aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/src
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/c.erl4
-rw-r--r--lib/stdlib/src/epp.erl2
-rw-r--r--lib/stdlib/src/erl_anno.erl8
-rw-r--r--lib/stdlib/src/erl_compile.erl4
-rw-r--r--lib/stdlib/src/erl_lint.erl87
-rw-r--r--lib/stdlib/src/erl_parse.yrl39
-rw-r--r--lib/stdlib/src/erl_pp.erl133
-rw-r--r--lib/stdlib/src/erl_tar.erl65
-rw-r--r--lib/stdlib/src/escript.erl8
-rw-r--r--lib/stdlib/src/ets.erl28
-rw-r--r--lib/stdlib/src/io_lib.erl24
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl14
-rw-r--r--lib/stdlib/src/otp_internal.erl178
-rw-r--r--lib/stdlib/src/qlc_pt.erl4
-rw-r--r--lib/stdlib/src/rand.erl537
-rw-r--r--lib/stdlib/src/re.erl7
-rw-r--r--lib/stdlib/src/shell.erl17
-rw-r--r--lib/stdlib/src/stdlib.appup.src4
18 files changed, 854 insertions, 309 deletions
diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl
index 52df2319dd..bb7b485490 100644
--- a/lib/stdlib/src/c.erl
+++ b/lib/stdlib/src/c.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. 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.
@@ -400,7 +400,7 @@ split_def([], Res) -> {d, list_to_atom(reverse(Res))}.
make_term(Str) ->
case erl_scan:string(Str) of
{ok, Tokens, _} ->
- case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of
+ case erl_parse:parse_term(Tokens ++ [{dot, erl_anno:new(1)}]) of
{ok, Term} -> Term;
{error, {_,_,Reason}} ->
io:format("~ts: ~ts~n", [Reason, Str]),
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 40eba4ad67..61d755ba55 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -286,7 +286,7 @@ parse_file(Epp) ->
{warning,W} ->
[{warning,W}|parse_file(Epp)];
{eof,Location} ->
- [{eof,erl_anno:new(Location)}]
+ [{eof,Location}]
end.
-spec default_encoding() -> source_encoding().
diff --git a/lib/stdlib/src/erl_anno.erl b/lib/stdlib/src/erl_anno.erl
index d32c34dabd..d0310f52e2 100644
--- a/lib/stdlib/src/erl_anno.erl
+++ b/lib/stdlib/src/erl_anno.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. 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.
@@ -42,7 +42,7 @@
%% Debug: define DEBUG to make sure that annotations are handled as an
%% opaque type. Note that all abstract code need to be compiled with
-%% DEBUG=true. See also ./erl_pp.erl.
+%% DEBUG=true. See also ./erl_pp.erl and ./erl_parse.yrl.
%-define(DEBUG, true).
@@ -52,7 +52,11 @@
| {'record', record()}
| {'text', string()}.
+-ifdef(DEBUG).
+-opaque anno() :: [annotation(), ...].
+-else.
-opaque anno() :: location() | [annotation(), ...].
+-endif.
-type anno_term() :: term().
-type column() :: pos_integer().
diff --git a/lib/stdlib/src/erl_compile.erl b/lib/stdlib/src/erl_compile.erl
index a6ae398d03..76db2eeacd 100644
--- a/lib/stdlib/src/erl_compile.erl
+++ b/lib/stdlib/src/erl_compile.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2017. 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.
@@ -337,7 +337,7 @@ file_or_directory(Name) ->
make_term(Str) ->
case erl_scan:string(Str) of
{ok, Tokens, _} ->
- case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of
+ case erl_parse:parse_term(Tokens ++ [{dot, erl_anno:new(1)}]) of
{ok, Term} -> Term;
{error, {_,_,Reason}} ->
io:format(?STDERR, "~ts: ~ts~n", [Reason, Str]),
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 1b84234fac..78b7a0e751 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. 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.
@@ -156,6 +156,8 @@ format_error(pmod_unsupported) ->
"parameterized modules are no longer supported";
%% format_error({redefine_mod_import, M, P}) ->
%% io_lib:format("module '~s' already imported from package '~s'", [M, P]);
+format_error(non_latin1_module_unsupported) ->
+ "module names with non-latin1 characters are not supported";
format_error(invalid_call) ->
"invalid function call";
@@ -402,6 +404,10 @@ format_error({not_exported_opaque, {TypeName, Arity}}) ->
format_error({underspecified_opaque, {TypeName, Arity}}) ->
io_lib:format("opaque type ~w~s is underspecified and therefore meaningless",
[TypeName, gen_type_paren(Arity)]);
+format_error({bad_dialyzer_attribute,Term}) ->
+ io_lib:format("badly formed dialyzer attribute: ~w", [Term]);
+format_error({bad_dialyzer_option,Term}) ->
+ io_lib:format("unknown dialyzer warning option: ~w", [Term]);
%% --- obsolete? unused? ---
format_error({format_error, {Fmt, Args}}) ->
io_lib:format(Fmt, Args).
@@ -733,13 +739,27 @@ form(Form, #lint{state=State}=St) ->
start_state({attribute,Line,module,{_,_}}=Form, St0) ->
St1 = add_error(Line, pmod_unsupported, St0),
attribute_state(Form, St1#lint{state=attribute});
-start_state({attribute,_,module,M}, St0) ->
+start_state({attribute,Line,module,M}, St0) ->
St1 = St0#lint{module=M},
- St1#lint{state=attribute};
+ St2 = St1#lint{state=attribute},
+ case is_non_latin1_name(M) of
+ true ->
+ add_error(Line, non_latin1_module_unsupported, St2);
+ false ->
+ St2
+ end;
start_state(Form, St) ->
- St1 = add_error(element(2, Form), undefined_module, St),
+ Anno = case Form of
+ {eof, L} -> erl_anno:new(L);
+ %% {warning, Warning} and {error, Error} not possible here.
+ _ -> element(2, Form)
+ end,
+ St1 = add_error(Anno, undefined_module, St),
attribute_state(Form, St1#lint{state=attribute}).
+is_non_latin1_name(Name) ->
+ lists:any(fun(C) -> C > 255 end, atom_to_list(Name)).
+
%% attribute_state(Form, State) ->
%% State'
@@ -780,8 +800,7 @@ attribute_state(Form, St) ->
%% State'
%% Allow for record, type and opaque type definitions and spec
%% declarations to be intersperced within function definitions.
-%% Dialyzer attributes are also allowed everywhere, but are not
-%% checked at all.
+%% Dialyzer attributes are also allowed everywhere.
function_state({attribute,L,record,{Name,Fields}}, St) ->
record_def(L, Name, Fields, St);
@@ -867,7 +886,8 @@ post_traversal_check(Forms, St0) ->
StD = check_on_load(StC),
StE = check_unused_records(Forms, StD),
StF = check_local_opaque_types(StE),
- check_callback_information(StF).
+ StG = check_dialyzer_attribute(Forms, StF),
+ check_callback_information(StG).
%% check_behaviour(State0) -> State
%% Check that the behaviour attribute is valid.
@@ -3100,6 +3120,59 @@ check_local_opaque_types(St) ->
end,
dict:fold(FoldFun, St, Ts).
+check_dialyzer_attribute(Forms, St0) ->
+ Vals = [{L,V} ||
+ {attribute,L,dialyzer,Val} <- Forms,
+ V0 <- lists:flatten([Val]),
+ V <- case V0 of
+ {O,F} ->
+ [{A,B} ||
+ A <- lists:flatten([O]),
+ B <- lists:flatten([F])];
+ T -> [T]
+ end],
+ {Wellformed, Bad} =
+ lists:partition(fun ({_,{Option,FA}}) when is_atom(Option) ->
+ is_fa(FA);
+ ({_,Option}) when is_atom(Option) -> true;
+ (_) -> false
+ end, Vals),
+ St1 = foldl(fun ({L,Term}, St) ->
+ add_error(L, {bad_dialyzer_attribute,Term}, St)
+ end, St0, Bad),
+ DefFunctions = (gb_sets:to_list(St0#lint.defined) -- pseudolocals()),
+ Fun = fun ({L,{Option,FA}}, St) ->
+ case is_function_dialyzer_option(Option) of
+ true ->
+ case lists:member(FA, DefFunctions) of
+ true -> St;
+ false ->
+ add_error(L, {undefined_function,FA}, St)
+ end;
+ false ->
+ add_error(L, {bad_dialyzer_option,Option}, St)
+ end;
+ ({L,Option}, St) ->
+ case is_module_dialyzer_option(Option) of
+ true -> St;
+ false ->
+ add_error(L, {bad_dialyzer_option,Option}, St)
+ end
+ end,
+ foldl(Fun, St1, Wellformed).
+
+is_function_dialyzer_option(nowarn_function) -> true;
+is_function_dialyzer_option(Option) ->
+ is_module_dialyzer_option(Option).
+
+is_module_dialyzer_option(Option) ->
+ lists:member(Option,
+ [no_return,no_unused,no_improper_lists,no_fun_app,
+ no_match,no_opaque,no_fail_call,no_contracts,
+ no_behaviours,no_undefined_callbacks,unmatched_returns,
+ error_handling,race_conditions,no_missing_calls,
+ specdiffs,overspecs,underspecs,unknown]).
+
%% icrt_clauses(Clauses, In, ImportVarTable, State) ->
%% {UpdVt,State}.
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 922455a6f2..2dcddeb8c2 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -981,6 +981,16 @@ Erlang code.
%% keep track of annotation info in tokens
-define(anno(Tup), element(2, Tup)).
+%-define(DEBUG, true).
+
+-ifdef(DEBUG).
+%% Assumes that erl_anno has been compiled with DEBUG=true.
+-define(ANNO_CHECK(Tokens),
+ [] = [T || T <- Tokens, not is_list(element(2, T))]).
+-else.
+-define(ANNO_CHECK(Tokens), ok).
+-endif.
+
%% Entry points compatible to old erl_parse.
%% These really suck and are only here until Calle gets multiple
%% entry points working.
@@ -990,10 +1000,15 @@ Erlang code.
AbsForm :: abstract_form(),
ErrorInfo :: error_info().
parse_form([{'-',A1},{atom,A2,spec}|Tokens]) ->
- parse([{'-',A1},{'spec',A2}|Tokens]);
+ NewTokens = [{'-',A1},{'spec',A2}|Tokens],
+ ?ANNO_CHECK(NewTokens),
+ parse(NewTokens);
parse_form([{'-',A1},{atom,A2,callback}|Tokens]) ->
- parse([{'-',A1},{'callback',A2}|Tokens]);
+ NewTokens = [{'-',A1},{'callback',A2}|Tokens],
+ ?ANNO_CHECK(NewTokens),
+ parse(NewTokens);
parse_form(Tokens) ->
+ ?ANNO_CHECK(Tokens),
parse(Tokens).
-spec parse_exprs(Tokens) -> {ok, ExprList} | {error, ErrorInfo} when
@@ -1001,6 +1016,7 @@ parse_form(Tokens) ->
ExprList :: [abstract_expr()],
ErrorInfo :: error_info().
parse_exprs(Tokens) ->
+ ?ANNO_CHECK(Tokens),
A = erl_anno:new(0),
case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of
{ok,{function,_Lf,f,0,[{clause,_Lc,[],[],Exprs}]}} ->
@@ -1013,6 +1029,7 @@ parse_exprs(Tokens) ->
Term :: term(),
ErrorInfo :: error_info().
parse_term(Tokens) ->
+ ?ANNO_CHECK(Tokens),
A = erl_anno:new(0),
case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of
{ok,{function,_Af,f,0,[{clause,_Ac,[],[],[Expr]}]}} ->
@@ -1531,8 +1548,8 @@ type_preop_prec('#') -> {700,800}.
Fun :: fun((Anno) -> NewAnno),
Anno :: erl_anno:anno(),
NewAnno :: erl_anno:anno(),
- Abstr :: erl_parse_tree(),
- NewAbstr :: erl_parse_tree().
+ Abstr :: erl_parse_tree() | form_info(),
+ NewAbstr :: erl_parse_tree() | form_info().
map_anno(F0, Abstr) ->
F = fun(A, Acc) -> {F0(A), Acc} end,
@@ -1546,7 +1563,7 @@ map_anno(F0, Abstr) ->
Acc1 :: term(),
AccIn :: term(),
AccOut :: term(),
- Abstr :: erl_parse_tree().
+ Abstr :: erl_parse_tree() | form_info().
fold_anno(F0, Acc0, Abstr) ->
F = fun(A, Acc) -> {A, F0(A, Acc)} end,
@@ -1561,15 +1578,15 @@ fold_anno(F0, Acc0, Abstr) ->
Acc1 :: term(),
AccIn :: term(),
AccOut :: term(),
- Abstr :: erl_parse_tree(),
- NewAbstr :: erl_parse_tree().
+ Abstr :: erl_parse_tree() | form_info(),
+ NewAbstr :: erl_parse_tree() | form_info().
mapfold_anno(F, Acc0, Abstr) ->
modify_anno1(Abstr, Acc0, F).
-spec new_anno(Term) -> Abstr when
Term :: term(),
- Abstr :: erl_parse_tree().
+ Abstr :: erl_parse_tree() | form_info().
new_anno(Term) ->
F = fun(L, Acc) -> {erl_anno:new(L), Acc} end,
@@ -1577,14 +1594,14 @@ new_anno(Term) ->
NewAbstr.
-spec anno_to_term(Abstr) -> term() when
- Abstr :: erl_parse_tree().
+ Abstr :: erl_parse_tree() | form_info().
anno_to_term(Abstract) ->
F = fun(Anno, Acc) -> {erl_anno:to_term(Anno), Acc} end,
{NewAbstract, []} = modify_anno1(Abstract, [], F),
NewAbstract.
--spec anno_from_term(Term) -> erl_parse_tree() when
+-spec anno_from_term(Term) -> erl_parse_tree() | form_info() when
Term :: term().
anno_from_term(Term) ->
@@ -1629,6 +1646,8 @@ modify_anno1({warning,W}, Ac, _Mf) ->
{{warning,W},Ac};
modify_anno1({error,W}, Ac, _Mf) ->
{{error,W},Ac};
+modify_anno1({eof,L}, Ac, _Mf) ->
+ {{eof,L},Ac};
%% Expressions.
modify_anno1({clauses,Cs}, Ac, Mf) ->
{Cs1,Ac1} = modify_anno1(Cs, Ac, Mf),
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index d30cd508c1..ee5e7a11bf 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. 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.
@@ -44,13 +44,22 @@
| {encoding, latin1 | unicode | utf8}).
-type(options() :: hook_function() | [option()]).
--record(pp, {string_fun, char_fun}).
+-record(pp, {value_fun, string_fun, char_fun}).
-record(options, {hook, encoding, opts}).
%-define(DEBUG, true).
-ifdef(DEBUG).
+-define(FORM_TEST(T),
+ _ = case T of
+ {eof, _Line} -> ok;
+ {warning, _W} -> ok;
+ {error, _E} -> ok;
+ _ -> ?TEST(T)
+ end).
+-define(EXPRS_TEST(L),
+ [?TEST(E) || E <- L]).
-define(TEST(T),
%% Assumes that erl_anno has been compiled with DEBUG=true.
%% erl_pp does not use the annoations, but test it anyway.
@@ -62,6 +71,8 @@
erlang:error(badarg, [T])
end).
-else.
+-define(FORM_TEST(T), ok).
+-define(EXPRS_TEST(T), ok).
-define(TEST(T), ok).
-endif.
@@ -80,7 +91,7 @@ form(Thing) ->
Options :: options()).
form(Thing, Options) ->
- ?TEST(Thing),
+ ?FORM_TEST(Thing),
State = state(Options),
frmt(lform(Thing, options(Options)), State).
@@ -124,7 +135,7 @@ guard(Gs) ->
Options :: options()).
guard(Gs, Options) ->
- ?TEST(Gs),
+ ?EXPRS_TEST(Gs),
frmt(lguard(Gs, options(Options)), state(Options)).
-spec(exprs(Expressions) -> io_lib:chars() when
@@ -146,7 +157,7 @@ exprs(Es, Options) ->
Options :: options()).
exprs(Es, I, Options) ->
- ?TEST(Es),
+ ?EXPRS_TEST(Es),
frmt({seq,[],[],[$,],lexprs(Es, options(Options))}, I, state(Options)).
-spec(expr(Expression) -> io_lib:chars() when
@@ -203,11 +214,15 @@ state(_Hook) ->
state().
state() ->
- #pp{string_fun = fun io_lib:write_string_as_latin1/1,
+ Options = [{encoding,latin1}],
+ #pp{value_fun = fun(V) -> io_lib_pretty:print(V, Options) end,
+ string_fun = fun io_lib:write_string_as_latin1/1,
char_fun = fun io_lib:write_char_as_latin1/1}.
unicode_state() ->
- #pp{string_fun = fun io_lib:write_string/1,
+ Options = [{encoding,unicode}],
+ #pp{value_fun = fun(V) -> io_lib_pretty:print(V, Options) end,
+ string_fun = fun io_lib:write_string/1,
char_fun = fun io_lib:write_char/1}.
encoding(Options) ->
@@ -242,31 +257,30 @@ lattribute({attribute,_Line,Name,Arg}, Opts) ->
lattribute(module, {M,Vs}, _Opts) ->
A = a0(),
- attr("module",[{var,A,pname(M)},
- foldr(fun(V, C) -> {cons,A,{var,A,V},C}
- end, {nil,A}, Vs)]);
+ attr(module,[{var,A,pname(M)},
+ foldr(fun(V, C) -> {cons,A,{var,A,V},C}
+ end, {nil,A}, Vs)]);
lattribute(module, M, _Opts) ->
- attr("module", [{var,a0(),pname(M)}]);
+ attr(module, [{var,a0(),pname(M)}]);
lattribute(export, Falist, _Opts) ->
- call({var,a0(),"-export"}, [falist(Falist)], 0, options(none));
+ attrib(export, falist(Falist));
lattribute(import, Name, _Opts) when is_list(Name) ->
- attr("import", [{var,a0(),pname(Name)}]);
+ attr(import, [{var,a0(),pname(Name)}]);
lattribute(import, {From,Falist}, _Opts) ->
- attr("import",[{var,a0(),pname(From)},falist(Falist)]);
+ attrib(import, [leaf(pname(From)),falist(Falist)]);
lattribute(export_type, Talist, _Opts) ->
- call({var,a0(),"-export_type"}, [falist(Talist)], 0, options(none));
+ attrib(export_type, falist(Talist));
lattribute(optional_callbacks, Falist, Opts) ->
- ArgL = try falist(Falist)
- catch _:_ -> abstract(Falist, Opts)
- end,
- call({var,a0(),"-optional_callbacks"}, [ArgL], 0, options(none));
+ try attrib(optional_callbacks, falist(Falist))
+ catch _:_ -> attr(optional_callbacks, [abstract(Falist, Opts)])
+ end;
lattribute(file, {Name,Line}, _Opts) ->
- attr("file", [{string,a0(),Name},{integer,a0(),Line}]);
+ attr(file, [{string,a0(),Name},{integer,a0(),Line}]);
lattribute(record, {Name,Is}, Opts) ->
- Nl = leaf(format("-record(~w,", [Name])),
+ Nl = [leaf("-record("),{atom,Name},$,],
[{first,Nl,record_fields(Is, Opts)},$)];
lattribute(Name, Arg, Options) ->
- attr(write(Name), [abstract(Arg, Options)]).
+ attr(Name, [abstract(Arg, Options)]).
abstract(Arg, #options{encoding = Encoding}) ->
erl_parse:abstract(Arg, [{encoding,Encoding}]).
@@ -329,7 +343,7 @@ ltype({user_type,Line,T,Ts}, _) ->
ltype({remote_type,Line,[M,F,Ts]}, _) ->
simple_type({remote,Line,M,F}, Ts);
ltype({atom,_,T}, _) ->
- leaf(write(T));
+ {atom,T};
ltype(E, P) ->
lexpr(E, P, options(none)).
@@ -371,12 +385,12 @@ tuple_type(Ts, F) ->
specattr(SpecKind, {FuncSpec,TypeSpecs}) ->
Func = case FuncSpec of
{F,_A} ->
- format("~w", [F]);
+ {atom,F};
{M,F,_A} ->
- format("~w:~w", [M, F])
+ [{atom,M},$:,{atom,F}]
end,
{first,leaf(lists:concat(["-", SpecKind, " "])),
- {list,[{first,leaf(Func),spec_clauses(TypeSpecs)}]}}.
+ {list,[{first,Func,spec_clauses(TypeSpecs)}]}}.
spec_clauses(TypeSpecs) ->
{prefer_nl,[$;],[sig_type(T) || T <- TypeSpecs]}.
@@ -418,7 +432,10 @@ ltypes(Ts, F, Prec) ->
[F(T, Prec) || T <- Ts].
attr(Name, Args) ->
- call({var,a0(),format("-~s", [Name])}, Args, 0, options(none)).
+ {first,[$-,{atom,Name}],args(Args, options(none))}.
+
+attrib(Name, Args) ->
+ {first,[$-,{atom,Name}],[{seq,$(,$),[$,],Args}]}.
pname(['' | As]) ->
[$. | pname(As)];
@@ -430,10 +447,13 @@ pname(A) when is_atom(A) ->
write(A).
falist([]) ->
- {nil,a0()};
-falist([{Name,Arity}|Falist]) ->
- A = a0(),
- {cons,A,{var,A,format("~w/~w", [Name,Arity])},falist(Falist)}.
+ [leaf("[]")];
+falist(Falist) ->
+ L = [begin
+ {Name,Arity} = Fa,
+ [{atom,Name},leaf(format("/~w", [Arity]))]
+ end || Fa <- Falist],
+ [{seq,$[,$],$,,L}].
lfunction({function,_Line,Name,_Arity,Cs}, Opts) ->
Cll = nl_clauses(fun (C, H) -> func_clause(Name, C, H) end, $;, Opts, Cs),
@@ -478,7 +498,7 @@ lexpr({var,_,V}, _, _) -> leaf(format("~ts", [V]));
lexpr({char,_,C}, _, _) -> {char,C};
lexpr({integer,_,N}, _, _) -> leaf(write(N));
lexpr({float,_,F}, _, _) -> leaf(write(F));
-lexpr({atom,_,A}, _, _) -> leaf(write(A));
+lexpr({atom,_,A}, _, _) -> {atom,A};
lexpr({string,_,S}, _, _) -> {string,S};
lexpr({nil,_}, _, _) -> '[]';
lexpr({cons,_,H,T}, _, Opts) ->
@@ -508,7 +528,7 @@ lexpr({record, _, Name, Fs}, Prec, Opts) ->
lexpr({record_field, _, Rec, Name, F}, Prec, Opts) ->
{L,P,R} = inop_prec('#'),
Rl = lexpr(Rec, L, Opts),
- Nl = leaf(format("#~w.", [Name])),
+ Nl = [$#,{atom,Name},$.],
El = [Rl,Nl,lexpr(F, R, Opts)],
maybe_paren(P, Prec, El);
lexpr({record, _, Rec, Name, Fs}, Prec, Opts) ->
@@ -527,12 +547,12 @@ lexpr({record_field, _, Rec, F}, Prec, Opts) ->
maybe_paren(P, Prec, El);
lexpr({map, _, Fs}, Prec, Opts) ->
{P,_R} = preop_prec('#'),
- El = {first,leaf("#"),map_fields(Fs, Opts)},
+ El = {first,$#,map_fields(Fs, Opts)},
maybe_paren(P, Prec, El);
lexpr({map, _, Map, Fs}, Prec, Opts) ->
{L,P,_R} = inop_prec('#'),
Rl = lexpr(Map, L, Opts),
- El = {first,[Rl,leaf("#")],map_fields(Fs, Opts)},
+ El = {first,[Rl,$#],map_fields(Fs, Opts)},
maybe_paren(P, Prec, El);
lexpr({block,_,Es}, _, Opts) ->
{list,[{step,'begin',body(Es, Opts)},'end']};
@@ -552,13 +572,16 @@ lexpr({'receive',_,Cs,To,ToOpt}, _, Opts) ->
{step,'after',Al},
'end']};
lexpr({'fun',_,{function,F,A}}, _Prec, _Opts) ->
- leaf(format("fun ~w/~w", [F,A]));
-lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Opts) ->
- {force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))};
-lexpr({'fun',_,{function,M,F,A}}, _Prec, _Opts)
+ [leaf("fun "),{atom,F},leaf(format("/~w", [A]))];
+lexpr({'fun',L,{function,_,_}=Func,Extra}, Prec, Opts) ->
+ {force_nl,fun_info(Extra),lexpr({'fun',L,Func}, Prec, Opts)};
+lexpr({'fun',L,{function,M,F,A}}, Prec, Opts)
when is_atom(M), is_atom(F), is_integer(A) ->
%% For backward compatibility with pre-R15 abstract format.
- leaf(format("fun ~w:~w/~w", [M,F,A]));
+ Mod = erl_parse:abstract(M),
+ Fun = erl_parse:abstract(F),
+ Arity = erl_parse:abstract(A),
+ lexpr({'fun',L,{function,Mod,Fun,Arity}}, Prec, Opts);
lexpr({'fun',_,{function,M,F,A}}, _Prec, Opts) ->
%% New format in R15.
NameItem = lexpr(M, Opts),
@@ -649,7 +672,7 @@ lexpr({bin,_,Fs}, _, Opts) ->
bit_grp(Fs, Opts);
%% Special case for straight values.
lexpr({value,_,Val}, _,_) ->
- leaf(write(Val));
+ {value,Val};
%% Now do the hook.
lexpr(Other, _Precedence, #options{hook = none}) ->
leaf(format("INVALID-FORM:~w:",[Other]));
@@ -665,7 +688,7 @@ call(Name, Args, Prec, Opts) ->
maybe_paren(P, Prec, Item).
fun_info(Extra) ->
- leaf(format("% fun-info: ~w", [Extra])).
+ [leaf("% fun-info: "),{value,Extra}].
%% BITS:
@@ -706,7 +729,7 @@ bit_elem_type(T) ->
%% end of BITS
record_name(Name) ->
- leaf(format("#~w", [Name])).
+ [$#,{atom,Name}].
record_fields(Fs, Opts) ->
tuple(Fs, fun record_field/2, Opts).
@@ -908,8 +931,10 @@ frmt(Item, I, PP) ->
%%% - {force_nl,ExtraInfo,I}: fun-info (a comment) forces linebreak before I.
%%% - {prefer_nl,Sep,IPs}: forces linebreak between Is unlesss negative
%%% indentation.
+%%% - {atom,A}: an atom
%%% - {char,C}: a character
%%% - {string,S}: a string.
+%%% - {value,T}: a term.
%%% - {hook,...}, {ehook,...}: hook expressions.
%%%
%%% list, first, seq, force_nl, and prefer_nl all accept IPs, where each
@@ -970,6 +995,10 @@ f({prefer_nl,Sep,LItems}, I0, ST, WT, PP) ->
true ->
{insert_newlines(CharsSize2L, I0, ST),nsz(lists:last(Sizes), I0)}
end;
+f({value,V}, I, ST, WT, PP) ->
+ f(write_a_value(V, PP), I, ST, WT, PP);
+f({atom,A}, I, ST, WT, PP) ->
+ f(write_an_atom(A, PP), I, ST, WT, PP);
f({char,C}, I, ST, WT, PP) ->
f(write_a_char(C, PP), I, ST, WT, PP);
f({string,S}, I, ST, WT, PP) ->
@@ -1108,6 +1137,12 @@ has_nl([C|Cs]) ->
has_nl([]) ->
false.
+write_a_value(V, PP) ->
+ flat_leaf(write_value(V, PP)).
+
+write_an_atom(A, PP) ->
+ flat_leaf(write_atom(A, PP)).
+
write_a_char(C, PP) ->
flat_leaf(write_char(C, PP)).
@@ -1124,7 +1159,7 @@ write_a_string([], _N, _Len, _PP) ->
write_a_string(S, N, Len, PP) ->
SS = string:sub_string(S, 1, N),
Sl = write_string(SS, PP),
- case (length(Sl) > Len) and (N > ?MIN_SUBSTRING) of
+ case (chars_size(Sl) > Len) and (N > ?MIN_SUBSTRING) of
true ->
write_a_string(S, N-1, Len, PP);
false ->
@@ -1136,11 +1171,17 @@ flat_leaf(S) ->
L = lists:flatten(S),
{leaf,length(L),L}.
+write_value(V, PP) ->
+ (PP#pp.value_fun)(V).
+
+write_atom(A, PP) ->
+ (PP#pp.value_fun)(A).
+
write_string(S, PP) ->
- lists:flatten((PP#pp.string_fun)(S)).
+ (PP#pp.string_fun)(S).
write_char(C, PP) ->
- lists:flatten((PP#pp.char_fun)(C)).
+ (PP#pp.char_fun)(C).
%%
%% Utilities
diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl
index 086e77cd28..168ea4002c 100644
--- a/lib/stdlib/src/erl_tar.erl
+++ b/lib/stdlib/src/erl_tar.erl
@@ -69,6 +69,8 @@ format_error(invalid_gnu_1_0_sparsemap) ->
"Invalid GNU sparse map (version 1.0)";
format_error({invalid_gnu_0_1_sparsemap, Format}) ->
lists:flatten(io_lib:format("Invalid GNU sparse map (version ~s)", [Format]));
+format_error(unsafe_path) ->
+ "The path points above the current working directory";
format_error({Name,Reason}) ->
lists:flatten(io_lib:format("~ts: ~ts", [Name,format_error(Reason)]));
format_error(Atom) when is_atom(Atom) ->
@@ -120,26 +122,38 @@ do_extract(Handle, Opts) when is_list(Opts) ->
extract1(eof, Reader, _, Acc) when is_list(Acc) ->
{ok, {ok, lists:reverse(Acc)}, Reader};
+extract1(eof, Reader, _, leading_slash) ->
+ error_logger:info_msg("erl_tar: removed leading '/' from member names\n"),
+ {ok, ok, Reader};
extract1(eof, Reader, _, Acc) ->
{ok, Acc, Reader};
-extract1(#tar_header{name=Name,size=Size}=Header, Reader, Opts, Acc) ->
+extract1(#tar_header{name=Name,size=Size}=Header, Reader0, Opts, Acc0) ->
case check_extract(Name, Opts) of
true ->
- case do_read(Reader, Size) of
- {ok, Bin, Reader2} ->
- case write_extracted_element(Header, Bin, Opts) of
- ok ->
- {ok, Acc, Reader2};
- {ok, NameBin} when is_list(Acc) ->
- {ok, [NameBin | Acc], Reader2};
- {error, _} = Err ->
- throw(Err)
- end;
+ case do_read(Reader0, Size) of
+ {ok, Bin, Reader1} ->
+ Acc = extract2(Header, Bin, Opts, Acc0),
+ {ok, Acc, Reader1};
{error, _} = Err ->
throw(Err)
end;
false ->
- {ok, Acc, skip_file(Reader)}
+ {ok, Acc0, skip_file(Reader0)}
+ end.
+
+extract2(Header, Bin, Opts, Acc) ->
+ case write_extracted_element(Header, Bin, Opts) of
+ ok ->
+ case Header of
+ #tar_header{name="/"++_} ->
+ leading_slash;
+ #tar_header{} ->
+ Acc
+ end;
+ {ok, NameBin} when is_list(Acc) ->
+ [NameBin | Acc];
+ {error, _} = Err ->
+ throw(Err)
end.
%% Checks if the file Name should be extracted.
@@ -1052,14 +1066,11 @@ unpack_modern(Format, #header_v7{}=V7, Bin, #tar_header{}=Header0)
safe_join_path([], Name) ->
- strip_slashes(Name, both);
+ filename:join([Name]);
safe_join_path(Prefix, []) ->
- strip_slashes(Prefix, right);
+ filename:join([Prefix]);
safe_join_path(Prefix, Name) ->
- filename:join(strip_slashes(Prefix, right), strip_slashes(Name, both)).
-
-strip_slashes(Str, Direction) ->
- string:strip(Str, Direction, $/).
+ filename:join(Prefix, Name).
new_sparse_file_reader(Reader, Sparsemap, RealSize) ->
true = validate_sparse_entries(Sparsemap, RealSize),
@@ -1321,7 +1332,11 @@ foldl_read(TarName, Fun, Accu, #read_opts{}=Opts)
when is_function(Fun,4) ->
try open(TarName, [read|Opts#read_opts.open_mode]) of
{ok, #reader{access=read}=Reader} ->
- foldl_read(Reader, Fun, Accu, Opts);
+ try
+ foldl_read(Reader, Fun, Accu, Opts)
+ after
+ _ = close(Reader)
+ end;
{error, _} = Err ->
Err
catch
@@ -1553,7 +1568,7 @@ write_extracted_element(#tar_header{name=Name,typeflag=Type},
ok
end;
write_extracted_element(#tar_header{name=Name0}=Header, Bin, Opts) ->
- Name1 = filename:absname(Name0, Opts#read_opts.cwd),
+ Name1 = make_safe_path(Name0, Opts),
Created =
case typeflag(Header#tar_header.typeflag) of
regular ->
@@ -1581,6 +1596,16 @@ write_extracted_element(#tar_header{name=Name0}=Header, Bin, Opts) ->
not_written -> ok
end.
+make_safe_path([$/|Path], Opts) ->
+ make_safe_path(Path, Opts);
+make_safe_path(Path, #read_opts{cwd=Cwd}) ->
+ case filename:safe_relative_path(Path) of
+ unsafe ->
+ throw({error,{Path,unsafe_path}});
+ SafePath ->
+ filename:absname(SafePath, Cwd)
+ end.
+
create_regular(Name, NameInArchive, Bin, Opts) ->
case write_extracted_file(Name, Bin, Opts) of
not_written ->
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index c42ae981e7..6e8f780f7c 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2017. 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.
@@ -629,8 +629,7 @@ parse_source(S, File, Fd, StartLine, HeaderSz, CheckOnly) ->
{error, _} ->
epp_parse_file2(Epp, S2, [FileForm], OptModRes);
{eof, LastLine} ->
- Anno = anno(LastLine),
- S#state{forms_or_bin = [FileForm, {eof, Anno}]}
+ S#state{forms_or_bin = [FileForm, {eof, LastLine}]}
end,
ok = epp:close(Epp),
ok = file:close(Fd),
@@ -728,8 +727,7 @@ epp_parse_file2(Epp, S, Forms, Parsed) ->
[S#state.file,Ln,Mod:format_error(Args)]),
epp_parse_file(Epp, S#state{n_errors = S#state.n_errors + 1}, [Form | Forms]);
{eof, LastLine} ->
- Anno = anno(LastLine),
- S#state{forms_or_bin = lists:reverse([{eof, Anno} | Forms])}
+ S#state{forms_or_bin = lists:reverse([{eof, LastLine} | Forms])}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index d6fd1e3ea1..195a407570 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -70,15 +70,33 @@
match_object/2, match_object/3, match_spec_compile/1,
match_spec_run_r/3, member/2, new/2, next/2, prev/2,
rename/2, safe_fixtable/2, select/1, select/2, select/3,
- select_count/2, select_delete/2, select_reverse/1,
+ select_count/2, select_delete/2, select_replace/2, select_reverse/1,
select_reverse/2, select_reverse/3, setopts/2, slot/2,
take/2,
update_counter/3, update_counter/4, update_element/3]).
+%% internal exports
+-export([internal_request_all/0]).
+
-spec all() -> [Tab] when
Tab :: tab().
all() ->
+ receive_all(ets:internal_request_all(),
+ erlang:system_info(schedulers),
+ []).
+
+receive_all(_Ref, 0, All) ->
+ All;
+receive_all(Ref, N, All) ->
+ receive
+ {Ref, SchedAll} ->
+ receive_all(Ref, N-1, SchedAll ++ All)
+ end.
+
+-spec internal_request_all() -> reference().
+
+internal_request_all() ->
erlang:nif_error(undef).
-spec delete(Tab) -> true when
@@ -361,6 +379,14 @@ select_count(_, _) ->
select_delete(_, _) ->
erlang:nif_error(undef).
+-spec select_replace(Tab, MatchSpec) -> NumReplaced when
+ Tab :: tab(),
+ MatchSpec :: match_spec(),
+ NumReplaced :: non_neg_integer().
+
+select_replace(_, _) ->
+ erlang:nif_error(undef).
+
-spec select_reverse(Tab, MatchSpec) -> [Match] when
Tab :: tab(),
MatchSpec :: match_spec(),
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index a91143a764..28e5007e5a 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. 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.
@@ -68,8 +68,8 @@
-export([write_atom/1,write_string/1,write_string/2,write_latin1_string/1,
write_latin1_string/2, write_char/1, write_latin1_char/1]).
--export([write_string_as_latin1/1, write_string_as_latin1/2,
- write_char_as_latin1/1]).
+-export([write_atom_as_latin1/1, write_string_as_latin1/1,
+ write_string_as_latin1/2, write_char_as_latin1/1]).
-export([quote_atom/2, char_list/1, latin1_char_list/1,
deep_char_list/1, deep_latin1_char_list/1,
@@ -344,6 +344,11 @@ write_binary_body(B, _D) ->
<<X:L>> = B,
[integer_to_list(X),$:,integer_to_list(L)].
+%%% There are two functions to write Unicode atoms:
+%%% - they both escape control characters < 160;
+%%% - write_atom() never escapes characters >= 160;
+%%% - write_atom_as_latin1() also escapes characters >= 255.
+
%% write_atom(Atom) -> [Char]
%% Generate the list of characters needed to print an atom.
@@ -351,17 +356,26 @@ write_binary_body(B, _D) ->
Atom :: atom().
write_atom(Atom) ->
+ write_possibly_quoted_atom(Atom, fun write_string/2).
+
+-spec write_atom_as_latin1(Atom) -> latin1_string() when
+ Atom :: atom().
+
+write_atom_as_latin1(Atom) ->
+ write_possibly_quoted_atom(Atom, fun write_string_as_latin1/2).
+
+write_possibly_quoted_atom(Atom, PFun) ->
Chars = atom_to_list(Atom),
case quote_atom(Atom, Chars) of
true ->
- write_string(Chars, $'); %'
+ PFun(Chars, $'); %'
false ->
Chars
end.
%% quote_atom(Atom, CharList)
%% Return 'true' if atom with chars in CharList needs to be quoted, else
-%% return 'false'.
+%% return 'false'. Notice that characters >= 160 are always quoted.
-spec quote_atom(atom(), chars()) -> boolean().
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index aabccfc5d9..ff368d02da 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -105,6 +105,8 @@ print(_, _, _, 0, _M, _RF, _Enc, _Str) -> "...";
print(Term, Col, Ll, D, M, RecDefFun, Enc, Str) when Col =< 0 ->
%% ensure Col is at least 1
print(Term, 1, Ll, D, M, RecDefFun, Enc, Str);
+print(Atom, _Col, _Ll, _D, _M, _RF, Enc, _Str) when is_atom(Atom) ->
+ write_atom(Atom, Enc);
print(Term, Col, Ll, D, M0, RecDefFun, Enc, Str) when is_tuple(Term);
is_list(Term);
is_map(Term);
@@ -407,6 +409,9 @@ print_length({}, _D, _RF, _Enc, _Str) ->
{"{}", 2};
print_length(#{}=M, _D, _RF, _Enc, _Str) when map_size(M) =:= 0 ->
{"#{}", 3};
+print_length(Atom, _D, _RF, Enc, _Str) when is_atom(Atom) ->
+ S = write_atom(Atom, Enc),
+ {S, lists:flatlength(S)};
print_length(List, D, RF, Enc, Str) when is_list(List) ->
%% only flat lists are "printable"
case Str andalso printable_list(List, D, Enc) of
@@ -500,7 +505,7 @@ print_length_tuple(Tuple, D, RF, Enc, Str) ->
print_length_record(_Tuple, 1, _RF, _RDefs, _Enc, _Str) ->
{"{...}", 5};
print_length_record(Tuple, D, RF, RDefs, Enc, Str) ->
- Name = [$# | io_lib:write_atom(element(1, Tuple))],
+ Name = [$# | write_atom(element(1, Tuple), Enc)],
NameL = length(Name),
Elements = tl(tuple_to_list(Tuple)),
L = print_length_fields(RDefs, D - 1, Elements, RF, Enc, Str),
@@ -515,7 +520,7 @@ print_length_fields([Def | Defs], D, [E | Es], RF, Enc, Str) ->
print_length_fields(Defs, D - 1, Es, RF, Enc, Str)].
print_length_field(Def, D, E, RF, Enc, Str) ->
- Name = io_lib:write_atom(Def),
+ Name = write_atom(Def, Enc),
{S, L} = print_length(E, D, RF, Enc, Str),
NameL = length(Name) + 3,
{{field, Name, NameL, {S, L}}, NameL + L}.
@@ -664,6 +669,11 @@ printable_char(C,unicode) ->
C > 16#DFFF andalso C < 16#FFFE orelse
C > 16#FFFF andalso C =< 16#10FFFF.
+write_atom(A, latin1) ->
+ io_lib:write_atom_as_latin1(A);
+write_atom(A, _Uni) ->
+ io_lib:write_atom(A).
+
write_string(S, latin1) ->
io_lib:write_latin1_string(S, $"); %"
write_string(S, _Uni) ->
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 2a0e3118d0..d89ff4a624 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -55,6 +55,11 @@ obsolete_1(erlang, now, 0) ->
obsolete_1(calendar, local_time_to_universal_time, 1) ->
{deprecated, {calendar, local_time_to_universal_time_dst, 1}};
+%% *** CRYPTO added in OTP 20 ***
+
+obsolete_1(crypto, rand_uniform, 2) ->
+ {deprecated, {rand, uniform, 1}};
+
%% *** CRYPTO added in OTP 19 ***
obsolete_1(crypto, rand_bytes, 1) ->
@@ -63,178 +68,178 @@ obsolete_1(crypto, rand_bytes, 1) ->
%% *** CRYPTO added in R16B01 ***
obsolete_1(crypto, md4, 1) ->
- {deprecated, {crypto, hash, 2}};
+ {removed, {crypto, hash, 2}, "20.0"};
obsolete_1(crypto, md5, 1) ->
- {deprecated, {crypto, hash, 2}};
+ {removed, {crypto, hash, 2}, "20.0"};
obsolete_1(crypto, sha, 1) ->
- {deprecated, {crypto, hash, 2}};
+ {removed, {crypto, hash, 2}, "20.0"};
obsolete_1(crypto, md4_init, 0) ->
- {deprecated, {crypto, hash_init, 1}};
+ {removed, {crypto, hash_init, 1}, "20.0"};
obsolete_1(crypto, md5_init, 0) ->
- {deprecated, {crypto, hash_init, 1}};
+ {removed, {crypto, hash_init, 1}, "20.0"};
obsolete_1(crypto, sha_init, 0) ->
- {deprecated, {crypto, hash_init, 1}};
+ {removed, {crypto, hash_init, 1}, "20.0"};
obsolete_1(crypto, md4_update, 2) ->
- {deprecated, {crypto, hash_update, 2}};
+ {removed, {crypto, hash_update, 2}, "20.0"};
obsolete_1(crypto, md5_update, 2) ->
- {deprecated, {crypto, hash_update, 2}};
+ {removed, {crypto, hash_update, 2}, "20.0"};
obsolete_1(crypto, sha_update, 2) ->
- {deprecated, {crypto, hash_update, 2}};
+ {removed, {crypto, hash_update, 2}, "20.0"};
obsolete_1(crypto, md4_final, 1) ->
- {deprecated, {crypto, hash_final, 1}};
+ {removed, {crypto, hash_final, 1}, "20.0"};
obsolete_1(crypto, md5_final, 1) ->
- {deprecated, {crypto, hash_final, 1}};
+ {removed, {crypto, hash_final, 1}, "20.0"};
obsolete_1(crypto, sha_final, 1) ->
- {deprecated, {crypto, hash_final, 1}};
+ {removed, {crypto, hash_final, 1}, "20.0"};
obsolete_1(crypto, md5_mac, 2) ->
- {deprecated, {crypto, hmac, 3}};
+ {removed, {crypto, hmac, 3}, "20.0"};
obsolete_1(crypto, sha_mac, 2) ->
- {deprecated, {crypto, hmac, 3}};
+ {removed, {crypto, hmac, 3}, "20.0"};
obsolete_1(crypto, sha_mac, 3) ->
- {deprecated, {crypto, hmac, 4}};
+ {removed, {crypto, hmac, 4}, "20.0"};
obsolete_1(crypto, sha_mac_96, 2) ->
- {deprecated, {crypto, hmac, 4}};
+ {removed, {crypto, hmac, 4}, "20.0"};
obsolete_1(crypto, md5_mac_96, 2) ->
- {deprecated, {crypto, hmac, 4}};
+ {removed, {crypto, hmac, 4}, "20.0"};
obsolete_1(crypto, rsa_sign, 2) ->
- {deprecated, {crypto, sign, 4}};
+ {removed, {crypto, sign, 4}, "20.0"};
obsolete_1(crypto, rsa_sign, 3) ->
- {deprecated, {crypto, sign, 4}};
+ {removed, {crypto, sign, 4}, "20.0"};
obsolete_1(crypto, rsa_verify, 3) ->
- {deprecated, {crypto, verify, 5}};
+ {removed, {crypto, verify, 5}, "20.0"};
obsolete_1(crypto, rsa_verify, 4) ->
- {deprecated, {crypto, verify, 5}};
+ {removed, {crypto, verify, 5}, "20.0"};
obsolete_1(crypto, dss_sign, 2) ->
- {deprecated, {crypto, sign, 4}};
+ {removed, {crypto, sign, 4}, "20.0"};
obsolete_1(crypto, dss_sign, 3) ->
- {deprecated, {crypto, sign, 4}};
+ {removed, {crypto, sign, 4}, "20.0"};
obsolete_1(crypto, dss_verify, 3) ->
- {deprecated, {crypto, verify, 5}};
+ {removed, {crypto, verify, 5}, "20.0"};
obsolete_1(crypto, dss_verify, 4) ->
- {deprecated, {crypto, verify, 5}};
+ {removed, {crypto, verify, 5}, "20.0"};
obsolete_1(crypto, mod_exp, 3) ->
- {deprecated, {crypto, mod_pow, 3}};
+ {removed, {crypto, mod_pow, 3}, "20.0"};
obsolete_1(crypto, dh_compute_key, 3) ->
- {deprecated, {crypto, compute_key, 4}};
+ {removed, {crypto, compute_key, 4}, "20.0"};
obsolete_1(crypto, dh_generate_key, 1) ->
- {deprecated, {crypto, generate_key, 2}};
+ {removed, {crypto, generate_key, 2}, "20.0"};
obsolete_1(crypto, dh_generate_key, 2) ->
- {deprecated, {crypto, generate_key, 3}};
+ {removed, {crypto, generate_key, 3}, "20.0"};
obsolete_1(crypto, des_cbc_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, des3_cbc_encrypt, 5) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, des_ecb_encrypt, 2) ->
- {deprecated, {crypto, block_encrypt, 3}};
+ {removed, {crypto, block_encrypt, 3}, "20.0"};
obsolete_1(crypto, des_ede3_cbc_encrypt, 5) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, des_cfb_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, des3_cfb_encrypt, 5) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, blowfish_ecb_encrypt, 2) ->
- {deprecated, {crypto, block_encrypt, 3}};
+ {removed, {crypto, block_encrypt, 3}, "20.0"};
obsolete_1(crypto, blowfish_cbc_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, blowfish_cfb64_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, blowfish_ofb64_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, aes_cfb_128_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, aes_cbc_128_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, aes_cbc_256_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto,rc2_cbc_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto,rc2_40_cbc_encrypt, 3) ->
- {deprecated, {crypto, block_encrypt, 4}};
+ {removed, {crypto, block_encrypt, 4}, "20.0"};
obsolete_1(crypto, des_cbc_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, des3_cbc_decrypt, 5) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, des_ecb_decrypt, 2) ->
- {deprecated, {crypto, block_decrypt, 3}};
+ {removed, {crypto, block_decrypt, 3}, "20.0"};
obsolete_1(crypto, des_ede3_cbc_decrypt, 5) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, des_cfb_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, des3_cfb_decrypt, 5) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, blowfish_ecb_decrypt, 2) ->
- {deprecated, {crypto, block_decrypt, 3}};
+ {removed, {crypto, block_decrypt, 3}, "20.0"};
obsolete_1(crypto, blowfish_cbc_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, blowfish_cfb64_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, blowfish_ofb64_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, aes_cfb_128_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, aes_cbc_128_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, aes_cbc_256_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto,rc2_cbc_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto,rc2_40_cbc_decrypt, 3) ->
- {deprecated, {crypto, block_decrypt, 4}};
+ {removed, {crypto, block_decrypt, 4}, "20.0"};
obsolete_1(crypto, aes_ctr_stream_decrypt, 2) ->
- {deprecated, {crypto, stream_decrypt, 2}};
+ {removed, {crypto, stream_decrypt, 2}, "20.0"};
obsolete_1(crypto, aes_ctr_stream_encrypt, 2) ->
- {deprecated, {crypto, stream_encrypt, 2}};
+ {removed, {crypto, stream_encrypt, 2}, "20.0"};
obsolete_1(crypto, aes_ctr_decrypt, 3) ->
- {deprecated, {crypto, stream_decrypt, 2}};
+ {removed, {crypto, stream_decrypt, 2}, "20.0"};
obsolete_1(crypto, aes_ctr_encrypt, 3) ->
- {deprecated, {crypto, stream_encrypt, 2}};
+ {removed, {crypto, stream_encrypt, 2}, "20.0"};
obsolete_1(crypto, rc4_encrypt, 2) ->
- {deprecated, {crypto, stream_encrypt, 2}};
+ {removed, {crypto, stream_encrypt, 2}, "20.0"};
obsolete_1(crypto, rc4_encrypt_with_state, 2) ->
- {deprecated, {crypto, stream_encrypt, 2}};
+ {removed, {crypto, stream_encrypt, 2}, "20.0"};
obsolete_1(crypto, aes_ctr_stream_init, 2) ->
- {deprecated, {crypto, stream_init, 3}};
+ {removed, {crypto, stream_init, 3}, "20.0"};
obsolete_1(crypto, rc4_set_key, 1) ->
- {deprecated, {crypto, stream_init, 2}};
+ {removed, {crypto, stream_init, 2}, "20.0"};
obsolete_1(crypto, rsa_private_decrypt, 3) ->
- {deprecated, {crypto, private_decrypt, 4}};
+ {removed, {crypto, private_decrypt, 4}, "20.0"};
obsolete_1(crypto, rsa_public_decrypt, 3) ->
- {deprecated, {crypto, public_decrypt, 4}};
+ {removed, {crypto, public_decrypt, 4}, "20.0"};
obsolete_1(crypto, rsa_private_encrypt, 3) ->
- {deprecated, {crypto, private_encrypt, 4}};
+ {removed, {crypto, private_encrypt, 4}, "20.0"};
obsolete_1(crypto, rsa_public_encrypt, 3) ->
- {deprecated, {crypto, public_encrypt, 4}};
+ {removed, {crypto, public_encrypt, 4}, "20.0"};
obsolete_1(crypto, des_cfb_ivec, 2) ->
- {deprecated, {crypto, next_iv, 3}};
+ {removed, {crypto, next_iv, 3}, "20.0"};
obsolete_1(crypto,des_cbc_ivec, 1) ->
- {deprecated, {crypto, next_iv, 2}};
+ {removed, {crypto, next_iv, 2}, "20.0"};
obsolete_1(crypto, aes_cbc_ivec, 1) ->
- {deprecated, {crypto, next_iv, 2}};
+ {removed, {crypto, next_iv, 2}, "20.0"};
obsolete_1(crypto,info, 0) ->
- {deprecated, {crypto, module_info, 0}};
+ {removed, {crypto, module_info, 0}, "20.0"};
obsolete_1(crypto, strong_rand_mpint, 3) ->
- {deprecated, "needed only by deprecated functions"};
+ {removed, "removed in 20.0; only needed by removed functions"};
obsolete_1(crypto, erlint, 1) ->
- {deprecated, "needed only by deprecated functions"};
+ {removed, "removed in 20.0; only needed by removed functions"};
obsolete_1(crypto, mpint, 1) ->
- {deprecated, "needed only by deprecated functions"};
+ {removed, "removed in 20.0; only needed by removed functions"};
%% *** SNMP ***
@@ -387,13 +392,13 @@ obsolete_1(erlang, concat_binary, 1) ->
%% Added in R14A.
obsolete_1(ssl, peercert, 2) ->
- {deprecated,"deprecated (will be removed in R15A); use ssl:peercert/1 and public_key:pkix_decode_cert/2 instead"};
+ {removed ,"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"};
+ {removed,"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"};
+ {removed, "removed in R15A; use public_key:pem_entry_decode/1"};
%% Added in R14B03.
obsolete_1(docb_gen, _, _) ->
@@ -415,10 +420,10 @@ obsolete_1(inviso, _, _) ->
obsolete_1(gs, _, _) ->
{removed,"the gs application has been removed; use the wx application instead"};
obsolete_1(ssh, sign_data, 2) ->
- {deprecated,"deprecated (will be removed in R16A); use public_key:pem_decode/1, public_key:pem_entry_decode/1 "
+ {removed,"removed in R16A; use public_key:pem_decode/1, public_key:pem_entry_decode/1 "
"and public_key:sign/3 instead"};
obsolete_1(ssh, verify_data, 3) ->
- {deprecated,"deprecated (will be removed in R16A); use public_key:ssh_decode/1, and public_key:verify/4 instead"};
+ {removed,"removed in R16A; use public_key:ssh_decode/1, and public_key:verify/4 instead"};
%% Added in R16
obsolete_1(wxCalendarCtrl, enableYearChange, _) -> %% wx bug documented?
@@ -515,10 +520,9 @@ obsolete_1(erl_parse, get_attribute, 2) ->
obsolete_1(erl_lint, modify_line, 2) ->
{removed,{erl_parse,map_anno,2},"19.0"};
obsolete_1(ssl, negotiated_next_protocol, 1) ->
- {deprecated,{ssl,negotiated_protocol,1}};
-
+ {removed,"removed in 20.0; use ssl:negotiated_protocol/1 instead"};
obsolete_1(ssl, connection_info, 1) ->
- {deprecated, "deprecated; use connection_information/[1,2] instead"};
+ {removed, "removed in 20.0; use ssl:connection_information/[1,2] instead"};
obsolete_1(httpd_conf, check_enum, 2) ->
{deprecated, "deprecated; use lists:member/2 instead"};
@@ -548,7 +552,7 @@ obsolete_1(queue, lait, 1) ->
obsolete_1(overload, _, _) ->
{removed, "removed in OTP 19"};
obsolete_1(rpc, safe_multi_server_call, A) when A =:= 2; A =:= 3 ->
- {removed, {rpc, multi_server_call, A}};
+ {removed, {rpc, multi_server_call, A}, "removed in OTP 19"};
%% Added in OTP 20.
diff --git a/lib/stdlib/src/qlc_pt.erl b/lib/stdlib/src/qlc_pt.erl
index 28221ea75f..4a39f8ae9d 100644
--- a/lib/stdlib/src/qlc_pt.erl
+++ b/lib/stdlib/src/qlc_pt.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2017. 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.
@@ -439,7 +439,7 @@ compile_forms(Forms0, Options) ->
(_) -> false
end,
Forms = ([F || F <- Forms0, not Exclude(element(1, F))]
- ++ [{eof,anno0()}]),
+ ++ [{eof,0}]),
try
case compile:noenv_forms(Forms, compile_options(Options)) of
{ok, _ModName, Ws0} ->
diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl
index 1f457b9e0e..ab9731180f 100644
--- a/lib/stdlib/src/rand.erl
+++ b/lib/stdlib/src/rand.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2015-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2015-2017. 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.
@@ -20,6 +20,9 @@
%% =====================================================================
%% Multiple PRNG module for Erlang/OTP
%% Copyright (c) 2015-2016 Kenji Rikitake
+%%
+%% exrop (xoroshiro116+) added and statistical distribution
+%% improvements by the Erlang/OTP team 2017
%% =====================================================================
-module(rand).
@@ -28,37 +31,179 @@
export_seed/0, export_seed_s/1,
uniform/0, uniform/1, uniform_s/1, uniform_s/2,
jump/0, jump/1,
- normal/0, normal_s/1
+ normal/0, normal/2, normal_s/1, normal_s/3
]).
-compile({inline, [exs64_next/1, exsplus_next/1,
- exsplus_jump/1,
exs1024_next/1, exs1024_calc/2,
- exs1024_jump/1,
+ exrop_next/1, exrop_next_s/2,
get_52/1, normal_kiwi/1]}).
--define(DEFAULT_ALG_HANDLER, exsplus).
+-define(DEFAULT_ALG_HANDLER, exrop).
-define(SEED_DICT, rand_seed).
%% =====================================================================
+%% Bit fiddling macros
+%% =====================================================================
+
+-define(BIT(Bits), (1 bsl (Bits))).
+-define(MASK(Bits), (?BIT(Bits) - 1)).
+-define(MASK(Bits, X), ((X) band ?MASK(Bits))).
+-define(
+ BSL(Bits, X, N),
+ %% N is evaluated 2 times
+ (?MASK((Bits)-(N), (X)) bsl (N))).
+-define(
+ ROTL(Bits, X, N),
+ %% Bits is evaluated 2 times
+ %% X is evaluated 2 times
+ %% N i evaluated 3 times
+ (?BSL((Bits), (X), (N)) bor ((X) bsr ((Bits)-(N))))).
+
+%%-define(TWO_POW_MINUS53, (math:pow(2, -53))).
+-define(TWO_POW_MINUS53, 1.11022302462515657e-16).
+
+%% =====================================================================
%% Types
%% =====================================================================
+-type uint64() :: 0..?MASK(64).
+-type uint58() :: 0..?MASK(58).
+
%% This depends on the algorithm handler function
--type alg_seed() :: exs64_state() | exsplus_state() | exs1024_state().
-%% This is the algorithm handler function within this module
--type alg_handler() :: #{type := alg(),
- max := integer(),
- next := fun(),
- uniform := fun(),
- uniform_n := fun(),
- jump := fun()}.
-
-%% Internal state
--opaque state() :: {alg_handler(), alg_seed()}.
--type alg() :: exs64 | exsplus | exs1024.
--opaque export_state() :: {alg(), alg_seed()}.
--export_type([alg/0, state/0, export_state/0]).
+-type alg_state() ::
+ exs64_state() | exsplus_state() | exs1024_state() |
+ exrop_state() | term().
+
+%% This is the algorithm handling definition within this module,
+%% and the type to use for plugins.
+%%
+%% The 'type' field must be recognized by the module that implements
+%% the algorithm, to interpret an exported state.
+%%
+%% The 'bits' field indicates how many bits the integer
+%% returned from 'next' has got, i.e 'next' shall return
+%% an random integer in the range 0..(2^Bits - 1).
+%% At least 53 bits is required for the floating point
+%% producing fallbacks. This field is only used when
+%% the 'uniform' or 'uniform_n' fields are not defined.
+%%
+%% The fields 'next', 'uniform' and 'uniform_n'
+%% implement the algorithm. If 'uniform' or 'uinform_n'
+%% is not present there is a fallback using 'next' and either
+%% 'bits' or the deprecated 'max'.
+%%
+-type alg_handler() ::
+ #{type := alg(),
+ bits => non_neg_integer(),
+ weak_low_bits => non_neg_integer(),
+ max => non_neg_integer(), % Deprecated
+ next :=
+ fun ((alg_state()) -> {non_neg_integer(), alg_state()}),
+ uniform =>
+ fun ((state()) -> {float(), state()}),
+ uniform_n =>
+ fun ((pos_integer(), state()) -> {pos_integer(), state()}),
+ jump =>
+ fun ((state()) -> state())}.
+
+%% Algorithm state
+-type state() :: {alg_handler(), alg_state()}.
+-type builtin_alg() :: exs64 | exsplus | exsp | exs1024 | exs1024s | exrop.
+-type alg() :: builtin_alg() | atom().
+-type export_state() :: {alg(), alg_state()}.
+-export_type(
+ [builtin_alg/0, alg/0, alg_handler/0, alg_state/0,
+ state/0, export_state/0]).
+-export_type(
+ [exs64_state/0, exsplus_state/0, exs1024_state/0, exrop_state/0]).
+
+%% =====================================================================
+%% Range macro and helper
+%% =====================================================================
+
+-define(
+ uniform_range(Range, Alg, R, V, MaxMinusRange, I),
+ if
+ 0 =< (MaxMinusRange) ->
+ if
+ %% Really work saving in odd cases;
+ %% large ranges in particular
+ (V) < (Range) ->
+ {(V) + 1, {(Alg), (R)}};
+ true ->
+ (I) = (V) rem (Range),
+ if
+ (V) - (I) =< (MaxMinusRange) ->
+ {(I) + 1, {(Alg), (R)}};
+ true ->
+ %% V in the truncated top range
+ %% - try again
+ ?FUNCTION_NAME((Range), {(Alg), (R)})
+ end
+ end;
+ true ->
+ uniform_range((Range), (Alg), (R), (V))
+ end).
+
+%% For ranges larger than the algorithm bit size
+uniform_range(Range, #{next:=Next, bits:=Bits} = Alg, R, V) ->
+ WeakLowBits =
+ case Alg of
+ #{weak_low_bits:=WLB} -> WLB;
+ #{} -> 0
+ end,
+ %% Maybe waste the lowest bit(s) when shifting in new bits
+ Shift = Bits - WeakLowBits,
+ ShiftMask = bnot ?MASK(WeakLowBits),
+ RangeMinus1 = Range - 1,
+ if
+ (Range band RangeMinus1) =:= 0 -> % Power of 2
+ %% Generate at least the number of bits for the range
+ {V1, R1, _} =
+ uniform_range(
+ Range bsr Bits, Next, R, V, ShiftMask, Shift, Bits),
+ {(V1 band RangeMinus1) + 1, {Alg, R1}};
+ true ->
+ %% Generate a value with at least two bits more than the range
+ %% and try that for a fit, otherwise recurse
+ %%
+ %% Just one bit more should ensure that the generated
+ %% number range is at least twice the size of the requested
+ %% range, which would make the probability to draw a good
+ %% number better than 0.5. And repeating that until
+ %% success i guess would take 2 times statistically amortized.
+ %% But since the probability for fairly many attemtpts
+ %% is not that low, use two bits more than the range which
+ %% should make the probability to draw a bad number under 0.25,
+ %% which decreases the bad case probability a lot.
+ {V1, R1, B} =
+ uniform_range(
+ Range bsr (Bits - 2), Next, R, V, ShiftMask, Shift, Bits),
+ I = V1 rem Range,
+ if
+ (V1 - I) =< (1 bsl B) - Range ->
+ {I + 1, {Alg, R1}};
+ true ->
+ %% V1 drawn from the truncated top range
+ %% - try again
+ {V2, R2} = Next(R1),
+ uniform_range(Range, Alg, R2, V2)
+ end
+ end.
+%%
+uniform_range(Range, Next, R, V, ShiftMask, Shift, B) ->
+ if
+ Range =< 1 ->
+ {V, R, B};
+ true ->
+ {V1, R1} = Next(R),
+ %% Waste the lowest bit(s) when shifting in new bits
+ uniform_range(
+ Range bsr Shift, Next, R1,
+ ((V band ShiftMask) bsl Shift) bor V1,
+ ShiftMask, Shift, B + Shift)
+ end.
%% =====================================================================
%% API
@@ -72,7 +217,7 @@ export_seed() ->
_ -> undefined
end.
--spec export_seed_s(state()) -> export_state().
+-spec export_seed_s(State :: state()) -> export_state().
export_seed_s({#{type:=Alg}, Seed}) -> {Alg, Seed}.
%% seed(Alg) seeds RNG with runtime dependent values
@@ -81,27 +226,37 @@ export_seed_s({#{type:=Alg}, Seed}) -> {Alg, Seed}.
%% seed({Alg,Seed}) setup RNG with a previously exported seed
%% and return the NEW state
--spec seed(AlgOrExpState::alg() | export_state()) -> state().
+-spec seed(
+ AlgOrStateOrExpState :: builtin_alg() | state() | export_state()) ->
+ state().
seed(Alg) ->
seed_put(seed_s(Alg)).
--spec seed_s(AlgOrExpState::alg() | export_state()) -> state().
-seed_s(Alg) when is_atom(Alg) ->
- seed_s(Alg, {erlang:phash2([{node(),self()}]),
- erlang:system_time(),
- erlang:unique_integer()});
+-spec seed_s(
+ AlgOrStateOrExpState :: builtin_alg() | state() | export_state()) ->
+ state().
+seed_s({AlgHandler, _Seed} = State) when is_map(AlgHandler) ->
+ State;
seed_s({Alg0, Seed}) ->
{Alg,_SeedFun} = mk_alg(Alg0),
- {Alg, Seed}.
+ {Alg, Seed};
+seed_s(Alg) ->
+ seed_s(Alg, {erlang:phash2([{node(),self()}]),
+ erlang:system_time(),
+ erlang:unique_integer()}).
%% seed/2: seeds RNG with the algorithm and given values
%% and returns the NEW state.
--spec seed(Alg :: alg(), {integer(), integer(), integer()}) -> state().
+-spec seed(
+ Alg :: builtin_alg(), Seed :: {integer(), integer(), integer()}) ->
+ state().
seed(Alg0, S0) ->
seed_put(seed_s(Alg0, S0)).
--spec seed_s(Alg :: alg(), {integer(), integer(), integer()}) -> state().
+-spec seed_s(
+ Alg :: builtin_alg(), Seed :: {integer(), integer(), integer()}) ->
+ state().
seed_s(Alg0, S0 = {_, _, _}) ->
{Alg, Seed} = mk_alg(Alg0),
AS = Seed(S0),
@@ -113,7 +268,7 @@ seed_s(Alg0, S0 = {_, _, _}) ->
%% uniform/0: returns a random float X where 0.0 < X < 1.0,
%% updating the state in the process dictionary.
--spec uniform() -> X::float().
+-spec uniform() -> X :: float().
uniform() ->
{X, Seed} = uniform_s(seed_get()),
_ = seed_put(Seed),
@@ -123,7 +278,7 @@ uniform() ->
%% uniform/1 returns a random integer X where 1 =< X =< N,
%% updating the state in the process dictionary.
--spec uniform(N :: pos_integer()) -> X::pos_integer().
+-spec uniform(N :: pos_integer()) -> X :: pos_integer().
uniform(N) ->
{X, Seed} = uniform_s(N, seed_get()),
_ = seed_put(Seed),
@@ -133,39 +288,64 @@ uniform(N) ->
%% returns a random float X where 0.0 < X < 1.0,
%% and a new state.
--spec uniform_s(state()) -> {X::float(), NewS :: state()}.
+-spec uniform_s(State :: state()) -> {X :: float(), NewState :: state()}.
uniform_s(State = {#{uniform:=Uniform}, _}) ->
- Uniform(State).
+ Uniform(State);
+uniform_s({#{bits:=Bits, next:=Next} = Alg, R0}) ->
+ {V, R1} = Next(R0),
+ %% Produce floats on the form N * 2^(-53)
+ {(V bsr (Bits - 53)) * ?TWO_POW_MINUS53, {Alg, R1}};
+uniform_s({#{max:=Max, next:=Next} = Alg, R0}) ->
+ {V, R1} = Next(R0),
+ %% Old broken algorithm with non-uniform density
+ {V / (Max + 1), {Alg, R1}}.
+
%% uniform_s/2: given an integer N >= 1 and a state, uniform_s/2
%% uniform_s/2 returns a random integer X where 1 =< X =< N,
%% and a new state.
--spec uniform_s(N::pos_integer(), state()) -> {X::pos_integer(), NewS::state()}.
-uniform_s(N, State = {#{uniform_n:=Uniform, max:=Max}, _})
- when 0 < N, N =< Max ->
- Uniform(N, State);
-uniform_s(N, State0 = {#{uniform:=Uniform}, _})
- when is_integer(N), 0 < N ->
- {F, State} = Uniform(State0),
- {trunc(F * N) + 1, State}.
+-spec uniform_s(N :: pos_integer(), State :: state()) ->
+ {X :: pos_integer(), NewState :: state()}.
+uniform_s(N, State = {#{uniform_n:=UniformN}, _})
+ when is_integer(N), 1 =< N ->
+ UniformN(N, State);
+uniform_s(N, {#{bits:=Bits, next:=Next} = Alg, R0})
+ when is_integer(N), 1 =< N ->
+ {V, R1} = Next(R0),
+ MaxMinusN = ?BIT(Bits) - N,
+ ?uniform_range(N, Alg, R1, V, MaxMinusN, I);
+uniform_s(N, {#{max:=Max, next:=Next} = Alg, R0})
+ when is_integer(N), 1 =< N ->
+ %% Old broken algorithm with skewed probability
+ %% and gap in ranges > Max
+ {V, R1} = Next(R0),
+ if
+ N =< Max ->
+ {(V rem N) + 1, {Alg, R1}};
+ true ->
+ F = V / (Max + 1),
+ {trunc(F * N) + 1, {Alg, R1}}
+ end.
%% jump/1: given a state, jump/1
%% returns a new state which is equivalent to that
%% after a large number of call defined for each algorithm.
%% The large number is algorithm dependent.
--spec jump(state()) -> NewS :: state().
+-spec jump(state()) -> NewState :: state().
jump(State = {#{jump:=Jump}, _}) ->
- Jump(State).
+ Jump(State);
+jump({#{}, _}) ->
+ erlang:error(not_implemented).
+
%% jump/0: read the internal state and
%% apply the jump function for the state as in jump/1
%% and write back the new value to the internal state,
%% then returns the new value.
--spec jump() -> NewS :: state().
-
+-spec jump() -> NewState :: state().
jump() ->
seed_put(jump(seed_get())).
@@ -178,14 +358,21 @@ normal() ->
_ = seed_put(Seed),
X.
+%% normal/2: returns a random float with N(μ, σ²) normal distribution
+%% updating the state in the process dictionary.
+
+-spec normal(Mean :: number(), Variance :: number()) -> float().
+normal(Mean, Variance) ->
+ Mean + (math:sqrt(Variance) * normal()).
+
%% normal_s/1: returns a random float with standard normal distribution
%% The Ziggurat Method for generating random variables - Marsaglia and Tsang
%% Paper and reference code: http://www.jstatsoft.org/v05/i08/
--spec normal_s(state()) -> {float(), NewS :: state()}.
+-spec normal_s(State :: state()) -> {float(), NewState :: state()}.
normal_s(State0) ->
{Sign, R, State} = get_52(State0),
- Idx = R band 16#FF,
+ Idx = ?MASK(8, R),
Idx1 = Idx+1,
{Ki, Wi} = normal_kiwi(Idx1),
X = R * Wi,
@@ -198,18 +385,15 @@ normal_s(State0) ->
false -> normal_s(Idx, Sign, -X, State)
end.
-%% =====================================================================
-%% Internal functions
+%% normal_s/3: returns a random float with normal N(μ, σ²) distribution
--define(UINT21MASK, 16#00000000001fffff).
--define(UINT32MASK, 16#00000000ffffffff).
--define(UINT33MASK, 16#00000001ffffffff).
--define(UINT39MASK, 16#0000007fffffffff).
--define(UINT58MASK, 16#03ffffffffffffff).
--define(UINT64MASK, 16#ffffffffffffffff).
+-spec normal_s(Mean :: number(), Variance :: number(), state()) -> {float(), NewS :: state()}.
+normal_s(Mean, Variance, State0) when Variance > 0 ->
+ {X, State} = normal_s(State0),
+ {Mean + (math:sqrt(Variance) * X), State}.
--type uint64() :: 0..16#ffffffffffffffff.
--type uint58() :: 0..16#03ffffffffffffff.
+%% =====================================================================
+%% Internal functions
-spec seed_put(state()) -> state().
seed_put(Seed) ->
@@ -224,20 +408,30 @@ seed_get() ->
%% Setup alg record
mk_alg(exs64) ->
- {#{type=>exs64, max=>?UINT64MASK, next=>fun exs64_next/1,
- uniform=>fun exs64_uniform/1, uniform_n=>fun exs64_uniform/2,
- jump=>fun exs64_jump/1},
+ {#{type=>exs64, max=>?MASK(64), next=>fun exs64_next/1},
fun exs64_seed/1};
mk_alg(exsplus) ->
- {#{type=>exsplus, max=>?UINT58MASK, next=>fun exsplus_next/1,
- uniform=>fun exsplus_uniform/1, uniform_n=>fun exsplus_uniform/2,
+ {#{type=>exsplus, max=>?MASK(58), next=>fun exsplus_next/1,
+ jump=>fun exsplus_jump/1},
+ fun exsplus_seed/1};
+mk_alg(exsp) ->
+ {#{type=>exsp, bits=>58, weak_low_bits=>1, next=>fun exsplus_next/1,
+ uniform=>fun exsp_uniform/1, uniform_n=>fun exsp_uniform/2,
jump=>fun exsplus_jump/1},
fun exsplus_seed/1};
mk_alg(exs1024) ->
- {#{type=>exs1024, max=>?UINT64MASK, next=>fun exs1024_next/1,
- uniform=>fun exs1024_uniform/1, uniform_n=>fun exs1024_uniform/2,
+ {#{type=>exs1024, max=>?MASK(64), next=>fun exs1024_next/1,
+ jump=>fun exs1024_jump/1},
+ fun exs1024_seed/1};
+mk_alg(exs1024s) ->
+ {#{type=>exs1024s, bits=>64, weak_low_bits=>3, next=>fun exs1024_next/1,
jump=>fun exs1024_jump/1},
- fun exs1024_seed/1}.
+ fun exs1024_seed/1};
+mk_alg(exrop) ->
+ {#{type=>exrop, bits=>58, weak_low_bits=>1, next=>fun exrop_next/1,
+ uniform=>fun exrop_uniform/1, uniform_n=>fun exrop_uniform/2,
+ jump=>fun exrop_jump/1},
+ fun exrop_seed/1}.
%% =====================================================================
%% exs64 PRNG: Xorshift64*
@@ -245,32 +439,21 @@ mk_alg(exs1024) ->
%% Reference URL: http://xorshift.di.unimi.it/
%% =====================================================================
--type exs64_state() :: uint64().
+-opaque exs64_state() :: uint64().
exs64_seed({A1, A2, A3}) ->
- {V1, _} = exs64_next(((A1 band ?UINT32MASK) * 4294967197 + 1)),
- {V2, _} = exs64_next(((A2 band ?UINT32MASK) * 4294967231 + 1)),
- {V3, _} = exs64_next(((A3 band ?UINT32MASK) * 4294967279 + 1)),
- ((V1 * V2 * V3) rem (?UINT64MASK - 1)) + 1.
+ {V1, _} = exs64_next((?MASK(32, A1) * 4294967197 + 1)),
+ {V2, _} = exs64_next((?MASK(32, A2) * 4294967231 + 1)),
+ {V3, _} = exs64_next((?MASK(32, A3) * 4294967279 + 1)),
+ ((V1 * V2 * V3) rem (?MASK(64) - 1)) + 1.
%% Advance xorshift64* state for one step and generate 64bit unsigned integer
-spec exs64_next(exs64_state()) -> {uint64(), exs64_state()}.
exs64_next(R) ->
R1 = R bxor (R bsr 12),
- R2 = R1 bxor ((R1 band ?UINT39MASK) bsl 25),
+ R2 = R1 bxor ?BSL(64, R1, 25),
R3 = R2 bxor (R2 bsr 27),
- {(R3 * 2685821657736338717) band ?UINT64MASK, R3}.
-
-exs64_uniform({Alg, R0}) ->
- {V, R1} = exs64_next(R0),
- {V / 18446744073709551616, {Alg, R1}}.
-
-exs64_uniform(Max, {Alg, R}) ->
- {V, R1} = exs64_next(R),
- {(V rem Max) + 1, {Alg, R1}}.
-
-exs64_jump(_) ->
- erlang:error(not_implemented).
+ {?MASK(64, R3 * 2685821657736338717), R3}.
%% =====================================================================
%% exsplus PRNG: Xorshift116+
@@ -280,15 +463,17 @@ exs64_jump(_) ->
%% Modification of the original Xorshift128+ algorithm to 116
%% by Sebastiano Vigna, a lot of thanks for his help and work.
%% =====================================================================
--type exsplus_state() :: nonempty_improper_list(uint58(), uint58()).
+-opaque exsplus_state() :: nonempty_improper_list(uint58(), uint58()).
-dialyzer({no_improper_lists, exsplus_seed/1}).
exsplus_seed({A1, A2, A3}) ->
- {_, R1} = exsplus_next([(((A1 * 4294967197) + 1) band ?UINT58MASK)|
- (((A2 * 4294967231) + 1) band ?UINT58MASK)]),
- {_, R2} = exsplus_next([(((A3 * 4294967279) + 1) band ?UINT58MASK)|
- tl(R1)]),
+ {_, R1} = exsplus_next(
+ [?MASK(58, (A1 * 4294967197) + 1)|
+ ?MASK(58, (A2 * 4294967231) + 1)]),
+ {_, R2} = exsplus_next(
+ [?MASK(58, (A3 * 4294967279) + 1)|
+ tl(R1)]),
R2.
-dialyzer({no_improper_lists, exsplus_next/1}).
@@ -297,17 +482,22 @@ exsplus_seed({A1, A2, A3}) ->
-spec exsplus_next(exsplus_state()) -> {uint58(), exsplus_state()}.
exsplus_next([S1|S0]) ->
%% Note: members s0 and s1 are swapped here
- S11 = (S1 bxor (S1 bsl 24)) band ?UINT58MASK,
+ S11 = S1 bxor ?BSL(58, S1, 24),
S12 = S11 bxor S0 bxor (S11 bsr 11) bxor (S0 bsr 41),
- {(S0 + S12) band ?UINT58MASK, [S0|S12]}.
+ {?MASK(58, S0 + S12), [S0|S12]}.
-exsplus_uniform({Alg, R0}) ->
+
+exsp_uniform({Alg, R0}) ->
{I, R1} = exsplus_next(R0),
- {I / (?UINT58MASK+1), {Alg, R1}}.
+ %% Waste the lowest bit since it is of lower
+ %% randomness quality than the others
+ {(I bsr (58-53)) * ?TWO_POW_MINUS53, {Alg, R1}}.
-exsplus_uniform(Max, {Alg, R}) ->
+exsp_uniform(Range, {Alg, R}) ->
{V, R1} = exsplus_next(R),
- {(V rem Max) + 1, {Alg, R1}}.
+ MaxMinusRange = ?BIT(58) - Range,
+ ?uniform_range(Range, Alg, R1, V, MaxMinusRange, I).
+
%% This is the jump function for the exsplus generator, equivalent
%% to 2^64 calls to next/1; it can be used to generate 2^52
@@ -335,7 +525,7 @@ exsplus_jump(S, AS, _, 0) ->
{S, AS};
exsplus_jump(S, [AS0|AS1], J, N) ->
{_, NS} = exsplus_next(S),
- case (J band 1) of
+ case ?MASK(1, J) of
1 ->
[S0|S1] = S,
exsplus_jump(NS, [(AS0 bxor S0)|(AS1 bxor S1)], J bsr 1, N-1);
@@ -349,12 +539,12 @@ exsplus_jump(S, [AS0|AS1], J, N) ->
%% Reference URL: http://xorshift.di.unimi.it/
%% =====================================================================
--type exs1024_state() :: {list(uint64()), list(uint64())}.
+-opaque exs1024_state() :: {list(uint64()), list(uint64())}.
exs1024_seed({A1, A2, A3}) ->
- B1 = (((A1 band ?UINT21MASK) + 1) * 2097131) band ?UINT21MASK,
- B2 = (((A2 band ?UINT21MASK) + 1) * 2097133) band ?UINT21MASK,
- B3 = (((A3 band ?UINT21MASK) + 1) * 2097143) band ?UINT21MASK,
+ B1 = ?MASK(21, (?MASK(21, A1) + 1) * 2097131),
+ B2 = ?MASK(21, (?MASK(21, A2) + 1) * 2097133),
+ B3 = ?MASK(21, (?MASK(21, A3) + 1) * 2097143),
{exs1024_gen1024((B1 bsl 43) bor (B2 bsl 22) bor (B3 bsl 1) bor 1),
[]}.
@@ -377,11 +567,11 @@ exs1024_gen1024(N, R, L) ->
%% X: random number output
-spec exs1024_calc(uint64(), uint64()) -> {uint64(), uint64()}.
exs1024_calc(S0, S1) ->
- S11 = S1 bxor ((S1 band ?UINT33MASK) bsl 31),
+ S11 = S1 bxor ?BSL(64, S1, 31),
S12 = S11 bxor (S11 bsr 11),
S01 = S0 bxor (S0 bsr 30),
NS1 = S01 bxor S12,
- {(NS1 * 1181783497276652981) band ?UINT64MASK, NS1}.
+ {?MASK(64, NS1 * 1181783497276652981), NS1}.
%% Advance xorshift1024* state for one step and generate 64bit unsigned integer
-spec exs1024_next(exs1024_state()) -> {uint64(), exs1024_state()}.
@@ -392,13 +582,6 @@ exs1024_next({[H], RL}) ->
NL = [H|lists:reverse(RL)],
exs1024_next({NL, []}).
-exs1024_uniform({Alg, R0}) ->
- {V, R1} = exs1024_next(R0),
- {V / 18446744073709551616, {Alg, R1}}.
-
-exs1024_uniform(Max, {Alg, R}) ->
- {V, R1} = exs1024_next(R),
- {(V rem Max) + 1, {Alg, R1}}.
%% This is the jump function for the exs1024 generator, equivalent
%% to 2^512 calls to next(); it can be used to generate 2^512
@@ -445,7 +628,7 @@ exs1024_jump(S, AS, [H|T], _, 0, TN) ->
exs1024_jump(S, AS, T, H, ?JUMPELEMLEN, TN);
exs1024_jump({L, RL}, AS, JL, J, N, TN) ->
{_, NS} = exs1024_next({L, RL}),
- case (J band 1) of
+ case ?MASK(1, J) of
1 ->
AS2 = lists:zipwith(fun(X, Y) -> X bxor Y end,
AS, L ++ lists:reverse(RL)),
@@ -455,15 +638,149 @@ exs1024_jump({L, RL}, AS, JL, J, N, TN) ->
end.
%% =====================================================================
+%% exrop PRNG: Xoroshiro116+
+%%
+%% Reference URL: http://xorshift.di.unimi.it/
+%%
+%% 58 bits fits into an immediate on 64bits Erlang and is thus much faster.
+%% In fact, an immediate number is 60 bits signed in Erlang so you can
+%% add two positive 58 bit numbers and get a 59 bit number that still is
+%% a positive immediate, which is a property we utilize here...
+%%
+%% Modification of the original Xororhiro128+ algorithm to 116 bits
+%% by Sebastiano Vigna. A lot of thanks for his help and work.
+%% =====================================================================
+%% (a, b, c) = (24, 2, 35)
+%% JUMP Polynomial = 0x9863200f83fcd4a11293241fcb12a (116 bit)
+%%
+%% From http://xoroshiro.di.unimi.it/xoroshiro116plus.c:
+%% ---------------------------------------------------------------------
+%% /* Written in 2017 by Sebastiano Vigna ([email protected]).
+%%
+%% To the extent possible under law, the author has dedicated all copyright
+%% and related and neighboring rights to this software to the public domain
+%% worldwide. This software is distributed without any warranty.
+%%
+%% See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+%%
+%% #include <stdint.h>
+%%
+%% #define UINT58MASK (uint64_t)((UINT64_C(1) << 58) - 1)
+%%
+%% uint64_t s[2];
+%%
+%% static inline uint64_t rotl58(const uint64_t x, int k) {
+%% return (x << k) & UINT58MASK | (x >> (58 - k));
+%% }
+%%
+%% uint64_t next(void) {
+%% uint64_t s1 = s[1];
+%% const uint64_t s0 = s[0];
+%% const uint64_t result = (s0 + s1) & UINT58MASK;
+%%
+%% s1 ^= s0;
+%% s[0] = rotl58(s0, 24) ^ s1 ^ ((s1 << 2) & UINT58MASK); // a, b
+%% s[1] = rotl58(s1, 35); // c
+%% return result;
+%% }
+%%
+%% void jump(void) {
+%% static const uint64_t JUMP[] =
+%% { 0x4a11293241fcb12a, 0x0009863200f83fcd };
+%%
+%% uint64_t s0 = 0;
+%% uint64_t s1 = 0;
+%% for(int i = 0; i < sizeof JUMP / sizeof *JUMP; i++)
+%% for(int b = 0; b < 64; b++) {
+%% if (JUMP[i] & UINT64_C(1) << b) {
+%% s0 ^= s[0];
+%% s1 ^= s[1];
+%% }
+%% next();
+%% }
+%% s[0] = s0;
+%% s[1] = s1;
+%% }
+
+-opaque exrop_state() :: nonempty_improper_list(uint58(), uint58()).
+
+-dialyzer({no_improper_lists, exrop_seed/1}).
+exrop_seed({A1, A2, A3}) ->
+ [_|S1] =
+ exrop_next_s(
+ ?MASK(58, (A1 * 4294967197) + 1),
+ ?MASK(58, (A2 * 4294967231) + 1)),
+ exrop_next_s(?MASK(58, (A3 * 4294967279) + 1), S1).
+
+-dialyzer({no_improper_lists, exrop_next_s/2}).
+%% Advance xoroshiro116+ state one step
+%% [a, b, c] = [24, 2, 35]
+-define(
+ exrop_next_s(S0, S1, S1_a),
+ begin
+ S1_a = S1 bxor S0,
+ [?ROTL(58, S0, 24) bxor S1_a bxor ?BSL(58, S1_a, 2)| % a, b
+ ?ROTL(58, S1_a, 35)] % c
+ end).
+exrop_next_s(S0, S1) ->
+ ?exrop_next_s(S0, S1, S1_a).
+
+-dialyzer({no_improper_lists, exrop_next/1}).
+%% Advance xoroshiro116+ state one step, generate 58 bit unsigned integer,
+%% and waste the lowest bit since it is of lower randomness quality
+exrop_next([S0|S1]) ->
+ {?MASK(58, S0 + S1), ?exrop_next_s(S0, S1, S1_a)}.
+
+exrop_uniform({Alg, R}) ->
+ {V, R1} = exrop_next(R),
+ %% Waste the lowest bit since it is of lower
+ %% randomness quality than the others
+ {(V bsr (58-53)) * ?TWO_POW_MINUS53, {Alg, R1}}.
+
+exrop_uniform(Range, {Alg, R}) ->
+ {V, R1} = exrop_next(R),
+ MaxMinusRange = ?BIT(58) - Range,
+ ?uniform_range(Range, Alg, R1, V, MaxMinusRange, I).
+
+%% Split a 116 bit constant into two '1'++58 bit words,
+%% the top '1' marks the top of the word
+-define(
+ JUMP_116(Jump),
+ [?BIT(58) bor ?MASK(58, (Jump)),?BIT(58) bor ((Jump) bsr 58)]).
+%%
+exrop_jump({Alg,S}) ->
+ [J|Js] = ?JUMP_116(16#9863200f83fcd4a11293241fcb12a),
+ {Alg, exrop_jump(S, 0, 0, J, Js)}.
+%%
+-dialyzer({no_improper_lists, exrop_jump/5}).
+exrop_jump(_S, S0, S1, 1, []) -> % End of jump constant
+ [S0|S1];
+exrop_jump(S, S0, S1, 1, [J|Js]) -> % End of the word
+ exrop_jump(S, S0, S1, J, Js);
+exrop_jump([S__0|S__1] = _S, S0, S1, J, Js) ->
+ case ?MASK(1, J) of
+ 1 ->
+ NewS = exrop_next_s(S__0, S__1),
+ exrop_jump(NewS, S0 bxor S__0, S1 bxor S__1, J bsr 1, Js);
+ 0 ->
+ NewS = exrop_next_s(S__0, S__1),
+ exrop_jump(NewS, S0, S1, J bsr 1, Js)
+ end.
+
+%% =====================================================================
%% Ziggurat cont
%% =====================================================================
-define(NOR_R, 3.6541528853610087963519472518).
-define(NOR_INV_R, 1/?NOR_R).
%% return a {sign, Random51bits, State}
+get_52({Alg=#{bits:=Bits, next:=Next}, S0}) ->
+ %% Use the high bits
+ {Int,S1} = Next(S0),
+ {?BIT(Bits - 51 - 1) band Int, Int bsr (Bits - 51), {Alg, S1}};
get_52({Alg=#{next:=Next}, S0}) ->
{Int,S1} = Next(S0),
- {((1 bsl 51) band Int), Int band ((1 bsl 51)-1), {Alg, S1}}.
+ {?BIT(51) band Int, ?MASK(51, Int), {Alg, S1}}.
%% Slow path
normal_s(0, Sign, X0, State0) ->
diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl
index 52d3c35608..28aab7b590 100644
--- a/lib/stdlib/src/re.erl
+++ b/lib/stdlib/src/re.erl
@@ -33,7 +33,12 @@
%%% BIFs
--export([compile/1, compile/2, run/2, run/3, inspect/2]).
+-export([version/0, compile/1, compile/2, run/2, run/3, inspect/2]).
+
+-spec version() -> binary().
+
+version() ->
+ erlang:nif_error(undef).
-spec compile(Regexp) -> {ok, MP} | {error, ErrSpec} when
Regexp :: iodata(),
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index 28f37ef8bf..394f4f2fa4 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. 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.
@@ -349,10 +349,16 @@ default_prompt(N) ->
%% Don't bother flattening the list irrespective of what the
%% I/O-protocol states.
case is_alive() of
- true -> io_lib:format(<<"(~s)~w> ">>, [node(), N]);
+ true -> io_lib:format(<<"(~ts)~w> ">>, [node_string(), N]);
false -> io_lib:format(<<"~w> ">>, [N])
end.
+node_string() ->
+ case encoding() of
+ latin1 -> io_lib:write_atom_as_latin1(node());
+ _ -> io_lib:write_atom(node())
+ end.
+
%% expand_hist(Expressions, CommandNumber)
%% Preprocess the expression list replacing all history list commands
%% with their expansions.
@@ -967,10 +973,11 @@ local_func(f, [{var,_,Name}], Bs, _Shell, _RT, _Lf, _Ef) ->
{value,ok,erl_eval:del_binding(Name, Bs)};
local_func(f, [_Other], _Bs, _Shell, _RT, _Lf, _Ef) ->
erlang:raise(error, function_clause, [{shell,f,1}]);
-local_func(rd, [{atom,_,RecName},RecDef0], Bs, _Shell, RT, _Lf, _Ef) ->
+local_func(rd, [{atom,_,RecName0},RecDef0], Bs, _Shell, RT, _Lf, _Ef) ->
RecDef = expand_value(RecDef0),
RDs = lists:flatten(erl_pp:expr(RecDef)),
- Attr = lists:concat(["-record('", RecName, "',", RDs, ")."]),
+ RecName = io_lib:write_atom_as_latin1(RecName0),
+ Attr = lists:concat(["-record(", RecName, ",", RDs, ")."]),
{ok, Tokens, _} = erl_scan:string(Attr),
case erl_parse:parse_form(Tokens) of
{ok,AttrForm} ->
@@ -1417,9 +1424,11 @@ columns() ->
{ok,N} -> N;
_ -> 80
end.
+
encoding() ->
[{encoding, Encoding}] = enc(),
Encoding.
+
enc() ->
case lists:keyfind(encoding, 1, io:getopts()) of
false -> [{encoding,latin1}]; % should never happen
diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src
index 979161fef7..3c9e95e3a9 100644
--- a/lib/stdlib/src/stdlib.appup.src
+++ b/lib/stdlib/src/stdlib.appup.src
@@ -18,7 +18,7 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"3\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-19.*
+ [{<<"3\\.[0-3](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-19.*
%% Down to - max one major revision back
- [{<<"3\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-19.*
+ [{<<"3\\.[0-3](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-19.*
}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-07 04:58:12 +0000