diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/doc/src/io_lib.xml | 14 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/rand.xml | 61 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/shell.xml | 4 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_pp.erl | 116 | ||||
| -rw-r--r-- | lib/stdlib/src/io_lib.erl | 24 | ||||
| -rw-r--r-- | lib/stdlib/src/io_lib_pretty.erl | 14 | ||||
| -rw-r--r-- | lib/stdlib/src/rand.erl | 88 | ||||
| -rw-r--r-- | lib/stdlib/src/shell.erl | 17 | ||||
| -rw-r--r-- | lib/stdlib/test/erl_pp_SUITE.erl | 41 | ||||
| -rw-r--r-- | lib/stdlib/test/filelib_SUITE.erl | 9 | ||||
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 29 | ||||
| -rw-r--r-- | lib/stdlib/test/rand_SUITE.erl | 33 | ||||
| -rw-r--r-- | lib/stdlib/test/shell_SUITE.erl | 23 |
13 files changed, 340 insertions, 133 deletions
diff --git a/lib/stdlib/doc/src/io_lib.xml b/lib/stdlib/doc/src/io_lib.xml index 931e50f6f2..5ae400da62 100644 --- a/lib/stdlib/doc/src/io_lib.xml +++ b/lib/stdlib/doc/src/io_lib.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -147,7 +147,7 @@ format string (that is, <c>~ts</c> or <c>~tc</c>), the resulting list can contain characters beyond the ISO Latin-1 character range (that is, numbers > 255). If so, the - result is not an ordinary Erlang <c>string()</c>, but can well be + result is still an ordinary Erlang <c>string()</c>, and can well be used in any context where Unicode data is allowed.</p> </desc> </func> @@ -384,6 +384,16 @@ </func> <func> + <name name="write_atom_as_latin1" arity="1"/> + <fsummary>Write an atom.</fsummary> + <desc> + <p>Returns the list of characters needed to print atom + <c><anno>Atom</anno></c>. Non-Latin-1 characters + are escaped.</p> + </desc> + </func> + + <func> <name name="write_char" arity="1"/> <fsummary>Write a character.</fsummary> <desc> diff --git a/lib/stdlib/doc/src/rand.xml b/lib/stdlib/doc/src/rand.xml index 8745e16908..2ddf3021ac 100644 --- a/lib/stdlib/doc/src/rand.xml +++ b/lib/stdlib/doc/src/rand.xml @@ -120,27 +120,50 @@ S0 = rand:seed_s(exsplus), {SND0, S2} = rand:normal_s(S1),</pre> <note> - <p>This random number generator is not cryptographically - strong. If a strong cryptographic random number generator is - needed, use one of functions in the - <seealso marker="crypto:crypto"><c>crypto</c></seealso> - module, for example, <seealso marker="crypto:crypto"> - <c>crypto:strong_rand_bytes/1</c></seealso>.</p> + <p>The builtin random number generator algorithms are not + cryptographically strong. If a cryptographically strong + random number generator is needed, use something like + <seealso marker="crypto:crypto#rand_seed-0"><c>crypto:rand_seed/0</c></seealso>. + </p> </note> </description> <datatypes> <datatype> + <name name="builtin_alg"/> + </datatype> + <datatype> <name name="alg"/> </datatype> <datatype> + <name name="alg_handler"/> + </datatype> + <datatype> + <name name="alg_state"/> + </datatype> + <datatype> + <name name="exs64_state"/> + <desc><p>Algorithm specific internal state</p></desc> + </datatype> + <datatype> + <name name="exsplus_state"/> + <desc><p>Algorithm specific internal state</p></desc> + </datatype> + <datatype> + <name name="exs1024_state"/> + <desc><p>Algorithm specific internal state</p></desc> + </datatype> + <datatype> <name name="state"/> <desc><p>Algorithm-dependent state.</p></desc> </datatype> <datatype> <name name="export_state"/> - <desc><p>Algorithm-dependent state that can be printed or saved to - file.</p></desc> + <desc> + <p> + Algorithm-dependent state that can be printed or saved to file. + </p> + </desc> </datatype> </datatypes> @@ -215,8 +238,11 @@ S0 = rand:seed_s(exsplus), <fsummary>Seed random number generator.</fsummary> <desc> <marker id="seed-1"/> - <p>Seeds random number generation with the specifed algorithm and - time-dependent data if <anno>AlgOrExpState</anno> is an algorithm.</p> + <p> + Seeds random number generation with the specifed algorithm and + time-dependent data if <c><anno>AlgOrStateOrExpState</anno></c> + is an algorithm. + </p> <p>Otherwise recreates the exported seed in the process dictionary, and returns the state. See also <seealso marker="#export_seed-0"><c>export_seed/0</c></seealso>.</p> @@ -236,8 +262,11 @@ S0 = rand:seed_s(exsplus), <name name="seed_s" arity="1"/> <fsummary>Seed random number generator.</fsummary> <desc> - <p>Seeds random number generation with the specifed algorithm and - time-dependent data if <anno>AlgOrExpState</anno> is an algorithm.</p> + <p> + Seeds random number generation with the specifed algorithm and + time-dependent data if <c><anno>AlgOrStateOrExpState</anno></c> + is an algorithm. + </p> <p>Otherwise recreates the exported seed and returns the state. See also <seealso marker="#export_seed-0"> <c>export_seed/0</c></seealso>.</p> @@ -258,7 +287,7 @@ S0 = rand:seed_s(exsplus), <fsummary>Return a random float.</fsummary> <desc><marker id="uniform-0"/> <p>Returns a random float uniformly distributed in the value - range <c>0.0 < <anno>X</anno> < 1.0</c> and + range <c>0.0 =< <anno>X</anno> < 1.0</c> and updates the state in the process dictionary.</p> </desc> </func> @@ -269,7 +298,7 @@ S0 = rand:seed_s(exsplus), <desc><marker id="uniform-1"/> <p>Returns, for a specified integer <c><anno>N</anno> >= 1</c>, a random integer uniformly distributed in the value range - <c>1 <= <anno>X</anno> <= <anno>N</anno></c> and + <c>1 =< <anno>X</anno> =< <anno>N</anno></c> and updates the state in the process dictionary.</p> </desc> </func> @@ -279,7 +308,7 @@ S0 = rand:seed_s(exsplus), <fsummary>Return a random float.</fsummary> <desc> <p>Returns, for a specified state, random float - uniformly distributed in the value range <c>0.0 < + uniformly distributed in the value range <c>0.0 =< <anno>X</anno> < 1.0</c> and a new state.</p> </desc> </func> @@ -290,7 +319,7 @@ S0 = rand:seed_s(exsplus), <desc> <p>Returns, for a specified integer <c><anno>N</anno> >= 1</c> and a state, a random integer uniformly distributed in the value - range <c>1 <= <anno>X</anno> <= <anno>N</anno></c> and a + range <c>1 =< <anno>X</anno> =< <anno>N</anno></c> and a new state.</p> </desc> </func> diff --git a/lib/stdlib/doc/src/shell.xml b/lib/stdlib/doc/src/shell.xml index f52bc39deb..ab62c2fcdd 100644 --- a/lib/stdlib/doc/src/shell.xml +++ b/lib/stdlib/doc/src/shell.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -854,7 +854,7 @@ q - quit erlang <c>{history, N}</c>, where <c>N</c> is the current command number. The function is to return a list of characters or an atom. This constraint is because of the Erlang I/O protocol. Unicode characters - beyond code point 255 are allowed in the list. Notice + beyond code point 255 are allowed in the list and the atom. Notice that in restricted mode the call <c>Mod:Func(L)</c> must be allowed or the default shell prompt function is called.</p> </section> diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index 6068afb293..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. @@ -44,7 +44,7 @@ | {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}). @@ -214,11 +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) -> @@ -253,31 +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}]). @@ -340,7 +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)). @@ -382,12 +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]}. @@ -429,7 +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)]; @@ -441,10 +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, $;, Opts, Cs), @@ -489,7 +498,7 @@ lexpr({var,_,V}, _, _) -> leaf(format("~ts", [V])); lexpr({char,_,C}, _, _) -> {char,C}; lexpr({integer,_,N}, _, _) -> leaf(write(N)); lexpr({float,_,F}, _, _) -> leaf(write(F)); -lexpr({atom,_,A}, _, _) -> leaf(write(A)); +lexpr({atom,_,A}, _, _) -> {atom,A}; lexpr({string,_,S}, _, _) -> {string,S}; lexpr({nil,_}, _, _) -> '[]'; lexpr({cons,_,H,T}, _, Opts) -> @@ -519,7 +528,7 @@ lexpr({record, _, Name, Fs}, Prec, Opts) -> lexpr({record_field, _, Rec, Name, F}, Prec, Opts) -> {L,P,R} = inop_prec('#'), Rl = lexpr(Rec, L, Opts), - Nl = leaf(format("#~w.", [Name])), + Nl = [$#,{atom,Name},$.], El = [Rl,Nl,lexpr(F, R, Opts)], maybe_paren(P, Prec, El); lexpr({record, _, Rec, Name, Fs}, Prec, Opts) -> @@ -538,12 +547,12 @@ lexpr({record_field, _, Rec, F}, Prec, Opts) -> maybe_paren(P, Prec, El); lexpr({map, _, Fs}, Prec, Opts) -> {P,_R} = preop_prec('#'), - El = {first,leaf("#"),map_fields(Fs, Opts)}, + El = {first,$#,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,$#],map_fields(Fs, Opts)}, maybe_paren(P, Prec, El); lexpr({block,_,Es}, _, Opts) -> {list,[{step,'begin',body(Es, Opts)},'end']}; @@ -563,13 +572,16 @@ lexpr({'receive',_,Cs,To,ToOpt}, _, Opts) -> {step,'after',Al}, 'end']}; lexpr({'fun',_,{function,F,A}}, _Prec, _Opts) -> - leaf(format("fun ~w/~w", [F,A])); -lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Opts) -> - {force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))}; -lexpr({'fun',_,{function,M,F,A}}, _Prec, _Opts) + [leaf("fun "),{atom,F},leaf(format("/~w", [A]))]; +lexpr({'fun',L,{function,_,_}=Func,Extra}, Prec, Opts) -> + {force_nl,fun_info(Extra),lexpr({'fun',L,Func}, Prec, Opts)}; +lexpr({'fun',L,{function,M,F,A}}, Prec, Opts) when is_atom(M), is_atom(F), is_integer(A) -> %% For backward compatibility with pre-R15 abstract format. - leaf(format("fun ~w:~w/~w", [M,F,A])); + Mod = erl_parse:abstract(M), + Fun = erl_parse:abstract(F), + Arity = erl_parse:abstract(A), + lexpr({'fun',L,{function,Mod,Fun,Arity}}, Prec, Opts); lexpr({'fun',_,{function,M,F,A}}, _Prec, Opts) -> %% New format in R15. NameItem = lexpr(M, Opts), @@ -660,7 +672,7 @@ lexpr({bin,_,Fs}, _, Opts) -> bit_grp(Fs, Opts); %% Special case for straight values. lexpr({value,_,Val}, _,_) -> - leaf(write(Val)); + {value,Val}; %% Now do the hook. lexpr(Other, _Precedence, #options{hook = none}) -> leaf(format("INVALID-FORM:~w:",[Other])); @@ -676,7 +688,7 @@ call(Name, Args, Prec, Opts) -> maybe_paren(P, Prec, Item). fun_info(Extra) -> - leaf(format("% fun-info: ~w", [Extra])). + [leaf("% fun-info: "),{value,Extra}]. %% BITS: @@ -717,7 +729,7 @@ bit_elem_type(T) -> %% end of BITS record_name(Name) -> - leaf(format("#~w", [Name])). + [$#,{atom,Name}]. record_fields(Fs, Opts) -> tuple(Fs, fun record_field/2, Opts). @@ -919,8 +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 @@ -981,6 +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) -> @@ -1119,6 +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)). @@ -1135,7 +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 -> @@ -1147,11 +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/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/rand.erl b/lib/stdlib/src/rand.erl index 1f457b9e0e..dfd102f9ef 100644 --- a/lib/stdlib/src/rand.erl +++ b/lib/stdlib/src/rand.erl @@ -45,20 +45,31 @@ %% ===================================================================== %% This depends on the algorithm handler function --type alg_seed() :: exs64_state() | exsplus_state() | exs1024_state(). +-type alg_state() :: + exs64_state() | exsplus_state() | exs1024_state() | term(). + %% 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_handler() :: + #{type := alg(), + max := integer() | infinity, + 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 | exs1024. +-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]). %% ===================================================================== %% API @@ -72,7 +83,7 @@ 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 +92,37 @@ 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 +134,7 @@ 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 +144,7 @@ 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), @@ -133,7 +154,7 @@ 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). @@ -141,7 +162,8 @@ uniform_s(State = {#{uniform:=Uniform}, _}) -> %% 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()}. +-spec uniform_s(N :: pos_integer(), State :: state()) -> + {X :: pos_integer(), NewState :: state()}. uniform_s(N, State = {#{uniform_n:=Uniform, max:=Max}, _}) when 0 < N, N =< Max -> Uniform(N, State); @@ -155,7 +177,7 @@ uniform_s(N, State0 = {#{uniform:=Uniform}, _}) %% 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). @@ -164,7 +186,7 @@ jump(State = {#{jump:=Jump}, _}) -> %% 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())). @@ -182,7 +204,7 @@ normal() -> %% 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, @@ -245,7 +267,7 @@ 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)), @@ -280,7 +302,7 @@ 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}). @@ -349,7 +371,7 @@ 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, 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/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl index 1a028204b4..808ba9b4c1 100644 --- a/lib/stdlib/test/erl_pp_SUITE.erl +++ b/lib/stdlib/test/erl_pp_SUITE.erl @@ -51,7 +51,7 @@ otp_6321/1, otp_6911/1, otp_6914/1, otp_8150/1, otp_8238/1, otp_8473/1, otp_8522/1, otp_8567/1, otp_8664/1, otp_9147/1, otp_10302/1, otp_10820/1, otp_11100/1, otp_11861/1, pr_1014/1, - otp_13662/1]). + otp_13662/1, otp_14285/1]). %% Internal export. -export([ehook/6]). @@ -80,7 +80,8 @@ groups() -> {tickets, [], [otp_6321, otp_6911, otp_6914, otp_8150, otp_8238, otp_8473, otp_8522, otp_8567, otp_8664, otp_9147, - otp_10302, otp_10820, otp_11100, otp_11861, pr_1014, otp_13662]}]. + otp_10302, otp_10820, otp_11100, otp_11861, pr_1014, otp_13662, + otp_14285]}]. init_per_suite(Config) -> Config. @@ -627,11 +628,6 @@ do_hook(HookFun) -> true = "{some,value}" =:= lists:flatten(erl_pp:expr({value,A0,{some,value}})), - %% Silly... - true = - "if true -> 0 end" =:= - flat_expr({'if',0,[{clause,0,[],[],[{atom,0,0}]}]}), - %% More compatibility: before R6 OldIf = {'if',A0,[{clause,A0,[],[{atom,A0,true}],[{atom,A0,b}]}]}, NewIf = {'if',A0,[{clause,A0,[],[[{atom,A0,true}]],[{atom,A0,b}]}]}, @@ -1069,9 +1065,6 @@ otp_11100(Config) when is_list(Config) -> %% doesn't make a difference (pp:bit_elem_type/1 is an example). A1 = erl_anno:new(1), - %% Cannot trigger the use of the hook function with export/import. - "-export([{fy,a}/b]).\n" = - pf({attribute,A1,export,[{{fy,a},b}]}), "-type foo() :: integer(INVALID-FORM:{foo,bar}:).\n" = pf({attribute,A1,type,{foo,{type,A1,integer,[{foo,bar}]},[]}}), pf({attribute,A1,type, @@ -1146,6 +1139,34 @@ otp_13662(Config) -> ], compile(Config, Ts). +otp_14285(_Config) -> + pp_forms(<<"-export([t/0, '\\x{400}\\''/0]).">>), + pp_forms(<<"-import(lists, [append/2]).">>), + pp_forms(<<"-optional_callbacks([]).">>), + pp_forms(<<"-optional_callbacks(['\\x{400}\\''/1]).">>), + pp_forms(<<"-'\\x{400}\\''('\\x{400}\\'').">>), + pp_forms(<<"-type '\\x{400}\\''() :: '\\x{400}\\''.">>), + pp_forms(<<"-record('\\x{400}\\'', {'\\x{400}\\''}).">>), + pp_forms(<<"-callback '\\x{400}\\''(_) -> '\\x{400}\\''.">>), + pp_forms(<<"t() -> '\\x{400}\\''('\\x{400}\\'').">>), + pp_forms(<<"'\\x{400}\\''(_) -> '\\x{400}\\''.">>), + pp_forms(<<"-spec '\\x{400}'() -> " + "#'\\x{400}'{'\\x{400}' :: '\\x{400}'}.">>), + pp_forms(<<"'\\x{400}\\''() ->" + "R = #'\\x{400}\\''{}," + "#'\\x{400}\\''{'\\x{400}\\'' =" + "{'\\x{400}\\''," + "fun '\\x{400}\\''/0," + "R#'\\x{400}\\''.'\\x{400}\\''," + "#'\\x{400}\\''.'\\x{400}\\''}}.">>), + + %% Special... + true = + "{some,'\\x{400}\\''}" =:= + lists:flatten(erl_pp:expr({value,erl_anno:new(0),{some,'\x{400}\''}}, + [{encoding,latin1}])), + ok. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% compile(Config, Tests) -> diff --git a/lib/stdlib/test/filelib_SUITE.erl b/lib/stdlib/test/filelib_SUITE.erl index 87fba815d2..6133a3ded4 100644 --- a/lib/stdlib/test/filelib_SUITE.erl +++ b/lib/stdlib/test/filelib_SUITE.erl @@ -507,7 +507,12 @@ file_props_symlink(Config) -> end. find_source(Config) when is_list(Config) -> - BeamFile = code:which(lists), + %% filename:find_{file,source}() does not work if the files are + %% cover-compiled. To make sure that the test does not fail + %% when the STDLIB is cover-compiled, search for modules in + %% the compiler application. + + BeamFile = code:which(compile), BeamName = filename:basename(BeamFile), BeamDir = filename:dirname(BeamFile), SrcName = filename:basename(BeamFile, ".beam") ++ ".erl", @@ -530,7 +535,7 @@ find_source(Config) when is_list(Config) -> {error, not_found} = filelib:find_source(BeamName, BeamDir, [{".erl",".yrl",[{"",""}]}]), - {ok, ParserErl} = filelib:find_source(code:which(erl_parse)), + {ok, ParserErl} = filelib:find_source(code:which(core_parse)), {ok, ParserYrl} = filelib:find_source(ParserErl), "lry." ++ _ = lists:reverse(ParserYrl), {ok, ParserYrl} = filelib:find_source(ParserErl, diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index d546e8fad2..b2754e47ba 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -30,7 +30,8 @@ io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1, otp_10836/1, io_lib_width_too_small/1, io_with_huge_message_queue/1, format_string/1, - maps/1, coverage/1, otp_14178_unicode_atoms/1, otp_14175/1]). + maps/1, coverage/1, otp_14178_unicode_atoms/1, otp_14175/1, + otp_14285/1]). -export([pretty/2]). @@ -61,7 +62,8 @@ all() -> printable_range, bad_printable_range, io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836, io_lib_width_too_small, io_with_huge_message_queue, - format_string, maps, coverage, otp_14178_unicode_atoms, otp_14175]. + format_string, maps, coverage, otp_14178_unicode_atoms, otp_14175, + otp_14285]. %% Error cases for output. error_1(Config) when is_list(Config) -> @@ -755,6 +757,8 @@ rfd(rrrrr, 3) -> [f1, f2, f3]; rfd(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 0) -> []; +rfd('\x{400}', 1) -> + ['\x{400}']; rfd(_, _) -> no. @@ -1881,6 +1885,7 @@ otp_10302(Suite) when is_list(Suite) -> pretty(Term, Depth) when is_integer(Depth) -> Opts = [{column, 1}, {line_length, 20}, {depth, Depth}, {max_chars, 60}, + {record_print_fun, fun rfd/2}, {encoding, unicode}], pretty(Term, Opts); pretty(Term, Opts) when is_list(Opts) -> @@ -2324,3 +2329,23 @@ text1([T|Ts]) -> [erl_anno:text(Anno) | text1(Ts)]. -endif. % EXACT + +otp_14285(_Config) -> + UOpts = [{record_print_fun, fun rfd/2}, + {encoding, unicode}], + LOpts = [{record_print_fun, fun rfd/2}, + {encoding, latin1}], + + RT = {'\x{400}','\x{400}'}, + "#'\x{400}'{'\x{400}' = '\x{400}'}" = pretty(RT, UOpts), + "#'\\x{400}'{'\\x{400}' = '\\x{400}'}" = pretty(RT, LOpts), + + Chars = lists:seq(0, 512), + [] = [C || + C <- Chars, + S <- io_lib:write_atom_as_latin1(list_to_atom([C])), + not is_latin1(S)], + L1 = [S || C <- Chars, S <- io_lib:write_atom(list_to_atom([C])), + not is_latin1(S)], + L1 = lists:seq(256, 512), + ok. diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl index fe5eaccda5..098eefeb61 100644 --- a/lib/stdlib/test/rand_SUITE.erl +++ b/lib/stdlib/test/rand_SUITE.erl @@ -356,14 +356,23 @@ basic_normal_1(0, {#{type:=Alg}, _}, Sum, SumSq) -> %% Test that the user can write algorithms. plugin(Config) when is_list(Config) -> - _ = lists:foldl(fun(_, S0) -> - {V1, S1} = rand:uniform_s(10000, S0), - true = is_integer(V1), - {V2, S2} = rand:uniform_s(S1), - true = is_float(V2), - S2 - end, crypto_seed(), lists:seq(1, 200)), - ok. + try crypto:strong_rand_bytes(1) of + <<_>> -> + _ = lists:foldl( + fun(_, S0) -> + {V1, S1} = rand:uniform_s(10000, S0), + true = is_integer(V1), + {V2, S2} = rand:uniform_s(S1), + true = is_float(V2), + S2 + end, crypto_seed(), lists:seq(1, 200)), + ok + catch + error:low_entropy -> + {skip,low_entropy}; + error:undef -> + {skip,no_crypto} + end. %% Test implementation crypto_seed() -> @@ -397,7 +406,13 @@ crypto_uniform_n(N, State0) -> measure(Suite) when is_atom(Suite) -> []; measure(_Config) -> ct:timetrap({minutes,15}), %% valgrind needs a lot of time - Algos = [crypto64|algs()], + Algos = + try crypto:strong_rand_bytes(1) of + <<_>> -> [crypto64] + catch + error:low_entropy -> []; + error:undef -> [] + end ++ algs(), io:format("RNG uniform integer performance~n",[]), _ = measure_1(random, fun(State) -> {int, random:uniform_s(10000, State)} end), _ = [measure_1(Algo, fun(State) -> {int, rand:uniform_s(10000, State)} end) || Algo <- Algos], diff --git a/lib/stdlib/test/shell_SUITE.erl b/lib/stdlib/test/shell_SUITE.erl index 4864bc3d72..56002dda25 100644 --- a/lib/stdlib/test/shell_SUITE.erl +++ b/lib/stdlib/test/shell_SUITE.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. @@ -30,7 +30,8 @@ progex_bit_syntax/1, progex_records/1, progex_lc/1, progex_funs/1, otp_5990/1, otp_6166/1, otp_6554/1, - otp_7184/1, otp_7232/1, otp_8393/1, otp_10302/1, otp_13719/1]). + otp_7184/1, otp_7232/1, otp_8393/1, otp_10302/1, otp_13719/1, + otp_14285/1]). -export([ start_restricted_from_shell/1, start_restricted_on_command_line/1,restricted_local/1]). @@ -91,7 +92,7 @@ groups() -> progex_funs]}, {tickets, [], [otp_5990, otp_6166, otp_6554, otp_7184, - otp_7232, otp_8393, otp_10302, otp_13719]}]. + otp_7232, otp_8393, otp_10302, otp_13719, otp_14285]}]. init_per_suite(Config) -> Config. @@ -2824,6 +2825,22 @@ otp_13719(Config) when is_list(Config) -> file:delete(File), ok. +otp_14285(Config) -> + {ok,Node} = start_node(shell_suite_helper_4, + "-pa "++proplists:get_value(priv_dir,Config)++ + " +pc unicode"), + Test1 = + <<"begin + io:setopts([{encoding,utf8}]), + [1024] = atom_to_list('\\x{400}'), + rd('\\x{400}', {'\\x{400}' = '\\x{400}'}), + ok = rl('\\x{400}') + end.">>, + "-record('\x{400}',{'\x{400}' = '\x{400}'}).\nok.\n" = + t({Node,Test1}), + test_server:stop_node(Node), + ok. + scan(B) -> F = fun(Ts) -> case erl_parse:parse_term(Ts) of |