diff options
| -rw-r--r-- | lib/stdlib/src/erl_parse.yrl | 10 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_pp.erl | 10 | ||||
| -rw-r--r-- | lib/stdlib/test/erl_pp_SUITE.erl | 24 |
3 files changed, 32 insertions, 12 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index bb4b18cf9b..15b45d72f4 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2011. 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 @@ -757,7 +757,8 @@ record_fields([{typed,Expr,TypeInfo}|Fields]) -> {atom, La, _} -> case has_undefined(TypeInfo) of false -> - lift_unions(abstract(undefined, La), TypeInfo); + TypeInfo2 = maybe_add_paren(TypeInfo), + lift_unions(abstract(undefined, La), TypeInfo2); true -> TypeInfo end @@ -778,6 +779,11 @@ has_undefined({type,_,union,Ts}) -> has_undefined(_) -> false. +maybe_add_paren({ann_type,L,T}) -> + {paren_type,L,[{ann_type,L,T}]}; +maybe_add_paren(T) -> + T. + term(Expr) -> try normalise(Expr) catch _:_R -> ret_err(?line(Expr), "bad attribute") diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index df4a20b833..66c80a45cb 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2011. 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 @@ -558,17 +558,11 @@ record_field({typed_record_field,{record_field,_,F,Val},Type}, Hook) -> Fl = lexpr(F, L, Hook), Vl = typed(lexpr(Val, R, Hook), Type), {list,[{cstep,[Fl,' ='],Vl}]}; -record_field({typed_record_field,Field,Type0}, Hook) -> - Type = remove_undefined(Type0), +record_field({typed_record_field,Field,Type}, Hook) -> typed(record_field(Field, Hook), Type); record_field({record_field,_,F}, Hook) -> lexpr(F, 0, Hook). -remove_undefined({type,L,union,[{atom,_,undefined}|T]}) -> - {type,L,union,T}; -remove_undefined(T) -> % cannot happen - T. - list({cons,_,H,T}, Es, Hook) -> list(T, [H|Es], Hook); list({nil,_}, Es, Hook) -> diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl index 822886cb8a..bc811355ab 100644 --- a/lib/stdlib/test/erl_pp_SUITE.erl +++ b/lib/stdlib/test/erl_pp_SUITE.erl @@ -48,7 +48,7 @@ neg_indent/1, otp_6321/1, otp_6911/1, otp_6914/1, otp_8150/1, otp_8238/1, - otp_8473/1, otp_8522/1, otp_8567/1, otp_8664/1]). + otp_8473/1, otp_8522/1, otp_8567/1, otp_8664/1, otp_9147/1]). %% Internal export. -export([ehook/6]). @@ -79,7 +79,7 @@ groups() -> {attributes, [], [misc_attrs, import_export]}, {tickets, [], [otp_6321, otp_6911, otp_6914, otp_8150, otp_8238, - otp_8473, otp_8522, otp_8567, otp_8664]}]. + otp_8473, otp_8522, otp_8567, otp_8664, otp_9147]}]. init_per_suite(Config) -> Config. @@ -1047,6 +1047,26 @@ otp_8664(Config) when is_list(Config) -> ok. +otp_9147(doc) -> + "OTP_9147. Create well-formed types when adding 'undefined'."; +otp_9147(suite) -> []; +otp_9147(Config) when is_list(Config) -> + FileName = filename('otp_9147.erl', Config), + C1 = <<"-module(otp_9147).\n" + "-export_type([undef/0]).\n" + "-record(undef, {f1 :: F1 :: a | b}).\n" + "-type undef() :: #undef{}.\n">>, + ?line ok = file:write_file(FileName, C1), + ?line {ok, _, []} = + compile:file(FileName, [return,'P',{outdir,?privdir}]), + PFileName = filename('otp_9147.P', Config), + ?line {ok, Bin} = file:read_file(PFileName), + %% The parentheses around "F1 :: a | b" are new (bugfix). + ?line true = + lists:member("-record(undef,{f1 :: undefined | (F1 :: a | b)}).", + string:tokens(binary_to_list(Bin), "\n")), + ok. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% compile(Config, Tests) -> |