diff options
| -rw-r--r-- | lib/stdlib/doc/src/io.xml | 67 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_lint.erl | 6 | ||||
| -rw-r--r-- | lib/stdlib/src/io_lib_format.erl | 86 | ||||
| -rw-r--r-- | lib/stdlib/src/io_lib_pretty.erl | 104 | ||||
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 42 |
5 files changed, 189 insertions, 116 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,[<0.26.0>,"~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,[<0.22.0>,"~s","A"]}, {erl_eval,do_apply,5}, {shell,exprs,6}, 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, [$l, C | _Fmt], _Need) -> + {error,"invalid control ~l" ++ [C]}; extract_sequence(4, Fmt, Need) -> extract_sequence(5, Fmt, Need); extract_sequence(5, [C|Fmt], Need0) -> diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl index 64d19ccf48..19eccf9355 100644 --- a/lib/stdlib/src/io_lib_format.erl +++ b/lib/stdlib/src/io_lib_format.erl @@ -58,14 +58,22 @@ collect_cseq(Fmt0, Args0) -> {P,Fmt2,Args2} = precision(Fmt1, Args1), {Pad,Fmt3,Args3} = pad_char(Fmt2, Args2), {Encoding,Fmt4,Args4} = encoding(Fmt3, Args3), - {C,As,Fmt5,Args5} = collect_cc(Fmt4, Args4), - {{C,As,F,Ad,P,Pad,Encoding},Fmt5,Args5}. + {Strings,Fmt5,Args5} = pretty_lists(Fmt4, Args4), + {C,As,Fmt6,Args6} = collect_cc(Fmt5, Args5), + {{C,As,F,Ad,P,Pad,Encoding,Strings},Fmt6,Args6}. encoding([$t|Fmt],Args) -> + true = hd(Fmt) =/= $l, {unicode,Fmt,Args}; encoding(Fmt,Args) -> {latin1,Fmt,Args}. +pretty_lists([$l|Fmt],Args) -> + true = hd(Fmt) =/= $t, + {no,Fmt,Args}; +pretty_lists(Fmt,Args) -> + {unicode,Fmt,Args}. + field_width([$-|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..c7d2ad97c7 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, io_lib:pretty_lists()} | {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 =:= unicode 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 =:= unicode 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/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. |