From 5066ac923c1dbaa90d63e39b52b60f883284a8ad Mon Sep 17 00:00:00 2001 From: Hans Bolinder Date: Thu, 24 Sep 2015 13:43:32 +0200 Subject: hipe/dialyzer: Remove functions from erl_bif_types --- lib/dialyzer/test/small_SUITE_data/results/bif1 | 3 + .../test/small_SUITE_data/src/bif1/bif1.erl | 16 ++++ .../test/small_SUITE_data/src/bif1/bif1_adt.erl | 12 +++ lib/hipe/cerl/erl_bif_types.erl | 89 ---------------------- 4 files changed, 31 insertions(+), 89 deletions(-) create mode 100644 lib/dialyzer/test/small_SUITE_data/results/bif1 create mode 100644 lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl create mode 100644 lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl diff --git a/lib/dialyzer/test/small_SUITE_data/results/bif1 b/lib/dialyzer/test/small_SUITE_data/results/bif1 new file mode 100644 index 0000000000..289b6f821f --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/bif1 @@ -0,0 +1,3 @@ + +bif1.erl:13: Function string_chars/0 has no local return +bif1.erl:16: The call string:chars(S::65,10,L2::bif1_adt:s()) contains an opaque term as 3rd argument when terms of different types are expected in these positions diff --git a/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl new file mode 100644 index 0000000000..bc746538d3 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl @@ -0,0 +1,16 @@ +-module(bif1). + +%% Other set of warnings due to removed of functions from +%% erl_bif_types. + +-export([ets_rename/0, string_chars/0]). + +ets_rename() -> + A = ets:new(fipp, []), + true = not is_atom(A), + ets:rename(A, fopp). % No warning + +string_chars() -> + L2 = bif1_adt:opaque_string(), + S = $A, + string:chars(S, 10, L2). % Warning diff --git a/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl new file mode 100644 index 0000000000..01b0bccc68 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl @@ -0,0 +1,12 @@ +-module(bif1_adt). + +-export([opaque_string/0]). + +-export_type([s/0]). + +-opaque s() :: string(). + +-spec opaque_string() -> s(). + +opaque_string() -> + "string". diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl index c92a4f2c78..622c235638 100644 --- a/lib/hipe/cerl/erl_bif_types.erl +++ b/lib/hipe/cerl/erl_bif_types.erl @@ -46,7 +46,6 @@ t_bitstr/0, t_boolean/0, t_byte/0, - t_char/0, t_cons/0, t_cons/2, t_cons_hd/1, @@ -87,7 +86,6 @@ t_is_port/2, t_is_maybe_improper_list/2, t_is_reference/2, - t_is_string/1, t_is_subtype/2, t_is_tuple/2, t_list/0, @@ -552,9 +550,6 @@ type(erlang, bit_size, 1, Xs, Opaques) -> type(erlang, byte_size, 1, Xs, Opaques) -> strict(erlang, byte_size, 1, Xs, fun (_) -> t_non_neg_integer() end, Opaques); -type(erlang, disconnect_node, 1, Xs, Opaques) -> - strict(erlang, disconnect_node, 1, Xs, - fun (_) -> t_sup([t_boolean(), t_atom('ignored')]) end, Opaques); %% Guard bif, needs to be here. %% Also much more expressive than anything you could write in a spec... type(erlang, element, 2, Xs, Opaques) -> @@ -583,16 +578,9 @@ type(erlang, element, 2, Xs, Opaques) -> %% Guard bif, needs to be here. type(erlang, float, 1, Xs, Opaques) -> strict(erlang, float, 1, Xs, fun (_) -> t_float() end, Opaques); -type(erlang, fun_info, 1, Xs, Opaques) -> - strict(erlang, fun_info, 1, Xs, - fun (_) -> t_list(t_tuple([t_atom(), t_any()])) end, Opaques); -type(erlang, get_cookie, 0, _, _Opaques) -> t_atom(); % | t_atom('nocookie') %% Guard bif, needs to be here. type(erlang, hd, 1, Xs, Opaques) -> strict(erlang, hd, 1, Xs, fun ([X]) -> t_cons_hd(X) end, Opaques); -type(erlang, integer_to_list, 2, Xs, Opaques) -> - strict(erlang, integer_to_list, 2, Xs, - fun (_) -> t_string() end, Opaques); type(erlang, info, 1, Xs, _) -> type(erlang, system_info, 1, Xs); % alias %% All type tests are guard BIF's and may be implemented in ways that %% cannot be expressed in a type spec, why they are kept in erl_bif_types. @@ -796,8 +784,6 @@ type(erlang, make_tuple, 3, Xs, Opaques) -> _Other -> t_tuple() end end, Opaques); -type(erlang, memory, 0, _, _Opaques) -> - t_list(t_tuple([t_atom(), t_non_neg_fixnum()])); type(erlang, nif_error, 1, Xs, Opaques) -> %% this BIF and the next one are stubs for NIFs and never return strict(erlang, nif_error, 1, Xs, fun (_) -> t_any() end, Opaques); @@ -813,8 +799,6 @@ type(erlang, round, 1, Xs, Opaques) -> strict(erlang, round, 1, Xs, fun (_) -> t_integer() end, Opaques); %% Guard bif, needs to be here. type(erlang, self, 0, _, _Opaques) -> t_pid(); -type(erlang, set_cookie, 2, Xs, Opaques) -> - strict(erlang, set_cookie, 2, Xs, fun (_) -> t_atom('true') end, Opaques); type(erlang, setelement, 3, Xs, Opaques) -> strict(erlang, setelement, 3, Xs, fun ([X1, X2, X3]) -> @@ -849,19 +833,7 @@ type(erlang, setelement, 3, Xs, Opaques) -> %% Guard bif, needs to be here. type(erlang, size, 1, Xs, Opaques) -> strict(erlang, size, 1, Xs, fun (_) -> t_non_neg_integer() end, Opaques); -type(erlang, spawn, 1, Xs, Opaques) -> - strict(erlang, spawn, 1, Xs, fun (_) -> t_pid() end, Opaques); -type(erlang, spawn, 2, Xs, Opaques) -> - strict(erlang, spawn, 2, Xs, fun (_) -> t_pid() end, Opaques); -type(erlang, spawn, 4, Xs, Opaques) -> - strict(erlang, spawn, 4, Xs, fun (_) -> t_pid() end, Opaques); -type(erlang, spawn_link, 1, Xs, _) -> type(erlang, spawn, 1, Xs); % same -type(erlang, spawn_link, 2, Xs, _) -> type(erlang, spawn, 2, Xs); % same -type(erlang, spawn_link, 4, Xs, _) -> type(erlang, spawn, 4, Xs); % same type(erlang, subtract, 2, Xs, _Opaques) -> type(erlang, '--', 2, Xs); % alias -type(erlang, suspend_process, 1, Xs, Opaques) -> - strict(erlang, suspend_process, 1, Xs, - fun (_) -> t_atom('true') end, Opaques); type(erlang, system_info, 1, Xs, Opaques) -> strict(erlang, system_info, 1, Xs, fun ([Type]) -> @@ -1014,10 +986,6 @@ type(erlang, tuple_to_list, 1, Xs, Opaques) -> end end end, Opaques); -type(erlang, yield, 0, _, _Opaques) -> t_atom('true'); -%%-- ets ---------------------------------------------------------------------- -type(ets, rename, 2, Xs, Opaques) -> - strict(ets, rename, 2, Xs, fun ([_, Name]) -> Name end, Opaques); %%-- hipe_bifs ---------------------------------------------------------------- type(hipe_bifs, add_ref, 2, Xs, Opaques) -> strict(hipe_bifs, add_ref, 2, Xs, fun (_) -> t_nil() end, Opaques); @@ -1677,25 +1645,6 @@ type(lists, zipwith3, 4, Xs, Opaques) -> fun ([F,_As,_Bs,_Cs]) -> t_sup(t_list(t_fun_range(F, Opaques)), t_nil()) end, Opaques); -%%-- string ------------------------------------------------------------------- -type(string, chars, 2, Xs, Opaques) -> % NOTE: added to avoid loss of info - strict(string, chars, 2, Xs, fun (_) -> t_string() end, Opaques); -type(string, chars, 3, Xs, Opaques) -> % NOTE: added to avoid loss of info - strict(string, chars, 3, Xs, - fun ([Char, N, Tail]) -> - case t_is_nil(Tail) of - true -> - type(string, chars, 2, [Char, N]); - false -> - case t_is_string(Tail) of - true -> - t_string(); - false -> - t_sup(t_sup(t_string(), Tail), t_cons(Char, Tail)) - end - end - end, Opaques); - %%----------------------------------------------------------------------------- type(M, F, A, Xs, _O) when is_atom(M), is_atom(F), is_integer(A), 0 =< A, A =< 255 -> @@ -2300,8 +2249,6 @@ arg_types(erlang, bit_size, 1) -> %% Guard bif, needs to be here. arg_types(erlang, byte_size, 1) -> [t_binary()]; -arg_types(erlang, disconnect_node, 1) -> - [t_node()]; arg_types(erlang, halt, 0) -> []; arg_types(erlang, halt, 1) -> @@ -2321,17 +2268,11 @@ arg_types(erlang, element, 2) -> %% Guard bif, needs to be here. arg_types(erlang, float, 1) -> [t_number()]; -arg_types(erlang, fun_info, 1) -> - [t_fun()]; -arg_types(erlang, get_cookie, 0) -> - []; %% Guard bif, needs to be here. arg_types(erlang, hd, 1) -> [t_cons()]; arg_types(erlang, info, 1) -> arg_types(erlang, system_info, 1); % alias -arg_types(erlang, integer_to_list, 2) -> - [t_integer(), t_from_range(2, 36)]; arg_types(erlang, is_atom, 1) -> [t_any()]; arg_types(erlang, is_binary, 1) -> @@ -2378,8 +2319,6 @@ arg_types(erlang, make_tuple, 2) -> [t_non_neg_fixnum(), t_any()]; % the value 0 is OK as first argument arg_types(erlang, make_tuple, 3) -> [t_non_neg_fixnum(), t_any(), t_list(t_tuple([t_pos_integer(), t_any()]))]; -arg_types(erlang, memory, 0) -> - []; arg_types(erlang, nif_error, 1) -> [t_any()]; arg_types(erlang, nif_error, 2) -> @@ -2396,29 +2335,13 @@ arg_types(erlang, round, 1) -> %% Guard bif, needs to be here. arg_types(erlang, self, 0) -> []; -arg_types(erlang, set_cookie, 2) -> - [t_node(), t_atom()]; arg_types(erlang, setelement, 3) -> [t_pos_integer(), t_tuple(), t_any()]; %% Guard bif, needs to be here. arg_types(erlang, size, 1) -> [t_sup(t_tuple(), t_binary())]; -arg_types(erlang, spawn, 1) -> %% TODO: Tuple? - [t_fun()]; -arg_types(erlang, spawn, 2) -> %% TODO: Tuple? - [t_node(), t_fun()]; -arg_types(erlang, spawn, 4) -> %% TODO: Tuple? - [t_node(), t_atom(), t_atom(), t_list()]; -arg_types(erlang, spawn_link, 1) -> - arg_types(erlang, spawn, 1); % same -arg_types(erlang, spawn_link, 2) -> - arg_types(erlang, spawn, 2); % same -arg_types(erlang, spawn_link, 4) -> - arg_types(erlang, spawn, 4); % same arg_types(erlang, subtract, 2) -> arg_types(erlang, '--', 2); -arg_types(erlang, suspend_process, 1) -> - [t_pid()]; arg_types(erlang, system_info, 1) -> [t_sup([t_atom(), % documented t_tuple([t_atom(), t_any()]), % documented @@ -2437,11 +2360,6 @@ arg_types(erlang, tuple_size, 1) -> [t_tuple()]; arg_types(erlang, tuple_to_list, 1) -> [t_tuple()]; -arg_types(erlang, yield, 0) -> - []; -%%------- ets ----------------------------------------------------------------- -arg_types(ets, rename, 2) -> - [t_atom(), t_atom()]; %%------- hipe_bifs ----------------------------------------------------------- arg_types(hipe_bifs, add_ref, 2) -> [t_mfa(), t_tuple([t_mfa(), @@ -2638,13 +2556,6 @@ arg_types(lists, zipwith, 3) -> [t_fun([t_any(), t_any()], t_any()), t_list(), t_list()]; arg_types(lists, zipwith3, 4) -> [t_fun([t_any(), t_any(), t_any()], t_any()), t_list(), t_list(), t_list()]; - -%%------- string -------------------------------------------------------------- -arg_types(string, chars, 2) -> - [t_char(), t_non_neg_integer()]; -arg_types(string, chars, 3) -> - [t_char(), t_non_neg_integer(), t_any()]; -%%----------------------------------------------------------------------------- arg_types(M, F, A) when is_atom(M), is_atom(F), is_integer(A), 0 =< A, A =< 255 -> unknown. % safe approximation for all functions. -- cgit v1.2.3