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-rw-r--r--lib/stdlib/src/array.erl21
-rw-r--r--lib/stdlib/src/beam_lib.erl52
-rw-r--r--lib/stdlib/src/calendar.erl55
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl46
-rw-r--r--lib/stdlib/src/stdlib.appup.src6
-rw-r--r--lib/stdlib/src/string.erl8
6 files changed, 137 insertions, 51 deletions
diff --git a/lib/stdlib/src/array.erl b/lib/stdlib/src/array.erl
index 939b1fb488..1504326c61 100644
--- a/lib/stdlib/src/array.erl
+++ b/lib/stdlib/src/array.erl
@@ -126,11 +126,12 @@
%% per write than base 10, but the speedup is only 21%.)
-define(DEFAULT, undefined).
--define(LEAFSIZE, 10). % the "base"
--define(NODESIZE, ?LEAFSIZE). % (no reason to have a different size)
+-define(LEAFSIZE, 10). % the "base" (assumed to be > 1)
+-define(NODESIZE, ?LEAFSIZE). % must not be LEAFSIZE-1; keep same as leaf
-define(NODEPATTERN(S), {_,_,_,_,_,_,_,_,_,_,S}). % NODESIZE+1 elements!
--define(NEW_NODE(S), % beware of argument duplication!
- setelement((?NODESIZE+1),erlang:make_tuple((?NODESIZE+1),(S)),(S))).
+-define(NEW_NODE(E,S), % general case (currently unused)
+ setelement((?NODESIZE+1),erlang:make_tuple((?NODESIZE+1),(E)),(S))).
+-define(NEW_NODE(S), erlang:make_tuple((?NODESIZE+1),(S))). % when E = S
-define(NEW_LEAF(D), erlang:make_tuple(?LEAFSIZE,(D))).
-define(NODELEAFS, ?NODESIZE*?LEAFSIZE).
@@ -605,7 +606,7 @@ grow(I, E, M) ->
grow_1(I, E, M).
grow_1(I, E, M) when I >= M ->
- grow(I, setelement(1, ?NEW_NODE(M), E), ?extend(M));
+ grow_1(I, setelement(1, ?NEW_NODE(M), E), ?extend(M));
grow_1(_I, E, M) ->
{E, M}.
@@ -1631,12 +1632,11 @@ foldl_test_() ->
?_assert(foldl(Sum, 0, from_list(lists:seq(0,10))) =:= 55),
?_assert(foldl(Reverse, [], from_list(lists:seq(0,1000)))
=:= lists:reverse(lists:seq(0,1000))),
- ?_assert({999,[N0*100+1+2,N0*2+1+1,0]} =:=
- foldl(Vals, {0,[]},
+ ?_assertEqual({N0*100+1-2,[N0*100+1+2,N0*2+1+1,0]},
+ foldl(Vals, {0,[]},
set(N0*100+1,2,
set(N0*2+1,1,
set(0,0,new())))))
-
].
-endif.
@@ -1786,12 +1786,11 @@ foldr_test_() ->
?_assert(foldr(Sum, 0, from_list(lists:seq(0,10))) =:= 55),
?_assert(foldr(List, [], from_list(lists:seq(0,1000)))
=:= lists:seq(0,1000)),
- ?_assert({999,[0,N0*2+1+1,N0*100+1+2]} =:=
- foldr(Vals, {0,[]},
+ ?_assertEqual({N0*100+1-2,[0,N0*2+1+1,N0*100+1+2]},
+ foldr(Vals, {0,[]},
set(N0*100+1,2,
set(N0*2+1,1,
set(0,0,new())))))
-
].
-endif.
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index 3386cfcbe6..aa992f17ab 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -32,8 +32,12 @@
all_chunks/1,
diff_dirs/2,
strip/1,
+ strip/2,
strip_files/1,
+ strip_files/2,
strip_release/1,
+ strip_release/2,
+ significant_chunks/0,
build_module/1,
version/1,
md5/1,
@@ -188,7 +192,16 @@ diff_dirs(Dir1, Dir2) ->
Beam2 :: beam().
strip(FileName) ->
- try strip_file(FileName)
+ strip(FileName, []).
+
+-spec strip(Beam1, AdditionalChunks) ->
+ {'ok', {module(), Beam2}} | {'error', 'beam_lib', info_rsn()} when
+ Beam1 :: beam(),
+ AdditionalChunks :: [chunkid()],
+ Beam2 :: beam().
+
+strip(FileName, AdditionalChunks) ->
+ try strip_file(FileName, AdditionalChunks)
catch Error -> Error end.
-spec strip_files(Files) ->
@@ -196,8 +209,17 @@ strip(FileName) ->
Files :: [beam()],
Beam :: beam().
-strip_files(Files) when is_list(Files) ->
- try strip_fils(Files)
+strip_files(Files) ->
+ strip_files(Files, []).
+
+-spec strip_files(Files, AdditionalChunks) ->
+ {'ok', [{module(), Beam}]} | {'error', 'beam_lib', info_rsn()} when
+ Files :: [beam()],
+ AdditionalChunks :: [chunkid()],
+ Beam :: beam().
+
+strip_files(Files, AdditionalChunks) when is_list(Files) ->
+ try strip_fils(Files, AdditionalChunks)
catch Error -> Error end.
-spec strip_release(Dir) ->
@@ -207,7 +229,17 @@ strip_files(Files) when is_list(Files) ->
Reason :: {'not_a_directory', term()} | info_rsn().
strip_release(Root) ->
- catch strip_rel(Root).
+ strip_release(Root, []).
+
+-spec strip_release(Dir, AdditionalChunks) ->
+ {'ok', [{module(), file:filename()}]}
+ | {'error', 'beam_lib', Reason} when
+ Dir :: atom() | file:filename(),
+ AdditionalChunks :: [chunkid()],
+ Reason :: {'not_a_directory', term()} | info_rsn().
+
+strip_release(Root, AdditionalChunks) ->
+ catch strip_rel(Root, AdditionalChunks).
-spec version(Beam) ->
{'ok', {module(), [Version :: term()]}} |
@@ -401,17 +433,17 @@ cmp_lists([{Id, C1} | R1], [{Id, C2} | R2]) ->
cmp_lists(_, _) ->
error(different_chunks).
-strip_rel(Root) ->
+strip_rel(Root, AdditionalChunks) ->
ok = assert_directory(Root),
- strip_fils(filelib:wildcard(filename:join(Root, "lib/*/ebin/*.beam"))).
+ strip_fils(filelib:wildcard(filename:join(Root, "lib/*/ebin/*.beam")), AdditionalChunks).
%% -> {ok, [{Mod, BinaryOrFileName}]} | throw(Error)
-strip_fils(Files) ->
- {ok, [begin {ok, Reply} = strip_file(F), Reply end || F <- Files]}.
+strip_fils(Files, AdditionalChunks) ->
+ {ok, [begin {ok, Reply} = strip_file(F, AdditionalChunks), Reply end || F <- Files]}.
%% -> {ok, {Mod, FileName}} | {ok, {Mod, binary()}} | throw(Error)
-strip_file(File) ->
- {ok, {Mod, Chunks}} = read_significant_chunks(File, significant_chunks()),
+strip_file(File, AdditionalChunks) ->
+ {ok, {Mod, Chunks}} = read_significant_chunks(File, AdditionalChunks ++ significant_chunks()),
{ok, Stripped0} = build_module(Chunks),
Stripped = compress(Stripped0),
case File of
diff --git a/lib/stdlib/src/calendar.erl b/lib/stdlib/src/calendar.erl
index 3a083d9fda..3a8fe2211b 100644
--- a/lib/stdlib/src/calendar.erl
+++ b/lib/stdlib/src/calendar.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2019. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -357,13 +357,17 @@ rfc3339_to_system_time(DateTimeString) ->
rfc3339_to_system_time(DateTimeString, Options) ->
Unit = proplists:get_value(unit, Options, second),
%% _T is the character separating the date and the time:
- {DateStr, [_T|TimeStr]} = lists:split(10, DateTimeString),
- {TimeStr2, TimeStr3} = lists:split(8, TimeStr),
- {ok, [Hour, Min, Sec], []} = io_lib:fread("~d:~d:~d", TimeStr2),
- {ok, [Year, Month, Day], []} = io_lib:fread("~d-~d-~d", DateStr),
+ [Y1, Y2, Y3, Y4, $-, Mon1, Mon2, $-, D1, D2, _T,
+ H1, H2, $:, Min1, Min2, $:, S1, S2 | TimeStr] = DateTimeString,
+ Hour = list_to_integer([H1, H2]),
+ Min = list_to_integer([Min1, Min2]),
+ Sec = list_to_integer([S1, S2]),
+ Year = list_to_integer([Y1, Y2, Y3, Y4]),
+ Month = list_to_integer([Mon1, Mon2]),
+ Day = list_to_integer([D1, D2]),
DateTime = {{Year, Month, Day}, {Hour, Min, Sec}},
IsFractionChar = fun(C) -> C >= $0 andalso C =< $9 orelse C =:= $. end,
- {FractionStr, UtcOffset} = lists:splitwith(IsFractionChar, TimeStr3),
+ {FractionStr, UtcOffset} = lists:splitwith(IsFractionChar, TimeStr),
Time = datetime_to_system_time(DateTime),
Secs = Time - offset_adjustment(Time, second, UtcOffset),
check(DateTimeString, Options, Secs),
@@ -451,8 +455,9 @@ system_time_to_rfc3339(Time, Options) ->
DateTime = system_time_to_datetime(Secs),
{{Year, Month, Day}, {Hour, Min, Sec}} = DateTime,
FractionStr = fraction_str(Factor, AdjustedTime),
- flat_fwrite("~4.10.0B-~2.10.0B-~2.10.0B~c~2.10.0B:~2.10.0B:~2.10.0B~s~s",
- [Year, Month, Day, T, Hour, Min, Sec, FractionStr, Offset]).
+ L = [pad4(Year), "-", pad2(Month), "-", pad2(Day), [T],
+ pad2(Hour), ":", pad2(Min), ":", pad2(Sec), FractionStr, Offset],
+ lists:append(L).
%% time_difference(T1, T2) = Tdiff
%%
@@ -680,7 +685,7 @@ offset(OffsetOption, Secs0) when OffsetOption =:= "";
Secs = abs(Secs0),
Hour = Secs div 3600,
Min = (Secs rem 3600) div 60,
- io_lib:fwrite("~c~2.10.0B:~2.10.0B", [Sign, Hour, Min]);
+ [Sign | lists:append([pad2(Hour), ":", pad2(Min)])];
offset(OffsetOption, _Secs) ->
OffsetOption.
@@ -695,8 +700,10 @@ offset_string_adjustment(_Time, _Unit, "Z") ->
0;
offset_string_adjustment(_Time, _Unit, "z") ->
0;
-offset_string_adjustment(_Time, _Unit, [Sign|Tz]) ->
- {ok, [Hour, Min], []} = io_lib:fread("~d:~d", Tz),
+offset_string_adjustment(_Time, _Unit, Tz) ->
+ [Sign, H1, H2, $:, M1, M2] = Tz,
+ Hour = list_to_integer([H1, H2]),
+ Min = list_to_integer([M1, M2]),
Adjustment = 3600 * Hour + 60 * Min,
case Sign of
$- -> -Adjustment;
@@ -704,8 +711,9 @@ offset_string_adjustment(_Time, _Unit, [Sign|Tz]) ->
end.
local_offset(SystemTime, Unit) ->
- LocalTime = system_time_to_local_time(SystemTime, Unit),
+ %% Not optimized for special cases.
UniversalTime = system_time_to_universal_time(SystemTime, Unit),
+ LocalTime = erlang:universaltime_to_localtime(UniversalTime),
LocalSecs = datetime_to_gregorian_seconds(LocalTime),
UniversalSecs = datetime_to_gregorian_seconds(UniversalTime),
LocalSecs - UniversalSecs.
@@ -714,7 +722,8 @@ fraction_str(1, _Time) ->
"";
fraction_str(Factor, Time) ->
Fraction = Time rem Factor,
- io_lib:fwrite(".~*..0B", [log10(Factor), abs(Fraction)]).
+ S = integer_to_list(abs(Fraction)),
+ [$. | pad(log10(Factor) - length(S), S)].
fraction(second, _) ->
0;
@@ -735,5 +744,21 @@ log10(1000) -> 3;
log10(1000000) -> 6;
log10(1000000000) -> 9.
-flat_fwrite(F, S) ->
- lists:flatten(io_lib:fwrite(F, S)).
+pad(0, S) ->
+ S;
+pad(I, S) ->
+ [$0 | pad(I - 1, S)].
+
+pad2(N) when N < 10 ->
+ [$0 | integer_to_list(N)];
+pad2(N) ->
+ integer_to_list(N).
+
+pad4(N) when N < 10 ->
+ [$0, $0, $0 | integer_to_list(N)];
+pad4(N) when N < 100 ->
+ [$0, $0 | integer_to_list(N)];
+pad4(N) when N < 1000 ->
+ [$0 | integer_to_list(N)];
+pad4(N) ->
+ integer_to_list(N).
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index 5483ea87b5..8f2fd7ea8f 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -721,7 +721,7 @@ printable_list(_L, 1, _T, _Enc) ->
printable_list(L, _D, T, latin1) when T < 0 ->
io_lib:printable_latin1_list(L);
printable_list(L, _D, T, Enc) when T >= 0 ->
- case slice(L, tsub(T, 2)) of
+ case slice(L, tsub(T, 2), Enc) of
false ->
false;
{prefix, Prefix} when Enc =:= latin1 ->
@@ -737,20 +737,46 @@ printable_list(L, _D, T, Enc) when T >= 0 ->
printable_list(L, _D, T, _Uni) when T < 0->
io_lib:printable_list(L).
-slice(L, N) ->
- try io_lib:chars_length(L) =< N of
- true ->
+slice(L, N, latin1) ->
+ try lists:split(N, L) of
+ {_, []} ->
all;
- false ->
- case string:slice(L, 0, N) of
- "" ->
- false;
- Prefix ->
- {prefix, Prefix}
+ {[], _} ->
+ false;
+ {L1, _} ->
+ {prefix, L1}
+ catch
+ _:_ ->
+ all
+ end;
+slice(L, N, _Uni) ->
+ %% Be careful not to traverse more of L than necessary.
+ try string:slice(L, 0, N) of
+ "" ->
+ false;
+ Prefix ->
+ %% Assume no binaries are introduced by string:slice().
+ case is_flat(L, lists:flatlength(Prefix)) of
+ true ->
+ case string:equal(Prefix, L) of
+ true ->
+ all;
+ false ->
+ {prefix, Prefix}
+ end;
+ false ->
+ false
end
catch _:_ -> false
end.
+is_flat(_L, 0) ->
+ true;
+is_flat([C|Cs], N) when is_integer(C) ->
+ is_flat(Cs, N - 1);
+is_flat(_, _N) ->
+ false.
+
printable_bin0(Bin, D, T, Enc) ->
Len = case D >= 0 of
true ->
diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src
index 9e5d6a3bd8..37ea97c353 100644
--- a/lib/stdlib/src/stdlib.appup.src
+++ b/lib/stdlib/src/stdlib.appup.src
@@ -40,7 +40,8 @@
{<<"^3\\.6$">>,[restart_new_emulator]},
{<<"^3\\.6\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]},
{<<"^3\\.7$">>,[restart_new_emulator]},
- {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}],
+ {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]},
+ {<<"^3\\.7\\.1(?:\\.[0-9]+)*$">>,[restart_new_emulator]}],
[{<<"^3\\.4$">>,[restart_new_emulator]},
{<<"^3\\.4\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]},
{<<"^3\\.4\\.1(?:\\.[0-9]+)*$">>,[restart_new_emulator]},
@@ -54,4 +55,5 @@
{<<"^3\\.6$">>,[restart_new_emulator]},
{<<"^3\\.6\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]},
{<<"^3\\.7$">>,[restart_new_emulator]},
- {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}]}.
+ {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]},
+ {<<"^3\\.7\\.1(?:\\.[0-9]+)*$">>,[restart_new_emulator]}]}.
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index 2939e78d9d..1f8bdc5432 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2019. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -1247,18 +1247,20 @@ split_1(Bin, [_C|_]=Needle, Start, Where, Curr0, Acc) ->
end
end.
-lexemes_m([CP|_]=Cs0, {GCs,CPs,_}=Seps, Ts) when is_integer(CP) ->
+lexemes_m([CP|_]=Cs0, {GCs,CPs,_}=Seps0, Ts) when is_integer(CP) ->
case lists:member(CP, CPs) of
true ->
[GC|Cs2] = unicode_util:gc(Cs0),
case lists:member(GC, GCs) of
true ->
- lexemes_m(Cs2, Seps, Ts);
+ lexemes_m(Cs2, Seps0, Ts);
false ->
+ Seps = search_compile(Seps0),
{Lexeme,Rest} = lexeme_pick(Cs0, Seps, []),
lexemes_m(Rest, Seps, [Lexeme|Ts])
end;
false ->
+ Seps = search_compile(Seps0),
{Lexeme,Rest} = lexeme_pick(Cs0, Seps, []),
lexemes_m(Rest, Seps, [Lexeme|Ts])
end;