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-rw-r--r--lib/stdlib/doc/src/string.xml396
-rw-r--r--lib/stdlib/src/epp.erl5
-rw-r--r--lib/stdlib/src/erl_lint.erl7
-rw-r--r--lib/stdlib/src/erl_pp.erl38
-rw-r--r--lib/stdlib/src/erl_scan.erl6
-rw-r--r--lib/stdlib/src/escript.erl12
-rw-r--r--lib/stdlib/src/ets.erl4
-rw-r--r--lib/stdlib/src/filename.erl4
-rw-r--r--lib/stdlib/src/io_lib_format.erl10
-rw-r--r--lib/stdlib/src/lib.erl2
-rw-r--r--lib/stdlib/src/otp_internal.erl46
-rw-r--r--lib/stdlib/src/slave.erl2
-rw-r--r--lib/stdlib/src/string.erl10
-rwxr-xr-xlib/stdlib/uc_spec/gen_unicode_mod.escript24
14 files changed, 116 insertions, 450 deletions
diff --git a/lib/stdlib/doc/src/string.xml b/lib/stdlib/doc/src/string.xml
index 9d5edd9ecf..130fc74a28 100644
--- a/lib/stdlib/doc/src/string.xml
+++ b/lib/stdlib/doc/src/string.xml
@@ -109,10 +109,8 @@
<p>This module has been reworked in Erlang/OTP 20 to
handle <seealso marker="unicode#type-chardata">
<c>unicode:chardata()</c></seealso> and operate on grapheme
- clusters. The <seealso marker="#oldapi"> <c>old
- functions</c></seealso> that only work on Latin-1 lists as input
- are still available but should not be
- used. They will be deprecated in Erlang/OTP 21.
+ clusters. The <c>old functions</c> that only work on Latin-1 lists as input
+ are kept for backwards compatibility reasons but should not be used.
</p>
</description>
@@ -594,7 +592,7 @@ ÖÄÅ</pre>
or <c>both</c>, indicates from which direction characters
are to be removed.
</p>
- <p> Default <c><anno>Characters</anno></c> are the set of
+ <p> Default <c><anno>Characters</anno></c> is the set of
nonbreakable whitespace codepoints, defined as
Pattern_White_Space in
<url href="http://unicode.org/reports/tr31/">Unicode Standard Annex #31</url>.
@@ -631,393 +629,5 @@ ÖÄÅ</pre>
</func>
</funcs>
-
- <section>
- <marker id="oldapi"/>
- <title>Obsolete API functions</title>
- <p>Here follows the function of the old API.
- These functions only work on a list of Latin-1 characters.
- </p>
- <note><p>
- The functions are kept for backward compatibility, but are
- not recommended.
- They will be deprecated in Erlang/OTP 21.
- </p>
- <p>Any undocumented functions in <c>string</c> are not to be used.</p>
- </note>
- </section>
-
- <funcs>
- <func>
- <name name="centre" arity="2"/>
- <name name="centre" arity="3"/>
- <fsummary>Center a string.</fsummary>
- <desc>
- <p>Returns a string, where <c><anno>String</anno></c> is centered in the
- string and surrounded by blanks or <c><anno>Character</anno></c>.
- The resulting string has length <c><anno>Number</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#pad/3"><c>pad/3</c></seealso>.
- </p>
- </desc>
- </func>
-
- <func>
- <name name="chars" arity="2"/>
- <name name="chars" arity="3"/>
- <fsummary>Return a string consisting of numbers of characters.</fsummary>
- <desc>
- <p>Returns a string consisting of <c><anno>Number</anno></c> characters
- <c><anno>Character</anno></c>. Optionally, the string can end with
- string <c><anno>Tail</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="lists#duplicate/2"><c>lists:duplicate/2</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="chr" arity="2"/>
- <fsummary>Return the index of the first occurrence of
- a character in a string.</fsummary>
- <desc>
- <p>Returns the index of the first occurrence of
- <c><anno>Character</anno></c> in <c><anno>String</anno></c>. Returns
- <c>0</c> if <c><anno>Character</anno></c> does not occur.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#find/2"><c>find/2</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="concat" arity="2"/>
- <fsummary>Concatenate two strings.</fsummary>
- <desc>
- <p>Concatenates <c><anno>String1</anno></c> and
- <c><anno>String2</anno></c> to form a new string
- <c><anno>String3</anno></c>, which is returned.</p>
- <p>
- This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use <c>[<anno>String1</anno>, <anno>String2</anno>]</c> as
- <c>Data</c> argument, and call
- <seealso marker="unicode#characters_to_list/2">
- <c>unicode:characters_to_list/2</c></seealso> or
- <seealso marker="unicode#characters_to_binary/2">
- <c>unicode:characters_to_binary/2</c></seealso>
- to flatten the output.
- </p>
- </desc>
- </func>
-
- <func>
- <name name="copies" arity="2"/>
- <fsummary>Copy a string.</fsummary>
- <desc>
- <p>Returns a string containing <c><anno>String</anno></c> repeated
- <c><anno>Number</anno></c> times.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="lists#duplicate/2"><c>lists:duplicate/2</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="cspan" arity="2"/>
- <fsummary>Span characters at start of a string.</fsummary>
- <desc>
- <p>Returns the length of the maximum initial segment of
- <c><anno>String</anno></c>, which consists entirely of characters
- not from <c><anno>Chars</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#take/3"><c>take/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:cspan("\t abcdef", " \t").
-0</code>
- </desc>
- </func>
-
- <func>
- <name name="join" arity="2"/>
- <fsummary>Join a list of strings with separator.</fsummary>
- <desc>
- <p>Returns a string with the elements of <c><anno>StringList</anno></c>
- separated by the string in <c><anno>Separator</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="lists#join/2"><c>lists:join/2</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> join(["one", "two", "three"], ", ").
-"one, two, three"</code>
- </desc>
- </func>
-
- <func>
- <name name="left" arity="2"/>
- <name name="left" arity="3"/>
- <fsummary>Adjust left end of a string.</fsummary>
- <desc>
- <p>Returns <c><anno>String</anno></c> with the length adjusted in
- accordance with <c><anno>Number</anno></c>. The left margin is
- fixed. If <c>length(<anno>String</anno>)</c> &lt;
- <c><anno>Number</anno></c>, then <c><anno>String</anno></c> is padded
- with blanks or <c><anno>Character</anno></c>s.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#pad/2"><c>pad/2</c></seealso> or
- <seealso marker="#pad/3"><c>pad/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:left("Hello",10,$.).
-"Hello....."</code>
- </desc>
- </func>
-
- <func>
- <name name="len" arity="1"/>
- <fsummary>Return the length of a string.</fsummary>
- <desc>
- <p>Returns the number of characters in <c><anno>String</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#length/1"><c>length/1</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="rchr" arity="2"/>
- <fsummary>Return the index of the last occurrence of
- a character in a string.</fsummary>
- <desc>
- <p>Returns the index of the last occurrence of
- <c><anno>Character</anno></c> in <c><anno>String</anno></c>. Returns
- <c>0</c> if <c><anno>Character</anno></c> does not occur.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#find/3"><c>find/3</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="right" arity="2"/>
- <name name="right" arity="3"/>
- <fsummary>Adjust right end of a string.</fsummary>
- <desc>
- <p>Returns <c><anno>String</anno></c> with the length adjusted in
- accordance with <c><anno>Number</anno></c>. The right margin is
- fixed. If the length of <c>(<anno>String</anno>)</c> &lt;
- <c><anno>Number</anno></c>, then <c><anno>String</anno></c> is padded
- with blanks or <c><anno>Character</anno></c>s.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#pad/3"><c>pad/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:right("Hello", 10, $.).
-".....Hello"</code>
- </desc>
- </func>
-
- <func>
- <name name="rstr" arity="2"/>
- <fsummary>Find the index of a substring.</fsummary>
- <desc>
- <p>Returns the position where the last occurrence of
- <c><anno>SubString</anno></c> begins in <c><anno>String</anno></c>.
- Returns <c>0</c> if <c><anno>SubString</anno></c>
- does not exist in <c><anno>String</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#find/3"><c>find/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:rstr(" Hello Hello World World ", "Hello World").
-8</code>
- </desc>
- </func>
-
- <func>
- <name name="span" arity="2"/>
- <fsummary>Span characters at start of a string.</fsummary>
- <desc>
- <p>Returns the length of the maximum initial segment of
- <c><anno>String</anno></c>, which consists entirely of characters
- from <c><anno>Chars</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#take/2"><c>take/2</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:span("\t abcdef", " \t").
-5</code>
- </desc>
- </func>
-
- <func>
- <name name="str" arity="2"/>
- <fsummary>Find the index of a substring.</fsummary>
- <desc>
- <p>Returns the position where the first occurrence of
- <c><anno>SubString</anno></c> begins in <c><anno>String</anno></c>.
- Returns <c>0</c> if <c><anno>SubString</anno></c>
- does not exist in <c><anno>String</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#find/2"><c>find/2</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:str(" Hello Hello World World ", "Hello World").
-8</code>
- </desc>
- </func>
-
- <func>
- <name name="strip" arity="1"/>
- <name name="strip" arity="2"/>
- <name name="strip" arity="3"/>
- <fsummary>Strip leading or trailing characters.</fsummary>
- <desc>
- <p>Returns a string, where leading or trailing, or both, blanks or a
- number of <c><anno>Character</anno></c> have been removed.
- <c><anno>Direction</anno></c>, which can be <c>left</c>, <c>right</c>,
- or <c>both</c>, indicates from which direction blanks are to be
- removed. <c>strip/1</c> is equivalent to
- <c>strip(String, both)</c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#trim/3"><c>trim/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:strip("...Hello.....", both, $.).
-"Hello"</code>
- </desc>
- </func>
-
- <func>
- <name name="sub_string" arity="2"/>
- <name name="sub_string" arity="3"/>
- <fsummary>Extract a substring.</fsummary>
- <desc>
- <p>Returns a substring of <c><anno>String</anno></c>, starting at
- position <c><anno>Start</anno></c> to the end of the string, or to
- and including position <c><anno>Stop</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#slice/3"><c>slice/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-sub_string("Hello World", 4, 8).
-"lo Wo"</code>
- </desc>
- </func>
-
- <func>
- <name name="substr" arity="2"/>
- <name name="substr" arity="3"/>
- <fsummary>Return a substring of a string.</fsummary>
- <desc>
- <p>Returns a substring of <c><anno>String</anno></c>, starting at
- position <c><anno>Start</anno></c>, and ending at the end of the
- string or at length <c><anno>Length</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#slice/3"><c>slice/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> substr("Hello World", 4, 5).
-"lo Wo"</code>
- </desc>
- </func>
-
- <func>
- <name name="sub_word" arity="2"/>
- <name name="sub_word" arity="3"/>
- <fsummary>Extract subword.</fsummary>
- <desc>
- <p>Returns the word in position <c><anno>Number</anno></c> of
- <c><anno>String</anno></c>. Words are separated by blanks or
- <c><anno>Character</anno></c>s.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#nth_lexeme/3"><c>nth_lexeme/3</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> string:sub_word(" Hello old boy !",3,$o).
-"ld b"</code>
- </desc>
- </func>
-
- <func>
- <name name="to_lower" arity="1" clause_i="1"/>
- <name name="to_lower" arity="1" clause_i="2"/>
- <name name="to_upper" arity="1" clause_i="1"/>
- <name name="to_upper" arity="1" clause_i="2"/>
- <fsummary>Convert case of string (ISO/IEC 8859-1).</fsummary>
- <type variable="String" name_i="1"/>
- <type variable="Result" name_i="1"/>
- <type variable="Char"/>
- <type variable="CharResult"/>
- <desc>
- <p>The specified string or character is case-converted. Notice that
- the supported character set is ISO/IEC 8859-1 (also called Latin 1);
- all values outside this set are unchanged</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso> use
- <seealso marker="#lowercase/1"><c>lowercase/1</c></seealso>,
- <seealso marker="#uppercase/1"><c>uppercase/1</c></seealso>,
- <seealso marker="#titlecase/1"><c>titlecase/1</c></seealso> or
- <seealso marker="#casefold/1"><c>casefold/1</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="tokens" arity="2"/>
- <fsummary>Split string into tokens.</fsummary>
- <desc>
- <p>Returns a list of tokens in <c><anno>String</anno></c>, separated
- by the characters in <c><anno>SeparatorList</anno></c>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> tokens("abc defxxghix jkl", "x ").
-["abc", "def", "ghi", "jkl"]</code>
- <p>Notice that, as shown in this example, two or more
- adjacent separator characters in <c><anno>String</anno></c>
- are treated as one. That is, there are no empty
- strings in the resulting list of tokens.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#lexemes/2"><c>lexemes/2</c></seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name name="words" arity="1"/>
- <name name="words" arity="2"/>
- <fsummary>Count blank separated words.</fsummary>
- <desc>
- <p>Returns the number of words in <c><anno>String</anno></c>, separated
- by blanks or <c><anno>Character</anno></c>.</p>
- <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
- Use
- <seealso marker="#lexemes/2"><c>lexemes/2</c></seealso>.</p>
- <p><em>Example:</em></p>
- <code type="none">
-> words(" Hello old boy!", $o).
-4</code>
- </desc>
- </func>
- </funcs>
-
- <section>
- <title>Notes</title>
- <p>Some of the general string functions can seem to overlap each
- other. The reason is that this string package is the
- combination of two earlier packages and all functions of
- both packages have been retained.</p>
- </section>
-
</erlref>
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 31d0d499e3..00e6a10d8a 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -479,7 +479,7 @@ com_enc(_B, _Fun, _N, L, Ps) ->
com_enc_end([L | Ps]).
com_enc_end(Ps0) ->
- Ps = lists:reverse([lists:reverse(string:to_lower(P)) || P <- Ps0]),
+ Ps = lists:reverse([lists:reverse(lowercase(P)) || P <- Ps0]),
com_encoding(Ps).
com_encoding(["latin","1"|_]) ->
@@ -489,6 +489,9 @@ com_encoding(["utf","8"|_]) ->
com_encoding(_) ->
throw(no). % Don't try any further
+lowercase(S) ->
+ unicode:characters_to_list(string:lowercase(S)).
+
normalize_typed_record_fields([]) ->
{typed, []};
normalize_typed_record_fields(Fields) ->
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 9cd4727dc3..f58cb35cea 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -3910,10 +3910,9 @@ check_format_string(Fmt) ->
extract_sequences(Fmt, []).
extract_sequences(Fmt, Need0) ->
- case string:chr(Fmt, $~) of
- 0 -> {ok,lists:reverse(Need0)}; %That's it
- Pos ->
- Fmt1 = string:substr(Fmt, Pos+1), %Skip ~
+ case string:find(Fmt, [$~]) of
+ nomatch -> {ok,lists:reverse(Need0)}; %That's it
+ [$~|Fmt1] ->
case extract_sequence(1, Fmt1, Need0) of
{ok,Need1,Rest} -> extract_sequences(Rest, Need1);
Error -> Error
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index b0064aadb8..367dbefb82 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -237,13 +237,20 @@ lform({attribute,Line,Name,Arg}, Opts) ->
lform({function,Line,Name,Arity,Clauses}, Opts) ->
lfunction({function,Line,Name,Arity,Clauses}, Opts);
%% These are specials to make it easier for the compiler.
-lform({error,E}, _Opts) ->
- leaf(format("~p\n", [{error,E}]));
-lform({warning,W}, _Opts) ->
- leaf(format("~p\n", [{warning,W}]));
+lform({error,_}=E, Opts) ->
+ message(E, Opts);
+lform({warning,_}=W, Opts) ->
+ message(W, Opts);
lform({eof,_Line}, _Opts) ->
$\n.
+message(M, #options{encoding = Encoding}) ->
+ F = case Encoding of
+ latin1 -> "~p\n";
+ unicode -> "~tp\n"
+ end,
+ leaf(format(F, [M])).
+
lattribute({attribute,_Line,type,Type}, Opts) ->
[typeattr(type, Type, Opts),leaf(".\n")];
lattribute({attribute,_Line,opaque,Type}, Opts) ->
@@ -902,7 +909,7 @@ maybe_paren(_P, _Prec, Expr) ->
Expr.
leaf(S) ->
- {leaf,chars_size(S),S}.
+ {leaf,string:length(S),S}.
%%% Do the formatting. Currently nothing fancy. Could probably have
%%% done it in one single pass.
@@ -962,7 +969,7 @@ f({seq,Before,After,Sep,LItems}, I0, ST, WT, PP) ->
Sizes = BSizeL ++ SizeL,
NSepChars = if
is_list(Sep), Sep =/= [] ->
- erlang:max(0, length(CharsL)-1);
+ erlang:max(0, length(CharsL)-1); % not string:length
true ->
0
end,
@@ -1118,7 +1125,7 @@ incr(I, Incr) ->
I+Incr.
indentation(E, I) when I < 0 ->
- chars_size(E);
+ string:length(E);
indentation(E, I0) ->
I = io_lib_format:indentation(E, I0),
case has_nl(E) of
@@ -1155,19 +1162,19 @@ write_a_string(S, I, PP) ->
write_a_string([], _N, _Len, _PP) ->
[];
write_a_string(S, N, Len, PP) ->
- SS = string:sub_string(S, 1, N),
+ SS = string:slice(S, 0, N),
Sl = write_string(SS, PP),
- case (chars_size(Sl) > Len) and (N > ?MIN_SUBSTRING) of
+ case (string:length(Sl) > Len) and (N > ?MIN_SUBSTRING) of
true ->
write_a_string(S, N-1, Len, PP);
false ->
[flat_leaf(Sl) |
- write_a_string(lists:nthtail(length(SS), S), Len, Len, PP)]
+ write_a_string(string:slice(S, string:length(SS)), Len, Len, PP)]
end.
flat_leaf(S) ->
L = lists:flatten(S),
- {leaf,length(L),L}.
+ {leaf,string:length(L),L}.
write_value(V, PP) ->
(PP#pp.value_fun)(V).
@@ -1188,15 +1195,6 @@ write_char(C, PP) ->
a0() ->
erl_anno:new(0).
-chars_size([C | Es]) when is_integer(C) ->
- 1 + chars_size(Es);
-chars_size([E | Es]) ->
- chars_size(E) + chars_size(Es);
-chars_size([]) ->
- 0;
-chars_size(B) when is_binary(B) ->
- byte_size(B).
-
-define(N_SPACES, 30).
spacetab() ->
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 47223b129c..4774c4bf19 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2015. 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.
@@ -752,7 +752,7 @@ scan_string(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) ->
{char_error,Ncs,Error,Nline,Ncol,EndCol} ->
scan_error(Error, Nline, Ncol, Nline, EndCol, Ncs);
{error,Nline,Ncol,Nwcs,Ncs} ->
- Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars.
+ Estr = string:slice(Nwcs, 0, 16), % Expanded escape chars.
scan_error({string,$\",Estr}, Line0, Col0, Nline, Ncol, Ncs); %"
{Ncs,Nline,Ncol,Nstr,Nwcs} ->
Anno = anno(Line0, Col0, St, Nstr),
@@ -767,7 +767,7 @@ scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) ->
{char_error,Ncs,Error,Nline,Ncol,EndCol} ->
scan_error(Error, Nline, Ncol, Nline, EndCol, Ncs);
{error,Nline,Ncol,Nwcs,Ncs} ->
- Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars.
+ Estr = string:slice(Nwcs, 0, 16), % Expanded escape chars.
scan_error({string,$\',Estr}, Line0, Col0, Nline, Ncol, Ncs); %'
{Ncs,Nline,Ncol,Nstr,Nwcs} ->
case catch list_to_atom(Nwcs) of
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index 2b9d8ff65b..132f8efbbe 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -224,8 +224,8 @@ return_sections(S, Bin) ->
normalize_section(Name, undefined) ->
{Name, undefined};
normalize_section(shebang, "#!" ++ Chars) ->
- Chopped = string:strip(Chars, right, $\n),
- Stripped = string:strip(Chopped, both),
+ Chopped = string:trim(Chars, trailing, "$\n"),
+ Stripped = string:trim(Chopped, both),
if
Stripped =:= ?SHEBANG ->
{shebang, default};
@@ -233,8 +233,8 @@ normalize_section(shebang, "#!" ++ Chars) ->
{shebang, Stripped}
end;
normalize_section(comment, Chars) ->
- Chopped = string:strip(Chars, right, $\n),
- Stripped = string:strip(string:strip(Chopped, left, $%), both),
+ Chopped = string:trim(Chars, trailing, "$\n"),
+ Stripped = string:trim(string:trim(Chopped, leading, "$%"), both),
if
Stripped =:= ?COMMENT ->
{comment, default};
@@ -242,8 +242,8 @@ normalize_section(comment, Chars) ->
{comment, Stripped}
end;
normalize_section(emu_args, "%%!" ++ Chars) ->
- Chopped = string:strip(Chars, right, $\n),
- Stripped = string:strip(Chopped, both),
+ Chopped = string:trim(Chars, trailing, "$\n"),
+ Stripped = string:trim(Chopped, both),
{emu_args, Stripped};
normalize_section(Name, Chars) ->
{Name, Chars}.
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index b5d3cd3c8d..4858c8d13c 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -1717,7 +1717,7 @@ get_line(P, Default) ->
line_string(Binary) when is_binary(Binary) -> unicode:characters_to_list(Binary);
line_string(Other) -> Other.
-nonl(S) -> string:strip(S, right, $\n).
+nonl(S) -> string:trim(S, trailing, "$\n").
print_number(Tab, Key, Num) ->
Os = ets:lookup(Tab, Key),
@@ -1746,7 +1746,7 @@ do_display_item(_Height, Width, I, Opos) ->
L = to_string(I),
L2 = if
length(L) > Width - 8 ->
- string:substr(L, 1, Width-13) ++ " ...";
+ string:slice(L, 0, Width-13) ++ " ...";
true ->
L
end,
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 9bf4290916..63cfeae57b 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -1036,10 +1036,10 @@ basedir_linux(Type) ->
user_log -> getenv("XDG_CACHE_HOME", ?basedir_linux_user_log, true);
site_data ->
Base = getenv("XDG_DATA_DIRS",?basedir_linux_site_data,false),
- string:tokens(Base,":");
+ string:lexemes(Base, ":");
site_config ->
Base = getenv("XDG_CONFIG_DIRS",?basedir_linux_site_config,false),
- string:tokens(Base,":")
+ string:lexemes(Base, ":")
end.
-define(basedir_darwin_user_data, "Library/Application Support").
diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index 4b2d15c8b3..e345810ca0 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -380,7 +380,7 @@ float_e(_Fl, {Ds,E}, P) ->
{Fs,false} -> [Fs|float_exp(E-1)]
end.
-%% float_man([Digit], Icount, Dcount) -> {[Chars],CarryFlag}.
+%% float_man([Digit], Icount, Dcount) -> {[Char],CarryFlag}.
%% Generate the characters in the mantissa from the digits with Icount
%% characters before the '.' and Dcount decimals. Handle carry and let
%% caller decide what to do at top.
@@ -395,7 +395,7 @@ float_man([D|Ds], I, Dc) ->
{Cs,false} -> {[D|Cs],false}
end;
float_man([], I, Dc) -> %Pad with 0's
- {string:chars($0, I, [$.|string:chars($0, Dc)]),false}.
+ {lists:duplicate(I, $0) ++ [$.|lists:duplicate(Dc, $0)],false}.
float_man([D|_], 0) when D >= $5 -> {[],true};
float_man([_|_], 0) -> {[],false};
@@ -405,7 +405,7 @@ float_man([D|Ds], Dc) ->
{Cs,true} -> {[D+1|Cs],false};
{Cs,false} -> {[D|Cs],false}
end;
-float_man([], Dc) -> {string:chars($0, Dc),false}. %Pad with 0's
+float_man([], Dc) -> {lists:duplicate(Dc, $0),false}. %Pad with 0's
%% float_exp(Exponent) -> [Char].
%% Generate the exponent of a floating point number. Always include sign.
@@ -429,7 +429,7 @@ fwrite_f(Fl, F, Adj, P, Pad) when P >= 1 ->
float_f(Fl, Fd, P) when Fl < 0.0 ->
[$-|float_f(-Fl, Fd, P)];
float_f(Fl, {Ds,E}, P) when E =< 0 ->
- float_f(Fl, {string:chars($0, -E+1, Ds),1}, P); %Prepend enough 0's
+ float_f(Fl, {lists:duplicate(-E+1, $0)++Ds,1}, P); %Prepend enough 0's
float_f(_Fl, {Ds,E}, P) ->
case float_man(Ds, E, P) of
{Fs,true} -> "1" ++ Fs; %Handle carry
@@ -751,7 +751,7 @@ adjust(Data, Pad, right) -> [Pad|Data].
flat_trunc(List, N) when is_integer(N), N >= 0 ->
string:slice(List, 0, N).
-%% A deep version of string:chars/2,3
+%% A deep version of lists:duplicate/2
chars(_C, 0) ->
[];
diff --git a/lib/stdlib/src/lib.erl b/lib/stdlib/src/lib.erl
index c6eb0d7915..a7980cc294 100644
--- a/lib/stdlib/src/lib.erl
+++ b/lib/stdlib/src/lib.erl
@@ -646,7 +646,7 @@ pp_arguments(PF, As, I, Enc) ->
Ll = length(L),
A = list_to_atom(lists:duplicate(Ll, $a)),
S0 = unicode:characters_to_list(PF([A | T], I+1), Enc),
- brackets_to_parens([$[,L,string:sub_string(S0, 2+Ll)], Enc);
+ brackets_to_parens([$[,L,string:slice(S0, 1+Ll)], Enc);
_ ->
brackets_to_parens(PF(As, I+1), Enc)
end.
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index c59db903dc..7605ac763d 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -611,6 +611,52 @@ obsolete_1(filename, find_src, 2) ->
obsolete_1(erlang, hash, 2) ->
{removed, {erlang, phash2, 2}, "20.0"};
+%% Added in OTP-21
+obsolete_1(string, len, 1) ->
+ {deprecated, "deprecated; use string:length/3 instead"};
+obsolete_1(string, concat, 2) ->
+ {deprecated, "deprecated; use [Str1,Str2] instead"};
+obsolete_1(string, str, 2) ->
+ {deprecated, "deprecated; use string:find/2 instead"};
+obsolete_1(string, rstr, 2) ->
+ {deprecated, "deprecated; use string:find/3 instead"};
+obsolete_1(string, chr, 2) ->
+ {deprecated, "deprecated; use string:find/2 instead"};
+obsolete_1(string, rchr, 2) ->
+ {deprecated, "deprecated; use string:find/3 instead"};
+obsolete_1(string, span, 2) ->
+ {deprecated, "deprecated; use string:take/2 instead"};
+obsolete_1(string, cspan, 2) ->
+ {deprecated, "deprecated; use string:take/3 instead"};
+obsolete_1(string, substr, _) ->
+ {deprecated, "deprecated; use string:slice/3 instead"};
+obsolete_1(string, tokens, 2) ->
+ {deprecated, "deprecated; use string:lexemes/2 instead"};
+obsolete_1(string, chars, _) ->
+ {deprecated, "deprecated; use lists:duplicate/2 instead"};
+obsolete_1(string, copies, _) ->
+ {deprecated, "deprecated; use lists:duplicate/2 instead"};
+obsolete_1(string, words, _) ->
+ {deprecated, "deprecated; use string:lexemes/2 instead"};
+obsolete_1(string, strip, _) ->
+ {deprecated, "deprecated; use string:trim/3 instead"};
+obsolete_1(string, sub_word, _) ->
+ {deprecated, "deprecated; use string:nth_lexeme/3 instead"};
+obsolete_1(string, sub_string, _) ->
+ {deprecated, "deprecated; use string:slice/3 instead"};
+obsolete_1(string, left, _) ->
+ {deprecated, "deprecated; use string:pad/3 instead"};
+obsolete_1(string, right, _) ->
+ {deprecated, "deprecated; use string:pad/3 instead"};
+obsolete_1(string, centre, _) ->
+ {deprecated, "deprecated; use string:pad/3 instead"};
+obsolete_1(string, join, _) ->
+ {deprecated, "deprecated; use lists:join/2 instead"};
+obsolete_1(string, to_upper, _) ->
+ {deprecated, "deprecated; use string:uppercase/1 or string:titlecase/1 instead"};
+obsolete_1(string, to_lower, _) ->
+ {deprecated, "deprecated; use string:lowercase/1 or string:casefold/1 instead"};
+
%% not obsolete
obsolete_1(_, _, _) ->
diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl
index d7cf6386f5..b3f3206d67 100644
--- a/lib/stdlib/src/slave.erl
+++ b/lib/stdlib/src/slave.erl
@@ -320,7 +320,7 @@ mk_cmd(Host, Name, Args, Waiter, Prog0) ->
%% emulator and flags as the test node. The return from lib:progname()
%% could then typically be '/<full_path_to>/cerl -gcov').
quote_progname(Progname) ->
- do_quote_progname(string:tokens(to_list(Progname)," ")).
+ do_quote_progname(string:lexemes(to_list(Progname)," ")).
do_quote_progname([Prog]) ->
"\""++Prog++"\"";
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index 4972da297d..5a4d2df2a6 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -87,6 +87,16 @@
%%% May be removed
-export([list_to_float/1, list_to_integer/1]).
+-deprecated([{len,1},{concat,2},
+ {str,2},{chr,2},{rchr,2},{rstr,2},
+ {span,2},{cspan,2},{substr,'_'},{tokens,2},
+ {chars,'_'},
+ {copies,2},{words,'_'},{strip,'_'},
+ {sub_word,'_'},{left,'_'},{right,'_'},
+ {sub_string,'_'},{centre,'_'},{join,2},
+ {to_upper,1}, {to_lower,1}
+ ]).
+
%% Uses bifs: string:list_to_float/1 and string:list_to_integer/1
-spec list_to_float(String) -> {Float, Rest} | {'error', Reason} when
String :: string(),
diff --git a/lib/stdlib/uc_spec/gen_unicode_mod.escript b/lib/stdlib/uc_spec/gen_unicode_mod.escript
index 5b8763f576..674e5a0628 100755
--- a/lib/stdlib/uc_spec/gen_unicode_mod.escript
+++ b/lib/stdlib/uc_spec/gen_unicode_mod.escript
@@ -65,7 +65,7 @@ main(_) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
parse_unicode_data(Line0, Acc) ->
- Line = string:strip(Line0, right, $\n),
+ Line = string:chomp(Line0),
[CodePoint,Name,_Cat,Class,_BiDi,Decomp,
_N1,_N2,_N3,_BDMirror,_Uni1,_Iso|Case] = tokens(Line, ";"),
{Dec,Comp} = case to_decomp(Decomp) of
@@ -78,14 +78,14 @@ parse_unicode_data(Line0, Acc) ->
|Acc].
to_class(String) ->
- list_to_integer(string:strip(String, both)).
+ list_to_integer(string:trim(String, both)).
to_decomp("") -> [];
to_decomp("<" ++ Str) ->
- [Tag,Rest] = string:tokens(Str, ">"),
+ [Tag,Rest] = string:lexemes(Str, ">"),
{list_to_atom(Tag), to_decomp(Rest)};
to_decomp(CodePoints) ->
- CPL = string:tokens(CodePoints, " "),
+ CPL = string:lexemes(CodePoints, " "),
[hex_to_int(CP) || CP <- CPL].
to_case(["","",""]) -> [];
@@ -105,20 +105,20 @@ parse_special_casing(Line, Table) ->
array:set(CP, Entry#cp{cs=Case}, Table).
to_scase([Lower,Title,Upper|_]) ->
- {unlist([hex_to_int(CP) || CP <- string:strip(string:tokens(Upper, " "), both)]),
- unlist([hex_to_int(CP) || CP <- string:strip(string:tokens(Lower, " "), both)]),
- unlist([hex_to_int(CP) || CP <- string:strip(string:tokens(Title, " "), both)]),
+ {unlist([hex_to_int(CP) || CP <- string:lexemes(Upper, " ")]),
+ unlist([hex_to_int(CP) || CP <- string:lexemes(Lower, " ")]),
+ unlist([hex_to_int(CP) || CP <- string:lexemes(Title, " ")]),
[]}.
parse_case_folding(Line, Table) ->
[CodePoint, Class0, CaseStr |_Comments] = tokens(Line, ";"),
- Class = string:strip(Class0, both),
+ Class = string:trim(Class0, both),
if Class =:= "T" -> Table; %% Do not support localization yet
Class =:= "S" -> Table; %% Ignore simple
true ->
CP = hex_to_int(CodePoint),
Case = unlist([hex_to_int(CPC) ||
- CPC <- string:strip(string:tokens(CaseStr, " "), both)]),
+ CPC <- string:lexemes(CaseStr, " ")]),
#cp{cs={U,L,T,_}} = Entry = array:get(CP, Table),
array:set(CP, Entry#cp{cs={U,L,T,Case}}, Table)
end.
@@ -869,10 +869,10 @@ optimize_ranges_1(Rs) ->
hex_to_int([]) -> [];
hex_to_int(HexStr) ->
- list_to_integer(string:strip(HexStr, both), 16).
+ list_to_integer(string:trim(HexStr, both), 16).
to_atom(Str) ->
- list_to_atom(string:to_lower(string:strip(Str, both))).
+ list_to_atom(string:lowercase(string:trim(Str, both))).
foldl(Fun, Acc, Fd) ->
Get = fun() -> file:read_line(Fd) end,
@@ -892,7 +892,7 @@ foldl_1(Fun, Acc, Get) ->
-%% Differs from string:tokens, it returns empty string as token between two delimiters
+%% Differs from string:lexemes, it returns empty string as token between two delimiters
tokens(S, [C]) ->
tokens(lists:reverse(S), C, []).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 18:21:06 +0000