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-rw-r--r--lib/stdlib/src/erl_lint.erl63
-rw-r--r--lib/stdlib/src/erl_pp.erl116
-rw-r--r--lib/stdlib/src/erl_tar.erl59
-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/re.erl7
-rw-r--r--lib/stdlib/src/shell.erl17
7 files changed, 223 insertions, 77 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 0789f5dfb7..78b7a0e751 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -404,6 +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).
@@ -796,8 +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);
@@ -883,7 +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.
@@ -3116,6 +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_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/erl_tar.erl b/lib/stdlib/src/erl_tar.erl
index a54df939bf..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, $/).
+ filename:join(Prefix, Name).
new_sparse_file_reader(Reader, Sparsemap, RealSize) ->
true = validate_sparse_entries(Sparsemap, RealSize),
@@ -1557,7 +1568,7 @@ write_extracted_element(#tar_header{name=Name,typeflag=Type},
ok
end;
write_extracted_element(#tar_header{name=Name0}=Header, Bin, Opts) ->
- Name1 = filename:absname(Name0, Opts#read_opts.cwd),
+ Name1 = make_safe_path(Name0, Opts),
Created =
case typeflag(Header#tar_header.typeflag) of
regular ->
@@ -1585,6 +1596,16 @@ write_extracted_element(#tar_header{name=Name0}=Header, Bin, Opts) ->
not_written -> ok
end.
+make_safe_path([$/|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/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/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
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 16:45:28 +0000