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-rw-r--r--lib/stdlib/src/beam_lib.erl14
-rw-r--r--lib/stdlib/src/binary.erl77
-rw-r--r--lib/stdlib/src/dets.erl16
-rw-r--r--lib/stdlib/src/epp.erl486
-rw-r--r--lib/stdlib/src/erl_anno.erl96
-rw-r--r--lib/stdlib/src/erl_expand_records.erl36
-rw-r--r--lib/stdlib/src/erl_lint.erl84
-rw-r--r--lib/stdlib/src/erl_parse.yrl502
-rw-r--r--lib/stdlib/src/erl_scan.erl267
-rw-r--r--lib/stdlib/src/escript.erl8
-rw-r--r--lib/stdlib/src/file_sorter.erl22
-rw-r--r--lib/stdlib/src/filename.erl160
-rw-r--r--lib/stdlib/src/io.erl45
-rw-r--r--lib/stdlib/src/ms_transform.erl13
-rw-r--r--lib/stdlib/src/otp_internal.erl57
-rw-r--r--lib/stdlib/src/qlc.erl14
-rw-r--r--lib/stdlib/src/qlc_pt.erl40
-rw-r--r--lib/stdlib/src/random.erl1
-rw-r--r--lib/stdlib/src/shell.erl8
-rw-r--r--lib/stdlib/src/slave.erl23
-rw-r--r--lib/stdlib/src/stdlib.appup.src8
-rw-r--r--lib/stdlib/src/supervisor.erl74
22 files changed, 1130 insertions, 921 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index 503a2b416f..7a17226e46 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2016. 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.
@@ -872,7 +872,7 @@ mandatory_chunks() ->
%%% can use it.
%%% ====================================================================
--record(state, {crypto_key_f :: crypto_fun()}).
+-record(state, {crypto_key_f :: crypto_fun() | 'undefined'}).
-define(CRYPTO_KEY_SERVER, beam_lib__crypto_key_server).
@@ -904,7 +904,11 @@ anno_from_term({Tag, Forms}) when Tag =:= abstract_v1; Tag =:= abstract_v2 ->
anno_from_term(T) ->
T.
-anno_from_forms(Forms) ->
+anno_from_forms(Forms0) ->
+ %% Forms with record field types created before OTP 19.0 are
+ %% replaced by well-formed record forms holding the type
+ %% information.
+ Forms = epp:restore_typed_record_fields(Forms0),
[erl_parse:anno_from_term(Form) || Form <- Forms].
start_crypto() ->
@@ -975,9 +979,7 @@ handle_call({get_crypto_key, What}, From, #state{crypto_key_f=F}=S) ->
handle_call({crypto_key_fun, F}, {_,_} = From, S) ->
case S#state.crypto_key_f of
undefined ->
- %% Don't allow tuple funs here. (They weren't allowed before,
- %% so there is no reason to allow them now.)
- if is_function(F), is_function(F, 1) ->
+ if is_function(F, 1) ->
{Result, Fun, Reply} =
case catch F(init) of
ok ->
diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl
index af00410572..fb0c395d70 100644
--- a/lib/stdlib/src/binary.erl
+++ b/lib/stdlib/src/binary.erl
@@ -20,7 +20,7 @@
-module(binary).
%%
%% Implemented in this module:
--export([split/2,split/3,replace/3,replace/4]).
+-export([replace/3,replace/4]).
-export_type([cp/0]).
@@ -34,7 +34,8 @@
decode_unsigned/2, encode_unsigned/1, encode_unsigned/2,
first/1, last/1, list_to_bin/1, longest_common_prefix/1,
longest_common_suffix/1, match/2, match/3, matches/2,
- matches/3, part/2, part/3, referenced_byte_size/1]).
+ matches/3, part/2, part/3, referenced_byte_size/1,
+ split/2, split/3]).
-spec at(Subject, Pos) -> byte() when
Subject :: binary(),
@@ -198,19 +199,13 @@ part(_, _, _) ->
referenced_byte_size(_) ->
erlang:nif_error(undef).
-%%% End of BIFs.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% split
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-spec split(Subject, Pattern) -> Parts when
Subject :: binary(),
Pattern :: binary() | [binary()] | cp(),
Parts :: [binary()].
-split(H,N) ->
- split(H,N,[]).
+split(_, _) ->
+ erlang:nif_error(undef).
-spec split(Subject, Pattern, Options) -> Parts when
Subject :: binary(),
@@ -219,53 +214,10 @@ split(H,N) ->
Option :: {scope, part()} | trim | global | trim_all,
Parts :: [binary()].
-split(Haystack,Needles,Options) ->
- try
- {Part,Global,Trim,TrimAll} =
- get_opts_split(Options,{no,false,false,false}),
- Moptlist = case Part of
- no ->
- [];
- {A,B} ->
- [{scope,{A,B}}]
- end,
- MList = if
- Global ->
- binary:matches(Haystack,Needles,Moptlist);
- true ->
- case binary:match(Haystack,Needles,Moptlist) of
- nomatch -> [];
- Match -> [Match]
- end
- end,
- do_split(Haystack,MList,0,Trim,TrimAll)
- catch
- _:_ ->
- erlang:error(badarg)
- end.
-
-do_split(H,[],N,true,_) when N >= byte_size(H) ->
- [];
-do_split(H,[],N,_,true) when N >= byte_size(H) ->
- [];
-do_split(H,[],N,_,_) ->
- [binary:part(H,{N,byte_size(H)-N})];
-do_split(H,[{A,B}|T],N,Trim,TrimAll) ->
- case binary:part(H,{N,A-N}) of
- <<>> when TrimAll == true ->
- do_split(H,T,A+B,Trim,TrimAll);
- <<>> ->
- Rest = do_split(H,T,A+B,Trim,TrimAll),
- case {Trim, Rest} of
- {true,[]} ->
- [];
- _ ->
- [<<>> | Rest]
- end;
- Oth ->
- [Oth | do_split(H,T,A+B,Trim,TrimAll)]
- end.
+split(_, _, _) ->
+ erlang:nif_error(undef).
+%%% End of BIFs.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% replace
@@ -352,19 +304,6 @@ splitat(H,N,[I|T]) ->
%% Simple helper functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-get_opts_split([],{Part,Global,Trim,TrimAll}) ->
- {Part,Global,Trim,TrimAll};
-get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim,TrimAll}) ->
- get_opts_split(T,{{A,B},Global,Trim,TrimAll});
-get_opts_split([global | T],{Part,_Global,Trim,TrimAll}) ->
- get_opts_split(T,{Part,true,Trim,TrimAll});
-get_opts_split([trim | T],{Part,Global,_Trim,TrimAll}) ->
- get_opts_split(T,{Part,Global,true,TrimAll});
-get_opts_split([trim_all | T],{Part,Global,Trim,_TrimAll}) ->
- get_opts_split(T,{Part,Global,Trim,true});
-get_opts_split(_,_) ->
- throw(badopt).
-
get_opts_replace([],{Part,Global,Insert}) ->
{Part,Global,Insert};
get_opts_replace([{scope,{A,B}} | T],{_Part,Global,Insert}) ->
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index 2d037ff795..bf22949870 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. 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.
@@ -1124,7 +1124,9 @@ repl({delayed_write, {Delay,Size} = C}, Defs)
Defs#open_args{delayed_write = C};
repl({estimated_no_objects, I}, Defs) ->
repl({min_no_slots, I}, Defs);
-repl({file, File}, Defs) ->
+repl({file, File}, Defs) when is_list(File) ->
+ Defs#open_args{file = File};
+repl({file, File}, Defs) when is_atom(File) ->
Defs#open_args{file = to_list(File)};
repl({keypos, P}, Defs) when is_integer(P), P > 0 ->
Defs#open_args{keypos =P};
@@ -1289,7 +1291,15 @@ init(Parent, Server) ->
open_file_loop(#head{parent = Parent, server = Server}).
open_file_loop(Head) ->
- open_file_loop(Head, 0).
+ %% The Dets server pretends the file is open before
+ %% internal_open() has been called, which means that unless the
+ %% internal_open message is applied first, other processes can
+ %% find the pid by calling dets_server:get_pid() and do things
+ %% before Head has been initialized properly.
+ receive
+ ?DETS_CALL(From, {internal_open, _Ref, _Args}=Op) ->
+ do_apply_op(Op, From, Head, 0)
+ end.
open_file_loop(Head, N) when element(1, Head#head.update_mode) =:= error ->
open_file_loop2(Head, N);
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index d3124ac593..936c095aef 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -40,16 +40,21 @@
-type ifdef() :: 'ifdef' | 'ifndef' | 'else'.
--type name() :: {'atom', atom()}.
+-type name() :: atom().
-type argspec() :: 'none' %No arguments
| non_neg_integer(). %Number of arguments
-type tokens() :: [erl_scan:token()].
-type used() :: {name(), argspec()}.
+-type function_name_type() :: 'undefined'
+ | {atom(),non_neg_integer()}
+ | tokens().
+
-define(DEFAULT_ENCODING, utf8).
%% Epp state record.
--record(epp, {file :: file:io_device(), %Current file
+-record(epp, {file :: file:io_device()
+ | 'undefined', %Current file
location=1, %Current location
delta=0 :: non_neg_integer(), %Offset from Location (-file)
name="" :: file:name(), %Current file name
@@ -57,21 +62,15 @@
istk=[] :: [ifdef()], %Ifdef stack
sstk=[] :: [#epp{}], %State stack
path=[] :: [file:name()], %Include-path
- macs = dict:new() %Macros (don't care locations)
- :: dict:dict(name(), {argspec(), tokens()}),
- uses = dict:new() %Macro use structure
- :: dict:dict(name(), [{argspec(), [used()]}]),
+ macs = #{} %Macros (don't care locations)
+ :: #{name() => {argspec(), tokens()}},
+ uses = #{} %Macro use structure
+ :: #{name() => [{argspec(), [used()]}]},
default_encoding = ?DEFAULT_ENCODING :: source_encoding(),
- pre_opened = false :: boolean()
+ pre_opened = false :: boolean(),
+ fname = [] :: function_name_type()
}).
-%%% Note on representation: as tokens, both {var, Location, Name} and
-%%% {atom, Location, Name} can occur as macro identifiers. However, keeping
-%%% this distinction here is done for historical reasons only: previously,
-%%% ?FOO and ?'FOO' were not the same, but now they are. Removing the
-%%% distinction in the internal representation would simplify the code
-%%% a little.
-
%% open(Options)
%% open(FileName, IncludePath)
%% open(FileName, IncludePath, PreDefMacros)
@@ -211,6 +210,10 @@ format_error({include,W,F}) ->
io_lib:format("can't find include ~s \"~s\"", [W,F]);
format_error({illegal,How,What}) ->
io_lib:format("~s '-~s'", [How,What]);
+format_error({illegal_function,Macro}) ->
+ io_lib:format("?~s can only be used within a function", [Macro]);
+format_error({illegal_function_usage,Macro}) ->
+ io_lib:format("?~s must not begin a form", [Macro]);
format_error({'NYI',What}) ->
io_lib:format("not yet implemented '~s'", [What]);
format_error(E) -> file:format_error(E).
@@ -264,20 +267,7 @@ parse_file(Ifile, Options) ->
parse_file(Epp) ->
case parse_erl_form(Epp) of
{ok,Form} ->
- case Form of
- {attribute,La,record,{Record, Fields}} ->
- case normalize_typed_record_fields(Fields) of
- {typed, NewFields} ->
- [{attribute, La, record, {Record, NewFields}},
- {attribute, La, type,
- {{record, Record}, Fields, []}}
- |parse_file(Epp)];
- not_typed ->
- [Form|parse_file(Epp)]
- end;
- _ ->
- [Form|parse_file(Epp)]
- end;
+ [Form|parse_file(Epp)];
{error,E} ->
[{error,E}|parse_file(Epp)];
{eof,Location} ->
@@ -549,7 +539,8 @@ init_server(Pid, Name, Options, St0) ->
default_encoding=DefEncoding},
From = wait_request(St),
Anno = erl_anno:new(AtLocation),
- enter_file_reply(From, Name, Anno, AtLocation, code),
+ enter_file_reply(From, file_name(Name), Anno,
+ AtLocation, code),
wait_req_scan(St);
{error,E} ->
epp_reply(Pid, {error,E})
@@ -560,18 +551,20 @@ init_server(Pid, Name, Options, St0) ->
%% FILE, LINE, MODULE as undefined, MACHINE and MACHINE value.
predef_macros(File) ->
- Machine = list_to_atom(erlang:system_info(machine)),
- Anno = line1(),
- dict:from_list([
- {{atom,'FILE'}, {none,[{string,Anno,File}]}},
- {{atom,'LINE'}, {none,[{integer,Anno,1}]}},
- {{atom,'MODULE'}, undefined},
- {{atom,'MODULE_STRING'}, undefined},
- {{atom,'BASE_MODULE'}, undefined},
- {{atom,'BASE_MODULE_STRING'}, undefined},
- {{atom,'MACHINE'}, {none,[{atom,Anno,Machine}]}},
- {{atom,Machine}, {none,[{atom,Anno,true}]}}
- ]).
+ Machine = list_to_atom(erlang:system_info(machine)),
+ Anno = line1(),
+ Defs = [{'FILE', {none,[{string,Anno,File}]}},
+ {'FUNCTION_NAME', undefined},
+ {'FUNCTION_ARITY', undefined},
+ {'LINE', {none,[{integer,Anno,1}]}},
+ {'MODULE', undefined},
+ {'MODULE_STRING', undefined},
+ {'BASE_MODULE', undefined},
+ {'BASE_MODULE_STRING', undefined},
+ {'MACHINE', {none,[{atom,Anno,Machine}]}},
+ {Machine, {none,[{atom,Anno,true}]}}
+ ],
+ maps:from_list(Defs).
%% user_predef(PreDefMacros, Macros) ->
%% {ok,MacroDict} | {error,E}
@@ -580,28 +573,21 @@ predef_macros(File) ->
user_predef([{M,Val,redefine}|Pdm], Ms) when is_atom(M) ->
Exp = erl_parse:tokens(erl_parse:abstract(Val)),
- user_predef(Pdm, dict:store({atom,M}, {none,Exp}, Ms));
+ user_predef(Pdm, Ms#{M=>{none,Exp}});
user_predef([{M,Val}|Pdm], Ms) when is_atom(M) ->
- case dict:find({atom,M}, Ms) of
- {ok,_Defs} when is_list(_Defs) -> %% User defined macros
+ case Ms of
+ #{M:=Defs} when is_list(Defs) ->
+ %% User defined macros.
{error,{redefine,M}};
- {ok,_Def} -> %% Predefined macros
+ #{M:=_Defs} ->
+ %% Predefined macros.
{error,{redefine_predef,M}};
- error ->
+ _ ->
Exp = erl_parse:tokens(erl_parse:abstract(Val)),
- user_predef(Pdm, dict:store({atom,M}, [{none, {none,Exp}}], Ms))
+ user_predef(Pdm, Ms#{M=>[{none,{none,Exp}}]})
end;
user_predef([M|Pdm], Ms) when is_atom(M) ->
- case dict:find({atom,M}, Ms) of
- {ok,_Defs} when is_list(_Defs) -> %% User defined macros
- {error,{redefine,M}};
- {ok,_Def} -> %% Predefined macros
- {error,{redefine_predef,M}};
- error ->
- A = line1(),
- user_predef(Pdm,
- dict:store({atom,M}, [{none, {none,[{atom,A,true}]}}], Ms))
- end;
+ user_predef([{M,true}|Pdm], Ms);
user_predef([Md|_Pdm], _Ms) -> {error,{bad,Md}};
user_predef([], Ms) -> {ok,Ms}.
@@ -615,7 +601,9 @@ wait_request(St) ->
receive
{epp_request,From,scan_erl_form} -> From;
{epp_request,From,macro_defs} ->
- epp_reply(From, dict:to_list(St#epp.macs)),
+ %% Return the old format to avoid any incompability issues.
+ Defs = [{{atom,K},V} || {K,V} <- maps:to_list(St#epp.macs)],
+ epp_reply(From, Defs),
wait_request(St);
{epp_request,From,close} ->
close_file(St),
@@ -667,7 +655,8 @@ enter_file(NewName, Inc, From, St) ->
enter_file2(NewF, Pname, From, St0, AtLocation) ->
Anno = erl_anno:new(AtLocation),
enter_file_reply(From, Pname, Anno, AtLocation, code),
- Ms = dict:store({atom,'FILE'}, {none,[{string,Anno,Pname}]}, St0#epp.macs),
+ Ms0 = St0#epp.macs,
+ Ms = Ms0#{'FILE':={none,[{string,Anno,Pname}]}},
%% update the head of the include path to be the directory of the new
%% source file, so that an included file can always include other files
%% relative to its current location (this is also how C does it); note
@@ -688,7 +677,7 @@ enter_file_reply(From, Name, LocationAnno, AtLocation, Where) ->
generated -> erl_anno:set_generated(true, Anno0)
end,
Rep = {ok, [{'-',Anno},{atom,Anno,file},{'(',Anno},
- {string,Anno,file_name(Name)},{',',Anno},
+ {string,Anno,Name},{',',Anno},
{integer,Anno,get_line(LocationAnno)},{')',LocationAnno},
{dot,Anno}]},
epp_reply(From, Rep).
@@ -719,9 +708,8 @@ leave_file(From, St) ->
name2=OldName2} = OldSt,
CurrLoc = add_line(OldLoc, Delta),
Anno = erl_anno:new(CurrLoc),
- Ms = dict:store({atom,'FILE'},
- {none,[{string,Anno,OldName2}]},
- St#epp.macs),
+ Ms0 = St#epp.macs,
+ Ms = Ms0#{'FILE':={none,[{string,Anno,OldName2}]}},
NextSt = OldSt#epp{sstk=Sts,macs=Ms,uses=St#epp.uses},
enter_file_reply(From, OldName, Anno, CurrLoc, code),
case OldName2 =:= OldName of
@@ -778,7 +766,7 @@ scan_toks([{'-',_Lh},{atom,_Le,elif}=Elif|Toks], From, St) ->
scan_toks([{'-',_Lh},{atom,_Le,endif}=Endif|Toks], From, St) ->
scan_endif(Toks, Endif, From, St);
scan_toks([{'-',_Lh},{atom,_Lf,file}=FileToken|Toks0], From, St) ->
- case catch expand_macros(Toks0, {St#epp.macs, St#epp.uses}) of
+ case catch expand_macros(Toks0, St) of
Toks1 when is_list(Toks1) ->
scan_file(Toks1, FileToken, From, St);
{error,ErrL,What} ->
@@ -786,7 +774,7 @@ scan_toks([{'-',_Lh},{atom,_Lf,file}=FileToken|Toks0], From, St) ->
wait_req_scan(St)
end;
scan_toks(Toks0, From, St) ->
- case catch expand_macros(Toks0, {St#epp.macs, St#epp.uses}) of
+ case catch expand_macros(Toks0, St#epp{fname=Toks0}) of
Toks1 when is_list(Toks1) ->
epp_reply(From, {ok,Toks1}),
wait_req_scan(St#epp{macs=scan_module(Toks1, St#epp.macs)});
@@ -796,91 +784,48 @@ scan_toks(Toks0, From, St) ->
end.
scan_module([{'-',_Lh},{atom,_Lm,module},{'(',_Ll}|Ts], Ms) ->
- scan_module_1(Ts, [], Ms);
+ scan_module_1(Ts, Ms);
scan_module([{'-',_Lh},{atom,_Lm,extends},{'(',_Ll}|Ts], Ms) ->
- scan_extends(Ts, [], Ms);
+ scan_extends(Ts, Ms);
scan_module(_Ts, Ms) -> Ms.
-scan_module_1([{atom,_,_}=A,{',',L}|Ts], As, Ms) ->
+scan_module_1([{atom,_,_}=A,{',',L}|Ts], Ms) ->
%% Parameterized modules.
- scan_module_1([A,{')',L}|Ts], As, Ms);
-scan_module_1([{atom,Ln,A},{')',_Lr}|_Ts], As, Ms0) ->
- Mod = lists:concat(lists:reverse([A|As])),
- Ms = dict:store({atom,'MODULE'},
- {none,[{atom,Ln,list_to_atom(Mod)}]}, Ms0),
- dict:store({atom,'MODULE_STRING'}, {none,[{string,Ln,Mod}]}, Ms);
-scan_module_1([{atom,_Ln,A},{'.',_Lr}|Ts], As, Ms) ->
- scan_module_1(Ts, [".",A|As], Ms);
-scan_module_1([{'.',_Lr}|Ts], As, Ms) ->
- scan_module_1(Ts, As, Ms);
-scan_module_1(_Ts, _As, Ms) -> Ms.
-
-scan_extends([{atom,Ln,A},{')',_Lr}|_Ts], As, Ms0) ->
- Mod = lists:concat(lists:reverse([A|As])),
- Ms = dict:store({atom,'BASE_MODULE'},
- {none,[{atom,Ln,list_to_atom(Mod)}]}, Ms0),
- dict:store({atom,'BASE_MODULE_STRING'}, {none,[{string,Ln,Mod}]}, Ms);
-scan_extends([{atom,_Ln,A},{'.',_Lr}|Ts], As, Ms) ->
- scan_extends(Ts, [".",A|As], Ms);
-scan_extends([{'.',_Lr}|Ts], As, Ms) ->
- scan_extends(Ts, As, Ms);
-scan_extends(_Ts, _As, Ms) -> Ms.
+ scan_module_1([A,{')',L}|Ts], Ms);
+scan_module_1([{atom,Ln,A}=ModAtom,{')',_Lr}|_Ts], Ms0) ->
+ ModString = atom_to_list(A),
+ Ms = Ms0#{'MODULE':={none,[ModAtom]}},
+ Ms#{'MODULE_STRING':={none,[{string,Ln,ModString}]}};
+scan_module_1(_Ts, Ms) -> Ms.
+
+scan_extends([{atom,Ln,A}=ModAtom,{')',_Lr}|_Ts], Ms0) ->
+ ModString = atom_to_list(A),
+ Ms = Ms0#{'BASE_MODULE':={none,[ModAtom]}},
+ Ms#{'BASE_MODULE_STRING':={none,[{string,Ln,ModString}]}};
+scan_extends(_Ts, Ms) -> Ms.
%% scan_define(Tokens, DefineToken, From, EppState)
-scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{',',_}=Comma|Toks], _Def, From, St)
+scan_define([{'(',_Lp},{Type,_Lm,_}=Mac|Toks], Def, From, St)
when Type =:= atom; Type =:= var ->
+ scan_define_1(Toks, Mac, Def, From, St);
+scan_define(_Toks, Def, From, St) ->
+ epp_reply(From, {error,{loc(Def),epp,{bad,define}}}),
+ wait_req_scan(St).
+
+scan_define_1([{',',_}=Comma|Toks], Mac,_Def, From, St) ->
case catch macro_expansion(Toks, Comma) of
Expansion when is_list(Expansion) ->
- case dict:find({atom,M}, St#epp.macs) of
- {ok, Defs} when is_list(Defs) ->
- %% User defined macros: can be overloaded
- case proplists:is_defined(none, Defs) of
- true ->
- epp_reply(From, {error,{loc(Mac),epp,{redefine,M}}}),
- wait_req_scan(St);
- false ->
- scan_define_cont(From, St,
- {atom, M},
- {none, {none,Expansion}})
- end;
- {ok, _PreDef} ->
- %% Predefined macros: cannot be overloaded
- epp_reply(From, {error,{loc(Mac),epp,{redefine_predef,M}}}),
- wait_req_scan(St);
- error ->
- scan_define_cont(From, St,
- {atom, M},
- {none, {none,Expansion}})
- end;
+ scan_define_2(none, {none,Expansion}, Mac, From, St);
{error,ErrL,What} ->
epp_reply(From, {error,{ErrL,epp,What}}),
wait_req_scan(St)
end;
-scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{'(',_Lc}|Toks], Def, From, St)
- when Type =:= atom; Type =:= var ->
+scan_define_1([{'(',_Lc}|Toks], Mac, Def, From, St) ->
case catch macro_pars(Toks, []) of
- {ok, {As,Me}} ->
+ {ok,{As,_}=MacroDef} ->
Len = length(As),
- case dict:find({atom,M}, St#epp.macs) of
- {ok, Defs} when is_list(Defs) ->
- %% User defined macros: can be overloaded
- case proplists:is_defined(Len, Defs) of
- true ->
- epp_reply(From,{error,{loc(Mac),epp,{redefine,M}}}),
- wait_req_scan(St);
- false ->
- scan_define_cont(From, St, {atom, M},
- {Len, {As, Me}})
- end;
- {ok, _PreDef} ->
- %% Predefined macros: cannot be overloaded
- %% (There are currently no predefined F(...) macros.)
- epp_reply(From, {error,{loc(Mac),epp,{redefine_predef,M}}}),
- wait_req_scan(St);
- error ->
- scan_define_cont(From, St, {atom, M}, {Len, {As, Me}})
- end;
+ scan_define_2(Len, MacroDef, Mac, From, St);
{error,ErrL,What} ->
epp_reply(From, {error,{ErrL,epp,What}}),
wait_req_scan(St);
@@ -888,10 +833,29 @@ scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{'(',_Lc}|Toks], Def, From, St)
epp_reply(From, {error,{loc(Def),epp,{bad,define}}}),
wait_req_scan(St)
end;
-scan_define(_Toks, Def, From, St) ->
+scan_define_1(_Toks, _Mac, Def, From, St) ->
epp_reply(From, {error,{loc(Def),epp,{bad,define}}}),
wait_req_scan(St).
+scan_define_2(Arity, Def, {_,_,Key}=Mac, From, #epp{macs=Ms}=St) ->
+ case Ms of
+ #{Key:=Defs} when is_list(Defs) ->
+ %% User defined macros: can be overloaded
+ case proplists:is_defined(Arity, Defs) of
+ true ->
+ epp_reply(From, {error,{loc(Mac),epp,{redefine,Key}}}),
+ wait_req_scan(St);
+ false ->
+ scan_define_cont(From, St, Key, Defs, Arity, Def)
+ end;
+ #{Key:=_} ->
+ %% Predefined macros: cannot be overloaded
+ epp_reply(From, {error,{loc(Mac),epp,{redefine_predef,Key}}}),
+ wait_req_scan(St);
+ _ ->
+ scan_define_cont(From, St, Key, [], Arity, Def)
+ end.
+
%%% Detection of circular macro expansions (which would either keep
%%% the compiler looping forever, or run out of memory):
%%% When a macro is defined, we store the names of other macros it
@@ -901,11 +865,17 @@ scan_define(_Toks, Def, From, St) ->
%%% the information from St#epp.uses is traversed, and if a circularity
%%% is detected, an error message is thrown.
-scan_define_cont(F, St, M, {Arity, Def}) ->
- Ms = dict:append_list(M, [{Arity, Def}], St#epp.macs),
- try dict:append_list(M, [{Arity, macro_uses(Def)}], St#epp.uses) of
+scan_define_cont(F, #epp{macs=Ms0}=St, M, Defs, Arity, Def) ->
+ Ms = Ms0#{M=>[{Arity,Def}|Defs]},
+ try macro_uses(Def) of
U ->
- scan_toks(F, St#epp{uses=U, macs=Ms})
+ Uses0 = St#epp.uses,
+ Val = [{Arity,U}|case Uses0 of
+ #{M:=UseList} -> UseList;
+ _ -> []
+ end],
+ Uses = Uses0#{M=>Val},
+ scan_toks(F, St#epp{uses=Uses,macs=Ms})
catch
{error, Line, Reason} ->
epp_reply(F, {error,{Line,epp,Reason}}),
@@ -923,23 +893,23 @@ macro_ref([{'?', _}, {'?', _} | Rest]) ->
macro_ref([{'?', _}, {atom, _, A}=Atom | Rest]) ->
Lm = loc(Atom),
Arity = count_args(Rest, Lm, A),
- [{{atom, A}, Arity} | macro_ref(Rest)];
+ [{A,Arity} | macro_ref(Rest)];
macro_ref([{'?', _}, {var, _, A}=Var | Rest]) ->
Lm = loc(Var),
Arity = count_args(Rest, Lm, A),
- [{{atom, A}, Arity} | macro_ref(Rest)];
+ [{A,Arity} | macro_ref(Rest)];
macro_ref([_Token | Rest]) ->
macro_ref(Rest).
%% scan_undef(Tokens, UndefToken, From, EppState)
scan_undef([{'(',_Llp},{atom,_Lm,M},{')',_Lrp},{dot,_Ld}], _Undef, From, St) ->
- Macs = dict:erase({atom,M}, St#epp.macs),
- Uses = dict:erase({atom,M}, St#epp.uses),
+ Macs = maps:remove(M, St#epp.macs),
+ Uses = maps:remove(M, St#epp.uses),
scan_toks(From, St#epp{macs=Macs, uses=Uses});
scan_undef([{'(',_Llp},{var,_Lm,M},{')',_Lrp},{dot,_Ld}], _Undef, From,St) ->
- Macs = dict:erase({atom,M}, St#epp.macs),
- Uses = dict:erase({atom,M}, St#epp.uses),
+ Macs = maps:remove(M, St#epp.macs),
+ Uses = maps:remove(M, St#epp.uses),
scan_toks(From, St#epp{macs=Macs, uses=Uses});
scan_undef(_Toks, Undef, From, St) ->
epp_reply(From, {error,{loc(Undef),epp,{bad,undef}}}),
@@ -1006,17 +976,17 @@ scan_include_lib(_Toks, Inc, From, St) ->
%% Report a badly formed if[n]def test and then treat as undefined macro.
scan_ifdef([{'(',_Llp},{atom,_Lm,M},{')',_Lrp},{dot,_Ld}], _IfD, From, St) ->
- case dict:find({atom,M}, St#epp.macs) of
- {ok,_Def} ->
+ case St#epp.macs of
+ #{M:=_Def} ->
scan_toks(From, St#epp{istk=[ifdef|St#epp.istk]});
- error ->
+ _ ->
skip_toks(From, St, [ifdef])
end;
scan_ifdef([{'(',_Llp},{var,_Lm,M},{')',_Lrp},{dot,_Ld}], _IfD, From, St) ->
- case dict:find({atom,M}, St#epp.macs) of
- {ok,_Def} ->
+ case St#epp.macs of
+ #{M:=_Def} ->
scan_toks(From, St#epp{istk=[ifdef|St#epp.istk]});
- error ->
+ _ ->
skip_toks(From, St, [ifdef])
end;
scan_ifdef(_Toks, IfDef, From, St) ->
@@ -1024,17 +994,17 @@ scan_ifdef(_Toks, IfDef, From, St) ->
wait_req_skip(St, [ifdef]).
scan_ifndef([{'(',_Llp},{atom,_Lm,M},{')',_Lrp},{dot,_Ld}], _IfnD, From, St) ->
- case dict:find({atom,M}, St#epp.macs) of
- {ok,_Def} ->
+ case St#epp.macs of
+ #{M:=_Def} ->
skip_toks(From, St, [ifndef]);
- error ->
+ _ ->
scan_toks(From, St#epp{istk=[ifndef|St#epp.istk]})
end;
scan_ifndef([{'(',_Llp},{var,_Lm,M},{')',_Lrp},{dot,_Ld}], _IfnD, From, St) ->
- case dict:find({atom,M}, St#epp.macs) of
- {ok,_Def} ->
+ case St#epp.macs of
+ #{M:=_Def} ->
skip_toks(From, St, [ifndef]);
- error ->
+ _ ->
scan_toks(From, St#epp{istk=[ifndef|St#epp.istk]})
end;
scan_ifndef(_Toks, IfnDef, From, St) ->
@@ -1102,7 +1072,8 @@ scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp},
{dot,_Ld}], Tf, From, St) ->
Anno = erl_anno:new(Ln),
enter_file_reply(From, Name, Anno, loc(Tf), generated),
- Ms = dict:store({atom,'FILE'}, {none,[{string,line1(),Name}]}, St#epp.macs),
+ Ms0 = St#epp.macs,
+ Ms = Ms0#{'FILE':={none,[{string,line1(),Name}]}},
Locf = loc(Tf),
NewLoc = new_location(Ln, St#epp.location, Locf),
Delta = get_line(element(2, Tf))-Ln + St#epp.delta,
@@ -1185,45 +1156,47 @@ macro_expansion([T|Ts], _Anno0) ->
[T|macro_expansion(Ts, T)];
macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}).
-%% expand_macros(Tokens, Macros)
+%% expand_macros(Tokens, St)
%% expand_macro(Tokens, MacroToken, RestTokens)
%% Expand the macros in a list of tokens, making sure that an expansion
%% gets the same location as the macro call.
-expand_macros(Type, MacT, M, Toks, Ms0) ->
- %% (Type will always be 'atom')
- {Ms, U} = Ms0,
+expand_macros(MacT, M, Toks, St) ->
+ #epp{macs=Ms,uses=U} = St,
Lm = loc(MacT),
Tinfo = element(2, MacT),
- case expand_macro1(Type, Lm, M, Toks, Ms) of
+ case expand_macro1(Lm, M, Toks, Ms) of
{ok,{none,Exp}} ->
- check_uses([{{Type,M}, none}], [], U, Lm),
- Toks1 = expand_macros(expand_macro(Exp, Tinfo, [], dict:new()), Ms0),
- expand_macros(Toks1++Toks, Ms0);
+ check_uses([{M,none}], [], U, Lm),
+ Toks1 = expand_macros(expand_macro(Exp, Tinfo, [], #{}), St),
+ expand_macros(Toks1++Toks, St);
{ok,{As,Exp}} ->
- check_uses([{{Type,M}, length(As)}], [], U, Lm),
- {Bs,Toks1} = bind_args(Toks, Lm, M, As, dict:new()),
- expand_macros(expand_macro(Exp, Tinfo, Toks1, Bs), Ms0)
+ check_uses([{M,length(As)}], [], U, Lm),
+ {Bs,Toks1} = bind_args(Toks, Lm, M, As, #{}),
+ expand_macros(expand_macro(Exp, Tinfo, Toks1, Bs), St)
end.
-expand_macro1(Type, Lm, M, Toks, Ms) ->
+expand_macro1(Lm, M, Toks, Ms) ->
Arity = count_args(Toks, Lm, M),
- case dict:find({Type,M}, Ms) of
- error -> %% macro not found
+ case Ms of
+ #{M:=undefined} ->
+ %% Predefined macro without definition.
throw({error,Lm,{undefined,M,Arity}});
- {ok, undefined} -> %% Predefined macro without definition
- throw({error,Lm,{undefined,M,Arity}});
- {ok, [{none, Def}]} ->
- {ok, Def};
- {ok, Defs} when is_list(Defs) ->
- case proplists:get_value(Arity, Defs) of
+ #{M:=[{none,Def}]} ->
+ {ok,Def};
+ #{M:=Defs} when is_list(Defs) ->
+ case proplists:get_value(Arity, Defs) of
undefined ->
throw({error,Lm,{mismatch,M}});
Def ->
- {ok, Def}
+ {ok,Def}
end;
- {ok, PreDef} -> %% Predefined macro
- {ok, PreDef}
+ #{M:=PreDef} ->
+ %% Predefined macro.
+ {ok,PreDef};
+ _ ->
+ %% Macro not found.
+ throw({error,Lm,{undefined,M,Arity}})
end.
check_uses([], _Anc, _U, _Lm) ->
@@ -1231,7 +1204,7 @@ check_uses([], _Anc, _U, _Lm) ->
check_uses([M|Rest], Anc, U, Lm) ->
case lists:member(M, Anc) of
true ->
- {{_, Name},Arity} = M,
+ {Name,Arity} = M,
throw({error,Lm,{circular,Name,Arity}});
false ->
L = get_macro_uses(M, U),
@@ -1240,25 +1213,41 @@ check_uses([M|Rest], Anc, U, Lm) ->
end.
get_macro_uses({M,Arity}, U) ->
- case dict:find(M, U) of
- error ->
- [];
- {ok, L} ->
- proplists:get_value(Arity, L, proplists:get_value(none, L, []))
+ case U of
+ #{M:=L} ->
+ proplists:get_value(Arity, L, proplists:get_value(none, L, []));
+ _ ->
+ []
end.
%% Macro expansion
%% Note: io:scan_erl_form() does not return comments or white spaces.
-expand_macros([{'?',_Lq},{atom,_Lm,M}=MacT|Toks], Ms) ->
- expand_macros(atom, MacT, M, Toks, Ms);
+expand_macros([{'?',_Lq},{atom,_Lm,M}=MacT|Toks], St) ->
+ expand_macros(MacT, M, Toks, St);
%% Special macros
-expand_macros([{'?',_Lq},{var,Lm,'LINE'}=Tok|Toks], Ms) ->
+expand_macros([{'?',_Lq},{var,Lm,'FUNCTION_NAME'}=Token|Toks], St0) ->
+ St = update_fun_name(Token, St0),
+ case St#epp.fname of
+ undefined ->
+ [{'?',_Lq},Token];
+ {Name,_} ->
+ [{atom,Lm,Name}]
+ end ++ expand_macros(Toks, St);
+expand_macros([{'?',_Lq},{var,Lm,'FUNCTION_ARITY'}=Token|Toks], St0) ->
+ St = update_fun_name(Token, St0),
+ case St#epp.fname of
+ undefined ->
+ [{'?',_Lq},Token];
+ {_,Arity} ->
+ [{integer,Lm,Arity}]
+ end ++ expand_macros(Toks, St);
+expand_macros([{'?',_Lq},{var,Lm,'LINE'}=Tok|Toks], St) ->
Line = erl_scan:line(Tok),
- [{integer,Lm,Line}|expand_macros(Toks, Ms)];
-expand_macros([{'?',_Lq},{var,_Lm,M}=MacT|Toks], Ms) ->
- expand_macros(atom, MacT, M, Toks, Ms);
+ [{integer,Lm,Line}|expand_macros(Toks, St)];
+expand_macros([{'?',_Lq},{var,_Lm,M}=MacT|Toks], St) ->
+ expand_macros(MacT, M, Toks, St);
%% Illegal macros
-expand_macros([{'?',_Lq},Token|_Toks], _Ms) ->
+expand_macros([{'?',_Lq},Token|_Toks], _St) ->
T = case erl_scan:text(Token) of
Text when is_list(Text) ->
Text;
@@ -1267,9 +1256,9 @@ expand_macros([{'?',_Lq},Token|_Toks], _Ms) ->
io_lib:write(Symbol)
end,
throw({error,loc(Token),{call,[$?|T]}});
-expand_macros([T|Ts], Ms) ->
- [T|expand_macros(Ts, Ms)];
-expand_macros([], _Ms) -> [].
+expand_macros([T|Ts], St) ->
+ [T|expand_macros(Ts, St)];
+expand_macros([], _St) -> [].
%% bind_args(Tokens, MacroLocation, MacroName, ArgumentVars, Bindings)
%% Collect the arguments to a macro call.
@@ -1295,7 +1284,7 @@ macro_args(_Toks, Lm, M, _As, _Bs) ->
store_arg(L, M, _A, [], _Bs) ->
throw({error,L,{mismatch,M}});
store_arg(_L, _M, A, Arg, Bs) ->
- dict:store(A, Arg, Bs).
+ Bs#{A=>Arg}.
%% count_args(Tokens, MacroLine, MacroName)
%% Count the number of arguments in a macro call.
@@ -1368,19 +1357,17 @@ macro_arg([], _E, Arg) ->
%% and then the macro arguments, i.e. simulate textual expansion.
expand_macro([{var,_Lv,V}|Ts], L, Rest, Bs) ->
- case dict:find(V, Bs) of
- {ok,Val} ->
- %% lists:append(Val, expand_macro(Ts, L, Rest, Bs));
+ case Bs of
+ #{V:=Val} ->
expand_arg(Val, Ts, L, Rest, Bs);
- error ->
+ _ ->
[{var,L,V}|expand_macro(Ts, L, Rest, Bs)]
end;
expand_macro([{'?', _}, {'?', _}, {var,_Lv,V}|Ts], L, Rest, Bs) ->
- case dict:find(V, Bs) of
- {ok,Val} ->
- %% lists:append(Val, expand_macro(Ts, L, Rest, Bs));
+ case Bs of
+ #{V:=Val} ->
expand_arg(stringify(Val, L), Ts, L, Rest, Bs);
- error ->
+ _ ->
[{var,L,V}|expand_macro(Ts, L, Rest, Bs)]
end;
expand_macro([T|Ts], L, Rest, Bs) ->
@@ -1394,6 +1381,93 @@ expand_arg([A|As], Ts, _L, Rest, Bs) ->
expand_arg([], Ts, L, Rest, Bs) ->
expand_macro(Ts, L, Rest, Bs).
+%%%
+%%% Here follows support for the ?FUNCTION_NAME and ?FUNCTION_ARITY
+%%% macros. Since the parser has not been run yet, we don't know the
+%%% name and arity of the current function. Therefore, we will need to
+%%% scan the beginning of the current form to extract the name and
+%%% arity of the function.
+%%%
+
+update_fun_name(Token, #epp{fname=Toks0}=St) when is_list(Toks0) ->
+ %% ?FUNCTION_NAME or ?FUNCTION_ARITY is used for the first time in
+ %% a function. First expand macros (except ?FUNCTION_NAME and
+ %% ?FUNCTION_ARITY) in the form.
+
+ Toks1 = (catch expand_macros(Toks0, St#epp{fname=undefined})),
+
+ %% Now extract the name and arity from the stream of tokens, and store
+ %% the result in the #epp{} record so we don't have to do it
+ %% again.
+
+ case Toks1 of
+ [{atom,_,Name},{'(',_}|Toks] ->
+ %% This is the beginning of a function definition.
+ %% Scan the token stream up to the matching right
+ %% parenthesis and count the number of arguments.
+ FA = update_fun_name_1(Toks, 1, {Name,0}, St),
+ St#epp{fname=FA};
+ [{'?',_}|_] ->
+ %% ?FUNCTION_NAME/?FUNCTION_ARITY used at the beginning
+ %% of a form. Does not make sense.
+ {var,_,Macro} = Token,
+ throw({error,loc(Token),{illegal_function_usage,Macro}});
+ _ when is_list(Toks1) ->
+ %% Not the beginning of a function (an attribute or a
+ %% syntax error).
+ {var,_,Macro} = Token,
+ throw({error,loc(Token),{illegal_function,Macro}});
+ _ ->
+ %% A macro expansion error. Return a dummy value and
+ %% let the caller notice and handle the error.
+ St#epp{fname={'_',0}}
+ end;
+update_fun_name(_Token, St) ->
+ St.
+
+update_fun_name_1([Tok|Toks], L, FA, St) ->
+ case classify_token(Tok) of
+ comma ->
+ if
+ L =:= 1 ->
+ {Name,Arity} = FA,
+ update_fun_name_1(Toks, L, {Name,Arity+1}, St);
+ true ->
+ update_fun_name_1(Toks, L, FA, St)
+ end;
+ left ->
+ update_fun_name_1(Toks, L+1, FA, St);
+ right when L =:= 1 ->
+ FA;
+ right ->
+ update_fun_name_1(Toks, L-1, FA, St);
+ other ->
+ case FA of
+ {Name,0} ->
+ update_fun_name_1(Toks, L, {Name,1}, St);
+ {_,_} ->
+ update_fun_name_1(Toks, L, FA, St)
+ end
+ end;
+update_fun_name_1([], _, FA, _) ->
+ %% Syntax error, but never mind.
+ FA.
+
+classify_token({C,_}) -> classify_token_1(C);
+classify_token(_) -> other.
+
+classify_token_1(',') -> comma;
+classify_token_1('(') -> left;
+classify_token_1('{') -> left;
+classify_token_1('[') -> left;
+classify_token_1('<<') -> left;
+classify_token_1(')') -> right;
+classify_token_1('}') -> right;
+classify_token_1(']') -> right;
+classify_token_1('>>') -> right;
+classify_token_1(_) -> other.
+
+
%%% stringify(Ts, L) returns a list of one token: a string which when
%%% tokenized would yield the token list Ts.
diff --git a/lib/stdlib/src/erl_anno.erl b/lib/stdlib/src/erl_anno.erl
index 143318aa55..d32c34dabd 100644
--- a/lib/stdlib/src/erl_anno.erl
+++ b/lib/stdlib/src/erl_anno.erl
@@ -33,7 +33,7 @@
-export_type([anno_term/0]).
--define(LN(L), is_integer(L)).
+-define(LN(L), is_integer(L), L >= 0).
-define(COL(C), (is_integer(C) andalso C >= 1)).
%% Location.
@@ -52,13 +52,13 @@
| {'record', record()}
| {'text', string()}.
--type anno() :: location() | [annotation(), ...].
+-opaque anno() :: location() | [annotation(), ...].
-type anno_term() :: term().
-type column() :: pos_integer().
-type generated() :: boolean().
-type filename() :: file:filename_all().
--type line() :: integer().
+-type line() :: non_neg_integer().
-type location() :: line() | {line(), column()}.
-type record() :: boolean().
-type text() :: string().
@@ -90,9 +90,13 @@ to_term(Anno) ->
-ifdef(DEBUG).
from_term(Term) when is_list(Term) ->
Term;
+from_term(Line) when is_integer(Line), Line < 0 -> % Before OTP 19
+ set_generated(true, new(-Line));
from_term(Term) ->
[{location, Term}].
-else.
+from_term(Line) when is_integer(Line), Line < 0 -> % Before OTP 19
+ set_generated(true, new(-Line));
from_term(Term) ->
Term.
-endif.
@@ -198,18 +202,11 @@ file(Anno) ->
Anno :: anno().
generated(Line) when ?ALINE(Line) ->
- Line =< 0;
+ false;
generated({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
- Line =< 0;
+ false;
generated(Anno) ->
- _ = anno_info(Anno, generated, false),
- {location, Location} = lists:keyfind(location, 1, Anno),
- case Location of
- {Line, _Column} ->
- Line =< 0;
- Line ->
- Line =< 0
- end.
+ anno_info(Anno, generated, false).
-spec line(Anno) -> line() when
Anno :: anno().
@@ -226,18 +223,11 @@ line(Anno) ->
Anno :: anno().
location(Line) when ?ALINE(Line) ->
- abs(Line);
-location({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
- {abs(Line), Column};
+ Line;
+location({Line, Column}=Location) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ Location;
location(Anno) ->
- case anno_info(Anno, location) of
- Line when Line < 0 ->
- -Line;
- {Line, Column} when Line < 0 ->
- {-Line, Column};
- Location ->
- Location
- end.
+ anno_info(Anno, location).
-spec record(Anno) -> record() when
Anno :: anno().
@@ -270,31 +260,8 @@ set_file(File, Anno) ->
Generated :: generated(),
Anno :: anno().
-set_generated(true, Line) when ?ALINE(Line) ->
- -abs(Line);
-set_generated(false, Line) when ?ALINE(Line) ->
- abs(Line);
-set_generated(true, {Line, Column}) when ?ALINE(Line),
- ?ACOLUMN(Column) ->
- {-abs(Line),Column};
-set_generated(false, {Line, Column}) when ?ALINE(Line),
- ?ACOLUMN(Column) ->
- {abs(Line),Column};
set_generated(Generated, Anno) ->
- _ = set(generated, Generated, Anno),
- {location, Location} = lists:keyfind(location, 1, Anno),
- NewLocation =
- case Location of
- {Line, Column} when Generated ->
- {-abs(Line), Column};
- {Line, Column} when not Generated ->
- {abs(Line), Column};
- Line when Generated ->
- -abs(Line);
- Line when not Generated ->
- abs(Line)
- end,
- lists:keyreplace(location, 1, Anno, {location, NewLocation}).
+ set(generated, Generated, Anno).
-spec set_line(Line, Anno) -> Anno when
Line :: line(),
@@ -313,38 +280,17 @@ set_line(Line, Anno) ->
Anno :: anno().
set_location(Line, L) when ?ALINE(L), ?LLINE(Line) ->
- new_location(fix_line(Line, L));
+ new_location(Line);
set_location(Line, {L, Column}) when ?ALINE(L), ?ACOLUMN(Column),
?LLINE(Line) ->
- new_location(fix_line(Line, L));
+ new_location(Line);
set_location({L, C}=Loc, Line) when ?ALINE(Line), ?LLINE(L), ?LCOLUMN(C) ->
- new_location(fix_location(Loc, Line));
+ new_location(Loc);
set_location({L, C}=Loc, {Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column),
?LLINE(L), ?LCOLUMN(C) ->
- new_location(fix_location(Loc, Line));
+ new_location(Loc);
set_location(Location, Anno) ->
- _ = set(location, Location, Anno),
- {location, OldLocation} = lists:keyfind(location, 1, Anno),
- NewLocation =
- case {Location, OldLocation} of
- {{_Line, _Column}=Loc, {L, _C}} ->
- fix_location(Loc, L);
- {Line, {L, _C}} ->
- fix_line(Line, L);
- {{_Line, _Column}=Loc, L} ->
- fix_location(Loc, L);
- {Line, L} ->
- fix_line(Line, L)
- end,
- lists:keyreplace(location, 1, Anno, {location, NewLocation}).
-
-fix_location({Line, Column}, OldLine) ->
- {fix_line(Line, OldLine), Column}.
-
-fix_line(Line, OldLine) when OldLine < 0, Line > 0 ->
- -Line;
-fix_line(Line, _OldLine) ->
- Line.
+ set(location, Location, Anno).
-spec set_record(Record, Anno) -> Anno when
Record :: record(),
@@ -383,7 +329,7 @@ set_anno(Item, Value, Anno) ->
_ ->
lists:keyreplace(Item, 1, Anno, {Item, Value})
end,
- simplify(R)
+ reset_simplify(R)
end.
reset(Anno, Item) ->
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index bcfeef7321..9c0a7fb7d5 100644
--- a/lib/stdlib/src/erl_expand_records.erl
+++ b/lib/stdlib/src/erl_expand_records.erl
@@ -33,8 +33,6 @@
vcount=0, % Variable counter
imports=[], % Imports
records=dict:new(), % Record definitions
- trecords=sets:new(), % Typed records
- uses_types=false, % Are there -spec or -type in the module
strict_ra=[], % strict record accesses
checked_ra=[] % successfully accessed records
}).
@@ -47,45 +45,18 @@
%% erl_lint without errors.
module(Fs0, Opts0) ->
Opts = compiler_options(Fs0) ++ Opts0,
- TRecs = typed_records(Fs0),
- UsesTypes = uses_types(Fs0),
- St0 = #exprec{compile = Opts, trecords = TRecs, uses_types = UsesTypes},
+ St0 = #exprec{compile = Opts},
{Fs,_St} = forms(Fs0, St0),
Fs.
compiler_options(Forms) ->
lists:flatten([C || {attribute,_,compile,C} <- Forms]).
-typed_records(Fs) ->
- typed_records(Fs, sets:new()).
-
-typed_records([{attribute,_L,type,{{record, Name},_Defs,[]}} | Fs], Trecs) ->
- typed_records(Fs, sets:add_element(Name, Trecs));
-typed_records([_|Fs], Trecs) ->
- typed_records(Fs, Trecs);
-typed_records([], Trecs) ->
- Trecs.
-
-uses_types([{attribute,_L,spec,_}|_]) -> true;
-uses_types([{attribute,_L,type,_}|_]) -> true;
-uses_types([{attribute,_L,opaque,_}|_]) -> true;
-uses_types([_|Fs]) -> uses_types(Fs);
-uses_types([]) -> false.
-
-forms([{attribute,L,record,{Name,Defs}} | Fs], St0) ->
+forms([{attribute,_,record,{Name,Defs}}=Attr | Fs], St0) ->
NDefs = normalise_fields(Defs),
St = St0#exprec{records=dict:store(Name, NDefs, St0#exprec.records)},
{Fs1, St1} = forms(Fs, St),
- %% Check if we need to keep the record information for usage in types.
- case St#exprec.uses_types of
- true ->
- case sets:is_element(Name, St#exprec.trecords) of
- true -> {Fs1, St1};
- false -> {[{attribute,L,type,{{record,Name},Defs,[]}}|Fs1], St1}
- end;
- false ->
- {Fs1, St1}
- end;
+ {[Attr | Fs1], St1};
forms([{attribute,L,import,Is} | Fs0], St0) ->
St1 = import(Is, St0),
{Fs,St2} = forms(Fs0, St1),
@@ -513,7 +484,6 @@ lc_tq(Line, [F0 | Qs0], St0) ->
lc_tq(_Line, [], St0) ->
{[],St0#exprec{checked_ra = []}}.
-
%% normalise_fields([RecDef]) -> [Field].
%% Normalise the field definitions to always have a default value. If
%% none has been given then use 'undefined'.
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 62b3169a6c..4ca9a609a8 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -31,12 +31,8 @@
-export([is_guard_expr/1]).
-export([bool_option/4,value_option/3,value_option/7]).
--export([modify_line/2]).
-
-import(lists, [member/2,map/2,foldl/3,foldr/3,mapfoldl/3,all/2,reverse/1]).
--deprecated([{modify_line, 2, next_major_release}]).
-
%% bool_option(OnOpt, OffOpt, Default, Options) -> boolean().
%% value_option(Flag, Default, Options) -> Value.
%% value_option(Flag, Default, OnOpt, OnVal, OffOpt, OffVal, Options) ->
@@ -79,7 +75,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
%%-define(DEBUGF(X,Y), io:format(X, Y)).
-define(DEBUGF(X,Y), void).
--type line() :: erl_anno:line(). % a convenient alias
+-type line() :: erl_anno:anno(). % a convenient alias
-type fa() :: {atom(), arity()}. % function+arity
-type ta() :: {atom(), arity()}. % type+arity
@@ -238,6 +234,9 @@ format_error({removed, MFA, ReplacementMFA, Rel}) ->
"use ~s", [format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]);
format_error({removed, MFA, String}) when is_list(String) ->
io_lib:format("~s: ~s", [format_mfa(MFA), String]);
+format_error({removed_type, MNA, ReplacementMNA, Rel}) ->
+ io_lib:format("the type ~s was removed in ~s; use ~s instead",
+ [format_mna(MNA), Rel, format_mna(ReplacementMNA)]);
format_error({obsolete_guard, {F, A}}) ->
io_lib:format("~p/~p obsolete", [F, A]);
format_error({too_many_arguments,Arity}) ->
@@ -361,6 +360,9 @@ format_error({redefine_type, {TypeName, Arity}}) ->
[TypeName, gen_type_paren(Arity)]);
format_error({type_syntax, Constr}) ->
io_lib:format("bad ~w type", [Constr]);
+format_error(old_abstract_code) ->
+ io_lib:format("abstract code generated before Erlang/OTP 19.0 and "
+ "having typed record fields cannot be compiled", []);
format_error({redefine_spec, {M, F, A}}) ->
io_lib:format("spec for ~w:~w/~w already defined", [M, F, A]);
format_error({redefine_spec, {F, A}}) ->
@@ -374,9 +376,9 @@ format_error({spec_fun_undefined, {F, A}}) ->
format_error({missing_spec, {F,A}}) ->
io_lib:format("missing specification for function ~w/~w", [F, A]);
format_error(spec_wrong_arity) ->
- "spec has the wrong arity";
+ "spec has wrong arity";
format_error(callback_wrong_arity) ->
- "callback has the wrong arity";
+ "callback has wrong arity";
format_error({deprecated_builtin_type, {Name, Arity},
Replacement, Rel}) ->
UseS = case Replacement of
@@ -416,6 +418,9 @@ format_mfa({M, F, A}) when is_integer(A) ->
format_mf(M, F, ArityString) when is_atom(M), is_atom(F) ->
atom_to_list(M) ++ ":" ++ atom_to_list(F) ++ "/" ++ ArityString.
+format_mna({M, N, A}) when is_integer(A) ->
+ atom_to_list(M) ++ ":" ++ atom_to_list(N) ++ gen_type_paren(A).
+
format_where(L) when is_integer(L) ->
io_lib:format("(line ~p)", [L]);
format_where({L,C}) when is_integer(L), is_integer(C) ->
@@ -694,7 +699,12 @@ set_form_file({function,L,N,A,C}, File) ->
set_form_file(Form, _File) ->
Form.
+set_file(Ts, File) when is_list(Ts) ->
+ [anno_set_file(T, File) || T <- Ts];
set_file(T, File) ->
+ anno_set_file(T, File).
+
+anno_set_file(T, File) ->
F = fun(Anno) -> erl_anno:set_file(File, Anno) end,
erl_parse:map_anno(F, T).
@@ -1136,7 +1146,7 @@ check_untyped_records(Forms, St0) ->
RecNames = dict:fetch_keys(St0#lint.records),
%% these are the records with field(s) containing type info
TRecNames = [Name ||
- {attribute,_,type,{{record,Name},Fields,_}} <- Forms,
+ {attribute,_,record,{Name,Fields}} <- Forms,
lists:all(fun ({typed_record_field,_,_}) -> true;
(_) -> false
end, Fields)],
@@ -1146,7 +1156,8 @@ check_untyped_records(Forms, St0) ->
[] -> St; % exclude records with no fields
[_|_] -> add_warning(L, {untyped_record, N}, St)
end
- end, St0, RecNames -- TRecNames);
+ end, St0, ordsets:subtract(ordsets:from_list(RecNames),
+ ordsets:from_list(TRecNames)));
false ->
St0
end.
@@ -2436,7 +2447,10 @@ record_def(Line, Name, Fs0, St0) ->
true -> add_error(Line, {redefine_record,Name}, St0);
false ->
{Fs1,St1} = def_fields(normalise_fields(Fs0), Name, St0),
- St1#lint{records=dict:store(Name, {Line,Fs1}, St1#lint.records)}
+ St2 = St1#lint{records=dict:store(Name, {Line,Fs1},
+ St1#lint.records)},
+ Types = [T || {typed_record_field, _, T} <- Fs0],
+ check_type({type, nowarn(), product, Types}, St2)
end.
%% def_fields([RecDef], RecordName, State) -> {[DefField],State}.
@@ -2639,11 +2653,6 @@ find_field(_F, []) -> error.
%% Attr :: 'type' | 'opaque'
%% Checks that a type definition is valid.
-type_def(_Attr, _Line, {record, _RecName}, Fields, [], St0) ->
- %% The record field names and such are checked in the record format.
- %% We only need to check the types.
- Types = [T || {typed_record_field, _, T} <- Fields],
- check_type({type, nowarn(), product, Types}, St0);
type_def(Attr, Line, TypeName, ProtoType, Args, St0) ->
TypeDefs = St0#lint.types,
Arity = length(Args),
@@ -2806,6 +2815,8 @@ check_type({user_type, L, TypeName, Args}, SeenVars, St) ->
lists:foldl(fun(T, {AccSeenVars, AccSt}) ->
check_type(T, AccSeenVars, AccSt)
end, {SeenVars, St1}, Args);
+check_type([{typed_record_field,Field,_T}|_], SeenVars, St) ->
+ {SeenVars, add_error(element(2, Field), old_abstract_code, St)};
check_type(I, SeenVars, St) ->
case erl_eval:partial_eval(I) of
{integer,_ILn,_Integer} -> {SeenVars, St};
@@ -2876,7 +2887,7 @@ spec_decl(Line, MFA0, TypeSpecs, St0 = #lint{specs = Specs, module = Mod}) ->
St1 = St0#lint{specs = dict:store(MFA, Line, Specs)},
case dict:is_key(MFA, Specs) of
true -> add_error(Line, {redefine_spec, MFA0}, St1);
- false -> check_specs(TypeSpecs, Arity, St1)
+ false -> check_specs(TypeSpecs, spec_wrong_arity, Arity, St1)
end.
%% callback_decl(Line, Fun, Types, State) -> State.
@@ -2890,7 +2901,8 @@ callback_decl(Line, MFA0, TypeSpecs,
St1 = St0#lint{callbacks = dict:store(MFA, Line, Callbacks)},
case dict:is_key(MFA, Callbacks) of
true -> add_error(Line, {redefine_callback, MFA0}, St1);
- false -> check_specs(TypeSpecs, Arity, St1)
+ false -> check_specs(TypeSpecs, callback_wrong_arity,
+ Arity, St1)
end
end.
@@ -2927,7 +2939,7 @@ is_fa({FuncName, Arity})
when is_atom(FuncName), is_integer(Arity), Arity >= 0 -> true;
is_fa(_) -> false.
-check_specs([FunType|Left], Arity, St0) ->
+check_specs([FunType|Left], ETag, Arity, St0) ->
{FunType1, CTypes} =
case FunType of
{type, _, bounded_fun, [FT = {type, _, 'fun', _}, Cs]} ->
@@ -2935,18 +2947,16 @@ check_specs([FunType|Left], Arity, St0) ->
{FT, lists:append(Types0)};
{type, _, 'fun', _} = FT -> {FT, []}
end,
- SpecArity =
- case FunType1 of
- {type, L, 'fun', [any, _]} -> any;
- {type, L, 'fun', [{type, _, product, D}, _]} -> length(D)
- end,
+ {type, L, 'fun', [{type, _, product, D}, _]} = FunType1,
+ SpecArity = length(D),
St1 = case Arity =:= SpecArity of
true -> St0;
- false -> add_error(L, spec_wrong_arity, St0)
+ false -> %% Cannot happen if called from the compiler.
+ add_error(L, ETag, St0)
end,
St2 = check_type({type, nowarn(), product, [FunType1|CTypes]}, St1),
- check_specs(Left, Arity, St2);
-check_specs([], _Arity, St) ->
+ check_specs(Left, ETag, Arity, St2);
+check_specs([], _ETag, _Arity, St) ->
St.
nowarn() ->
@@ -2988,9 +2998,10 @@ add_missing_spec_warnings(Forms, St0, Type) ->
[{FA,L} || {function,L,F,A,_} <- Forms,
not lists:member(FA = {F,A}, Specs)];
exported ->
- Exps = gb_sets:to_list(St0#lint.exports) -- pseudolocals(),
+ Exps0 = gb_sets:to_list(St0#lint.exports) -- pseudolocals(),
+ Exps = Exps0 -- Specs,
[{FA,L} || {function,L,F,A,_} <- Forms,
- member(FA = {F,A}, Exps -- Specs)]
+ member(FA = {F,A}, Exps)]
end,
foldl(fun ({FA,L}, St) ->
add_warning(L, {missing_spec,FA}, St)
@@ -3003,7 +3014,9 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) ->
L = gb_sets:to_list(ExpTs) ++ dict:fetch_keys(D),
UsedTypes = gb_sets:from_list(L),
FoldFun =
- fun(Type, #typeinfo{line = FileLine}, AccSt) ->
+ fun({{record, _}=_Type, 0}, _, AccSt) ->
+ AccSt; % Before Erlang/OTP 19.0
+ (Type, #typeinfo{line = FileLine}, AccSt) ->
case loc(FileLine, AccSt) of
{FirstFile, _} ->
case gb_sets:is_member(Type, UsedTypes) of
@@ -3190,8 +3203,8 @@ handle_generator(P,E,Vt,Uvt,St0) ->
handle_bitstring_gen_pat({bin,_,Segments=[_|_]},St) ->
case lists:last(Segments) of
{bin_element,Line,{var,_,_},default,Flags} when is_list(Flags) ->
- case member(binary, Flags) orelse member(bits, Flags)
- orelse member(bitstring, Flags) of
+ case member(binary, Flags) orelse member(bytes, Flags)
+ orelse member(bits, Flags) orelse member(bitstring, Flags) of
true ->
add_error(Line, unsized_binary_in_bin_gen_pattern, St);
false ->
@@ -3485,13 +3498,6 @@ vt_no_unused(Vt) -> [V || {_,{_,U,_L}}=V <- Vt, U =/= unused].
copy_expr(Expr, Anno) ->
erl_parse:map_anno(fun(_A) -> Anno end, Expr).
-%% modify_line(Form, Fun) -> Form
-%% modify_line(Expression, Fun) -> Expression
-%% Applies Fun to each line number occurrence.
-
-modify_line(T, F0) ->
- erl_parse:map_anno(F0, T).
-
%% Check a record_info call. We have already checked that it is not
%% shadowed by an import.
@@ -3574,6 +3580,8 @@ deprecated_type(L, M, N, As, St) ->
false ->
St
end;
+ {removed, Replacement, Rel} ->
+ add_warning(L, {removed_type, {M,N,NAs}, Replacement, Rel}, St);
no ->
St
end.
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index e82282421e..6f8e5e8449 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. 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.
@@ -85,10 +85,6 @@ type_spec -> '(' spec_fun type_sigs ')' : {'$2', '$3'}.
spec_fun -> atom : '$1'.
spec_fun -> atom ':' atom : {'$1', '$3'}.
-%% The following two are retained only for backwards compatibility;
-%% they are not part of the EEP syntax and should be removed.
-spec_fun -> atom '/' integer '::' : {'$1', '$3'}.
-spec_fun -> atom ':' atom '/' integer '::' : {'$1', '$3', '$5'}.
typed_attr_val -> expr ',' typed_record_fields : {typed_record, '$1', '$3'}.
typed_attr_val -> expr '::' top_type : {type_def, '$1', '$3'}.
@@ -315,7 +311,7 @@ bit_size_expr -> expr_max : '$1'.
list_comprehension -> '[' expr '||' lc_exprs ']' :
{lc,?anno('$1'),'$2','$4'}.
-binary_comprehension -> '<<' binary '||' lc_exprs '>>' :
+binary_comprehension -> '<<' expr_max '||' lc_exprs '>>' :
{bc,?anno('$1'),'$2','$4'}.
lc_exprs -> lc_expr : ['$1'].
lc_exprs -> lc_expr ',' lc_exprs : ['$1'|'$3'].
@@ -525,23 +521,424 @@ Erlang code.
-export([type_inop_prec/1,type_preop_prec/1]).
-export([map_anno/2, fold_anno/3, mapfold_anno/3,
new_anno/1, anno_to_term/1, anno_from_term/1]).
--export([set_line/2,get_attribute/2,get_attributes/1]).
-
--deprecated([{set_line, 2, next_major_release},
- {get_attribute, 2, next_major_release},
- {get_attributes, 1, next_major_release}]).
%% The following directive is needed for (significantly) faster compilation
%% of the generated .erl file by the HiPE compiler. Please do not remove.
-compile([{hipe,[{regalloc,linear_scan}]}]).
-export_type([abstract_clause/0, abstract_expr/0, abstract_form/0,
- error_info/0]).
+ abstract_type/0, error_info/0]).
+
+%% Start of Abstract Format
+
+-type anno() :: erl_anno:anno().
+
+-type abstract_form() :: af_module()
+ | af_behavior()
+ | af_behaviour()
+ | af_export()
+ | af_import()
+ | af_export_type()
+ | af_optional_callbacks()
+ | af_compile()
+ | af_file()
+ | af_record_decl()
+ | af_type_decl()
+ | af_function_spec()
+ | af_wild_attribute()
+ | af_function_decl().
+
+-type af_module() :: {'attribute', anno(), 'module', module()}.
+
+-type af_behavior() :: {'attribute', anno(), 'behavior', behaviour()}.
+
+-type af_behaviour() :: {'attribute', anno(), 'behaviour', behaviour()}.
+
+-type behaviour() :: atom().
+
+-type af_export() :: {'attribute', anno(), 'export', af_fa_list()}.
+
+-type af_import() :: {'attribute', anno(), 'import', af_fa_list()}.
+
+-type af_fa_list() :: [{function_name(), arity()}].
+
+-type af_export_type() :: {'attribute', anno(), 'export_type', af_ta_list()}.
+
+-type af_ta_list() :: [{type_name(), arity()}].
+
+-type af_optional_callbacks() ::
+ {'attribute', anno(), 'optional_callbacks', af_fa_list()}.
+
+-type af_compile() :: {'attribute', anno(), 'compile', any()}.
+
+-type af_file() :: {'attribute', anno(), 'file', {string(), anno()}}.
+
+-type af_record_decl() ::
+ {'attribute', anno(), 'record', {record_name(), [af_field_decl()]}}.
+
+-type af_field_decl() :: af_typed_field() | af_field().
+
+-type af_typed_field() ::
+ {'typed_record_field', af_field(), abstract_type()}.
+
+-type af_field() :: {'record_field', anno(), af_field_name()}
+ | {'record_field', anno(), af_field_name(), abstract_expr()}.
+
+-type af_type_decl() :: {'attribute', anno(), type_attr(),
+ {type_name(), abstract_type(), [af_variable()]}}.
+
+-type type_attr() :: 'opaque' | 'type'.
+
+-type af_function_spec() :: {'attribute', anno(), spec_attr(),
+ {{function_name(), arity()},
+ af_function_type_list()}}
+ | {'attribute', anno(), 'spec',
+ {{module(), function_name(), arity()},
+ af_function_type_list()}}.
+
+-type spec_attr() :: 'callback' | 'spec'.
+
+-type af_wild_attribute() :: {'attribute', anno(), atom(), any()}.
+
+-type af_function_decl() ::
+ {'function', anno(), function_name(), arity(), af_clause_seq()}.
+
+-type abstract_expr() :: af_literal()
+ | af_match(abstract_expr())
+ | af_variable()
+ | af_tuple(abstract_expr())
+ | af_nil()
+ | af_cons(abstract_expr())
+ | af_bin(abstract_expr())
+ | af_binary_op(abstract_expr())
+ | af_unary_op(abstract_expr())
+ | af_record_access(abstract_expr())
+ | af_record_update(abstract_expr())
+ | af_record_index()
+ | af_record_field_access(abstract_expr())
+ | af_map_access(abstract_expr())
+ | af_map_update(abstract_expr())
+ | af_catch()
+ | af_local_call()
+ | af_remote_call()
+ | af_list_comprehension()
+ | af_binary_comprehension()
+ | af_block()
+ | af_if()
+ | af_case()
+ | af_try()
+ | af_receive()
+ | af_local_fun()
+ | af_remote_fun()
+ | af_fun()
+ | af_named_fun().
+
+-type af_record_update(T) :: {'record',
+ anno(),
+ abstract_expr(),
+ record_name(),
+ [af_record_field(T)]}.
+
+-type af_catch() :: {'catch', anno(), abstract_expr()}.
+
+-type af_local_call() :: {'call', anno(), af_local_function(), af_args()}.
+
+-type af_remote_call() :: {'call', anno(), af_remote_function(), af_args()}.
+
+-type af_args() :: [abstract_expr()].
+
+-type af_local_function() :: abstract_expr().
+
+-type af_remote_function() ::
+ {'remote', anno(), abstract_expr(), abstract_expr()}.
+
+-type af_list_comprehension() ::
+ {'lc', anno(), af_template(), af_qualifier_seq()}.
+
+-type af_binary_comprehension() ::
+ {'bc', anno(), af_template(), af_qualifier_seq()}.
+
+-type af_template() :: abstract_expr().
+
+-type af_qualifier_seq() :: [af_qualifier()].
+
+-type af_qualifier() :: af_generator() | af_filter().
+
+-type af_generator() :: {'generate', anno(), af_pattern(), abstract_expr()}
+ | {'b_generate', anno(), af_pattern(), abstract_expr()}.
+
+-type af_filter() :: abstract_expr().
+
+-type af_block() :: {'block', anno(), af_body()}.
+
+-type af_if() :: {'if', anno(), af_clause_seq()}.
+
+-type af_case() :: {'case', anno(), abstract_expr(), af_clause_seq()}.
+
+-type af_try() :: {'try',
+ anno(),
+ af_body() | [],
+ af_clause_seq() | [],
+ af_clause_seq() | [],
+ af_body() | []}.
+
+-type af_clause_seq() :: [af_clause(), ...].
+
+-type af_receive() ::
+ {'receive', anno(), af_clause_seq()}
+ | {'receive', anno(), af_clause_seq(), abstract_expr(), af_body()}.
+
+-type af_local_fun() ::
+ {'fun', anno(), {'function', function_name(), arity()}}.
+
+-type af_remote_fun() ::
+ {'fun', anno(), {'function', module(), function_name(), arity()}}
+ | {'fun', anno(), {'function', af_atom(), af_atom(), af_integer()}}.
+
+-type af_fun() :: {'fun', anno(), {'clauses', af_clause_seq()}}.
+
+-type af_named_fun() :: {'named_fun', anno(), fun_name(), af_clause_seq()}.
+
+-type fun_name() :: atom().
+
+-type abstract_clause() :: af_clause().
+
+-type af_clause() ::
+ {'clause', anno(), [af_pattern()], af_guard_seq(), af_body()}.
+
+-type af_body() :: [abstract_expr(), ...].
+
+-type af_guard_seq() :: [af_guard()].
+
+-type af_guard() :: [af_guard_test(), ...].
+
+-type af_guard_test() :: af_literal()
+ | af_variable()
+ | af_tuple(af_guard_test())
+ | af_nil()
+ | af_cons(af_guard_test())
+ | af_bin(af_guard_test())
+ | af_binary_op(af_guard_test())
+ | af_unary_op(af_guard_test())
+ | af_record_access(af_guard_test())
+ | af_record_index()
+ | af_record_field_access(af_guard_test())
+ | af_map_access(abstract_expr()) % FIXME
+ | af_map_update(abstract_expr()) % FIXME
+ | af_guard_call()
+ | af_remote_guard_call().
+
+-type af_record_field_access(T) ::
+ {'record_field', anno(), T, record_name(), af_field_name()}.
+
+-type af_map_access(T) :: {'map', anno(), [af_map_field(T)]}.
+
+-type af_map_update(T) :: {'map', anno(), T, [af_map_field(T)]}.
+
+-type af_map_field(T) :: af_map_field_assoc(T) | af_map_field_exact(T).
+
+-type af_map_field_assoc(T) :: {'map_field_assoc', anno(), T, T}.
+
+-type af_map_field_exact(T) :: {'map_field_exact', anno(), T, T}.
+
+-type af_guard_call() :: {'call', anno(), function_name(), [af_guard_test()]}.
+
+-type af_remote_guard_call() ::
+ {'call', anno(),
+ {'remote', anno(), af_lit_atom('erlang'), af_atom()},
+ [af_guard_test()]}.
+
+-type af_pattern() :: af_literal()
+ | af_match(af_pattern())
+ | af_variable()
+ | af_tuple(af_pattern())
+ | af_nil()
+ | af_cons(af_pattern())
+ | af_bin(af_pattern())
+ | af_binary_op(af_pattern())
+ | af_unary_op(af_pattern())
+ | af_record_access(af_pattern())
+ | af_record_index()
+ | af_map_pattern().
+
+-type af_record_index() ::
+ {'record_index', anno(), record_name(), af_field_name()}.
+
+-type af_record_access(T) ::
+ {'record', anno(), record_name(), [af_record_field(T)]}.
+
+-type af_record_field(T) :: {'record_field', anno(), af_field_name(), T}.
+
+-type af_map_pattern() ::
+ {'map', anno(), [af_map_field_exact(abstract_expr)]}. % FIXME?
+
+-type abstract_type() :: af_annotated_type()
+ | af_atom()
+ | af_bitstring_type()
+ | af_empty_list_type()
+ | af_fun_type()
+ | af_integer_range_type()
+ | af_map_type()
+ | af_predefined_type()
+ | af_record_type()
+ | af_remote_type()
+ | af_singleton_integer_type()
+ | af_tuple_type()
+ | af_type_union()
+ | af_type_variable()
+ | af_user_defined_type().
+
+-type af_annotated_type() ::
+ {'ann_type', anno(), [af_anno() | abstract_type()]}. % [Var, Type]
+
+-type af_anno() :: af_variable().
+
+-type af_bitstring_type() ::
+ {'type', anno(), 'binary', [af_singleton_integer_type()]}.
+
+-type af_empty_list_type() :: {'type', anno(), 'nil', []}.
+
+-type af_fun_type() :: {'type', anno(), 'fun', []}
+ | {'type', anno(), 'fun', [{'type', anno(), 'any'} |
+ abstract_type()]}
+ | {'type', anno(), 'fun', af_function_type()}.
+
+-type af_integer_range_type() ::
+ {'type', anno(), 'range', [af_singleton_integer_type()]}.
+
+-type af_map_type() :: {'type', anno(), 'map', 'any'}
+ | {'type', anno(), 'map', [af_map_pair_type()]}.
+
+-type af_map_pair_type() ::
+ {'type', anno(), 'map_field_assoc', [abstract_type()]}.
+
+-type af_predefined_type() ::
+ {'type', anno(), type_name(), [abstract_type()]}.
+
+-type af_record_type() ::
+ {'type', anno(), 'record', [(Name :: af_atom()) % [Name, T1, ... Tk]
+ | af_record_field_type()]}.
+
+-type af_record_field_type() ::
+ {'type', anno(), 'field_type', [(Name :: af_atom()) |
+ abstract_type()]}. % [Name, Type]
+
+-type af_remote_type() ::
+ {'remote_type', anno(), [(Module :: af_atom()) |
+ (TypeName :: af_atom()) |
+ [abstract_type()]]}. % [Module, Name, [T]]
+
+-type af_tuple_type() :: {'type', anno(), 'tuple', 'any'}
+ | {'type', anno(), 'tuple', [abstract_type()]}.
+
+-type af_type_union() :: {'type', anno(), 'union', [abstract_type()]}.
+
+-type af_type_variable() :: {'var', anno(), atom()}. % except '_'
+
+-type af_user_defined_type() ::
+ {'user_type', anno(), type_name(), [abstract_type()]}.
+
+-type af_function_type_list() :: [af_constrained_function_type() |
+ af_function_type()].
+
+-type af_constrained_function_type() ::
+ {'type', anno(), 'bounded_fun', [af_function_type() | % [Ft, Fc]
+ af_function_constraint()]}.
+
+-type af_function_type() ::
+ {'type', anno(), 'fun',
+ [{'type', anno(), 'product', [abstract_type()]} | abstract_type()]}.
+
+-type af_function_constraint() :: [af_constraint()].
+
+-type af_constraint() :: {'type', anno(), 'constraint',
+ af_lit_atom('is_subtype'),
+ [af_type_variable() | abstract_type()]}. % [V, T]
+
+-type af_singleton_integer_type() :: af_integer()
+ | af_unary_op(af_singleton_integer_type())
+ | af_binary_op(af_singleton_integer_type()).
+
+-type af_literal() :: af_atom() | af_integer() | af_float() | af_string().
+
+-type af_atom() :: af_lit_atom(atom()).
+
+-type af_lit_atom(A) :: {'atom', anno(), A}.
+
+-type af_integer() :: {'integer', anno(), non_neg_integer()}.
+
+-type af_float() :: {'float', anno(), float()}.
+
+-type af_string() :: {'string', anno(), string()}.
+
+-type af_match(T) :: {'match', anno(), af_pattern(), T}.
+
+-type af_variable() :: {'var', anno(), atom()}. % | af_anon_variable()
+
+%-type af_anon_variable() :: {'var', anno(), '_'}.
+
+-type af_tuple(T) :: {'tuple', anno(), [T]}.
+
+-type af_nil() :: {'nil', anno()}.
+
+-type af_cons(T) :: {'cons', anno(), T, T}.
+
+-type af_bin(T) :: {'bin', anno(), [af_binelement(T)]}.
+
+-type af_binelement(T) :: {'bin_element',
+ anno(),
+ T,
+ af_binelement_size(),
+ type_specifier_list()}.
+
+-type af_binelement_size() :: 'default' | abstract_expr().
+
+-type af_binary_op(T) :: {'op', anno(), binary_op(), T, T}.
+
+-type binary_op() :: '/' | '*' | 'div' | 'rem' | 'band' | 'and' | '+' | '-'
+ | 'bor' | 'bxor' | 'bsl' | 'bsr' | 'or' | 'xor' | '++'
+ | '--' | '==' | '/=' | '=<' | '<' | '>=' | '>' | '=:='
+ | '=/='.
+
+-type af_unary_op(T) :: {'op', anno(), unary_op(), T}.
+
+-type unary_op() :: '+' | '*' | 'bnot' | 'not'.
+
+%% See also lib/stdlib/{src/erl_bits.erl,include/erl_bits.hrl}.
+-type type_specifier_list() :: 'default' | [type_specifier(), ...].
+
+-type type_specifier() :: type()
+ | signedness()
+ | endianness()
+ | unit().
+
+-type type() :: 'integer'
+ | 'float'
+ | 'binary'
+ | 'bytes'
+ | 'bitstring'
+ | 'bits'
+ | 'utf8'
+ | 'utf16'
+ | 'utf32'.
+
+-type signedness() :: 'signed' | 'unsigned'.
+
+-type endianness() :: 'big' | 'little' | 'native'.
+
+-type unit() :: {'unit', 1..256}.
+
+-type record_name() :: atom().
+
+-type af_field_name() :: af_atom().
+
+-type function_name() :: atom().
+
+-type type_name() :: atom().
+
+%% End of Abstract Format
%% XXX. To be refined.
--type abstract_clause() :: term().
--type abstract_expr() :: term().
--type abstract_form() :: term().
-type error_description() :: term().
-type error_info() :: {erl_anno:line(), module(), error_description()}.
-type token() :: erl_scan:token().
@@ -639,14 +1036,8 @@ build_type_spec({Kind,Aa}, {SpecFun, TypeSpecs})
{atom, _, Fun} ->
{Fun, find_arity_from_specs(TypeSpecs)};
{{atom,_, Mod}, {atom,_, Fun}} ->
- {Mod,Fun,find_arity_from_specs(TypeSpecs)};
- {{atom, _, Fun}, {integer, _, Arity}} ->
- %% Old style spec. Allow this for now.
- {Fun,Arity};
- {{atom,_, Mod}, {atom, _, Fun}, {integer, _, Arity}} ->
- %% Old style spec. Allow this for now.
- {Mod,Fun,Arity}
- end,
+ {Mod,Fun,find_arity_from_specs(TypeSpecs)}
+ end,
{attribute,Aa,Kind,{NewSpecFun, TypeSpecs}}.
find_arity_from_specs([Spec|_]) ->
@@ -795,31 +1186,11 @@ record_fields([{match,_Am,{atom,Aa,A},Expr}|Fields]) ->
[{record_field,Aa,{atom,Aa,A},Expr}|record_fields(Fields)];
record_fields([{typed,Expr,TypeInfo}|Fields]) ->
[Field] = record_fields([Expr]),
- TypeInfo1 =
- case Expr of
- {match, _, _, _} -> TypeInfo; %% If we have an initializer.
- {atom, Aa, _} ->
- case has_undefined(TypeInfo) of
- false ->
- lift_unions(abstract2(undefined, Aa), TypeInfo);
- true ->
- TypeInfo
- end
- end,
- [{typed_record_field,Field,TypeInfo1}|record_fields(Fields)];
+ [{typed_record_field,Field,TypeInfo}|record_fields(Fields)];
record_fields([Other|_Fields]) ->
ret_err(?anno(Other), "bad record field");
record_fields([]) -> [].
-has_undefined({atom,_,undefined}) ->
- true;
-has_undefined({ann_type,_,[_,T]}) ->
- has_undefined(T);
-has_undefined({type,_,union,Ts}) ->
- lists:any(fun has_undefined/1, Ts);
-has_undefined(_) ->
- false.
-
term(Expr) ->
try normalise(Expr)
catch _:_R -> ret_err(?anno(Expr), "bad attribute")
@@ -1118,33 +1489,16 @@ type_preop_prec('-') -> {600,700};
type_preop_prec('bnot') -> {600,700};
type_preop_prec('#') -> {700,800}.
-%%% [Experimental]. The parser just copies the attributes of the
-%%% scanner tokens to the abstract format. This design decision has
-%%% been hidden to some extent: use set_line() and get_attribute() to
-%%% access the second element of (almost all) of the abstract format
-%%% tuples. A typical use is to negate line numbers to prevent the
-%%% compiler from emitting warnings and errors. The second element can
-%%% (of course) be set to any value, but then these functions no
-%%% longer apply. To get all present attributes as a property list
-%%% get_attributes() should be used.
-
--compile({nowarn_deprecated_function,{erl_scan,set_attribute,3}}).
-set_line(L, F) ->
- erl_scan:set_attribute(line, L, F).
-
--compile({nowarn_deprecated_function,{erl_scan,attributes_info,2}}).
-get_attribute(L, Name) ->
- erl_scan:attributes_info(L, Name).
-
--compile({nowarn_deprecated_function,{erl_scan,attributes_info,1}}).
-get_attributes(L) ->
- erl_scan:attributes_info(L).
+-type erl_parse_tree() :: abstract_clause()
+ | abstract_expr()
+ | abstract_form()
+ | abstract_type().
-spec map_anno(Fun, Abstr) -> NewAbstr when
Fun :: fun((Anno) -> Anno),
Anno :: erl_anno:anno(),
- Abstr :: abstract_form() | abstract_expr(),
- NewAbstr :: abstract_form() | abstract_expr().
+ Abstr :: erl_parse_tree(),
+ NewAbstr :: erl_parse_tree().
map_anno(F0, Abstr) ->
F = fun(A, Acc) -> {F0(A), Acc} end,
@@ -1157,8 +1511,8 @@ map_anno(F0, Abstr) ->
Acc0 :: term(),
AccIn :: term(),
AccOut :: term(),
- Abstr :: abstract_form() | abstract_expr(),
- NewAbstr :: abstract_form() | abstract_expr().
+ Abstr :: erl_parse_tree(),
+ NewAbstr :: erl_parse_tree().
fold_anno(F0, Acc0, Abstr) ->
F = fun(A, Acc) -> {A, F0(A, Acc)} end,
@@ -1172,26 +1526,26 @@ fold_anno(F0, Acc0, Abstr) ->
Acc1 :: term(),
AccIn :: term(),
AccOut :: term(),
- Abstr :: abstract_form() | abstract_expr(),
- NewAbstr :: abstract_form() | abstract_expr().
+ Abstr :: erl_parse_tree(),
+ NewAbstr :: erl_parse_tree().
mapfold_anno(F, Acc0, Abstr) ->
modify_anno1(Abstr, Acc0, F).
-spec new_anno(Term) -> Abstr when
Term :: term(),
- Abstr :: abstract_form() | abstract_expr().
+ Abstr :: erl_parse_tree().
new_anno(Term) ->
map_anno(fun erl_anno:new/1, Term).
-spec anno_to_term(Abstr) -> term() when
- Abstr :: abstract_form() | abstract_expr().
+ Abstr :: erl_parse_tree().
anno_to_term(Abstract) ->
map_anno(fun erl_anno:to_term/1, Abstract).
--spec anno_from_term(Term) -> abstract_form() | abstract_expr() when
+-spec anno_from_term(Term) -> erl_parse_tree() when
Term :: term().
anno_from_term(Term) ->
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index d2f53816b8..47223b129c 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -52,25 +52,15 @@
%%% External exports
-export([string/1,string/2,string/3,tokens/3,tokens/4,
- format_error/1,reserved_word/1,
- token_info/1,token_info/2,
- attributes_info/1,attributes_info/2,set_attribute/3]).
+ format_error/1,reserved_word/1]).
-export([column/1,end_location/1,line/1,location/1,text/1,
category/1,symbol/1]).
--deprecated([{attributes_info, 1, next_major_release},
- {attributes_info, 2, next_major_release},
- {set_attribute, 3, next_major_release},
- {token_info, 1, next_major_release},
- {token_info, 2, next_major_release}]).
-
%%% Private
-export([continuation_location/1]).
-export_type([error_info/0,
- line/0,
- location/0,
options/0,
return_cont/0,
token/0,
@@ -85,29 +75,18 @@
-define(ALINE(L), is_integer(L)).
-define(STRING(S), is_list(S)).
-define(RESWORDFUN(F), is_function(F, 1)).
--define(SETATTRFUN(F), is_function(F, 1)).
-type category() :: atom().
--type column() :: pos_integer(). % Deprecated
--type line() :: integer(). % Deprecated
--type location() :: line() | {line(),column()}. % Deprecated
-type resword_fun() :: fun((atom()) -> boolean()).
-type option() :: 'return' | 'return_white_spaces' | 'return_comments'
| 'text' | {'reserved_word_fun', resword_fun()}.
-type options() :: option() | [option()].
-type symbol() :: atom() | float() | integer() | string().
--type info_line() :: integer() | term().
--type attributes_data()
- :: [{'column', column()} | {'line', info_line()} | {'text', string()}]
- | {line(), column()}.
-%% The fact that {line(),column()} is a possible attributes() type
-%% is hidden.
--type attributes() :: line() | attributes_data().
--type token() :: {category(), attributes(), symbol()}
- | {category(), attributes()}.
+-type token() :: {category(), Anno :: erl_anno:anno(), symbol()}
+ | {category(), Anno :: erl_anno:anno()}.
-type tokens() :: [token()].
-type error_description() :: term().
--type error_info() :: {location(), module(), error_description()}.
+-type error_info() :: {erl_anno:location(), module(), error_description()}.
%%% Local record.
-record(erl_scan,
@@ -136,8 +115,8 @@ format_error(Other) ->
String :: string(),
Return :: {'ok', Tokens :: tokens(), EndLocation}
| {'error', ErrorInfo :: error_info(), ErrorLocation},
- EndLocation :: location(),
- ErrorLocation :: location().
+ EndLocation :: erl_anno:location(),
+ ErrorLocation :: erl_anno:location().
string(String) ->
string(String, 1, []).
@@ -145,9 +124,9 @@ string(String) ->
String :: string(),
Return :: {'ok', Tokens :: tokens(), EndLocation}
| {'error', ErrorInfo :: error_info(), ErrorLocation},
- StartLocation :: location(),
- EndLocation :: location(),
- ErrorLocation :: location().
+ StartLocation :: erl_anno:location(),
+ EndLocation :: erl_anno:location(),
+ ErrorLocation :: erl_anno:location().
string(String, StartLocation) ->
string(String, StartLocation, []).
@@ -156,9 +135,9 @@ string(String, StartLocation) ->
Options :: options(),
Return :: {'ok', Tokens :: tokens(), EndLocation}
| {'error', ErrorInfo :: error_info(), ErrorLocation},
- StartLocation :: location(),
- EndLocation :: location(),
- ErrorLocation :: location().
+ StartLocation :: erl_anno:location(),
+ EndLocation :: erl_anno:location(),
+ ErrorLocation :: erl_anno:location().
string(String, Line, Options) when ?STRING(String), ?ALINE(Line) ->
string1(String, options(Options), Line, no_col, []);
string(String, {Line,Column}, Options) when ?STRING(String),
@@ -167,20 +146,23 @@ string(String, {Line,Column}, Options) when ?STRING(String),
string1(String, options(Options), Line, Column, []).
-type char_spec() :: string() | 'eof'.
--type cont_fun() :: fun((char_spec(), #erl_scan{}, line(), column(),
+-type cont_fun() :: fun((char_spec(), #erl_scan{},
+ erl_anno:line(), erl_anno:column(),
tokens(), any()) -> any()).
-opaque return_cont() :: {erl_scan_continuation,
- string(), column(), tokens(), line(),
+ string(), erl_anno:column(), tokens(),
+ erl_anno:line(),
#erl_scan{}, any(), cont_fun()}.
--type tokens_result() :: {'ok', Tokens :: tokens(), EndLocation :: location()}
- | {'eof', EndLocation :: location()}
+-type tokens_result() :: {'ok', Tokens :: tokens(),
+ EndLocation :: erl_anno:location()}
+ | {'eof', EndLocation :: erl_anno:location()}
| {'error', ErrorInfo :: error_info(),
- EndLocation :: location()}.
+ EndLocation :: erl_anno:location()}.
-spec tokens(Continuation, CharSpec, StartLocation) -> Return when
Continuation :: return_cont() | [],
CharSpec :: char_spec(),
- StartLocation :: location(),
+ StartLocation :: erl_anno:location(),
Return :: {'done',Result :: tokens_result(),LeftOverChars :: char_spec()}
| {'more', Continuation1 :: return_cont()}.
tokens(Cont, CharSpec, StartLocation) ->
@@ -189,7 +171,7 @@ tokens(Cont, CharSpec, StartLocation) ->
-spec tokens(Continuation, CharSpec, StartLocation, Options) -> Return when
Continuation :: return_cont() | [],
CharSpec :: char_spec(),
- StartLocation :: location(),
+ StartLocation :: erl_anno:location(),
Options :: options(),
Return :: {'done',Result :: tokens_result(),LeftOverChars :: char_spec()}
| {'more', Continuation1 :: return_cont()}.
@@ -257,155 +239,6 @@ symbol({_Category,_Anno,Symbol}) ->
symbol(T) ->
erlang:error(badarg, [T]).
--type attribute_item() :: 'column' | 'length' | 'line'
- | 'location' | 'text'.
--type info_location() :: location() | term().
--type attribute_info() :: {'column', column()}| {'length', pos_integer()}
- | {'line', info_line()}
- | {'location', info_location()}
- | {'text', string()}.
--type token_item() :: 'category' | 'symbol' | attribute_item().
--type token_info() :: {'category', category()} | {'symbol', symbol()}
- | attribute_info().
-
--spec token_info(Token) -> TokenInfo when
- Token :: token(),
- TokenInfo :: [TokenInfoTuple :: token_info()].
-token_info(Token) ->
- Items = [category,column,length,line,symbol,text], % undefined order
- token_info(Token, Items).
-
--spec token_info(Token, TokenItem) -> TokenInfoTuple | 'undefined' when
- Token :: token(),
- TokenItem :: token_item(),
- TokenInfoTuple :: token_info();
- (Token, TokenItems) -> TokenInfo when
- Token :: token(),
- TokenItems :: [TokenItem :: token_item()],
- TokenInfo :: [TokenInfoTuple :: token_info()].
-token_info(_Token, []) ->
- [];
-token_info(Token, [Item|Items]) when is_atom(Item) ->
- case token_info(Token, Item) of
- undefined ->
- token_info(Token, Items);
- TokenInfo when is_tuple(TokenInfo) ->
- [TokenInfo|token_info(Token, Items)]
- end;
-token_info({Category,_Attrs}, category=Item) ->
- {Item,Category};
-token_info({Category,_Attrs,_Symbol}, category=Item) ->
- {Item,Category};
-token_info({Category,_Attrs}, symbol=Item) ->
- {Item,Category};
-token_info({_Category,_Attrs,Symbol}, symbol=Item) ->
- {Item,Symbol};
-token_info({_Category,Attrs}, Item) ->
- attributes_info(Attrs, Item);
-token_info({_Category,Attrs,_Symbol}, Item) ->
- attributes_info(Attrs, Item).
-
--spec attributes_info(Attributes) -> AttributesInfo when
- Attributes :: attributes(),
- AttributesInfo :: [AttributeInfoTuple :: attribute_info()].
-attributes_info(Attributes) ->
- Items = [column,length,line,text], % undefined order
- attributes_info(Attributes, Items).
-
--spec attributes_info
- (Attributes, AttributeItem) -> AttributeInfoTuple | 'undefined' when
- Attributes :: attributes(),
- AttributeItem :: attribute_item(),
- AttributeInfoTuple :: attribute_info();
- (Attributes, AttributeItems) -> AttributeInfo when
- Attributes :: attributes(),
- AttributeItems :: [AttributeItem :: attribute_item()],
- AttributeInfo :: [AttributeInfoTuple :: attribute_info()].
-attributes_info(_Attrs, []) ->
- [];
-attributes_info(Attrs, [A|As]) when is_atom(A) ->
- case attributes_info(Attrs, A) of
- undefined ->
- attributes_info(Attrs, As);
- AttributeInfo when is_tuple(AttributeInfo) ->
- [AttributeInfo|attributes_info(Attrs, As)]
- end;
-attributes_info({Line,Column}, column=Item) when ?ALINE(Line),
- ?COLUMN(Column) ->
- {Item,Column};
-attributes_info(Line, column) when ?ALINE(Line) ->
- undefined;
-attributes_info(Attrs, column=Item) ->
- case attr_info(Attrs, Item) of
- undefined ->
- case erl_anno:column(Attrs) of
- undefined ->
- undefined;
- Column ->
- {Item,Column}
- end;
- T ->
- T
- end;
-attributes_info(Attrs, length=Item) ->
- case attributes_info(Attrs, text) of
- undefined ->
- undefined;
- {text,Text} ->
- {Item,length(Text)}
- end;
-attributes_info(Line, line=Item) when ?ALINE(Line) ->
- {Item,Line};
-attributes_info({Line,Column}, line=Item) when ?ALINE(Line),
- ?COLUMN(Column) ->
- {Item,Line};
-attributes_info(Attrs, line=Item) ->
- case attr_info(Attrs, Item) of
- undefined ->
- case attr_info(Attrs, location) of
- {location,{Line,_Column}} ->
- {Item,Line};
- {location,Line} ->
- {Item,Line};
- undefined ->
- undefined
- end;
- T ->
- T
- end;
-attributes_info({Line,Column}=Location, location=Item) when ?ALINE(Line),
- ?COLUMN(Column) ->
- {Item,Location};
-attributes_info(Line, location=Item) when ?ALINE(Line) ->
- {Item,Line};
-attributes_info(Attrs, location=Item) ->
- {line,Line} = attributes_info(Attrs, line),
- case attributes_info(Attrs, column) of
- undefined ->
- %% If set_attribute() has assigned a term such as {17,42}
- %% to 'line', then Line will look like {Line,Column}. One
- %% should not use 'location' but 'line' and 'column' in
- %% such special cases.
- {Item,Line};
- {column,Column} ->
- {Item,{Line,Column}}
- end;
-attributes_info({Line,Column}, text) when ?ALINE(Line), ?COLUMN(Column) ->
- undefined;
-attributes_info(Line, text) when ?ALINE(Line) ->
- undefined;
-attributes_info(Attrs, text=Item) ->
- attr_info(Attrs, Item);
-attributes_info(T1, T2) ->
- erlang:error(badarg, [T1,T2]).
-
--spec set_attribute(AttributeItem, Attributes, SetAttributeFun) -> Attributes when
- AttributeItem :: 'line',
- Attributes :: attributes(),
- SetAttributeFun :: fun((info_line()) -> info_line()).
-set_attribute(Tag, Attributes, Fun) when ?SETATTRFUN(Fun) ->
- set_attr(Tag, Attributes, Fun).
-
%%%
%%% Local functions
%%%
@@ -471,62 +304,6 @@ expand_opt(return, Os) ->
expand_opt(O, Os) ->
[O|Os].
-attr_info(Attrs, Item) ->
- try lists:keyfind(Item, 1, Attrs) of
- {_Item, _Value} = T ->
- T;
- false ->
- undefined
- catch
- _:_ ->
- erlang:error(badarg, [Attrs, Item])
- end.
-
--spec set_attr('line', attributes(), fun((line()) -> line())) -> attributes().
-
-set_attr(line, Line, Fun) when ?ALINE(Line) ->
- Ln = Fun(Line),
- if
- ?ALINE(Ln) ->
- Ln;
- true ->
- [{line,Ln}]
- end;
-set_attr(line, {Line,Column}, Fun) when ?ALINE(Line), ?COLUMN(Column) ->
- Ln = Fun(Line),
- if
- ?ALINE(Ln) ->
- {Ln,Column};
- true ->
- [{line,Ln},{column,Column}]
- end;
-set_attr(line=Tag, Attrs, Fun) when is_list(Attrs) ->
- case lists:keyfind(Tag, 1, Attrs) of
- {line,Line} ->
- case lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)}) of
- [{line,Ln}] when ?ALINE(Ln) ->
- Ln;
- As ->
- As
- end;
- false ->
- {location, Location} = lists:keyfind(location, 1, Attrs),
- Ln = case Location of
- {Line,Column} when ?ALINE(Line), ?COLUMN(Column) ->
- {Fun(Line),Column};
- _ ->
- Fun(Location)
- end,
- case lists:keyreplace(location, 1, Attrs, {location,Ln}) of
- [{location,Ln}] when ?ALINE(Ln) ->
- Ln;
- As ->
- As
- end
- end;
-set_attr(T1, T2, T3) ->
- erlang:error(badarg, [T1,T2,T3]).
-
tokens1(Cs, St, Line, Col, Toks, Fun, Any) when ?STRING(Cs); Cs =:= eof ->
case Fun(Cs, St, Line, Col, Toks, Any) of
{more,{Cs0,Ncol,Ntoks,Nline,Nany,Nfun}} ->
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index 41b49f4a86..b8ce311c35 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -38,7 +38,7 @@
-record(state, {file :: file:filename(),
module :: module(),
forms_or_bin,
- source :: source(),
+ source :: source() | 'undefined',
n_errors :: non_neg_integer(),
mode :: mode(),
exports_main :: boolean(),
@@ -49,9 +49,9 @@
-type emu_args() :: string().
-record(sections, {type,
- shebang :: shebang(),
- comment :: comment(),
- emu_args :: emu_args(),
+ shebang :: shebang() | 'undefined',
+ comment :: comment() | 'undefined',
+ emu_args :: emu_args() | 'undefined',
body}).
-record(extract_options, {compile_source}).
diff --git a/lib/stdlib/src/file_sorter.erl b/lib/stdlib/src/file_sorter.erl
index 0d50392b96..3aeaff8dc4 100644
--- a/lib/stdlib/src/file_sorter.erl
+++ b/lib/stdlib/src/file_sorter.erl
@@ -307,7 +307,6 @@ options(Option) ->
options([{format, Format} | L], Opts) when Format =:= binary;
Format =:= term;
- is_function(Format),
is_function(Format, 1) ->
options(L, Opts#opts{format = Format});
options([{format, binary_term} | L], Opts) ->
@@ -326,7 +325,7 @@ options([{tmpdir, Dir} | L], Opts) ->
FileName ->
options(L, Opts#opts{tmpdir = {dir, FileName}})
end;
-options([{order, Fun} | L], Opts) when is_function(Fun), is_function(Fun, 2) ->
+options([{order, Fun} | L], Opts) when is_function(Fun, 2) ->
options(L, Opts#opts{order = Fun});
options([{order, Order} | L], Opts) when Order =:= ascending;
Order =:= descending ->
@@ -411,7 +410,7 @@ merge_terms_fun(RFun) ->
case RFun(read) of
end_of_input ->
eof;
- {Objs, NRFun} when is_function(NRFun), is_function(NRFun, 1) ->
+ {Objs, NRFun} when is_function(NRFun, 1) ->
{_, [], Ts, _} = fun_objs(Objs, [], 0, ?MAXSIZE, I, W),
{{I, Ts, ?CHUNKSIZE}, merge_terms_fun(NRFun)};
Error ->
@@ -427,13 +426,12 @@ merge_bins_fun(FileName) ->
Fun(A)
end.
-wrap_output_terms(term, OutFun, _Z) when is_function(OutFun),
- is_function(OutFun, 1) ->
+wrap_output_terms(term, OutFun, _Z) when is_function(OutFun, 1) ->
{fun_wterms(OutFun), true};
wrap_output_terms(term, File, Z) when File =/= undefined ->
{file_wterms(name, File, Z++[write]), false};
wrap_output_terms(_Format, Output, _Z) ->
- {Output, is_function(Output) and is_function(Output, 1)}.
+ {Output, is_function(Output, 1)}.
binary_term_fun() ->
fun binary_to_term/1.
@@ -1311,8 +1309,7 @@ infun(W) ->
{end_of_input, W1};
{end_of_input, Value} ->
{end_of_input, W1#w{inout_value = {value, Value}}};
- {Objs, NFun} when is_function(NFun),
- is_function(NFun, 1),
+ {Objs, NFun} when is_function(NFun, 1),
is_list(Objs) ->
{cont, W#w{in = NFun}, Objs};
Error ->
@@ -1335,7 +1332,7 @@ outfun(A, W) ->
try (W#w.out)(A) of
Reply when A =:= close ->
Reply;
- NF when is_function(NF), is_function(NF, 1) ->
+ NF when is_function(NF, 1) ->
W#w{out = NF};
Error ->
error(Error, W1)
@@ -1360,7 +1357,7 @@ is_keyposs([Bad | _]) ->
is_keyposs(Bad) ->
{badarg, Bad}.
-is_input(Fun) when is_function(Fun), is_function(Fun, 1) ->
+is_input(Fun) when is_function(Fun, 1) ->
{true, Fun};
is_input(Files) ->
is_files(Files).
@@ -1380,7 +1377,7 @@ is_files([], L) ->
is_files(Bad, _L) ->
{badarg, Bad}.
-maybe_output(Fun) when is_function(Fun), is_function(Fun, 1) ->
+maybe_output(Fun) when is_function(Fun, 1) ->
{true, Fun};
maybe_output(File) ->
case read_file_info(File) of
@@ -1589,7 +1586,6 @@ fun_rterms(InFun) ->
(read) ->
case InFun(read) of
{Ts, NInFun} when is_list(Ts),
- is_function(NInFun),
is_function(NInFun, 1) ->
{to_bin(Ts, []), fun_rterms(NInFun)};
Else ->
@@ -1602,7 +1598,7 @@ fun_wterms(OutFun) ->
OutFun(close);
(L) ->
case OutFun(wterms_arg(L)) of
- NOutFun when is_function(NOutFun), is_function(NOutFun, 1) ->
+ NOutFun when is_function(NOutFun, 1) ->
fun_wterms(NOutFun);
Else ->
Else
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 008beb8b67..d921a69108 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -36,6 +36,7 @@
extension/1, join/1, join/2, pathtype/1,
rootname/1, rootname/2, split/1, nativename/1]).
-export([find_src/1, find_src/2, flatten/1]).
+-export([basedir/2, basedir/3]).
%% Undocumented and unsupported exports.
-export([append/2]).
@@ -139,6 +140,7 @@ absname_join(AbsBase, Name) ->
-spec basename(Filename) -> file:filename_all() when
Filename :: file:name_all().
+
basename(Name) when is_binary(Name) ->
case os:type() of
{win32,_} ->
@@ -954,3 +956,161 @@ filename_string_to_binary(List) ->
Bin
end.
+%% Application Base Directories
+%% basedir
+%% http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+
+-type basedir_type() :: 'user_cache' | 'user_config' | 'user_data'
+ | 'user_log'
+ | 'site_config' | 'site_data'.
+
+-spec basedir(Type,Application) -> file:filename_all() when
+ Type :: basedir_type(),
+ Application :: string() | binary().
+
+basedir(Type,Application) when is_atom(Type), is_list(Application) orelse
+ is_binary(Application) ->
+ basedir(Type, Application, #{}).
+
+-spec basedir(Type,Application,Opts) -> file:filename_all() when
+ Type :: basedir_type(),
+ Application :: string() | binary(),
+ Opts :: #{author => string() | binary(),
+ os => 'windows' | 'darwin' | 'linux',
+ version => string() | binary()}.
+
+basedir(Type,Application,Opts) when is_atom(Type), is_map(Opts),
+ is_list(Application) orelse
+ is_binary(Application) ->
+ Os = basedir_os_from_opts(Opts),
+ Name = basedir_name_from_opts(Os,Application,Opts),
+ Base = basedir_from_os(Type,Os),
+ case {Type,Os} of
+ {user_log,linux} ->
+ filename:join([Base,Name,"log"]);
+ {user_log,windows} ->
+ filename:join([Base,Name,"Logs"]);
+ {user_cache,windows} ->
+ filename:join([Base,Name,"Cache"]);
+ {Type,_} when Type =:= site_config orelse Type =:= site_data ->
+ [filename:join([B,Name]) || B <- Base];
+ _ ->
+ filename:join([Base,Name])
+ end.
+
+basedir_os_from_opts(#{os := linux}) -> linux;
+basedir_os_from_opts(#{os := windows}) -> windows;
+basedir_os_from_opts(#{os := darwin}) -> darwin;
+basedir_os_from_opts(#{}) -> basedir_os_type().
+
+basedir_name_from_opts(windows,App,#{author:=Author,version:=Vsn}) ->
+ filename:join([Author,App,Vsn]);
+basedir_name_from_opts(windows,App,#{author:=Author}) ->
+ filename:join([Author,App]);
+basedir_name_from_opts(_,App,#{version:=Vsn}) ->
+ filename:join([App,Vsn]);
+basedir_name_from_opts(_,App,_) ->
+ App.
+
+basedir_from_os(Type,Os) ->
+ case Os of
+ linux -> basedir_linux(Type);
+ darwin -> basedir_darwin(Type);
+ windows -> basedir_windows(Type)
+ end.
+
+-define(basedir_linux_user_data, ".local/share").
+-define(basedir_linux_user_config, ".config").
+-define(basedir_linux_user_cache, ".cache").
+-define(basedir_linux_user_log, ".cache"). %% .cache/App/log
+-define(basedir_linux_site_data, "/usr/local/share/:/usr/share/").
+-define(basedir_linux_site_config, "/etc/xdg").
+
+basedir_linux(Type) ->
+ case Type of
+ user_data -> getenv("XDG_DATA_HOME", ?basedir_linux_user_data, true);
+ user_config -> getenv("XDG_CONFIG_HOME",?basedir_linux_user_config,true);
+ user_cache -> getenv("XDG_CACHE_HOME", ?basedir_linux_user_cache, true);
+ 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,":");
+ site_config ->
+ Base = getenv("XDG_CONFIG_DIRS",?basedir_linux_site_config,false),
+ string:tokens(Base,":")
+ end.
+
+-define(basedir_darwin_user_data, "Library/Application Support").
+-define(basedir_darwin_user_config, "Library/Application Support").
+-define(basedir_darwin_user_cache, "Library/Caches").
+-define(basedir_darwin_user_log, "Library/Logs").
+-define(basedir_darwin_site_data, "/Library/Application Support").
+-define(basedir_darwin_site_config, "/Library/Application Support").
+
+basedir_darwin(Type) ->
+ case Type of
+ user_data -> basedir_join_home(?basedir_darwin_user_data);
+ user_config -> basedir_join_home(?basedir_darwin_user_config);
+ user_cache -> basedir_join_home(?basedir_darwin_user_cache);
+ user_log -> basedir_join_home(?basedir_darwin_user_log);
+ site_data -> [?basedir_darwin_site_data];
+ site_config -> [?basedir_darwin_site_config]
+ end.
+
+%% On Windows:
+%% ex. C:\Users\egil\AppData\Local\Ericsson\Erlang
+%% %LOCALAPPDATA% is defined on Windows 7 and onwards
+%% %APPDATA% is used instead of %LOCALAPPDATA% if it's not defined.
+%% %APPDATA% is used for roaming, i.e. for user_config on Windows 7 and beyond.
+%%
+%% user_data %LOCALAPPDATA%[/$author]/$appname[/$version]
+%% user_config %APPDATA%[/$author]/$appname[/$version]
+%% user_cache %LOCALAPPDATA%[/$author]/$appname[/$version]/Cache
+%% user_log %LOCALAPPDATA%[/$author]/$appname[/$version]/Logs
+
+basedir_windows(Type) ->
+ %% If LOCALAPPDATA is not defined we are likely on an
+ %% XP machine. Use APPDATA instead.
+ AppData = basedir_windows_appdata(),
+ case Type of
+ user_data -> getenv("LOCALAPPDATA", AppData);
+ user_config -> AppData;
+ user_cache -> getenv("LOCALAPPDATA", AppData);
+ user_log -> getenv("LOCALAPPDATA", AppData);
+ site_data -> [];
+ site_config -> []
+ end.
+
+basedir_windows_appdata() ->
+ case os:getenv("APPDATA") of
+ Invalid when Invalid =:= false orelse Invalid =:= [] ->
+ erlang:error(noappdata);
+ Val -> Val
+ end.
+
+%% basedir aux
+
+getenv(K,Def,false) -> getenv(K,Def);
+getenv(K,Def,true) -> getenv(K,basedir_join_home(Def)).
+
+getenv(K,Def) ->
+ case os:getenv(K) of
+ [] -> Def;
+ false -> Def;
+ Val -> Val
+ end.
+
+basedir_join_home(Dir) ->
+ case os:getenv("HOME") of
+ false ->
+ {ok,[[Home]]} = init:get_argument(home),
+ filename:join(Home,Dir);
+ Home -> filename:join(Home,Dir)
+ end.
+
+basedir_os_type() ->
+ case os:type() of
+ {unix,darwin} -> darwin;
+ {win32,_} -> windows;
+ _ -> linux
+ end.
diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index 284f2e5a2b..f510f61e9f 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -444,7 +444,7 @@ scan_erl_form(Io, Prompt, Pos0, Options) ->
%% Parsing Erlang code.
-type parse_ret() :: {'ok',
- ExprList :: erl_parse:abstract_expr(),
+ ExprList :: [erl_parse:abstract_expr()],
EndLocation :: location()}
| {'eof', EndLocation :: location()}
| {'error',
@@ -631,41 +631,20 @@ io_requests(Pid, [], [Rs|Cont], Tail) ->
io_requests(_Pid, [], [], _Tail) ->
{false,[]}.
-
-bc_req(Pid,{Op,Enc,Param},MaybeConvert) ->
- case net_kernel:dflag_unicode_io(Pid) of
- true ->
- {false,{Op,Enc,Param}};
- false ->
- {MaybeConvert,{Op,Param}}
- end;
-bc_req(Pid,{Op,Enc,P,F},MaybeConvert) ->
- case net_kernel:dflag_unicode_io(Pid) of
- true ->
- {false,{Op,Enc,P,F}};
- false ->
- {MaybeConvert,{Op,P,F}}
- end;
-bc_req(Pid, {Op,Enc,M,F,A},MaybeConvert) ->
+bc_req(Pid, Req0, MaybeConvert) ->
case net_kernel:dflag_unicode_io(Pid) of
true ->
- {false,{Op,Enc,M,F,A}};
+ %% The most common case. A modern i/o server.
+ {false,Req0};
false ->
- {MaybeConvert,{Op,M,F,A}}
- end;
-bc_req(Pid, {Op,Enc,P,M,F,A},MaybeConvert) ->
- case net_kernel:dflag_unicode_io(Pid) of
- true ->
- {false,{Op,Enc,P,M,F,A}};
- false ->
- {MaybeConvert,{Op,P,M,F,A}}
- end;
-bc_req(Pid,{Op,Enc},MaybeConvert) ->
- case net_kernel:dflag_unicode_io(Pid) of
- true ->
- {false,{Op, Enc}};
- false ->
- {MaybeConvert,Op}
+ %% Backward compatibility only. Unlikely to ever happen.
+ case tuple_to_list(Req0) of
+ [Op,_Enc] ->
+ {MaybeConvert,Op};
+ [Op,_Enc|T] ->
+ Req = list_to_tuple([Op|T]),
+ {MaybeConvert,Req}
+ end
end.
io_request(Pid, {write,Term}) ->
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index b67b6f75d7..24b5fde1db 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -307,15 +307,18 @@ cleanup_filename({Old,OldRec,OldWarnings}) ->
add_record_definition({Name,FieldList}) ->
{KeyList,_} = lists:foldl(
- fun({record_field,_,{atom,Line0,FieldName}},{L,C}) ->
- {[{FieldName,C,{atom,Line0,undefined}}|L],C+1};
- ({record_field,_,{atom,_,FieldName},Def},{L,C}) ->
- {[{FieldName,C,Def}|L],C+1}
- end,
+ fun(F, {L,C}) -> {[record_field(F, C)|L],C+1} end,
{[],2},
FieldList),
put_records([{Name,KeyList}|get_records()]).
+record_field({record_field,_,{atom,Line0,FieldName}}, C) ->
+ {FieldName,C,{atom,Line0,undefined}};
+record_field({record_field,_,{atom,_,FieldName},Def}, C) ->
+ {FieldName,C,Def};
+record_field({typed_record_field,Field,_Type}, C) ->
+ record_field(Field, C).
+
forms([F0|Fs0]) ->
F1 = form(F0),
Fs1 = forms(Fs0),
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 9d394e19d7..6f546da7b8 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -588,49 +588,40 @@ obsolete_1(asn1rt, utf8_list_to_binary, 1) ->
%% Added in OTP 18.
obsolete_1(core_lib, get_anno, 1) ->
- {deprecated,{cerl,get_ann,1}};
+ {removed,{cerl,get_ann,1},"19"};
obsolete_1(core_lib, set_anno, 2) ->
- {deprecated,{cerl,set_ann,2}};
+ {removed,{cerl,set_ann,2},"19"};
obsolete_1(core_lib, is_literal, 1) ->
- {deprecated,{cerl,is_literal,1}};
+ {removed,{cerl,is_literal,1},"19"};
obsolete_1(core_lib, is_literal_list, 1) ->
- {deprecated,"deprecated; use lists:all(fun cerl:is_literal/1, L)"
+ {removed,"removed; use lists:all(fun cerl:is_literal/1, L)"
" instead"};
obsolete_1(core_lib, literal_value, 1) ->
- {deprecated,{core_lib,concrete,1}};
+ {removed,{core_lib,concrete,1},"19"};
obsolete_1(erl_scan, set_attribute, 3) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use erl_anno:set_line/2 instead"};
+ {removed,{erl_anno,set_line,2},"19.0"};
obsolete_1(erl_scan, attributes_info, 1) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use "
+ {removed,"removed in 19.0; use "
"erl_anno:{column,line,location,text}/1 instead"};
obsolete_1(erl_scan, attributes_info, 2) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use "
+ {removed,"removed in 19.0; use "
"erl_anno:{column,line,location,text}/1 instead"};
obsolete_1(erl_scan, token_info, 1) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use "
+ {removed,"removed in 19.0; use "
"erl_scan:{category,column,line,location,symbol,text}/1 instead"};
obsolete_1(erl_scan, token_info, 2) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use "
+ {removed,"removed in 19.0; use "
"erl_scan:{category,column,line,location,symbol,text}/1 instead"};
obsolete_1(erl_parse, set_line, 2) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use erl_anno:set_line/2 instead"};
+ {removed,{erl_anno,set_line,2},"19.0"};
obsolete_1(erl_parse, get_attributes, 1) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use "
+ {removed,"removed in 19.0; use "
"erl_anno:{column,line,location,text}/1 instead"};
obsolete_1(erl_parse, get_attribute, 2) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use "
+ {removed,"removed in 19.0; use "
"erl_anno:{column,line,location,text}/1 instead"};
obsolete_1(erl_lint, modify_line, 2) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use erl_parse:map_anno/2 instead"};
+ {removed,{erl_parse,map_anno,2},"19.0"};
obsolete_1(ssl, negotiated_next_protocol, 1) ->
{deprecated,{ssl,negotiated_protocol,1}};
@@ -650,8 +641,16 @@ obsolete_1(httpd_conf, is_file, 1) ->
obsolete_1(httpd_conf, make_integer, 1) ->
{deprecated, "deprecated; use erlang:list_to_integer/1 instead"};
+%% Added in OTP 19.
+
+obsolete_1(random, _, _) ->
+ {deprecated, "the 'random' module is deprecated; "
+ "use the 'rand' module instead"};
+obsolete_1(code, rehash, 0) ->
+ {deprecated, "deprecated because the code path cache feature has been removed"};
+
obsolete_1(overload, _, _) ->
- {deprecated, "deprecated; will be removed in OTP 19"};
+ {removed, "removed in OTP 19"};
obsolete_1(_, _, _) ->
no.
@@ -705,6 +704,7 @@ is_snmp_agent_function(_, _) -> false.
-spec obsolete_type(module(), atom(), arity()) ->
'no' | {tag(), string()} | {tag(), mfas(), release()}.
+-dialyzer({no_match, obsolete_type/3}).
obsolete_type(Module, Name, NumberOfVariables) ->
case obsolete_type_1(Module, Name, NumberOfVariables) of
{deprecated=Tag,{_,_,_}=Replacement} ->
@@ -718,13 +718,10 @@ obsolete_type(Module, Name, NumberOfVariables) ->
end.
obsolete_type_1(erl_scan,column,0) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use erl_anno:column() instead"};
+ {removed,{erl_anno,column,0},"19.0"};
obsolete_type_1(erl_scan,line,0) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use erl_anno:line() instead"};
+ {removed,{erl_anno,line,0},"19.0"};
obsolete_type_1(erl_scan,location,0) ->
- {deprecated,
- "deprecated (will be removed in OTP 19); use erl_anno:location() instead"};
+ {removed,{erl_anno,location,0},"19.0"};
obsolete_type_1(_,_,_) ->
no.
diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl
index 1ae7c6cc25..b396ba7057 100644
--- a/lib/stdlib/src/qlc.erl
+++ b/lib/stdlib/src/qlc.erl
@@ -810,21 +810,21 @@ options(Options0, [Key | Keys], L) when is_list(Options0) ->
{ok, U};
{pre_fun, U=undefined} ->
{ok, U};
- {info_fun, Fun} when is_function(Fun), is_function(Fun, 1) ->
+ {info_fun, Fun} when is_function(Fun, 1) ->
{ok, Fun};
- {pre_fun, Fun} when is_function(Fun), is_function(Fun, 1) ->
+ {pre_fun, Fun} when is_function(Fun, 1) ->
{ok, Fun};
- {post_fun, Fun} when is_function(Fun), is_function(Fun, 0) ->
+ {post_fun, Fun} when is_function(Fun, 0) ->
{ok, Fun};
- {lookup_fun, Fun} when is_function(Fun), is_function(Fun, 2) ->
+ {lookup_fun, Fun} when is_function(Fun, 2) ->
{ok, Fun};
{max_lookup, Max} when is_integer(Max), Max >= 0 ->
{ok, Max};
{max_lookup, infinity} ->
{ok, -1};
- {format_fun, Fun} when is_function(Fun), is_function(Fun, 1) ->
+ {format_fun, Fun} when is_function(Fun, 1) ->
{ok, Fun};
- {parent_fun, Fun} when is_function(Fun), is_function(Fun, 0) ->
+ {parent_fun, Fun} when is_function(Fun, 0) ->
{ok, Fun};
{key_equality, KE='=='} ->
{ok, KE};
@@ -887,7 +887,7 @@ options(Options0, [Key | Keys], L) when is_list(Options0) ->
{depth, Depth} when Depth =:= infinity;
is_integer(Depth), Depth >= 0 ->
{ok, Depth};
- {order, Order} when is_function(Order), is_function(Order, 2);
+ {order, Order} when is_function(Order, 2);
(Order =:= ascending);
(Order =:= descending) ->
{ok, Order};
diff --git a/lib/stdlib/src/qlc_pt.erl b/lib/stdlib/src/qlc_pt.erl
index 9577d17a85..e4b9768b12 100644
--- a/lib/stdlib/src/qlc_pt.erl
+++ b/lib/stdlib/src/qlc_pt.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2016. 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.
@@ -200,7 +200,7 @@ exclude_integers_from_unique_line_numbers(Forms, NodeInfo) ->
find_integers(Forms) ->
F = fun(A) ->
- Fs1 = erl_parse:map_anno(fun(_) -> A end, Forms),
+ Fs1 = map_anno(fun(_) -> A end, Forms),
ordsets:from_list(integers(Fs1, []))
end,
ordsets:to_list(ordsets:intersection(F(anno0()), F(anno1()))).
@@ -319,13 +319,13 @@ badarg(Forms, State) ->
E0.
lc_nodes(E, NodeInfo) ->
- erl_parse:map_anno(fun(Anno) ->
- N = erl_anno:line(Anno),
- [{N, Data}] = ets:lookup(NodeInfo, N),
- NData = Data#{inside_lc => true},
- true = ets:insert(NodeInfo, {N, NData}),
- Anno
- end, E).
+ map_anno(fun(Anno) ->
+ N = erl_anno:line(Anno),
+ [{N, Data}] = ets:lookup(NodeInfo, N),
+ NData = Data#{inside_lc => true},
+ true = ets:insert(NodeInfo, {N, NData}),
+ Anno
+ end, E).
used_genvar_messages(MsL, S) ->
[{File,[{Loc,?APIMOD,{used_generator_variable,V}}]}
@@ -416,7 +416,7 @@ intro_anno(LC, Where, QId, NodeInfo) ->
true = ets:insert(NodeInfo, {Location,Data}),
Anno
end,
- erl_parse:map_anno(Fun, save_anno(LC, NodeInfo)).
+ map_anno(Fun, save_anno(LC, NodeInfo)).
compile_errors(FormsNoShadows) ->
case compile_forms(FormsNoShadows, []) of
@@ -1650,7 +1650,7 @@ reset_anno(T) ->
set_anno(T, anno0()).
set_anno(T, A) ->
- erl_parse:map_anno(fun(_L) -> A end, T).
+ map_anno(fun(_L) -> A end, T).
-record(fstate, {state, bind_fun, imported}).
@@ -1914,9 +1914,9 @@ expand_pattern_records(P, State) ->
expand_expr_records(E, State) ->
RecordDefs = State#state.records,
A = anno1(),
- Forms = RecordDefs ++ [{function,A,foo,0,[{clause,A,[],[],[pe(E)]}]}],
- [{function,_,foo,0,[{clause,_,[],[],[NE]}]}] =
- erl_expand_records:module(Forms, [no_strict_record_tests]),
+ Forms0 = RecordDefs ++ [{function,A,foo,0,[{clause,A,[],[],[pe(E)]}]}],
+ Forms = erl_expand_records:module(Forms0, [no_strict_record_tests]),
+ {function,_,foo,0,[{clause,_,[],[],[NE]}]} = lists:last(Forms),
NE.
%% Partial evaluation.
@@ -2609,7 +2609,7 @@ save_anno(Abstr, NodeInfo) ->
true = ets:insert(NodeInfo, Data),
erl_anno:new(N)
end,
- erl_parse:map_anno(F, Abstr).
+ map_anno(F, Abstr).
next_slot(T) ->
I = ets:update_counter(T, var_n, 1),
@@ -2633,7 +2633,7 @@ restore_anno(Abstr, NodeInfo) ->
Anno
end
end,
- erl_parse:map_anno(F, Abstr).
+ map_anno(F, Abstr).
restore_loc(Location, #state{node_info = NodeInfo}) ->
case ets:lookup(NodeInfo, Location) of
@@ -2872,6 +2872,14 @@ var_mapfold(F, A0, [E0 | Es0]) ->
var_mapfold(_F, A, E) ->
{E, A}.
+map_anno(F, AbstrList) when is_list(AbstrList) ->
+ [map_anno1(F, Abstr) || Abstr <- AbstrList];
+map_anno(F, Abstr) ->
+ map_anno1(F, Abstr).
+
+map_anno1(F, Abstr) ->
+ erl_parse:map_anno(F, Abstr).
+
family_list(L) ->
sofs:to_external(family(L)).
diff --git a/lib/stdlib/src/random.erl b/lib/stdlib/src/random.erl
index 8b67cde56c..8b639dd0a7 100644
--- a/lib/stdlib/src/random.erl
+++ b/lib/stdlib/src/random.erl
@@ -18,6 +18,7 @@
%% %CopyrightEnd%
%%
-module(random).
+-deprecated(module).
%% Reasonable random number generator.
%% The method is attributed to B. A. Wichmann and I. D. Hill
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index ce1d9eb0ff..82a3a2be4f 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -917,9 +917,9 @@ expand_records(UsedRecords, E0) ->
RecordDefs = [Def || {_Name,Def} <- UsedRecords],
L = erl_anno:new(1),
E = prep_rec(E0),
- Forms = RecordDefs ++ [{function,L,foo,0,[{clause,L,[],[],[E]}]}],
- [{function,L,foo,0,[{clause,L,[],[],[NE]}]}] =
- erl_expand_records:module(Forms, [strict_record_tests]),
+ Forms0 = RecordDefs ++ [{function,L,foo,0,[{clause,L,[],[],[E]}]}],
+ Forms = erl_expand_records:module(Forms0, [strict_record_tests]),
+ {function,L,foo,0,[{clause,L,[],[],[NE]}]} = lists:last(Forms),
prep_rec(NE).
prep_rec({value,_CommandN,_V}=Value) ->
@@ -1081,6 +1081,8 @@ record_fields([{record_field,_,{atom,_,Field}} | Fs]) ->
[Field | record_fields(Fs)];
record_fields([{record_field,_,{atom,_,Field},_} | Fs]) ->
[Field | record_fields(Fs)];
+record_fields([{typed_record_field,Field,_Type} | Fs]) ->
+ record_fields([Field | Fs]);
record_fields([]) ->
[].
diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl
index 24fc8ce204..4e629a5e56 100644
--- a/lib/stdlib/src/slave.erl
+++ b/lib/stdlib/src/slave.erl
@@ -289,10 +289,7 @@ register_unique_name(Number) ->
%% no need to use rsh.
mk_cmd(Host, Name, Args, Waiter, Prog0) ->
- Prog = case os:type() of
- {ose,_} -> mk_ose_prog(Prog0);
- _ -> quote_progname(Prog0)
- end,
+ Prog = quote_progname(Prog0),
BasicCmd = lists:concat([Prog,
" -detached -noinput -master ", node(),
" ", long_or_short(), Name, "@", Host,
@@ -312,24 +309,6 @@ mk_cmd(Host, Name, Args, Waiter, Prog0) ->
end
end.
-%% On OSE we have to pass the beam arguments directory to the slave
-%% process. To find out what arguments that should be passed on we
-%% make an assumption. All arguments after the last "--" should be
-%% skipped. So given these arguments:
-%% -Muycs256 -A 1 -- -root /mst/ -progname beam.debug.smp -- -home /mst/ -- -kernel inetrc '"/mst/inetrc.conf"' -- -name test@localhost
-%% we send
-%% -Muycs256 -A 1 -- -root /mst/ -progname beam.debug.smp -- -home /mst/ -- -kernel inetrc '"/mst/inetrc.conf"' --
-%% to the slave with whatever other args that are added in mk_cmd.
-mk_ose_prog(Prog) ->
- SkipTail = fun("--",[]) ->
- ["--"];
- (_,[]) ->
- [];
- (Arg,Args) ->
- [Arg," "|Args]
- end,
- [Prog,tl(lists:foldr(SkipTail,[],erlang:system_info(emu_args)))].
-
%% This is an attempt to distinguish between spaces in the program
%% path and spaces that separate arguments. The program is quoted to
%% allow spaces in the path.
diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src
index 8a313591a7..15d8857656 100644
--- a/lib/stdlib/src/stdlib.appup.src
+++ b/lib/stdlib/src/stdlib.appup.src
@@ -18,9 +18,9 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"2\\.[5-8](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-18.*
- {<<"2\\.[0-4](\\.[0-9]+)*">>,[restart_new_emulator]}], % 17.0-17.5
+ [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
+ {<<"2\\.[5-8](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-18.*
%% Down to - max one major revision back
- [{<<"2\\.[5-8](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-18.*
- {<<"2\\.[0-4](\\.[0-9]+)*">>,[restart_new_emulator]}] % 17.0-17.5
+ [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
+ {<<"2\\.[5-8](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-18.*
}.
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index cecdebd0c8..0400c845ab 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. 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.
@@ -110,11 +110,13 @@
-define(SET, sets:set).
-record(state, {name,
- strategy :: strategy(),
+ strategy :: strategy() | 'undefined',
children = [] :: [child_rec()],
- dynamics :: ?DICT(pid(), list()) | ?SET(pid()),
- intensity :: non_neg_integer(),
- period :: pos_integer(),
+ dynamics :: {'dict', ?DICT(pid(), list())}
+ | {'set', ?SET(pid())}
+ | 'undefined',
+ intensity :: non_neg_integer() | 'undefined',
+ period :: pos_integer() | 'undefined',
restarts = [],
dynamic_restarts = 0 :: non_neg_integer(),
module,
@@ -579,7 +581,7 @@ handle_cast({try_again_restart,Pid}, #state{children=[Child]}=State)
when ?is_simple(State) ->
RT = Child#child.restart_type,
RPid = restarting(Pid),
- case dynamic_child_args(RPid, dynamics_db(RT, State#state.dynamics)) of
+ case dynamic_child_args(RPid, RT, State#state.dynamics) of
{ok, Args} ->
{M, F, _} = Child#child.mfargs,
NChild = Child#child{pid = RPid, mfargs = {M, F, Args}},
@@ -737,7 +739,7 @@ handle_start_child(Child, State) ->
restart_child(Pid, Reason, #state{children = [Child]} = State) when ?is_simple(State) ->
RestartType = Child#child.restart_type,
- case dynamic_child_args(Pid, dynamics_db(RestartType, State#state.dynamics)) of
+ case dynamic_child_args(Pid, RestartType, State#state.dynamics) of
{ok, Args} ->
{M, F, _} = Child#child.mfargs,
NChild = Child#child{pid = Pid, mfargs = {M, F, Args}},
@@ -821,16 +823,18 @@ restart(simple_one_for_one, Child, State0) ->
State#state.dynamics)),
case do_start_child_i(M, F, A) of
{ok, Pid} ->
- NState = State#state{dynamics = ?DICTS:store(Pid, A, Dynamics)},
+ DynamicsDb = {dict, ?DICTS:store(Pid, A, Dynamics)},
+ NState = State#state{dynamics = DynamicsDb},
{ok, NState};
{ok, Pid, _Extra} ->
- NState = State#state{dynamics = ?DICTS:store(Pid, A, Dynamics)},
+ DynamicsDb = {dict, ?DICTS:store(Pid, A, Dynamics)},
+ NState = State#state{dynamics = DynamicsDb},
{ok, NState};
{error, Error} ->
NRestarts = State#state.dynamic_restarts + 1,
+ DynamicsDb = {dict, ?DICTS:store(restarting(OldPid), A, Dynamics)},
NState = State#state{dynamic_restarts = NRestarts,
- dynamics = ?DICTS:store(restarting(OldPid), A,
- Dynamics)},
+ dynamics = DynamicsDb},
report_error(start_error, Error, Child, State#state.name),
{try_again, NState}
end;
@@ -1113,31 +1117,32 @@ save_child(Child, #state{children = Children} = State) ->
State#state{children = [Child |Children]}.
save_dynamic_child(temporary, Pid, _, #state{dynamics = Dynamics} = State) ->
- State#state{dynamics = ?SETS:add_element(Pid, dynamics_db(temporary, Dynamics))};
+ DynamicsDb = dynamics_db(temporary, Dynamics),
+ State#state{dynamics = {set, ?SETS:add_element(Pid, DynamicsDb)}};
save_dynamic_child(RestartType, Pid, Args, #state{dynamics = Dynamics} = State) ->
- State#state{dynamics = ?DICTS:store(Pid, Args, dynamics_db(RestartType, Dynamics))}.
+ DynamicsDb = dynamics_db(RestartType, Dynamics),
+ State#state{dynamics = {dict, ?DICTS:store(Pid, Args, DynamicsDb)}}.
dynamics_db(temporary, undefined) ->
?SETS:new();
dynamics_db(_, undefined) ->
?DICTS:new();
-dynamics_db(_,Dynamics) ->
- Dynamics.
-
-dynamic_child_args(Pid, Dynamics) ->
- case ?SETS:is_set(Dynamics) of
- true ->
- {ok, undefined};
- false ->
- ?DICTS:find(Pid, Dynamics)
- end.
+dynamics_db(_, {_Tag, DynamicsDb}) ->
+ DynamicsDb.
+
+dynamic_child_args(_Pid, temporary, _DynamicsDb) ->
+ {ok, undefined};
+dynamic_child_args(Pid, _RT, {dict, DynamicsDb}) ->
+ ?DICTS:find(Pid, DynamicsDb);
+dynamic_child_args(_Pid, _RT, undefined) ->
+ error.
state_del_child(#child{pid = Pid, restart_type = temporary}, State) when ?is_simple(State) ->
NDynamics = ?SETS:del_element(Pid, dynamics_db(temporary, State#state.dynamics)),
- State#state{dynamics = NDynamics};
+ State#state{dynamics = {set, NDynamics}};
state_del_child(#child{pid = Pid, restart_type = RType}, State) when ?is_simple(State) ->
NDynamics = ?DICTS:erase(Pid, dynamics_db(RType, State#state.dynamics)),
- State#state{dynamics = NDynamics};
+ State#state{dynamics = {dict, NDynamics}};
state_del_child(Child, State) ->
NChildren = del_child(Child#child.name, State#state.children),
State#state{children = NChildren}.
@@ -1171,19 +1176,19 @@ split_child(_, [], After) ->
get_child(Name, State) ->
get_child(Name, State, false).
+
get_child(Pid, State, AllowPid) when AllowPid, is_pid(Pid) ->
get_dynamic_child(Pid, State);
get_child(Name, State, _) ->
lists:keysearch(Name, #child.name, State#state.children).
get_dynamic_child(Pid, #state{children=[Child], dynamics=Dynamics}) ->
- DynamicsDb = dynamics_db(Child#child.restart_type, Dynamics),
- case is_dynamic_pid(Pid, DynamicsDb) of
+ case is_dynamic_pid(Pid, Dynamics) of
true ->
{value, Child#child{pid=Pid}};
false ->
RPid = restarting(Pid),
- case is_dynamic_pid(RPid, DynamicsDb) of
+ case is_dynamic_pid(RPid, Dynamics) of
true ->
{value, Child#child{pid=RPid}};
false ->
@@ -1194,13 +1199,12 @@ get_dynamic_child(Pid, #state{children=[Child], dynamics=Dynamics}) ->
end
end.
-is_dynamic_pid(Pid, Dynamics) ->
- case ?SETS:is_set(Dynamics) of
- true ->
- ?SETS:is_element(Pid, Dynamics);
- false ->
- ?DICTS:is_key(Pid, Dynamics)
- end.
+is_dynamic_pid(Pid, {dict, Dynamics}) ->
+ ?DICTS:is_key(Pid, Dynamics);
+is_dynamic_pid(Pid, {set, Dynamics}) ->
+ ?SETS:is_element(Pid, Dynamics);
+is_dynamic_pid(_Pid, undefined) ->
+ false.
replace_child(Child, State) ->
Chs = do_replace_child(Child, State#state.children),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 15:26:37 +0000