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-rw-r--r--lib/stdlib/src/dets.erl111
-rw-r--r--lib/stdlib/src/dets_v8.erl2
-rw-r--r--lib/stdlib/src/dets_v9.erl5
-rw-r--r--lib/stdlib/src/epp.erl43
-rw-r--r--lib/stdlib/src/erl_lint.erl14
-rw-r--r--lib/stdlib/src/lists.erl64
-rw-r--r--lib/stdlib/src/ordsets.erl16
-rw-r--r--lib/stdlib/src/string.erl2
-rw-r--r--lib/stdlib/src/supervisor.erl14
9 files changed, 156 insertions, 115 deletions
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index 4584b8184f..6c91f1efb7 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -147,6 +147,7 @@
bin, % small chunk not consumed, or 'eof' at end-of-file
alloc, % the part of the file not yet scanned, mostly a binary
tab,
+ proc, % the pid of the Dets process
match_program % true | compiled_match_spec() | undefined
}).
@@ -208,8 +209,6 @@ all() ->
bchunk(Tab, start) ->
badarg(treq(Tab, {bchunk_init, Tab}), [Tab, start]);
-bchunk(Tab, #dets_cont{bin = eof, tab = Tab}) ->
- '$end_of_table';
bchunk(Tab, #dets_cont{what = bchunk, tab = Tab} = State) ->
badarg(treq(Tab, {bchunk, State}), [Tab, State]);
bchunk(Tab, Term) ->
@@ -722,11 +721,14 @@ init_chunk_match(Tab, Pat, What, N) when is_integer(N), N >= 0;
N =:= default ->
case compile_match_spec(What, Pat) of
{Spec, MP} ->
- case req(dets_server:get_pid(Tab), {match, MP, Spec, N}) of
+ Proc = dets_server:get_pid(Tab),
+ case req(Proc, {match, MP, Spec, N}) of
{done, L} ->
- {L, #dets_cont{tab = Tab, what = What, bin = eof}};
+ {L, #dets_cont{tab = Tab, proc = Proc, what = What,
+ bin = eof}};
{cont, State} ->
- chunk_match(State#dets_cont{what = What, tab = Tab});
+ chunk_match(State#dets_cont{what = What, tab = Tab,
+ proc = Proc});
Error ->
Error
end;
@@ -736,34 +738,28 @@ init_chunk_match(Tab, Pat, What, N) when is_integer(N), N >= 0;
init_chunk_match(_Tab, _Pat, _What, _) ->
badarg.
-chunk_match(State) ->
- case catch dets_server:get_pid(State#dets_cont.tab) of
- {'EXIT', _Reason} ->
- badarg;
- _Proc when State#dets_cont.bin =:= eof ->
- '$end_of_table';
- Proc ->
- case req(Proc, {match_init, State}) of
- {cont, {Bins, NewState}} ->
- MP = NewState#dets_cont.match_program,
- case catch do_foldl_bins(Bins, MP) of
- {'EXIT', _} ->
- case ets:is_compiled_ms(MP) of
- true ->
- Bad = dets_utils:bad_object(chunk_match,
- Bins),
- req(Proc, {corrupt, Bad});
- false ->
- badarg
- end;
- [] ->
- chunk_match(NewState);
- Terms ->
- {Terms, NewState}
- end;
- Error ->
- Error
- end
+chunk_match(#dets_cont{proc = Proc}=State) ->
+ case req(Proc, {match_init, State}) of
+ '$end_of_table'=Reply ->
+ Reply;
+ {cont, {Bins, NewState}} ->
+ MP = NewState#dets_cont.match_program,
+ case catch do_foldl_bins(Bins, MP) of
+ {'EXIT', _} ->
+ case ets:is_compiled_ms(MP) of
+ true ->
+ Bad = dets_utils:bad_object(chunk_match, Bins),
+ req(Proc, {corrupt, Bad});
+ false ->
+ badarg
+ end;
+ [] ->
+ chunk_match(NewState);
+ Terms ->
+ {Terms, NewState}
+ end;
+ Error ->
+ Error
end.
do_foldl_bins(Bins, true) ->
@@ -1094,7 +1090,9 @@ do_apply_op(Op, From, Head, N) ->
{N2, H2} when is_record(H2, head), is_integer(N2) ->
open_file_loop(H2, N2);
H2 when is_record(H2, head) ->
- open_file_loop(H2, N)
+ open_file_loop(H2, N);
+ {{more,From1,Op1,N1}, NewHead} ->
+ do_apply_op(Op1, From1, NewHead, N1)
catch
exit:normal ->
exit(normal);
@@ -1363,37 +1361,35 @@ start_auto_save_timer(Head) ->
%% lookup requests in parallel. Evalute delete_object, delete and
%% insert as well.
stream_op(Op, Pid, Pids, Head, N) ->
- stream_op(Head, Pids, [], N, Pid, Op, Head#head.fixed).
+ #head{fixed = Fxd, update_mode = M} = Head,
+ stream_op(Head, Pids, [], N, Pid, Op, Fxd, M).
-stream_loop(Head, Pids, C, N, false = Fxd) ->
+stream_loop(Head, Pids, C, N, false = Fxd, M) ->
receive
?DETS_CALL(From, Message) ->
- stream_op(Head, Pids, C, N, From, Message, Fxd)
+ stream_op(Head, Pids, C, N, From, Message, Fxd, M)
after 0 ->
stream_end(Head, Pids, C, N, no_more)
end;
-stream_loop(Head, Pids, C, N, _Fxd) ->
+stream_loop(Head, Pids, C, N, _Fxd, _M) ->
stream_end(Head, Pids, C, N, no_more).
-stream_op(Head, Pids, C, N, Pid, {lookup_keys,Keys}, Fxd) ->
+stream_op(Head, Pids, C, N, Pid, {lookup_keys,Keys}, Fxd, M) ->
NC = [{{lookup,Pid},Keys} | C],
- stream_loop(Head, Pids, NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {insert, _Objects} = Op, Fxd) ->
- NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {insert_new, _Objects} = Op, Fxd) ->
+ stream_loop(Head, Pids, NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {insert, _Objects} = Op, Fxd, dirty = M) ->
NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {delete_key, _Keys} = Op, Fxd) ->
+ stream_loop(Head, [Pid | Pids], NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {delete_key, _Keys} = Op, Fxd, dirty = M) ->
NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {delete_object, _Objects} = Op, Fxd) ->
+ stream_loop(Head, [Pid | Pids], NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {delete_object, _Os} = Op, Fxd, dirty = M) ->
NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {member, Key}, Fxd) ->
+ stream_loop(Head, [Pid | Pids], NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {member, Key}, Fxd, M) ->
NC = [{{lookup,[Pid]},[Key]} | C],
- stream_loop(Head, Pids, NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, Op, _Fxd) ->
+ stream_loop(Head, Pids, NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, Op, _Fxd, _M) ->
stream_end(Head, Pids, C, N, {Pid,Op}).
stream_end(Head, Pids0, C, N, Next) ->
@@ -1438,7 +1434,7 @@ stream_end2([], Ps, no_more, N, C, Head, _Reply) ->
penalty(Head, Ps, C),
{N, Head};
stream_end2([], _Ps, {From, Op}, N, _C, Head, _Reply) ->
- apply_op(Op, From, Head, N).
+ {{more,From,Op,N},Head}.
penalty(H, _Ps, _C) when H#head.fixed =:= false ->
ok;
@@ -1578,13 +1574,18 @@ do_bchunk_init(Head, Tab) ->
L = dets_utils:all_allocated(H2),
C0 = #dets_cont{no_objs = default, bin = <<>>, alloc = L},
BinParms = term_to_binary(Parms),
- {H2, {C0#dets_cont{tab = Tab, what = bchunk}, [BinParms]}}
+ {H2, {C0#dets_cont{tab = Tab, proc = self(),what = bchunk},
+ [BinParms]}}
end;
{NewHead, _} = HeadError when is_record(NewHead, head) ->
HeadError
end.
%% -> {NewHead, {cont(), [binary()]}} | {NewHead, Error}
+do_bchunk(Head, #dets_cont{proc = Proc}) when Proc =/= self() ->
+ {Head, badarg};
+do_bchunk(Head, #dets_cont{bin = eof}) ->
+ {Head, '$end_of_table'};
do_bchunk(Head, State) ->
case dets_v9:read_bchunks(Head, State#dets_cont.alloc) of
{error, Reason} ->
@@ -1954,6 +1955,8 @@ flookup_keys(Head, Keys) ->
end.
%% -> {NewHead, Result}
+fmatch_init(Head, #dets_cont{bin = eof}) ->
+ {Head, '$end_of_table'};
fmatch_init(Head, C) ->
case scan(Head, C) of
{scan_error, Reason} ->
diff --git a/lib/stdlib/src/dets_v8.erl b/lib/stdlib/src/dets_v8.erl
index 1f9f84cd27..af36958c1c 100644
--- a/lib/stdlib/src/dets_v8.erl
+++ b/lib/stdlib/src/dets_v8.erl
@@ -1074,6 +1074,8 @@ wl([], _Type, Del, Lookup, I, Objs) ->
[{Del, Lookup, Objs} | I].
%% -> {NewHead, ok} | {NewHead, Error}
+may_grow(Head, 0, once) ->
+ {Head, ok};
may_grow(Head, _N, _How) when Head#head.fixed =/= false ->
{Head, ok};
may_grow(#head{access = read}=Head, _N, _How) ->
diff --git a/lib/stdlib/src/dets_v9.erl b/lib/stdlib/src/dets_v9.erl
index 53238e962f..132af01f79 100644
--- a/lib/stdlib/src/dets_v9.erl
+++ b/lib/stdlib/src/dets_v9.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -1908,6 +1908,9 @@ write_cache(Head) ->
end.
%% -> {NewHead, ok} | {NewHead, Error}
+may_grow(Head, 0, once) ->
+ %% Do not re-hash if there is a chance that the file is not dirty.
+ {Head, ok};
may_grow(Head, _N, _How) when Head#head.fixed =/= false ->
{Head, ok};
may_grow(#head{access = read}=Head, _N, _How) ->
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 81b2431f40..e5ccaddbb4 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -33,7 +33,9 @@
%% Epp state record.
-record(epp, {file, %Current file
location, %Current location
+ delta, %Offset from Location (-file)
name="", %Current file name
+ name2="", %-"-, modified by -file
istk=[], %Ifdef stack
sstk=[], %State stack
path=[], %Include-path
@@ -234,8 +236,8 @@ init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) ->
case user_predef(Pdm, Ms0) of
{ok,Ms1} ->
epp_reply(Pid, {ok,self()}),
- St = #epp{file=File, location=AtLocation, name=Name,
- path=Path, macs=Ms1, pre_opened = Pre},
+ St = #epp{file=File, location=AtLocation, delta=0, name=Name,
+ name2=Name, path=Path, macs=Ms1, pre_opened = Pre},
From = wait_request(St),
enter_file_reply(From, Name, AtLocation, AtLocation),
wait_req_scan(St);
@@ -358,8 +360,8 @@ enter_file2(NewF, Pname, From, St, AtLocation, ExtraPath) ->
enter_file_reply(From, Pname, Loc, AtLocation),
Ms = dict:store({atom,'FILE'}, {none,[{string,Loc,Pname}]}, St#epp.macs),
Path = St#epp.path ++ ExtraPath,
- #epp{location=Loc,file=NewF,
- name=Pname,sstk=[St|St#epp.sstk],path=Path,macs=Ms}.
+ #epp{file=NewF,location=Loc,name=Pname,delta=0,
+ sstk=[St|St#epp.sstk],path=Path,macs=Ms}.
enter_file_reply(From, Name, Location, AtLocation) ->
Attr = loc_attr(AtLocation),
@@ -391,14 +393,23 @@ leave_file(From, St) ->
case St#epp.sstk of
[OldSt|Sts] ->
close_file(St),
- enter_file_reply(From, OldSt#epp.name,
- OldSt#epp.location, OldSt#epp.location),
+ #epp{location=OldLoc, delta=Delta, name=OldName,
+ name2=OldName2} = OldSt,
+ CurrLoc = add_line(OldLoc, Delta),
Ms = dict:store({atom,'FILE'},
- {none,
- [{string,OldSt#epp.location,
- OldSt#epp.name}]},
+ {none,[{string,CurrLoc,OldName2}]},
St#epp.macs),
- wait_req_scan(OldSt#epp{sstk=Sts,macs=Ms});
+ NextSt = OldSt#epp{sstk=Sts,macs=Ms},
+ enter_file_reply(From, OldName, CurrLoc, CurrLoc),
+ case OldName2 =:= OldName of
+ true ->
+ From;
+ false ->
+ NFrom = wait_request(NextSt),
+ enter_file_reply(NFrom, OldName2, OldLoc,
+ neg_line(CurrLoc))
+ end,
+ wait_req_scan(NextSt);
[] ->
epp_reply(From, {eof,St#epp.location}),
wait_req_scan(St)
@@ -768,7 +779,8 @@ scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp},
Ms = dict:store({atom,'FILE'}, {none,[{string,1,Name}]}, St#epp.macs),
Locf = loc(Tf),
NewLoc = new_location(Ln, St#epp.location, Locf),
- wait_req_scan(St#epp{name=Name,location=NewLoc,macs=Ms});
+ Delta = abs(get_line(element(2, Tf)))-Ln + St#epp.delta,
+ wait_req_scan(St#epp{name2=Name,location=NewLoc,delta=Delta,macs=Ms});
scan_file(_Toks, Tf, From, St) ->
epp_reply(From, {error,{loc(Tf),epp,{bad,file}}}),
wait_req_scan(St).
@@ -1132,6 +1144,9 @@ neg_line(L) ->
abs_line(L) ->
erl_scan:set_attribute(line, L, fun(Line) -> abs(Line) end).
+add_line(L, Offset) ->
+ erl_scan:set_attribute(line, L, fun(Line) -> Line+Offset end).
+
start_loc(Line) when is_integer(Line) ->
1;
start_loc({_Line, _Column}) ->
@@ -1191,10 +1206,10 @@ interpret_file_attr([{attribute,Loc,file,{File,Line}}=Form | Forms],
%% -include or -include_lib
% true = L =:= Line,
case Fs of
- [_, Delta1, File | Fs1] -> % end of included file
- [Form | interpret_file_attr(Forms, Delta1, [File | Fs1])];
+ [_, File | Fs1] -> % end of included file
+ [Form | interpret_file_attr(Forms, 0, [File | Fs1])];
_ -> % start of included file
- [Form | interpret_file_attr(Forms, 0, [File, Delta | Fs])]
+ [Form | interpret_file_attr(Forms, 0, [File | Fs])]
end
end;
interpret_file_attr([Form0 | Forms], Delta, Fs) ->
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 077621ac91..0c2d3db8ec 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -311,6 +311,8 @@ format_error({ill_defined_behaviour_callbacks,Behaviour}) ->
%% --- types and specs ---
format_error({singleton_typevar, Name}) ->
io_lib:format("type variable ~w is only used once (is unbound)", [Name]);
+format_error({bad_export_type, _ETs}) ->
+ io_lib:format("bad export_type declaration", []);
format_error({duplicated_export_type, {T, A}}) ->
io_lib:format("type ~w/~w already exported", [T, A]);
format_error({undefined_type, {TypeName, Arity}}) ->
@@ -1128,8 +1130,7 @@ export(Line, Es, #lint{exports = Es0, called = Called} = St0) ->
export_type(Line, ETs, #lint{usage = Usage, exp_types = ETs0} = St0) ->
UTs0 = Usage#usage.used_types,
- {ETs1,UTs1,St1} =
- foldl(fun (TA, {E,U,St2}) ->
+ try foldl(fun ({T,A}=TA, {E,U,St2}) when is_atom(T), is_integer(A) ->
St = case gb_sets:is_element(TA, E) of
true ->
Warn = {duplicated_export_type,TA},
@@ -1139,8 +1140,13 @@ export_type(Line, ETs, #lint{usage = Usage, exp_types = ETs0} = St0) ->
end,
{gb_sets:add_element(TA, E), dict:store(TA, Line, U), St}
end,
- {ETs0,UTs0,St0}, ETs),
- St1#lint{usage = Usage#usage{used_types = UTs1}, exp_types = ETs1}.
+ {ETs0,UTs0,St0}, ETs) of
+ {ETs1,UTs1,St1} ->
+ St1#lint{usage = Usage#usage{used_types = UTs1}, exp_types = ETs1}
+ catch
+ error:_ ->
+ add_error(Line, {bad_export_type, ETs}, St0)
+ end.
-type import() :: {module(), [fa()]} | module().
-spec import(line(), import(), lint_state()) -> lint_state().
diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl
index 431e5b114e..c669c1f7c1 100644
--- a/lib/stdlib/src/lists.erl
+++ b/lib/stdlib/src/lists.erl
@@ -358,7 +358,7 @@ merge(L) ->
%% merge3(X, Y, Z) -> L
%% merges three sorted lists X, Y and Z
--spec merge3([_], [_], [_]) -> [_].
+-spec merge3([X], [Y], [Z]) -> [(X | Y | Z)].
merge3(L1, [], L3) ->
merge(L1, L3);
@@ -370,7 +370,7 @@ merge3(L1, [H2 | T2], [H3 | T3]) ->
%% rmerge3(X, Y, Z) -> L
%% merges three reversed sorted lists X, Y and Z
--spec rmerge3([_], [_], [_]) -> [_].
+-spec rmerge3([X], [Y], [Z]) -> [(X | Y | Z)].
rmerge3(L1, [], L3) ->
rmerge(L1, L3);
@@ -382,7 +382,7 @@ rmerge3(L1, [H2 | T2], [H3 | T3]) ->
%% merge(X, Y) -> L
%% merges two sorted lists X and Y
--spec merge([_], [_]) -> [_].
+-spec merge([X], [Y]) -> [(X | Y)].
merge(T1, []) ->
T1;
@@ -394,7 +394,7 @@ merge(T1, [H2 | T2]) ->
%% reverse(rmerge(reverse(A),reverse(B))) is equal to merge(I,A,B).
--spec rmerge([_], [_]) -> [_].
+-spec rmerge([X], [Y]) -> [(X | Y)].
rmerge(T1, []) ->
T1;
@@ -420,12 +420,12 @@ thing_to_list(X) when is_list(X) -> X. %Assumed to be a string
%% flatten(List, Tail)
%% Flatten a list, adding optional tail.
--spec flatten([_]) -> [_].
+-spec flatten([term()]) -> [term()].
flatten(List) when is_list(List) ->
do_flatten(List, []).
--spec flatten([_], [_]) -> [_].
+-spec flatten([term()], [term()]) -> [term()].
flatten(List, Tail) when is_list(List), is_list(Tail) ->
do_flatten(List, Tail).
@@ -440,7 +440,7 @@ do_flatten([], Tail) ->
%% flatlength(List)
%% Calculate the length of a list of lists.
--spec flatlength([_]) -> non_neg_integer().
+-spec flatlength([term()]) -> non_neg_integer().
flatlength(List) ->
flatlength(List, 0).
@@ -481,7 +481,7 @@ flatlength([], L) -> L.
% keysearch3(Key, N, T);
%keysearch3(Key, N, []) -> false.
--spec keydelete(_, pos_integer(), [T]) -> [T].
+-spec keydelete(term(), pos_integer(), [T]) -> [T] when T :: tuple().
keydelete(K, N, L) when is_integer(N), N > 0 ->
keydelete3(K, N, L).
@@ -491,7 +491,7 @@ keydelete3(Key, N, [H|T]) ->
[H|keydelete3(Key, N, T)];
keydelete3(_, _, []) -> [].
--spec keyreplace(_, pos_integer(), [_], tuple()) -> [_].
+-spec keyreplace(term(), pos_integer(), [tuple()], tuple()) -> [tuple()].
keyreplace(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) ->
keyreplace3(K, N, L, New).
@@ -502,7 +502,8 @@ keyreplace3(Key, Pos, [H|T], New) ->
[H|keyreplace3(Key, Pos, T, New)];
keyreplace3(_, _, [], _) -> [].
--spec keytake(_, pos_integer(), [_]) -> {'value', tuple(), [_]} | 'false'.
+-spec keytake(term(), pos_integer(), [tuple()]) ->
+ {'value', tuple(), [tuple()]} | 'false'.
keytake(Key, N, L) when is_integer(N), N > 0 ->
keytake(Key, N, L, []).
@@ -513,7 +514,8 @@ keytake(Key, N, [H|T], L) ->
keytake(Key, N, T, [H|L]);
keytake(_K, _N, [], _L) -> false.
--spec keystore(_, pos_integer(), [_], tuple()) -> [_].
+-spec keystore(term(), pos_integer(), [tuple()], tuple()) -> [tuple(),...].
+
keystore(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) ->
keystore2(K, N, L, New).
@@ -524,7 +526,7 @@ keystore2(Key, N, [H|T], New) ->
keystore2(_Key, _N, [], New) ->
[New].
--spec keysort(pos_integer(), [T]) -> [T] when is_subtype(T, tuple()).
+-spec keysort(pos_integer(), [T]) -> [T] when T :: tuple().
keysort(I, L) when is_integer(I), I > 0 ->
case L of
@@ -582,7 +584,7 @@ keysort_1(_I, X, _EX, [], R) ->
lists:reverse(R, [X]).
-spec keymerge(pos_integer(), [X], [Y]) ->
- [R] when is_subtype(X, tuple()), is_subtype(Y, tuple()), is_subtype(R, tuple()).
+ [R] when X :: tuple(), Y :: tuple(), R :: tuple().
keymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
case L2 of
@@ -597,7 +599,7 @@ keymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
%% reverse(rkeymerge(I,reverse(A),reverse(B))) is equal to keymerge(I,A,B).
-spec rkeymerge(pos_integer(), [X], [Y]) ->
- [R] when is_subtype(X, tuple()), is_subtype(Y, tuple()), is_subtype(R, tuple()).
+ [R] when X :: tuple(), Y :: tuple(), R :: tuple().
rkeymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
case L2 of
@@ -609,7 +611,7 @@ rkeymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
lists:reverse(M, [])
end.
--spec ukeysort(pos_integer(), [T]) -> [T] when is_subtype(T, tuple()).
+-spec ukeysort(pos_integer(), [T]) -> [T] when T :: tuple().
ukeysort(I, L) when is_integer(I), I > 0 ->
case L of
@@ -675,7 +677,7 @@ ukeysort_1(_I, X, _EX, []) ->
[X].
-spec ukeymerge(pos_integer(), [X], [Y]) ->
- [(X | Y)] when is_subtype(X, tuple()), is_subtype(Y, tuple()).
+ [(X | Y)] when X :: tuple(), Y :: tuple().
ukeymerge(Index, L1, T2) when is_integer(Index), Index > 0 ->
case L1 of
@@ -690,7 +692,7 @@ ukeymerge(Index, L1, T2) when is_integer(Index), Index > 0 ->
%% reverse(rukeymerge(I,reverse(A),reverse(B))) is equal to ukeymerge(I,A,B).
-spec rukeymerge(pos_integer(), [X], [Y]) ->
- [(X | Y)] when is_subtype(X, tuple()), is_subtype(Y, tuple()).
+ [(X | Y)] when X :: tuple(), Y :: tuple().
rukeymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
case L2 of
@@ -702,7 +704,7 @@ rukeymerge(Index, T1, L2) when is_integer(Index), Index > 0 ->
lists:reverse(M, [])
end.
--spec keymap(fun((_) -> _), pos_integer(), [tuple()]) -> [tuple()].
+-spec keymap(fun((term()) -> term()), pos_integer(), [tuple()]) -> [tuple()].
keymap(Fun, Index, [Tup|Tail]) ->
[setelement(Index, Tup, Fun(element(Index, Tup)))|keymap(Fun, Index, Tail)];
@@ -725,7 +727,7 @@ sort(Fun, [X, Y | T]) ->
fsplit_2(Y, X, Fun, T, [], [])
end.
--spec merge(fun((X, Y) -> boolean()), [X], [Y]) -> [_].
+-spec merge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)].
merge(Fun, T1, [H2 | T2]) when is_function(Fun, 2) ->
lists:reverse(fmerge2_1(T1, H2, Fun, T2, []), []);
@@ -734,7 +736,7 @@ merge(Fun, T1, []) when is_function(Fun, 2) ->
%% reverse(rmerge(F,reverse(A),reverse(B))) is equal to merge(F,A,B).
--spec rmerge(fun((X, Y) -> boolean()), [X], [Y]) -> [_].
+-spec rmerge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)].
rmerge(Fun, T1, [H2 | T2]) when is_function(Fun, 2) ->
lists:reverse(rfmerge2_1(T1, H2, Fun, T2, []), []);
@@ -768,7 +770,7 @@ usort_1(Fun, X, [Y | L]) ->
ufsplit_2(Y, L, Fun, [X])
end.
--spec umerge(fun((X, Y) -> boolean()), [X], [Y]) -> [_].
+-spec umerge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)].
umerge(Fun, [], T2) when is_function(Fun, 2) ->
T2;
@@ -777,7 +779,7 @@ umerge(Fun, [H1 | T1], T2) when is_function(Fun, 2) ->
%% reverse(rumerge(F,reverse(A),reverse(B))) is equal to umerge(F,A,B).
--spec rumerge(fun((X, Y) -> boolean()), [X], [Y]) -> [_].
+-spec rumerge(fun((X, Y) -> boolean()), [X], [Y]) -> [(X | Y)].
rumerge(Fun, T1, []) when is_function(Fun, 2) ->
T1;
@@ -851,7 +853,7 @@ umerge(L) ->
%% merges three sorted lists X, Y and Z without duplicates,
%% removes duplicates
--spec umerge3([_], [_], [_]) -> [_].
+-spec umerge3([X], [Y], [Z]) -> [(X | Y | Z)].
umerge3(L1, [], L3) ->
umerge(L1, L3);
@@ -864,7 +866,7 @@ umerge3(L1, [H2 | T2], [H3 | T3]) ->
%% merges three reversed sorted lists X, Y and Z without duplicates,
%% removes duplicates
--spec rumerge3([_], [_], [_]) -> [_].
+-spec rumerge3([X], [Y], [Z]) -> [(X | Y | Z)].
rumerge3(L1, [], L3) ->
rumerge(L1, L3);
@@ -876,7 +878,7 @@ rumerge3(L1, [H2 | T2], [H3 | T3]) ->
%% umerge(X, Y) -> L
%% merges two sorted lists X and Y without duplicates, removes duplicates
--spec umerge([_], [_]) -> [_].
+-spec umerge([X], [Y]) -> [(X | Y)].
umerge([], T2) ->
T2;
@@ -889,7 +891,7 @@ umerge([H1 | T1], T2) ->
%% reverse(rumerge(reverse(A),reverse(B))) is equal to umerge(I,A,B).
--spec rumerge([_], [_]) -> [_].
+-spec rumerge([X], [Y]) -> [(X | Y)].
rumerge(T1, []) ->
T1;
@@ -952,13 +954,13 @@ flatmap(F, [Hd|Tail]) ->
F(Hd) ++ flatmap(F, Tail);
flatmap(F, []) when is_function(F, 1) -> [].
--spec foldl(fun((T, _) -> _), _, [T]) -> _.
+-spec foldl(fun((T, term()) -> term()), term(), [T]) -> term().
foldl(F, Accu, [Hd|Tail]) ->
foldl(F, F(Hd, Accu), Tail);
foldl(F, Accu, []) when is_function(F, 2) -> Accu.
--spec foldr(fun((T, _) -> _), _, [T]) -> _.
+-spec foldr(fun((T, term()) -> term()), term(), [T]) -> term().
foldr(F, Accu, [Hd|Tail]) ->
F(Hd, foldr(F, Accu, Tail));
@@ -998,14 +1000,14 @@ zf(F, [Hd|Tail]) ->
end;
zf(F, []) when is_function(F, 1) -> [].
--spec foreach(F :: fun((T) -> _), List :: [T]) -> 'ok'.
+-spec foreach(F :: fun((T) -> term()), List :: [T]) -> 'ok'.
foreach(F, [Hd|Tail]) ->
F(Hd),
foreach(F, Tail);
foreach(F, []) when is_function(F, 1) -> ok.
--spec mapfoldl(fun((T, _) -> {_, _}), _, [T]) -> {[_], _}.
+-spec mapfoldl(fun((A, term()) -> {B, term()}), term(), [A]) -> {[B], term()}.
mapfoldl(F, Accu0, [Hd|Tail]) ->
{R,Accu1} = F(Hd, Accu0),
@@ -1013,7 +1015,7 @@ mapfoldl(F, Accu0, [Hd|Tail]) ->
{[R|Rs],Accu2};
mapfoldl(F, Accu, []) when is_function(F, 2) -> {[],Accu}.
--spec mapfoldr(fun((T, _) -> {_, _}), _, [T]) -> {[_], _}.
+-spec mapfoldr(fun((A, term()) -> {B, term()}), term(), [A]) -> {[B], term()}.
mapfoldr(F, Accu0, [Hd|Tail]) ->
{Rs,Accu1} = mapfoldr(F, Accu0, Tail),
diff --git a/lib/stdlib/src/ordsets.erl b/lib/stdlib/src/ordsets.erl
index e992b66714..4c72e351d0 100644
--- a/lib/stdlib/src/ordsets.erl
+++ b/lib/stdlib/src/ordsets.erl
@@ -26,12 +26,14 @@
-export([subtract/2,is_subset/2]).
-export([fold/3,filter/2]).
+-export_type([ordset/1]).
+
-type ordset(T) :: [T].
%% new() -> Set.
%% Return a new empty ordered set.
--spec new() -> ordset(term()).
+-spec new() -> [].
new() -> [].
@@ -84,7 +86,7 @@ is_element(_, []) -> false.
%% add_element(Element, OrdSet) -> OrdSet.
%% Return OrdSet with Element inserted in it.
--spec add_element(term(), ordset(_)) -> ordset(_).
+-spec add_element(E, ordset(T)) -> [T | E,...].
add_element(E, [H|Es]) when E > H -> [H|add_element(E, Es)];
add_element(E, [H|_]=Set) when E < H -> [E|Set];
@@ -94,7 +96,7 @@ add_element(E, []) -> [E].
%% del_element(Element, OrdSet) -> OrdSet.
%% Return OrdSet but with Element removed.
--spec del_element(term(), ordset(_)) -> ordset(_).
+-spec del_element(term(), ordset(T)) -> ordset(T).
del_element(E, [H|Es]) when E > H -> [H|del_element(E, Es)];
del_element(E, [H|_]=Set) when E < H -> Set;
@@ -104,7 +106,7 @@ del_element(_, []) -> [].
%% union(OrdSet1, OrdSet2) -> OrdSet
%% Return the union of OrdSet1 and OrdSet2.
--spec union(ordset(_), ordset(_)) -> ordset(_).
+-spec union(ordset(T1), ordset(T2)) -> ordset(T1 | T2).
union([E1|Es1], [E2|_]=Set2) when E1 < E2 ->
[E1|union(Es1, Set2)];
@@ -118,7 +120,7 @@ union(Es1, []) -> Es1.
%% union([OrdSet]) -> OrdSet
%% Return the union of the list of ordered sets.
--spec union([ordset(_)]) -> ordset(_).
+-spec union([ordset(T)]) -> ordset(T).
union([S1,S2|Ss]) ->
union1(union(S1, S2), Ss);
@@ -206,7 +208,7 @@ is_subset(_, []) -> false.
%% fold(Fun, Accumulator, OrdSet) -> Accumulator.
%% Fold function Fun over all elements in OrdSet and return Accumulator.
--spec fold(fun((_, _) -> _), _, ordset(_)) -> _.
+-spec fold(fun((T, term()) -> term()), term(), ordset(T)) -> term().
fold(F, Acc, Set) ->
lists:foldl(F, Acc, Set).
@@ -214,7 +216,7 @@ fold(F, Acc, Set) ->
%% filter(Fun, OrdSet) -> OrdSet.
%% Filter OrdSet with Fun.
--spec filter(fun((_) -> boolean()), ordset(_)) -> ordset(_).
+-spec filter(fun((T) -> boolean()), ordset(T)) -> ordset(T).
filter(F, Set) ->
lists:filter(F, Set).
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index 6636a03f06..c987c224db 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -201,7 +201,7 @@ chars(C, 0, Tail) when is_integer(C) ->
-spec copies(string(), non_neg_integer()) -> string().
-copies(CharList, Num) when is_list(CharList), Num >= 0 ->
+copies(CharList, Num) when is_list(CharList), is_integer(Num), Num >= 0 ->
copies(CharList, Num, []).
copies(_CharList, 0, R) ->
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index f5d5441184..5bdd1a8672 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -33,7 +33,9 @@
-export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3]).
-export([handle_cast/2]).
--export_type([child_spec/0, strategy/0]).
+%%--------------------------------------------------------------------------
+
+-export_type([child_spec/0, del_err/0, startchild_ret/0, strategy/0]).
%%--------------------------------------------------------------------------
@@ -77,6 +79,10 @@
-define(is_simple(State), State#state.strategy =:= simple_one_for_one).
+%%--------------------------------------------------------------------------
+
+-spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}].
+
behaviour_info(callbacks) ->
[{init,1}];
behaviour_info(_Other) ->
@@ -160,11 +166,13 @@ check_childspecs(X) -> {error, {badarg, X}}.
%%%
%%% ---------------------------------------------------
+-type init_sup_name() :: sup_name() | 'self'.
+
-type stop_rsn() :: 'shutdown' | {'bad_return', {module(),'init', term()}}
| {'bad_start_spec', term()} | {'start_spec', term()}
| {'supervisor_data', term()}.
--spec init({sup_name(), module(), [term()]}) ->
+-spec init({init_sup_name(), module(), [term()]}) ->
{'ok', state()} | 'ignore' | {'stop', stop_rsn()}.
init({SupName, Mod, Args}) ->
@@ -184,7 +192,7 @@ init({SupName, Mod, Args}) ->
Error ->
{stop, {bad_return, {Mod, init, Error}}}
end.
-
+
init_children(State, StartSpec) ->
SupName = State#state.name,
case check_startspec(StartSpec) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 08:54:07 +0000