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-rw-r--r--lib/stdlib/src/binary.erl4
-rw-r--r--lib/stdlib/src/erl_pp.erl18
-rw-r--r--lib/stdlib/src/filelib.erl2
-rw-r--r--lib/stdlib/src/filename.erl46
-rw-r--r--lib/stdlib/src/io.erl7
-rw-r--r--lib/stdlib/src/io_lib.erl48
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl55
-rw-r--r--lib/stdlib/src/shell.erl32
8 files changed, 123 insertions, 89 deletions
diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl
index de18b6cd54..4850a59eb6 100644
--- a/lib/stdlib/src/binary.erl
+++ b/lib/stdlib/src/binary.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -58,7 +58,7 @@ bin_to_list(_, _) ->
-spec bin_to_list(Subject, Pos, Len) -> [byte()] when
Subject :: binary(),
Pos :: non_neg_integer(),
- Len :: non_neg_integer().
+ Len :: integer().
bin_to_list(_, _, _) ->
erlang:nif_error(undef).
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 06dae51cc9..7c7566e4ec 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -42,7 +42,7 @@
| {encoding, latin1 | unicode | utf8}).
-type(options() :: hook_function() | [option()]).
--record(pp, {string_fun, char_fun, term_fun}).
+-record(pp, {string_fun, char_fun}).
-record(options, {hook, encoding, opts}).
@@ -182,13 +182,11 @@ state(_Hook) ->
state() ->
#pp{string_fun = fun io_lib:write_string_as_latin1/1,
- char_fun = fun io_lib:write_char_as_latin1/1,
- term_fun = fun(T) -> io_lib:format("~p", [T]) end}.
+ char_fun = fun io_lib:write_char_as_latin1/1}.
unicode_state() ->
#pp{string_fun = fun io_lib:write_string/1,
- char_fun = fun io_lib:write_char/1,
- term_fun = fun(T) -> io_lib:format("~tp", [T]) end}.
+ char_fun = fun io_lib:write_char/1}.
encoding(Options) ->
case proplists:get_value(encoding, Options, epp:default_encoding()) of
@@ -204,10 +202,10 @@ lform({function,Line,Name,Arity,Clauses}, Opts, _State) ->
lform({rule,Line,Name,Arity,Clauses}, Opts, _State) ->
lrule({rule,Line,Name,Arity,Clauses}, Opts);
%% These are specials to make it easier for the compiler.
-lform({error,E}, _Opts, State) ->
- leaf((State#pp.term_fun)({error,E})++"\n");
-lform({warning,W}, _Opts, State) ->
- leaf((State#pp.term_fun)({warning,W})++"\n");
+lform({error,E}, _Opts, _State) ->
+ leaf(format("~p\n", [{error,E}]));
+lform({warning,W}, _Opts, _State) ->
+ leaf(format("~p\n", [{warning,W}]));
lform({eof,_Line}, _Opts, _State) ->
$\n.
@@ -233,7 +231,7 @@ lattribute(import, Name, _Opts, _State) when is_list(Name) ->
lattribute(import, {From,Falist}, _Opts, _State) ->
attr("import",[{var,0,pname(From)},falist(Falist)]);
lattribute(file, {Name,Line}, _Opts, State) ->
- attr("file", [{var,0,(State#pp.term_fun)(Name)},{integer,0,Line}]);
+ attr("file", [{var,0,(State#pp.string_fun)(Name)},{integer,0,Line}]);
lattribute(record, {Name,Is}, Opts, _State) ->
Nl = leaf(format("-record(~w,", [Name])),
[{first,Nl,record_fields(Is, Opts)},$)];
diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl
index 7df72a93e5..42ef3679a2 100644
--- a/lib/stdlib/src/filelib.erl
+++ b/lib/stdlib/src/filelib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index e944dd4c43..66e54ef221 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -62,14 +62,14 @@
-spec absname(Filename) -> file:filename_all() when
- Filename :: file:name().
+ Filename :: file:name_all().
absname(Name) ->
{ok, Cwd} = file:get_cwd(),
absname(Name, Cwd).
-spec absname(Filename, Dir) -> file:filename_all() when
- Filename :: file:name(),
- Dir :: file:name().
+ Filename :: file:name_all(),
+ Dir :: file:name_all().
absname(Name, AbsBase) when is_binary(Name), is_list(AbsBase) ->
absname(Name,filename_string_to_binary(AbsBase));
absname(Name, AbsBase) when is_list(Name), is_binary(AbsBase) ->
@@ -123,8 +123,8 @@ absname_vr([[X, $:]|Name], _, _AbsBase) ->
%% AbsBase must be absolute and Name must be relative.
-spec absname_join(Dir, Filename) -> file:filename_all() when
- Dir :: file:name(),
- Filename :: file:name().
+ Dir :: file:name_all(),
+ Filename :: file:name_all().
absname_join(AbsBase, Name) ->
join(AbsBase, flatten(Name)).
@@ -137,7 +137,7 @@ absname_join(AbsBase, Name) ->
%% basename("/") -> []
-spec basename(Filename) -> file:filename_all() when
- Filename :: file:name().
+ Filename :: file:name_all().
basename(Name) when is_binary(Name) ->
case os:type() of
{win32,_} ->
@@ -202,8 +202,8 @@ skip_prefix(Name, _) ->
%% rootname(basename("xxx.erl")) -> "xxx"
-spec basename(Filename, Ext) -> file:filename_all() when
- Filename :: file:name(),
- Ext :: file:name().
+ Filename :: file:name_all(),
+ Ext :: file:name_all().
basename(Name, Ext) when is_binary(Name), is_list(Ext) ->
basename(Name,filename_string_to_binary(Ext));
basename(Name, Ext) when is_list(Name), is_binary(Ext) ->
@@ -252,7 +252,7 @@ basename([], _Ext, Tail, _DrvSep2) ->
%% dirname("kalle.erl") -> "."
-spec dirname(Filename) -> file:filename_all() when
- Filename :: file:name().
+ Filename :: file:name_all().
dirname(Name) when is_binary(Name) ->
{Dsep,Drivesep} = separators(),
SList = case Dsep of
@@ -345,7 +345,7 @@ dirjoin1([H|T],Acc,Sep) ->
%% On Windows: fn:dirname("\\usr\\src/kalle.erl") -> "/usr/src"
-spec extension(Filename) -> file:filename_all() when
- Filename :: file:name().
+ Filename :: file:name_all().
extension(Name) when is_binary(Name) ->
{Dsep,_} = separators(),
SList = case Dsep of
@@ -388,7 +388,7 @@ extension([], Result, _OsType) ->
%% Joins a list of filenames with directory separators.
-spec join(Components) -> file:filename_all() when
- Components :: [file:name()].
+ Components :: [file:name_all()].
join([Name1, Name2|Rest]) ->
join([join(Name1, Name2)|Rest]);
join([Name]) when is_list(Name) ->
@@ -401,8 +401,8 @@ join([Name]) when is_atom(Name) ->
%% Joins two filenames with directory separators.
-spec join(Name1, Name2) -> file:filename_all() when
- Name1 :: file:name(),
- Name2 :: file:name().
+ Name1 :: file:name_all(),
+ Name2 :: file:name_all().
join(Name1, Name2) when is_list(Name1), is_list(Name2) ->
OsType = major_os_type(),
case pathtype(Name2) of
@@ -488,7 +488,7 @@ maybe_remove_dirsep(Name, _) ->
%% a given base directory, which is is assumed to be normalised
%% by a previous call to join/{1,2}.
--spec append(file:filename_all(), file:name()) -> file:filename_all().
+-spec append(file:filename_all(), file:name_all()) -> file:filename_all().
append(Dir, Name) when is_binary(Dir), is_binary(Name) ->
<<Dir/binary,$/:8,Name/binary>>;
append(Dir, Name) when is_binary(Dir) ->
@@ -511,7 +511,7 @@ append(Dir, Name) ->
%% Example: a:bar.erl, /temp/foo.erl
-spec pathtype(Path) -> 'absolute' | 'relative' | 'volumerelative' when
- Path :: file:name().
+ Path :: file:name_all().
pathtype(Atom) when is_atom(Atom) ->
pathtype(atom_to_list(Atom));
pathtype(Name) when is_list(Name) or is_binary(Name) ->
@@ -565,7 +565,7 @@ win32_pathtype(_) -> relative.
%% rootname("/jam.src/foo.erl") -> "/jam.src/foo"
-spec rootname(Filename) -> file:filename_all() when
- Filename :: file:name().
+ Filename :: file:name_all().
rootname(Name) when is_binary(Name) ->
list_to_binary(rootname(binary_to_list(Name))); % No need to handle unicode, . is < 128
rootname(Name0) ->
@@ -595,8 +595,8 @@ rootname([], Root, _Ext, _OsType) ->
%% rootname("/jam.src/foo.erl", ".erl") -> "/jam.src/foo"
-spec rootname(Filename, Ext) -> file:filename_all() when
- Filename :: file:name(),
- Ext :: file:name().
+ Filename :: file:name_all(),
+ Ext :: file:name_all().
rootname(Name, Ext) when is_binary(Name), is_binary(Ext) ->
list_to_binary(rootname(binary_to_list(Name),binary_to_list(Ext)));
rootname(Name, Ext) when is_binary(Name) ->
@@ -623,8 +623,8 @@ rootname2([Char|Rest], Ext, Result) when is_integer(Char) ->
%% split("a:\\msdev\\include") -> ["a:/", "msdev", "include"]
-spec split(Filename) -> Components when
- Filename :: file:name(),
- Components :: [file:name()].
+ Filename :: file:name_all(),
+ Components :: [file:name_all()].
split(Name) when is_binary(Name) ->
case os:type() of
{win32, _} -> win32_splitb(Name);
@@ -718,7 +718,7 @@ split([], Comp, Components, OsType) ->
%% name will be normalized as done by join/1.
-spec nativename(Path) -> file:filename_all() when
- Path :: file:name().
+ Path :: file:name_all().
nativename(Name0) ->
Name = join([Name0]), %Normalize.
case os:type() of
@@ -922,7 +922,7 @@ major_os_type() ->
%% Flatten a list, also accepting atoms.
-spec flatten(Filename) -> file:filename_all() when
- Filename :: file:name().
+ Filename :: file:name_all().
flatten(Bin) when is_binary(Bin) ->
Bin;
flatten(List) ->
diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index 3dddb0d6e7..c92e9e3ade 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -32,6 +32,8 @@
parse_erl_exprs/4,parse_erl_form/1,parse_erl_form/2,
parse_erl_form/3,parse_erl_form/4]).
-export([request/1,request/2,requests/1,requests/2]).
+%% Implemented in native code
+-export([printable_range/0]).
-export_type([device/0, format/0, server_no_data/0]).
@@ -66,6 +68,11 @@ o_request(Io, Request, Func) ->
Other
end.
+%% Request what the user considers printable characters
+-spec printable_range() -> 'unicode' | 'latin1'.
+printable_range() ->
+ erlang:nif_error(undefined).
+
%% Put chars takes mixed *unicode* list from R13 onwards.
-spec put_chars(CharData) -> 'ok' when
CharData :: unicode:chardata().
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index b7ec848e1e..a9b6d4131e 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -72,7 +72,7 @@
-export([quote_atom/2, char_list/1, latin1_char_list/1,
deep_char_list/1, deep_latin1_char_list/1,
- printable_list/1, printable_latin1_list/1]).
+ printable_list/1, printable_latin1_list/1, printable_unicode_list/1]).
%% Utilities for collecting characters.
-export([collect_chars/3, collect_chars/4,
@@ -533,27 +533,45 @@ printable_latin1_list(_) -> false. %Everything else is false
%% Return true if CharList is a list of printable characters, else
%% false. The notion of printable in Unicode terms is somewhat floating.
%% Everything that is not a control character and not invalid unicode
-%% will be considered printable.
+%% will be considered printable.
+%% What the user has noted as printable characters is what actually
+%% specifies when this function will return true. If the VM is started
+%% with +pc latin1, only the latin1 range will be deemed as printable
+%% if on the other hand +pc unicode is given, all characters in the Unicode
+%% character set are deemed printable. latin1 is default.
-spec printable_list(Term) -> boolean() when
Term :: term().
-printable_list([C|Cs]) when is_integer(C), C >= $\040, C =< $\176 ->
- printable_list(Cs);
-printable_list([C|Cs])
+printable_list(L) ->
+ %% There will be more alternatives returns from io:printable range
+ %% in the future. To not have a catch-all clause is deliberate.
+ case io:printable_range() of
+ latin1 ->
+ printable_latin1_list(L);
+ unicode ->
+ printable_unicode_list(L)
+ end.
+
+-spec printable_unicode_list(Term) -> boolean() when
+ Term :: term().
+
+printable_unicode_list([C|Cs]) when is_integer(C), C >= $\040, C =< $\176 ->
+ printable_unicode_list(Cs);
+printable_unicode_list([C|Cs])
when is_integer(C), C >= 16#A0, C < 16#D800;
is_integer(C), C > 16#DFFF, C < 16#FFFE;
is_integer(C), C > 16#FFFF, C =< 16#10FFFF ->
- printable_list(Cs);
-printable_list([$\n|Cs]) -> printable_list(Cs);
-printable_list([$\r|Cs]) -> printable_list(Cs);
-printable_list([$\t|Cs]) -> printable_list(Cs);
-printable_list([$\v|Cs]) -> printable_list(Cs);
-printable_list([$\b|Cs]) -> printable_list(Cs);
-printable_list([$\f|Cs]) -> printable_list(Cs);
-printable_list([$\e|Cs]) -> printable_list(Cs);
-printable_list([]) -> true;
-printable_list(_) -> false. %Everything else is false
+ printable_unicode_list(Cs);
+printable_unicode_list([$\n|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([$\r|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([$\t|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([$\v|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([$\b|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([$\f|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([$\e|Cs]) -> printable_unicode_list(Cs);
+printable_unicode_list([]) -> true;
+printable_unicode_list(_) -> false. %Everything else is false
%% List = nl()
%% Return a list of characters to generate a newline.
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index 525b534249..7637ad7a3d 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -485,13 +485,18 @@ printable_bin(Bin, Len, D, latin1) ->
false
end;
printable_bin(Bin, Len, D, _Uni) ->
- case printable_unicode(Bin, Len, []) of
- {_, <<>>, L} ->
- {byte_size(Bin) =:= length(L), L};
- {NC, Bin1, L} when D > 0, Len - NC >= D ->
- {byte_size(Bin)-byte_size(Bin1) =:= length(L), true, L};
- {_NC, _Bin, _L} ->
- false
+ case valid_utf8(Bin,Len) of
+ true ->
+ case printable_unicode(Bin, Len, [], io:printable_range()) of
+ {_, <<>>, L} ->
+ {byte_size(Bin) =:= length(L), L};
+ {NC, Bin1, L} when D > 0, Len - NC >= D ->
+ {byte_size(Bin)-byte_size(Bin1) =:= length(L), true, L};
+ {_NC, _Bin, _L} ->
+ false
+ end;
+ false ->
+ printable_bin(Bin, Len, D, latin1)
end.
printable_bin1(_Bin, _Start, 0) ->
@@ -522,24 +527,36 @@ printable_latin1_list([$\e | Cs], N) -> printable_latin1_list(Cs, N - 1);
printable_latin1_list([], _) -> all;
printable_latin1_list(_, N) -> N.
-printable_unicode(<<C/utf8, R/binary>>=Bin, I, L) when I > 0 ->
- case printable_char(C) of
+valid_utf8(<<>>,_) ->
+ true;
+valid_utf8(_,0) ->
+ true;
+valid_utf8(<<_/utf8, R/binary>>,N) ->
+ valid_utf8(R,N-1);
+valid_utf8(_,_) ->
+ false.
+
+printable_unicode(<<C/utf8, R/binary>>=Bin, I, L, Range) when I > 0 ->
+ case printable_char(C,Range) of
true ->
- printable_unicode(R, I - 1, [C | L]);
+ printable_unicode(R, I - 1, [C | L],Range);
false ->
{I, Bin, lists:reverse(L)}
end;
-printable_unicode(Bin, I, L) ->
+printable_unicode(Bin, I, L,_) ->
{I, Bin, lists:reverse(L)}.
-printable_char($\n) -> true;
-printable_char($\r) -> true;
-printable_char($\t) -> true;
-printable_char($\v) -> true;
-printable_char($\b) -> true;
-printable_char($\f) -> true;
-printable_char($\e) -> true;
-printable_char(C) ->
+printable_char($\n,_) -> true;
+printable_char($\r,_) -> true;
+printable_char($\t,_) -> true;
+printable_char($\v,_) -> true;
+printable_char($\b,_) -> true;
+printable_char($\f,_) -> true;
+printable_char($\e,_) -> true;
+printable_char(C,latin1) ->
+ C >= $\s andalso C =< $~ orelse
+ C >= 16#A0 andalso C =< 16#FF;
+printable_char(C,unicode) ->
C >= $\s andalso C =< $~ orelse
C >= 16#A0 andalso C < 16#D800 orelse
C > 16#DFFF andalso C < 16#FFFE orelse
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index df66acb97b..c6c706c3a7 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -129,7 +129,7 @@ start_restricted(RShMod) when is_atom(RShMod) ->
error_logger:error_report(
lists:flatten(
io_lib:fwrite(
- "Restricted shell module ~w not found: ~"++cs_p() ++"\n",
+ "Restricted shell module ~w not found: ~tp\n",
[RShMod,What]))),
Error
end.
@@ -214,8 +214,7 @@ server(StartSync) ->
ok;
{RShMod2,What2} ->
io:fwrite(
- ("Warning! Restricted shell module ~w not found: ~"
- ++cs_p()++".\n"
+ ("Warning! Restricted shell module ~w not found: ~tp.\n"
"Only the commands q() and init:stop() will be allowed!\n"),
[RShMod2,What2]),
application:set_env(stdlib, restricted_shell, ?MODULE)
@@ -284,7 +283,12 @@ get_command(Prompt, Eval, Bs, RT, Ds) ->
eof;
{error,ErrorInfo,_EndPos} ->
%% Skip the rest of the line:
+ Opts = io:getopts(),
+ TmpOpts = lists:keyreplace(echo, 1, Opts,
+ {echo, false}),
+ _ = io:setopts(TmpOpts),
_ = io:get_line(''),
+ _ = io:setopts(Opts),
{error,ErrorInfo};
Else ->
Else
@@ -337,7 +341,7 @@ get_prompt_func() ->
end.
bad_prompt_func(M) ->
- fwrite_severity(benign, "Bad prompt function: ~"++cs_p(), [M]).
+ fwrite_severity(benign, "Bad prompt function: ~tp", [M]).
default_prompt(N) ->
%% Don't bother flattening the list irrespective of what the
@@ -1380,27 +1384,18 @@ pp(V, I, RT, Enc) ->
{record_print_fun, record_print_fun(RT)}]
++ Enc)).
-%% Control sequence 'p' possibly with Unicode translation modifier
-cs_p() ->
- case encoding() of
- latin1 -> "p";
- unicode -> "tp"
- end.
-
columns() ->
case io:columns() of
{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
- Enc -> [Enc]
+ false -> [{encoding,latin1}]; % should never happen
+ Enc -> [Enc]
end.
garb(Shell) ->
@@ -1424,10 +1419,9 @@ check_env(V) ->
{ok, Val} when is_integer(Val), Val >= 0 ->
ok;
{ok, Val} ->
- Txt = io_lib:fwrite(
- ("Invalid value of STDLIB configuration parameter ~w: ~"
- ++cs_p()++"\n"),
- [V, Val]),
+ Txt = io_lib:fwrite
+ ("Invalid value of STDLIB configuration parameter"
+ "~w: ~tp\n", [V, Val]),
error_logger:info_report(lists:flatten(Txt))
end.