diff options
Diffstat (limited to 'lib/stdlib/src')
| -rw-r--r-- | lib/stdlib/src/Makefile | 3 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_anno.erl | 460 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_parse.yrl | 160 | ||||
| -rw-r--r-- | lib/stdlib/src/stdlib.app.src | 3 |
4 files changed, 623 insertions, 3 deletions
diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile index 1b3744b6fb..baa178e624 100644 --- a/lib/stdlib/src/Makefile +++ b/lib/stdlib/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1996-2013. All Rights Reserved. +# Copyright Ericsson AB 1996-2015. 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 @@ -58,6 +58,7 @@ MODULES= \ edlin \ edlin_expand \ epp \ + erl_anno \ erl_bits \ erl_compile \ erl_eval \ diff --git a/lib/stdlib/src/erl_anno.erl b/lib/stdlib/src/erl_anno.erl new file mode 100644 index 0000000000..963b7278a6 --- /dev/null +++ b/lib/stdlib/src/erl_anno.erl @@ -0,0 +1,460 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1996-2015. 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(erl_anno). + +-export([new/1, is_anno/1]). +-export([column/1, end_location/1, file/1, generated/1, + line/1, location/1, record/1, text/1]). +-export([set_file/2, set_generated/2, set_line/2, set_location/2, + set_record/2, set_text/2]). + +%% To be used when necessary to avoid Dialyzer warnings. +-export([to_term/1, from_term/1]). + +-export_type([anno/0, line/0, column/0, location/0, text/0]). + +-export_type([anno_term/0]). + +-define(LN(L), is_integer(L)). +-define(COL(C), (is_integer(C) andalso C >= 1)). + +%% Location. +-define(LCOLUMN(C), ?COL(C)). +-define(LLINE(L), ?LN(L)). + +%% Debug: define DEBUG to make sure that annotations are handled as an +%% opaque type. Note that all abstract code need to be compiled with +%% DEBUG=true. See also ./erl_pp.erl. + +%-define(DEBUG, true). + +-type annotation() :: {'file', filename()} + | {'generated', generated()} + | {'location', location()} + | {'record', record()} + | {'text', string()}. + +-type anno() :: location() | [annotation(), ...]. +-type anno_term() :: term(). + +-type column() :: pos_integer(). +-type generated() :: boolean(). +-type filename() :: file:filename_all(). +-type line() :: integer(). +-type location() :: line() | {line(), column()}. +-type record() :: boolean(). +-type text() :: string(). + +-ifdef(DEBUG). +%% Anything 'false' accepted by the compiler. +-define(ALINE(A), is_reference(A)). +-define(ACOLUMN(A), is_reference(A)). +-else. +-define(ALINE(L), ?LN(L)). +-define(ACOLUMN(C), ?COL(C)). +-endif. + +-spec to_term(Anno) -> anno_term() when + Anno :: anno(). + +-ifdef(DEBUG). +to_term(Anno) -> + simplify(Anno). +-else. +to_term(Anno) -> + Anno. +-endif. + +-spec from_term(Term) -> Anno when + Term :: anno_term(), + Anno :: anno(). + +-ifdef(DEBUG). +from_term(Term) when is_list(Term) -> + Term; +from_term(Term) -> + [{location, Term}]. +-else. +from_term(Term) -> + Term. +-endif. + +-spec new(Location) -> anno() when + Location :: location(). + +new(Line) when ?LLINE(Line) -> + new_location(Line); +new({Line, Column}=Loc) when ?LLINE(Line), ?LCOLUMN(Column) -> + new_location(Loc); +new(Term) -> + erlang:error(badarg, [Term]). + +-ifdef(DEBUG). +new_location(Location) -> + [{location, Location}]. +-else. +new_location(Location) -> + Location. +-endif. + +-spec is_anno(Term) -> boolean() when + Term :: any(). + +is_anno(Line) when ?ALINE(Line) -> + true; +is_anno({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + true; +is_anno(Anno) -> + (Anno =/= [] andalso + is_anno1(Anno) andalso + lists:keymember(location, 1, Anno)). + +is_anno1([{Item, Value}|Anno]) -> + is_anno2(Item, Value) andalso is_anno1(Anno); +is_anno1(A) -> + A =:= []. + +is_anno2(location, Line) when ?LN(Line) -> + true; +is_anno2(location, {Line, Column}) when ?LN(Line), ?COL(Column) -> + true; +is_anno2(generated, true) -> + true; +is_anno2(file, Filename) -> + is_filename(Filename); +is_anno2(record, true) -> + true; +is_anno2(text, Text) -> + is_string(Text); +is_anno2(_, _) -> + false. + +is_filename(T) -> + is_string(T) orelse is_binary(T). + +is_string(T) -> + try lists:all(fun(C) when is_integer(C), C >= 0 -> true end, T) + catch _:_ -> false + end. + +-spec column(Anno) -> column() | 'undefined' when + Anno :: anno(). + +column({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + Column; +column(Line) when ?ALINE(Line) -> + undefined; +column(Anno) -> + case location(Anno) of + {_Line, Column} -> + Column; + _Line -> + undefined + end. + +-spec end_location(Anno) -> location() | 'undefined' when + Anno :: anno(). + +end_location(Anno) -> + case text(Anno) of + undefined -> + undefined; + Text -> + case location(Anno) of + {Line, Column} -> + end_location(Text, Line, Column); + Line -> + end_location(Text, Line) + end + end. + +-spec file(Anno) -> filename() | 'undefined' when + Anno :: anno(). + +file(Line) when ?ALINE(Line) -> + undefined; +file({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + undefined; +file(Anno) -> + anno_info(Anno, file). + +-spec generated(Anno) -> generated() when + Anno :: anno(). + +generated(Line) when ?ALINE(Line) -> + Line =< 0; +generated({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + Line =< 0; +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. + +-spec line(Anno) -> line() when + Anno :: anno(). + +line(Anno) -> + case location(Anno) of + {Line, _Column} -> + Line; + Line -> + Line + end. + +-spec location(Anno) -> location() when + Anno :: anno(). + +location(Line) when ?ALINE(Line) -> + abs(Line); +location({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + {abs(Line), Column}; +location(Anno) -> + case anno_info(Anno, location) of + Line when Line < 0 -> + -Line; + {Line, Column} when Line < 0 -> + {-Line, Column}; + Location -> + Location + end. + +-spec record(Anno) -> record() when + Anno :: anno(). + +record(Line) when ?ALINE(Line) -> + false; +record({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + false; +record(Anno) -> + anno_info(Anno, record, false). + +-spec text(Anno) -> text() | 'undefined' when + Anno :: anno(). + +text(Line) when ?ALINE(Line) -> + undefined; +text({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + undefined; +text(Anno) -> + anno_info(Anno, text). + +-spec set_file(File, Anno) -> Anno when + File :: filename(), + Anno :: anno(). + +set_file(File, Anno) -> + set(file, File, Anno). + +-spec set_generated(Generated, Anno) -> Anno when + 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}). + +-spec set_line(Line, Anno) -> Anno when + Line :: line(), + Anno :: anno(). + +set_line(Line, Anno) -> + case location(Anno) of + {_Line, Column} -> + set_location({Line, Column}, Anno); + _Line -> + set_location(Line, Anno) + end. + +-spec set_location(Location, Anno) -> Anno when + Location :: location(), + Anno :: anno(). + +set_location(Line, L) when ?ALINE(L), ?LLINE(Line) -> + new_location(fix_line(Line, L)); +set_location(Line, {L, Column}) when ?ALINE(L), ?ACOLUMN(Column), + ?LLINE(Line) -> + new_location(fix_line(Line, L)); +set_location({L, C}=Loc, Line) when ?ALINE(Line), ?LLINE(L), ?LCOLUMN(C) -> + new_location(fix_location(Loc, Line)); +set_location({L, C}=Loc, {Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column), + ?LLINE(L), ?LCOLUMN(C) -> + new_location(fix_location(Loc, Line)); +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. + +-spec set_record(Record, Anno) -> Anno when + Record :: record(), + Anno :: anno(). + +set_record(Record, Anno) -> + set(record, Record, Anno). + +-spec set_text(Text, Anno) -> Anno when + Text :: text(), + Anno :: anno(). + +set_text(Text, Anno) -> + set(text, Text, Anno). + +set(Item, Value, Anno) -> + case {is_settable(Item, Value), Anno} of + {true, Line} when ?ALINE(Line) -> + set_anno(Item, Value, [{location, Line}]); + {true, {L, C}=Location} when ?ALINE(L), ?ACOLUMN(C) -> + set_anno(Item, Value, [{location, Location}]); + {true, A} when is_list(A), A =/= [] -> + set_anno(Item, Value, Anno); + _ -> + erlang:error(badarg, [Item, Value, Anno]) + end. + +set_anno(Item, Value, Anno) -> + case default(Item, Value) of + true -> + reset(Anno, Item); + false -> + R = case anno_info(Anno, Item) of + undefined -> + [{Item, Value}|Anno]; + _ -> + lists:keyreplace(Item, 1, Anno, {Item, Value}) + end, + simplify(R) + end. + +reset(Anno, Item) -> + A = lists:keydelete(Item, 1, Anno), + reset_simplify(A). + +-ifdef(DEBUG). +reset_simplify(A) -> + A. +-else. +reset_simplify(A) -> + simplify(A). +-endif. + +simplify([{location, Location}]) -> + Location; +simplify(Anno) -> + Anno. + +anno_info(Anno, Item, Default) -> + try lists:keyfind(Item, 1, Anno) of + false -> + Default; + {Item, Value} -> + Value + catch + _:_ -> + erlang:error(badarg, [Anno]) + end. + +anno_info(Anno, Item) -> + try lists:keyfind(Item, 1, Anno) of + {Item, Value} -> + Value; + false -> + undefined + catch + _:_ -> + erlang:error(badarg, [Anno]) + end. + +end_location("", Line, Column) -> + {Line, Column}; +end_location([$\n|String], Line, _Column) -> + end_location(String, Line+1, 1); +end_location([_|String], Line, Column) -> + end_location(String, Line, Column+1). + +end_location("", Line) -> + Line; +end_location([$\n|String], Line) -> + end_location(String, Line+1); +end_location([_|String], Line) -> + end_location(String, Line). + +is_settable(file, File) -> + is_filename(File); +is_settable(generated, Boolean) when Boolean; not Boolean -> + true; +is_settable(location, Line) when ?LLINE(Line) -> + true; +is_settable(location, {Line, Column}) when ?LLINE(Line), ?LCOLUMN(Column) -> + true; +is_settable(record, Boolean) when Boolean; not Boolean -> + true; +is_settable(text, Text) -> + is_string(Text); +is_settable(_, _) -> + false. + +default(generated, false) -> true; +default(record, false) -> true; +default(_, _) -> false. diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 3502a50eaa..b7469a05da 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. 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 @@ -524,6 +524,8 @@ Erlang code. -export([normalise/1,abstract/1,tokens/1,tokens/2]). -export([abstract/2]). -export([inop_prec/1,preop_prec/1,func_prec/0,max_prec/0]). +-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]). %% The following directive is needed for (significantly) faster compilation @@ -533,6 +535,7 @@ Erlang code. -export_type([abstract_clause/0, abstract_expr/0, abstract_form/0, error_info/0]). +%% XXX. To be refined. -type abstract_clause() :: term(). -type abstract_expr() :: term(). -type abstract_form() :: term(). @@ -1101,4 +1104,159 @@ get_attribute(L, Name) -> get_attributes(L) -> erl_scan:attributes_info(L). +-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(). + +map_anno(F0, Abstr) -> + F = fun(A, Acc) -> {F0(A), Acc} end, + {NewAbstr, []} = modify_anno1(Abstr, [], F), + NewAbstr. + +-spec fold_anno(Fun, Acc0, Abstr) -> NewAbstr when + Fun :: fun((Anno, AccIn) -> AccOut), + Anno :: erl_anno:anno(), + Acc0 :: term(), + AccIn :: term(), + AccOut :: term(), + Abstr :: abstract_form() | abstract_expr(), + NewAbstr :: abstract_form() | abstract_expr(). + +fold_anno(F0, Acc0, Abstr) -> + F = fun(A, Acc) -> {A, F0(A, Acc)} end, + {_, NewAcc} = modify_anno1(Abstr, Acc0, F), + NewAcc. + +-spec mapfold_anno(Fun, Acc0, Abstr) -> {NewAbstr, Acc1} when + Fun :: fun((Anno, AccIn) -> {Anno, AccOut}), + Anno :: erl_anno:anno(), + Acc0 :: term(), + Acc1 :: term(), + AccIn :: term(), + AccOut :: term(), + Abstr :: abstract_form() | abstract_expr(), + NewAbstr :: abstract_form() | abstract_expr(). + +mapfold_anno(F, Acc0, Abstr) -> + modify_anno1(Abstr, Acc0, F). + +-spec new_anno(Term) -> Abstr when + Term :: term(), + Abstr :: abstract_form() | abstract_expr(). + +new_anno(Term) -> + F = fun(Loc) -> erl_anno:new(Loc) end, + map_anno(F, Term). + +-spec anno_to_term(Abstr) -> term() when + Abstr :: abstract_form() | abstract_expr(). + +anno_to_term(Abstract) -> + F = fun(Anno) -> erl_anno:to_term(Anno) end, + map_anno(F, Abstract). + +-spec anno_from_term(Term) -> abstract_form() | abstract_expr() when + Term :: term(). + +anno_from_term(Term) -> + F = fun(T) -> erl_anno:from_term(T) end, + map_anno(F, Term). + +%% Forms. +%% Recognize what sys_pre_expand does: +modify_anno1({'fun',A,F,{_,_,_}=Id}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {F1,Ac2} = modify_anno1(F, Ac1, Mf), + {{'fun',A1,F1,Id},Ac2}; +modify_anno1({named_fun,A,N,F,{_,_,_}=Id}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {F1,Ac2} = modify_anno1(F, Ac1, Mf), + {{named_fun,A1,N,F1,Id},Ac2}; +modify_anno1({attribute,A,N,[V]}, Ac, Mf) -> + {{attribute,A1,N1,V1},Ac1} = modify_anno1({attribute,A,N,V}, Ac, Mf), + {{attribute,A1,N1,[V1]},Ac1}; +%% End of sys_pre_expand special forms. +modify_anno1({function,F,A}, Ac, _Mf) -> + {{function,F,A},Ac}; +modify_anno1({function,M,F,A}, Ac, Mf) -> + {M1,Ac1} = modify_anno1(M, Ac, Mf), + {F1,Ac2} = modify_anno1(F, Ac1, Mf), + {A1,Ac3} = modify_anno1(A, Ac2, Mf), + {{function,M1,F1,A1},Ac3}; +modify_anno1({attribute,A,record,{Name,Fields}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {Fields1,Ac2} = modify_anno1(Fields, Ac1, Mf), + {{attribute,A1,record,{Name,Fields1}},Ac2}; +modify_anno1({attribute,A,spec,{Fun,Types}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {Types1,Ac2} = modify_anno1(Types, Ac1, Mf), + {{attribute,A1,spec,{Fun,Types1}},Ac2}; +modify_anno1({attribute,A,callback,{Fun,Types}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {Types1,Ac2} = modify_anno1(Types, Ac1, Mf), + {{attribute,A1,callback,{Fun,Types1}},Ac2}; +modify_anno1({attribute,A,type,{TypeName,TypeDef,Args}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {TypeDef1,Ac2} = modify_anno1(TypeDef, Ac1, Mf), + {Args1,Ac3} = modify_anno1(Args, Ac2, Mf), + {{attribute,A1,type,{TypeName,TypeDef1,Args1}},Ac3}; +modify_anno1({attribute,A,opaque,{TypeName,TypeDef,Args}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {TypeDef1,Ac2} = modify_anno1(TypeDef, Ac1, Mf), + {Args1,Ac3} = modify_anno1(Args, Ac2, Mf), + {{attribute,A1,opaque,{TypeName,TypeDef1,Args1}},Ac3}; +modify_anno1({attribute,A,Attr,Val}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {{attribute,A1,Attr,Val},Ac1}; +modify_anno1({warning,W}, Ac, _Mf) -> + {{warning,W},Ac}; +modify_anno1({error,W}, Ac, _Mf) -> + {{error,W},Ac}; +%% Expressions. +modify_anno1({clauses,Cs}, Ac, Mf) -> + {Cs1,Ac1} = modify_anno1(Cs, Ac, Mf), + {{clauses,Cs1},Ac1}; +modify_anno1({typed_record_field,Field,Type}, Ac, Mf) -> + {Field1,Ac1} = modify_anno1(Field, Ac, Mf), + {Type1,Ac2} = modify_anno1(Type, Ac1, Mf), + {{typed_record_field,Field1,Type1},Ac2}; +modify_anno1({Tag,A}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {{Tag,A1},Ac1}; +modify_anno1({Tag,A,E1}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {{Tag,A1,E11},Ac2}; +modify_anno1({Tag,A,E1,E2}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {{Tag,A1,E11,E21},Ac3}; +modify_anno1({bin_element,A,E1,E2,TSL}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {{bin_element,A1,E11,E21, TSL},Ac3}; +modify_anno1({Tag,A,E1,E2,E3}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {E31,Ac4} = modify_anno1(E3, Ac3, Mf), + {{Tag,A1,E11,E21,E31},Ac4}; +modify_anno1({Tag,A,E1,E2,E3,E4}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {E31,Ac4} = modify_anno1(E3, Ac3, Mf), + {E41,Ac5} = modify_anno1(E4, Ac4, Mf), + {{Tag,A1,E11,E21,E31,E41},Ac5}; +modify_anno1([H|T], Ac, Mf) -> + {H1,Ac1} = modify_anno1(H, Ac, Mf), + {T1,Ac2} = modify_anno1(T, Ac1, Mf), + {[H1|T1],Ac2}; +modify_anno1([], Ac, _Mf) -> {[],Ac}; +modify_anno1(E, Ac, _Mf) when not is_tuple(E), not is_list(E) -> {E,Ac}. + %% vim: ft=erlang diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src index a435d683a5..d4d2237b38 100644 --- a/lib/stdlib/src/stdlib.app.src +++ b/lib/stdlib/src/stdlib.app.src @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. 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 @@ -39,6 +39,7 @@ edlin_expand, epp, eval_bits, + erl_anno, erl_bits, erl_compile, erl_eval, |