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-rw-r--r--lib/stdlib/doc/src/io.xml67
-rw-r--r--lib/stdlib/doc/src/shell.xml22
-rw-r--r--lib/stdlib/doc/src/stdlib_app.xml9
-rw-r--r--lib/stdlib/src/erl_lint.erl6
-rw-r--r--lib/stdlib/src/io_lib_format.erl86
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl104
-rw-r--r--lib/stdlib/src/shell.erl25
-rw-r--r--lib/stdlib/test/io_SUITE.erl42
8 files changed, 235 insertions, 126 deletions
diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml
index fa475804eb..9f59fda6b5 100644
--- a/lib/stdlib/doc/src/io.xml
+++ b/lib/stdlib/doc/src/io.xml
@@ -390,10 +390,11 @@ ok</pre>
applicable, it is used for both the field width and precision.
The default padding character is <c>' '</c> (space).</p>
<p><c>Mod</c> is the control sequence modifier. It is either a
- single character (currently only <c>t</c>, for Unicode translation,
- is supported) that changes the interpretation of Data.</p>
-
- <p>The following control sequences are available:</p>
+ single character (currently only <c>t</c>, for Unicode
+ translation, and <c>l</c>, for stopping <c>p</c> and
+ <c>P</c> from detecting printable characters, are supported)
+ that changes the interpretation of Data.</p>
+ <p>The following control sequences are available:</p>
<taglist>
<tag><c>~</c></tag>
<item>
@@ -407,7 +408,7 @@ ok</pre>
which in turn defaults to 1. The following example
illustrates:</p>
<pre>
-2> <input>io:fwrite("|~10.5c|~-10.5c|~5c|~n", [$a, $b, $c]).</input>
+1> <input>io:fwrite("|~10.5c|~-10.5c|~5c|~n", [$a, $b, $c]).</input>
| aaaaa|bbbbb |ccccc|
ok</pre>
<p>If the Unicode translation modifier (<c>t</c>) is in effect,
@@ -415,10 +416,10 @@ ok</pre>
valid Unicode codepoint, otherwise it should be an integer
less than or equal to 255, otherwise it is masked with 16#FF:</p>
<pre>
-1> <input>io:fwrite("~tc~n",[1024]).</input>
+2> <input>io:fwrite("~tc~n",[1024]).</input>
\x{400}
ok
-2> <input>io:fwrite("~c~n",[1024]).</input>
+3> <input>io:fwrite("~c~n",[1024]).</input>
^@
ok</pre>
@@ -462,20 +463,20 @@ ok</pre>
<p>This format can be used for printing any object and
truncating the output so it fits a specified field:</p>
<pre>
-3> <input>io:fwrite("|~10w|~n", [{hey, hey, hey}]).</input>
+1> <input>io:fwrite("|~10w|~n", [{hey, hey, hey}]).</input>
|**********|
ok
-4> <input>io:fwrite("|~10s|~n", [io_lib:write({hey, hey, hey})]).</input>
+2> <input>io:fwrite("|~10s|~n", [io_lib:write({hey, hey, hey})]).</input>
|{hey,hey,h|
-5> <input>io:fwrite("|~-10.8s|~n", [io_lib:write({hey, hey, hey})]).</input>
+3> <input>io:fwrite("|~-10.8s|~n", [io_lib:write({hey, hey, hey})]).</input>
|{hey,hey |
ok</pre>
<p>A list with integers larger than 255 is considered an error if the Unicode translation modifier is not given:</p>
<pre>
-1> <input>io:fwrite("~ts~n",[[1024]]).</input>
+4> <input>io:fwrite("~ts~n",[[1024]]).</input>
\x{400}
ok
-2> io:fwrite("~s~n",[[1024]]).
+5> <input>io:fwrite("~s~n",[[1024]]).</input>
** exception exit: {badarg,[{io,format,[&lt;0.26.0&gt;,"~s~n",[[1024]]]},
...</pre>
</item>
@@ -496,17 +497,17 @@ ok
printable characters and to output these as strings.
For example:</p>
<pre>
-5> <input>T = [{attributes,[[{id,age,1.50000},{mode,explicit},</input>
+1> <input>T = [{attributes,[[{id,age,1.50000},{mode,explicit},</input>
<input>{typename,"INTEGER"}], [{id,cho},{mode,explicit},{typename,'Cho'}]]},</input>
<input>{typename,'Person'},{tag,{'PRIVATE',3}},{mode,implicit}].</input>
...
-6> <input>io:fwrite("~w~n", [T]).</input>
+2> <input>io:fwrite("~w~n", [T]).</input>
[{attributes,[[{id,age,1.5},{mode,explicit},{typename,
[73,78,84,69,71,69,82]}],[{id,cho},{mode,explicit},{typena
me,'Cho'}]]},{typename,'Person'},{tag,{'PRIVATE',3}},{mode
,implicit}]
ok
-7> <input>io:fwrite("~62p~n", [T]).</input>
+3> <input>io:fwrite("~62p~n", [T]).</input>
[{attributes,[[{id,age,1.5},
{mode,explicit},
{typename,"INTEGER"}],
@@ -522,7 +523,7 @@ ok</pre>
<c>io:fwrite</c> or <c>io:format</c>. For example, using
<c>T</c> above:</p>
<pre>
-8> <input>io:fwrite("Here T = ~62p~n", [T]).</input>
+4> <input>io:fwrite("Here T = ~62p~n", [T]).</input>
Here T = [{attributes,[[{id,age,1.5},
{mode,explicit},
{typename,"INTEGER"}],
@@ -533,6 +534,18 @@ Here T = [{attributes,[[{id,age,1.5},
{tag,{'PRIVATE',3}},
{mode,implicit}]
ok</pre>
+ <p>When the modifier <c>l</c> is given no detection of
+ printable character lists will take place. For example:</p>
+ <pre>
+5> <input>S = [{a,"a"}, {b, "b"}].</input>
+6> <input>io:fwrite("~15p~n", [S]).</input>
+[{a,"a"},
+ {b,"b"}]
+ok
+7> <input>io:fwrite("~15lp~n", [S]).</input>
+[{a,[97]},
+ {b,[98]}]
+ok</pre>
</item>
<tag><c>W</c></tag>
<item>
@@ -541,7 +554,7 @@ ok</pre>
are printed. Anything below this depth is replaced with
<c>...</c>. For example, using <c>T</c> above:</p>
<pre>
-9> <input>io:fwrite("~W~n", [T,9]).</input>
+8> <input>io:fwrite("~W~n", [T,9]).</input>
[{attributes,[[{id,age,1.5},{mode,explicit},{typename,...}],
[{id,cho},{mode,...},{...}]]},{typename,'Person'},
{tag,{'PRIVATE',3}},{mode,implicit}]
@@ -558,7 +571,7 @@ ok</pre>
are printed. Anything below this depth is replaced with
<c>...</c>. For example:</p>
<pre>
-10> <input>io:fwrite("~62P~n", [T,9]).</input>
+9> <input>io:fwrite("~62P~n", [T,9]).</input>
[{attributes,[[{id,age,1.5},{mode,explicit},{typename,...}],
[{id,cho},{mode,...},{...}]]},
{typename,'Person'},
@@ -572,13 +585,13 @@ ok</pre>
10. A leading dash is printed for negative integers.</p>
<p>The precision field selects base. For example:</p>
<pre>
-11> <input>io:fwrite("~.16B~n", [31]).</input>
+1> <input>io:fwrite("~.16B~n", [31]).</input>
1F
ok
-12> <input>io:fwrite("~.2B~n", [-19]).</input>
+2> <input>io:fwrite("~.2B~n", [-19]).</input>
-10011
ok
-13> <input>io:fwrite("~.36B~n", [5*36+35]).</input>
+3> <input>io:fwrite("~.36B~n", [5*36+35]).</input>
5Z
ok</pre>
</item>
@@ -590,10 +603,10 @@ ok</pre>
<p>The prefix can be a possibly deep list of characters or
an atom.</p>
<pre>
-14> <input>io:fwrite("~X~n", [31,"10#"]).</input>
+1> <input>io:fwrite("~X~n", [31,"10#"]).</input>
10#31
ok
-15> <input>io:fwrite("~.16X~n", [-31,"0x"]).</input>
+2> <input>io:fwrite("~.16X~n", [-31,"0x"]).</input>
-0x1F
ok</pre>
</item>
@@ -602,10 +615,10 @@ ok</pre>
<p>Like <c>B</c>, but prints the number with an Erlang style
<c>#</c>-separated base prefix.</p>
<pre>
-16> <input>io:fwrite("~.10#~n", [31]).</input>
+1> <input>io:fwrite("~.10#~n", [31]).</input>
10#31
ok
-17> <input>io:fwrite("~.16#~n", [-31]).</input>
+2> <input>io:fwrite("~.16#~n", [-31]).</input>
-16#1F
ok</pre>
</item>
@@ -639,10 +652,10 @@ ok</pre>
</taglist>
<p>If an error occurs, there is no output. For example:</p>
<pre>
-18> <input>io:fwrite("~s ~w ~i ~w ~c ~n",['abc def', 'abc def', {foo, 1},{foo, 1}, 65]).</input>
+1> <input>io:fwrite("~s ~w ~i ~w ~c ~n",['abc def', 'abc def', {foo, 1},{foo, 1}, 65]).</input>
abc def 'abc def' {foo,1} A
ok
-19> <input>io:fwrite("~s", [65]).</input>
+2> <input>io:fwrite("~s", [65]).</input>
** exception exit: {badarg,[{io,format,[&lt;0.22.0>,"~s","A"]},
{erl_eval,do_apply,5},
{shell,exprs,6},
diff --git a/lib/stdlib/doc/src/shell.xml b/lib/stdlib/doc/src/shell.xml
index bc2120c37d..7f251c863e 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>2011</year>
+ <year>1996</year><year>2013</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -781,7 +781,7 @@ loop(N) ->
</desc>
</func>
<func>
- <name>catch_exception(Bool) -> Bool</name>
+ <name>catch_exception(Bool) -> boolean()</name>
<fsummary>Sets the exception handling of the shell</fsummary>
<type>
<v>Bool = boolean()</v>
@@ -801,8 +801,8 @@ loop(N) ->
<name name="prompt_func" arity="1"/>
<fsummary>Sets the shell prompt</fsummary>
<desc>
- <p>Sets the shell prompt function to <c>PromptFunc</c>. The
- previous prompt function is returned.</p>
+ <p>Sets the shell prompt function to <c><anno>PromptFunc</anno></c>.
+ The previous prompt function is returned.</p>
</desc>
</func>
<func>
@@ -827,6 +827,20 @@ loop(N) ->
is meant to be called from the shell.</p>
</desc>
</func>
+ <func>
+ <name name="strings" arity="1"/>
+ <fsummary>Sets the shell's string recognition flag.</fsummary>
+ <desc>
+ <p>Sets pretty printing of lists to <c><anno>Strings</anno></c>.
+ The previous value of the flag is returned.</p>
+ <p>The flag can also be set by the STDLIB application variable
+ <c>shell_strings</c>. The default is
+ <c>true</c> which means that lists of integers will be
+ printed using the string syntax, when possible. The value
+ <c>false</c> means that no lists will be printed using the
+ string syntax.</p>
+ </desc>
+ </func>
</funcs>
</erlref>
diff --git a/lib/stdlib/doc/src/stdlib_app.xml b/lib/stdlib/doc/src/stdlib_app.xml
index a615c1bf88..2391bb6f03 100644
--- a/lib/stdlib/doc/src/stdlib_app.xml
+++ b/lib/stdlib/doc/src/stdlib_app.xml
@@ -4,7 +4,7 @@
<appref>
<header>
<copyright>
- <year>2005</year><year>2010</year>
+ <year>2005</year><year>2013</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -51,7 +51,7 @@
<p>This parameter can be used to run the Erlang shell
in restricted mode.</p>
</item>
- <tag><c>shell_catch_exception = bool()</c></tag>
+ <tag><c>shell_catch_exception = boolean()</c></tag>
<item>
<p>This parameter can be used to set the exception handling
of the Erlang shell's evaluator process.</p>
@@ -76,6 +76,11 @@
<p>This parameter can be used to determine how many
results are saved by the Erlang shell.</p>
</item>
+ <tag><c>shell_strings = boolean()</c></tag>
+ <item>
+ <p>This parameter can be used to determine how the Erlang
+ shell outputs lists of integers.</p>
+ </item>
</taglist>
</section>
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 12505b33d1..68a8534f15 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -3483,6 +3483,12 @@ extract_sequence(4, [$t, $P | Fmt], Need) ->
extract_sequence(5, [$P|Fmt], Need);
extract_sequence(4, [$t, C | _Fmt], _Need) ->
{error,"invalid control ~t" ++ [C]};
+extract_sequence(4, [$l, $p | Fmt], Need) ->
+ extract_sequence(5, [$p|Fmt], Need);
+extract_sequence(4, [$l, $P | Fmt], Need) ->
+ extract_sequence(5, [$P|Fmt], Need);
+extract_sequence(4, [$l, C | _Fmt], _Need) ->
+ {error,"invalid control ~l" ++ [C]};
extract_sequence(4, Fmt, Need) ->
extract_sequence(5, Fmt, Need);
extract_sequence(5, [C|Fmt], Need0) ->
diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index 64d19ccf48..56e15a17ec 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -58,14 +58,22 @@ collect_cseq(Fmt0, Args0) ->
{P,Fmt2,Args2} = precision(Fmt1, Args1),
{Pad,Fmt3,Args3} = pad_char(Fmt2, Args2),
{Encoding,Fmt4,Args4} = encoding(Fmt3, Args3),
- {C,As,Fmt5,Args5} = collect_cc(Fmt4, Args4),
- {{C,As,F,Ad,P,Pad,Encoding},Fmt5,Args5}.
+ {Strings,Fmt5,Args5} = strings(Fmt4, Args4),
+ {C,As,Fmt6,Args6} = collect_cc(Fmt5, Args5),
+ {{C,As,F,Ad,P,Pad,Encoding,Strings},Fmt6,Args6}.
encoding([$t|Fmt],Args) ->
+ true = hd(Fmt) =/= $l,
{unicode,Fmt,Args};
encoding(Fmt,Args) ->
{latin1,Fmt,Args}.
+strings([$l|Fmt],Args) ->
+ true = hd(Fmt) =/= $t,
+ {false,Fmt,Args};
+strings(Fmt,Args) ->
+ {true,Fmt,Args}.
+
field_width([$-|Fmt0], Args0) ->
{F,Fmt,Args} = field_value(Fmt0, Args0),
field_width(-F, Fmt, Args);
@@ -128,8 +136,8 @@ collect_cc([$i|Fmt], [A|Args]) -> {$i,[A],Fmt,Args}.
pcount(Cs) -> pcount(Cs, 0).
-pcount([{$p,_As,_F,_Ad,_P,_Pad,_Enc}|Cs], Acc) -> pcount(Cs, Acc+1);
-pcount([{$P,_As,_F,_Ad,_P,_Pad,_Enc}|Cs], Acc) -> pcount(Cs, Acc+1);
+pcount([{$p,_As,_F,_Ad,_P,_Pad,_Enc,_Str}|Cs], Acc) -> pcount(Cs, Acc+1);
+pcount([{$P,_As,_F,_Ad,_P,_Pad,_Enc,_Str}|Cs], Acc) -> pcount(Cs, Acc+1);
pcount([_|Cs], Acc) -> pcount(Cs, Acc);
pcount([], Acc) -> Acc.
@@ -138,8 +146,8 @@ pcount([], Acc) -> Acc.
%% remaining and only calculate indentation when necessary. Must also
%% be smart when calculating indentation for characters in format.
-build([{C,As,F,Ad,P,Pad,Enc}|Cs], Pc0, I) ->
- S = control(C, As, F, Ad, P, Pad, Enc, I),
+build([{C,As,F,Ad,P,Pad,Enc,Str}|Cs], Pc0, I) ->
+ S = control(C, As, F, Ad, P, Pad, Enc, Str, I),
Pc1 = decr_pc(C, Pc0),
if
Pc1 > 0 -> [S|build(Cs, Pc1, indentation(S, I))];
@@ -171,59 +179,59 @@ indentation([], I) -> I.
%% This is the main dispatch function for the various formatting commands.
%% Field widths and precisions have already been calculated.
-control($w, [A], F, Adj, P, Pad, _Enc,_I) ->
+control($w, [A], F, Adj, P, Pad, _Enc, _Str, _I) ->
term(io_lib:write(A, -1), F, Adj, P, Pad);
-control($p, [A], F, Adj, P, Pad, Enc, I) ->
- print(A, -1, F, Adj, P, Pad, Enc, I);
-control($W, [A,Depth], F, Adj, P, Pad, _Enc, _I) when is_integer(Depth) ->
+control($p, [A], F, Adj, P, Pad, Enc, Str, I) ->
+ print(A, -1, F, Adj, P, Pad, Enc, Str, I);
+control($W, [A,Depth], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(Depth) ->
term(io_lib:write(A, Depth), F, Adj, P, Pad);
-control($P, [A,Depth], F, Adj, P, Pad, Enc, I) when is_integer(Depth) ->
- print(A, Depth, F, Adj, P, Pad, Enc, I);
-control($s, [A], F, Adj, P, Pad, _Enc, _I) when is_atom(A) ->
+control($P, [A,Depth], F, Adj, P, Pad, Enc, Str, I) when is_integer(Depth) ->
+ print(A, Depth, F, Adj, P, Pad, Enc, Str, I);
+control($s, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_atom(A) ->
string(atom_to_list(A), F, Adj, P, Pad);
-control($s, [L0], F, Adj, P, Pad, latin1, _I) ->
+control($s, [L0], F, Adj, P, Pad, latin1, _Str, _I) ->
L = iolist_to_chars(L0),
string(L, F, Adj, P, Pad);
-control($s, [L0], F, Adj, P, Pad, unicode, _I) ->
+control($s, [L0], F, Adj, P, Pad, unicode, _Str, _I) ->
L = cdata_to_chars(L0),
uniconv(string(L, F, Adj, P, Pad));
-control($e, [A], F, Adj, P, Pad, _Enc, _I) when is_float(A) ->
+control($e, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_float(A) ->
fwrite_e(A, F, Adj, P, Pad);
-control($f, [A], F, Adj, P, Pad, _Enc, _I) when is_float(A) ->
+control($f, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_float(A) ->
fwrite_f(A, F, Adj, P, Pad);
-control($g, [A], F, Adj, P, Pad, _Enc, _I) when is_float(A) ->
+control($g, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_float(A) ->
fwrite_g(A, F, Adj, P, Pad);
-control($b, [A], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($b, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
unprefixed_integer(A, F, Adj, base(P), Pad, true);
-control($B, [A], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($B, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
unprefixed_integer(A, F, Adj, base(P), Pad, false);
-control($x, [A,Prefix], F, Adj, P, Pad, _Enc, _I) when is_integer(A),
+control($x, [A,Prefix], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A),
is_atom(Prefix) ->
prefixed_integer(A, F, Adj, base(P), Pad, atom_to_list(Prefix), true);
-control($x, [A,Prefix], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($x, [A,Prefix], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
true = io_lib:deep_char_list(Prefix), %Check if Prefix a character list
prefixed_integer(A, F, Adj, base(P), Pad, Prefix, true);
-control($X, [A,Prefix], F, Adj, P, Pad, _Enc, _I) when is_integer(A),
+control($X, [A,Prefix], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A),
is_atom(Prefix) ->
prefixed_integer(A, F, Adj, base(P), Pad, atom_to_list(Prefix), false);
-control($X, [A,Prefix], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($X, [A,Prefix], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
true = io_lib:deep_char_list(Prefix), %Check if Prefix a character list
prefixed_integer(A, F, Adj, base(P), Pad, Prefix, false);
-control($+, [A], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($+, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
Base = base(P),
Prefix = [integer_to_list(Base), $#],
prefixed_integer(A, F, Adj, Base, Pad, Prefix, true);
-control($#, [A], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($#, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
Base = base(P),
Prefix = [integer_to_list(Base), $#],
prefixed_integer(A, F, Adj, Base, Pad, Prefix, false);
-control($c, [A], F, Adj, P, Pad, unicode, _I) when is_integer(A) ->
+control($c, [A], F, Adj, P, Pad, unicode, _Str, _I) when is_integer(A) ->
char(A, F, Adj, P, Pad);
-control($c, [A], F, Adj, P, Pad, _Enc, _I) when is_integer(A) ->
+control($c, [A], F, Adj, P, Pad, _Enc, _Str, _I) when is_integer(A) ->
char(A band 255, F, Adj, P, Pad);
-control($~, [], F, Adj, P, Pad, _Enc, _I) -> char($~, F, Adj, P, Pad);
-control($n, [], F, Adj, P, Pad, _Enc, _I) -> newline(F, Adj, P, Pad);
-control($i, [_A], _F, _Adj, _P, _Pad, _Enc, _I) -> [].
+control($~, [], F, Adj, P, Pad, _Enc, _Str, _I) -> char($~, F, Adj, P, Pad);
+control($n, [], F, Adj, P, Pad, _Enc, _Str, _I) -> newline(F, Adj, P, Pad);
+control($i, [_A], _F, _Adj, _P, _Pad, _Enc, _Str, _I) -> [].
-ifdef(UNICODE_AS_BINARIES).
uniconv(C) ->
@@ -259,12 +267,16 @@ term(T, F, Adj, P0, Pad) ->
%% Indentation)
%% Print a term.
-print(T, D, none, Adj, P, Pad, E, I) -> print(T, D, 80, Adj, P, Pad, E, I);
-print(T, D, F, Adj, none, Pad, E, I) -> print(T, D, F, Adj, I+1, Pad, E, I);
-print(T, D, F, right, P, _Pad, latin1, _I) ->
- io_lib_pretty:print(T, P, F, D);
-print(T, D, F, right, P, _Pad, Enc, _I) ->
- Options = [{column, P}, {line_length, F}, {depth, D}, {encoding, Enc}],
+print(T, D, none, Adj, P, Pad, E, Str, I) ->
+ print(T, D, 80, Adj, P, Pad, E, Str, I);
+print(T, D, F, Adj, none, Pad, E, Str, I) ->
+ print(T, D, F, Adj, I+1, Pad, E, Str, I);
+print(T, D, F, right, P, _Pad, Enc, Str, _I) ->
+ Options = [{column, P},
+ {line_length, F},
+ {depth, D},
+ {encoding, Enc},
+ {strings, Str}],
io_lib_pretty:print(T, Options).
%% fwrite_e(Float, Field, Adjust, Precision, PadChar)
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index b05db3d290..525b534249 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -56,6 +56,7 @@ print(Term) ->
| {depth, depth()}
| {max_chars, max_chars()}
| {record_print_fun, rec_print_fun()}
+ | {strings, boolean()}
| {encoding, latin1 | utf8 | unicode}.
-type options() :: [option()].
@@ -69,7 +70,8 @@ print(Term, Options) when is_list(Options) ->
M = proplists:get_value(max_chars, Options, -1),
RecDefFun = proplists:get_value(record_print_fun, Options, no_fun),
Encoding = proplists:get_value(encoding, Options, epp:default_encoding()),
- print(Term, Col, Ll, D, M, RecDefFun, Encoding);
+ Strings = proplists:get_value(strings, Options, true),
+ print(Term, Col, Ll, D, M, RecDefFun, Encoding, Strings);
print(Term, RecDefFun) ->
print(Term, -1, RecDefFun).
@@ -81,7 +83,7 @@ print(Term, Depth, RecDefFun) ->
-spec print(term(), column(), line_length(), depth()) -> chars().
print(Term, Col, Ll, D) ->
- print(Term, Col, Ll, D, _M=-1, no_fun, latin1).
+ print(Term, Col, Ll, D, _M=-1, no_fun, latin1, true).
-spec print(term(), column(), line_length(), depth(), rec_print_fun()) ->
chars().
@@ -92,15 +94,15 @@ print(Term, Col, Ll, D, RecDefFun) ->
rec_print_fun()) -> chars().
print(Term, Col, Ll, D, M, RecDefFun) ->
- print(Term, Col, Ll, D, M, RecDefFun, latin1).
-
-print(_, _, _, 0, _M, _RF, _Enc) -> "...";
-print(Term, Col, Ll, D, M, RecDefFun, Enc) when Col =< 0 ->
- print(Term, 1, Ll, D, M, RecDefFun, Enc);
-print(Term, Col, Ll, D, M0, RecDefFun, Enc) when is_tuple(Term);
- is_list(Term);
- is_bitstring(Term) ->
- If = {_S, Len} = print_length(Term, D, RecDefFun, Enc),
+ print(Term, Col, Ll, D, M, RecDefFun, latin1, true).
+
+print(_, _, _, 0, _M, _RF, _Enc, _Str) -> "...";
+print(Term, Col, Ll, D, M, RecDefFun, Enc, Str) when Col =< 0 ->
+ print(Term, 1, Ll, D, M, RecDefFun, Enc, Str);
+print(Term, Col, Ll, D, M0, RecDefFun, Enc, Str) when is_tuple(Term);
+ is_list(Term);
+ is_bitstring(Term) ->
+ If = {_S, Len} = print_length(Term, D, RecDefFun, Enc, Str),
M = max_cs(M0, Len),
if
Len < Ll - Col, Len =< M ->
@@ -111,7 +113,7 @@ print(Term, Col, Ll, D, M0, RecDefFun, Enc) when is_tuple(Term);
1),
pp(If, Col, Ll, M, TInd, indent(Col), 0, 0)
end;
-print(Term, _Col, _Ll, _D, _M, _RF, _Enc) ->
+print(Term, _Col, _Ll, _D, _M, _RF, _Enc, _Str) ->
io_lib:write(Term).
%%%
@@ -325,12 +327,12 @@ write_tail(E, S) ->
%% counted but need to be added later.
%% D =/= 0
-print_length([], _D, _RF, _Enc) ->
+print_length([], _D, _RF, _Enc, _Str) ->
{"[]", 2};
-print_length({}, _D, _RF, _Enc) ->
+print_length({}, _D, _RF, _Enc, _Str) ->
{"{}", 2};
-print_length(List, D, RF, Enc) when is_list(List) ->
- case printable_list(List, D, Enc) of
+print_length(List, D, RF, Enc, Str) when is_list(List) ->
+ case Str andalso printable_list(List, D, Enc) of
true ->
S = write_string(List, Enc),
{S, length(S)};
@@ -339,30 +341,30 @@ print_length(List, D, RF, Enc) when is_list(List) ->
% S = write_string(Prefix, Enc),
% {[S | "..."], 3 + length(S)};
false ->
- print_length_list(List, D, RF, Enc)
+ print_length_list(List, D, RF, Enc, Str)
end;
-print_length(Fun, _D, _RF, _Enc) when is_function(Fun) ->
+print_length(Fun, _D, _RF, _Enc, _Str) when is_function(Fun) ->
S = io_lib:write(Fun),
{S, iolist_size(S)};
-print_length(R, D, RF, Enc) when is_atom(element(1, R)),
- is_function(RF) ->
+print_length(R, D, RF, Enc, Str) when is_atom(element(1, R)),
+ is_function(RF) ->
case RF(element(1, R), tuple_size(R) - 1) of
no ->
- print_length_tuple(R, D, RF, Enc);
+ print_length_tuple(R, D, RF, Enc, Str);
RDefs ->
- print_length_record(R, D, RF, RDefs, Enc)
+ print_length_record(R, D, RF, RDefs, Enc, Str)
end;
-print_length(Tuple, D, RF, Enc) when is_tuple(Tuple) ->
- print_length_tuple(Tuple, D, RF, Enc);
-print_length(<<>>, _D, _RF, _Enc) ->
+print_length(Tuple, D, RF, Enc, Str) when is_tuple(Tuple) ->
+ print_length_tuple(Tuple, D, RF, Enc, Str);
+print_length(<<>>, _D, _RF, _Enc, _Str) ->
{"<<>>", 4};
-print_length(<<_/bitstring>>, 1, _RF, _Enc) ->
+print_length(<<_/bitstring>>, 1, _RF, _Enc, _Str) ->
{"<<...>>", 7};
-print_length(<<_/bitstring>>=Bin, D, _RF, Enc) ->
+print_length(<<_/bitstring>>=Bin, D, _RF, Enc, Str) ->
case bit_size(Bin) rem 8 of
0 ->
D1 = D - 1,
- case printable_bin(Bin, D1, Enc) of
+ case Str andalso printable_bin(Bin, D1, Enc) of
{true, List} when is_list(List) ->
S = io_lib:write_string(List, $"), %"
{[$<,$<,S,$>,$>], 4 + length(S)};
@@ -383,51 +385,53 @@ print_length(<<_/bitstring>>=Bin, D, _RF, Enc) ->
S = io_lib:write(Bin, D),
{{bin,S}, iolist_size(S)}
end;
-print_length(Term, _D, _RF, _Enc) ->
+print_length(Term, _D, _RF, _Enc, _Str) ->
S = io_lib:write(Term),
{S, lists:flatlength(S)}.
-print_length_tuple(_Tuple, 1, _RF, _Enc) ->
+print_length_tuple(_Tuple, 1, _RF, _Enc, _Str) ->
{"{...}", 5};
-print_length_tuple(Tuple, D, RF, Enc) ->
- L = print_length_list1(tuple_to_list(Tuple), D, RF, Enc),
+print_length_tuple(Tuple, D, RF, Enc, Str) ->
+ L = print_length_list1(tuple_to_list(Tuple), D, RF, Enc, Str),
IsTagged = is_atom(element(1, Tuple)) and (tuple_size(Tuple) > 1),
{{tuple,IsTagged,L}, list_length(L, 2)}.
-print_length_record(_Tuple, 1, _RF, _RDefs, _Enc) ->
+print_length_record(_Tuple, 1, _RF, _RDefs, _Enc, _Str) ->
{"{...}", 5};
-print_length_record(Tuple, D, RF, RDefs, Enc) ->
+print_length_record(Tuple, D, RF, RDefs, Enc, Str) ->
Name = [$# | io_lib:write_atom(element(1, Tuple))],
NameL = length(Name),
- L = print_length_fields(RDefs, D - 1, tl(tuple_to_list(Tuple)), RF, Enc),
+ Elements = tl(tuple_to_list(Tuple)),
+ L = print_length_fields(RDefs, D - 1, Elements, RF, Enc, Str),
{{record, [{Name,NameL} | L]}, list_length(L, NameL + 2)}.
-print_length_fields([], _D, [], _RF, _Enc) ->
+print_length_fields([], _D, [], _RF, _Enc, _Str) ->
[];
-print_length_fields(_, 1, _, _RF, _Enc) ->
+print_length_fields(_, 1, _, _RF, _Enc, _Str) ->
{dots, 3};
-print_length_fields([Def | Defs], D, [E | Es], RF, Enc) ->
- [print_length_field(Def, D - 1, E, RF, Enc) |
- print_length_fields(Defs, D - 1, Es, RF, Enc)].
+print_length_fields([Def | Defs], D, [E | Es], RF, Enc, Str) ->
+ [print_length_field(Def, D - 1, E, RF, Enc, Str) |
+ print_length_fields(Defs, D - 1, Es, RF, Enc, Str)].
-print_length_field(Def, D, E, RF, Enc) ->
+print_length_field(Def, D, E, RF, Enc, Str) ->
Name = io_lib:write_atom(Def),
- {S, L} = print_length(E, D, RF, Enc),
+ {S, L} = print_length(E, D, RF, Enc, Str),
NameL = length(Name) + 3,
{{field, Name, NameL, {S, L}}, NameL + L}.
-print_length_list(List, D, RF, Enc) ->
- L = print_length_list1(List, D, RF, Enc),
+print_length_list(List, D, RF, Enc, Str) ->
+ L = print_length_list1(List, D, RF, Enc, Str),
{{list, L}, list_length(L, 2)}.
-print_length_list1([], _D, _RF, _Enc) ->
+print_length_list1([], _D, _RF, _Enc, _Str) ->
[];
-print_length_list1(_, 1, _RF, _Enc) ->
+print_length_list1(_, 1, _RF, _Enc, _Str) ->
{dots, 3};
-print_length_list1([E | Es], D, RF, Enc) ->
- [print_length(E, D - 1, RF, Enc) | print_length_list1(Es, D - 1, RF, Enc)];
-print_length_list1(E, D, RF, Enc) ->
- print_length(E, D - 1, RF, Enc).
+print_length_list1([E | Es], D, RF, Enc, Str) ->
+ [print_length(E, D - 1, RF, Enc, Str) |
+ print_length_list1(Es, D - 1, RF, Enc, Str)];
+print_length_list1(E, D, RF, Enc, Str) ->
+ print_length(E, D - 1, RF, Enc, Str).
list_length([], Acc) ->
Acc;
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index c94f052b24..df66acb97b 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -22,7 +22,7 @@
-export([whereis_evaluator/0, whereis_evaluator/1]).
-export([start_restricted/1, stop_restricted/0]).
-export([local_allowed/3, non_local_allowed/3]).
--export([prompt_func/1]).
+-export([prompt_func/1, strings/1]).
-define(LINEMAX, 30).
-define(CHAR_MAX, 60).
@@ -30,6 +30,7 @@
-define(DEF_RESULTS, 20).
-define(DEF_CATCH_EXCEPTION, false).
-define(DEF_PROMPT_FUNC, default).
+-define(DEF_STRINGS, true).
-define(RECORDS, shell_records).
@@ -1366,8 +1367,16 @@ pp(V, I, RT) ->
pp(V, I, RT, enc()).
pp(V, I, RT, Enc) ->
+ Strings =
+ case application:get_env(stdlib, shell_strings) of
+ {ok, false} ->
+ false;
+ _ ->
+ true
+ end,
io_lib_pretty:print(V, ([{column, I}, {line_length, columns()},
{depth, ?LINEMAX}, {max_chars, ?CHAR_MAX},
+ {strings, Strings},
{record_print_fun, record_print_fun(RT)}]
++ Enc)).
@@ -1444,14 +1453,22 @@ history(L) when is_integer(L), L >= 0 ->
results(L) when is_integer(L), L >= 0 ->
set_env(stdlib, shell_saved_results, L, ?DEF_RESULTS).
--spec catch_exception(Bool) -> Bool when
+-spec catch_exception(Bool) -> boolean() when
Bool :: boolean().
catch_exception(Bool) ->
set_env(stdlib, shell_catch_exception, Bool, ?DEF_CATCH_EXCEPTION).
--spec prompt_func(PromptFunc) -> PromptFunc when
- PromptFunc :: 'default' | {module(),atom()}.
+-spec prompt_func(PromptFunc) -> PromptFunc2 when
+ PromptFunc :: 'default' | {module(),atom()},
+ PromptFunc2 :: 'default' | {module(),atom()}.
prompt_func(String) ->
set_env(stdlib, shell_prompt_func, String, ?DEF_PROMPT_FUNC).
+
+-spec strings(Strings) -> Strings2 when
+ Strings :: boolean(),
+ Strings2 :: boolean().
+
+strings(Strings) ->
+ set_env(stdlib, shell_strings, Strings, ?DEF_STRINGS).
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 65a112c966..aa698ecaa2 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -29,7 +29,8 @@
manpage/1, otp_6708/1, otp_7084/1, otp_7421/1,
io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1,
io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1,
- io_lib_print_binary_depth_one/1, otp_10302/1, otp_10836/1]).
+ io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1,
+ otp_10836/1]).
%-define(debug, true).
@@ -65,7 +66,7 @@ all() ->
manpage, otp_6708, otp_7084, otp_7421,
io_lib_collect_line_3_wb, cr_whitespace_in_string,
io_fread_newlines, otp_8989, io_lib_fread_literal,
- io_lib_print_binary_depth_one, otp_10302, otp_10836].
+ io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836].
groups() ->
[].
@@ -2085,3 +2086,40 @@ otp_10836(Suite) when is_list(Suite) ->
S = io_lib:format("~ts", [[<<"äpple"/utf8>>, <<"äpple">>]]),
"äppleäpple" = lists:flatten(S),
ok.
+
+otp_10755(doc) ->
+ "OTP-10755. The 'l' modifier";
+otp_10755(Suite) when is_list(Suite) ->
+ S = "string",
+ "\"string\"" = fmt("~p", [S]),
+ "[115,116,114,105,110,103]" = fmt("~lp", [S]),
+ "\"string\"" = fmt("~P", [S, 2]),
+ "[115|...]" = fmt("~lP", [S, 2]),
+ {'EXIT',{badarg,_}} = (catch fmt("~ltp", [S])),
+ {'EXIT',{badarg,_}} = (catch fmt("~tlp", [S])),
+ {'EXIT',{badarg,_}} = (catch fmt("~ltP", [S])),
+ {'EXIT',{badarg,_}} = (catch fmt("~tlP", [S])),
+ Text =
+ "-module(l_mod).\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " S = \"string\",\n"
+ " io:format(\"~ltp\", [S]),\n"
+ " io:format(\"~tlp\", [S]),\n"
+ " io:format(\"~ltP\", [S, 1]),\n"
+ " io:format(\"~tlP\", [S, 1]).\n",
+ {ok,l_mod,[{_File,Ws}]} = compile_file("l_mod.erl", Text, Suite),
+ ["format string invalid (invalid control ~lt)",
+ "format string invalid (invalid control ~tl)",
+ "format string invalid (invalid control ~lt)",
+ "format string invalid (invalid control ~tl)"] =
+ [lists:flatten(M:format_error(E)) || {_L,M,E} <- Ws],
+ ok.
+
+compile_file(File, Text, Config) ->
+ PrivDir = ?privdir(Config),
+ Fname = filename:join(PrivDir, File),
+ ok = file:write_file(Fname, Text),
+ try compile:file(Fname, [return])
+ after ok %file:delete(Fname)
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 15:05:25 +0000