diff options
Diffstat (limited to 'lib/stdlib/src')
36 files changed, 1248 insertions, 725 deletions
diff --git a/lib/stdlib/src/base64.erl b/lib/stdlib/src/base64.erl index ebef998ee1..a14a72ac6d 100644 --- a/lib/stdlib/src/base64.erl +++ b/lib/stdlib/src/base64.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2009. All Rights Reserved. +%% Copyright Ericsson AB 2007-2011. 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 @@ -114,7 +114,7 @@ decode(List) when is_list(List) -> mime_decode(Bin) when is_binary(Bin) -> mime_decode_binary(<<>>, Bin); mime_decode(List) when is_list(List) -> - list_to_binary(mime_decode_l(List)). + mime_decode(list_to_binary(List)). -spec decode_l(string()) -> string(). @@ -125,7 +125,7 @@ decode_l(List) -> -spec mime_decode_l(string()) -> string(). mime_decode_l(List) -> - L = strip_illegal(List, []), + L = strip_illegal(List, [], 0), decode(L, []). %%------------------------------------------------------------------------- @@ -198,6 +198,9 @@ decode_binary(Result, <<>>) -> true = is_binary(Result), Result. +%% Skipping pad character if not at end of string. Also liberal about +%% excess padding and skipping of other illegal (non-base64 alphabet) +%% characters. See section 3.3 of RFC4648 mime_decode_binary(Result, <<0:8,T/bits>>) -> mime_decode_binary(Result, T); mime_decode_binary(Result0, <<C:8,T/bits>>) -> @@ -205,15 +208,27 @@ mime_decode_binary(Result0, <<C:8,T/bits>>) -> Bits when is_integer(Bits) -> mime_decode_binary(<<Result0/bits,Bits:6>>, T); eq -> - case tail_contains_equal(T) of - true -> - Split = byte_size(Result0) - 1, - <<Result:Split/bytes,_:4>> = Result0, - Result; - false -> - Split = byte_size(Result0) - 1, - <<Result:Split/bytes,_:2>> = Result0, - Result + case tail_contains_more(T, false) of + {<<>>, Eq} -> + %% No more valid data. + case bit_size(Result0) rem 8 of + 0 -> + %% '====' is not uncommon. + Result0; + 4 when Eq -> + %% enforce at least one more '=' only ignoring illegals and spacing + Split = byte_size(Result0) - 1, + <<Result:Split/bytes,_:4>> = Result0, + Result; + 2 -> + %% remove 2 bits + Split = byte_size(Result0) - 1, + <<Result:Split/bytes,_:2>> = Result0, + Result + end; + {More, _} -> + %% More valid data, skip the eq as invalid + mime_decode_binary(Result0, More) end; _ -> mime_decode_binary(Result0, T) @@ -262,31 +277,63 @@ strip_ws(<<$\s,T/binary>>) -> strip_ws(T); strip_ws(T) -> T. -strip_illegal([0|Cs], A) -> - strip_illegal(Cs, A); -strip_illegal([C|Cs], A) -> +%% Skipping pad character if not at end of string. Also liberal about +%% excess padding and skipping of other illegal (non-base64 alphabet) +%% characters. See section 3.3 of RFC4648 +strip_illegal([], A, _Cnt) -> + A; +strip_illegal([0|Cs], A, Cnt) -> + strip_illegal(Cs, A, Cnt); +strip_illegal([C|Cs], A, Cnt) -> case element(C, ?DECODE_MAP) of - bad -> strip_illegal(Cs, A); - ws -> strip_illegal(Cs, A); - eq -> strip_illegal_end(Cs, [$=|A]); - _ -> strip_illegal(Cs, [C|A]) - end; -strip_illegal([], A) -> A. + bad -> + strip_illegal(Cs, A, Cnt); + ws -> + strip_illegal(Cs, A, Cnt); + eq -> + case {tail_contains_more(Cs, false), Cnt rem 4} of + {{[], _}, 0} -> + A; %% Ignore extra = + {{[], true}, 2} -> + [$=|[$=|A]]; %% 'XX==' + {{[], _}, 3} -> + [$=|A]; %% 'XXX=' + {{[H|T], _}, _} -> + %% more data, skip equals + strip_illegal(T, [H|A], Cnt+1) + end; + _ -> + strip_illegal(Cs, [C|A], Cnt+1) + end. -strip_illegal_end([0|Cs], A) -> - strip_illegal_end(Cs, A); -strip_illegal_end([C|Cs], A) -> +%% Search the tail for more valid data and remember if we saw +%% another equals along the way. +tail_contains_more([], Eq) -> + {[], Eq}; +tail_contains_more(<<>>, Eq) -> + {<<>>, Eq}; +tail_contains_more([C|T]=More, Eq) -> case element(C, ?DECODE_MAP) of - bad -> strip_illegal(Cs, A); - ws -> strip_illegal(Cs, A); - eq -> [C|A]; - _ -> strip_illegal(Cs, [C|A]) + bad -> + tail_contains_more(T, Eq); + ws -> + tail_contains_more(T, Eq); + eq -> + tail_contains_more(T, true); + _ -> + {More, Eq} end; -strip_illegal_end([], A) -> A. - -tail_contains_equal(<<$=,_/binary>>) -> true; -tail_contains_equal(<<_,T/binary>>) -> tail_contains_equal(T); -tail_contains_equal(<<>>) -> false. +tail_contains_more(<<C:8,T/bits>> =More, Eq) -> + case element(C, ?DECODE_MAP) of + bad -> + tail_contains_more(T, Eq); + ws -> + tail_contains_more(T, Eq); + eq -> + tail_contains_more(T, true); + _ -> + {More, Eq} + end. %% accessors b64e(X) -> diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl index e612bf71e7..74d4ad3da7 100644 --- a/lib/stdlib/src/beam_lib.erl +++ b/lib/stdlib/src/beam_lib.erl @@ -19,6 +19,10 @@ -module(beam_lib). -behaviour(gen_server). +%% Avoid warning for local function error/1 clashing with autoimported BIF. +-compile({no_auto_import,[error/1]}). +%% Avoid warning for local function error/2 clashing with autoimported BIF. +-compile({no_auto_import,[error/2]}). -export([info/1, cmp/2, cmp_dirs/2, diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl index e05a1c787f..235ea939a8 100644 --- a/lib/stdlib/src/c.erl +++ b/lib/stdlib/src/c.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. 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 @@ -20,6 +20,8 @@ %% Utilities to use from shell. +%% Avoid warning for local function error/2 clashing with autoimported BIF. +-compile({no_auto_import,[error/2]}). -export([help/0,lc/1,c/1,c/2,nc/1,nc/2, nl/1,l/1,i/0,i/1,ni/0, y/1, y/2, lc_batch/0, lc_batch/1, @@ -40,31 +42,31 @@ -spec help() -> 'ok'. help() -> - format("bt(Pid) -- stack backtrace for a process\n" - "c(File) -- compile and load code in <File>\n" - "cd(Dir) -- change working directory\n" - "flush() -- flush any messages sent to the shell\n" - "help() -- help info\n" - "i() -- information about the system\n" - "ni() -- information about the networked system\n" - "i(X,Y,Z) -- information about pid <X,Y,Z>\n" - "l(Module) -- load or reload module\n" - "lc([File]) -- compile a list of Erlang modules\n" - "ls() -- list files in the current directory\n" - "ls(Dir) -- list files in directory <Dir>\n" - "m() -- which modules are loaded\n" - "m(Mod) -- information about module <Mod>\n" - "memory() -- memory allocation information\n" - "memory(T) -- memory allocation information of type <T>\n" - "nc(File) -- compile and load code in <File> on all nodes\n" - "nl(Module) -- load module on all nodes\n" - "pid(X,Y,Z) -- convert X,Y,Z to a Pid\n" - "pwd() -- print working directory\n" - "q() -- quit - shorthand for init:stop()\n" - "regs() -- information about registered processes\n" - "nregs() -- information about all registered processes\n" - "xm(M) -- cross reference check a module\n" - "y(File) -- generate a Yecc parser\n"). + io:put_chars(<<"bt(Pid) -- stack backtrace for a process\n" + "c(File) -- compile and load code in <File>\n" + "cd(Dir) -- change working directory\n" + "flush() -- flush any messages sent to the shell\n" + "help() -- help info\n" + "i() -- information about the system\n" + "ni() -- information about the networked system\n" + "i(X,Y,Z) -- information about pid <X,Y,Z>\n" + "l(Module) -- load or reload module\n" + "lc([File]) -- compile a list of Erlang modules\n" + "ls() -- list files in the current directory\n" + "ls(Dir) -- list files in directory <Dir>\n" + "m() -- which modules are loaded\n" + "m(Mod) -- information about module <Mod>\n" + "memory() -- memory allocation information\n" + "memory(T) -- memory allocation information of type <T>\n" + "nc(File) -- compile and load code in <File> on all nodes\n" + "nl(Module) -- load module on all nodes\n" + "pid(X,Y,Z) -- convert X,Y,Z to a Pid\n" + "pwd() -- print working directory\n" + "q() -- quit - shorthand for init:stop()\n" + "regs() -- information about registered processes\n" + "nregs() -- information about all registered processes\n" + "xm(M) -- cross reference check a module\n" + "y(File) -- generate a Yecc parser\n">>). %% c(FileName) %% Compile a file/module. @@ -657,7 +659,7 @@ portformat(Name, Id, Cmd) -> pwd() -> case file:get_cwd() of {ok, Str} -> - ok = io:format("~s\n", [Str]); + ok = io:format("~ts\n", [fixup_one_bin(Str)]); {error, _} -> ok = io:format("Cannot determine current directory\n") end. @@ -682,11 +684,27 @@ ls() -> ls(Dir) -> case file:list_dir(Dir) of {ok, Entries} -> - ls_print(sort(Entries)); + ls_print(sort(fixup_bin(Entries))); {error,_E} -> format("Invalid directory\n") end. +fixup_one_bin(X) when is_binary(X) -> + L = binary_to_list(X), + [ if + El > 127 -> + $?; + true -> + El + end || El <- L]; +fixup_one_bin(X) -> + X. +fixup_bin([H|T]) -> + [fixup_one_bin(H) | fixup_bin(T)]; +fixup_bin([]) -> + []. + + ls_print([]) -> ok; ls_print(L) -> Width = min([max(lengths(L, [])), 40]) + 5, @@ -696,7 +714,7 @@ ls_print(X, Width, Len) when Width + Len >= 80 -> io:nl(), ls_print(X, Width, 0); ls_print([H|T], Width, Len) -> - io:format("~-*s",[Width,H]), + io:format("~-*ts",[Width,H]), ls_print(T, Width, Len+Width); ls_print([], _, _) -> io:nl(). diff --git a/lib/stdlib/src/calendar.erl b/lib/stdlib/src/calendar.erl index ddc0666f77..33725d999c 100644 --- a/lib/stdlib/src/calendar.erl +++ b/lib/stdlib/src/calendar.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 @@ -28,6 +28,8 @@ gregorian_days_to_date/1, gregorian_seconds_to_datetime/1, is_leap_year/1, + iso_week_number/0, + iso_week_number/1, last_day_of_the_month/2, local_time/0, local_time_to_universal_time/1, @@ -70,6 +72,7 @@ -type second() :: 0..59. -type daynum() :: 1..7. -type ldom() :: 28 | 29 | 30 | 31. % last day of month +-type weeknum() :: 1..53. -type t_now() :: {non_neg_integer(),non_neg_integer(),non_neg_integer()}. @@ -77,6 +80,7 @@ -type t_time() :: {hour(),minute(),second()}. -type t_datetime() :: {t_date(),t_time()}. -type t_datetime1970() :: {{year1970(),month(),day()},t_time()}. +-type t_yearweeknum() :: {year(),weeknum()}. %%---------------------------------------------------------------------- @@ -172,6 +176,42 @@ is_leap_year1(Year) when Year rem 400 =:= 0 -> is_leap_year1(_) -> false. +%% +%% Calculates the iso week number for the current date. +%% +-spec iso_week_number() -> t_yearweeknum(). +iso_week_number() -> + {Date, _} = local_time(), + iso_week_number(Date). + + +%% +%% Calculates the iso week number for the given date. +%% +-spec iso_week_number(t_date()) -> t_yearweeknum(). +iso_week_number({Year, Month, Day}) -> + D = date_to_gregorian_days({Year, Month, Day}), + W01_1_Year = gregorian_days_of_iso_w01_1(Year), + W01_1_NextYear = gregorian_days_of_iso_w01_1(Year + 1), + if W01_1_Year =< D andalso D < W01_1_NextYear -> + % Current Year Week 01..52(,53) + {Year, (D - W01_1_Year) div 7 + 1}; + D < W01_1_Year -> + % Previous Year 52 or 53 + PWN = case day_of_the_week(Year - 1, 1, 1) of + 4 -> 53; + _ -> case day_of_the_week(Year - 1, 12, 31) of + 4 -> 53; + _ -> 52 + end + end, + {Year - 1, PWN}; + W01_1_NextYear =< D -> + % Next Year, Week 01 + {Year + 1, 1} + end. + + %% last_day_of_the_month(Year, Month) %% %% Returns the number of days in a month. @@ -377,6 +417,19 @@ dty(Y, D1, D2) when D1 < D2 -> dty(Y, _D1, D2) -> {Y, D2}. +%% +%% The Gregorian days of the iso week 01 day 1 for a given year. +%% +-spec gregorian_days_of_iso_w01_1(year()) -> non_neg_integer(). +gregorian_days_of_iso_w01_1(Year) -> + D0101 = date_to_gregorian_days(Year, 1, 1), + DOW = day_of_the_week(Year, 1, 1), + if DOW =< 4 -> + D0101 - DOW + 1; + true -> + D0101 + 7 - DOW + 1 + end. + %% year_day_to_date(Year, DayOfYear) = {Month, DayOfMonth} %% %% Note: 1 is the first day of the month. diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl index 4584b8184f..6c91f1efb7 100644 --- a/lib/stdlib/src/dets.erl +++ b/lib/stdlib/src/dets.erl @@ -147,6 +147,7 @@ bin, % small chunk not consumed, or 'eof' at end-of-file alloc, % the part of the file not yet scanned, mostly a binary tab, + proc, % the pid of the Dets process match_program % true | compiled_match_spec() | undefined }). @@ -208,8 +209,6 @@ all() -> bchunk(Tab, start) -> badarg(treq(Tab, {bchunk_init, Tab}), [Tab, start]); -bchunk(Tab, #dets_cont{bin = eof, tab = Tab}) -> - '$end_of_table'; bchunk(Tab, #dets_cont{what = bchunk, tab = Tab} = State) -> badarg(treq(Tab, {bchunk, State}), [Tab, State]); bchunk(Tab, Term) -> @@ -722,11 +721,14 @@ init_chunk_match(Tab, Pat, What, N) when is_integer(N), N >= 0; N =:= default -> case compile_match_spec(What, Pat) of {Spec, MP} -> - case req(dets_server:get_pid(Tab), {match, MP, Spec, N}) of + Proc = dets_server:get_pid(Tab), + case req(Proc, {match, MP, Spec, N}) of {done, L} -> - {L, #dets_cont{tab = Tab, what = What, bin = eof}}; + {L, #dets_cont{tab = Tab, proc = Proc, what = What, + bin = eof}}; {cont, State} -> - chunk_match(State#dets_cont{what = What, tab = Tab}); + chunk_match(State#dets_cont{what = What, tab = Tab, + proc = Proc}); Error -> Error end; @@ -736,34 +738,28 @@ init_chunk_match(Tab, Pat, What, N) when is_integer(N), N >= 0; init_chunk_match(_Tab, _Pat, _What, _) -> badarg. -chunk_match(State) -> - case catch dets_server:get_pid(State#dets_cont.tab) of - {'EXIT', _Reason} -> - badarg; - _Proc when State#dets_cont.bin =:= eof -> - '$end_of_table'; - Proc -> - case req(Proc, {match_init, State}) of - {cont, {Bins, NewState}} -> - MP = NewState#dets_cont.match_program, - case catch do_foldl_bins(Bins, MP) of - {'EXIT', _} -> - case ets:is_compiled_ms(MP) of - true -> - Bad = dets_utils:bad_object(chunk_match, - Bins), - req(Proc, {corrupt, Bad}); - false -> - badarg - end; - [] -> - chunk_match(NewState); - Terms -> - {Terms, NewState} - end; - Error -> - Error - end +chunk_match(#dets_cont{proc = Proc}=State) -> + case req(Proc, {match_init, State}) of + '$end_of_table'=Reply -> + Reply; + {cont, {Bins, NewState}} -> + MP = NewState#dets_cont.match_program, + case catch do_foldl_bins(Bins, MP) of + {'EXIT', _} -> + case ets:is_compiled_ms(MP) of + true -> + Bad = dets_utils:bad_object(chunk_match, Bins), + req(Proc, {corrupt, Bad}); + false -> + badarg + end; + [] -> + chunk_match(NewState); + Terms -> + {Terms, NewState} + end; + Error -> + Error end. do_foldl_bins(Bins, true) -> @@ -1094,7 +1090,9 @@ do_apply_op(Op, From, Head, N) -> {N2, H2} when is_record(H2, head), is_integer(N2) -> open_file_loop(H2, N2); H2 when is_record(H2, head) -> - open_file_loop(H2, N) + open_file_loop(H2, N); + {{more,From1,Op1,N1}, NewHead} -> + do_apply_op(Op1, From1, NewHead, N1) catch exit:normal -> exit(normal); @@ -1363,37 +1361,35 @@ start_auto_save_timer(Head) -> %% lookup requests in parallel. Evalute delete_object, delete and %% insert as well. stream_op(Op, Pid, Pids, Head, N) -> - stream_op(Head, Pids, [], N, Pid, Op, Head#head.fixed). + #head{fixed = Fxd, update_mode = M} = Head, + stream_op(Head, Pids, [], N, Pid, Op, Fxd, M). -stream_loop(Head, Pids, C, N, false = Fxd) -> +stream_loop(Head, Pids, C, N, false = Fxd, M) -> receive ?DETS_CALL(From, Message) -> - stream_op(Head, Pids, C, N, From, Message, Fxd) + stream_op(Head, Pids, C, N, From, Message, Fxd, M) after 0 -> stream_end(Head, Pids, C, N, no_more) end; -stream_loop(Head, Pids, C, N, _Fxd) -> +stream_loop(Head, Pids, C, N, _Fxd, _M) -> stream_end(Head, Pids, C, N, no_more). -stream_op(Head, Pids, C, N, Pid, {lookup_keys,Keys}, Fxd) -> +stream_op(Head, Pids, C, N, Pid, {lookup_keys,Keys}, Fxd, M) -> NC = [{{lookup,Pid},Keys} | C], - stream_loop(Head, Pids, NC, N, Fxd); -stream_op(Head, Pids, C, N, Pid, {insert, _Objects} = Op, Fxd) -> - NC = [Op | C], - stream_loop(Head, [Pid | Pids], NC, N, Fxd); -stream_op(Head, Pids, C, N, Pid, {insert_new, _Objects} = Op, Fxd) -> + stream_loop(Head, Pids, NC, N, Fxd, M); +stream_op(Head, Pids, C, N, Pid, {insert, _Objects} = Op, Fxd, dirty = M) -> NC = [Op | C], - stream_loop(Head, [Pid | Pids], NC, N, Fxd); -stream_op(Head, Pids, C, N, Pid, {delete_key, _Keys} = Op, Fxd) -> + stream_loop(Head, [Pid | Pids], NC, N, Fxd, M); +stream_op(Head, Pids, C, N, Pid, {delete_key, _Keys} = Op, Fxd, dirty = M) -> NC = [Op | C], - stream_loop(Head, [Pid | Pids], NC, N, Fxd); -stream_op(Head, Pids, C, N, Pid, {delete_object, _Objects} = Op, Fxd) -> + stream_loop(Head, [Pid | Pids], NC, N, Fxd, M); +stream_op(Head, Pids, C, N, Pid, {delete_object, _Os} = Op, Fxd, dirty = M) -> NC = [Op | C], - stream_loop(Head, [Pid | Pids], NC, N, Fxd); -stream_op(Head, Pids, C, N, Pid, {member, Key}, Fxd) -> + stream_loop(Head, [Pid | Pids], NC, N, Fxd, M); +stream_op(Head, Pids, C, N, Pid, {member, Key}, Fxd, M) -> NC = [{{lookup,[Pid]},[Key]} | C], - stream_loop(Head, Pids, NC, N, Fxd); -stream_op(Head, Pids, C, N, Pid, Op, _Fxd) -> + stream_loop(Head, Pids, NC, N, Fxd, M); +stream_op(Head, Pids, C, N, Pid, Op, _Fxd, _M) -> stream_end(Head, Pids, C, N, {Pid,Op}). stream_end(Head, Pids0, C, N, Next) -> @@ -1438,7 +1434,7 @@ stream_end2([], Ps, no_more, N, C, Head, _Reply) -> penalty(Head, Ps, C), {N, Head}; stream_end2([], _Ps, {From, Op}, N, _C, Head, _Reply) -> - apply_op(Op, From, Head, N). + {{more,From,Op,N},Head}. penalty(H, _Ps, _C) when H#head.fixed =:= false -> ok; @@ -1578,13 +1574,18 @@ do_bchunk_init(Head, Tab) -> L = dets_utils:all_allocated(H2), C0 = #dets_cont{no_objs = default, bin = <<>>, alloc = L}, BinParms = term_to_binary(Parms), - {H2, {C0#dets_cont{tab = Tab, what = bchunk}, [BinParms]}} + {H2, {C0#dets_cont{tab = Tab, proc = self(),what = bchunk}, + [BinParms]}} end; {NewHead, _} = HeadError when is_record(NewHead, head) -> HeadError end. %% -> {NewHead, {cont(), [binary()]}} | {NewHead, Error} +do_bchunk(Head, #dets_cont{proc = Proc}) when Proc =/= self() -> + {Head, badarg}; +do_bchunk(Head, #dets_cont{bin = eof}) -> + {Head, '$end_of_table'}; do_bchunk(Head, State) -> case dets_v9:read_bchunks(Head, State#dets_cont.alloc) of {error, Reason} -> @@ -1954,6 +1955,8 @@ flookup_keys(Head, Keys) -> end. %% -> {NewHead, Result} +fmatch_init(Head, #dets_cont{bin = eof}) -> + {Head, '$end_of_table'}; fmatch_init(Head, C) -> case scan(Head, C) of {scan_error, Reason} -> diff --git a/lib/stdlib/src/dets.hrl b/lib/stdlib/src/dets.hrl index 6e59770753..fbffc9d008 100644 --- a/lib/stdlib/src/dets.hrl +++ b/lib/stdlib/src/dets.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2009. All Rights Reserved. +%% Copyright Ericsson AB 2001-2010. 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 @@ -18,7 +18,7 @@ %% -define(DEFAULT_MIN_NO_SLOTS, 256). --define(DEFAULT_MAX_NO_SLOTS, 2*1024*1024). +-define(DEFAULT_MAX_NO_SLOTS, 32*1024*1024). -define(DEFAULT_AUTOSAVE, 3). % minutes -define(DEFAULT_CACHE, {3000, 14000}). % {delay,size} in {milliseconds,bytes} diff --git a/lib/stdlib/src/dets_v8.erl b/lib/stdlib/src/dets_v8.erl index 1f9f84cd27..af36958c1c 100644 --- a/lib/stdlib/src/dets_v8.erl +++ b/lib/stdlib/src/dets_v8.erl @@ -1074,6 +1074,8 @@ wl([], _Type, Del, Lookup, I, Objs) -> [{Del, Lookup, Objs} | I]. %% -> {NewHead, ok} | {NewHead, Error} +may_grow(Head, 0, once) -> + {Head, ok}; may_grow(Head, _N, _How) when Head#head.fixed =/= false -> {Head, ok}; may_grow(#head{access = read}=Head, _N, _How) -> diff --git a/lib/stdlib/src/dets_v9.erl b/lib/stdlib/src/dets_v9.erl index 53238e962f..132af01f79 100644 --- a/lib/stdlib/src/dets_v9.erl +++ b/lib/stdlib/src/dets_v9.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2009. All Rights Reserved. +%% Copyright Ericsson AB 2001-2010. 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 @@ -1908,6 +1908,9 @@ write_cache(Head) -> end. %% -> {NewHead, ok} | {NewHead, Error} +may_grow(Head, 0, once) -> + %% Do not re-hash if there is a chance that the file is not dirty. + {Head, ok}; may_grow(Head, _N, _How) when Head#head.fixed =/= false -> {Head, ok}; may_grow(#head{access = read}=Head, _N, _How) -> diff --git a/lib/stdlib/src/digraph.erl b/lib/stdlib/src/digraph.erl index b5f52da921..5edc868a94 100644 --- a/lib/stdlib/src/digraph.erl +++ b/lib/stdlib/src/digraph.erl @@ -36,7 +36,7 @@ -export([get_short_path/3, get_short_cycle/2]). --export_type([d_type/0, vertex/0]). +-export_type([digraph/0, d_type/0, vertex/0]). -record(digraph, {vtab = notable :: ets:tab(), etab = notable :: ets:tab(), diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index 81b2431f40..e5ccaddbb4 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -33,7 +33,9 @@ %% Epp state record. -record(epp, {file, %Current file location, %Current location + delta, %Offset from Location (-file) name="", %Current file name + name2="", %-"-, modified by -file istk=[], %Ifdef stack sstk=[], %State stack path=[], %Include-path @@ -234,8 +236,8 @@ init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) -> case user_predef(Pdm, Ms0) of {ok,Ms1} -> epp_reply(Pid, {ok,self()}), - St = #epp{file=File, location=AtLocation, name=Name, - path=Path, macs=Ms1, pre_opened = Pre}, + St = #epp{file=File, location=AtLocation, delta=0, name=Name, + name2=Name, path=Path, macs=Ms1, pre_opened = Pre}, From = wait_request(St), enter_file_reply(From, Name, AtLocation, AtLocation), wait_req_scan(St); @@ -358,8 +360,8 @@ enter_file2(NewF, Pname, From, St, AtLocation, ExtraPath) -> enter_file_reply(From, Pname, Loc, AtLocation), Ms = dict:store({atom,'FILE'}, {none,[{string,Loc,Pname}]}, St#epp.macs), Path = St#epp.path ++ ExtraPath, - #epp{location=Loc,file=NewF, - name=Pname,sstk=[St|St#epp.sstk],path=Path,macs=Ms}. + #epp{file=NewF,location=Loc,name=Pname,delta=0, + sstk=[St|St#epp.sstk],path=Path,macs=Ms}. enter_file_reply(From, Name, Location, AtLocation) -> Attr = loc_attr(AtLocation), @@ -391,14 +393,23 @@ leave_file(From, St) -> case St#epp.sstk of [OldSt|Sts] -> close_file(St), - enter_file_reply(From, OldSt#epp.name, - OldSt#epp.location, OldSt#epp.location), + #epp{location=OldLoc, delta=Delta, name=OldName, + name2=OldName2} = OldSt, + CurrLoc = add_line(OldLoc, Delta), Ms = dict:store({atom,'FILE'}, - {none, - [{string,OldSt#epp.location, - OldSt#epp.name}]}, + {none,[{string,CurrLoc,OldName2}]}, St#epp.macs), - wait_req_scan(OldSt#epp{sstk=Sts,macs=Ms}); + NextSt = OldSt#epp{sstk=Sts,macs=Ms}, + enter_file_reply(From, OldName, CurrLoc, CurrLoc), + case OldName2 =:= OldName of + true -> + From; + false -> + NFrom = wait_request(NextSt), + enter_file_reply(NFrom, OldName2, OldLoc, + neg_line(CurrLoc)) + end, + wait_req_scan(NextSt); [] -> epp_reply(From, {eof,St#epp.location}), wait_req_scan(St) @@ -768,7 +779,8 @@ scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp}, Ms = dict:store({atom,'FILE'}, {none,[{string,1,Name}]}, St#epp.macs), Locf = loc(Tf), NewLoc = new_location(Ln, St#epp.location, Locf), - wait_req_scan(St#epp{name=Name,location=NewLoc,macs=Ms}); + Delta = abs(get_line(element(2, Tf)))-Ln + St#epp.delta, + wait_req_scan(St#epp{name2=Name,location=NewLoc,delta=Delta,macs=Ms}); scan_file(_Toks, Tf, From, St) -> epp_reply(From, {error,{loc(Tf),epp,{bad,file}}}), wait_req_scan(St). @@ -1132,6 +1144,9 @@ neg_line(L) -> abs_line(L) -> erl_scan:set_attribute(line, L, fun(Line) -> abs(Line) end). +add_line(L, Offset) -> + erl_scan:set_attribute(line, L, fun(Line) -> Line+Offset end). + start_loc(Line) when is_integer(Line) -> 1; start_loc({_Line, _Column}) -> @@ -1191,10 +1206,10 @@ interpret_file_attr([{attribute,Loc,file,{File,Line}}=Form | Forms], %% -include or -include_lib % true = L =:= Line, case Fs of - [_, Delta1, File | Fs1] -> % end of included file - [Form | interpret_file_attr(Forms, Delta1, [File | Fs1])]; + [_, File | Fs1] -> % end of included file + [Form | interpret_file_attr(Forms, 0, [File | Fs1])]; _ -> % start of included file - [Form | interpret_file_attr(Forms, 0, [File, Delta | Fs])] + [Form | interpret_file_attr(Forms, 0, [File | Fs])] end end; interpret_file_attr([Form0 | Forms], Delta, Fs) -> diff --git a/lib/stdlib/src/erl_internal.erl b/lib/stdlib/src/erl_internal.erl index bf6e5bc5ca..b30b02a96f 100644 --- a/lib/stdlib/src/erl_internal.erl +++ b/lib/stdlib/src/erl_internal.erl @@ -247,10 +247,14 @@ bif(check_process_code, 2) -> true; bif(concat_binary, 1) -> true; bif(date, 0) -> true; bif(delete_module, 1) -> true; +bif(demonitor, 1) -> true; +bif(demonitor, 2) -> true; bif(disconnect_node, 1) -> true; bif(element, 2) -> true; bif(erase, 0) -> true; bif(erase, 1) -> true; +bif(error, 1) -> true; +bif(error, 2) -> true; bif(exit, 1) -> true; bif(exit, 2) -> true; bif(float, 1) -> true; @@ -266,6 +270,7 @@ bif(halt, 0) -> true; bif(halt, 1) -> true; bif(hd, 1) -> true; bif(integer_to_list, 1) -> true; +bif(integer_to_list, 2) -> true; bif(iolist_size, 1) -> true; bif(iolist_to_binary, 1) -> true; bif(is_alive, 0) -> true; @@ -295,6 +300,7 @@ bif(list_to_bitstring, 1) -> true; bif(list_to_existing_atom, 1) -> true; bif(list_to_float, 1) -> true; bif(list_to_integer, 1) -> true; +bif(list_to_integer, 2) -> true; bif(list_to_pid, 1) -> true; bif(list_to_tuple, 1) -> true; bif(load_module, 2) -> true; @@ -302,6 +308,8 @@ bif(make_ref, 0) -> true; bif(max,2) -> true; bif(min,2) -> true; bif(module_loaded, 1) -> true; +bif(monitor, 2) -> true; +bif(monitor, 3) -> true; bif(monitor_node, 2) -> true; bif(node, 0) -> true; bif(node, 1) -> true; diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 077621ac91..cfb9f0ca98 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. 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 @@ -60,6 +60,10 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> (_Opt, Def) -> Def end, Default, Opts). +%% The maximum number of arguments allowed for a function. + +-define(MAX_ARGUMENTS, 255). + %% The error and warning info structures, {Line,Module,Descriptor}, %% are kept in their seperate fields in the lint state record together %% with the name of the file (when a new file is entered, marked by @@ -226,6 +230,9 @@ format_error({obsolete_guard, {F, A}}) -> io_lib:format("~p/~p obsolete", [F, A]); format_error({reserved_for_future,K}) -> io_lib:format("atom ~w: future reserved keyword - rename or quote", [K]); +format_error({too_many_arguments,Arity}) -> + io_lib:format("too many arguments (~w) - " + "maximum allowed is ~w", [Arity,?MAX_ARGUMENTS]); %% --- patterns and guards --- format_error(illegal_pattern) -> "illegal pattern"; format_error(illegal_bin_pattern) -> @@ -311,6 +318,8 @@ format_error({ill_defined_behaviour_callbacks,Behaviour}) -> %% --- types and specs --- format_error({singleton_typevar, Name}) -> io_lib:format("type variable ~w is only used once (is unbound)", [Name]); +format_error({bad_export_type, _ETs}) -> + io_lib:format("bad export_type declaration", []); format_error({duplicated_export_type, {T, A}}) -> io_lib:format("type ~w/~w already exported", [T, A]); format_error({undefined_type, {TypeName, Arity}}) -> @@ -1128,8 +1137,7 @@ export(Line, Es, #lint{exports = Es0, called = Called} = St0) -> export_type(Line, ETs, #lint{usage = Usage, exp_types = ETs0} = St0) -> UTs0 = Usage#usage.used_types, - {ETs1,UTs1,St1} = - foldl(fun (TA, {E,U,St2}) -> + try foldl(fun ({T,A}=TA, {E,U,St2}) when is_atom(T), is_integer(A) -> St = case gb_sets:is_element(TA, E) of true -> Warn = {duplicated_export_type,TA}, @@ -1139,8 +1147,13 @@ export_type(Line, ETs, #lint{usage = Usage, exp_types = ETs0} = St0) -> end, {gb_sets:add_element(TA, E), dict:store(TA, Line, U), St} end, - {ETs0,UTs0,St0}, ETs), - St1#lint{usage = Usage#usage{used_types = UTs1}, exp_types = ETs1}. + {ETs0,UTs0,St0}, ETs) of + {ETs1,UTs1,St1} -> + St1#lint{usage = Usage#usage{used_types = UTs1}, exp_types = ETs1} + catch + error:_ -> + add_error(Line, {bad_export_type, ETs}, St0) + end. -type import() :: {module(), [fa()]} | module(). -spec import(line(), import(), lint_state()) -> lint_state(). @@ -1301,13 +1314,18 @@ define_function(Line, Name, Arity, St0) -> true -> add_error(Line, {redefine_function,NA}, St1); false -> - St2 = St1#lint{defined=gb_sets:add_element(NA, St1#lint.defined)}, - case imported(Name, Arity, St2) of - {yes,_M} -> add_error(Line, {define_import,NA}, St2); - no -> St2 + St2 = function_check_max_args(Line, Arity, St1), + St3 = St2#lint{defined=gb_sets:add_element(NA, St2#lint.defined)}, + case imported(Name, Arity, St3) of + {yes,_M} -> add_error(Line, {define_import,NA}, St3); + no -> St3 end end. +function_check_max_args(Line, Arity, St) when Arity > ?MAX_ARGUMENTS -> + add_error(Line, {too_many_arguments,Arity}, St); +function_check_max_args(_, _, St) -> St. + %% clauses([Clause], VarTable, State) -> {VarTable, State}. clauses(Cs, Vt, St) -> diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index bb4b18cf9b..15b45d72f4 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. 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 @@ -757,7 +757,8 @@ record_fields([{typed,Expr,TypeInfo}|Fields]) -> {atom, La, _} -> case has_undefined(TypeInfo) of false -> - lift_unions(abstract(undefined, La), TypeInfo); + TypeInfo2 = maybe_add_paren(TypeInfo), + lift_unions(abstract(undefined, La), TypeInfo2); true -> TypeInfo end @@ -778,6 +779,11 @@ has_undefined({type,_,union,Ts}) -> has_undefined(_) -> false. +maybe_add_paren({ann_type,L,T}) -> + {paren_type,L,[{ann_type,L,T}]}; +maybe_add_paren(T) -> + T. + term(Expr) -> try normalise(Expr) catch _:_R -> ret_err(?line(Expr), "bad attribute") diff --git a/lib/stdlib/src/erl_posix_msg.erl b/lib/stdlib/src/erl_posix_msg.erl index fe981b23a7..909cc1d102 100644 --- a/lib/stdlib/src/erl_posix_msg.erl +++ b/lib/stdlib/src/erl_posix_msg.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2010. 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 @@ -24,143 +24,146 @@ -spec message(atom()) -> string(). -message(e2big) -> "argument list too long"; -message(eacces) -> "permission denied"; -message(eaddrinuse) -> "address already in use"; -message(eaddrnotavail) -> "can't assign requested address"; -message(eadv) -> "advertise error"; -message(eafnosupport) -> "address family not supported by protocol family"; -message(eagain) -> "resource temporarily unavailable"; -message(ealign) -> "EALIGN"; -message(ealready) -> "operation already in progress"; -message(ebade) -> "bad exchange descriptor"; -message(ebadf) -> "bad file number"; -message(ebadfd) -> "file descriptor in bad state"; -message(ebadmsg) -> "not a data message"; -message(ebadr) -> "bad request descriptor"; -message(ebadrpc) -> "RPC structure is bad"; -message(ebadrqc) -> "bad request code"; -message(ebadslt) -> "invalid slot"; -message(ebfont) -> "bad font file format"; -message(ebusy) -> "file busy"; -message(echild) -> "no children"; -message(echrng) -> "channel number out of range"; -message(ecomm) -> "communication error on send"; -message(econnaborted) -> "software caused connection abort"; -message(econnrefused) -> "connection refused"; -message(econnreset) -> "connection reset by peer"; -message(edeadlk) -> "resource deadlock avoided"; -message(edeadlock) -> "resource deadlock avoided"; -message(edestaddrreq) -> "destination address required"; -message(edirty) -> "mounting a dirty fs w/o force"; -message(edom) -> "math argument out of range"; -message(edotdot) -> "cross mount point"; -message(edquot) -> "disk quota exceeded"; -message(eduppkg) -> "duplicate package name"; -message(eexist) -> "file already exists"; -message(efault) -> "bad address in system call argument"; -message(efbig) -> "file too large"; -message(ehostdown) -> "host is down"; -message(ehostunreach) -> "host is unreachable"; -message(eidrm) -> "identifier removed"; -message(einit) -> "initialization error"; -message(einprogress) -> "operation now in progress"; -message(eintr) -> "interrupted system call"; -message(einval) -> "invalid argument"; -message(eio) -> "I/O error"; -message(eisconn) -> "socket is already connected"; -message(eisdir) -> "illegal operation on a directory"; -message(eisnam) -> "is a name file"; -message(elbin) -> "ELBIN"; -message(el2hlt) -> "level 2 halted"; -message(el2nsync) -> "level 2 not synchronized"; -message(el3hlt) -> "level 3 halted"; -message(el3rst) -> "level 3 reset"; -message(elibacc) -> "can not access a needed shared library"; -message(elibbad) -> "accessing a corrupted shared library"; -message(elibexec) -> "can not exec a shared library directly"; -message(elibmax) -> - "attempting to link in more shared libraries than system limit"; -message(elibscn) -> ".lib section in a.out corrupted"; -message(elnrng) -> "link number out of range"; -message(eloop) -> "too many levels of symbolic links"; -message(emfile) -> "too many open files"; -message(emlink) -> "too many links"; -message(emsgsize) -> "message too long"; -message(emultihop) -> "multihop attempted"; -message(enametoolong) -> "file name too long"; -message(enavail) -> "not available"; -message(enet) -> "ENET"; -message(enetdown) -> "network is down"; -message(enetreset) -> "network dropped connection on reset"; -message(enetunreach) -> "network is unreachable"; -message(enfile) -> "file table overflow"; -message(enoano) -> "anode table overflow"; -message(enobufs) -> "no buffer space available"; -message(enocsi) -> "no CSI structure available"; -message(enodata) -> "no data available"; -message(enodev) -> "no such device"; -message(enoent) -> "no such file or directory"; -message(enoexec) -> "exec format error"; -message(enolck) -> "no locks available"; -message(enolink) -> "link has be severed"; -message(enomem) -> "not enough memory"; -message(enomsg) -> "no message of desired type"; -message(enonet) -> "machine is not on the network"; -message(enopkg) -> "package not installed"; -message(enoprotoopt) -> "bad proocol option"; -message(enospc) -> "no space left on device"; -message(enosr) -> "out of stream resources or not a stream device"; -message(enosym) -> "unresolved symbol name"; -message(enosys) -> "function not implemented"; -message(enotblk) -> "block device required"; -message(enotconn) -> "socket is not connected"; -message(enotdir) -> "not a directory"; -message(enotempty) -> "directory not empty"; -message(enotnam) -> "not a name file"; -message(enotsock) -> "socket operation on non-socket"; -message(enotsup) -> "operation not supported"; -message(enotty) -> "inappropriate device for ioctl"; -message(enotuniq) -> "name not unique on network"; -message(enxio) -> "no such device or address"; -message(eopnotsupp) -> "operation not supported on socket"; -message(eperm) -> "not owner"; -message(epfnosupport) -> "protocol family not supported"; -message(epipe) -> "broken pipe"; -message(eproclim) -> "too many processes"; -message(eprocunavail) -> "bad procedure for program"; -message(eprogmismatch) -> "program version wrong"; -message(eprogunavail) -> "RPC program not available"; -message(eproto) -> "protocol error"; -message(eprotonosupport) -> "protocol not suppored"; -message(eprototype) -> "protocol wrong type for socket"; -message(erange) -> "math result unrepresentable"; -message(erefused) -> "EREFUSED"; -message(eremchg) -> "remote address changed"; -message(eremdev) -> "remote device"; -message(eremote) -> "pathname hit remote file system"; -message(eremoteio) -> "remote i/o error"; -message(eremoterelease) -> "EREMOTERELEASE"; -message(erofs) -> "read-only file system"; -message(erpcmismatch) -> "RPC version is wrong"; -message(erremote) -> "object is remote"; -message(eshutdown) -> "can't send after socket shutdown"; -message(esocktnosupport) -> "socket type not supported"; -message(espipe) -> "invalid seek"; -message(esrch) -> "no such process"; -message(esrmnt) -> "srmount error"; -message(estale) -> "stale remote file handle"; -message(esuccess) -> "Error 0"; -message(etime) -> "timer expired"; -message(etimedout) -> "connection timed out"; -message(etoomanyrefs) -> "too many references: can't splice"; -message(etxtbsy) -> "text file or pseudo-device busy"; -message(euclean) -> "structure needs cleaning"; -message(eunatch) -> "protocol driver not attached"; -message(eusers) -> "too many users"; -message(eversion) -> "version mismatch"; -message(ewouldblock) -> "operation would block"; -message(exdev) -> "cross-domain link"; -message(exfull) -> "message tables full"; -message(nxdomain) -> "non-existing domain"; -message(_) -> "unknown POSIX error". +message(T) -> + binary_to_list(message_1(T)). + +message_1(e2big) -> <<"argument list too long">>; +message_1(eacces) -> <<"permission denied">>; +message_1(eaddrinuse) -> <<"address already in use">>; +message_1(eaddrnotavail) -> <<"can't assign requested address">>; +message_1(eadv) -> <<"advertise error">>; +message_1(eafnosupport) -> <<"address family not supported by protocol family">>; +message_1(eagain) -> <<"resource temporarily unavailable">>; +message_1(ealign) -> <<"EALIGN">>; +message_1(ealready) -> <<"operation already in progress">>; +message_1(ebade) -> <<"bad exchange descriptor">>; +message_1(ebadf) -> <<"bad file number">>; +message_1(ebadfd) -> <<"file descriptor in bad state">>; +message_1(ebadmsg) -> <<"not a data message">>; +message_1(ebadr) -> <<"bad request descriptor">>; +message_1(ebadrpc) -> <<"RPC structure is bad">>; +message_1(ebadrqc) -> <<"bad request code">>; +message_1(ebadslt) -> <<"invalid slot">>; +message_1(ebfont) -> <<"bad font file format">>; +message_1(ebusy) -> <<"file busy">>; +message_1(echild) -> <<"no children">>; +message_1(echrng) -> <<"channel number out of range">>; +message_1(ecomm) -> <<"communication error on send">>; +message_1(econnaborted) -> <<"software caused connection abort">>; +message_1(econnrefused) -> <<"connection refused">>; +message_1(econnreset) -> <<"connection reset by peer">>; +message_1(edeadlk) -> <<"resource deadlock avoided">>; +message_1(edeadlock) -> <<"resource deadlock avoided">>; +message_1(edestaddrreq) -> <<"destination address required">>; +message_1(edirty) -> <<"mounting a dirty fs w/o force">>; +message_1(edom) -> <<"math argument out of range">>; +message_1(edotdot) -> <<"cross mount point">>; +message_1(edquot) -> <<"disk quota exceeded">>; +message_1(eduppkg) -> <<"duplicate package name">>; +message_1(eexist) -> <<"file already exists">>; +message_1(efault) -> <<"bad address in system call argument">>; +message_1(efbig) -> <<"file too large">>; +message_1(ehostdown) -> <<"host is down">>; +message_1(ehostunreach) -> <<"host is unreachable">>; +message_1(eidrm) -> <<"identifier removed">>; +message_1(einit) -> <<"initialization error">>; +message_1(einprogress) -> <<"operation now in progress">>; +message_1(eintr) -> <<"interrupted system call">>; +message_1(einval) -> <<"invalid argument">>; +message_1(eio) -> <<"I/O error">>; +message_1(eisconn) -> <<"socket is already connected">>; +message_1(eisdir) -> <<"illegal operation on a directory">>; +message_1(eisnam) -> <<"is a name file">>; +message_1(elbin) -> <<"ELBIN">>; +message_1(el2hlt) -> <<"level 2 halted">>; +message_1(el2nsync) -> <<"level 2 not synchronized">>; +message_1(el3hlt) -> <<"level 3 halted">>; +message_1(el3rst) -> <<"level 3 reset">>; +message_1(elibacc) -> <<"can not access a needed shared library">>; +message_1(elibbad) -> <<"accessing a corrupted shared library">>; +message_1(elibexec) -> <<"can not exec a shared library directly">>; +message_1(elibmax) -> + <<"attempting to link in more shared libraries than system limit">>; +message_1(elibscn) -> <<".lib section in a.out corrupted">>; +message_1(elnrng) -> <<"link number out of range">>; +message_1(eloop) -> <<"too many levels of symbolic links">>; +message_1(emfile) -> <<"too many open files">>; +message_1(emlink) -> <<"too many links">>; +message_1(emsgsize) -> <<"message too long">>; +message_1(emultihop) -> <<"multihop attempted">>; +message_1(enametoolong) -> <<"file name too long">>; +message_1(enavail) -> <<"not available">>; +message_1(enet) -> <<"ENET">>; +message_1(enetdown) -> <<"network is down">>; +message_1(enetreset) -> <<"network dropped connection on reset">>; +message_1(enetunreach) -> <<"network is unreachable">>; +message_1(enfile) -> <<"file table overflow">>; +message_1(enoano) -> <<"anode table overflow">>; +message_1(enobufs) -> <<"no buffer space available">>; +message_1(enocsi) -> <<"no CSI structure available">>; +message_1(enodata) -> <<"no data available">>; +message_1(enodev) -> <<"no such device">>; +message_1(enoent) -> <<"no such file or directory">>; +message_1(enoexec) -> <<"exec format error">>; +message_1(enolck) -> <<"no locks available">>; +message_1(enolink) -> <<"link has be severed">>; +message_1(enomem) -> <<"not enough memory">>; +message_1(enomsg) -> <<"no message of desired type">>; +message_1(enonet) -> <<"machine is not on the network">>; +message_1(enopkg) -> <<"package not installed">>; +message_1(enoprotoopt) -> <<"bad proocol option">>; +message_1(enospc) -> <<"no space left on device">>; +message_1(enosr) -> <<"out of stream resources or not a stream device">>; +message_1(enosym) -> <<"unresolved symbol name">>; +message_1(enosys) -> <<"function not implemented">>; +message_1(enotblk) -> <<"block device required">>; +message_1(enotconn) -> <<"socket is not connected">>; +message_1(enotdir) -> <<"not a directory">>; +message_1(enotempty) -> <<"directory not empty">>; +message_1(enotnam) -> <<"not a name file">>; +message_1(enotsock) -> <<"socket operation on non-socket">>; +message_1(enotsup) -> <<"operation not supported">>; +message_1(enotty) -> <<"inappropriate device for ioctl">>; +message_1(enotuniq) -> <<"name not unique on network">>; +message_1(enxio) -> <<"no such device or address">>; +message_1(eopnotsupp) -> <<"operation not supported on socket">>; +message_1(eperm) -> <<"not owner">>; +message_1(epfnosupport) -> <<"protocol family not supported">>; +message_1(epipe) -> <<"broken pipe">>; +message_1(eproclim) -> <<"too many processes">>; +message_1(eprocunavail) -> <<"bad procedure for program">>; +message_1(eprogmismatch) -> <<"program version wrong">>; +message_1(eprogunavail) -> <<"RPC program not available">>; +message_1(eproto) -> <<"protocol error">>; +message_1(eprotonosupport) -> <<"protocol not suppored">>; +message_1(eprototype) -> <<"protocol wrong type for socket">>; +message_1(erange) -> <<"math result unrepresentable">>; +message_1(erefused) -> <<"EREFUSED">>; +message_1(eremchg) -> <<"remote address changed">>; +message_1(eremdev) -> <<"remote device">>; +message_1(eremote) -> <<"pathname hit remote file system">>; +message_1(eremoteio) -> <<"remote i/o error">>; +message_1(eremoterelease) -> <<"EREMOTERELEASE">>; +message_1(erofs) -> <<"read-only file system">>; +message_1(erpcmismatch) -> <<"RPC version is wrong">>; +message_1(erremote) -> <<"object is remote">>; +message_1(eshutdown) -> <<"can't send after socket shutdown">>; +message_1(esocktnosupport) -> <<"socket type not supported">>; +message_1(espipe) -> <<"invalid seek">>; +message_1(esrch) -> <<"no such process">>; +message_1(esrmnt) -> <<"srmount error">>; +message_1(estale) -> <<"stale remote file handle">>; +message_1(esuccess) -> <<"Error 0">>; +message_1(etime) -> <<"timer expired">>; +message_1(etimedout) -> <<"connection timed out">>; +message_1(etoomanyrefs) -> <<"too many references: can't splice">>; +message_1(etxtbsy) -> <<"text file or pseudo-device busy">>; +message_1(euclean) -> <<"structure needs cleaning">>; +message_1(eunatch) -> <<"protocol driver not attached">>; +message_1(eusers) -> <<"too many users">>; +message_1(eversion) -> <<"version mismatch">>; +message_1(ewouldblock) -> <<"operation would block">>; +message_1(exdev) -> <<"cross-domain link">>; +message_1(exfull) -> <<"message tables full">>; +message_1(nxdomain) -> <<"non-existing domain">>; +message_1(_) -> <<"unknown POSIX error">>. diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index df4a20b833..66c80a45cb 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. 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 @@ -558,17 +558,11 @@ record_field({typed_record_field,{record_field,_,F,Val},Type}, Hook) -> Fl = lexpr(F, L, Hook), Vl = typed(lexpr(Val, R, Hook), Type), {list,[{cstep,[Fl,' ='],Vl}]}; -record_field({typed_record_field,Field,Type0}, Hook) -> - Type = remove_undefined(Type0), +record_field({typed_record_field,Field,Type}, Hook) -> typed(record_field(Field, Hook), Type); record_field({record_field,_,F}, Hook) -> lexpr(F, 0, Hook). -remove_undefined({type,L,union,[{atom,_,undefined}|T]}) -> - {type,L,union,T}; -remove_undefined(T) -> % cannot happen - T. - list({cons,_,H,T}, Es, Hook) -> list(T, [H|Es], Hook); list({nil,_}, Es, Hook) -> diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl index 99e454f593..d67617260e 100644 --- a/lib/stdlib/src/escript.erl +++ b/lib/stdlib/src/escript.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2010. All Rights Reserved. +%% Copyright Ericsson AB 2007-2011. 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 @@ -31,7 +31,7 @@ %%----------------------------------------------------------------------- --type mode() :: 'compile' | 'debug' | 'interpret' | 'run'. +-type mode() :: 'native' | 'compile' | 'debug' | 'interpret' | 'run'. -type source() :: 'archive' | 'beam' | 'text'. -record(state, {file :: file:filename(), @@ -304,7 +304,11 @@ parse_and_run(File, Args, Options) -> false -> case lists:member("i", Options) of true -> interpret; - false -> Mode + false -> + case lists:member("n", Options) of + true -> native; + false -> Mode + end end end end, @@ -321,6 +325,14 @@ parse_and_run(File, Args, Options) -> _Other -> fatal("There were compilation errors.") end; + native -> + case compile:forms(FormsOrBin, [report,native]) of + {ok, Module, BeamBin} -> + {module, Module} = code:load_binary(Module, File, BeamBin), + run(Module, Args); + _Other -> + fatal("There were compilation errors.") + end; debug -> case compile:forms(FormsOrBin, [report, debug_info]) of {ok,Module,BeamBin} -> @@ -570,9 +582,7 @@ parse_beam(S, File, HeaderSz, CheckOnly) -> forms_or_bin = Bin} end; {error, beam_lib, Reason} when is_tuple(Reason) -> - fatal(element(1, Reason)); - {error, beam_lib, Reason} -> - fatal(Reason) + fatal(element(1, Reason)) end. parse_source(S, File, Fd, StartLine, HeaderSz, CheckOnly) -> @@ -666,7 +676,7 @@ epp_parse_file2(Epp, S, Forms, Parsed) -> {attribute,Ln,mode,NewMode} -> S2 = S#state{mode = NewMode}, if - NewMode =:= compile; NewMode =:= interpret; NewMode =:= debug -> + NewMode =:= compile; NewMode =:= interpret; NewMode =:= debug; NewMode =:= native -> epp_parse_file(Epp, S2, [Form | Forms]); true -> Args = lists:flatten(io_lib:format("illegal mode attribute: ~p", [NewMode])), diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index 1d033f6f7b..6e6e949e2c 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -512,7 +512,7 @@ file2tab(File) -> file2tab(File, Opts) -> try - {ok,Verify} = parse_f2t_opts(Opts,false), + {ok,Verify,TabArg} = parse_f2t_opts(Opts,false,[]), Name = make_ref(), {ok, Major, Minor, FtOptions, MD5State, FullHeader, DLContext} = case disk_log:open([{name, Name}, @@ -540,7 +540,7 @@ file2tab(File, Opts) -> true -> ok end, - {ok, Tab, HeadCount} = create_tab(FullHeader), + {ok, Tab, HeadCount} = create_tab(FullHeader, TabArg), StrippedOptions = case Verify of true -> @@ -676,15 +676,17 @@ do_read_and_verify(ReadFun,InitState,Tab,FtOptions,HeadCount,Verify) -> {ok,Tab} end. -parse_f2t_opts([],Verify) -> - {ok,Verify}; -parse_f2t_opts([{verify, true}|T],_OV) -> - parse_f2t_opts(T,true); -parse_f2t_opts([{verify,false}|T],OV) -> - parse_f2t_opts(T,OV); -parse_f2t_opts([Unexpected|_],_) -> +parse_f2t_opts([],Verify,Tab) -> + {ok,Verify,Tab}; +parse_f2t_opts([{verify, true}|T],_OV,Tab) -> + parse_f2t_opts(T,true,Tab); +parse_f2t_opts([{verify,false}|T],OV,Tab) -> + parse_f2t_opts(T,OV,Tab); +parse_f2t_opts([{table,Tab}|T],OV,[]) -> + parse_f2t_opts(T,OV,Tab); +parse_f2t_opts([Unexpected|_],_,_) -> throw({unknown_option,Unexpected}); -parse_f2t_opts(Malformed,_) -> +parse_f2t_opts(Malformed,_,_) -> throw({malformed_option,Malformed}). count_mandatory([]) -> @@ -860,19 +862,28 @@ load_table(ReadFun, State, Tab) -> load_table(ReadFun, NewState, Tab) end. -create_tab(I) -> +create_tab(I, TabArg) -> {name, Name} = lists:keyfind(name, 1, I), {type, Type} = lists:keyfind(type, 1, I), {protection, P} = lists:keyfind(protection, 1, I), {named_table, Val} = lists:keyfind(named_table, 1, I), {keypos, _Kp} = Keypos = lists:keyfind(keypos, 1, I), {size, Sz} = lists:keyfind(size, 1, I), - try - Tab = ets:new(Name, [Type, P, Keypos | named_table(Val)]), - {ok, Tab, Sz} - catch - _:_ -> - throw(cannot_create_table) + Comp = case lists:keyfind(compressed, 1, I) of + {compressed, true} -> [compressed]; + {compressed, false} -> []; + false -> [] + end, + case TabArg of + [] -> + try + Tab = ets:new(Name, [Type, P, Keypos] ++ named_table(Val) ++ Comp), + {ok, Tab, Sz} + catch _:_ -> + throw(cannot_create_table) + end; + _ -> + {ok, TabArg, Sz} end. named_table(true) -> [named_table]; diff --git a/lib/stdlib/src/eval_bits.erl b/lib/stdlib/src/eval_bits.erl index 3671aecdcb..2cbd6cdae7 100644 --- a/lib/stdlib/src/eval_bits.erl +++ b/lib/stdlib/src/eval_bits.erl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2009. All Rights Reserved. +%% Copyright Ericsson AB 1999-2010. 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 @@ -19,6 +19,8 @@ %% -module(eval_bits). +%% Avoid warning for local function error/1 clashing with autoimported BIF. +-compile({no_auto_import,[error/1]}). -export([expr_grp/3,expr_grp/5,match_bits/6, match_bits/7,bin_gen/6]). diff --git a/lib/stdlib/src/file_sorter.erl b/lib/stdlib/src/file_sorter.erl index 3875eca39d..2a5b08b581 100644 --- a/lib/stdlib/src/file_sorter.erl +++ b/lib/stdlib/src/file_sorter.erl @@ -18,6 +18,8 @@ %% -module(file_sorter). +%% Avoid warning for local function error/2 clashing with autoimported BIF. +-compile({no_auto_import,[error/2]}). -export([sort/1, sort/2, sort/3, keysort/2, keysort/3, keysort/4, merge/2, merge/3, diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl index 5c5e084e17..c845b61204 100644 --- a/lib/stdlib/src/filelib.erl +++ b/lib/stdlib/src/filelib.erl @@ -20,6 +20,8 @@ %% File utilities. +%% Avoid warning for local function error/1 clashing with autoimported BIF. +-compile({no_auto_import,[error/1]}). -export([wildcard/1, wildcard/2, is_dir/1, is_file/1, is_regular/1, compile_wildcard/1]). -export([fold_files/5, last_modified/1, file_size/1, ensure_dir/1]). @@ -45,14 +47,14 @@ wildcard(Pattern) when is_list(Pattern) -> ?HANDLE_ERROR(do_wildcard(Pattern, file)). -spec wildcard(file:name(), file:name() | atom()) -> [file:filename()]. -wildcard(Pattern, Cwd) when is_list(Pattern), is_list(Cwd) -> +wildcard(Pattern, Cwd) when is_list(Pattern), (is_list(Cwd) or is_binary(Cwd)) -> ?HANDLE_ERROR(do_wildcard(Pattern, Cwd, file)); wildcard(Pattern, Mod) when is_list(Pattern), is_atom(Mod) -> ?HANDLE_ERROR(do_wildcard(Pattern, Mod)). -spec wildcard(file:name(), file:name(), atom()) -> [file:filename()]. wildcard(Pattern, Cwd, Mod) - when is_list(Pattern), is_list(Cwd), is_atom(Mod) -> + when is_list(Pattern), (is_list(Cwd) or is_binary(Cwd)), is_atom(Mod) -> ?HANDLE_ERROR(do_wildcard(Pattern, Cwd, Mod)). -spec is_dir(file:name()) -> boolean(). @@ -116,7 +118,7 @@ do_wildcard_comp({compiled_wildcard,{exists,File}}, Mod) -> do_wildcard_comp({compiled_wildcard,[Base|Rest]}, Mod) -> do_wildcard_1([Base], Rest, Mod). -do_wildcard(Pattern, Cwd, Mod) when is_list(Pattern), is_list(Cwd) -> +do_wildcard(Pattern, Cwd, Mod) when is_list(Pattern), (is_list(Cwd) or is_binary(Cwd)) -> do_wildcard_comp(do_compile_wildcard(Pattern), Cwd, Mod). do_wildcard_comp({compiled_wildcard,{exists,File}}, Cwd, Mod) -> @@ -125,9 +127,18 @@ do_wildcard_comp({compiled_wildcard,{exists,File}}, Cwd, Mod) -> _ -> [] end; do_wildcard_comp({compiled_wildcard,[current|Rest]}, Cwd0, Mod) -> - Cwd = filename:join([Cwd0]), %Slash away redundant slashes. - PrefixLen = length(Cwd)+1, - [lists:nthtail(PrefixLen, N) || N <- do_wildcard_1([Cwd], Rest, Mod)]; + {Cwd,PrefixLen} = case filename:join([Cwd0]) of + Bin when is_binary(Bin) -> {Bin,byte_size(Bin)+1}; + Other -> {Other,length(Other)+1} + end, %Slash away redundant slashes. + [ + if + is_binary(N) -> + <<_:PrefixLen/binary,Res/binary>> = N, + Res; + true -> + lists:nthtail(PrefixLen, N) + end || N <- do_wildcard_1([Cwd], Rest, Mod)]; do_wildcard_comp({compiled_wildcard,[Base|Rest]}, _Cwd, Mod) -> do_wildcard_1([Base], Rest, Mod). @@ -164,36 +175,44 @@ do_is_regular(File, Mod) -> %% If <Recursive> is true all sub-directories to <Dir> are processed do_fold_files(Dir, RegExp, Recursive, Fun, Acc, Mod) -> - {ok, Re1} = re:compile(RegExp), - do_fold_files1(Dir, Re1, Recursive, Fun, Acc, Mod). + {ok, Re1} = re:compile(RegExp,[unicode]), + do_fold_files1(Dir, Re1, RegExp, Recursive, Fun, Acc, Mod). -do_fold_files1(Dir, RegExp, Recursive, Fun, Acc, Mod) -> +do_fold_files1(Dir, RegExp, OrigRE, Recursive, Fun, Acc, Mod) -> case eval_list_dir(Dir, Mod) of - {ok, Files} -> do_fold_files2(Files, Dir, RegExp, Recursive, Fun, Acc, Mod); + {ok, Files} -> do_fold_files2(Files, Dir, RegExp, OrigRE, + Recursive, Fun, Acc, Mod); {error, _} -> Acc end. -do_fold_files2([], _Dir, _RegExp, _Recursive, _Fun, Acc, _Mod) -> +%% OrigRE is not to be compiled as it's for non conforming filenames, +%% i.e. for filenames that does not comply to the current encoding, which should +%% be very rare. We use it only in those cases and do not want to precompile. +do_fold_files2([], _Dir, _RegExp, _OrigRE, _Recursive, _Fun, Acc, _Mod) -> Acc; -do_fold_files2([File|T], Dir, RegExp, Recursive, Fun, Acc0, Mod) -> +do_fold_files2([File|T], Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod) -> FullName = filename:join(Dir, File), case do_is_regular(FullName, Mod) of true -> - case re:run(File, RegExp, [{capture,none}]) of + case (catch re:run(File, if is_binary(File) -> OrigRE; + true -> RegExp end, + [{capture,none}])) of match -> Acc = Fun(FullName, Acc0), - do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc, Mod); + do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc, Mod); + {'EXIT',_} -> + do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod); nomatch -> - do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc0, Mod) + do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod) end; false -> case Recursive andalso do_is_dir(FullName, Mod) of true -> - Acc1 = do_fold_files1(FullName, RegExp, Recursive, + Acc1 = do_fold_files1(FullName, RegExp, OrigRE, Recursive, Fun, Acc0, Mod), - do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc1, Mod); + do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc1, Mod); false -> - do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc0, Mod) + do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod) end end. @@ -266,6 +285,13 @@ do_wildcard_3(Base, [Pattern|Rest], Result, Mod) -> do_wildcard_3(Base, [], Result, _Mod) -> [Base|Result]. +wildcard_4(Pattern, [File|Rest], Base, Result) when is_binary(File) -> + case wildcard_5(Pattern, binary_to_list(File)) of + true -> + wildcard_4(Pattern, Rest, Base, [join(Base, File)|Result]); + false -> + wildcard_4(Pattern, Rest, Base, Result) + end; wildcard_4(Pattern, [File|Rest], Base, Result) -> case wildcard_5(Pattern, File) of true -> diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index 01c06e4596..24abf1e977 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -41,6 +41,9 @@ -include_lib("kernel/include/file.hrl"). +-define(IS_DRIVELETTER(Letter),(((Letter >= $A) andalso (Letter =< $Z)) orelse + ((Letter >= $a) andalso (Letter =< $z)))). + %% Converts a relative filename to an absolute filename %% or the filename itself if it already is an absolute filename %% Note that no attempt is made to create the most beatiful @@ -57,12 +60,18 @@ %% (for Unix) : absname("/") -> "/" %% (for WIN32): absname("/") -> "D:/" --spec absname(file:name()) -> string(). + +-spec absname(file:name()) -> file:filename(). absname(Name) -> {ok, Cwd} = file:get_cwd(), absname(Name, Cwd). --spec absname(file:name(), string()) -> string(). +-spec absname(file:name(), file:filename()) -> file:filename(). +absname(Name, AbsBase) when is_binary(Name), is_list(AbsBase) -> + absname(Name,filename_string_to_binary(AbsBase)); +absname(Name, AbsBase) when is_list(Name), is_binary(AbsBase) -> + absname(filename_string_to_binary(Name),AbsBase); + absname(Name, AbsBase) -> case pathtype(Name) of relative -> @@ -77,6 +86,20 @@ absname(Name, AbsBase) -> %% Handles volumerelative names (on Windows only). +absname_vr([<<"/">>|Rest1], [Volume|_], _AbsBase) -> + %% Absolute path on current drive. + join([Volume|Rest1]); +absname_vr([<<X, $:>>|Rest1], [<<X,_/binary>>|_], AbsBase) -> + %% Relative to current directory on current drive. + absname(join(Rest1), AbsBase); +absname_vr([<<X, $:>>|Name], _, _AbsBase) -> + %% Relative to current directory on another drive. + Dcwd = + case file:get_cwd([X, $:]) of + {ok, Dir} -> filename_string_to_binary(Dir); + {error, _} -> <<X, $:, $/>> + end, + absname(join(Name), Dcwd); absname_vr(["/"|Rest1], [Volume|_], _AbsBase) -> %% Absolute path on current drive. join([Volume|Rest1]); @@ -92,41 +115,13 @@ absname_vr([[X, $:]|Name], _, _AbsBase) -> end, absname(join(Name), Dcwd). -%% Joins a relative filename to an absolute base. For VxWorks the -%% resulting name is fixed to minimize the length by collapsing -%% ".." directories. -%% For other systems this is just a join/2, but assumes that +%% Joins a relative filename to an absolute base. +%% This is just a join/2, but assumes that %% AbsBase must be absolute and Name must be relative. --spec absname_join(string(), file:name()) -> string(). +-spec absname_join(file:filename(), file:name()) -> file:filename(). absname_join(AbsBase, Name) -> - case major_os_type() of - vxworks -> - absname_pretty(AbsBase, split(Name), lists:reverse(split(AbsBase))); - _Else -> - join(AbsBase, flatten(Name)) - end. - -%% Handles absolute filenames for VxWorks - these are 'pretty-printed', -%% since a C function call chdir("/erlang/lib/../bin") really sets -%% cwd to '/erlang/lib/../bin' which also works, but the long term -%% effect is potentially not so good ... -%% -%% absname_pretty("../bin", "/erlang/lib") -> "/erlang/bin" -%% absname_pretty("../../../..", "/erlang") -> "/erlang" - -absname_pretty(Abspath, Relpath, []) -> - %% AbsBase _must_ begin with a vxworks device name - {device, _Rest, Dev} = vxworks_first(Abspath), - absname_pretty(Abspath, Relpath, [lists:reverse(Dev)]); -absname_pretty(_Abspath, [], AbsBase) -> - join(lists:reverse(AbsBase)); -absname_pretty(Abspath, [[$.]|Rest], AbsBase) -> - absname_pretty(Abspath, Rest, AbsBase); -absname_pretty(Abspath, [[$.,$.]|Rest], [_|AbsRest]) -> - absname_pretty(Abspath, Rest, AbsRest); -absname_pretty(Abspath, [First|Rest], AbsBase) -> - absname_pretty(Abspath, Rest, [First|AbsBase]). + join(AbsBase, flatten(Name)). %% Returns the part of the filename after the last directory separator, %% or the filename itself if it has no separators. @@ -136,18 +131,40 @@ absname_pretty(Abspath, [First|Rest], AbsBase) -> %% basename("/usr/foo/") -> "foo" (trailing slashes ignored) %% basename("/") -> [] --spec basename(file:name()) -> string(). +-spec basename(file:name()) -> file:filename(). +basename(Name) when is_binary(Name) -> + case os:type() of + {win32,_} -> + win_basenameb(Name); + _ -> + basenameb(Name,[<<"/">>]) + end; + basename(Name0) -> Name = flatten(Name0), {DirSep2, DrvSep} = separators(), basename1(skip_prefix(Name, DrvSep), [], DirSep2). +win_basenameb(<<Letter,$:,Rest/binary>>) when ?IS_DRIVELETTER(Letter) -> + basenameb(Rest,[<<"/">>,<<"\\">>]); +win_basenameb(O) -> + basenameb(O,[<<"/">>,<<"\\">>]). +basenameb(Bin,Sep) -> + Parts = [ X || X <- binary:split(Bin,Sep,[global]), + X =/= <<>> ], + if + Parts =:= [] -> + <<>>; + true -> + lists:last(Parts) + end. + + + basename1([$/|[]], Tail, DirSep2) -> basename1([], Tail, DirSep2); basename1([$/|Rest], _Tail, DirSep2) -> basename1(Rest, [], DirSep2); -basename1([[_|_]=List|Rest], Tail, DirSep2) -> - basename1(List++Rest, Tail, DirSep2); basename1([DirSep2|Rest], Tail, DirSep2) when is_integer(DirSep2) -> basename1([$/|Rest], Tail, DirSep2); basename1([Char|Rest], Tail, DirSep2) when is_integer(Char) -> @@ -155,26 +172,11 @@ basename1([Char|Rest], Tail, DirSep2) when is_integer(Char) -> basename1([], Tail, _DirSep2) -> lists:reverse(Tail). -skip_prefix(Name, false) -> % No prefix for unix, but for VxWorks. - case major_os_type() of - vxworks -> - case vxworks_first(Name) of - {device, Rest, _Device} -> - Rest; - {not_device, _Rest, _First} -> - Name - end; - _Else -> - Name - end; -skip_prefix(Name, DrvSep) -> - skip_prefix1(Name, DrvSep). - -skip_prefix1([L, DrvSep|Name], DrvSep) when is_integer(L) -> +skip_prefix(Name, false) -> Name; -skip_prefix1([L], _) when is_integer(L) -> - [L]; -skip_prefix1(Name, _) -> +skip_prefix([L, DrvSep|Name], DrvSep) when ?IS_DRIVELETTER(L) -> + Name; +skip_prefix(Name, _) -> Name. %% Returns the last component of the filename, with the given @@ -190,7 +192,29 @@ skip_prefix1(Name, _) -> %% rootname(basename("xxx.jam")) -> "xxx" %% rootname(basename("xxx.erl")) -> "xxx" --spec basename(file:name(), file:name()) -> string(). +-spec basename(file:name(), file:name()) -> file:filename(). +basename(Name, Ext) when is_binary(Name), is_list(Ext) -> + basename(Name,filename_string_to_binary(Ext)); +basename(Name, Ext) when is_list(Name), is_binary(Ext) -> + basename(filename_string_to_binary(Name),Ext); +basename(Name, Ext) when is_binary(Name), is_binary(Ext) -> + BName = basename(Name), + LAll = byte_size(Name), + LN = byte_size(BName), + LE = byte_size(Ext), + case LN - LE of + Neg when Neg < 0 -> + BName; + Pos -> + StartLen = LAll - Pos - LE, + case Name of + <<_:StartLen/binary,Part:Pos/binary,Ext/binary>> -> + Part; + _Other -> + BName + end + end; + basename(Name0, Ext0) -> Name = flatten(Name0), Ext = flatten(Ext0), @@ -204,7 +228,7 @@ basename([$/|[]], Ext, Tail, DrvSep2) -> basename([], Ext, Tail, DrvSep2); basename([$/|Rest], Ext, _Tail, DrvSep2) -> basename(Rest, Ext, [], DrvSep2); -basename([$\\|Rest], Ext, Tail, DirSep2) when is_integer(DirSep2) -> +basename([DirSep2|Rest], Ext, Tail, DirSep2) when is_integer(DirSep2) -> basename([$/|Rest], Ext, Tail, DirSep2); basename([Char|Rest], Ext, Tail, DrvSep2) when is_integer(Char) -> basename(Rest, Ext, [Char|Tail], DrvSep2); @@ -216,24 +240,44 @@ basename([], _Ext, Tail, _DrvSep2) -> %% Example: dirname("/usr/src/kalle.erl") -> "/usr/src", %% dirname("kalle.erl") -> "." --spec dirname(file:name()) -> string(). +-spec dirname(file:name()) -> file:filename(). +dirname(Name) when is_binary(Name) -> + {Dsep,Drivesep} = separators(), + SList = case Dsep of + Sep when is_integer(Sep) -> + [ <<Sep>> ]; + _ -> + [] + end, + {XPart0,Dirs} = case Drivesep of + X when is_integer(X) -> + case Name of + <<DL,X,Rest/binary>> when ?IS_DRIVELETTER(DL) -> + {<<DL,X>>,Rest}; + _ -> + {<<>>,Name} + end; + _ -> + {<<>>,Name} + end, + Parts0 = binary:split(Dirs,[<<"/">>|SList],[global]), + %% Fairly short lists of parts, OK to reverse twice... + Parts = case Parts0 of + [] -> []; + _ -> lists:reverse(fstrip(tl(lists:reverse(Parts0)))) + end, + XPart = case {Parts,XPart0} of + {[],<<>>} -> + <<".">>; + _ -> + XPart0 + end, + dirjoin(Parts,XPart,<<"/">>); + dirname(Name0) -> Name = flatten(Name0), - case os:type() of - vxworks -> - {Devicep, Restname, FirstComp} = vxworks_first(Name), - case Devicep of - device -> - dirname(Restname, FirstComp, [], separators()); - _ -> - dirname(Name, [], [], separators()) - end; - _ -> - dirname(Name, [], [], separators()) - end. + dirname(Name, [], [], separators()). -dirname([[_|_]=List|Rest], Dir, File, Seps) -> - dirname(List++Rest, Dir, File, Seps); dirname([$/|Rest], Dir, File, Seps) -> dirname(Rest, File++Dir, [$/], Seps); dirname([DirSep|Rest], Dir, File, {DirSep,_}=Seps) when is_integer(DirSep) -> @@ -258,6 +302,26 @@ dirname([], [DrvSep,Dl], File, {_,DrvSep}) -> end; dirname([], Dir, _, _) -> lists:reverse(Dir). + +%% Compatibility with lists variant, remove trailing slashes +fstrip([<<>>,X|Y]) -> + fstrip([X|Y]); +fstrip(A) -> + A. + + +dirjoin([<<>>|T],Acc,Sep) -> + dirjoin1(T,<<Acc/binary,"/">>,Sep); +dirjoin(A,B,C) -> + dirjoin1(A,B,C). + +dirjoin1([],Acc,_) -> + Acc; +dirjoin1([One],Acc,_) -> + <<Acc/binary,One/binary>>; +dirjoin1([H|T],Acc,Sep) -> + dirjoin(T,<<Acc/binary,H/binary,Sep/binary>>,Sep). + %% Given a filename string, returns the file extension, %% including the period. Returns an empty list if there @@ -268,7 +332,29 @@ dirname([], Dir, _, _) -> %% %% On Windows: fn:dirname("\\usr\\src/kalle.erl") -> "/usr/src" --spec extension(file:name()) -> string(). +-spec extension(file:name()) -> file:filename(). +extension(Name) when is_binary(Name) -> + {Dsep,_} = separators(), + SList = case Dsep of + Sep when is_integer(Sep) -> + [ <<Sep>> ]; + _ -> + [] + end, + case binary:matches(Name,[<<".">>]) of + [] -> + <<>>; + List -> + {Pos,_} = lists:last(List), + <<_:Pos/binary,Part/binary>> = Name, + case binary:match(Part,[<<"/">>|SList]) of + nomatch -> + Part; + _ -> + <<>> + end + end; + extension(Name0) -> Name = flatten(Name0), extension(Name, [], major_os_type()). @@ -281,8 +367,6 @@ extension([$/|Rest], _Result, OsType) -> extension(Rest, [], OsType); extension([$\\|Rest], _Result, win32) -> extension(Rest, [], win32); -extension([$\\|Rest], _Result, vxworks) -> - extension(Rest, [], vxworks); extension([Char|Rest], Result, OsType) when is_integer(Char) -> extension(Rest, [Char|Result], OsType); extension([], Result, _OsType) -> @@ -290,23 +374,36 @@ extension([], Result, _OsType) -> %% Joins a list of filenames with directory separators. --spec join([string()]) -> string(). +-spec join([file:filename()]) -> file:filename(). join([Name1, Name2|Rest]) -> join([join(Name1, Name2)|Rest]); join([Name]) when is_list(Name) -> join1(Name, [], [], major_os_type()); +join([Name]) when is_binary(Name) -> + join1b(Name, <<>>, [], major_os_type()); join([Name]) when is_atom(Name) -> join([atom_to_list(Name)]). %% Joins two filenames with directory separators. --spec join(string(), string()) -> string(). +-spec join(file:filename(), file:filename()) -> file:filename(). join(Name1, Name2) when is_list(Name1), is_list(Name2) -> OsType = major_os_type(), case pathtype(Name2) of relative -> join1(Name1, Name2, [], OsType); _Other -> join1(Name2, [], [], OsType) end; +join(Name1, Name2) when is_binary(Name1), is_list(Name2) -> + join(Name1,filename_string_to_binary(Name2)); +join(Name1, Name2) when is_list(Name1), is_binary(Name2) -> + join(filename_string_to_binary(Name1),Name2); +join(Name1, Name2) when is_binary(Name1), is_binary(Name2) -> + OsType = major_os_type(), + case pathtype(Name2) of + relative -> join1b(Name1, Name2, [], OsType); + _Other -> join1b(Name2, <<>>, [], OsType) + end; + join(Name1, Name2) when is_atom(Name1) -> join(atom_to_list(Name1), Name2); join(Name1, Name2) when is_atom(Name2) -> @@ -321,8 +418,6 @@ when is_integer(UcLetter), UcLetter >= $A, UcLetter =< $Z -> join1(Rest, RelativeName, [$:, UcLetter+$a-$A], win32); join1([$\\|Rest], RelativeName, Result, win32) -> join1([$/|Rest], RelativeName, Result, win32); -join1([$\\|Rest], RelativeName, Result, vxworks) -> - join1([$/|Rest], RelativeName, Result, vxworks); join1([$/|Rest], RelativeName, [$., $/|Result], OsType) -> join1(Rest, RelativeName, [$/|Result], OsType); join1([$/|Rest], RelativeName, [$/|Result], OsType) -> @@ -344,6 +439,26 @@ join1([Char|Rest], RelativeName, Result, OsType) when is_integer(Char) -> join1([Atom|Rest], RelativeName, Result, OsType) when is_atom(Atom) -> join1(atom_to_list(Atom)++Rest, RelativeName, Result, OsType). +join1b(<<UcLetter, $:, Rest/binary>>, RelativeName, [], win32) +when is_integer(UcLetter), UcLetter >= $A, UcLetter =< $Z -> + join1b(Rest, RelativeName, [$:, UcLetter+$a-$A], win32); +join1b(<<$\\,Rest/binary>>, RelativeName, Result, win32) -> + join1b(<<$/,Rest/binary>>, RelativeName, Result, win32); +join1b(<<$/,Rest/binary>>, RelativeName, [$., $/|Result], OsType) -> + join1b(Rest, RelativeName, [$/|Result], OsType); +join1b(<<$/,Rest/binary>>, RelativeName, [$/|Result], OsType) -> + join1b(Rest, RelativeName, [$/|Result], OsType); +join1b(<<>>, <<>>, Result, OsType) -> + list_to_binary(maybe_remove_dirsep(Result, OsType)); +join1b(<<>>, RelativeName, [$:|Rest], win32) -> + join1b(RelativeName, <<>>, [$:|Rest], win32); +join1b(<<>>, RelativeName, [$/|Result], OsType) -> + join1b(RelativeName, <<>>, [$/|Result], OsType); +join1b(<<>>, RelativeName, Result, OsType) -> + join1b(RelativeName, <<>>, [$/|Result], OsType); +join1b(<<Char,Rest/binary>>, RelativeName, Result, OsType) when is_integer(Char) -> + join1b(Rest, RelativeName, [Char|Result], OsType). + maybe_remove_dirsep([$/, $:, Letter], win32) -> [Letter, $:, $/]; maybe_remove_dirsep([$/], _) -> @@ -357,7 +472,13 @@ maybe_remove_dirsep(Name, _) -> %% a given base directory, which is is assumed to be normalised %% by a previous call to join/{1,2}. --spec append(string(), file:name()) -> string(). +-spec append(file:filename(), file:name()) -> file:filename(). +append(Dir, Name) when is_binary(Dir), is_binary(Name) -> + <<Dir/binary,$/:8,Name/binary>>; +append(Dir, Name) when is_binary(Dir) -> + append(Dir,filename_string_to_binary(Name)); +append(Dir, Name) when is_binary(Name) -> + append(filename_string_to_binary(Dir),Name); append(Dir, Name) -> Dir ++ [$/|Name]. @@ -376,19 +497,14 @@ append(Dir, Name) -> -spec pathtype(file:name()) -> 'absolute' | 'relative' | 'volumerelative'. pathtype(Atom) when is_atom(Atom) -> pathtype(atom_to_list(Atom)); -pathtype(Name) when is_list(Name) -> +pathtype(Name) when is_list(Name) or is_binary(Name) -> case os:type() of {unix, _} -> unix_pathtype(Name); - {win32, _} -> win32_pathtype(Name); - vxworks -> case vxworks_first(Name) of - {device, _Rest, _Dev} -> - absolute; - _ -> - relative - end; - {ose,_} -> unix_pathtype(Name) + {win32, _} -> win32_pathtype(Name) end. +unix_pathtype(<<$/,_/binary>>) -> + absolute; unix_pathtype([$/|_]) -> absolute; unix_pathtype([List|Rest]) when is_list(List) -> @@ -404,6 +520,15 @@ win32_pathtype([Atom|Rest]) when is_atom(Atom) -> win32_pathtype(atom_to_list(Atom)++Rest); win32_pathtype([Char, List|Rest]) when is_list(List) -> win32_pathtype([Char|List++Rest]); +win32_pathtype(<<$/, $/, _/binary>>) -> absolute; +win32_pathtype(<<$\\, $/, _/binary>>) -> absolute; +win32_pathtype(<<$/, $\\, _/binary>>) -> absolute; +win32_pathtype(<<$\\, $\\, _/binary>>) -> absolute; +win32_pathtype(<<$/, _/binary>>) -> volumerelative; +win32_pathtype(<<$\\, _/binary>>) -> volumerelative; +win32_pathtype(<<_Letter, $:, $/, _/binary>>) -> absolute; +win32_pathtype(<<_Letter, $:, $\\, _/binary>>) -> absolute; +win32_pathtype(<<_Letter, $:, _/binary>>) -> volumerelative; win32_pathtype([$/, $/|_]) -> absolute; win32_pathtype([$\\, $/|_]) -> absolute; win32_pathtype([$/, $\\|_]) -> absolute; @@ -422,7 +547,9 @@ win32_pathtype(_) -> relative. %% Examples: rootname("/jam.src/kalle") -> "/jam.src/kalle" %% rootname("/jam.src/foo.erl") -> "/jam.src/foo" --spec rootname(file:name()) -> string(). +-spec rootname(file:name()) -> file:filename(). +rootname(Name) when is_binary(Name) -> + list_to_binary(rootname(binary_to_list(Name))); % No need to handle unicode, . is < 128 rootname(Name0) -> Name = flatten(Name0), rootname(Name, [], [], major_os_type()). @@ -431,8 +558,6 @@ rootname([$/|Rest], Root, Ext, OsType) -> rootname(Rest, [$/]++Ext++Root, [], OsType); rootname([$\\|Rest], Root, Ext, win32) -> rootname(Rest, [$/]++Ext++Root, [], win32); -rootname([$\\|Rest], Root, Ext, vxworks) -> - rootname(Rest, [$/]++Ext++Root, [], vxworks); rootname([$.|Rest], Root, [], OsType) -> rootname(Rest, Root, ".", OsType); rootname([$.|Rest], Root, Ext, OsType) -> @@ -451,7 +576,13 @@ rootname([], Root, _Ext, _OsType) -> %% Examples: rootname("/jam.src/kalle.jam", ".erl") -> "/jam.src/kalle.jam" %% rootname("/jam.src/foo.erl", ".erl") -> "/jam.src/foo" --spec rootname(file:name(), file:name()) -> string(). +-spec rootname(file:name(), file:name()) -> file:filename(). +rootname(Name, Ext) when is_binary(Name), is_binary(Ext) -> + list_to_binary(rootname(binary_to_list(Name),binary_to_list(Ext))); +rootname(Name, Ext) when is_binary(Name) -> + rootname(Name,filename_string_to_binary(Ext)); +rootname(Name, Ext) when is_binary(Ext) -> + rootname(filename_string_to_binary(Name),Ext); rootname(Name0, Ext0) -> Name = flatten(Name0), Ext = flatten(Ext0), @@ -471,27 +602,55 @@ rootname2([Char|Rest], Ext, Result) when is_integer(Char) -> %% split("foo/bar") -> ["foo", "bar"] %% split("a:\\msdev\\include") -> ["a:/", "msdev", "include"] --spec split(file:name()) -> [string()]. +-spec split(file:name()) -> [file:filename()]. +split(Name) when is_binary(Name) -> + case os:type() of + {win32, _} -> win32_splitb(Name); + _ -> unix_splitb(Name) + end; + split(Name0) -> Name = flatten(Name0), case os:type() of - {unix, _} -> unix_split(Name); {win32, _} -> win32_split(Name); - vxworks -> vxworks_split(Name); - {ose,_} -> unix_split(Name) + _ -> unix_split(Name) end. -%% If a VxWorks filename starts with '[/\].*[^/\]' '[/\].*:' or '.*:' -%% that part of the filename is considered a device. -%% The rest of the name is interpreted exactly as for win32. -%% XXX - dirty solution to make filename:split([]) return the same thing on -%% VxWorks as on unix and win32. -vxworks_split([]) -> - []; -vxworks_split(L) -> - {_Devicep, Rest, FirstComp} = vxworks_first(L), - split(Rest, [], [lists:reverse(FirstComp)], win32). +unix_splitb(Name) -> + L = binary:split(Name,[<<"/">>],[global]), + LL = case L of + [<<>>|Rest] -> + [<<"/">>|Rest]; + _ -> + L + end, + [ X || X <- LL, X =/= <<>>]. + + +fix_driveletter(Letter0) -> + if + Letter0 >= $A, Letter0 =< $Z -> + Letter0+$a-$A; + true -> + Letter0 + end. +win32_splitb(<<Letter0,$:, Slash, Rest/binary>>) when (((Slash =:= $\\) orelse (Slash =:= $/)) andalso + ?IS_DRIVELETTER(Letter0)) -> + Letter = fix_driveletter(Letter0), + L = binary:split(Rest,[<<"/">>,<<"\\">>],[global]), + [<<Letter,$:,$/>> | [ X || X <- L, X =/= <<>> ]]; +win32_splitb(<<Letter0,$:,Rest/binary>>) when ?IS_DRIVELETTER(Letter0) -> + Letter = fix_driveletter(Letter0), + L = binary:split(Rest,[<<"/">>,<<"\\">>],[global]), + [<<Letter,$:>> | [ X || X <- L, X =/= <<>> ]]; +win32_splitb(<<Slash,Rest/binary>>) when ((Slash =:= $\\) orelse (Slash =:= $/)) -> + L = binary:split(Rest,[<<"/">>,<<"\\">>],[global]), + [<<$/>> | [ X || X <- L, X =/= <<>> ]]; +win32_splitb(Name) -> + L = binary:split(Name,[<<"/">>,<<"\\">>],[global]), + [ X || X <- L, X =/= <<>> ]. + unix_split(Name) -> split(Name, [], unix). @@ -502,8 +661,6 @@ win32_split([X, $\\|Rest]) when is_integer(X) -> win32_split([X, $/|Rest]); win32_split([X, Y, $\\|Rest]) when is_integer(X), is_integer(Y) -> win32_split([X, Y, $/|Rest]); -win32_split([$/, $/|Rest]) -> - split(Rest, [], [[$/, $/]]); win32_split([UcLetter, $:|Rest]) when UcLetter >= $A, UcLetter =< $Z -> win32_split([UcLetter+$a-$A, $:|Rest]); win32_split([Letter, $:, $/|Rest]) -> @@ -528,8 +685,6 @@ split([$/|Rest], Comp, Components, OsType) -> split(Rest, [], [lists:reverse(Comp)|Components], OsType); split([Char|Rest], Comp, Components, OsType) when is_integer(Char) -> split(Rest, [Char|Comp], Components, OsType); -split([List|Rest], Comp, Components, OsType) when is_list(List) -> - split(List++Rest, Comp, Components, OsType); split([], [], Components, _OsType) -> lists:reverse(Components); split([], Comp, Components, OsType) -> @@ -540,7 +695,7 @@ split([], Comp, Components, OsType) -> %% will be converted to backslashes. On all platforms, the %% name will be normalized as done by join/1. --spec nativename(string()) -> string(). +-spec nativename(file:filename()) -> file:filename(). nativename(Name0) -> Name = join([Name0]), %Normalize. case os:type() of @@ -557,13 +712,12 @@ win32_nativename([]) -> separators() -> case os:type() of - {unix, _} -> {false, false}; {win32, _} -> {$\\, $:}; - vxworks -> {$\\, false}; - {ose,_} -> {false, false} + _ -> {false, false} end. + %% find_src(Module) -- %% find_src(Module, Rules) -- %% @@ -733,45 +887,12 @@ major_os_type() -> OsT -> OsT end. -%% Need to take care of the first pathname component separately -%% due to VxWorks less than good device naming rules. -%% (i.e. this is VxWorks specific ...) -%% The following four all starts with device names -%% elrond:/foo -> elrond: -%% elrond:\\foo.bar -> elrond: -%% /DISK1:foo -> /DISK1: -%% /usr/include -> /usr -%% This one doesn't: -%% foo/bar - -vxworks_first([]) -> - {not_device, [], []}; -vxworks_first([$/|T]) -> - vxworks_first2(device, T, [$/]); -vxworks_first([$\\|T]) -> - vxworks_first2(device, T, [$/]); -vxworks_first([H|T]) when is_list(H) -> - vxworks_first(H++T); -vxworks_first([H|T]) -> - vxworks_first2(not_device, T, [H]). - -vxworks_first2(Devicep, [], FirstComp) -> - {Devicep, [], FirstComp}; -vxworks_first2(Devicep, [$/|T], FirstComp) -> - {Devicep, [$/|T], FirstComp}; -vxworks_first2(Devicep, [$\\|T], FirstComp) -> - {Devicep, [$/|T], FirstComp}; -vxworks_first2(_Devicep, [$:|T], FirstComp)-> - {device, T, [$:|FirstComp]}; -vxworks_first2(Devicep, [H|T], FirstComp) when is_list(H) -> - vxworks_first2(Devicep, H++T, FirstComp); -vxworks_first2(Devicep, [H|T], FirstComp) -> - vxworks_first2(Devicep, T, [H|FirstComp]). - %% flatten(List) %% Flatten a list, also accepting atoms. --spec flatten(file:name()) -> string(). +-spec flatten(file:name()) -> file:filename(). +flatten(Bin) when is_binary(Bin) -> + Bin; flatten(List) -> do_flatten(List, []). @@ -785,3 +906,12 @@ do_flatten([], Tail) -> Tail; do_flatten(Atom, Tail) when is_atom(Atom) -> atom_to_list(Atom) ++ flatten(Tail). + +filename_string_to_binary(List) -> + case unicode:characters_to_binary(flatten(List),unicode,file:native_name_encoding()) of + {error,_,_} -> + erlang:error(badarg); + Bin when is_binary(Bin) -> + Bin + end. + diff --git a/lib/stdlib/src/gb_sets.erl b/lib/stdlib/src/gb_sets.erl index 086dc79b46..fc5beb28b0 100644 --- a/lib/stdlib/src/gb_sets.erl +++ b/lib/stdlib/src/gb_sets.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2009. 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 @@ -657,7 +657,7 @@ intersection_2([], _, As, S) -> intersection_2(_, [], As, S) -> {S, balance_revlist(As, S)}. --spec intersection([gb_set()]) -> gb_set(). +-spec intersection([gb_set(),...]) -> gb_set(). intersection([S | Ss]) -> intersection_list(S, Ss). diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl index 1d0f9374bc..6aeb076a0b 100644 --- a/lib/stdlib/src/io.erl +++ b/lib/stdlib/src/io.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. 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 @@ -39,6 +39,8 @@ -type device() :: atom() | pid(). -type prompt() :: atom() | string(). +-type error_description() :: term(). % Whatever the io-server sends. +-type request_error() :: {'error',error_description()}. %% XXX: Some uses of line() in this file may need to read erl_scan:location() -type line() :: pos_integer(). @@ -53,26 +55,12 @@ to_tuple(T) when is_tuple(T) -> T; to_tuple(T) -> {T}. -%% Problem: the variables Other, Name and Args may collide with surrounding -%% ones. -%% Give extra args to macro, being the variables to use. --define(O_REQUEST(Io, Request), - case request(Io, Request) of - {error, Reason} -> - [Name | Args] = tuple_to_list(to_tuple(Request)), - erlang:error(conv_reason(Name, Reason), [Name, Io | Args]); - Other -> - Other - end). - o_request(Io, Request, Func) -> case request(Io, Request) of {error, Reason} -> [_Name | Args] = tuple_to_list(to_tuple(Request)), - {'EXIT',{undef,[_Current|Mfas]}} = (catch erlang:error(undef)), - MFA = {io, Func, [Io | Args]}, - exit({conv_reason(Func, Reason),[MFA|Mfas]}); -% erlang:error(conv_reason(Name, Reason), [Name, Io | Args]); + {'EXIT',{get_stacktrace,[_Current|Mfas]}} = (catch erlang:error(get_stacktrace)), + erlang:raise(error, conv_reason(Func, Reason), [{io, Func, [Io | Args]}|Mfas]); Other -> Other end. @@ -299,32 +287,32 @@ format(Io, Format, Args) -> %% Scanning Erlang code. --spec scan_erl_exprs(prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_exprs(prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_exprs(Prompt) -> scan_erl_exprs(default_input(), Prompt, 1). --spec scan_erl_exprs(device(), prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_exprs(device(), prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_exprs(Io, Prompt) -> scan_erl_exprs(Io, Prompt, 1). --spec scan_erl_exprs(device(), prompt(), line()) -> erl_scan:tokens_result(). +-spec scan_erl_exprs(device(), prompt(), line()) -> erl_scan:tokens_result() | request_error(). scan_erl_exprs(Io, Prompt, Pos0) -> request(Io, {get_until,unicode,Prompt,erl_scan,tokens,[Pos0]}). --spec scan_erl_form(prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_form(prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_form(Prompt) -> scan_erl_form(default_input(), Prompt, 1). --spec scan_erl_form(device(), prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_form(device(), prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_form(Io, Prompt) -> scan_erl_form(Io, Prompt, 1). --spec scan_erl_form(device(), prompt(), line()) -> erl_scan:tokens_result(). +-spec scan_erl_form(device(), prompt(), line()) -> erl_scan:tokens_result() | request_error(). scan_erl_form(Io, Prompt, Pos0) -> request(Io, {get_until,unicode,Prompt,erl_scan,tokens,[Pos0]}). @@ -335,7 +323,8 @@ scan_erl_form(Io, Prompt, Pos0) -> -type parse_ret() :: {'ok', erl_parse_expr_list(), line()} | {'eof', line()} - | {'error', erl_scan:error_info(), line()}. + | {'error', erl_scan:error_info(), line()} + | request_error(). -spec parse_erl_exprs(prompt()) -> parse_ret(). @@ -364,7 +353,8 @@ parse_erl_exprs(Io, Prompt, Pos0) -> -type parse_form_ret() :: {'ok', erl_parse_absform(), line()} | {'eof', line()} - | {'error', erl_scan:error_info(), line()}. + | {'error', erl_scan:error_info(), line()} + | request_error(). -spec parse_erl_form(prompt()) -> parse_form_ret(). diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl index eb1885021d..49a00a4ec7 100644 --- a/lib/stdlib/src/io_lib_format.erl +++ b/lib/stdlib/src/io_lib_format.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 @@ -558,28 +558,30 @@ iolist_to_chars(B) when is_binary(B) -> string(S, none, _Adj, none, _Pad) -> S; string(S, F, Adj, none, Pad) -> - N = lists:flatlength(S), - if N > F -> flat_trunc(S, F); - N =:= F -> S; - true -> adjust(S, chars(Pad, F-N), Adj) - end; + string_field(S, F, Adj, lists:flatlength(S), Pad); string(S, none, _Adj, P, Pad) -> + string_field(S, P, left, lists:flatlength(S), Pad); +string(S, F, Adj, P, Pad) when F >= P -> N = lists:flatlength(S), - if N > P -> flat_trunc(S, P); - N =:= P -> S; - true -> [S|chars(Pad, P-N)] - end; -string(S, F, Adj, F, Pad) -> - string(S, none, Adj, F, Pad); -string(S, F, Adj, P, Pad) when F > P -> - N = lists:flatlength(S), - if N > F -> flat_trunc(S, F); - N =:= F -> S; - N > P -> adjust(flat_trunc(S, P), chars(Pad, F-P), Adj); - N =:= P -> adjust(S, chars(Pad, F-P), Adj); - true -> adjust([S|chars(Pad, P-N)], chars(Pad, F-P), Adj) + if F > P -> + if N > P -> + adjust(flat_trunc(S, P), chars(Pad, F-P), Adj); + N < P -> + adjust([S|chars(Pad, P-N)], chars(Pad, F-P), Adj); + true -> % N == P + adjust(S, chars(Pad, F-P), Adj) + end; + true -> % F == P + string_field(S, F, Adj, N, Pad) end. +string_field(S, F, _Adj, N, _Pad) when N > F -> + flat_trunc(S, F); +string_field(S, F, Adj, N, Pad) when N < F -> + adjust(S, chars(Pad, F-N), Adj); +string_field(S, _, _, _, _) -> % N == F + S. + %% unprefixed_integer(Int, Field, Adjust, Base, PadChar, Lowercase) %% -> [Char]. @@ -624,8 +626,8 @@ newline(F, right, _P, _Pad) -> chars($\n, F). %% adjust(Data, [], _) -> Data; -adjust(Data, Pad, left) -> [Data,Pad]; -adjust(Data, Pad, right) -> [Pad,Data]. +adjust(Data, Pad, left) -> [Data|Pad]; +adjust(Data, Pad, right) -> [Pad|Data]. %% Flatten and truncate a deep list to at most N elements. diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl index 08ee595f4d..c669c1f7c1 100644 --- a/lib/stdlib/src/lists.erl +++ b/lib/stdlib/src/lists.erl @@ -350,7 +350,7 @@ sort_1(X, [], R) -> %% merge(List) -> L %% merges a list of sorted lists --spec merge([T]) -> [T]. +-spec merge([[T]]) -> [T]. merge(L) -> mergel(L, []). @@ -358,7 +358,7 @@ merge(L) -> %% merge3(X, Y, Z) -> L %% merges three sorted lists X, Y and Z --spec merge3([_], [_], [_]) -> [_]. +-spec merge3([X], [Y], [Z]) -> [(X | Y | Z)]. merge3(L1, [], L3) -> merge(L1, L3); @@ -370,7 +370,7 @@ merge3(L1, [H2 | T2], [H3 | T3]) -> %% rmerge3(X, Y, Z) -> L %% merges three reversed sorted lists X, Y and Z --spec rmerge3([_], [_], [_]) -> [_]. +-spec rmerge3([X], [Y], [Z]) -> [(X | Y | Z)]. rmerge3(L1, [], L3) -> rmerge(L1, L3); @@ -382,7 +382,7 @@ rmerge3(L1, [H2 | T2], [H3 | T3]) -> %% merge(X, Y) -> L %% merges two sorted lists X and Y --spec merge([_], [_]) -> [_]. +-spec merge([X], [Y]) -> [(X | Y)]. merge(T1, []) -> T1; @@ -394,7 +394,7 @@ merge(T1, [H2 | T2]) -> %% reverse(rmerge(reverse(A),reverse(B))) is equal to merge(I,A,B). --spec rmerge([_], [_]) -> [_]. +-spec rmerge([X], [Y]) -> [(X | Y)]. rmerge(T1, []) -> T1; @@ -420,12 +420,12 @@ thing_to_list(X) when is_list(X) -> X. %Assumed to be a string %% flatten(List, Tail) %% Flatten a list, adding optional tail. --spec flatten([_]) -> [_]. +-spec flatten([term()]) -> [term()]. flatten(List) when is_list(List) -> do_flatten(List, []). --spec flatten([_], [_]) -> [_]. +-spec flatten([term()], [term()]) -> [term()]. flatten(List, Tail) when is_list(List), is_list(Tail) -> do_flatten(List, Tail). @@ -440,7 +440,7 @@ do_flatten([], Tail) -> %% flatlength(List) %% Calculate the length of a list of lists. --spec flatlength([_]) -> non_neg_integer(). +-spec flatlength([term()]) -> non_neg_integer(). flatlength(List) -> flatlength(List, 0). @@ -481,7 +481,7 @@ flatlength([], L) -> L. % keysearch3(Key, N, T); %keysearch3(Key, N, []) -> false. --spec keydelete(_, pos_integer(), [T]) -> [T]. +-spec keydelete(term(), pos_integer(), [T]) -> [T] when T :: tuple(). keydelete(K, N, L) when is_integer(N), N > 0 -> keydelete3(K, N, L). @@ -491,7 +491,7 @@ keydelete3(Key, N, [H|T]) -> [H|keydelete3(Key, N, T)]; keydelete3(_, _, []) -> []. --spec keyreplace(_, pos_integer(), [_], tuple()) -> [_]. +-spec keyreplace(term(), pos_integer(), [tuple()], tuple()) -> [tuple()]. keyreplace(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) -> keyreplace3(K, N, L, New). @@ -502,7 +502,8 @@ keyreplace3(Key, Pos, [H|T], New) -> [H|keyreplace3(Key, Pos, T, New)]; keyreplace3(_, _, [], _) -> []. --spec keytake(_, pos_integer(), [_]) -> {'value', tuple(), [_]} | 'false'. +-spec keytake(term(), pos_integer(), [tuple()]) -> + {'value', tuple(), [tuple()]} | 'false'. keytake(Key, N, L) when is_integer(N), N > 0 -> keytake(Key, N, L, []). @@ -513,7 +514,8 @@ keytake(Key, N, [H|T], L) -> keytake(Key, N, T, [H|L]); keytake(_K, _N, [], _L) -> false. --spec keystore(_, pos_integer(), [_], tuple()) -> [_]. +-spec keystore(term(), pos_integer(), [tuple()], tuple()) -> [tuple(),...]. + keystore(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) -> keystore2(K, N, L, New). @@ -524,7 +526,7 @@ keystore2(Key, N, [H|T], New) -> keystore2(_Key, _N, [], New) -> [New]. --spec keysort(pos_integer(), [T]) -> [T] when is_subtype(T, tuple()). +-spec keysort(pos_integer(), [T]) -> [T] when T :: tuple(). keysort(I, L) when is_integer(I), I > 0 -> case L of @@ -582,7 +584,7 @@ keysort_1(_I, X, _EX, [], R) -> lists:reverse(R, [X]). -spec keymerge(pos_integer(), [X], [Y]) -> - [R] when is_subtype(X, tuple()), is_subtype(Y, tuple()), is_subtype(R, tuple()). + [R] when X :: tuple(), Y :: tuple(), R :: tuple(). keymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> case L2 of @@ -597,7 +599,7 @@ keymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> %% reverse(rkeymerge(I,reverse(A),reverse(B))) is equal to keymerge(I,A,B). -spec rkeymerge(pos_integer(), [X], [Y]) -> - [R] when is_subtype(X, tuple()), is_subtype(Y, tuple()), is_subtype(R, tuple()). + [R] when X :: tuple(), Y :: tuple(), R :: tuple(). rkeymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> case L2 of @@ -609,7 +611,7 @@ rkeymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> lists:reverse(M, []) end. --spec ukeysort(pos_integer(), [T]) -> [T] when is_subtype(T, tuple()). +-spec ukeysort(pos_integer(), [T]) -> [T] when T :: tuple(). ukeysort(I, L) when is_integer(I), I > 0 -> case L of @@ -675,7 +677,7 @@ ukeysort_1(_I, X, _EX, []) -> [X]. -spec ukeymerge(pos_integer(), [X], [Y]) -> - [(X | Y)] when is_subtype(X, tuple()), is_subtype(Y, tuple()). + [(X | Y)] when X :: tuple(), Y :: tuple(). ukeymerge(Index, L1, T2) when is_integer(Index), Index > 0 -> case L1 of @@ -690,7 +692,7 @@ ukeymerge(Index, L1, T2) when is_integer(Index), Index > 0 -> %% reverse(rukeymerge(I,reverse(A),reverse(B))) is equal to ukeymerge(I,A,B). -spec rukeymerge(pos_integer(), [X], [Y]) -> - [(X | Y)] when is_subtype(X, tuple()), is_subtype(Y, tuple()). + [(X | Y)] when X :: tuple(), Y :: tuple(). rukeymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> case L2 of @@ -702,7 +704,7 @@ rukeymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> lists:reverse(M, []) end. --spec keymap(fun((_) -> _), pos_integer(), [tuple()]) -> [tuple()]. +-spec keymap(fun((term()) -> term()), pos_integer(), [tuple()]) -> [tuple()]. keymap(Fun, Index, [Tup|Tail]) -> [setelement(Index, Tup, Fun(element(Index, Tup)))|keymap(Fun, Index, Tail)]; @@ -725,7 +727,7 @@ sort(Fun, [X, Y | T]) -> fsplit_2(Y, X, Fun, T, [], []) end. --spec merge(fun((X, Y) -> boolean()), [X], [Y]) -> [_]. +-spec merge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)]. merge(Fun, T1, [H2 | T2]) when is_function(Fun, 2) -> lists:reverse(fmerge2_1(T1, H2, Fun, T2, []), []); @@ -734,7 +736,7 @@ merge(Fun, T1, []) when is_function(Fun, 2) -> %% reverse(rmerge(F,reverse(A),reverse(B))) is equal to merge(F,A,B). --spec rmerge(fun((X, Y) -> boolean()), [X], [Y]) -> [_]. +-spec rmerge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)]. rmerge(Fun, T1, [H2 | T2]) when is_function(Fun, 2) -> lists:reverse(rfmerge2_1(T1, H2, Fun, T2, []), []); @@ -768,7 +770,7 @@ usort_1(Fun, X, [Y | L]) -> ufsplit_2(Y, L, Fun, [X]) end. --spec umerge(fun((X, Y) -> boolean()), [X], [Y]) -> [_]. +-spec umerge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)]. umerge(Fun, [], T2) when is_function(Fun, 2) -> T2; @@ -777,7 +779,7 @@ umerge(Fun, [H1 | T1], T2) when is_function(Fun, 2) -> %% reverse(rumerge(F,reverse(A),reverse(B))) is equal to umerge(F,A,B). --spec rumerge(fun((X, Y) -> boolean()), [X], [Y]) -> [_]. +-spec rumerge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)]. rumerge(Fun, T1, []) when is_function(Fun, 2) -> T1; @@ -842,7 +844,7 @@ usort_1(X, []) -> %% umerge(List) -> L %% merges a list of sorted lists without duplicates, removes duplicates --spec umerge([T]) -> [T]. +-spec umerge([[T]]) -> [T]. umerge(L) -> umergel(L). @@ -851,7 +853,7 @@ umerge(L) -> %% merges three sorted lists X, Y and Z without duplicates, %% removes duplicates --spec umerge3([_], [_], [_]) -> [_]. +-spec umerge3([X], [Y], [Z]) -> [(X | Y | Z)]. umerge3(L1, [], L3) -> umerge(L1, L3); @@ -864,7 +866,7 @@ umerge3(L1, [H2 | T2], [H3 | T3]) -> %% merges three reversed sorted lists X, Y and Z without duplicates, %% removes duplicates --spec rumerge3([_], [_], [_]) -> [_]. +-spec rumerge3([X], [Y], [Z]) -> [(X | Y | Z)]. rumerge3(L1, [], L3) -> rumerge(L1, L3); @@ -876,7 +878,7 @@ rumerge3(L1, [H2 | T2], [H3 | T3]) -> %% umerge(X, Y) -> L %% merges two sorted lists X and Y without duplicates, removes duplicates --spec umerge([_], [_]) -> [_]. +-spec umerge([X], [Y]) -> [(X | Y)]. umerge([], T2) -> T2; @@ -889,7 +891,7 @@ umerge([H1 | T1], T2) -> %% reverse(rumerge(reverse(A),reverse(B))) is equal to umerge(I,A,B). --spec rumerge([_], [_]) -> [_]. +-spec rumerge([X], [Y]) -> [(X | Y)]. rumerge(T1, []) -> T1; @@ -952,13 +954,13 @@ flatmap(F, [Hd|Tail]) -> F(Hd) ++ flatmap(F, Tail); flatmap(F, []) when is_function(F, 1) -> []. --spec foldl(fun((T, _) -> _), _, [T]) -> _. +-spec foldl(fun((T, term()) -> term()), term(), [T]) -> term(). foldl(F, Accu, [Hd|Tail]) -> foldl(F, F(Hd, Accu), Tail); foldl(F, Accu, []) when is_function(F, 2) -> Accu. --spec foldr(fun((T, _) -> _), _, [T]) -> _. +-spec foldr(fun((T, term()) -> term()), term(), [T]) -> term(). foldr(F, Accu, [Hd|Tail]) -> F(Hd, foldr(F, Accu, Tail)); @@ -998,14 +1000,14 @@ zf(F, [Hd|Tail]) -> end; zf(F, []) when is_function(F, 1) -> []. --spec foreach(F :: fun((T) -> _), List :: [T]) -> 'ok'. +-spec foreach(F :: fun((T) -> term()), List :: [T]) -> 'ok'. foreach(F, [Hd|Tail]) -> F(Hd), foreach(F, Tail); foreach(F, []) when is_function(F, 1) -> ok. --spec mapfoldl(fun((T, _) -> {_, _}), _, [T]) -> {[_], _}. +-spec mapfoldl(fun((A, term()) -> {B, term()}), term(), [A]) -> {[B], term()}. mapfoldl(F, Accu0, [Hd|Tail]) -> {R,Accu1} = F(Hd, Accu0), @@ -1013,7 +1015,7 @@ mapfoldl(F, Accu0, [Hd|Tail]) -> {[R|Rs],Accu2}; mapfoldl(F, Accu, []) when is_function(F, 2) -> {[],Accu}. --spec mapfoldr(fun((T, _) -> {_, _}), _, [T]) -> {[_], _}. +-spec mapfoldr(fun((A, term()) -> {B, term()}), term(), [A]) -> {[B], term()}. mapfoldr(F, Accu0, [Hd|Tail]) -> {Rs,Accu1} = mapfoldr(F, Accu0, Tail), diff --git a/lib/stdlib/src/log_mf_h.erl b/lib/stdlib/src/log_mf_h.erl index 2729f27e51..5fa5360fa1 100644 --- a/lib/stdlib/src/log_mf_h.erl +++ b/lib/stdlib/src/log_mf_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 @@ -185,13 +185,19 @@ read_index_file(Dir) -> %%----------------------------------------------------------------- %% Write the index file. This file contains one binary with %% the last used filename (an integer). +%% Write a temporary file and rename it in order to make the update +%% atomic. %%----------------------------------------------------------------- write_index_file(Dir, Index) -> - case file:open(Dir ++ "/index", [raw, write]) of + File = Dir ++ "/index", + TmpFile = File ++ ".tmp", + case file:open(TmpFile, [raw, write]) of {ok, Fd} -> - file:write(Fd, [Index]), - ok = file:close(Fd); + ok = file:write(Fd, [Index]), + ok = file:close(Fd), + ok = file:rename(TmpFile,File), + ok; _ -> exit(open_index_file) end. diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl index 78b1de6e16..b565eb20f4 100644 --- a/lib/stdlib/src/ms_transform.erl +++ b/lib/stdlib/src/ms_transform.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2009. All Rights Reserved. +%% Copyright Ericsson AB 2002-2011. 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 @@ -43,6 +43,7 @@ -define(ERR_GENREMOTECALL,22). -define(ERR_GENBINCONSTRUCT,23). -define(ERR_GENDISALLOWEDOP,24). +-define(WARN_SHADOW_VAR,50). -define(ERR_GUARDMATCH,?ERR_GENMATCH+?ERROR_BASE_GUARD). -define(ERR_BODYMATCH,?ERR_GENMATCH+?ERROR_BASE_BODY). -define(ERR_GUARDLOCALCALL,?ERR_GENLOCALCALL+?ERROR_BASE_GUARD). @@ -63,8 +64,13 @@ -define(ERR_BODYDISALLOWEDOP,?ERR_GENDISALLOWEDOP+?ERROR_BASE_BODY). %% -%% Called by compiler or ets/dbg:fun2ms when errors occur +%% Called by compiler or ets/dbg:fun2ms when errors/warnings occur %% +format_error({?WARN_SHADOW_VAR,Name}) -> + lists:flatten( + io_lib:format("variable ~p shadowed in ms_transform fun head", + [Name])); + format_error(?ERR_NOFUN) -> "Parameter of ets/dbg:fun2ms/1 is not a literal fun"; format_error(?ERR_ETS_HEAD) -> @@ -182,7 +188,7 @@ format_error(Else) -> %% transform_from_shell(Dialect, Clauses, BoundEnvironment) -> SaveFilename = setup_filename(), - case catch ms_clause_list(1,Clauses,Dialect) of + case catch ms_clause_list(1,Clauses,Dialect,gb_sets:new()) of {'EXIT',Reason} -> cleanup_filename(SaveFilename), exit(Reason); @@ -207,6 +213,7 @@ transform_from_shell(Dialect, Clauses, BoundEnvironment) -> %% parse_transform(Forms, _Options) -> SaveFilename = setup_filename(), + %io:format("Forms: ~p~n",[Forms]), case catch forms(Forms) of {'EXIT',Reason} -> cleanup_filename(SaveFilename), @@ -215,12 +222,31 @@ parse_transform(Forms, _Options) -> {error, [{cleanup_filename(SaveFilename), [{Line, ?MODULE, R}]}], []}; Else -> - cleanup_filename(SaveFilename), + %io:format("Transformed into: ~p~n",[Else]), + case get_warnings() of + [] -> + cleanup_filename(SaveFilename), + Else; + WL -> + FName = cleanup_filename(SaveFilename) , + WList = [ {FName, [{L, ?MODULE, R}]} || {L,R} <- WL ], + {warning, Else, WList} + end + end. + +get_warnings() -> + case get(warnings) of + undefined -> + []; + Else -> Else end. +add_warning(Line,R) -> + put(warnings,[{Line,R}| get_warnings()]). + setup_filename() -> - {erase(filename),erase(records)}. + {erase(filename),erase(records),erase(warnings)}. put_filename(Name) -> put(filename,Name). @@ -235,7 +261,7 @@ get_records() -> Else -> Else end. -cleanup_filename({Old,OldRec}) -> +cleanup_filename({Old,OldRec,OldWarnings}) -> Ret = case erase(filename) of undefined -> "TOP_LEVEL"; @@ -248,6 +274,12 @@ cleanup_filename({Old,OldRec}) -> Rec -> put(records,Rec) end, + case OldWarnings of + undefined -> + erase(warnings); + Warn -> + put(warnings,Warn) + end, case Old of undefined -> Ret; @@ -285,42 +317,77 @@ form({function,Line,Name0,Arity0,Clauses0}) -> form(AnyOther) -> AnyOther. function(Name, Arity, Clauses0) -> - Clauses1 = clauses(Clauses0), + {Clauses1,_} = clauses(Clauses0,gb_sets:new()), {Name,Arity,Clauses1}. -clauses([C0|Cs]) -> - C1 = clause(C0), - [C1|clauses(Cs)]; -clauses([]) -> []. -clause({clause,Line,H0,G0,B0}) -> - B1 = copy(B0), - {clause,Line,H0,G0,B1}. +clauses([C0|Cs],Bound) -> + {C1,Bound1} = clause(C0,Bound), + {C2,Bound2} = clauses(Cs,Bound1), + {[C1|C2],Bound2}; +clauses([],Bound) -> {[],Bound}. +clause({clause,Line,H0,G0,B0},Bound) -> + {H1,Bound1} = copy(H0,Bound), + {B1,Bound2} = copy(B0,Bound1), + {{clause,Line,H1,G0,B1},Bound2}. copy({call,Line,{remote,_Line2,{atom,_Line3,ets},{atom,_Line4,fun2ms}}, - As0}) -> - transform_call(ets,Line,As0); + As0},Bound) -> + {transform_call(ets,Line,As0,Bound),Bound}; copy({call,Line,{remote,_Line2,{record_field,_Line3, {atom,_Line4,''},{atom,_Line5,ets}}, - {atom,_Line6,fun2ms}}, As0}) -> + {atom,_Line6,fun2ms}}, As0},Bound) -> %% Packages... - transform_call(ets,Line,As0); + {transform_call(ets,Line,As0,Bound),Bound}; copy({call,Line,{remote,_Line2,{atom,_Line3,dbg},{atom,_Line4,fun2ms}}, - As0}) -> - transform_call(dbg,Line,As0); -copy(T) when is_tuple(T) -> - list_to_tuple(copy_list(tuple_to_list(T))); -copy(L) when is_list(L) -> - copy_list(L); -copy(AnyOther) -> - AnyOther. + As0},Bound) -> + {transform_call(dbg,Line,As0,Bound),Bound}; +copy({match,Line,A,B},Bound) -> + {B1,Bound1} = copy(B,Bound), + {A1,Bound2} = copy(A,Bound), + {{match,Line,A1,B1},gb_sets:union(Bound1,Bound2)}; +copy({var,_Line,'_'} = VarDef,Bound) -> + {VarDef,Bound}; +copy({var,_Line,Name} = VarDef,Bound) -> + Bound1 = gb_sets:add(Name,Bound), + {VarDef,Bound1}; +copy({'fun',Line,{clauses,Clauses}},Bound) -> % Dont export bindings from funs + {NewClauses,_IgnoredBindings} = copy_list(Clauses,Bound), + {{'fun',Line,{clauses,NewClauses}},Bound}; +copy({'case',Line,Of,ClausesList},Bound) -> % Dont export bindings from funs + {NewOf,NewBind0} = copy(Of,Bound), + {NewClausesList,NewBindings} = copy_case_clauses(ClausesList,NewBind0,[]), + {{'case',Line,NewOf,NewClausesList},NewBindings}; +copy(T,Bound) when is_tuple(T) -> + {L,Bound1} = copy_list(tuple_to_list(T),Bound), + {list_to_tuple(L),Bound1}; +copy(L,Bound) when is_list(L) -> + copy_list(L,Bound); +copy(AnyOther,Bound) -> + {AnyOther,Bound}. -copy_list([H|T]) -> - [copy(H)|copy_list(T)]; -copy_list([]) -> - []. +copy_case_clauses([],Bound,AddSets) -> + ReallyAdded = gb_sets:intersection(AddSets), + {[],gb_sets:union(Bound,ReallyAdded)}; +copy_case_clauses([{clause,Line,Match,Guard,Clauses}|T],Bound,AddSets) -> + {NewMatch,MatchBinds} = copy(Match,Bound), + {NewGuard,GuardBinds} = copy(Guard,MatchBinds), %% Really no new binds + {NewClauses,AllBinds} = copy(Clauses,GuardBinds), + %% To limit the setsizes, I subtract what I had before the case clause + %% and add it in the end + AddedBinds = gb_sets:subtract(AllBinds,Bound), + {NewTail,ExportedBindings} = + copy_case_clauses(T,Bound,[AddedBinds | AddSets]), + {[{clause,Line,NewMatch,NewGuard,NewClauses}|NewTail],ExportedBindings}. -transform_call(Type,_Line,[{'fun',Line2,{clauses, ClauseList}}]) -> - ms_clause_list(Line2, ClauseList,Type); -transform_call(_Type,Line,_NoAbstractFun) -> +copy_list([H|T],Bound) -> + {C1,Bound1} = copy(H,Bound), + {C2,Bound2} = copy_list(T,Bound1), + {[C1|C2],Bound2}; +copy_list([],Bound) -> + {[],Bound}. + +transform_call(Type,_Line,[{'fun',Line2,{clauses, ClauseList}}],Bound) -> + ms_clause_list(Line2, ClauseList,Type,Bound); +transform_call(_Type,Line,_NoAbstractFun,_) -> throw({error,Line,?ERR_NOFUN}). % Fixup semicolons in guards @@ -329,18 +396,19 @@ ms_clause_expand({clause, Line, Parameters, Guard = [_,_|_], Body}) -> ms_clause_expand(_Other) -> false. -ms_clause_list(Line,[H|T],Type) -> +ms_clause_list(Line,[H|T],Type,Bound) -> case ms_clause_expand(H) of NewHead when is_list(NewHead) -> - ms_clause_list(Line,NewHead ++ T, Type); + ms_clause_list(Line,NewHead ++ T, Type, Bound); false -> - {cons, Line, ms_clause(H,Type), ms_clause_list(Line, T,Type)} + {cons, Line, ms_clause(H, Type, Bound), + ms_clause_list(Line, T, Type, Bound)} end; -ms_clause_list(Line,[],_) -> +ms_clause_list(Line,[],_,_) -> {nil,Line}. -ms_clause({clause, Line, Parameters, Guards, Body},Type) -> +ms_clause({clause, Line, Parameters, Guards, Body},Type,Bound) -> check_type(Line,Parameters,Type), - {MSHead,Bindings} = transform_head(Parameters), + {MSHead,Bindings} = transform_head(Parameters,Bound), MSGuards = transform_guards(Line, Guards, Bindings), MSBody = transform_body(Line,Body,Bindings), {tuple, Line, [MSHead,MSGuards,MSBody]}. @@ -627,29 +695,31 @@ tg(Other,B) -> Element = io_lib:format("unknown element ~w", [Other]), throw({error,unknown,{?ERR_GENELEMENT+B#tgd.eb,Element}}). -transform_head([V]) -> +transform_head([V],OuterBound) -> Bind = cre_bind(), - {NewV,NewBind} = toplevel_head_match(V,Bind), - th(NewV,NewBind). + {NewV,NewBind} = toplevel_head_match(V,Bind,OuterBound), + th(NewV,NewBind,OuterBound). -toplevel_head_match({match,_,{var,_,VName},Expr},B) -> +toplevel_head_match({match,Line,{var,_,VName},Expr},B,OB) -> + warn_var_clash(Line,VName,OB), {Expr,new_bind({VName,'$_'},B)}; -toplevel_head_match({match,_,Expr,{var,_,VName}},B) -> +toplevel_head_match({match,Line,Expr,{var,_,VName}},B,OB) -> + warn_var_clash(Line,VName,OB), {Expr,new_bind({VName,'$_'},B)}; -toplevel_head_match(Other,B) -> +toplevel_head_match(Other,B,_OB) -> {Other,B}. -th({record,Line,RName,RFields},B) -> +th({record,Line,RName,RFields},B,OB) -> % youch... RDefs = get_records(), {KeyList0,NewB} = lists:foldl(fun({record_field,_,{atom,_,Key},Value}, {L,B0}) -> - {NV,B1} = th(Value,B0), + {NV,B1} = th(Value,B0,OB), {[{Key,NV}|L],B1}; ({record_field,_,{var,_,'_'},Value}, {L,B0}) -> - {NV,B1} = th(Value,B0), + {NV,B1} = th(Value,B0,OB), {[{{default},NV}|L],B1}; (_,_) -> throw({error,Line,{?ERR_HEADBADREC, @@ -692,9 +762,9 @@ th({record,Line,RName,RFields},B) -> _ -> throw({error,Line,{?ERR_HEADBADREC,RName}}) end; -th({match,Line,_,_},_) -> +th({match,Line,_,_},_,_) -> throw({error,Line,?ERR_HEADMATCH}); -th({atom,Line,A},B) -> +th({atom,Line,A},B,_OB) -> case atom_to_list(A) of [$$|NL] -> case (catch list_to_integer(NL)) of @@ -706,10 +776,11 @@ th({atom,Line,A},B) -> _ -> {{atom,Line,A},B} end; -th({bin_element,_Line0,{var, Line, A},_,_},_) -> +th({bin_element,_Line0,{var, Line, A},_,_},_,_) -> throw({error,Line,{?ERR_HEADBINMATCH,A}}); -th({var,Line,Name},B) -> +th({var,Line,Name},B,OB) -> + warn_var_clash(Line,Name,OB), case lkup_bind(Name,B) of undefined -> NewB = new_bind(Name,B), @@ -717,16 +788,24 @@ th({var,Line,Name},B) -> Trans -> {{atom,Line,Trans},B} end; -th([H|T],B) -> - {NH,NB} = th(H,B), - {NT,NNB} = th(T,NB), +th([H|T],B,OB) -> + {NH,NB} = th(H,B,OB), + {NT,NNB} = th(T,NB,OB), {[NH|NT],NNB}; -th(T,B) when is_tuple(T) -> - {L,NB} = th(tuple_to_list(T),B), +th(T,B,OB) when is_tuple(T) -> + {L,NB} = th(tuple_to_list(T),B,OB), {list_to_tuple(L),NB}; -th(Nonstruct,B) -> +th(Nonstruct,B,_OB) -> {Nonstruct,B}. +warn_var_clash(Line,Name,OuterBound) -> + case gb_sets:is_member(Name,OuterBound) of + true -> + add_warning(Line,{?WARN_SHADOW_VAR,Name}); + _ -> + ok + end. + %% Could be more efficient... check_multi_field(_, _, [], _) -> ok; diff --git a/lib/stdlib/src/orddict.erl b/lib/stdlib/src/orddict.erl index c7b52b933e..4e30c9eefd 100644 --- a/lib/stdlib/src/orddict.erl +++ b/lib/stdlib/src/orddict.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 @@ -151,7 +151,7 @@ map(F, [{Key,Val}|D]) -> [{Key,F(Key, Val)}|map(F, D)]; map(F, []) when is_function(F, 2) -> []. --spec filter(fun((term(), term()) -> term()), orddict()) -> orddict(). +-spec filter(fun((term(), term()) -> boolean()), orddict()) -> orddict(). filter(F, [{Key,Val}=E|D]) -> case F(Key, Val) of diff --git a/lib/stdlib/src/ordsets.erl b/lib/stdlib/src/ordsets.erl index 05041c15f1..5a1c260703 100644 --- a/lib/stdlib/src/ordsets.erl +++ b/lib/stdlib/src/ordsets.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 @@ -26,12 +26,14 @@ -export([subtract/2,is_subset/2]). -export([fold/3,filter/2]). +-export_type([ordset/1]). + -type ordset(T) :: [T]. %% new() -> Set. %% Return a new empty ordered set. --spec new() -> ordset(term()). +-spec new() -> []. new() -> []. @@ -84,7 +86,7 @@ is_element(_, []) -> false. %% add_element(Element, OrdSet) -> OrdSet. %% Return OrdSet with Element inserted in it. --spec add_element(term(), ordset(_)) -> ordset(_). +-spec add_element(E, ordset(T)) -> [T | E,...]. add_element(E, [H|Es]) when E > H -> [H|add_element(E, Es)]; add_element(E, [H|_]=Set) when E < H -> [E|Set]; @@ -94,7 +96,7 @@ add_element(E, []) -> [E]. %% del_element(Element, OrdSet) -> OrdSet. %% Return OrdSet but with Element removed. --spec del_element(term(), ordset(_)) -> ordset(_). +-spec del_element(term(), ordset(T)) -> ordset(T). del_element(E, [H|Es]) when E > H -> [H|del_element(E, Es)]; del_element(E, [H|_]=Set) when E < H -> Set; @@ -104,7 +106,7 @@ del_element(_, []) -> []. %% union(OrdSet1, OrdSet2) -> OrdSet %% Return the union of OrdSet1 and OrdSet2. --spec union(ordset(_), ordset(_)) -> ordset(_). +-spec union(ordset(T1), ordset(T2)) -> ordset(T1 | T2). union([E1|Es1], [E2|_]=Set2) when E1 < E2 -> [E1|union(Es1, Set2)]; @@ -118,7 +120,7 @@ union(Es1, []) -> Es1. %% union([OrdSet]) -> OrdSet %% Return the union of the list of ordered sets. --spec union([ordset(_)]) -> ordset(_). +-spec union([ordset(T)]) -> ordset(T). union([S1,S2|Ss]) -> union1(union(S1, S2), Ss); @@ -147,7 +149,7 @@ intersection(_, []) -> %% intersection([OrdSet]) -> OrdSet. %% Return the intersection of the list of ordered sets. --spec intersection([ordset(_)]) -> ordset(_). +-spec intersection([ordset(_),...]) -> ordset(_). intersection([S1,S2|Ss]) -> intersection1(intersection(S1, S2), Ss); @@ -206,7 +208,7 @@ is_subset(_, []) -> false. %% fold(Fun, Accumulator, OrdSet) -> Accumulator. %% Fold function Fun over all elements in OrdSet and return Accumulator. --spec fold(fun((_, _) -> _), _, ordset(_)) -> _. +-spec fold(fun((T, term()) -> term()), term(), ordset(T)) -> term(). fold(F, Acc, Set) -> lists:foldl(F, Acc, Set). @@ -214,7 +216,7 @@ fold(F, Acc, Set) -> %% filter(Fun, OrdSet) -> OrdSet. %% Filter OrdSet with Fun. --spec filter(fun((_) -> boolean()), ordset(_)) -> ordset(_). +-spec filter(fun((T) -> boolean()), ordset(T)) -> ordset(T). filter(F, Set) -> lists:filter(F, Set). diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl index 1514414e48..5c52dfcbf0 100644 --- a/lib/stdlib/src/otp_internal.erl +++ b/lib/stdlib/src/otp_internal.erl @@ -361,6 +361,12 @@ obsolete_1(erlang, concat_binary, 1) -> obsolete_1(ssl, peercert, 2) -> {deprecated,"deprecated (will be removed in R15A); use ssl:peercert/1 and public_key:pkix_decode_cert/2 instead"}; +%% Added in R14B. +obsolete_1(public_key, pem_to_der, 1) -> + {deprecated,"deprecated (will be removed in R15A); use file:read_file/1 and public_key:pem_decode/1"}; +obsolete_1(public_key, decode_private_key, A) when A =:= 1; A =:= 2 -> + {deprecated,{public_key,pem_entry_decode,1},"R15A"}; + obsolete_1(_, _, _) -> no. diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl index 6e48d95973..bc6944e520 100644 --- a/lib/stdlib/src/qlc.erl +++ b/lib/stdlib/src/qlc.erl @@ -24,6 +24,8 @@ %% External exports +%% Avoid warning for local function error/1 clashing with autoimported BIF. +-compile({no_auto_import,[error/1]}). -export([parse_transform/2, transform_from_evaluator/2]). -export([q/1, q/2]). diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl index 296a6b3d23..e2cc9f57ce 100644 --- a/lib/stdlib/src/re.erl +++ b/lib/stdlib/src/re.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2011. 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 @@ -37,16 +37,16 @@ split(Subject,RE,Options) -> {error,_Err} -> throw(badre); {PreCompiled, NumSub, RunOpt} -> - % OK, lets run + %% OK, lets run case re:run(FlatSubject,PreCompiled,RunOpt ++ [global]) of nomatch -> case Group of true -> convert_any_split_result([[FlatSubject]], - Convert, Unicode,true); + Convert, Unicode, true); false -> convert_any_split_result([FlatSubject], - Convert, Unicode,false) + Convert, Unicode, false) end; {match, Matches} -> Res = do_split(FlatSubject, 0, Matches, NumSub, @@ -69,7 +69,7 @@ split(Subject,RE,Options) -> erlang:error(badarg,[Subject,RE,Options]) end. -backstrip_empty(List,false) -> +backstrip_empty(List, false) -> do_backstrip_empty(List); backstrip_empty(List, true) -> do_backstrip_empty_g(List). @@ -196,41 +196,36 @@ compile_split(Pat,Options0) when not is_tuple(Pat) -> end; compile_split(_,_) -> throw(badre). - - replace(Subject,RE,Replacement) -> replace(Subject,RE,Replacement,[]). + replace(Subject,RE,Replacement,Options) -> try {NewOpt,Convert,Unicode} = process_repl_params(Options,iodata,false), FlatSubject = to_binary(Subject, Unicode), FlatReplacement = to_binary(Replacement, Unicode), - case do_replace(FlatSubject,Subject,RE,FlatReplacement,NewOpt) of - {error,_Err} -> - throw(badre); - IoList -> - case Convert of - iodata -> - IoList; - binary -> - case Unicode of - false -> - iolist_to_binary(IoList); - true -> - unicode:characters_to_binary(IoList,unicode) - end; - list -> - case Unicode of - false -> - binary_to_list(iolist_to_binary(IoList)); - true -> - unicode:characters_to_list(IoList,unicode) - end - end - end + IoList = do_replace(FlatSubject,Subject,RE,FlatReplacement,NewOpt), + case Convert of + iodata -> + IoList; + binary -> + case Unicode of + false -> + iolist_to_binary(IoList); + true -> + unicode:characters_to_binary(IoList,unicode) + end; + list -> + case Unicode of + false -> + binary_to_list(iolist_to_binary(IoList)); + true -> + unicode:characters_to_list(IoList,unicode) + end + end catch throw:badopt -> erlang:error(badarg,[Subject,RE,Replacement,Options]); @@ -239,7 +234,7 @@ replace(Subject,RE,Replacement,Options) -> error:badarg -> erlang:error(badarg,[Subject,RE,Replacement,Options]) end. - + do_replace(FlatSubject,Subject,RE,Replacement,Options) -> case re:run(FlatSubject,RE,Options) of @@ -314,7 +309,7 @@ apply_mlist(Subject,Replacement,Mlist) -> precomp_repl(<<>>) -> []; precomp_repl(<<$\\,X,Rest/binary>>) when X < $1 ; X > $9 -> - % Escaped character + %% Escaped character case precomp_repl(Rest) of [BHead | T0] when is_binary(BHead) -> [<<X,BHead/binary>> | T0]; @@ -524,7 +519,7 @@ process_uparams([H|T],Type) -> {[H|NL],NType}; process_uparams([],Type) -> {[],Type}. - + ucompile(RE,Options) -> try @@ -548,6 +543,7 @@ urun(Subject,RE,Options) -> [Subject,RE,Options])), erlang:raise(error,AnyError,[{Mod,run,L}|Rest]) end. + urun2(Subject0,RE0,Options0) -> {Options,RetType} = case (catch process_uparams(Options0,index)) of {A,B} -> @@ -573,7 +569,6 @@ urun2(Subject0,RE0,Options0) -> _ -> Ret end. - %% Might be called either with two-tuple (if regexp was already compiled) diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl index 6636a03f06..264348180f 100644 --- a/lib/stdlib/src/string.erl +++ b/lib/stdlib/src/string.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 @@ -201,7 +201,7 @@ chars(C, 0, Tail) when is_integer(C) -> -spec copies(string(), non_neg_integer()) -> string(). -copies(CharList, Num) when is_list(CharList), Num >= 0 -> +copies(CharList, Num) when is_list(CharList), is_integer(Num), Num >= 0 -> copies(CharList, Num, []). copies(_CharList, 0, R) -> diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index f5d5441184..368dc2e3e5 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. 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 @@ -33,12 +33,14 @@ -export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3]). -export([handle_cast/2]). --export_type([child_spec/0, strategy/0]). +%%-------------------------------------------------------------------------- + +-export_type([child_spec/0, del_err/0, startchild_ret/0, strategy/0]). %%-------------------------------------------------------------------------- -type child_id() :: pid() | 'undefined'. --type mfargs() :: {module(), atom(), [term()]}. +-type mfargs() :: {module(), atom(), [term()] | undefined}. -type modules() :: [module()] | 'dynamic'. -type restart() :: 'permanent' | 'transient' | 'temporary'. -type shutdown() :: 'brutal_kill' | timeout(). @@ -67,7 +69,7 @@ -record(state, {name, strategy :: strategy(), children = [] :: [child()], - dynamics = ?DICT:new() :: ?DICT(), + dynamics :: ?DICT() | list(), intensity :: non_neg_integer(), period :: pos_integer(), restarts = [], @@ -77,6 +79,10 @@ -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) -> @@ -160,11 +166,13 @@ check_childspecs(X) -> {error, {badarg, X}}. %%% %%% --------------------------------------------------- +-type init_sup_name() :: sup_name() | 'self'. + -type stop_rsn() :: 'shutdown' | {'bad_return', {module(),'init', term()}} | {'bad_start_spec', term()} | {'start_spec', term()} | {'supervisor_data', term()}. --spec init({sup_name(), module(), [term()]}) -> +-spec init({init_sup_name(), module(), [term()]}) -> {'ok', state()} | 'ignore' | {'stop', stop_rsn()}. init({SupName, Mod, Args}) -> @@ -184,7 +192,7 @@ init({SupName, Mod, Args}) -> Error -> {stop, {bad_return, {Mod, init, Error}}} end. - + init_children(State, StartSpec) -> SupName = State#state.name, case check_startspec(StartSpec) of @@ -275,16 +283,15 @@ do_start_child_i(M, F, A) -> -spec handle_call(call(), term(), state()) -> {'reply', term(), state()}. handle_call({start_child, EArgs}, _From, State) when ?is_simple(State) -> - #child{mfargs = {M, F, A}} = hd(State#state.children), + Child = hd(State#state.children), + #child{mfargs = {M, F, A}} = Child, Args = A ++ EArgs, case do_start_child_i(M, F, Args) of {ok, Pid} -> - NState = State#state{dynamics = - ?DICT:store(Pid, Args, State#state.dynamics)}, + NState = save_dynamic_child(Child#child.restart_type, Pid, Args, State), {reply, {ok, Pid}, NState}; {ok, Pid, Extra} -> - NState = State#state{dynamics = - ?DICT:store(Pid, Args, State#state.dynamics)}, + NState = save_dynamic_child(Child#child.restart_type, Pid, Args, State), {reply, {ok, Pid, Extra}, NState}; What -> {reply, What, State} @@ -337,16 +344,30 @@ handle_call({delete_child, Name}, _From, State) -> handle_call({terminate_child, Name}, _From, State) -> case get_child(Name, State) of {value, Child} -> - NChild = do_terminate(Child, State#state.name), - {reply, ok, replace_child(NChild, State)}; + case do_terminate(Child, State#state.name) of + #child{restart_type = temporary} = NChild -> + {reply, ok, state_del_child(NChild, State)}; + NChild -> + {reply, ok, replace_child(NChild, State)} + end; _ -> {reply, {error, not_found}, State} end; -handle_call(which_children, _From, State) when ?is_simple(State) -> - [#child{child_type = CT, modules = Mods}] = State#state.children, +handle_call(which_children, _From, #state{children = [#child{restart_type = temporary, + child_type = CT, + modules = Mods}]} = + State) when ?is_simple(State) -> + Reply = lists:map(fun(Pid) -> {undefined, Pid, CT, Mods} end, dynamics_db(temporary, + State#state.dynamics)), + {reply, Reply, State}; + +handle_call(which_children, _From, #state{children = [#child{restart_type = RType, + child_type = CT, + modules = Mods}]} = + State) when ?is_simple(State) -> Reply = lists:map(fun({Pid, _}) -> {undefined, Pid, CT, Mods} end, - ?DICT:to_list(State#state.dynamics)), + ?DICT:to_list(dynamics_db(RType, State#state.dynamics))), {reply, Reply, State}; handle_call(which_children, _From, State) -> @@ -358,13 +379,31 @@ handle_call(which_children, _From, State) -> State#state.children), {reply, Resp, State}; -handle_call(count_children, _From, State) when ?is_simple(State) -> - [#child{child_type = CT}] = State#state.children, + +handle_call(count_children, _From, #state{children = [#child{restart_type = temporary, + child_type = CT}]} = State) + when ?is_simple(State) -> + {Active, Count} = + lists:foldl(fun(Pid, {Alive, Tot}) -> + if is_pid(Pid) -> {Alive+1, Tot +1}; + true -> {Alive, Tot + 1} end + end, {0, 0}, dynamics_db(temporary, State#state.dynamics)), + Reply = case CT of + supervisor -> [{specs, 1}, {active, Active}, + {supervisors, Count}, {workers, 0}]; + worker -> [{specs, 1}, {active, Active}, + {supervisors, 0}, {workers, Count}] + end, + {reply, Reply, State}; + +handle_call(count_children, _From, #state{children = [#child{restart_type = RType, + child_type = CT}]} = State) + when ?is_simple(State) -> {Active, Count} = ?DICT:fold(fun(Pid, _Val, {Alive, Tot}) -> if is_pid(Pid) -> {Alive+1, Tot +1}; true -> {Alive, Tot + 1} end - end, {0, 0}, State#state.dynamics), + end, {0, 0}, dynamics_db(RType, State#state.dynamics)), Reply = case CT of supervisor -> [{specs, 1}, {active, Active}, {supervisors, Count}, {workers, 0}]; @@ -527,15 +566,11 @@ handle_start_child(Child, State) -> false -> case do_start_child(State#state.name, Child) of {ok, Pid} -> - Children = State#state.children, {{ok, Pid}, - State#state{children = - [Child#child{pid = Pid}|Children]}}; + save_child(Child#child{pid = Pid}, State)}; {ok, Pid, Extra} -> - Children = State#state.children, {{ok, Pid, Extra}, - State#state{children = - [Child#child{pid = Pid}|Children]}}; + save_child(Child#child{pid = Pid}, State)}; {error, What} -> {{error, {What, Child}}, State} end; @@ -550,22 +585,21 @@ handle_start_child(Child, State) -> %%% Returns: {ok, state()} | {shutdown, state()} %%% --------------------------------------------------- -restart_child(Pid, Reason, State) when ?is_simple(State) -> - case ?DICT:find(Pid, State#state.dynamics) of +restart_child(Pid, Reason, #state{children = [Child]} = State) when ?is_simple(State) -> + RestartType = Child#child.restart_type, + case dynamic_child_args(Pid, dynamics_db(RestartType, State#state.dynamics)) of {ok, Args} -> - [Child] = State#state.children, - RestartType = Child#child.restart_type, {M, F, _} = Child#child.mfargs, NChild = Child#child{pid = Pid, mfargs = {M, F, Args}}, do_restart(RestartType, Reason, NChild, State); error -> - {ok, State} + {ok, State} end; + restart_child(Pid, Reason, State) -> Children = State#state.children, case lists:keyfind(Pid, #child.pid, Children) of - #child{} = Child -> - RestartType = Child#child.restart_type, + #child{restart_type = RestartType} = Child -> do_restart(RestartType, Reason, Child, State); false -> {ok, State} @@ -600,7 +634,8 @@ restart(Child, State) -> restart(simple_one_for_one, Child, State) -> #child{mfargs = {M, F, A}} = Child, - Dynamics = ?DICT:erase(Child#child.pid, State#state.dynamics), + Dynamics = ?DICT:erase(Child#child.pid, dynamics_db(Child#child.restart_type, + State#state.dynamics)), case do_start_child_i(M, F, A) of {ok, Pid} -> NState = State#state{dynamics = ?DICT:store(Pid, A, Dynamics)}, @@ -660,14 +695,15 @@ terminate_children([], _SupName, Res) -> Res. do_terminate(Child, SupName) when Child#child.pid =/= undefined -> - case shutdown(Child#child.pid, - Child#child.shutdown) of - ok -> - Child#child{pid = undefined}; - {error, OtherReason} -> - report_error(shutdown_error, OtherReason, Child, SupName), - Child#child{pid = undefined} - end; + case shutdown(Child#child.pid, Child#child.shutdown) of + ok -> + ok; + {error, normal} when Child#child.restart_type =/= permanent -> + ok; + {error, OtherReason} -> + report_error(shutdown_error, OtherReason, Child, SupName) + end, + Child#child{pid = undefined}; do_terminate(Child, _SupName) -> Child. @@ -746,15 +782,51 @@ monitor_child(Pid) -> %%----------------------------------------------------------------- %% Child/State manipulating functions. %%----------------------------------------------------------------- -state_del_child(#child{pid = Pid}, State) when ?is_simple(State) -> - NDynamics = ?DICT:erase(Pid, State#state.dynamics), + +%% Note we do not want to save the parameter list for temporary processes as +%% they will not be restarted, and hence we do not need this information. +%% Especially for dynamic children to simple_one_for_one supervisors +%% it could become very costly as it is not uncommon to spawn +%% very many such processes. +save_child(#child{restart_type = temporary, + mfargs = {M, F, _}} = Child, #state{children = Children} = State) -> + State#state{children = [Child#child{mfargs = {M, F, undefined}} |Children]}; +save_child(Child, #state{children = Children} = State) -> + State#state{children = [Child |Children]}. + +save_dynamic_child(temporary, Pid, _, #state{dynamics = Dynamics} = State) -> + State#state{dynamics = [Pid | dynamics_db(temporary, Dynamics)]}; +save_dynamic_child(RestartType, Pid, Args, #state{dynamics = Dynamics} = State) -> + State#state{dynamics = ?DICT:store(Pid, Args, dynamics_db(RestartType, Dynamics))}. + +dynamics_db(temporary, undefined) -> + []; +dynamics_db(_, undefined) -> + ?DICT:new(); +dynamics_db(_,Dynamics) -> + Dynamics. + +dynamic_child_args(_, Dynamics) when is_list(Dynamics)-> + {ok, undefined}; +dynamic_child_args(Pid, Dynamics) -> + ?DICT:find(Pid, Dynamics). + +state_del_child(#child{pid = Pid, restart_type = temporary}, State) when ?is_simple(State) -> + NDynamics = lists:delete(Pid, dynamics_db(temporary, State#state.dynamics)), + State#state{dynamics = NDynamics}; +state_del_child(#child{pid = Pid, restart_type = RType}, State) when ?is_simple(State) -> + NDynamics = ?DICT:erase(Pid, dynamics_db(RType, State#state.dynamics)), State#state{dynamics = NDynamics}; state_del_child(Child, State) -> NChildren = del_child(Child#child.name, State#state.children), State#state{children = NChildren}. +del_child(Name, [Ch|Chs]) when Ch#child.name =:= Name, Ch#child.restart_type =:= temporary -> + Chs; del_child(Name, [Ch|Chs]) when Ch#child.name =:= Name -> [Ch#child{pid = undefined} | Chs]; +del_child(Pid, [Ch|Chs]) when Ch#child.pid =:= Pid, Ch#child.restart_type =:= temporary -> + Chs; del_child(Pid, [Ch|Chs]) when Ch#child.pid =:= Pid -> [Ch#child{pid = undefined} | Chs]; del_child(Name, [Ch|Chs]) -> diff --git a/lib/stdlib/src/timer.erl b/lib/stdlib/src/timer.erl index 24e14caa69..b456c5d6c1 100644 --- a/lib/stdlib/src/timer.erl +++ b/lib/stdlib/src/timer.erl @@ -33,6 +33,9 @@ %% internal exports for test purposes only -export([get_status/0]). +%% types which can be used by other modules +-export_type([tref/0]). + %% Max -define(MAX_TIMEOUT, 16#0800000). -define(TIMER_TAB, timer_tab). diff --git a/lib/stdlib/src/unicode.erl b/lib/stdlib/src/unicode.erl index 09b1deff9c..12bc60623d 100644 --- a/lib/stdlib/src/unicode.erl +++ b/lib/stdlib/src/unicode.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2009. All Rights Reserved. +%% Copyright Ericsson AB 2008-2011. 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 @@ -25,8 +25,17 @@ %% InEncoding is not {latin1 | unicode | utf8}) %% --export([characters_to_list/1, characters_to_list_int/2, characters_to_binary/1,characters_to_binary_int/2, characters_to_binary/3,bom_to_encoding/1, encoding_to_bom/1]). +-export([characters_to_list/1, characters_to_list_int/2, + characters_to_binary/1, characters_to_binary_int/2, + characters_to_binary/3, + bom_to_encoding/1, encoding_to_bom/1]). +-export_type([encoding/0]). + +-type encoding() :: 'latin1' | 'unicode' | 'utf8' + | 'utf16' | {'utf16', endian()} + | 'utf32' | {'utf32', endian()}. +-type endian() :: 'big' | 'little'. characters_to_list(ML) -> unicode:characters_to_list(ML,unicode). |