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-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/io_lib_format.erl10
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl6
-rw-r--r--lib/stdlib/src/shell.erl25
5 files changed, 54 insertions, 18 deletions
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/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index 19eccf9355..56e15a17ec 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -58,7 +58,7 @@ collect_cseq(Fmt0, Args0) ->
{P,Fmt2,Args2} = precision(Fmt1, Args1),
{Pad,Fmt3,Args3} = pad_char(Fmt2, Args2),
{Encoding,Fmt4,Args4} = encoding(Fmt3, Args3),
- {Strings,Fmt5,Args5} = pretty_lists(Fmt4, Args4),
+ {Strings,Fmt5,Args5} = strings(Fmt4, Args4),
{C,As,Fmt6,Args6} = collect_cc(Fmt5, Args5),
{{C,As,F,Ad,P,Pad,Encoding,Strings},Fmt6,Args6}.
@@ -68,11 +68,11 @@ encoding([$t|Fmt],Args) ->
encoding(Fmt,Args) ->
{latin1,Fmt,Args}.
-pretty_lists([$l|Fmt],Args) ->
+strings([$l|Fmt],Args) ->
true = hd(Fmt) =/= $t,
- {no,Fmt,Args};
-pretty_lists(Fmt,Args) ->
- {unicode,Fmt,Args}.
+ {false,Fmt,Args};
+strings(Fmt,Args) ->
+ {true,Fmt,Args}.
field_width([$-|Fmt0], Args0) ->
{F,Fmt,Args} = field_value(Fmt0, Args0),
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index c7d2ad97c7..525b534249 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -56,7 +56,7 @@ print(Term) ->
| {depth, depth()}
| {max_chars, max_chars()}
| {record_print_fun, rec_print_fun()}
- | {strings, io_lib:pretty_lists()}
+ | {strings, boolean()}
| {encoding, latin1 | utf8 | unicode}.
-type options() :: [option()].
@@ -332,7 +332,7 @@ print_length([], _D, _RF, _Enc, _Str) ->
print_length({}, _D, _RF, _Enc, _Str) ->
{"{}", 2};
print_length(List, D, RF, Enc, Str) when is_list(List) ->
- case Str =:= unicode andalso printable_list(List, D, Enc) of
+ case Str andalso printable_list(List, D, Enc) of
true ->
S = write_string(List, Enc),
{S, length(S)};
@@ -364,7 +364,7 @@ print_length(<<_/bitstring>>=Bin, D, _RF, Enc, Str) ->
case bit_size(Bin) rem 8 of
0 ->
D1 = D - 1,
- case Str =:= unicode andalso 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)};
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).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 18:14:39 +0000