8 @@ Erlang code.
ErrorInfo :: error_info().
parse_form([{'-',L1},{atom,L2,spec}|Tokens]) ->
parse([{'-',L1},{'spec',L2}|Tokens]);
+parse_form([{'-',L1},{atom,L2,callback}|Tokens]) ->
+ parse([{'-',L1},{'callback',L2}|Tokens]);
parse_form(Tokens) ->
parse(Tokens).
@@ -603,7 +612,8 @@ build_typed_attribute({atom,La,Attr},_) ->
_ -> ret_err(La, "bad attribute")
end.
-build_type_spec({spec,La}, {SpecFun, TypeSpecs}) ->
+build_type_spec({Kind,La}, {SpecFun, TypeSpecs})
+ when (Kind =:= spec) or (Kind =:= callback) ->
NewSpecFun =
case SpecFun of
{atom, _, Fun} ->
@@ -617,7 +627,7 @@ build_type_spec({spec,La}, {SpecFun, TypeSpecs}) ->
%% Old style spec. Allow this for now.
{Mod,Fun,Arity}
end,
- {attribute,La,spec,{NewSpecFun, TypeSpecs}}.
+ {attribute,La,Kind,{NewSpecFun, TypeSpecs}}.
find_arity_from_specs([Spec|_]) ->
%% Use the first spec to find the arity. If all are not the same,
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 7dc19f2e9b..6b5aa951cf 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -457,8 +457,16 @@ lexpr({'fun',_,{function,F,A}}, _Prec, _Hook) ->
leaf(format("fun ~w/~w", [F,A]));
lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Hook) ->
{force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))};
-lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) ->
+lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook)
+ when is_atom(M), is_atom(F), is_integer(A) ->
+ %% For backward compatibility with pre-R15 abstract format.
leaf(format("fun ~w:~w/~w", [M,F,A]));
+lexpr({'fun',_,{function,M,F,A}}, _Prec, Hook) ->
+ %% New format in R15.
+ NameItem = lexpr(M, Hook),
+ CallItem = lexpr(F, Hook),
+ ArityItem = lexpr(A, Hook),
+ ["fun ",NameItem,$:,CallItem,$/,ArityItem];
lexpr({'fun',_,{clauses,Cs}}, _Prec, Hook) ->
{list,[{first,'fun',fun_clauses(Cs, Hook)},'end']};
lexpr({'fun',_,{clauses,Cs},Extra}, _Prec, Hook) ->
diff --git a/lib/stdlib/src/error_logger_tty_h.erl b/lib/stdlib/src/error_logger_tty_h.erl
index 435e57aa0e..fa13fbb2bd 100644
--- a/lib/stdlib/src/error_logger_tty_h.erl
+++ b/lib/stdlib/src/error_logger_tty_h.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -34,10 +34,12 @@
handle_event/2, handle_call/2, handle_info/2,
terminate/2, code_change/3]).
+-export([write_event/2]).
+
%% This one is used when we takeover from the simple error_logger.
init({[], {error_logger, Buf}}) ->
User = set_group_leader(),
- write_events(Buf),
+ write_events(Buf,io),
{ok, {User, error_logger}};
%% This one is used if someone took over from us, and now wants to
%% go back.
@@ -52,7 +54,7 @@ init([]) ->
handle_event({_Type, GL, _Msg}, State) when node(GL) =/= node() ->
{ok, State};
handle_event(Event, State) ->
- write_event(tag_event(Event)),
+ write_event(tag_event(Event),io),
{ok, State}.
handle_info({'EXIT', User, _Reason}, {User, PrevHandler}) ->
@@ -64,10 +66,10 @@ handle_info({'EXIT', User, _Reason}, {User, PrevHandler}) ->
PrevHandler, go_back}
end;
handle_info({emulator, GL, Chars}, State) when node(GL) == node() ->
- write_event(tag_event({emulator, GL, Chars})),
+ write_event(tag_event({emulator, GL, Chars}),io),
{ok, State};
handle_info({emulator, noproc, Chars}, State) ->
- write_event(tag_event({emulator, noproc, Chars})),
+ write_event(tag_event({emulator, noproc, Chars}),io),
{ok, State};
handle_info(_, State) ->
{ok, State}.
@@ -97,65 +99,65 @@ set_group_leader() ->
tag_event(Event) ->
{erlang:localtime(), Event}.
-write_events(Events) -> write_events1(lists:reverse(Events)).
+write_events(Events,IOMod) -> write_events1(lists:reverse(Events),IOMod).
-write_events1([Event|Es]) ->
- write_event(Event),
- write_events1(Es);
-write_events1([]) ->
+write_events1([Event|Es],IOMod) ->
+ write_event(Event,IOMod),
+ write_events1(Es,IOMod);
+write_events1([],_IOMod) ->
ok.
-write_event({Time, {error, _GL, {Pid, Format, Args}}}) ->
+write_event({Time, {error, _GL, {Pid, Format, Args}}},IOMod) ->
T = write_time(maybe_utc(Time)),
case catch io_lib:format(add_node(Format,Pid), Args) of
S when is_list(S) ->
- format(T ++ S);
+ format(IOMod, T ++ S);
_ ->
F = add_node("ERROR: ~p - ~p~n", Pid),
- format(T ++ F, [Format,Args])
+ format(IOMod, T ++ F, [Format,Args])
end;
-write_event({Time, {emulator, _GL, Chars}}) ->
+write_event({Time, {emulator, _GL, Chars}},IOMod) ->
T = write_time(maybe_utc(Time)),
case catch io_lib:format(Chars, []) of
S when is_list(S) ->
- format(T ++ S);
+ format(IOMod, T ++ S);
_ ->
- format(T ++ "ERROR: ~p ~n", [Chars])
+ format(IOMod, T ++ "ERROR: ~p ~n", [Chars])
end;
-write_event({Time, {info, _GL, {Pid, Info, _}}}) ->
+write_event({Time, {info, _GL, {Pid, Info, _}}},IOMod) ->
T = write_time(maybe_utc(Time)),
- format(T ++ add_node("~p~n",Pid),[Info]);
-write_event({Time, {error_report, _GL, {Pid, std_error, Rep}}}) ->
+ format(IOMod, T ++ add_node("~p~n",Pid),[Info]);
+write_event({Time, {error_report, _GL, {Pid, std_error, Rep}}},IOMod) ->
T = write_time(maybe_utc(Time)),
S = format_report(Rep),
- format(T ++ S ++ add_node("", Pid));
-write_event({Time, {info_report, _GL, {Pid, std_info, Rep}}}) ->
+ format(IOMod, T ++ S ++ add_node("", Pid));
+write_event({Time, {info_report, _GL, {Pid, std_info, Rep}}},IOMod) ->
T = write_time(maybe_utc(Time), "INFO REPORT"),
S = format_report(Rep),
- format(T ++ S ++ add_node("", Pid));
-write_event({Time, {info_msg, _GL, {Pid, Format, Args}}}) ->
+ format(IOMod, T ++ S ++ add_node("", Pid));
+write_event({Time, {info_msg, _GL, {Pid, Format, Args}}},IOMod) ->
T = write_time(maybe_utc(Time), "INFO REPORT"),
case catch io_lib:format(add_node(Format,Pid), Args) of
S when is_list(S) ->
- format(T ++ S);
+ format(IOMod, T ++ S);
_ ->
F = add_node("ERROR: ~p - ~p~n", Pid),
- format(T ++ F, [Format,Args])
+ format(IOMod, T ++ F, [Format,Args])
end;
-write_event({Time, {warning_report, _GL, {Pid, std_warning, Rep}}}) ->
+write_event({Time, {warning_report, _GL, {Pid, std_warning, Rep}}},IOMod) ->
T = write_time(maybe_utc(Time), "WARNING REPORT"),
S = format_report(Rep),
- format(T ++ S ++ add_node("", Pid));
-write_event({Time, {warning_msg, _GL, {Pid, Format, Args}}}) ->
+ format(IOMod, T ++ S ++ add_node("", Pid));
+write_event({Time, {warning_msg, _GL, {Pid, Format, Args}}},IOMod) ->
T = write_time(maybe_utc(Time), "WARNING REPORT"),
case catch io_lib:format(add_node(Format,Pid), Args) of
S when is_list(S) ->
- format(T ++ S);
+ format(IOMod, T ++ S);
_ ->
F = add_node("ERROR: ~p - ~p~n", Pid),
- format(T ++ F, [Format,Args])
+ format(IOMod, T ++ F, [Format,Args])
end;
-write_event({_Time, _Error}) ->
+write_event({_Time, _Error},_IOMod) ->
ok.
maybe_utc(Time) ->
@@ -178,8 +180,9 @@ maybe_utc(Time) ->
Time
end.
-format(String) -> io:format(user, String, []).
-format(String, Args) -> io:format(user, String, Args).
+format(IOMod, String) -> format(IOMod, String, []).
+format(io_lib, String, Args) -> io_lib:format(String, Args);
+format(io, String, Args) -> io:format(user, String, Args).
format_report(Rep) when is_list(Rep) ->
case string_p(Rep) of
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index cd1bacd2f5..ad49d89908 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -866,7 +866,7 @@ hidden_apply(App, M, F, Args) ->
catch
error:undef ->
case erlang:get_stacktrace() of
- [{M,F,Args} | _] ->
+ [{M,F,Args,_} | _] ->
Arity = length(Args),
Text = io_lib:format("Call to ~w:~w/~w in application ~w failed.\n",
[M, F, Arity, App]),
diff --git a/lib/stdlib/src/eval_bits.erl b/lib/stdlib/src/eval_bits.erl
index 1ffa6ea328..f40904df1c 100644
--- a/lib/stdlib/src/eval_bits.erl
+++ b/lib/stdlib/src/eval_bits.erl
@@ -31,8 +31,9 @@
%% @type evalfun(). A closure which evaluates an expression given an
%% environment
%%
-%% @type matchfun(). A closure which performs a match given a value, a
-%% pattern and an environment
+%% @type matchfun(). A closure which depending on its first argument
+%% can perform a match (given a value, a pattern and an environment),
+%% lookup a variable in the bindings, or add a new binding
%%
%% @type field(). Represents a field in a "bin".
@@ -144,7 +145,8 @@ eval_exp_field(Val, Size, Unit, binary, _, _) ->
bin_gen({bin,_,Fs}, Bin, Bs0, BBs0, Mfun, Efun) ->
bin_gen(Fs, Bin, Bs0, BBs0, Mfun, Efun, true).
-bin_gen([F|Fs], Bin, Bs0, BBs0, Mfun, Efun, Flag) ->
+bin_gen([F|Fs], Bin, Bs0, BBs0, Mfun, Efun, Flag)
+ when is_function(Mfun, 2), is_function(Efun, 2) ->
case bin_gen_field(F, Bin, Bs0, BBs0, Mfun, Efun) of
{match,Bs,BBs,Rest} ->
bin_gen(Fs, Rest, Bs, BBs, Mfun, Efun, Flag);
@@ -175,14 +177,14 @@ bin_gen_field({bin_element,Line,VE,Size0,Options0},
{Size1, [Type,{unit,Unit},Sign,Endian]} =
make_bit_type(Line, Size0, Options0),
V = erl_eval:partial_eval(VE),
- match_check_size(Size1, BBs0),
+ match_check_size(Mfun, Size1, BBs0),
{value, Size, _BBs} = Efun(Size1, BBs0),
case catch get_value(Bin, Type, Size, Unit, Sign, Endian) of
{Val,<<_/bitstring>>=Rest} ->
NewV = coerce_to_float(V, Type),
- case catch Mfun(NewV, Val, Bs0) of
+ case catch Mfun(match, {NewV,Val,Bs0}) of
{match,Bs} ->
- BBs = add_bin_binding(NewV, Bs, BBs0),
+ BBs = add_bin_binding(Mfun, NewV, Bs, BBs0),
{match,Bs,BBs,Rest};
_ ->
{nomatch,Rest}
@@ -205,7 +207,8 @@ bin_gen_field({bin_element,Line,VE,Size0,Options0},
match_bits(Fs, Bin, Bs0, BBs, Mfun, Efun, _) ->
match_bits(Fs, Bin, Bs0, BBs, Mfun, Efun).
-match_bits(Fs, Bin, Bs0, BBs, Mfun, Efun) ->
+match_bits(Fs, Bin, Bs0, BBs, Mfun, Efun)
+ when is_function(Mfun, 2), is_function(Efun, 2) ->
case catch match_bits_1(Fs, Bin, Bs0, BBs, Mfun, Efun) of
{match,Bs} -> {match,Bs};
invalid -> throw(invalid);
@@ -230,12 +233,12 @@ match_field_1({bin_element,Line,VE,Size0,Options0},
make_bit_type(Line, Size0, Options0),
V = erl_eval:partial_eval(VE),
Size2 = erl_eval:partial_eval(Size1),
- match_check_size(Size2, BBs0),
+ match_check_size(Mfun, Size2, BBs0),
{value, Size, _BBs} = Efun(Size2, BBs0),
{Val,Rest} = get_value(Bin, Type, Size, Unit, Sign, Endian),
NewV = coerce_to_float(V, Type),
- {match,Bs} = Mfun(NewV, Val, Bs0),
- BBs = add_bin_binding(NewV, Bs, BBs0),
+ {match,Bs} = Mfun(match, {NewV,Val,Bs0}),
+ BBs = add_bin_binding(Mfun, NewV, Bs, BBs0),
{Bs,BBs,Rest}.
%% Almost identical to the one in sys_pre_expand.
@@ -249,12 +252,12 @@ coerce_to_float({integer,L,I}=E, float) ->
coerce_to_float(E, _Type) ->
E.
-add_bin_binding({var,_,'_'}, _Bs, BBs) ->
+add_bin_binding(_, {var,_,'_'}, _Bs, BBs) ->
BBs;
-add_bin_binding({var,_,Name}, Bs, BBs) ->
- {value,Value} = erl_eval:binding(Name, Bs),
- erl_eval:add_binding(Name, Value, BBs);
-add_bin_binding(_, _Bs, BBs) ->
+add_bin_binding(Mfun, {var,_,Name}, Bs, BBs) ->
+ {value,Value} = Mfun(binding, {Name,Bs}),
+ Mfun(add_binding, {Name,Value,BBs});
+add_bin_binding(_, _, _Bs, BBs) ->
BBs.
get_value(Bin, integer, Size, Unit, Sign, Endian) ->
@@ -327,20 +330,20 @@ make_bit_type(_Line, Size, Type0) -> %Size evaluates to an integer or 'all'
{error,Reason} -> error(Reason)
end.
-match_check_size({var,_,V}, Bs) ->
- case erl_eval:binding(V, Bs) of
+match_check_size(Mfun, {var,_,V}, Bs) ->
+ case Mfun(binding, {V,Bs}) of
{value,_} -> ok;
unbound -> throw(invalid) % or, rather, error({unbound,V})
end;
-match_check_size({atom,_,all}, _Bs) ->
+match_check_size(_, {atom,_,all}, _Bs) ->
ok;
-match_check_size({atom,_,undefined}, _Bs) ->
+match_check_size(_, {atom,_,undefined}, _Bs) ->
ok;
-match_check_size({integer,_,_}, _Bs) ->
+match_check_size(_, {integer,_,_}, _Bs) ->
ok;
-match_check_size({value,_,_}, _Bs) ->
+match_check_size(_, {value,_,_}, _Bs) ->
ok; %From the debugger.
-match_check_size(_, _Bs) ->
+match_check_size(_, _, _Bs) ->
throw(invalid).
%% error(Reason) -> exception thrown
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 1cb9e4a25e..2fc9128e4e 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -147,9 +147,10 @@ basename(Name) when is_binary(Name) ->
end;
basename(Name0) ->
- Name = flatten(Name0),
+ Name1 = flatten(Name0),
{DirSep2, DrvSep} = separators(),
- basename1(skip_prefix(Name, DrvSep), [], DirSep2).
+ Name = skip_prefix(Name1, DrvSep),
+ basename1(Name, Name, DirSep2).
win_basenameb(<<Letter,$:,Rest/binary>>) when ?IS_DRIVELETTER(Letter) ->
basenameb(Rest,[<<"/">>,<<"\\">>]);
@@ -167,16 +168,18 @@ basenameb(Bin,Sep) ->
-basename1([$/|[]], Tail, DirSep2) ->
- basename1([], Tail, DirSep2);
+basename1([$/], Tail0, _DirSep2) ->
+ %% End of filename -- must get rid of trailing directory separator.
+ [_|Tail] = lists:reverse(Tail0),
+ lists:reverse(Tail);
basename1([$/|Rest], _Tail, DirSep2) ->
- basename1(Rest, [], DirSep2);
+ basename1(Rest, Rest, DirSep2);
basename1([DirSep2|Rest], Tail, DirSep2) when is_integer(DirSep2) ->
basename1([$/|Rest], Tail, DirSep2);
basename1([Char|Rest], Tail, DirSep2) when is_integer(Char) ->
- basename1(Rest, [Char|Tail], DirSep2);
+ basename1(Rest, Tail, DirSep2);
basename1([], Tail, _DirSep2) ->
- lists:reverse(Tail).
+ Tail.
skip_prefix(Name, false) ->
Name;
@@ -369,8 +372,8 @@ extension(Name0) ->
Name = flatten(Name0),
extension(Name, [], major_os_type()).
-extension([$.|Rest], _Result, OsType) ->
- extension(Rest, [$.], OsType);
+extension([$.|Rest]=Result, _Result, OsType) ->
+ extension(Rest, Result, OsType);
extension([Char|Rest], [], OsType) when is_integer(Char) ->
extension(Rest, [], OsType);
extension([$/|Rest], _Result, OsType) ->
@@ -378,9 +381,9 @@ extension([$/|Rest], _Result, OsType) ->
extension([$\\|Rest], _Result, win32) ->
extension(Rest, [], win32);
extension([Char|Rest], Result, OsType) when is_integer(Char) ->
- extension(Rest, [Char|Result], OsType);
+ extension(Rest, Result, OsType);
extension([], Result, _OsType) ->
- lists:reverse(Result).
+ Result.
%% Joins a list of filenames with directory separators.
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index 1c4a73680b..9879b76391 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -36,8 +36,6 @@
add_handler/3, add_sup_handler/3, delete_handler/3, swap_handler/3,
swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/4]).
--export([behaviour_info/1]).
-
-export([init_it/6,
system_continue/3,
system_terminate/4,
@@ -60,14 +58,6 @@
%%% API
%%%=========================================================================
--spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}].
-
-behaviour_info(callbacks) ->
- [{init,1},{handle_event,2},{handle_call,2},{handle_info,2},
- {terminate,2},{code_change,3}];
-behaviour_info(_Other) ->
- undefined.
-
%% gen_event:start(Handler) -> {ok, Pid} | {error, What}
%% gen_event:add_handler(Handler, Mod, Args) -> ok | Other
%% gen_event:notify(Handler, Event) -> ok
@@ -78,41 +68,36 @@ behaviour_info(_Other) ->
%% gen_event:which_handler(Handler) -> [Mod]
%% gen_event:stop(Handler) -> ok
-
-%% handlers must export
-%% Mod:init(Args) -> {ok, State} | Other
-%% Mod:handle_event(Event, State) ->
-%% {ok, State'} | remove_handler | {swap_handler,Args1,State1,Mod2,Args2}
-%% Mod:handle_info(Info, State) ->
-%% {ok, State'} | remove_handler | {swap_handler,Args1,State1,Mod2,Args2}
-%% Mod:handle_call(Query, State) ->
-%% {ok, Reply, State'} | {remove_handler, Reply} |
-%% {swap_handler, Reply, Args1,State1,Mod2,Args2}
-%% Mod:terminate(Args, State) -> Val
-
-
-%% add_handler(H, Mod, Args) -> ok | Other
-%% Mod:init(Args) -> {ok, State} | Other
-
-%% delete_handler(H, Mod, Args) -> Val
-%% Mod:terminate(Args, State) -> Val
-
-%% notify(H, Event)
-%% Mod:handle_event(Event, State) ->
-%% {ok, State1}
-%% remove_handler
-%% Mod:terminate(remove_handler, State) is called
-%% the return value is ignored
-%% {swap_handler, Args1, State1, Mod2, Args2}
-%% State2 = Mod:terminate(Args1, State1) is called
-%% the return value is chained into the new module and
-%% Mod2:init({Args2, State2}) is called
-%% Other
-%% Mod:terminate({error, Other}, State) is called
-%% The return value is ignored
-%% call(H, Mod, Query) -> Val
-%% call(H, Mod, Query, Timeout) -> Val
-%% Mod:handle_call(Query, State) -> as above
+-callback init(InitArgs :: term()) ->
+ {ok, State :: term()} |
+ {ok, State :: term(), hibernate}.
+-callback handle_event(Event :: term(), State :: term()) ->
+ {ok, NewState :: term()} |
+ {ok, NewState :: term(), hibernate} |
+ {swap_handler, Args1 :: term(), NewState :: term(),
+ Handler2 :: (atom() | {atom(), Id :: term()}), Args2 :: term()} |
+ remove_handler.
+-callback handle_call(Request :: term(), State :: term()) ->
+ {ok, Reply :: term(), NewState :: term()} |
+ {ok, Reply :: term(), NewState :: term(), hibernate} |
+ {swap_handler, Reply :: term(), Args1 :: term(), NewState :: term(),
+ Handler2 :: (atom() | {atom(), Id :: term()}), Args2 :: term()} |
+ {remove_handler, Reply :: term()}.
+-callback handle_info(Info :: term(), State :: term()) ->
+ {ok, NewState :: term()} |
+ {ok, NewState :: term(), hibernate} |
+ {swap_handler, Args1 :: term(), NewState :: term(),
+ Handler2 :: (atom() | {atom(), Id :: term()}), Args2 :: term()} |
+ remove_handler.
+-callback terminate(Args :: (term() | {stop, Reason :: term()} |
+ stop | remove_handler |
+ {error, {'EXIT', Reason :: term()}} |
+ {error, term()}),
+ State :: term()) ->
+ term().
+-callback code_change(OldVsn :: (term() | {down, term()}),
+ State :: term(), Extra :: term()) ->
+ {ok, NewState :: term()}.
%%---------------------------------------------------------------------------
@@ -667,16 +652,16 @@ report_error(_Handler, {swapped,_,_}, _, _, _) -> ok;
report_error(Handler, Reason, State, LastIn, SName) ->
Reason1 =
case Reason of
- {'EXIT',{undef,[{M,F,A}|MFAs]}} ->
+ {'EXIT',{undef,[{M,F,A,L}|MFAs]}} ->
case code:is_loaded(M) of
false ->
- {'module could not be loaded',[{M,F,A}|MFAs]};
+ {'module could not be loaded',[{M,F,A,L}|MFAs]};
_ ->
case erlang:function_exported(M, F, length(A)) of
true ->
- {undef,[{M,F,A}|MFAs]};
+ {undef,[{M,F,A,L}|MFAs]};
false ->
- {'function not exported',[{M,F,A}|MFAs]}
+ {'function not exported',[{M,F,A,L}|MFAs]}
end
end;
{'EXIT',Why} ->
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index f2f1365d3d..3db8c9f4f2 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -113,8 +113,6 @@
start_timer/2,send_event_after/2,cancel_timer/1,
enter_loop/4, enter_loop/5, enter_loop/6, wake_hib/6]).
--export([behaviour_info/1]).
-
%% Internal exports
-export([init_it/6,
system_continue/3,
@@ -128,13 +126,38 @@
%%% Interface functions.
%%% ---------------------------------------------------
--spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}].
-
-behaviour_info(callbacks) ->
- [{init,1},{handle_event,3},{handle_sync_event,4},{handle_info,3},
- {terminate,3},{code_change,4}];
-behaviour_info(_Other) ->
- undefined.
+-callback init(Args :: term()) ->
+ {ok, StateName :: atom(), StateData :: term()} |
+ {ok, StateName :: atom(), StateData :: term(), timeout() | hibernate} |
+ {stop, Reason :: term()} | ignore.
+-callback handle_event(Event :: term(), StateName :: atom(),
+ StateData :: term()) ->
+ {next_state, NextStateName :: atom(), NewStateData :: term()} |
+ {next_state, NextStateName :: atom(), NewStateData :: term(),
+ timeout() | hibernate} |
+ {stop, Reason :: term(), NewStateData :: term()}.
+-callback handle_sync_event(Event :: term(), From :: {pid(), Tag :: term()},
+ StateName :: atom(), StateData :: term()) ->
+ {reply, Reply :: term(), NextStateName :: atom(), NewStateData :: term()} |
+ {reply, Reply :: term(), NextStateName :: atom(), NewStateData :: term(),
+ timeout() | hibernate} |
+ {next_state, NextStateName :: atom(), NewStateData :: term()} |
+ {next_state, NextStateName :: atom(), NewStateData :: term(),
+ timeout() | hibernate} |
+ {stop, Reason :: term(), Reply :: term(), NewStateData :: term()} |
+ {stop, Reason :: term(), NewStateData :: term()}.
+-callback handle_info(Info :: term(), StateName :: atom(),
+ StateData :: term()) ->
+ {next_state, NextStateName :: atom(), NewStateData :: term()} |
+ {next_state, NextStateName :: atom(), NewStateData :: term(),
+ timeout() | hibernate} |
+ {stop, Reason :: normal | term(), NewStateData :: term()}.
+-callback terminate(Reason :: normal | shutdown | {shutdown, term()}
+ | term(), StateName :: atom(), StateData :: term()) ->
+ term().
+-callback code_change(OldVsn :: term() | {down, term()}, StateName :: atom(),
+ StateData :: term(), Extra :: term()) ->
+ {ok, NextStateName :: atom(), NewStateData :: term()}.
%%% ---------------------------------------------------
%%% Starts a generic state machine.
@@ -561,16 +584,16 @@ terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug) ->
error_info(Reason, Name, Msg, StateName, StateData, Debug) ->
Reason1 =
case Reason of
- {undef,[{M,F,A}|MFAs]} ->
+ {undef,[{M,F,A,L}|MFAs]} ->
case code:is_loaded(M) of
false ->
- {'module could not be loaded',[{M,F,A}|MFAs]};
+ {'module could not be loaded',[{M,F,A,L}|MFAs]};
_ ->
case erlang:function_exported(M, F, length(A)) of
true ->
Reason;
false ->
- {'function not exported',[{M,F,A}|MFAs]}
+ {'function not exported',[{M,F,A,L}|MFAs]}
end
end;
_ ->
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 09d94a9c40..dd0ef74f30 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -94,8 +94,6 @@
multi_call/2, multi_call/3, multi_call/4,
enter_loop/3, enter_loop/4, enter_loop/5, wake_hib/5]).
--export([behaviour_info/1]).
-
%% System exports
-export([system_continue/3,
system_terminate/4,
@@ -111,13 +109,32 @@
%%% API
%%%=========================================================================
--spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}].
-
-behaviour_info(callbacks) ->
- [{init,1},{handle_call,3},{handle_cast,2},{handle_info,2},
- {terminate,2},{code_change,3}];
-behaviour_info(_Other) ->
- undefined.
+-callback init(Args :: term()) ->
+ {ok, State :: term()} | {ok, State :: term(), timeout() | hibernate} |
+ {stop, Reason :: term()} | ignore.
+-callback handle_call(Request :: term(), From :: {pid(), Tag :: term()},
+ State :: term()) ->
+ {reply, Reply :: term(), NewState :: term()} |
+ {reply, Reply :: term(), NewState :: term(), timeout() | hibernate} |
+ {noreply, NewState :: term()} |
+ {noreply, NewState :: term(), timeout() | hibernate} |
+ {stop, Reason :: term(), Reply :: term(), NewState :: term()} |
+ {stop, Reason :: term(), NewState :: term()}.
+-callback handle_cast(Request :: term(), State :: term()) ->
+ {noreply, NewState :: term()} |
+ {noreply, NewState :: term(), timeout() | hibernate} |
+ {stop, Reason :: term(), NewState :: term()}.
+-callback handle_info(Info :: timeout() | term(), State :: term()) ->
+ {noreply, NewState :: term()} |
+ {noreply, NewState :: term(), timeout() | hibernate} |
+ {stop, Reason :: term(), NewState :: term()}.
+-callback terminate(Reason :: (normal | shutdown | {shutdown, term()} |
+ term()),
+ State :: term()) ->
+ term().
+-callback code_change(OldVsn :: (term() | {down, term()}), State :: term(),
+ Extra :: term()) ->
+ {ok, NewState :: term()}.
%%% -----------------------------------------------------------------
%%% Starts a generic server.
@@ -729,16 +746,16 @@ error_info(_Reason, application_controller, _Msg, _State, _Debug) ->
error_info(Reason, Name, Msg, State, Debug) ->
Reason1 =
case Reason of
- {undef,[{M,F,A}|MFAs]} ->
+ {undef,[{M,F,A,L}|MFAs]} ->
case code:is_loaded(M) of
false ->
- {'module could not be loaded',[{M,F,A}|MFAs]};
+ {'module could not be loaded',[{M,F,A,L}|MFAs]};
_ ->
case erlang:function_exported(M, F, length(A)) of
true ->
Reason;
false ->
- {'function not exported',[{M,F,A}|MFAs]}
+ {'function not exported',[{M,F,A,L}|MFAs]}
end
end;
_ ->
diff --git a/lib/stdlib/src/lib.erl b/lib/stdlib/src/lib.erl
index c303ae60b5..314fd60903 100644
--- a/lib/stdlib/src/lib.erl
+++ b/lib/stdlib/src/lib.erl
@@ -173,12 +173,12 @@ format_fun(Fun) when is_function(Fun) ->
analyze_exception(error, Term, Stack) ->
case {is_stacktrace(Stack), Stack, Term} of
- {true, [{_M,_F,As}=MFA|MFAs], function_clause} when is_list(As) ->
- {Term,[MFA],MFAs};
- {true, [{shell,F,A}], function_clause} when is_integer(A) ->
+ {true, [{_,_,As,_}=MFAL|MFAs], function_clause} when is_list(As) ->
+ {Term,[MFAL],MFAs};
+ {true, [{shell,F,A,_}], function_clause} when is_integer(A) ->
{Term, [{F,A}], []};
- {true, [{_M,_F,_AorAs}=MFA|MFAs], undef} ->
- {Term,[MFA],MFAs};
+ {true, [{_,_,_,_}=MFAL|MFAs], undef} ->
+ {Term,[MFAL],MFAs};
{true, _, _} ->
{Term,[],Stack};
{false, _, _} ->
@@ -194,9 +194,11 @@ analyze_exception(_Class, Term, Stack) ->
is_stacktrace([]) ->
true;
-is_stacktrace([{M,F,A}|Fs]) when is_atom(M), is_atom(F), is_integer(A) ->
+is_stacktrace([{M,F,A,I}|Fs])
+ when is_atom(M), is_atom(F), is_integer(A), is_list(I) ->
is_stacktrace(Fs);
-is_stacktrace([{M,F,As}|Fs]) when is_atom(M), is_atom(F), length(As) >= 0 ->
+is_stacktrace([{M,F,As,I}|Fs])
+ when is_atom(M), is_atom(F), length(As) >= 0, is_list(I) ->
is_stacktrace(Fs);
is_stacktrace(_) ->
false.
@@ -225,9 +227,9 @@ explain_reason(function_clause, error, [{F,A}], _PF, _S) ->
%% Shell commands
FAs = io_lib:fwrite(<<"~w/~w">>, [F, A]),
[<<"no function clause matching call to ">> | FAs];
-explain_reason(function_clause, error=Cl, [{M,F,As}], PF, S) ->
+explain_reason(function_clause, error=Cl, [{M,F,As,Loc}], PF, S) ->
Str = <<"no function clause matching ">>,
- format_errstr_call(Str, Cl, {M,F}, As, PF, S);
+ [format_errstr_call(Str, Cl, {M,F}, As, PF, S),$\s|location(Loc)];
explain_reason(if_clause, error, [], _PF, _S) ->
<<"no true branch found when evaluating an if expression">>;
explain_reason(noproc, error, [], _PF, _S) ->
@@ -242,11 +244,11 @@ explain_reason({try_clause,V}, error=Cl, [], PF, S) ->
%% "there is no try clause with a true guard sequence and a
%% pattern matching..."
format_value(V, <<"no try clause matching ">>, Cl, PF, S);
-explain_reason(undef, error, [{M,F,A}], _PF, _S) ->
+explain_reason(undef, error, [{M,F,A,_}], _PF, _S) ->
%% Only the arity is displayed, not the arguments, if there are any.
io_lib:fwrite(<<"undefined function ~s">>,
[mfa_to_string(M, F, n_args(A))]);
-explain_reason({shell_undef,F,A}, error, [], _PF, _S) ->
+explain_reason({shell_undef,F,A,_}, error, [], _PF, _S) ->
%% Give nicer reports for undefined shell functions
%% (but not when the user actively calls shell_default:F(...)).
io_lib:fwrite(<<"undefined shell command ~s/~w">>, [F, n_args(A)]);
@@ -292,17 +294,19 @@ argss(I) ->
io_lib:fwrite(<<"~w arguments">>, [I]).
format_stacktrace1(S0, Stack0, PF, SF) ->
- Stack1 = lists:dropwhile(fun({M,F,A}) -> SF(M, F, A)
+ Stack1 = lists:dropwhile(fun({M,F,A,_}) -> SF(M, F, A)
end, lists:reverse(Stack0)),
S = [" " | S0],
Stack = lists:reverse(Stack1),
format_stacktrace2(S, Stack, 1, PF).
-format_stacktrace2(S, [{M,F,A}|Fs], N, PF) when is_integer(A) ->
- [io_lib:fwrite(<<"~s~s ~s">>,
- [sep(N, S), origin(N, M, F, A), mfa_to_string(M, F, A)])
+format_stacktrace2(S, [{M,F,A,L}|Fs], N, PF) when is_integer(A) ->
+ [io_lib:fwrite(<<"~s~s ~s ~s">>,
+ [sep(N, S), origin(N, M, F, A),
+ mfa_to_string(M, F, A),
+ location(L)])
| format_stacktrace2(S, Fs, N + 1, PF)];
-format_stacktrace2(S, [{M,F,As}|Fs], N, PF) when is_list(As) ->
+format_stacktrace2(S, [{M,F,As,_}|Fs], N, PF) when is_list(As) ->
A = length(As),
CalledAs = [S,<<" called as ">>],
C = format_call("", CalledAs, {M,F}, As, PF),
@@ -313,6 +317,16 @@ format_stacktrace2(S, [{M,F,As}|Fs], N, PF) when is_list(As) ->
format_stacktrace2(_S, [], _N, _PF) ->
"".
+location(L) ->
+ File = proplists:get_value(file, L),
+ Line = proplists:get_value(line, L),
+ if
+ File =/= undefined, Line =/= undefined ->
+ io_lib:format("(~s, line ~w)", [File, Line]);
+ true ->
+ ""
+ end.
+
sep(1, S) -> S;
sep(_, S) -> [$\n | S].
diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl
index bba46e4cb6..e73c087753 100644
--- a/lib/stdlib/src/lists.erl
+++ b/lib/stdlib/src/lists.erl
@@ -628,9 +628,10 @@ keydelete3(_, _, []) -> [].
-spec keyreplace(Key, N, TupleList1, NewTuple) -> TupleList2 when
Key :: term(),
N :: pos_integer(),
- TupleList1 :: [tuple()],
- TupleList2 :: [tuple()],
- NewTuple :: tuple().
+ TupleList1 :: [Tuple],
+ TupleList2 :: [Tuple],
+ NewTuple :: Tuple,
+ Tuple :: tuple().
keyreplace(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) ->
keyreplace3(K, N, L, New).
@@ -660,9 +661,10 @@ keytake(_K, _N, [], _L) -> false.
-spec keystore(Key, N, TupleList1, NewTuple) -> TupleList2 when
Key :: term(),
N :: pos_integer(),
- TupleList1 :: [tuple()],
- TupleList2 :: [tuple(), ...],
- NewTuple :: tuple().
+ TupleList1 :: [Tuple],
+ TupleList2 :: [Tuple, ...],
+ NewTuple :: Tuple,
+ Tuple :: tuple().
keystore(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) ->
keystore2(K, N, L, New).
@@ -740,8 +742,9 @@ keysort_1(_I, X, _EX, [], R) ->
TupleList1 :: [T1],
TupleList2 :: [T2],
TupleList3 :: [(T1 | T2)],
- T1 :: tuple(),
- T2 :: tuple().
+ T1 :: Tuple,
+ T2 :: Tuple,
+ Tuple :: tuple().
keymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
case L2 of
@@ -842,8 +845,9 @@ ukeysort_1(_I, X, _EX, []) ->
TupleList1 :: [T1],
TupleList2 :: [T2],
TupleList3 :: [(T1 | T2)],
- T1 :: tuple(),
- T2 :: tuple().
+ T1 :: Tuple,
+ T2 :: Tuple,
+ Tuple :: tuple().
ukeymerge(Index, L1, T2) when is_integer(Index), Index > 0 ->
case L1 of
@@ -873,8 +877,9 @@ rukeymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
-spec keymap(Fun, N, TupleList1) -> TupleList2 when
Fun :: fun((Term1 :: term()) -> Term2 :: term()),
N :: pos_integer(),
- TupleList1 :: [tuple()],
- TupleList2 :: [tuple()].
+ TupleList1 :: [Tuple],
+ TupleList2 :: [Tuple],
+ Tuple :: tuple().
keymap(Fun, Index, [Tup|Tail]) ->
[setelement(Index, Tup, Fun(element(Index, Tup)))|keymap(Fun, Index, Tail)];
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 48e22e53fa..63b397f3a5 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -333,17 +333,18 @@ form({function,Line,Name0,Arity0,Clauses0}) ->
form(AnyOther) ->
AnyOther.
function(Name, Arity, Clauses0) ->
- {Clauses1,_} = clauses(Clauses0,gb_sets:new()),
+ Clauses1 = clauses(Clauses0),
{Name,Arity,Clauses1}.
-clauses([C0|Cs],Bound) ->
- {C1,Bound1} = clause(C0,Bound),
- {C2,Bound2} = clauses(Cs,Bound1),
- {[C1|C2],Bound2};
-clauses([],Bound) -> {[],Bound}.
+clauses([C0|Cs]) ->
+ C1 = clause(C0,gb_sets:new()),
+ C2 = clauses(Cs),
+ [C1|C2];
+clauses([]) -> [].
+
clause({clause,Line,H0,G0,B0},Bound) ->
{H1,Bound1} = copy(H0,Bound),
- {B1,Bound2} = copy(B0,Bound1),
- {{clause,Line,H1,G0,B1},Bound2}.
+ {B1,_Bound2} = copy(B0,Bound1),
+ {clause,Line,H1,G0,B1}.
copy({call,Line,{remote,_Line2,{atom,_Line3,ets},{atom,_Line4,fun2ms}},
As0},Bound) ->
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 5129ba5074..c1285dab60 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -330,22 +330,22 @@ obsolete_1(erlang, fault, 2) ->
obsolete_1(file, rawopen, 2) ->
{removed, "deprecated (will be removed in R13B); use file:open/2 with the raw option"};
-obsolete_1(http, request, 1) -> {deprecated,{httpc,request,1},"R15B"};
-obsolete_1(http, request, 2) -> {deprecated,{httpc,request,2},"R15B"};
-obsolete_1(http, request, 4) -> {deprecated,{httpc,request,4},"R15B"};
-obsolete_1(http, request, 5) -> {deprecated,{httpc,request,5},"R15B"};
-obsolete_1(http, cancel_request, 1) -> {deprecated,{httpc,cancel_request,1},"R15B"};
-obsolete_1(http, cancel_request, 2) -> {deprecated,{httpc,cancel_request,2},"R15B"};
-obsolete_1(http, set_option, 2) -> {deprecated,{httpc,set_option,2},"R15B"};
-obsolete_1(http, set_option, 3) -> {deprecated,{httpc,set_option,3},"R15B"};
-obsolete_1(http, set_options, 1) -> {deprecated,{httpc,set_options,1},"R15B"};
-obsolete_1(http, set_options, 2) -> {deprecated,{httpc,set_options,2},"R15B"};
-obsolete_1(http, verify_cookies, 2) -> {deprecated,{httpc,verify_cookies,2},"R15B"};
-obsolete_1(http, verify_cookies, 3) -> {deprecated,{httpc,verify_cookies,3},"R15B"};
-obsolete_1(http, cookie_header, 1) -> {deprecated,{httpc,cookie_header,1},"R15B"};
-obsolete_1(http, cookie_header, 2) -> {deprecated,{httpc,cookie_header,2},"R15B"};
-obsolete_1(http, stream_next, 1) -> {deprecated,{httpc,stream_next,1},"R15B"};
-obsolete_1(http, default_profile, 0) -> {deprecated,{httpc,default_profile,0},"R15B"};
+obsolete_1(http, request, 1) -> {removed,{httpc,request,1},"R15B"};
+obsolete_1(http, request, 2) -> {removed,{httpc,request,2},"R15B"};
+obsolete_1(http, request, 4) -> {removed,{httpc,request,4},"R15B"};
+obsolete_1(http, request, 5) -> {removed,{httpc,request,5},"R15B"};
+obsolete_1(http, cancel_request, 1) -> {removed,{httpc,cancel_request,1},"R15B"};
+obsolete_1(http, cancel_request, 2) -> {removed,{httpc,cancel_request,2},"R15B"};
+obsolete_1(http, set_option, 2) -> {removed,{httpc,set_option,2},"R15B"};
+obsolete_1(http, set_option, 3) -> {removed,{httpc,set_option,3},"R15B"};
+obsolete_1(http, set_options, 1) -> {removed,{httpc,set_options,1},"R15B"};
+obsolete_1(http, set_options, 2) -> {removed,{httpc,set_options,2},"R15B"};
+obsolete_1(http, verify_cookies, 2) -> {removed,{httpc,store_cookies,2},"R15B"};
+obsolete_1(http, verify_cookies, 3) -> {removed,{httpc,store_cookies,3},"R15B"};
+obsolete_1(http, cookie_header, 1) -> {removed,{httpc,cookie_header,1},"R15B"};
+obsolete_1(http, cookie_header, 2) -> {removed,{httpc,cookie_header,2},"R15B"};
+obsolete_1(http, stream_next, 1) -> {removed,{httpc,stream_next,1},"R15B"};
+obsolete_1(http, default_profile, 0) -> {removed,{httpc,default_profile,0},"R15B"};
obsolete_1(httpd, start, 0) -> {removed,{inets,start,[2,3]},"R14B"};
obsolete_1(httpd, start, 1) -> {removed,{inets,start,[2,3]},"R14B"};
@@ -449,7 +449,7 @@ obsolete_1(ssl_pkix, decode_cert, A) when A =:= 1; A =:= 2 ->
%% Added in R13B04.
obsolete_1(erlang, concat_binary, 1) ->
- {deprecated,{erlang,list_to_binary,1},"R15B"};
+ {removed,{erlang,list_to_binary,1},"R15B"};
%% Added in R14A.
obsolete_1(ssl, peercert, 2) ->
@@ -469,6 +469,10 @@ obsolete_1(docb_transform, _, _) ->
obsolete_1(docb_xml_check, _, _) ->
{deprecated,"the DocBuilder application is deprecated (will be removed in R15B)"};
+%% Added in R15B
+obsolete_1(asn1rt, F, _) when F == load_driver; F == unload_driver ->
+ {deprecated,"deprecated (will be removed in R16A); has no effect as drivers are no longer used."};
+
obsolete_1(_, _, _) ->
no.
diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl
index 5ca04ff023..2b691e6abf 100644
--- a/lib/stdlib/src/qlc.erl
+++ b/lib/stdlib/src/qlc.erl
@@ -123,7 +123,7 @@
-record(setup, {parent}).
--define(THROWN_ERROR, {?MODULE, throw_error, _}).
+-define(THROWN_ERROR, {?MODULE, throw_error, _, _}).
-export_type([query_handle/0]).
@@ -1272,7 +1272,10 @@ abstr_term(Fun, Line) when is_function(Fun) ->
case erlang:fun_info(Fun, type) of
{type, external} ->
{module, Module} = erlang:fun_info(Fun, module),
- {'fun', Line, {function,Module,Name,Arity}};
+ {'fun', Line, {function,
+ {atom,Line,Module},
+ {atom,Line,Name},
+ {integer,Line,Arity}}};
{type, local} ->
{'fun', Line, {function,Name,Arity}}
end
@@ -3701,7 +3704,8 @@ lookup_join(F1, C1, LuF, C2, Rev) ->
maybe_error_logger(allowed, _) ->
ok;
maybe_error_logger(Name, Why) ->
- [_, _, {?MODULE,maybe_error_logger,_} | Stacktrace] = expand_stacktrace(),
+ [_, _, {?MODULE,maybe_error_logger,_,_} | Stacktrace] =
+ expand_stacktrace(),
Trimmer = fun(M, _F, _A) -> M =:= erl_eval end,
Formater = fun(Term, I) -> io_lib:print(Term, I, 80, -1) end,
X = lib:format_stacktrace(1, Stacktrace, Trimmer, Formater),
@@ -3720,7 +3724,7 @@ expand_stacktrace() ->
expand_stacktrace(D) ->
_ = erlang:system_flag(backtrace_depth, D),
{'EXIT', {foo, Stacktrace}} = (catch erlang:error(foo)),
- L = lists:takewhile(fun({M,_,_}) -> M =/= ?MODULE
+ L = lists:takewhile(fun({M,_,_,_}) -> M =/= ?MODULE
end, lists:reverse(Stacktrace)),
if
length(L) < 3 andalso length(Stacktrace) =:= D ->
diff --git a/lib/stdlib/src/random.erl b/lib/stdlib/src/random.erl
index dbb524cc74..d7b51a151c 100644
--- a/lib/stdlib/src/random.erl
+++ b/lib/stdlib/src/random.erl
@@ -26,6 +26,10 @@
-export([seed/0, seed/1, seed/3, uniform/0, uniform/1,
uniform_s/1, uniform_s/2, seed0/0]).
+-define(PRIME1, 30269).
+-define(PRIME2, 30307).
+-define(PRIME3, 30323).
+
%%-----------------------------------------------------------------------
%% The type of the state
@@ -44,7 +48,11 @@ seed0() ->
-spec seed() -> ran().
seed() ->
- reseed(seed0()).
+ case seed_put(seed0()) of
+ undefined -> seed0();
+ {_,_,_} = Tuple -> Tuple
+ end.
+
%% seed({A1, A2, A3})
%% Seed random number generation
@@ -66,17 +74,15 @@ seed({A1, A2, A3}) ->
A3 :: integer().
seed(A1, A2, A3) ->
- put(random_seed,
- {abs(A1) rem 30269, abs(A2) rem 30307, abs(A3) rem 30323}).
+ seed_put({(abs(A1) rem (?PRIME1-1)) + 1, % Avoid seed numbers that are
+ (abs(A2) rem (?PRIME2-1)) + 1, % even divisors of the
+ (abs(A3) rem (?PRIME3-1)) + 1}). % corresponding primes.
--spec reseed(ran()) -> ran().
-
-reseed({A1, A2, A3}) ->
- case seed(A1, A2, A3) of
- undefined -> seed0();
- {_,_,_} = Tuple -> Tuple
- end.
+-spec seed_put(ran()) -> 'undefined' | ran().
+
+seed_put(Seed) ->
+ put(random_seed, Seed).
%% uniform()
%% Returns a random float between 0 and 1.
@@ -88,11 +94,11 @@ uniform() ->
undefined -> seed0();
Tuple -> Tuple
end,
- B1 = (A1*171) rem 30269,
- B2 = (A2*172) rem 30307,
- B3 = (A3*170) rem 30323,
+ B1 = (A1*171) rem ?PRIME1,
+ B2 = (A2*172) rem ?PRIME2,
+ B3 = (A3*170) rem ?PRIME3,
put(random_seed, {B1,B2,B3}),
- R = A1/30269 + A2/30307 + A3/30323,
+ R = B1/?PRIME1 + B2/?PRIME2 + B3/?PRIME3,
R - trunc(R).
%% uniform(N) -> I
@@ -116,10 +122,10 @@ uniform(N) when is_integer(N), N >= 1 ->
State1 :: ran().
uniform_s({A1, A2, A3}) ->
- B1 = (A1*171) rem 30269,
- B2 = (A2*172) rem 30307,
- B3 = (A3*170) rem 30323,
- R = A1/30269 + A2/30307 + A3/30323,
+ B1 = (A1*171) rem ?PRIME1,
+ B2 = (A2*172) rem ?PRIME2,
+ B3 = (A3*170) rem ?PRIME3,
+ R = B1/?PRIME1 + B2/?PRIME2 + B3/?PRIME3,
{R - trunc(R), {B1,B2,B3}}.
%% uniform_s(N, State) -> {I, NewState}
diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl
index e08258a535..246d535943 100644
--- a/lib/stdlib/src/re.erl
+++ b/lib/stdlib/src/re.erl
@@ -48,7 +48,7 @@ split(Subject,RE) ->
Subject :: iodata() | unicode:charlist(),
RE :: mp() | iodata() | unicode:charlist(),
Options :: [ Option ],
- Option :: anchored | global | notbol | noteol | notempty
+ Option :: anchored | notbol | noteol | notempty
| {offset, non_neg_integer()} | {newline, nl_spec()}
| bsr_anycrlf | bsr_unicode | {return, ReturnType}
| {parts, NumParts} | group | trim | CompileOpt,
@@ -573,10 +573,10 @@ ucompile(RE,Options) ->
re:compile(unicode:characters_to_binary(RE,unicode),Options)
catch
error:AnyError ->
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,Loc}|Rest]}} =
(catch erlang:error(new_stacktrace,
[RE,Options])),
- erlang:raise(error,AnyError,[{Mod,compile,L}|Rest])
+ erlang:raise(error,AnyError,[{Mod,compile,L,Loc}|Rest])
end.
@@ -585,10 +585,10 @@ urun(Subject,RE,Options) ->
urun2(Subject,RE,Options)
catch
error:AnyError ->
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,Loc}|Rest]}} =
(catch erlang:error(new_stacktrace,
[Subject,RE,Options])),
- erlang:raise(error,AnyError,[{Mod,run,L}|Rest])
+ erlang:raise(error,AnyError,[{Mod,run,L,Loc}|Rest])
end.
urun2(Subject0,RE0,Options0) ->
@@ -625,20 +625,20 @@ grun(Subject,RE,{Options,NeedClean}) ->
grun2(Subject,RE,{Options,NeedClean})
catch
error:AnyError ->
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,Loc}|Rest]}} =
(catch erlang:error(new_stacktrace,
[Subject,RE,Options])),
- erlang:raise(error,AnyError,[{Mod,run,L}|Rest])
+ erlang:raise(error,AnyError,[{Mod,run,L,Loc}|Rest])
end;
grun(Subject,RE,{Options,NeedClean,OrigRE}) ->
try
grun2(Subject,RE,{Options,NeedClean})
catch
error:AnyError ->
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,Loc}|Rest]}} =
(catch erlang:error(new_stacktrace,
[Subject,OrigRE,Options])),
- erlang:raise(error,AnyError,[{Mod,run,L}|Rest])
+ erlang:raise(error,AnyError,[{Mod,run,L,Loc}|Rest])
end.
grun2(Subject,RE,{Options,NeedClean}) ->
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index e3e23e09bc..964697cae6 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -1088,7 +1088,7 @@ shell_default(F,As,Bs) ->
end.
shell_undef(F,A) ->
- erlang:error({shell_undef,F,A}).
+ erlang:error({shell_undef,F,A,[]}).
local_func_handler(Shell, RT, Ef) ->
H = fun(Lf) ->
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index dc31647eb5..2dd5ccce7a 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -27,8 +27,6 @@
which_children/1, count_children/1,
check_childspecs/1]).
--export([behaviour_info/1]).
-
%% Internal exports
-export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3]).
-export([handle_cast/2]).
@@ -90,14 +88,12 @@
-define(is_simple(State), State#state.strategy =:= simple_one_for_one).
-%%--------------------------------------------------------------------------
-
--spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}].
-
-behaviour_info(callbacks) ->
- [{init,1}];
-behaviour_info(_Other) ->
- undefined.
+-callback init(Args :: term()) ->
+ {ok, {{RestartStrategy :: strategy(),
+ MaxR :: non_neg_integer(),
+ MaxT :: non_neg_integer()},
+ [ChildSpec :: child_spec()]}}
+ | ignore.
%%% ---------------------------------------------------
%%% This is a general process supervisor built upon gen_server.erl.
@@ -519,9 +515,12 @@ handle_info(Msg, State) ->
%%
-spec terminate(term(), state()) -> 'ok'.
+terminate(_Reason, #state{children=[Child]} = State) when ?is_simple(State) ->
+ terminate_dynamic_children(Child, dynamics_db(Child#child.restart_type,
+ State#state.dynamics),
+ State#state.name);
terminate(_Reason, State) ->
- terminate_children(State#state.children, State#state.name),
- ok.
+ terminate_children(State#state.children, State#state.name).
%%
%% Change code for the supervisor.
@@ -661,6 +660,9 @@ do_restart(_, normal, Child, State) ->
do_restart(_, shutdown, Child, State) ->
NState = state_del_child(Child, State),
{ok, NState};
+do_restart(_, {shutdown, _Term}, Child, State) ->
+ NState = state_del_child(Child, State),
+ {ok, NState};
do_restart(transient, Reason, Child, State) ->
report_error(child_terminated, Reason, Child, State#state.name),
restart(Child, State);
@@ -831,8 +833,109 @@ monitor_child(Pid) ->
%% that will be handled in shutdown/2.
ok
end.
-
-
+
+
+%%-----------------------------------------------------------------
+%% Func: terminate_dynamic_children/3
+%% Args: Child = child_rec()
+%% Dynamics = ?DICT() | ?SET()
+%% SupName = {local, atom()} | {global, atom()} | {pid(),Mod}
+%% Returns: ok
+%%
+%%
+%% Shutdown all dynamic children. This happens when the supervisor is
+%% stopped. Because the supervisor can have millions of dynamic children, we
+%% can have an significative overhead here.
+%%-----------------------------------------------------------------
+terminate_dynamic_children(Child, Dynamics, SupName) ->
+ {Pids, EStack0} = monitor_dynamic_children(Child, Dynamics),
+ Sz = ?SETS:size(Pids),
+ EStack = case Child#child.shutdown of
+ brutal_kill ->
+ ?SETS:fold(fun(P, _) -> exit(P, kill) end, ok, Pids),
+ wait_dynamic_children(Child, Pids, Sz, undefined, EStack0);
+ infinity ->
+ ?SETS:fold(fun(P, _) -> exit(P, shutdown) end, ok, Pids),
+ wait_dynamic_children(Child, Pids, Sz, undefined, EStack0);
+ Time ->
+ ?SETS:fold(fun(P, _) -> exit(P, shutdown) end, ok, Pids),
+ TRef = erlang:start_timer(Time, self(), kill),
+ wait_dynamic_children(Child, Pids, Sz, TRef, EStack0)
+ end,
+ %% Unrool stacked errors and report them
+ ?DICT:fold(fun(Reason, Ls, _) ->
+ report_error(shutdown_error, Reason,
+ Child#child{pid=Ls}, SupName)
+ end, ok, EStack).
+
+
+monitor_dynamic_children(#child{restart_type=temporary}, Dynamics) ->
+ ?SETS:fold(fun(P, {Pids, EStack}) ->
+ case monitor_child(P) of
+ ok ->
+ {?SETS:add_element(P, Pids), EStack};
+ {error, normal} ->
+ {Pids, EStack};
+ {error, Reason} ->
+ {Pids, ?DICT:append(Reason, P, EStack)}
+ end
+ end, {?SETS:new(), ?DICT:new()}, Dynamics);
+monitor_dynamic_children(#child{restart_type=RType}, Dynamics) ->
+ ?DICT:fold(fun(P, _, {Pids, EStack}) ->
+ case monitor_child(P) of
+ ok ->
+ {?SETS:add_element(P, Pids), EStack};
+ {error, normal} when RType =/= permanent ->
+ {Pids, EStack};
+ {error, Reason} ->
+ {Pids, ?DICT:append(Reason, P, EStack)}
+ end
+ end, {?SETS:new(), ?DICT:new()}, Dynamics).
+
+
+wait_dynamic_children(_Child, _Pids, 0, undefined, EStack) ->
+ EStack;
+wait_dynamic_children(_Child, _Pids, 0, TRef, EStack) ->
+ %% If the timer has expired before its cancellation, we must empty the
+ %% mail-box of the 'timeout'-message.
+ erlang:cancel_timer(TRef),
+ receive
+ {timeout, TRef, kill} ->
+ EStack
+ after 0 ->
+ EStack
+ end;
+wait_dynamic_children(#child{shutdown=brutal_kill} = Child, Pids, Sz,
+ TRef, EStack) ->
+ receive
+ {'DOWN', _MRef, process, Pid, killed} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, EStack);
+
+ {'DOWN', _MRef, process, Pid, Reason} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, ?DICT:append(Reason, Pid, EStack))
+ end;
+wait_dynamic_children(#child{restart_type=RType} = Child, Pids, Sz,
+ TRef, EStack) ->
+ receive
+ {'DOWN', _MRef, process, Pid, shutdown} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, EStack);
+
+ {'DOWN', _MRef, process, Pid, normal} when RType =/= permanent ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, EStack);
+
+ {'DOWN', _MRef, process, Pid, Reason} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, ?DICT:append(Reason, Pid, EStack));
+
+ {timeout, TRef, kill} ->
+ ?SETS:fold(fun(P, _) -> exit(P, kill) end, ok, Pids),
+ wait_dynamic_children(Child, Pids, Sz-1, undefined, EStack)
+ end.
+
%%-----------------------------------------------------------------
%% Child/State manipulating functions.
%%-----------------------------------------------------------------
@@ -1054,7 +1157,7 @@ validRestartType(RestartType) -> throw({invalid_restart_type, RestartType}).
validShutdown(Shutdown, _)
when is_integer(Shutdown), Shutdown > 0 -> true;
-validShutdown(infinity, supervisor) -> true;
+validShutdown(infinity, _) -> true;
validShutdown(brutal_kill, _) -> true;
validShutdown(Shutdown, _) -> throw({invalid_shutdown, Shutdown}).
@@ -1135,6 +1238,13 @@ report_error(Error, Reason, Child, SupName) ->
error_logger:error_report(supervisor_report, ErrorMsg).
+extract_child(Child) when is_list(Child#child.pid) ->
+ [{nb_children, length(Child#child.pid)},
+ {name, Child#child.name},
+ {mfargs, Child#child.mfargs},
+ {restart_type, Child#child.restart_type},
+ {shutdown, Child#child.shutdown},
+ {child_type, Child#child.child_type}];
extract_child(Child) ->
[{pid, Child#child.pid},
{name, Child#child.name},
diff --git a/lib/stdlib/src/supervisor_bridge.erl b/lib/stdlib/src/supervisor_bridge.erl
index 555cb5a66f..e8405ab9a4 100644
--- a/lib/stdlib/src/supervisor_bridge.erl
+++ b/lib/stdlib/src/supervisor_bridge.erl
@@ -22,15 +22,14 @@
%% External exports
-export([start_link/2, start_link/3]).
--export([behaviour_info/1]).
%% Internal exports
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2]).
-export([code_change/3]).
-behaviour_info(callbacks) ->
- [{init,1},{terminate,2}];
-behaviour_info(_Other) ->
- undefined.
+-callback init(Args :: term()) ->
+ {ok, Pid :: pid(), State :: term()} | ignore | {error, Error :: term()}.
+-callback terminate(Reason :: (shutdown | term()), State :: term()) ->
+ Ignored :: term().
%%%-----------------------------------------------------------------
%%% This is a rewrite of supervisor_bridge from BS.3.
diff --git a/lib/stdlib/src/unicode.erl b/lib/stdlib/src/unicode.erl
index a5d9965ca2..e9b90befe6 100644
--- a/lib/stdlib/src/unicode.erl
+++ b/lib/stdlib/src/unicode.erl
@@ -73,7 +73,7 @@ characters_to_list_int(ML, Encoding) ->
_ ->
badarg
end,
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,_}|Rest]}} =
(catch erlang:error(new_stacktrace,
[ML,Encoding])),
erlang:raise(error,TheError,[{Mod,characters_to_list,L}|Rest])
@@ -109,7 +109,7 @@ characters_to_binary(ML) ->
_ ->
badarg
end,
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,_}|Rest]}} =
(catch erlang:error(new_stacktrace,
[ML])),
erlang:raise(error,TheError,[{Mod,characters_to_binary,L}|Rest])
@@ -127,7 +127,7 @@ characters_to_binary_int(ML,InEncoding) ->
_ ->
badarg
end,
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,_}|Rest]}} =
(catch erlang:error(new_stacktrace,
[ML,InEncoding])),
erlang:raise(error,TheError,[{Mod,characters_to_binary,L}|Rest])
@@ -159,7 +159,7 @@ characters_to_binary(ML, latin1, Uni) when is_binary(ML) and ((Uni =:= utf8) or
_ ->
badarg
end,
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,_}|Rest]}} =
(catch erlang:error(new_stacktrace,
[ML,latin1,Uni])),
erlang:raise(error,TheError,
@@ -181,7 +181,7 @@ characters_to_binary(ML,Uni,latin1) when is_binary(ML) and ((Uni =:= utf8) or
_ ->
badarg
end,
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,_}|Rest]}} =
(catch erlang:error(new_stacktrace,
[ML,Uni,latin1])),
erlang:raise(error,TheError,
@@ -200,7 +200,7 @@ characters_to_binary(ML, InEncoding, OutEncoding) ->
_ ->
badarg
end,
- {'EXIT',{new_stacktrace,[{Mod,_,L}|Rest]}} =
+ {'EXIT',{new_stacktrace,[{Mod,_,L,_}|Rest]}} =
(catch erlang:error(new_stacktrace,
[ML,InEncoding,OutEncoding])),
erlang:raise(error,TheError,[{Mod,characters_to_binary,L}|Rest])