diff options
Diffstat (limited to 'lib')
44 files changed, 1074 insertions, 272 deletions
diff --git a/lib/compiler/src/beam_asm.erl b/lib/compiler/src/beam_asm.erl index 6e63c4d0f2..4a9c12dfea 100644 --- a/lib/compiler/src/beam_asm.erl +++ b/lib/compiler/src/beam_asm.erl @@ -146,8 +146,10 @@ build_file(Code, Attr, Dict, NumLabels, NumFuncs, Abst, SourceFile, Opts) -> Essentials0 = [AtomChunk,CodeChunk,StringChunk,ImportChunk, ExpChunk,LambdaChunk,LiteralChunk], - Essentials = [iolist_to_binary(C) || C <- Essentials0], - {Attributes,Compile} = build_attributes(Opts, SourceFile, Attr, Essentials), + Essentials1 = [iolist_to_binary(C) || C <- Essentials0], + MD5 = module_md5(Essentials1), + Essentials = finalize_fun_table(Essentials1, MD5), + {Attributes,Compile} = build_attributes(Opts, SourceFile, Attr, MD5), AttrChunk = chunk(<<"Attr">>, Attributes), CompileChunk = chunk(<<"CInf">>, Compile), @@ -166,6 +168,24 @@ build_file(Code, Attr, Dict, NumLabels, NumFuncs, Abst, SourceFile, Opts) -> end, build_form(<<"BEAM">>, Chunks). +%% finalize_fun_table(Essentials, MD5) -> FinalizedEssentials +%% Update the 'old_uniq' field in the entry for each fun in the +%% 'FunT' chunk. We'll use part of the MD5 for the module as a +%% unique value. + +finalize_fun_table(Essentials, MD5) -> + [finalize_fun_table_1(E, MD5) || E <- Essentials]. + +finalize_fun_table_1(<<"FunT",Keep:8/binary,Table0/binary>>, MD5) -> + <<Uniq:27,_:101/bits>> = MD5, + Table = finalize_fun_table_2(Table0, Uniq, <<>>), + <<"FunT",Keep/binary,Table/binary>>; +finalize_fun_table_1(Chunk, _) -> Chunk. + +finalize_fun_table_2(<<Keep:20/binary,0:32,T/binary>>, Uniq, Acc) -> + finalize_fun_table_2(T, Uniq, <<Acc/binary,Keep/binary,Uniq:32>>); +finalize_fun_table_2(<<>>, _, Acc) -> Acc. + %% Build an IFF form. build_form(Id, Chunks0) when byte_size(Id) =:= 4, is_list(Chunks0) -> @@ -202,7 +222,7 @@ flatten_exports(Exps) -> flatten_imports(Imps) -> list_to_binary(map(fun({M,F,A}) -> <<M:32,F:32,A:32>> end, Imps)). -build_attributes(Opts, SourceFile, Attr, Essentials) -> +build_attributes(Opts, SourceFile, Attr, MD5) -> Misc = case member(slim, Opts) of false -> {{Y,Mo,D},{H,Mi,S}} = erlang:universaltime(), @@ -210,7 +230,7 @@ build_attributes(Opts, SourceFile, Attr, Essentials) -> true -> [] end, Compile = [{options,Opts},{version,?COMPILER_VSN}|Misc], - {term_to_binary(calc_vsn(Attr, Essentials)),term_to_binary(Compile)}. + {term_to_binary(set_vsn_attribute(Attr, MD5)),term_to_binary(Compile)}. build_line_table(Dict) -> {NumLineInstrs,NumFnames0,Fnames0,NumLines,Lines0} = @@ -243,32 +263,30 @@ encode_line_items([], _) -> []. %% We'll not change an existing 'vsn' attribute. %% -calc_vsn(Attr, Essentials0) -> +set_vsn_attribute(Attr, MD5) -> case keymember(vsn, 1, Attr) of true -> Attr; false -> - Essentials = filter_essentials(Essentials0), - <<Number:128>> = erlang:md5(Essentials), + <<Number:128>> = MD5, [{vsn,[Number]}|Attr] end. +module_md5(Essentials0) -> + Essentials = filter_essentials(Essentials0), + erlang:md5(Essentials). + %% filter_essentials([Chunk]) -> [Chunk'] %% Filter essentials so that we obtain the same MD5 as code:module_md5/1 and -%% beam_lib:md5/1 would calculate for this module. +%% beam_lib:md5/1 would calculate for this module. Note that at this +%% point, the 'old_uniq' entry for each fun in the 'FunT' chunk is zeroed, +%% so there is no need to go through the 'FunT' chunk. -filter_essentials([<<"FunT",_Sz:4/binary,Entries:4/binary,Table0/binary>>|T]) -> - Table = filter_funtab(Table0, <<0:32>>), - [Entries,Table|filter_essentials(T)]; filter_essentials([<<_Tag:4/binary,Sz:32,Data:Sz/binary,_Padding/binary>>|T]) -> [Data|filter_essentials(T)]; filter_essentials([<<>>|T]) -> filter_essentials(T); filter_essentials([]) -> []. -filter_funtab(<<Important:20/binary,_OldUniq:4/binary,T/binary>>, Zero) -> - [Important,Zero|filter_funtab(T, Zero)]; -filter_funtab(<<>>, _) -> []. - bif_type(fnegate, 1) -> {op,fnegate}; bif_type(fadd, 2) -> {op,fadd}; bif_type(fsub, 2) -> {op,fsub}; @@ -310,8 +328,8 @@ make_op({test,Cond,Fail,Ops}, Dict) when is_list(Ops) -> encode_op(Cond, [Fail|Ops], Dict); make_op({test,Cond,Fail,Live,[Op|Ops],Dst}, Dict) when is_list(Ops) -> encode_op(Cond, [Fail,Op,Live|Ops++[Dst]], Dict); -make_op({make_fun2,{f,Lbl},Index,OldUniq,NumFree}, Dict0) -> - {Fun,Dict} = beam_dict:lambda(Lbl, Index, OldUniq, NumFree, Dict0), +make_op({make_fun2,{f,Lbl},_Index,_OldUniq,NumFree}, Dict0) -> + {Fun,Dict} = beam_dict:lambda(Lbl, NumFree, Dict0), make_op({make_fun2,Fun}, Dict); make_op({kill,Y}, Dict) -> make_op({init,Y}, Dict); diff --git a/lib/compiler/src/beam_dict.erl b/lib/compiler/src/beam_dict.erl index ee76623976..531968b3c8 100644 --- a/lib/compiler/src/beam_dict.erl +++ b/lib/compiler/src/beam_dict.erl @@ -22,7 +22,7 @@ -export([new/0,opcode/2,highest_opcode/1, atom/2,local/4,export/4,import/4, - string/2,lambda/5,literal/2,line/2,fname/2, + string/2,lambda/3,literal/2,line/2,fname/2, atom_table/1,local_table/1,export_table/1,import_table/1, string_table/1,lambda_table/1,literal_table/1, line_table/1]). @@ -133,13 +133,18 @@ string(Str, Dict) when is_list(Str) -> {NextOffset-Offset,Dict} end. -%% Returns the index for a funentry (adding it to the table if necessary). -%% lambda(Lbl, Index, Uniq, NumFree, Dict) -> {Index,Dict'} --spec lambda(label(), non_neg_integer(), integer(), non_neg_integer(), bdict()) -> +%% Returns the index for a fun entry. +%% lambda(Lbl, NumFree, Dict) -> {Index,Dict'} +-spec lambda(label(), non_neg_integer(), bdict()) -> {non_neg_integer(), bdict()}. -lambda(Lbl, Index, OldUniq, NumFree, #asm{lambdas=Lambdas0}=Dict) -> +lambda(Lbl, NumFree, #asm{lambdas=Lambdas0}=Dict) -> OldIndex = length(Lambdas0), + %% Set Index the same as OldIndex. + Index = OldIndex, + %% Initialize OldUniq to 0. It will be set to an unique value + %% based on the MD5 checksum of the BEAM code for the module. + OldUniq = 0, Lambdas = [{Lbl,{OldIndex,Lbl,Index,NumFree,OldUniq}}|Lambdas0], {OldIndex,Dict#asm{lambdas=Lambdas}}. diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl index 0fa1fea09f..ba9cde1de0 100644 --- a/lib/compiler/src/sys_pre_expand.erl +++ b/lib/compiler/src/sys_pre_expand.erl @@ -31,8 +31,6 @@ -import(ordsets, [from_list/1,add_element/2,union/2]). -import(lists, [member/2,foldl/3,foldr/3]). --compile({nowarn_deprecated_function, {erlang,hash,2}}). - -include("../include/erl_bits.hrl"). -record(expand, {module=[], %Module name @@ -49,7 +47,6 @@ func=[], %Current function arity=[], %Arity for current function fcount=0, %Local fun count - fun_index=0, %Global index for funs bitdefault, bittypes }). @@ -538,32 +535,34 @@ lc_tq(_Line, [], St0) -> %% Transform an "explicit" fun {'fun', Line, {clauses, Cs}} into an %% extended form {'fun', Line, {clauses, Cs}, Info}, unless it is the %% name of a BIF (erl_lint has checked that it is not an import). -%% Process the body sequence directly to get the new and used variables. %% "Implicit" funs {'fun', Line, {function, F, A}} are not changed. fun_tq(Lf, {function,F,A}=Function, St0) -> - {As,St1} = new_vars(A, Lf, St0), - Cs = [{clause,Lf,As,[],[{call,Lf,{atom,Lf,F},As}]}], case erl_internal:bif(F, A) of true -> + {As,St1} = new_vars(A, Lf, St0), + Cs = [{clause,Lf,As,[],[{call,Lf,{atom,Lf,F},As}]}], fun_tq(Lf, {clauses,Cs}, St1); false -> - Index = St0#expand.fun_index, - Uniq = erlang:hash(Cs, (1 bsl 27)-1), - {Fname,St2} = new_fun_name(St1), - {{'fun',Lf,Function,{Index,Uniq,Fname}}, - St2#expand{fun_index=Index+1}} + {Fname,St1} = new_fun_name(St0), + Index = Uniq = 0, + {{'fun',Lf,Function,{Index,Uniq,Fname}},St1} end; -fun_tq(L, {function,M,F,A}, St) -> - {{call,L,{remote,L,{atom,L,erlang},{atom,L,make_fun}}, - [{atom,L,M},{atom,L,F},{integer,L,A}]},St}; +fun_tq(L, {function,M,F,A}, St) when is_atom(M), is_atom(F), is_integer(A) -> + %% This is the old format for external funs, generated by a pre-R15 + %% compiler. That means that a tool, such as the debugger or xref, + %% directly invoked this module with the abstract code from a + %% pre-R15 BEAM file. Be helpful, and translate it to the new format. + fun_tq(L, {function,{atom,L,M},{atom,L,F},{integer,L,A}}, St); +fun_tq(Lf, {function,_,_,_}=ExtFun, St) -> + {{'fun',Lf,ExtFun},St}; fun_tq(Lf, {clauses,Cs0}, St0) -> - Uniq = erlang:hash(Cs0, (1 bsl 27)-1), {Cs1,St1} = fun_clauses(Cs0, St0), - Index = St1#expand.fun_index, {Fname,St2} = new_fun_name(St1), - {{'fun',Lf,{clauses,Cs1},{Index,Uniq,Fname}}, - St2#expand{fun_index=Index+1}}. + %% Set dummy values for Index and Uniq -- the real values will + %% be assigned by beam_asm. + Index = Uniq = 0, + {{'fun',Lf,{clauses,Cs1},{Index,Uniq,Fname}},St2}. fun_clauses([{clause,L,H0,G0,B0}|Cs0], St0) -> {H,St1} = head(H0, St0), diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index 6f3590b156..6885405ae0 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -573,6 +573,13 @@ expr({'catch',L,E0}, St0) -> expr({'fun',L,{function,F,A},{_,_,_}=Id}, St) -> Lanno = lineno_anno(L, St), {#c_var{anno=Lanno++[{id,Id}],name={F,A}},[],St}; +expr({'fun',L,{function,M,F,A}}, St0) -> + {As,Aps,St1} = safe_list([M,F,A], St0), + Lanno = lineno_anno(L, St1), + {#icall{anno=#a{anno=Lanno}, + module=#c_literal{val=erlang}, + name=#c_literal{val=make_fun}, + args=As},Aps,St1}; expr({'fun',L,{clauses,Cs},Id}, St) -> fun_tq(Id, Cs, L, St); expr({call,L,{remote,_,M,F},As0}, #core{wanted=Wanted}=St0) -> diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl index 4e06b464a4..47e5e49a76 100644 --- a/lib/compiler/src/v3_kernel.erl +++ b/lib/compiler/src/v3_kernel.erl @@ -84,8 +84,6 @@ keymember/3,keyfind/3]). -import(ordsets, [add_element/2,del_element/2,union/2,union/1,subtract/2]). --compile({nowarn_deprecated_function, {erlang,hash,2}}). - -include("core_parse.hrl"). -include("v3_kernel.hrl"). @@ -1658,31 +1656,31 @@ uexpr(#k_catch{anno=A,body=B0}, {break,Rs0}, St0) -> {Ns,St3} = new_vars(1 - length(Rs0), St2), Rs1 = Rs0 ++ Ns, {#k_catch{anno=#k{us=Bu,ns=lit_list_vars(Rs1),a=A},body=B1,ret=Rs1},Bu,St3}; -uexpr(#ifun{anno=A,vars=Vs,body=B0}=IFun, {break,Rs}, St0) -> +uexpr(#ifun{anno=A,vars=Vs,body=B0}, {break,Rs}, St0) -> {B1,Bu,St1} = ubody(B0, return, St0), %Return out of new function Ns = lit_list_vars(Vs), Free = subtract(Bu, Ns), %Free variables in fun Fvs = make_vars(Free), Arity = length(Vs) + length(Free), - {{Index,Uniq,Fname}, St3} = + {Fname,St} = case lists:keyfind(id, 1, A) of - {id,Id} -> - {Id, St1}; + {id,{_,_,Fname0}} -> + {Fname0,St1}; false -> - %% No id annotation. Must invent one. - I = St1#kern.fcount, - U = erlang:hash(IFun, (1 bsl 27)-1), - {N, St2} = new_fun_name(St1), - {{I,U,N}, St2} + %% No id annotation. Must invent a fun name. + new_fun_name(St1) end, Fun = #k_fdef{anno=#k{us=[],ns=[],a=A},func=Fname,arity=Arity, vars=Vs ++ Fvs,body=B1}, + %% Set dummy values for Index and Uniq -- the real values will + %% be assigned by beam_asm. + Index = Uniq = 0, {#k_bif{anno=#k{us=Free,ns=lit_list_vars(Rs),a=A}, op=#k_internal{name=make_fun,arity=length(Free)+3}, args=[#k_atom{val=Fname},#k_int{val=Arity}, #k_int{val=Index},#k_int{val=Uniq}|Fvs], ret=Rs}, - Free,add_local_function(Fun, St3)}; + Free,add_local_function(Fun, St)}; uexpr(Lit, {break,Rs}, St) -> %% Transform literals to puts here. %%ok = io:fwrite("uexpr ~w:~p~n", [?LINE,Lit]), diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl index 368a5815bf..6067ee8e06 100644 --- a/lib/compiler/test/fun_SUITE.erl +++ b/lib/compiler/test/fun_SUITE.erl @@ -20,7 +20,11 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, - test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1]). + test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1, + external/1]). + +%% Internal export. +-export([call_me/1]). -include_lib("test_server/include/test_server.hrl"). @@ -28,7 +32,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), - [test1, overwritten_fun, otp_7202, bif_fun]. + [test1,overwritten_fun,otp_7202,bif_fun,external]. groups() -> []. @@ -45,7 +49,6 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. - %%% The help functions below are copied from emulator:bs_construct_SUITE. -define(T(B, L), {B, ??B, L}). @@ -152,4 +155,47 @@ bif_fun(Config) when is_list(Config) -> ?line F = fun abs/1, ?line 5 = F(-5), ok. + +-define(APPLY(M, F, A), (fun(Fun) -> {ok,{a,b}} = Fun({a,b}) end)(fun M:F/A)). +-define(APPLY2(M, F, A), + (fun(Map) -> + Id = fun(I) -> I end, + List = [x,y], + List = Map(Id, List), + {type,external} = erlang:fun_info(Map, type) + end)(fun M:F/A)). +external(Config) when is_list(Config) -> + Mod = id(?MODULE), + Func = id(call_me), + Arity = id(1), + + ?APPLY(?MODULE, call_me, 1), + ?APPLY(?MODULE, call_me, Arity), + ?APPLY(?MODULE, Func, 1), + ?APPLY(?MODULE, Func, Arity), + ?APPLY(Mod, call_me, 1), + ?APPLY(Mod, call_me, Arity), + ?APPLY(Mod, Func, 1), + ?APPLY(Mod, Func, Arity), + + ListsMod = id(lists), + ListsMap = id(map), + ListsArity = id(2), + + ?APPLY2(lists, map, 2), + ?APPLY2(lists, map, ListsArity), + ?APPLY2(lists, ListsMap, 2), + ?APPLY2(lists, ListsMap, ListsArity), + ?APPLY2(ListsMod, map, 2), + ?APPLY2(ListsMod, map, ListsArity), + ?APPLY2(ListsMod, ListsMap, 2), + ?APPLY2(ListsMod, ListsMap, ListsArity), + + ok. + +call_me(I) -> + {ok,I}. + +id(I) -> + I. diff --git a/lib/compiler/test/pmod_SUITE.erl b/lib/compiler/test/pmod_SUITE.erl index 9a317b5762..3d02adaf52 100644 --- a/lib/compiler/test/pmod_SUITE.erl +++ b/lib/compiler/test/pmod_SUITE.erl @@ -96,6 +96,10 @@ basic_1(Config, Opts) -> ?line error = Prop4:bar_bar({s,a,b}), ?line error = Prop4:bar_bar([]), + %% Call from a fun. + Fun = fun(Arg) -> Prop4:bar(Arg) end, + ?line ok = Fun({s,0}), + ok. otp_8447(Config) when is_list(Config) -> diff --git a/lib/debugger/src/dbg_ieval.erl b/lib/debugger/src/dbg_ieval.erl index df725ed9e5..2e88c35741 100644 --- a/lib/debugger/src/dbg_ieval.erl +++ b/lib/debugger/src/dbg_ieval.erl @@ -768,6 +768,21 @@ expr({make_fun,Line,Name,Cs}, Bs, #ieval{module=Module}=Ieval) -> end, {value,Fun,Bs}; +%% Construct an external fun. +expr({make_ext_fun,Line,MFA0}, Bs0, Ieval0) -> + {[M,F,A],Bs} = eval_list(MFA0, Bs0, Ieval0), + try erlang:make_fun(M, F, A) of + Value -> + {value,Value,Bs} + catch + error:badarg -> + Ieval1 = Ieval0#ieval{line=Line}, + Ieval2 = dbg_istk:push(Bs0, Ieval1, false), + Ieval = Ieval2#ieval{module=erlang,function=make_fun, + arguments=[M,F,A],line=-1}, + exception(error, badarg, Bs, Ieval, true) + end; + %% Common test adaptation expr({call_remote,0,ct_line,line,As0,Lc}, Bs0, Ieval0) -> {As,_Bs} = eval_list(As0, Bs0, Ieval0), diff --git a/lib/debugger/src/dbg_iload.erl b/lib/debugger/src/dbg_iload.erl index ce5631e45f..3c95ef8068 100644 --- a/lib/debugger/src/dbg_iload.erl +++ b/lib/debugger/src/dbg_iload.erl @@ -369,6 +369,14 @@ expr({'fun',Line,{function,F,A},{_Index,_OldUniq,Name}}, _Lc) -> As = new_vars(A, Line), Cs = [{clause,Line,As,[],[{local_call,Line,F,As,true}]}], {make_fun,Line,Name,Cs}; +expr({'fun',Line,{function,{atom,_,M},{atom,_,F},{integer,_,A}}}, _Lc) + when 0 =< A, A =< 255 -> + %% New format in R15 for fun M:F/A (literal values). + {value,Line,erlang:make_fun(M, F, A)}; +expr({'fun',Line,{function,M,F,A}}, _Lc) -> + %% New format in R15 for fun M:F/A (one or more variables). + MFA = expr_list([M,F,A]), + {make_ext_fun,Line,MFA}; expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,self}},[]}, _Lc) -> {dbg,Line,self,[]}; expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,get_stacktrace}},[]}, _Lc) -> diff --git a/lib/debugger/test/fun_SUITE.erl b/lib/debugger/test/fun_SUITE.erl index 8103d9c692..a06cdc7165 100644 --- a/lib/debugger/test/fun_SUITE.erl +++ b/lib/debugger/test/fun_SUITE.erl @@ -24,8 +24,10 @@ init_per_testcase/2,end_per_testcase/2, init_per_suite/1,end_per_suite/1, good_call/1,bad_apply/1,bad_fun_call/1,badarity/1, - ext_badarity/1,otp_6061/1]). --export([nothing/0]). + ext_badarity/1,otp_6061/1,external/1]). + +%% Internal exports. +-export([nothing/0,call_me/1]). -include_lib("test_server/include/test_server.hrl"). @@ -46,7 +48,7 @@ end_per_group(_GroupName, Config) -> cases() -> [good_call, bad_apply, bad_fun_call, badarity, - ext_badarity, otp_6061]. + ext_badarity, otp_6061, external]. init_per_testcase(_Case, Config) -> test_lib:interpret(?MODULE), @@ -244,3 +246,47 @@ test_otp_6061(Starter) -> fun() -> Starter ! working end, fun() -> Starter ! not_working end], lists:foreach(fun(P)->(lists:nth(P,PassesF))() end,Passes). + +-define(APPLY(M, F, A), (fun(Fun) -> {ok,{a,b}} = Fun({a,b}) end)(fun M:F/A)). +-define(APPLY2(M, F, A), + (fun(Map) -> + Id = fun(I) -> I end, + List = [x,y], + List = Map(Id, List), + {type,external} = erlang:fun_info(Map, type) + end)(fun M:F/A)). + +external(Config) when is_list(Config) -> + Mod = id(?MODULE), + Func = id(call_me), + Arity = id(1), + + ?APPLY(?MODULE, call_me, 1), + ?APPLY(?MODULE, call_me, Arity), + ?APPLY(?MODULE, Func, 1), + ?APPLY(?MODULE, Func, Arity), + ?APPLY(Mod, call_me, 1), + ?APPLY(Mod, call_me, Arity), + ?APPLY(Mod, Func, 1), + ?APPLY(Mod, Func, Arity), + + ListsMod = id(lists), + ListsMap = id(map), + ListsArity = id(2), + + ?APPLY2(lists, map, 2), + ?APPLY2(lists, map, ListsArity), + ?APPLY2(lists, ListsMap, 2), + ?APPLY2(lists, ListsMap, ListsArity), + ?APPLY2(ListsMod, map, 2), + ?APPLY2(ListsMod, map, ListsArity), + ?APPLY2(ListsMod, ListsMap, 2), + ?APPLY2(ListsMod, ListsMap, ListsArity), + + ok. + +call_me(I) -> + {ok,I}. + +id(I) -> + I. diff --git a/lib/megaco/.gitignore b/lib/megaco/.gitignore new file mode 100644 index 0000000000..1c5979cd62 --- /dev/null +++ b/lib/megaco/.gitignore @@ -0,0 +1,3 @@ +examples/meas/Makefile +examples/meas/meas.sh.skel +examples/meas/mstone1.sh.skel diff --git a/lib/megaco/configure.in b/lib/megaco/configure.in index 8f94a4efcf..b88e17ec85 100644 --- a/lib/megaco/configure.in +++ b/lib/megaco/configure.in @@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script. -*-m4-*- dnl dnl %CopyrightBegin% dnl -dnl Copyright Ericsson AB 2001-2010. All Rights Reserved. +dnl Copyright Ericsson AB 2001-2011. All Rights Reserved. dnl dnl The contents of this file are subject to the Erlang Public License, dnl Version 1.1, (the "License"); you may not use this file except in @@ -273,5 +273,6 @@ if test "$PERL" = no_perl; then AC_MSG_ERROR([Perl is required to build the flex scanner!]) fi +AC_OUTPUT(examples/meas/Makefile:examples/meas/Makefile.in) AC_OUTPUT(src/flex/$host/Makefile:src/flex/Makefile.in) diff --git a/lib/megaco/doc/src/notes.xml b/lib/megaco/doc/src/notes.xml index 2aba8db71b..dfbc5895d1 100644 --- a/lib/megaco/doc/src/notes.xml +++ b/lib/megaco/doc/src/notes.xml @@ -36,6 +36,54 @@ section is the version number of Megaco.</p> + <section><title>Megaco 3.15.1.2</title> + + <p>Version 3.15.1.2 supports code replacement in runtime from/to + version 3.15.1.1, 3.15.1 and 3.15.</p> + + <section> + <title>Improvements and new features</title> + +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>Minor improvemnts to the emasurement tool mstone1. </p> + <p>Own Id: OTP-9604</p> + </item> + + <item> + <p>The profiling test tool has been rewritten. </p> + <p>Håkan Mattsson</p> + <p>Own Id: OTP-9679</p> + </item> + + </list> + + </section> + + <section> + <title>Fixed bugs and malfunctions</title> + + <p>-</p> + + <!-- + <list type="bulleted"> + <item> + <p>Fixing miscellaneous things detected by dialyzer. </p> + <p>Own Id: OTP-9075</p> + </item> + + </list> + --> + + </section> + + </section> <!-- 3.15.1.2 --> + + <section><title>Megaco 3.15.1.1</title> <p>Version 3.15.1.1 supports code replacement in runtime from/to diff --git a/lib/megaco/examples/meas/Makefile b/lib/megaco/examples/meas/Makefile.in index 0a6cbb44a6..6af7ef6c65 100644 --- a/lib/megaco/examples/meas/Makefile +++ b/lib/megaco/examples/meas/Makefile.in @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2002-2009. All Rights Reserved. +# Copyright Ericsson AB 2002-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -35,12 +35,19 @@ VSN=$(MEGACO_VSN) # ---------------------------------------------------- +# Configured variables +# ---------------------------------------------------- +PERL = @PERL@ + + +# ---------------------------------------------------- # Release directory specification # ---------------------------------------------------- RELSYSDIR = $(RELEASE_PATH)/lib/megaco-$(VSN) EXAMPLE_RELSYSDIR = $(RELSYSDIR)/examples MEAS_RELSYSDIR = $(EXAMPLE_RELSYSDIR)/meas + # ---------------------------------------------------- # Target Specs # ---------------------------------------------------- @@ -49,9 +56,13 @@ include modules.mk ERL_FILES = $(MODULES:%=%.erl) -TARGET_FILES = \ +SCRIPT_SKELETONS = $(SCRIPT_SKELETON_SRC:%.src=%) + +ERL_TARGETS = \ $(ERL_FILES:%.erl=$(EBIN)/%.$(EMULATOR)) +TARGET_FILES = $(SCRIPT_SKELETONS) $(ERL_TARGETS) + # ---------------------------------------------------- # FLAGS @@ -91,12 +102,27 @@ debug: opt: $(TARGET_FILES) +script_skeletons: $(SCRIPT_SKELETONS) + +info: + @echo "MODULES = $(MODULES)" + @echo "ERL_FILED = $(ERL_FILES)" + @echo "" + @echo "SCRIPT_SKELETON_SRC = $(SCRIPT_SKELETON_SRC)" + @echo "SCRIPT_SKELETONS = $(SCRIPT_SKELETONS)" + @echo "" + @echo "TARGET_FILES = $(TARGET_FILES)" + @echo "" + clean: rm -f $(TARGET_FILES) rm -f errs core *~ docs: +conf: + cd ../..; $(MAKE) conf + # ---------------------------------------------------- # Release Target @@ -120,6 +146,14 @@ release_docs_spec: # Include dependencies # ---------------------------------------------------- +meas.sh.skel: meas.sh.skel.src + @echo "transforming $< to $@" + $(PERL) -p -e 's?%VSN%?$(VSN)? ' < $< > $@ + +mstone1.sh.skel: mstone1.sh.skel.src + @echo "transforming $< to $@" + $(PERL) -p -e 's?%VSN%?$(VSN)? ' < $< > $@ + megaco_codec_transform.$(EMULATOR): megaco_codec_transform.erl megaco_codec_meas.$(EMULATOR): megaco_codec_meas.erl diff --git a/lib/megaco/examples/meas/meas.sh.skel b/lib/megaco/examples/meas/meas.sh.skel.src index 76745ed8f4..c7bd6cdd2a 100644 --- a/lib/megaco/examples/meas/meas.sh.skel +++ b/lib/megaco/examples/meas/meas.sh.skel.src @@ -2,7 +2,7 @@ # %CopyrightBegin% # -# Copyright Ericsson AB 2007-2010. All Rights Reserved. +# Copyright Ericsson AB 2007-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -22,7 +22,7 @@ # ERL_HOME=<path to otp top dir> -MEGACO_HOME=$ERL_HOME/lib/erlang/lib/<megaco dir> +MEGACO_HOME=$ERL_HOME/lib/erlang/lib/megaco-%VSN% MEAS_HOME=$MEGACO_HOME/examples/meas PATH=$ERL_HOME/bin:$PATH diff --git a/lib/megaco/examples/meas/modules.mk b/lib/megaco/examples/meas/modules.mk index 8f1b45c8a6..26979933d7 100644 --- a/lib/megaco/examples/meas/modules.mk +++ b/lib/megaco/examples/meas/modules.mk @@ -2,7 +2,7 @@ # %CopyrightBegin% # -# Copyright Ericsson AB 2002-2009. All Rights Reserved. +# Copyright Ericsson AB 2002-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -17,9 +17,9 @@ # # %CopyrightEnd% -SCRIPT_SKELETONS = \ - meas.sh.skel \ - mstone1.sh.skel +SCRIPT_SKELETON_SRC = \ + meas.sh.skel.src \ + mstone1.sh.skel.src MESSAGE_PACKAGES = \ time_test.msgs diff --git a/lib/megaco/examples/meas/mstone1.sh.skel b/lib/megaco/examples/meas/mstone1.sh.skel.src index b7c7e41007..54a6c61a58 100644 --- a/lib/megaco/examples/meas/mstone1.sh.skel +++ b/lib/megaco/examples/meas/mstone1.sh.skel.src @@ -3,7 +3,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2007-2009. All Rights Reserved. +# Copyright Ericsson AB 2007-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -59,7 +59,7 @@ Options: " ERL_HOME=<path to otp top dir> -MEGACO_HOME=$ERL_HOME/lib/erlang/lib/<megaco dir> +MEGACO_HOME=$ERL_HOME/lib/erlang/lib/megaco-%VSN% MEAS_HOME=$MEGACO_HOME/examples/meas PATH=$ERL_HOME/bin:$PATH diff --git a/lib/megaco/src/app/megaco.appup.src b/lib/megaco/src/app/megaco.appup.src index 7107178d1a..7f6fe0c733 100644 --- a/lib/megaco/src/app/megaco.appup.src +++ b/lib/megaco/src/app/megaco.appup.src @@ -139,10 +139,17 @@ %% | %% v %% 3.15.1.1 +%% | +%% v +%% 3.15.1.2 %% %% {"%VSN%", [ + {"3.15.1.1", + [ + ] + }, {"3.15.1", [ ] @@ -160,6 +167,10 @@ } ], [ + {"3.15.1.1", + [ + ] + }, {"3.15.1", [ ] diff --git a/lib/megaco/test/megaco_codec_v1_test.erl b/lib/megaco/test/megaco_codec_v1_test.erl index 3a548c4d9e..e9c19605dd 100644 --- a/lib/megaco/test/megaco_codec_v1_test.erl +++ b/lib/megaco/test/megaco_codec_v1_test.erl @@ -371,9 +371,9 @@ profile_decode_text_messages(Slogan, Codec, Config, Msgs0) -> decode_text_messages(Codec, Config, Bins, []) end, %% Make a dry run, just to make sure all modules are loaded: - io:format("make a dry run..~n", []), + io:format("make a dry run...~n", []), (catch Fun()), - io:format("make the run..~n", []), + io:format("make the run...~n", []), megaco_profile:profile(Slogan, Fun). %% (catch megaco_codec_v1_test:profile_encode_compact_text_messages()). diff --git a/lib/megaco/test/megaco_codec_v2_test.erl b/lib/megaco/test/megaco_codec_v2_test.erl index c3a80febba..1d3fcb36e9 100644 --- a/lib/megaco/test/megaco_codec_v2_test.erl +++ b/lib/megaco/test/megaco_codec_v2_test.erl @@ -346,9 +346,9 @@ profile_decode_text_messages(Slogan, Codec, Config, Msgs0) -> decode_text_messages(Codec, Config, Bins, []) end, %% Make a dry run, just to make sure all modules are loaded: - io:format("make a dry run..~n", []), + io:format("make a dry run...~n", []), (catch Fun()), - io:format("make the run..~n", []), + io:format("make the run...~n", []), megaco_profile:profile(Slogan, Fun). %% (catch megaco_codec_v2_test:profile_encode_compact_text_messages()). diff --git a/lib/megaco/test/megaco_mess_test.erl b/lib/megaco/test/megaco_mess_test.erl index ded1506271..383e3df774 100644 --- a/lib/megaco/test/megaco_mess_test.erl +++ b/lib/megaco/test/megaco_mess_test.erl @@ -34,12 +34,12 @@ %% -compile(export_all). -export([ - all/0,groups/0,init_per_group/2,end_per_group/2, - init_per_testcase/2, - end_per_testcase/2, + all/0, groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2, end_per_group/2, + init_per_testcase/2, end_per_testcase/2, connect/1, - request_and_reply_plain/1, request_and_no_reply/1, @@ -347,39 +347,83 @@ end_per_testcase(Case, Config) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% all() -> - [connect, {group, request_and_reply}, - {group, pending_ack}, dist, {group, tickets}]. + [ + connect, + {group, request_and_reply}, + {group, pending_ack}, + dist, + {group, tickets} + ]. groups() -> - [{request_and_reply, [], - [request_and_reply_plain, request_and_no_reply, + [ + {request_and_reply, [], + [request_and_reply_plain, + request_and_no_reply, request_and_reply_pending_ack_no_pending, request_and_reply_pending_ack_one_pending, single_trans_req_and_reply, single_trans_req_and_reply_sendopts, - request_and_reply_and_ack, request_and_reply_and_no_ack, + request_and_reply_and_ack, + request_and_reply_and_no_ack, request_and_reply_and_late_ack, trans_req_and_reply_and_req]}, {pending_ack, [], [pending_ack_plain, request_and_pending_and_late_reply]}, {tickets, [], - [otp_4359, otp_4836, otp_5805, otp_5881, otp_5887, - otp_6253, otp_6275, otp_6276, {group, otp_6442}, - {group, otp_6865}, otp_7189, otp_7259, otp_7713, - {group, otp_8183}, otp_8212]}, + [otp_4359, + otp_4836, + otp_5805, + otp_5881, + otp_5887, + otp_6253, + otp_6275, + otp_6276, + {group, otp_6442}, + {group, otp_6865}, + otp_7189, + otp_7259, + otp_7713, + {group, otp_8183}, + otp_8212]}, {otp_6442, [], - [otp_6442_resend_request1, otp_6442_resend_request2, - otp_6442_resend_reply1, otp_6442_resend_reply2]}, + [otp_6442_resend_request1, + otp_6442_resend_request2, + otp_6442_resend_reply1, + otp_6442_resend_reply2]}, {otp_6865, [], [otp_6865_request_and_reply_plain_extra1, otp_6865_request_and_reply_plain_extra2]}, - {otp_8183, [], [otp_8183_request1]}]. + {otp_8183, [], [otp_8183_request1]} + ]. + + +init_per_suite(Config) -> + io:format("~w:init_per_suite -> entry with" + "~n Config: ~p" + "~n", [?MODULE, Config]), + Config. + +end_per_suite(_Config) -> + io:format("~w:end_per_suite -> entry with" + "~n _Config: ~p" + "~n", [?MODULE, _Config]), + ok. + init_per_group(_GroupName, Config) -> + io:format("~w:init_per_group -> entry with" + "~n _GroupName: ~p" + "~n Config: ~p" + "~n", [?MODULE, _GroupName, Config]), Config. end_per_group(_GroupName, Config) -> + io:format("~w:end_per_group -> entry with" + "~n _GroupName: ~p" + "~n Config: ~p" + "~n", [?MODULE, _GroupName, Config]), Config. @@ -394,12 +438,16 @@ connect(Config) when is_list(Config) -> PrelMid = preliminary_mid, MgMid = ipv4_mid(4711), + d("connect -> start megaco app",[]), ?VERIFY(ok, application:start(megaco)), + d("connect -> start (MG) user ~p",[MgMid]), ?VERIFY(ok, megaco:start_user(MgMid, [{send_mod, bad_send_mod}, {request_timer, infinity}, {reply_timer, infinity}])), + d("connect -> get receive info for ~p",[MgMid]), MgRH = user_info(MgMid, receive_handle), + d("connect -> (MG) try connect to MGC",[]), {ok, PrelCH} = ?VERIFY({ok, _}, megaco:connect(MgRH, PrelMid, sh, self())), connections([PrelCH]), @@ -6776,16 +6824,12 @@ rapalr_mg_notify_request_ar(Rid, Tid, Cid) -> - - - - - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% dist(suite) -> []; dist(Config) when is_list(Config) -> + ?SKIP("Needs a re-write..."), [_Local, Dist] = ?ACQUIRE_NODES(2, Config), d("dist -> start proxy",[]), megaco_mess_user_test:start_proxy(), @@ -6897,7 +6941,11 @@ dist(Config) when is_list(Config) -> ?VERIFY(ok, application:stop(megaco)), ?RECEIVE([]), - d("dist -> done",[]), + + d("dist -> stop proxy",[]), + megaco_mess_user_test:stop_proxy(), + + d("dist -> done", []), ok. diff --git a/lib/megaco/test/megaco_profile.erl b/lib/megaco/test/megaco_profile.erl index d0b62610e1..344c551970 100644 --- a/lib/megaco/test/megaco_profile.erl +++ b/lib/megaco/test/megaco_profile.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2009. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -24,50 +24,102 @@ -module(megaco_profile). --export([profile/2]). - +-export([profile/2, prepare/2, analyse/1, + fprof_to_calltree/1, fprof_to_calltree/2, fprof_to_calltree/3]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Execute Fun and profile it with fprof. -profile(Slogan, Fun) when is_function(Fun) -> +profile(Slogan, Fun) when is_function(Fun, 0) -> Pids = [self()], - profile(Slogan, Fun, Pids). + {ok, TraceFile} = prepare(Slogan, Pids), + Res = (catch Fun()), + {ok, _DestFile} = analyse(Slogan), + ok = file:delete(TraceFile), + {ok, _TreeFile} = fprof_to_calltree(Slogan), + Res. -profile(Slogan, Fun, Pids) -> +%% Prepare for tracing +prepare(Slogan, Pids) -> TraceFile = lists:concat(["profile_", Slogan, "-fprof.trace"]), - DestFile = lists:concat(["profile_", Slogan, ".fprof"]), - TreeFile = lists:concat(["profile_", Slogan, ".calltree"]), - erlang:garbage_collect(), {ok, _Pid} = fprof:start(), + erlang:garbage_collect(), TraceOpts = [start, - {cpu_time, false}, - {procs, Pids}, - {file, TraceFile} + {cpu_time, false}, + {procs, Pids}, + {file, TraceFile} ], - ok = fprof:trace(TraceOpts), - Res = (catch Fun()), - ok = fprof:trace(stop), - ok = fprof:profile([{file, TraceFile}]), - ok = fprof:analyse([{dest, DestFile}]), - ok = fprof:stop(), - ok = file:delete(TraceFile), - reformat_total(DestFile, TreeFile), - Res. + ok = fprof:trace(TraceOpts), + {ok, TraceFile}. -reformat_total(FromFile, ToFile) -> - {ok, ConsultedFromFile} = file:consult(FromFile), - [_AnalysisOpts, [Totals] | Terms] = ConsultedFromFile, - {totals, _, TotalAcc, _} = Totals, +%% Stop tracing and analyse it +analyse(Slogan) -> + fprof:trace(stop), + TraceFile = lists:concat(["profile_", Slogan, "-fprof.trace"]), + DestFile = lists:concat(["profile_", Slogan, ".fprof"]), + try + case fprof:profile([{file, TraceFile}]) of + ok -> + ok = fprof:analyse([{dest, DestFile}, {totals, false}]), + {ok, DestFile}; + {error, Reason} -> + {error, Reason} + end + after + fprof:stop() + end. + +fprof_to_calltree(Slogan) -> + fprof_to_calltree(Slogan, 0). + +fprof_to_calltree(Slogan, MinPercent) -> + DestFile = lists:concat(["profile_", Slogan, ".fprof"]), + TreeFile = lists:concat(["profile_", Slogan, ".calltree"]), + fprof_to_calltree(DestFile, TreeFile, MinPercent). + +%% Create a calltree from an fprof file +fprof_to_calltree(FromFile, ToFile, MinPercent) -> + ReplyTo = self(), + Ref = make_ref(), + spawn_link(fun() -> + ReplyTo ! {Ref, do_fprof_to_calltree(FromFile, ToFile, MinPercent)} + end), + wait_for_reply(Ref). + +wait_for_reply(Ref) -> + receive + {Ref, Res} -> + Res; + {'EXIT', normal} -> + wait_for_reply(Ref); + {'EXIT', Reason} -> + exit(Reason) + end. + +do_fprof_to_calltree(FromFile, ToFile, MinPercent) -> {ok, Fd} = file:open(ToFile, [write, raw]), - Indent = "", - log(Fd, Indent, TotalAcc, Totals), - Processes = split_processes(Terms, [], []), - Reformat = fun(P) -> reformat_process(Fd, " " ++ Indent, TotalAcc, P) end, - lists:foreach(Reformat, Processes), - file:close(Fd). + {ok, ConsultedFromFile} = file:consult(FromFile), + [_AnalysisOpts, [_Totals] | Terms] = ConsultedFromFile, + Processes = split_processes(Terms, [], []), + Indent = "", + Summary = collapse_processes(Processes), + {_Label, _Cnt, Acc, _Own, _Roots, Details} = Summary, + %% log(Fd, Label, Indent, Acc, {Label, Cnt, Acc, Own}, [], 0), + gen_calltree(Fd, Indent, Acc, Summary, MinPercent), + Delim = io_lib:format("\n~80..=c\n\n", [$=]), + Write = + fun(P) -> + file:write(Fd, Delim), + gen_calltree(Fd, Indent, Acc, P, MinPercent) + end, + lists:foreach(Write, Processes), + file:write(Fd, Delim), + gen_details(Fd, Acc, Details), + file:close(Fd), + {ok, ToFile}. +%% Split all fprof terms into a list of processes split_processes([H | T], ProcAcc, TotalAcc) -> if is_tuple(H) -> @@ -75,64 +127,185 @@ split_processes([H | T], ProcAcc, TotalAcc) -> is_list(H), ProcAcc =:= [] -> split_processes(T, [H], TotalAcc); is_list(H) -> - split_processes(T, [H], [lists:reverse(ProcAcc) | TotalAcc]) + ProcAcc2 = rearrange_process(lists:reverse(ProcAcc)), + split_processes(T, [H], [ProcAcc2 | TotalAcc]) end; split_processes([], [], TotalAcc) -> - lists:reverse(TotalAcc); + lists:reverse(lists:keysort(3, TotalAcc)); split_processes([], ProcAcc, TotalAcc) -> - lists:reverse([lists:reverse(ProcAcc) | TotalAcc]). - -reformat_process(Fd, Indent, TotalAcc, Terms) -> - case Terms of - [[{ProcLabel, _, _, _}] | All] -> ok; - [[{ProcLabel,_,_,_} | _] | All] -> ok - end, - [{_, {TopKey, TopCnt, TopAcc, TopOwn}, _} | _] = All, - Process = {ProcLabel, TopCnt, TopAcc, TopOwn}, - log(Fd, Indent, TotalAcc, Process), - reformat_calls(Fd, " " ++ Indent, TotalAcc, TopKey, All, []). - -reformat_calls(Fd, Indent, TotalAcc, Key, Terms, Stack) -> - {_CalledBy, Current, Calls} = find(Key, Terms), - log(Fd, Indent, TotalAcc, Current), - case lists:member(Key, Stack) of - true -> - ok; - false -> - case Key of - {io_lib, _, _} -> - ok; - {disk_log, _, _} -> - ok; - {lists, flatten, _} -> - ok; - {lists, keysort, _} -> - ok; - _ -> - Fun = fun({NextKey, _, _, _}) -> - reformat_calls(Fd, - " " ++ Indent, - TotalAcc, - NextKey, - Terms, - [Key | Stack]) - end, - lists:foreach(Fun, Calls) - end + ProcAcc2 = rearrange_process(lists:reverse(ProcAcc)), + lists:reverse(lists:keysort(3, [ProcAcc2 | TotalAcc])). + +%% Rearrange the raw process list into a more useful format +rearrange_process([[{Label, _Cnt, _Acc, _Own} | _ ] | Details]) -> + do_rearrange_process(Details, Details, Label, [], []). + +do_rearrange_process([{CalledBy, Current, _Calls} | T], Orig, Label, Roots, Undefs) -> + case [{undefined, Cnt, safe_max(Acc, Own), Own} || + {undefined, Cnt, Acc, Own} <- CalledBy] of + [] -> + do_rearrange_process(T, Orig, Label, Roots, Undefs); + NewUndefs -> + do_rearrange_process(T, Orig, Label, [Current | Roots], NewUndefs ++ Undefs) + end; +do_rearrange_process([], Details, Label, Roots, Undefs) -> + [{undefined, Cnt, Acc, Own}] = collapse_calls(Undefs, []), + Details2 = sort_details(3, Details), + {Label, Cnt, Acc, Own, lists:reverse(lists:keysort(3, Roots)), Details2}. + +%% Compute a summary of the rearranged process info +collapse_processes(Processes) -> + Headers = lists:map(fun({_L, C, A, O, _R, _D}) -> {"SUMMARY", C, A, O} end, + Processes), + [{Label, Cnt, Acc, Own}] = collapse_calls(Headers, []), + Details = lists:flatmap(fun({_L, _C, _A, _O, _R, D}) -> D end, Processes), + Details2 = do_collapse_processes(sort_details(1, Details), []), + Roots = lists:flatmap(fun({_L, _C, _A, _O, R, _D}) -> R end, Processes), + RootMFAs = lists:usort([MFA || {MFA, _, _, _} <- Roots]), + Roots2 = [R || RootMFA <- RootMFAs, + {_, {MFA, _, _, _} = R, _} <- Details2, + MFA =:= RootMFA], + Roots3 = collapse_calls(Roots2, []), + {Label, Cnt, Acc, Own, Roots3, Details2}. + +do_collapse_processes([{CalledBy1, {MFA, Cnt1, Acc1, Own1}, Calls1} | T1], + [{CalledBy2, {MFA, Cnt2, Acc2, Own2}, Calls2} | T2]) -> + Cnt = Cnt1 + Cnt2, + Acc = Acc1 + Acc2, + Own = Own1 + Own2, + Current = {MFA, Cnt, Acc, Own}, + CalledBy0 = CalledBy1 ++ CalledBy2, + Calls0 = Calls1 ++ Calls2, + CalledBy = collapse_calls(lists:keysort(3, CalledBy0), []), + Calls = collapse_calls(lists:keysort(3, Calls0), []), + do_collapse_processes(T1, [{CalledBy, Current, Calls} | T2]); +do_collapse_processes([{CalledBy, Current, Calls} | T1], + T2) -> + do_collapse_processes(T1, [{CalledBy, Current, Calls} | T2]); +do_collapse_processes([], + T2) -> + sort_details(3, T2). + +%% Reverse sort on acc field +sort_details(Pos, Details) -> + Pivot = fun({_CalledBy1, Current1, _Calls1}, + {_CalledBy2, Current2, _Calls2}) -> + element(Pos, Current1) =< element(Pos, Current2) + end, + lists:reverse(lists:sort(Pivot, Details)). + +%% Compute a summary from a list of call tuples +collapse_calls([{MFA, Cnt1, Acc1, Own1} | T1], + [{MFA, Cnt2, Acc2, Own2} | T2]) -> + Cnt = Cnt1 + Cnt2, + Acc = safe_sum(Acc1, Acc2), + Own = Own1 + Own2, + collapse_calls(T1, [{MFA, Cnt, Acc, Own} | T2]); +collapse_calls([{MFA, Cnt, Acc, Own} | T1], + T2) -> + collapse_calls(T1, [{MFA, Cnt, Acc, Own} | T2]); +collapse_calls([], + T2) -> + lists:reverse(lists:keysort(3, T2)). + +safe_sum(Int1, Int2) -> + if + Int1 =:= undefined -> Int2; + Int2 =:= undefined -> Int1; + true -> Int1 + Int2 + end. + +safe_max(Int1, Int2) -> + if + Int1 =:= undefined -> + io:format("111\n", []), + Int2; + Int2 =:= undefined -> + io:format("222\n", []), + Int1; + Int2 > Int1 -> Int2; + true -> Int1 + end. + +%% Compute a calltree and write it to file +gen_calltree(Fd, Indent, TotalAcc, {Label, Cnt, Acc, Own, Roots, Details}, MinPercent) -> + Header = {Label, Cnt, Acc, Own}, + MetaLabel = "Process", + Diff = length(Label) - length(MetaLabel), + IoList = io_lib:format("~s~s Lvl Pct Cnt Acc Own Calls => MFA\n", + [MetaLabel, lists:duplicate(Diff, $\ )]), + file:write(Fd, IoList), + log(Fd, Label, Indent, TotalAcc, Header, Roots, MinPercent), + NewIndent = " " ++ Indent, + Fun = fun({MFA, _C, _A, _O}) -> + [put_detail(Label, D) || D <- Details], + gen_calls(Fd, Label, NewIndent, TotalAcc, MFA, MinPercent) + end, + lists:foreach(Fun, Roots). + +gen_calls(Fd, Label, Indent, TotalAcc, MFA, MinPercent) -> + case get_detail(Label, MFA) of + {read, {_CalledBy, Current, _Calls}} -> + log(Fd, Label, Indent, TotalAcc, Current, -1, MinPercent); + {unread, {_CalledBy, Current, Calls}} -> + log(Fd, Label, Indent, TotalAcc, Current, Calls, MinPercent), + NewIndent = " " ++ Indent, + Fun = fun({NextMFA, _, _, _}) -> + gen_calls(Fd, Label, NewIndent, TotalAcc, + NextMFA, MinPercent) + end, + lists:foreach(Fun, Calls) + end. + +put_detail(Label, {_, {MFA, _, _, _}, _} = Detail) -> + put({Label, MFA}, {unread, Detail}). + +get_detail(Label, MFA) -> + Val = get({Label, MFA}), + case Val of + {unread, Detail} -> + put({Label, MFA}, {read, Detail}), + Val; + {read, _Detail} -> + Val + end. + +gen_details(Fd, Total, Details) -> + IoList = io_lib:format("Pct Cnt Acc Own MFA\n", []), + file:write(Fd, IoList), + do_gen_details(Fd, Total, Details). + +do_gen_details(Fd, Total, [{_CalledBy, {MFA, Cnt, Acc, Own}, _Calls} | Details]) -> + MFAStr = io_lib:format("~p", [MFA]), + {_, Percent} = calc_percent(Acc, Own, Total), + IoList = io_lib:format("~3.. B% ~10.3B ~10.3f ~10.3f => ~s\n", + [Percent, Cnt, Acc, Own, MFAStr]), + file:write(Fd, IoList), + do_gen_details(Fd, Total, Details); +do_gen_details(_Fd, _Total, []) -> + ok. + +log(Fd, Label, Indent, Acc, Current, Calls, MinPercent) when is_list(Calls) -> + log(Fd, Label, Indent, Acc, Current, length(Calls), MinPercent); +log(Fd, Label, Indent, Total, {MFA, Cnt, Acc, Own}, N, MinPercent) -> + {Max, Percent} = calc_percent(Acc, Own, Total), + if + Percent >= MinPercent -> + do_log(Fd, Label, Indent, Percent, MFA, Cnt, Max, Own, N); + true -> + ok end. -find(Key, [{_, {Key, _, _, _}, _} = H | _]) -> - H; -find(Key, [{_, {_, _, _, _}, _} | T]) -> - find(Key, T). - -log(Fd, Indent, Total, {Label, Cnt, Acc, Own}) -> - Percent = case Acc of - undefined -> 100; - _ -> trunc((lists:max([Acc, Own]) * 100) / Total) - end, - Label2 = io_lib:format("~p", [Label]), - IoList = io_lib:format("~s~p% ~s \t~p \t~p \t~p\n", - [Indent, Percent, Label2, Cnt, trunc(Acc), trunc(Own)]), +do_log(Fd, Label, Indent, Percent, MFA, Cnt, Acc, Own, N) -> + MFAStr = io_lib:format("~p", [MFA]), + CallsStr = io_lib:format(" ~5.. s ", [lists:concat([N])]), + IoList = io_lib:format("~s ~3.. B " + "~s~3.. B% ~10.. B ~10.. B ~10.. B ~s => ~s\n", + [Label, length(Indent) div 2, + Indent, Percent, Cnt, + round(Acc), round(Own), CallsStr, MFAStr]), file:write(Fd, IoList). +calc_percent(Acc, Own, Total) -> + Max = safe_max(Acc, Own), + {Max, round((Max * 100) / Total)}. diff --git a/lib/megaco/test/megaco_test_lib.erl b/lib/megaco/test/megaco_test_lib.erl index 41f6c2c4cb..282fd91b44 100644 --- a/lib/megaco/test/megaco_test_lib.erl +++ b/lib/megaco/test/megaco_test_lib.erl @@ -21,6 +21,7 @@ %%---------------------------------------------------------------------- %% Purpose: Lightweight test server %%---------------------------------------------------------------------- +%% -module(megaco_test_lib). @@ -684,7 +685,7 @@ skip(Actual, File, Line) -> fatal_skip(Actual, File, Line) -> error(Actual, File, Line), - exit(shutdown). + exit({skipped, {fatal, Actual, File, Line}}). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -749,6 +750,7 @@ proxy_loop(OwnId, Controller) -> proxy_loop(OwnId, Controller) end. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Test server callbacks init_per_testcase(_Case, Config) -> @@ -852,10 +854,10 @@ watchdog(Pid, Time) -> prepare_test_case(Actions, N, Config, File, Line) -> OrigNodes = lookup_config(nodes, Config), TestNodes = lookup_config(nodenames, Config), %% For testserver - This = node(), + This = node(), SomeNodes = OrigNodes ++ (TestNodes -- OrigNodes), - AllNodes = [This | (SomeNodes -- [This])], - Nodes = pick_n_nodes(N, AllNodes, File, Line), + AllNodes = [This | (SomeNodes -- [This])], + Nodes = pick_n_nodes(N, AllNodes, File, Line), start_nodes(Nodes, File, Line), do_prepare_test_case(Actions, Nodes, Config, File, Line). diff --git a/lib/megaco/vsn.mk b/lib/megaco/vsn.mk index c1476488ca..35acffcb64 100644 --- a/lib/megaco/vsn.mk +++ b/lib/megaco/vsn.mk @@ -18,6 +18,6 @@ # %CopyrightEnd% APPLICATION = megaco -MEGACO_VSN = 3.15.1.1 +MEGACO_VSN = 3.15.1.2 PRE_VSN = APP_VSN = "$(APPLICATION)-$(MEGACO_VSN)$(PRE_VSN)" diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 72f02a4362..95a5efd6d0 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -154,18 +154,23 @@ decipher(?AES, HashSz, CipherState, Fragment, Version) -> block_decipher(Fun, #cipher_state{key=Key, iv=IV} = CipherState0, HashSz, Fragment, Version) -> - try Fun(Key, IV, Fragment) of - Text -> - GBC = generic_block_cipher_from_bin(Text, HashSz), - case is_correct_padding(GBC, Version) of - true -> - Content = GBC#generic_block_cipher.content, - Mac = GBC#generic_block_cipher.mac, - CipherState1 = CipherState0#cipher_state{iv=next_iv(Fragment, IV)}, - {Content, Mac, CipherState1}; - false -> - ?ALERT_REC(?FATAL, ?BAD_RECORD_MAC) - end + try + Text = Fun(Key, IV, Fragment), + GBC = generic_block_cipher_from_bin(Text, HashSz), + Content = GBC#generic_block_cipher.content, + Mac = GBC#generic_block_cipher.mac, + CipherState1 = CipherState0#cipher_state{iv=next_iv(Fragment, IV)}, + case is_correct_padding(GBC, Version) of + true -> + {Content, Mac, CipherState1}; + false -> + %% decryption failed or invalid padding, + %% intentionally break Content to make + %% sure a packet with a an invalid padding + %% but otherwise correct data will fail + %% the MAC test later + {<<16#F0, Content/binary>>, Mac, CipherState1} + end catch _:_ -> %% This is a DECRYPTION_FAILED but @@ -500,14 +505,38 @@ hash_size(md5) -> hash_size(sha) -> 20. +%% RFC 5246: 6.2.3.2. CBC Block Cipher +%% +%% Implementation note: Canvel et al. [CBCTIME] have demonstrated a +%% timing attack on CBC padding based on the time required to compute +%% the MAC. In order to defend against this attack, implementations +%% MUST ensure that record processing time is essentially the same +%% whether or not the padding is correct. In general, the best way to +%% do this is to compute the MAC even if the padding is incorrect, and +%% only then reject the packet. For instance, if the pad appears to be +%% incorrect, the implementation might assume a zero-length pad and then +%% compute the MAC. This leaves a small timing channel, since MAC +%% performance depends to some extent on the size of the data fragment, +%% but it is not believed to be large enough to be exploitable, due to +%% the large block size of existing MACs and the small size of the +%% timing signal. +%% +%% implementation note: +%% We return the original (possibly invalid) PadLength in any case. +%% A invalid PadLength will be cought by is_correct_padding/2 +%% generic_block_cipher_from_bin(T, HashSize) -> Sz1 = byte_size(T) - 1, - <<_:Sz1/binary, ?BYTE(PadLength)>> = T, + <<_:Sz1/binary, ?BYTE(PadLength0)>> = T, + PadLength = if + PadLength0 >= Sz1 -> 0; + true -> PadLength0 + end, CompressedLength = byte_size(T) - PadLength - 1 - HashSize, <<Content:CompressedLength/binary, Mac:HashSize/binary, - Padding:PadLength/binary, ?BYTE(PadLength)>> = T, + Padding:PadLength/binary, ?BYTE(PadLength0)>> = T, #generic_block_cipher{content=Content, mac=Mac, - padding=Padding, padding_length=PadLength}. + padding=Padding, padding_length=PadLength0}. generic_stream_cipher_from_bin(T, HashSz) -> Sz = byte_size(T), @@ -516,17 +545,18 @@ generic_stream_cipher_from_bin(T, HashSz) -> #generic_stream_cipher{content=Content, mac=Mac}. -is_correct_padding(_, {3, 0}) -> - true; -%% For interoperability reasons we do not check the padding in TLS 1.0 as it -%% is not strictly required and breaks interopability with for instance -%% Google. -is_correct_padding(_, {3, 1}) -> - true; +%% For interoperability reasons we do not check the padding content in +%% SSL 3.0 and TLS 1.0 as it is not strictly required and breaks +%% interopability with for instance Google. +is_correct_padding(#generic_block_cipher{padding_length = Len, + padding = Padding}, {3, N}) + when N == 0; N == 1 -> + Len == byte_size(Padding); %% Padding must be check in TLS 1.1 and after -is_correct_padding(#generic_block_cipher{padding_length = Len, padding = Padding}, _) -> - list_to_binary(lists:duplicate(Len, Len)) == Padding. - +is_correct_padding(#generic_block_cipher{padding_length = Len, + padding = Padding}, _) -> + Len == byte_size(Padding) andalso + list_to_binary(lists:duplicate(Len, Len)) == Padding. get_padding(Length, BlockSize) -> get_padding_aux(BlockSize, Length rem BlockSize). diff --git a/lib/ssl/test/Makefile b/lib/ssl/test/Makefile index 23a9a23190..6b1da63d08 100644 --- a/lib/ssl/test/Makefile +++ b/lib/ssl/test/Makefile @@ -39,6 +39,7 @@ MODULES = \ ssl_basic_SUITE \ ssl_handshake_SUITE \ ssl_packet_SUITE \ + ssl_cipher_SUITE \ ssl_payload_SUITE \ ssl_to_openssl_SUITE \ ssl_session_cache_SUITE \ @@ -55,6 +56,7 @@ HRL_FILES_SRC = \ ssl_internal.hrl\ ssl_alert.hrl \ ssl_handshake.hrl \ + ssl_cipher.hrl \ ssl_record.hrl HRL_FILES_INC = diff --git a/lib/ssl/test/ssl_cipher_SUITE.erl b/lib/ssl/test/ssl_cipher_SUITE.erl new file mode 100644 index 0000000000..87478e13bc --- /dev/null +++ b/lib/ssl/test/ssl_cipher_SUITE.erl @@ -0,0 +1,163 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2008-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +-module(ssl_cipher_SUITE). + +%% Note: This directive should only be used in test suites. +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). + +-include("ssl_internal.hrl"). +-include("ssl_record.hrl"). +-include("ssl_cipher.hrl"). + +-define(TIMEOUT, 600000). + +%% Test server callback functions +%%-------------------------------------------------------------------- +%% Function: init_per_suite(Config) -> Config +%% Config - [tuple()] +%% A list of key/value pairs, holding the test case configuration. +%% Description: Initialization before the whole suite +%% +%% Note: This function is free to add any key/value pairs to the Config +%% variable, but should NOT alter/remove any existing entries. +%%-------------------------------------------------------------------- +init_per_suite(Config) -> + try crypto:start() of + ok -> + Config + catch _:_ -> + {skip, "Crypto did not start"} + end. +%%-------------------------------------------------------------------- +%% Function: end_per_suite(Config) -> _ +%% Config - [tuple()] +%% A list of key/value pairs, holding the test case configuration. +%% Description: Cleanup after the whole suite +%%-------------------------------------------------------------------- +end_per_suite(_Config) -> + ssl:stop(), + application:stop(crypto). + +%%-------------------------------------------------------------------- +%% Function: init_per_testcase(TestCase, Config) -> Config +%% Case - atom() +%% Name of the test case that is about to be run. +%% Config - [tuple()] +%% A list of key/value pairs, holding the test case configuration. +%% +%% Description: Initialization before each test case +%% +%% Note: This function is free to add any key/value pairs to the Config +%% variable, but should NOT alter/remove any existing entries. +%% Description: Initialization before each test case +%%-------------------------------------------------------------------- +init_per_testcase(_TestCase, Config0) -> + Config = lists:keydelete(watchdog, 1, Config0), + Dog = ssl_test_lib:timetrap(?TIMEOUT), + [{watchdog, Dog} | Config]. + +%%-------------------------------------------------------------------- +%% Function: end_per_testcase(TestCase, Config) -> _ +%% Case - atom() +%% Name of the test case that is about to be run. +%% Config - [tuple()] +%% A list of key/value pairs, holding the test case configuration. +%% Description: Cleanup after each test case +%%-------------------------------------------------------------------- +end_per_testcase(_TestCase, Config) -> + Dog = ?config(watchdog, Config), + case Dog of + undefined -> + ok; + _ -> + test_server:timetrap_cancel(Dog) + end. + +%%-------------------------------------------------------------------- +%% Function: all(Clause) -> TestCases +%% Clause - atom() - suite | doc +%% TestCases - [Case] +%% Case - atom() +%% Name of a test case. +%% Description: Returns a list of all test cases in this test suite +%%-------------------------------------------------------------------- +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [aes_decipher_good, aes_decipher_fail]. + +groups() -> + []. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + + +%% Test cases starts here. +%%-------------------------------------------------------------------- +aes_decipher_good(doc) -> + ["Decipher a known cryptotext."]; + +aes_decipher_good(suite) -> + []; + +aes_decipher_good(Config) when is_list(Config) -> + HashSz = 32, + CipherState = #cipher_state{iv = <<59,201,85,117,188,206,224,136,5,109,46,70,104,79,4,9>>, + key = <<72,196,247,97,62,213,222,109,210,204,217,186,172,184,197,148>>}, + Fragment = <<220,193,179,139,171,33,143,245,202,47,123,251,13,232,114,8, + 190,162,74,31,186,227,119,155,94,74,119,79,169,193,240,160, + 198,181,81,19,98,162,213,228,74,224,253,168,156,59,195,122, + 108,101,107,242,20,15,169,150,163,107,101,94,93,104,241,165>>, + Version = {3,3}, + Content = <<183,139,16,132,10,209,67,86,168,100,61,217,145,57,36,56,72,69,76,76,79,10>>, + Mac = <<71,136,212,107,223,200,70,232,127,116,148,205,232,35,158,113,237,174,15,217,192,168,35,8,6,107,107,233,25,174,90,111>>, + {Content, Mac, CipherState1} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version), + ok. + +%%-------------------------------------------------------------------- + +aes_decipher_fail(doc) -> + ["Decipher a known cryptotext."]; + +aes_decipher_fail(suite) -> + []; + +%% same as above, last byte of key replaced +aes_decipher_fail(Config) when is_list(Config) -> + HashSz = 32, + CipherState = #cipher_state{iv = <<59,201,85,117,188,206,224,136,5,109,46,70,104,79,4,9>>, + key = <<72,196,247,97,62,213,222,109,210,204,217,186,172,184,197,254>>}, + Fragment = <<220,193,179,139,171,33,143,245,202,47,123,251,13,232,114,8, + 190,162,74,31,186,227,119,155,94,74,119,79,169,193,240,160, + 198,181,81,19,98,162,213,228,74,224,253,168,156,59,195,122, + 108,101,107,242,20,15,169,150,163,107,101,94,93,104,241,165>>, + Version = {3,3}, + {Content, Mac, CipherState1} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version), + 32 = byte_size(Content), + 32 = byte_size(Mac), + ok. + +%%-------------------------------------------------------------------- diff --git a/lib/stdlib/examples/erl_id_trans.erl b/lib/stdlib/examples/erl_id_trans.erl index b63acdd40a..72e41d6473 100644 --- a/lib/stdlib/examples/erl_id_trans.erl +++ b/lib/stdlib/examples/erl_id_trans.erl @@ -419,7 +419,14 @@ expr({'fun',Line,Body}) -> {'fun',Line,{clauses,Cs1}}; {function,F,A} -> {'fun',Line,{function,F,A}}; - {function,M,F,A} -> %R10B-6: fun M:F/A. + {function,M,F,A} when is_atom(M), is_atom(F), is_integer(A) -> + %% R10B-6: fun M:F/A. (Backward compatibility) + {'fun',Line,{function,M,F,A}}; + {function,M0,F0,A0} -> + %% R15: fun M:F/A with variables. + M = expr(M0), + F = expr(F0), + A = expr(A0), {'fun',Line,{function,M,F,A}} end; expr({call,Line,F0,As0}) -> diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl index 4f4fa16040..88a0094d57 100644 --- a/lib/stdlib/src/erl_eval.erl +++ b/lib/stdlib/src/erl_eval.erl @@ -256,7 +256,8 @@ expr({'receive',_,Cs}, Bs, Lf, Ef, RBs) -> expr({'receive',_, Cs, E, TB}, Bs0, Lf, Ef, RBs) -> {value,T,Bs} = expr(E, Bs0, Lf, Ef, none), receive_clauses(T, Cs, {TB,Bs}, Bs0, Lf, Ef, [], RBs); -expr({'fun',_Line,{function,Mod,Name,Arity}}, Bs, _Lf, _Ef, RBs) -> +expr({'fun',_Line,{function,Mod0,Name0,Arity0}}, Bs0, Lf, Ef, RBs) -> + {[Mod,Name,Arity],Bs} = expr_list([Mod0,Name0,Arity0], Bs0, Lf, Ef), F = erlang:make_fun(Mod, Name, Arity), ret_expr(F, Bs, RBs); expr({'fun',_Line,{function,Name,Arity}}, _Bs0, _Lf, _Ef, _RBs) -> % R8 diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 78b996d94b..5d45260fe9 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -2127,8 +2127,13 @@ expr({'fun',Line,Body}, Vt, St) -> true -> {[],St}; false -> {[],call_function(Line, F, A, St)} end; - {function,_M,_F,_A} -> - {[],St} + {function,M,F,A} when is_atom(M), is_atom(F), is_integer(A) -> + %% Compatibility with pre-R15 abstract format. + {[],St}; + {function,M,F,A} -> + %% New in R15. + {Bvt, St1} = expr_list([M,F,A], Vt, St), + {vtupdate(Bvt, Vt),St1} end; expr({call,_Line,{atom,_Lr,is_record},[E,{atom,Ln,Name}]}, Vt, St0) -> {Rvt,St1} = expr(E, Vt, St0), diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 709bd83e6f..928c10f7f2 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -35,7 +35,7 @@ tuple %struct record_expr record_tuple record_field record_fields if_expr if_clause if_clauses case_expr cr_clause cr_clauses receive_expr -fun_expr fun_clause fun_clauses +fun_expr fun_clause fun_clauses atom_or_var integer_or_var try_expr try_catch try_clause try_clauses query_expr function_call argument_list exprs guard @@ -395,11 +395,17 @@ receive_expr -> 'receive' cr_clauses 'after' expr clause_body 'end' : fun_expr -> 'fun' atom '/' integer : {'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4')}}. -fun_expr -> 'fun' atom ':' atom '/' integer : - {'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4'),element(3,'$6')}}. +fun_expr -> 'fun' atom_or_var ':' atom_or_var '/' integer_or_var : + {'fun',?line('$1'),{function,'$2','$4','$6'}}. fun_expr -> 'fun' fun_clauses 'end' : build_fun(?line('$1'), '$2'). +atom_or_var -> atom : '$1'. +atom_or_var -> var : '$1'. + +integer_or_var -> integer : '$1'. +integer_or_var -> var : '$1'. + fun_clauses -> fun_clause : ['$1']. fun_clauses -> fun_clause ';' fun_clauses : ['$1' | '$3']. diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index 7dc19f2e9b..6b5aa951cf 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -457,8 +457,16 @@ lexpr({'fun',_,{function,F,A}}, _Prec, _Hook) -> leaf(format("fun ~w/~w", [F,A])); lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Hook) -> {force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))}; -lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) -> +lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) + when is_atom(M), is_atom(F), is_integer(A) -> + %% For backward compatibility with pre-R15 abstract format. leaf(format("fun ~w:~w/~w", [M,F,A])); +lexpr({'fun',_,{function,M,F,A}}, _Prec, Hook) -> + %% New format in R15. + NameItem = lexpr(M, Hook), + CallItem = lexpr(F, Hook), + ArityItem = lexpr(A, Hook), + ["fun ",NameItem,$:,CallItem,$/,ArityItem]; lexpr({'fun',_,{clauses,Cs}}, _Prec, Hook) -> {list,[{first,'fun',fun_clauses(Cs, Hook)},'end']}; lexpr({'fun',_,{clauses,Cs},Extra}, _Prec, Hook) -> diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index 1cb9e4a25e..2fc9128e4e 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -147,9 +147,10 @@ basename(Name) when is_binary(Name) -> end; basename(Name0) -> - Name = flatten(Name0), + Name1 = flatten(Name0), {DirSep2, DrvSep} = separators(), - basename1(skip_prefix(Name, DrvSep), [], DirSep2). + Name = skip_prefix(Name1, DrvSep), + basename1(Name, Name, DirSep2). win_basenameb(<<Letter,$:,Rest/binary>>) when ?IS_DRIVELETTER(Letter) -> basenameb(Rest,[<<"/">>,<<"\\">>]); @@ -167,16 +168,18 @@ basenameb(Bin,Sep) -> -basename1([$/|[]], Tail, DirSep2) -> - basename1([], Tail, DirSep2); +basename1([$/], Tail0, _DirSep2) -> + %% End of filename -- must get rid of trailing directory separator. + [_|Tail] = lists:reverse(Tail0), + lists:reverse(Tail); basename1([$/|Rest], _Tail, DirSep2) -> - basename1(Rest, [], DirSep2); + basename1(Rest, Rest, DirSep2); basename1([DirSep2|Rest], Tail, DirSep2) when is_integer(DirSep2) -> basename1([$/|Rest], Tail, DirSep2); basename1([Char|Rest], Tail, DirSep2) when is_integer(Char) -> - basename1(Rest, [Char|Tail], DirSep2); + basename1(Rest, Tail, DirSep2); basename1([], Tail, _DirSep2) -> - lists:reverse(Tail). + Tail. skip_prefix(Name, false) -> Name; @@ -369,8 +372,8 @@ extension(Name0) -> Name = flatten(Name0), extension(Name, [], major_os_type()). -extension([$.|Rest], _Result, OsType) -> - extension(Rest, [$.], OsType); +extension([$.|Rest]=Result, _Result, OsType) -> + extension(Rest, Result, OsType); extension([Char|Rest], [], OsType) when is_integer(Char) -> extension(Rest, [], OsType); extension([$/|Rest], _Result, OsType) -> @@ -378,9 +381,9 @@ extension([$/|Rest], _Result, OsType) -> extension([$\\|Rest], _Result, win32) -> extension(Rest, [], win32); extension([Char|Rest], Result, OsType) when is_integer(Char) -> - extension(Rest, [Char|Result], OsType); + extension(Rest, Result, OsType); extension([], Result, _OsType) -> - lists:reverse(Result). + Result. %% Joins a list of filenames with directory separators. diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl index f5e180b4bd..2b691e6abf 100644 --- a/lib/stdlib/src/qlc.erl +++ b/lib/stdlib/src/qlc.erl @@ -1272,7 +1272,10 @@ abstr_term(Fun, Line) when is_function(Fun) -> case erlang:fun_info(Fun, type) of {type, external} -> {module, Module} = erlang:fun_info(Fun, module), - {'fun', Line, {function,Module,Name,Arity}}; + {'fun', Line, {function, + {atom,Line,Module}, + {atom,Line,Name}, + {integer,Line,Arity}}}; {type, local} -> {'fun', Line, {function,Name,Arity}} end diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl index 784c7cb86e..369d8b224e 100644 --- a/lib/stdlib/test/erl_eval_SUITE.erl +++ b/lib/stdlib/test/erl_eval_SUITE.erl @@ -1036,6 +1036,12 @@ funs(Config) when is_list(Config) -> lists:usort([run_many_args(SAs) || SAs <- many_args(MaxArgs)]), ?line {'EXIT',{{argument_limit,_},_}} = (catch run_many_args(many_args1(MaxArgs+1))), + + ?line check(fun() -> M = lists, F = fun M:reverse/1, + [1,2] = F([2,1]), ok end, + "begin M = lists, F = fun M:reverse/1," + " [1,2] = F([2,1]), ok end.", + ok), ok. run_many_args({S, As}) -> diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl index 280c95b1aa..64853ca078 100644 --- a/lib/stdlib/test/erl_pp_SUITE.erl +++ b/lib/stdlib/test/erl_pp_SUITE.erl @@ -116,7 +116,6 @@ func(Config) when is_list(Config) -> {func_3, <<"t() -> fun t/0.">>}, {func_4, - %% Has already been expanded away in sys_pre_expand. <<"t() -> fun modul:foo/3.">>}, {func_5, % 'when' is moved down one line <<"tkjlksjflksdjflsdjlk() @@ -127,7 +126,9 @@ func(Config) when is_list(Config) -> <<"t() -> (fun() -> true - end)().">>} + end)().">>}, + {func_7, + <<"t(M, F, A) -> fun M:F/A.">>} ], ?line compile(Config, Ts), ok. diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl index 98eeaee118..8a9d8f7883 100644 --- a/lib/stdlib/test/qlc_SUITE.erl +++ b/lib/stdlib/test/qlc_SUITE.erl @@ -6632,7 +6632,7 @@ otp_7232(Config) when is_list(Config) -> {call,_, {remote,_,{atom,_,qlc},{atom,_,sort}}, [{cons,_, - {'fun',_,{function,math,sqrt,_}}, + {'fun',_,{function,{atom,_,math},{atom,_,sqrt},_}}, {cons,_, {string,_,\"<0.4.1>\"}, % could use list_to_pid.. {cons,_,{string,_,\"#Ref<\"++_},{nil,_}}}}, diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl index 9df5f26454..7f58fda519 100644 --- a/lib/syntax_tools/src/erl_syntax.erl +++ b/lib/syntax_tools/src/erl_syntax.erl @@ -6093,11 +6093,16 @@ implicit_fun_name(Node) -> {'fun', Pos, {function, Atom, Arity}} -> arity_qualifier(set_pos(atom(Atom), Pos), set_pos(integer(Arity), Pos)); - {'fun', Pos, {function, Module, Atom, Arity}} -> + {'fun', Pos, {function, Module, Atom, Arity}} + when is_atom(Module), is_atom(Atom), is_integer(Arity) -> + %% Backward compatibility with pre-R15 abstract format. module_qualifier(set_pos(atom(Module), Pos), arity_qualifier( set_pos(atom(Atom), Pos), set_pos(integer(Arity), Pos))); + {'fun', Pos, {function, Module, Atom, Arity}} -> + %% New in R15: fun M:F/A. + module_qualifier(Module, arity_qualifier(Atom, Arity)); Node1 -> data(Node1) end. diff --git a/lib/tools/src/xref_reader.erl b/lib/tools/src/xref_reader.erl index d22f0df164..92f0c45c7b 100644 --- a/lib/tools/src/xref_reader.erl +++ b/lib/tools/src/xref_reader.erl @@ -158,15 +158,20 @@ expr({'try',_Line,Es,Scs,Ccs,As}, S) -> S2 = clauses(Scs, S1), S3 = clauses(Ccs, S2), expr(As, S3); -expr({call, Line, - {remote, _, {atom,_,erlang}, {atom,_,make_fun}}, - [{atom,_,Mod}, {atom,_,Fun}, {integer,_,Arity}]}, S) -> - %% Added in R10B-6. M:F/A. - expr({'fun', Line, {function, Mod, Fun, Arity}}, S); -expr({'fun', Line, {function, Mod, Name, Arity}}, S) -> - %% Added in R10B-6. M:F/A. +expr({'fun', Line, {function, {atom,_,Mod}, + {atom,_,Name}, + {integer,_,Arity}}}, S) -> + %% New format in R15. M:F/A (literals). As = lists:duplicate(Arity, {atom, Line, foo}), external_call(Mod, Name, As, Line, false, S); +expr({'fun', Line, {function, Mod, Name, {integer,_,Arity}}}, S) -> + %% New format in R15. M:F/A (one or more variables). + As = lists:duplicate(Arity, {atom, Line, foo}), + external_call(erlang, apply, [Mod, Name, list2term(As)], Line, true, S); +expr({'fun', Line, {function, Mod, Name, _Arity}}, S) -> + %% New format in R15. M:F/A (one or more variables). + As = {var, Line, '_'}, + external_call(erlang, apply, [Mod, Name, As], Line, true, S); expr({'fun', Line, {function, Name, Arity}, _Extra}, S) -> %% Added in R8. handle_call(local, S#xrefr.module, Name, Arity, Line, S); @@ -286,10 +291,10 @@ check_funarg(W, ArgsList, Line, S) -> expr(ArgsList, S1). funarg({'fun', _, _Clauses, _Extra}, _S) -> true; -funarg({var, _, Var}, S) -> member(Var, S#xrefr.funvars); -funarg({call,_,{remote,_,{atom,_,erlang},{atom,_,make_fun}},_MFA}, _S) -> - %% R10B-6. M:F/A. +funarg({'fun', _, {function,_,_,_}}, _S) -> + %% New abstract format for fun M:F/A in R15. true; +funarg({var, _, Var}, S) -> member(Var, S#xrefr.funvars); funarg(_, _S) -> false. fun_args(apply2, [FunArg, Args]) -> {FunArg, Args}; diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl index fe7f92de78..881a3c2997 100644 --- a/lib/tools/test/cover_SUITE.erl +++ b/lib/tools/test/cover_SUITE.erl @@ -583,21 +583,14 @@ otp_6115_1(Config) -> %% called -- running cover compiled code when there is no cover %% server and thus no ets tables to bump counters in, makes no %% sense. - ?line Pid1 = f1:start_fail(), - - %% If f1 is cover compiled, a process P is started with a - %% reference to the fun created in start_ok/0, and - %% cover:stop() is called, then P should survive. - %% This is because (the fun held by) P always references the current - %% version of the module, and is thus not affected by the cover - %% compiled version being unloaded. - ?line Pid2 = f1:start_ok(), + Pid1 = f1:start_a(), + Pid2 = f1:start_b(), %% Now stop cover ?line cover:stop(), - %% Ensure that f1 is loaded (and not cover compiled), that Pid1 - %% is dead and Pid2 is alive, but with no reference to old code + %% Ensure that f1 is loaded (and not cover compiled), and that + %% both Pid1 and Pid2 are dead. case code:which(f1) of Beam when is_list(Beam) -> ok; @@ -608,19 +601,15 @@ otp_6115_1(Config) -> undefined -> ok; _PI1 -> - RefToOldP = erlang:check_process_code(Pid1, f1), - ?line ?t:fail({"Pid1 still alive", RefToOldP}) + RefToOldP1 = erlang:check_process_code(Pid1, f1), + ?t:fail({"Pid1 still alive", RefToOldP1}) end, case process_info(Pid2) of - PI2 when is_list(PI2) -> - case erlang:check_process_code(Pid2, f2) of - false -> - ok; - true -> - ?line ?t:fail("Pid2 has ref to old code") - end; undefined -> - ?line ?t:fail("Pid2 has died") + ok; + _PI2 -> + RefToOldP2 = erlang:check_process_code(Pid1, f2), + ?t:fail({"Pid2 still alive", RefToOldP2}) end, ?line file:set_cwd(CWD), diff --git a/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl b/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl index b659e5d818..5399b33f19 100644 --- a/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl +++ b/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl @@ -1,12 +1,13 @@ -module(f1). --export([start_fail/0, start_ok/0]). +-export([start_a/0, start_b/0]). -start_fail() -> +start_a() -> f2:start(fun() -> - io:format("this does not work\n",[]) + ok end). -start_ok() -> +start_b() -> f2:start(fun fun1/0). + fun1() -> - io:format("this works\n",[]). + ok. diff --git a/lib/tools/test/xref_SUITE.erl b/lib/tools/test/xref_SUITE.erl index 2f83ab4995..e0876381ca 100644 --- a/lib/tools/test/xref_SUITE.erl +++ b/lib/tools/test/xref_SUITE.erl @@ -46,7 +46,8 @@ -export([ add/1, default/1, info/1, lib/1, read/1, read2/1, remove/1, replace/1, update/1, deprecated/1, trycatch/1, - abstract_modules/1, fun_mfa/1, qlc/1]). + abstract_modules/1, fun_mfa/1, fun_mfa_r14/1, + fun_mfa_vars/1, qlc/1]). -export([ analyze/1, basic/1, md/1, q/1, variables/1, unused_locals/1]). @@ -82,7 +83,7 @@ groups() -> {files, [], [add, default, info, lib, read, read2, remove, replace, update, deprecated, trycatch, abstract_modules, fun_mfa, - qlc]}, + fun_mfa_r14, fun_mfa_vars, qlc]}, {analyses, [], [analyze, basic, md, q, variables, unused_locals]}, {misc, [], [format_error, otp_7423, otp_7831]}]. @@ -1771,6 +1772,88 @@ fun_mfa(Conf) when is_list(Conf) -> ?line ok = file:delete(Beam), ok. +%% Same as the previous test case, except that we use a BEAM file +%% that was compiled by an R14 compiler to test backward compatibility. +fun_mfa_r14(Conf) when is_list(Conf) -> + Dir = ?config(data_dir, Conf), + MFile = fname(Dir, "fun_mfa_r14"), + + A = fun_mfa_r14, + {ok, _} = xref:start(s), + {ok, A} = xref:add_module(s, MFile, {warnings,false}), + {ok, [{{{A,t,0},{'$M_EXPR','$F_EXPR',0}},[7]}, + {{{A,t,0},{A,t,0}},[6]}, + {{{A,t1,0},{'$M_EXPR','$F_EXPR',0}},[11]}, + {{{A,t1,0},{A,t,0}},[10]}, + {{{A,t2,0},{A,t,0}},[14]}, + {{{A,t3,0},{A,t3,0}},[17]}]} = + xref:q(s, "(Lin) E"), + + ok = check_state(s), + xref:stop(s), + + ok. + +%% fun M:F/A with varibles. +fun_mfa_vars(Conf) when is_list(Conf) -> + Dir = ?copydir, + File = fname(Dir, "fun_mfa_vars.erl"), + MFile = fname(Dir, "fun_mfa_vars"), + Beam = fname(Dir, "fun_mfa_vars.beam"), + Test = <<"-module(fun_mfa_vars). + + -export([t/1, t1/1, t2/3]). + + t(Mod) -> + F = fun Mod:bar/2, + (F)(a, b). + + t1(Name) -> + F = fun ?MODULE:Name/1, + (F)(a). + + t2(Mod, Name, Arity) -> + F = fun Mod:Name/Arity, + (F)(a). + + t3(Arity) -> + F = fun ?MODULE:t/Arity, + (F)(1, 2, 3). + + t4(Mod, Name) -> + F = fun Mod:Name/3, + (F)(a, b, c). + + t5(Mod, Arity) -> + F = fun Mod:t/Arity, + (F)(). + ">>, + + ok = file:write_file(File, Test), + A = fun_mfa_vars, + {ok, A} = compile:file(File, [report,debug_info,{outdir,Dir}]), + {ok, _} = xref:start(s), + {ok, A} = xref:add_module(s, MFile, {warnings,false}), + {ok, [{{{A,t,1},{'$M_EXPR','$F_EXPR',2}},[7]}, + {{{A,t,1},{'$M_EXPR',bar,2}},[6]}, + {{{A,t1,1},{'$M_EXPR','$F_EXPR',1}},[11]}, + {{{A,t1,1},{A,'$F_EXPR',1}},[10]}, + {{{A,t2,3},{'$M_EXPR','$F_EXPR',-1}},[14]}, + {{{A,t2,3},{'$M_EXPR','$F_EXPR',1}},[15]}, + {{{A,t3,1},{'$M_EXPR','$F_EXPR',3}},[19]}, + {{{A,t3,1},{fun_mfa_vars,t,-1}},[18]}, + {{{A,t4,2},{'$M_EXPR','$F_EXPR',3}},[22,23]}, + {{{A,t5,2},{'$M_EXPR','$F_EXPR',0}},[27]}, + {{{A,t5,2},{'$M_EXPR',t,-1}},[26]}]} = + xref:q(s, "(Lin) E"), + + ok = check_state(s), + xref:stop(s), + + ok = file:delete(File), + ok = file:delete(Beam), + ok. + qlc(suite) -> []; qlc(doc) -> ["OTP-5195: A bug fix when using qlc:q/1,2."]; qlc(Conf) when is_list(Conf) -> diff --git a/lib/tools/test/xref_SUITE_data/fun_mfa_r14.beam b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.beam Binary files differnew file mode 100644 index 0000000000..4645525690 --- /dev/null +++ b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.beam diff --git a/lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl new file mode 100644 index 0000000000..293bd83a8b --- /dev/null +++ b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl @@ -0,0 +1,18 @@ +-module(fun_mfa_r14). + +-export([t/0, t1/0, t2/0, t3/0]). + +t() -> + F = fun ?MODULE:t/0, + (F)(). + +t1() -> + F = fun t/0, + (F)(). + +t2() -> + fun ?MODULE:t/0(). + +t3() -> + fun t3/0(). + |