diff options
| -rw-r--r-- | erts/emulator/test/bif_SUITE.erl | 70 | ||||
| -rw-r--r-- | lib/hipe/cerl/erl_bif_types.erl | 212 | ||||
| -rw-r--r-- | lib/hipe/cerl/erl_types.erl | 5 |
3 files changed, 271 insertions, 16 deletions
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index 15c09d9158..b4ef0e6d5a 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -22,12 +22,13 @@ -include("test_server.hrl"). -export([all/1,init_per_testcase/2,fin_per_testcase/2, + types/1, t_list_to_existing_atom/1,os_env/1,otp_7526/1, binary_to_atom/1,binary_to_existing_atom/1, atom_to_binary/1,min_max/1]). all(suite) -> - [t_list_to_existing_atom,os_env,otp_7526, + [types,t_list_to_existing_atom,os_env,otp_7526, atom_to_binary,binary_to_atom,binary_to_existing_atom, min_max]. @@ -39,6 +40,73 @@ fin_per_testcase(_Func, Config) -> Dog=?config(watchdog, Config), ?t:timetrap_cancel(Dog). +types(Config) when is_list(Config) -> + c:l(erl_bif_types), + case erlang:function_exported(erl_bif_types, module_info, 0) of + false -> + %% Fail cleanly. + ?line ?t:fail("erl_bif_types not compiled"); + true -> + types_1() + end. + +types_1() -> + ?line List0 = erlang:system_info(snifs), + + %% Ignore missing type information for hipe BIFs. + ?line List = [MFA || {M,_,_}=MFA <- List0, M =/= hipe_bifs], + + case [MFA || MFA <- List, not known_types(MFA)] of + [] -> + types_2(List); + BadTypes -> + io:put_chars("No type information:\n"), + io:format("~p\n", [lists:sort(BadTypes)]), + ?line ?t:fail({length(BadTypes),bifs_without_types}) + end. + +types_2(List) -> + BadArity = [MFA || {M,F,A}=MFA <- List, + begin + Types = erl_bif_types:arg_types(M, F, A), + length(Types) =/= A + end], + case BadArity of + [] -> + types_3(List); + [_|_] -> + io:put_chars("Bifs with bad arity\n"), + io:format("~p\n", [BadArity]), + ?line ?t:fail({length(BadArity),bad_arity}) + end. + +types_3(List) -> + BadSmokeTest = [MFA || {M,F,A}=MFA <- List, + begin + try erl_bif_types:type(M, F, A) of + Type -> + %% Test that type is returned. + not erl_types:is_erl_type(Type) + catch + Class:Error -> + io:format("~p: ~p ~p\n", + [MFA,Class,Error]), + true + end + end], + case BadSmokeTest of + [] -> + ok; + [_|_] -> + io:put_chars("Bifs with failing calls to erlang_bif_types:type/3 " + "(or with bogus return values):\n"), + io:format("~p\n", [BadSmokeTest]), + ?line ?t:fail({length(BadSmokeTest),bad_smoke_test}) + end. + +known_types({M,F,A}) -> + erl_bif_types:is_known(M, F, A). + t_list_to_existing_atom(Config) when is_list(Config) -> ?line all = list_to_existing_atom("all"), ?line ?MODULE = list_to_existing_atom(?MODULE_STRING), diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl index 523c00b2be..838f9429f0 100644 --- a/lib/hipe/cerl/erl_bif_types.erl +++ b/lib/hipe/cerl/erl_bif_types.erl @@ -143,6 +143,51 @@ type(M, F, A) -> -spec type(atom(), atom(), arity(), [erl_types:erl_type()]) -> erl_types:erl_type(). +%%-- binary ------------------------------------------------------------------- +type(binary, at, 2, Xs) -> + strict(arg_types(binary, at, 2), Xs, fun(_) -> t_integer() end); +type(binary, bin_to_list, Arity, Xs) when 1 =< Arity, Arity =< 3 -> + strict(arg_types(binary, bin_to_list, Arity), Xs, + fun(_) -> t_list(t_integer()) end); +type(binary, compile_pattern, 1, Xs) -> + strict(arg_types(binary, compile_pattern, 1), Xs, + fun(_) -> t_tuple([t_atom(bm),t_binary()]) end); +type(binary, copy, Arity, Xs) when Arity =:= 1; Arity =:= 2 -> + strict(arg_types(binary, copy, Arity), Xs, + fun(_) -> t_binary() end); +type(binary, decode_unsigned, Arity, Xs) when Arity =:= 1; Arity =:= 2 -> + strict(arg_types(binary, decode_unsigned, Arity), Xs, + fun(_) -> t_non_neg_integer() end); +type(binary, encode_unsigned, Arity, Xs) when Arity =:= 1; Arity =:= 2 -> + strict(arg_types(binary, encode_unsigned, Arity), Xs, + fun(_) -> t_binary() end); +type(binary, first, 1, Xs) -> + strict(arg_types(binary, first, 1), Xs, fun(_) -> t_non_neg_integer() end); +type(binary, last, 1, Xs) -> + strict(arg_types(binary, last, 1), Xs, fun(_) -> t_non_neg_integer() end); +type(binary, list_to_bin, 1, Xs) -> + type(erlang, list_to_binary, 1, Xs); +type(binary, longest_common_prefix, 1, Xs) -> + strict(arg_types(binary, longest_common_prefix, 1), Xs, + fun(_) -> t_integer() end); +type(binary, longest_common_suffix, 1, Xs) -> + strict(arg_types(binary, longest_common_suffix, 1), Xs, + fun(_) -> t_integer() end); +type(binary, match, Arity, Xs) when Arity =:= 2; Arity =:= 3 -> + strict(arg_types(binary, match, Arity), Xs, + fun(_) -> + t_sup(t_atom('nomatch'), t_binary_canonical_part()) + end); +type(binary, matches, Arity, Xs) when Arity =:= 2; Arity =:= 3 -> + strict(arg_types(binary, matches, Arity), Xs, + fun(_) -> t_list(t_binary_canonical_part()) end); +type(binary, part, 2, Xs) -> + type(erlang, binary_part, 2, Xs); +type(binary, part, 3, Xs) -> + type(erlang, binary_part, 3, Xs); +type(binary, referenced_byte_size, 1, Xs) -> + strict(arg_types(binary, referenced_byte_size, 1), Xs, + fun(_) -> t_non_neg_integer() end); %%-- code --------------------------------------------------------------------- type(code, add_path, 1, Xs) -> strict(arg_types(code, add_path, 1), Xs, @@ -665,6 +710,14 @@ type(erlang, 'bnot', 1, Xs) -> %% strict(arg_types(erlang, 'bnot', 1), Xs, fun (_) -> t_integer() end); type(erlang, abs, 1, Xs) -> strict(arg_types(erlang, abs, 1), Xs, fun ([X]) -> X end); +type(erlang, adler32, 1, Xs) -> + strict(arg_types(erlang, adler32, 1), Xs, fun (_) -> t_adler32() end); +type(erlang, adler32, 2, Xs) -> + strict(arg_types(erlang, adler32, 2), Xs, fun (_) -> t_adler32() end); +type(erlang, adler32_combine, 3, Xs) -> + strict(arg_types(erlang, adler32_combine, 3), Xs, + fun (_) -> t_adler32() end); +type(erlang, append, 2, Xs) -> type(erlang, '++', 2, Xs); % alias type(erlang, append_element, 2, Xs) -> strict(arg_types(erlang, append_element, 2), Xs, fun (_) -> t_tuple() end); type(erlang, apply, 2, Xs) -> @@ -683,6 +736,10 @@ type(erlang, atom_to_binary, 2, Xs) -> strict(arg_types(erlang, atom_to_binary, 2), Xs, fun (_) -> t_binary() end); type(erlang, atom_to_list, 1, Xs) -> strict(arg_types(erlang, atom_to_list, 1), Xs, fun (_) -> t_string() end); +type(erlang, binary_part, 2, Xs) -> + strict(arg_types(erlang, binary_part, 2), Xs, fun (_) -> t_binary() end); +type(erlang, binary_part, 3, Xs) -> + strict(arg_types(erlang, binary_part, 3), Xs, fun (_) -> t_binary() end); type(erlang, binary_to_atom, 2, Xs) -> strict(arg_types(erlang, binary_to_atom, 2), Xs, fun (_) -> t_atom() end); type(erlang, binary_to_existing_atom, 2, Xs) -> @@ -726,11 +783,11 @@ type(erlang, check_process_code, 2, Xs) -> type(erlang, concat_binary, 1, Xs) -> strict(arg_types(erlang, concat_binary, 1), Xs, fun (_) -> t_binary() end); type(erlang, crc32, 1, Xs) -> - strict(arg_types(erlang, crc32, 1), Xs, fun (_) -> t_integer() end); + strict(arg_types(erlang, crc32, 1), Xs, fun (_) -> t_crc32() end); type(erlang, crc32, 2, Xs) -> - strict(arg_types(erlang, crc32, 2), Xs, fun (_) -> t_integer() end); + strict(arg_types(erlang, crc32, 2), Xs, fun (_) -> t_crc32() end); type(erlang, crc32_combine, 3, Xs) -> - strict(arg_types(erlang, crc32_combine, 3), Xs, fun (_) -> t_integer() end); + strict(arg_types(erlang, crc32_combine, 3), Xs, fun (_) -> t_crc32() end); type(erlang, date, 0, _) -> t_date(); type(erlang, decode_packet, 3, Xs) -> @@ -752,6 +809,10 @@ type(erlang, demonitor, 2, Xs) -> type(erlang, disconnect_node, 1, Xs) -> strict(arg_types(erlang, disconnect_node, 1), Xs, fun (_) -> t_boolean() end); type(erlang, display, 1, _) -> t_atom('true'); +type(erlang, display_string, 1, Xs) -> + strict(arg_types(erlang, display_string, 1), Xs, fun(_) -> t_atom('true') end); +type(erlang, display_nl, 0, _) -> + t_atom('true'); type(erlang, dist_exit, 3, Xs) -> strict(arg_types(erlang, dist_exit, 3), Xs, fun (_) -> t_atom('true') end); type(erlang, element, 2, Xs) -> @@ -802,6 +863,8 @@ type(erlang, fun_to_list, 1, Xs) -> type(erlang, garbage_collect, 0, _) -> t_atom('true'); type(erlang, garbage_collect, 1, Xs) -> strict(arg_types(erlang, garbage_collect, 1), Xs, fun (_) -> t_boolean() end); +type(erlang, garbage_collect_message_area, 0, _) -> + t_boolean(); type(erlang, get, 0, _) -> t_list(t_tuple(2)); type(erlang, get, 1, _) -> t_any(); % | t_atom('undefined') type(erlang, get_cookie, 0, _) -> t_atom(); % | t_atom('nocookie') @@ -1177,8 +1240,8 @@ type(erlang, phash2, 2, Xs) -> strict(arg_types(erlang, phash2, 2), Xs, fun (_) -> t_non_neg_integer() end); type(erlang, pid_to_list, 1, Xs) -> strict(arg_types(erlang, pid_to_list, 1), Xs, fun (_) -> t_string() end); -type(erlang, port_call, 3, Xs) -> - strict(arg_types(erlang, port_call, 3), Xs, fun (_) -> t_any() end); +type(erlang, port_call, Arity, Xs) when Arity =:= 2; Arity =:= 3 -> + strict(arg_types(erlang, port_call, Arity), Xs, fun (_) -> t_any() end); type(erlang, port_close, 1, Xs) -> strict(arg_types(erlang, port_close, 1), Xs, fun (_) -> t_atom('true') end); @@ -1507,6 +1570,7 @@ type(erlang, statistics, 1, Xs) -> T_statistics_1 end end); +type(erlang, subtract, 2, Xs) -> type(erlang, '--', 2, Xs); % alias type(erlang, suspend_process, 1, Xs) -> strict(arg_types(erlang, suspend_process, 1), Xs, fun (_) -> t_atom('true') end); @@ -1599,7 +1663,7 @@ type(erlang, system_info, 1, Xs) -> t_sup([t_atom('false'), t_list(t_tuple([t_atom(), t_any()]))]); ['endian'] -> - t_sup([t_atom('big'), t_atom('little')]); + t_endian(); ['fullsweep_after'] -> t_tuple([t_atom('fullsweep_after'), t_non_neg_integer()]); ['garbage_collection'] -> @@ -1611,9 +1675,8 @@ type(erlang, system_info, 1, Xs) -> ['heap_type'] -> t_sup([t_atom('private'), t_atom('hybrid')]); ['hipe_architecture'] -> - t_sup([t_atom('amd64'), t_atom('arm'), - t_atom('powerpc'), t_atom('undefined'), - t_atom('ultrasparc'), t_atom('x86')]); + t_atoms(['amd64', 'arm', 'powerpc', 'ppc64', + 'undefined', 'ultrasparc', 'x86']); ['info'] -> t_binary(); ['internal_cpu_topology'] -> %% Undocumented internal feature @@ -1789,11 +1852,21 @@ type(erts_debug, disassemble, 1, Xs) -> fun (_) -> t_sup([t_atom('false'), t_atom('undef'), t_tuple([t_integer(), t_binary(), t_mfa()])]) end); +type(erts_debug, display, 1, _) -> + t_string(); type(erts_debug, dist_ext_to_term, 2, Xs) -> strict(arg_types(erts_debug, dist_ext_to_term, 2), Xs, fun (_) -> t_any() end); +type(erts_debug, dump_monitors, 1, Xs) -> + strict(arg_types(erts_debug, dump_monitors, 1), Xs, + fun(_) -> t_atom('true') end); +type(erts_debug, dump_links, 1, Xs) -> + strict(arg_types(erts_debug, dump_links, 1), Xs, + fun(_) -> t_atom('true') end); type(erts_debug, flat_size, 1, Xs) -> strict(arg_types(erts_debug, flat_size, 1), Xs, fun (_) -> t_integer() end); +type(erts_debug, get_internal_state, 1, _) -> + t_any(); type(erts_debug, lock_counters, 1, Xs) -> strict(arg_types(erts_debug, lock_counters, 1), Xs, fun ([Arg]) -> @@ -1814,6 +1887,8 @@ type(erts_debug, lock_counters, 1, Xs) -> end); type(erts_debug, same, 2, Xs) -> strict(arg_types(erts_debug, same, 2), Xs, fun (_) -> t_boolean() end); +type(erts_debug, set_internal_state, 2, _) -> + t_any(); %%-- ets ---------------------------------------------------------------------- type(ets, all, 0, _) -> t_list(t_tab()); @@ -2103,7 +2178,7 @@ type(hipe_bifs, set_native_address, 3, Xs) -> strict(arg_types(hipe_bifs, set_native_address, 3), Xs, fun (_) -> t_nil() end); type(hipe_bifs, system_crc, 1, Xs) -> - strict(arg_types(hipe_bifs, system_crc, 1), Xs, fun (_) -> t_integer() end); + strict(arg_types(hipe_bifs, system_crc, 1), Xs, fun (_) -> t_crc32() end); type(hipe_bifs, term_to_word, 1, Xs) -> strict(arg_types(hipe_bifs, term_to_word, 1), Xs, fun (_) -> t_integer() end); @@ -3198,6 +3273,53 @@ arith(Op, X1, X2) -> -spec arg_types(atom(), atom(), arity()) -> [erl_types:erl_type()] | 'unknown'. +%%------- binary -------------------------------------------------------------- +arg_types(binary, at, 2) -> + [t_binary(), t_non_neg_integer()]; +arg_types(binary, bin_to_list, 1) -> + [t_binary()]; +arg_types(binary, bin_to_list, 2) -> + [t_binary(), t_binary_part()]; +arg_types(binary, bin_to_list, 3) -> + [t_binary(), t_integer(), t_non_neg_integer()]; +arg_types(binary, compile_pattern, 1) -> + [t_sup(t_binary(), t_list(t_binary()))]; +arg_types(binary, copy, 1) -> + [t_binary()]; +arg_types(binary, copy, 2) -> + [t_binary(), t_non_neg_integer()]; +arg_types(binary, decode_unsigned, 1) -> + [t_binary()]; +arg_types(binary, decode_unsigned, 2) -> + [t_binary(), t_endian()]; +arg_types(binary, encode_unsigned, 1) -> + [t_non_neg_integer()]; +arg_types(binary, encode_unsigned, 2) -> + [t_non_neg_integer(), t_endian()]; +arg_types(binary, first, 1) -> + [t_binary()]; +arg_types(binary, last, 1) -> + [t_binary()]; +arg_types(binary, list_to_bin, 1) -> + arg_types(erlang, list_to_binary, 1); +arg_types(binary, longest_common_prefix, 1) -> + [t_list(t_binary())]; +arg_types(binary, longest_common_suffix, 1) -> + [t_list(t_binary())]; +arg_types(binary, match, 2) -> + [t_binary(), t_binary_pattern()]; +arg_types(binary, match, 3) -> + [t_binary(), t_binary_pattern(), t_binary_options()]; +arg_types(binary, matches, 2) -> + [t_binary(), t_binary_pattern()]; +arg_types(binary, matches, 3) -> + [t_binary(), t_binary_pattern(), t_binary_options()]; +arg_types(binary, part, 2) -> + arg_types(erlang, binary_part, 2); +arg_types(binary, part, 3) -> + arg_types(erlang, binary_part, 3); +arg_types(binary, referenced_byte_size, 1) -> + [t_binary()]; %%------- code ---------------------------------------------------------------- arg_types(code, add_path, 1) -> [t_string()]; @@ -3379,6 +3501,14 @@ arg_types(erlang, 'bnot', 1) -> [t_integer()]; arg_types(erlang, abs, 1) -> [t_number()]; +arg_types(erlang, adler32, 1) -> + [t_iodata()]; +arg_types(erlang, adler32, 2) -> + [t_adler32(), t_iodata()]; +arg_types(erlang, adler32_combine, 3) -> + [t_adler32(), t_adler32(), t_non_neg_integer()]; +arg_types(erlang, append, 2) -> + arg_types(erlang, '++', 2); arg_types(erlang, append_element, 2) -> [t_tuple(), t_any()]; arg_types(erlang, apply, 2) -> @@ -3392,6 +3522,10 @@ arg_types(erlang, atom_to_binary, 2) -> [t_atom(), t_encoding_a2b()]; arg_types(erlang, atom_to_list, 1) -> [t_atom()]; +arg_types(erlang, binary_part, 2) -> + [t_binary(), t_tuple([t_integer(),t_integer()])]; +arg_types(erlang, binary_part, 3) -> + [t_binary(), t_integer(), t_integer()]; arg_types(erlang, binary_to_atom, 2) -> [t_binary(), t_encoding_a2b()]; arg_types(erlang, binary_to_existing_atom, 2) -> @@ -3427,9 +3561,9 @@ arg_types(erlang, concat_binary, 1) -> arg_types(erlang, crc32, 1) -> [t_iodata()]; arg_types(erlang, crc32, 2) -> - [t_integer(), t_iodata()]; + [t_crc32(), t_iodata()]; arg_types(erlang, crc32_combine, 3) -> - [t_integer(), t_integer(), t_integer()]; + [t_crc32(), t_crc32(), t_non_neg_integer()]; arg_types(erlang, date, 0) -> []; arg_types(erlang, decode_packet, 3) -> @@ -3444,6 +3578,10 @@ arg_types(erlang, disconnect_node, 1) -> [t_node()]; arg_types(erlang, display, 1) -> [t_any()]; +arg_types(erlang, display_nl, 0) -> + []; +arg_types(erlang, display_string, 1) -> + [t_string()]; arg_types(erlang, dist_exit, 3) -> [t_pid(), t_dist_exit(), t_sup(t_pid(), t_port())]; arg_types(erlang, element, 2) -> @@ -3480,6 +3618,8 @@ arg_types(erlang, garbage_collect, 0) -> []; arg_types(erlang, garbage_collect, 1) -> [t_pid()]; +arg_types(erlang, garbage_collect_message_area, 0) -> + []; arg_types(erlang, get, 0) -> []; arg_types(erlang, get, 1) -> @@ -3676,6 +3816,8 @@ arg_types(erlang, phash2, 2) -> [t_any(), t_pos_integer()]; arg_types(erlang, pid_to_list, 1) -> [t_pid()]; +arg_types(erlang, port_call, 2) -> + [t_sup(t_port(), t_atom()), t_any()]; arg_types(erlang, port_call, 3) -> [t_sup(t_port(), t_atom()), t_integer(), t_any()]; arg_types(erlang, port_close, 1) -> @@ -3803,6 +3945,8 @@ arg_types(erlang, statistics, 1) -> t_atom('run_queue'), t_atom('runtime'), t_atom('wall_clock')])]; +arg_types(erlang, subtract, 2) -> + arg_types(erlang, '--', 2); arg_types(erlang, suspend_process, 1) -> [t_pid()]; arg_types(erlang, suspend_process, 2) -> @@ -3925,10 +4069,18 @@ arg_types(erts_debug, breakpoint, 2) -> [t_tuple([t_atom(), t_atom(), t_sup(t_integer(), t_atom('_'))]), t_boolean()]; arg_types(erts_debug, disassemble, 1) -> [t_sup(t_mfa(), t_integer())]; +arg_types(erts_debug, display, 1) -> + [t_any()]; arg_types(erts_debug, dist_ext_to_term, 2) -> [t_tuple(), t_binary()]; +arg_types(erts_debug, dump_monitors, 1) -> + [t_sup([t_pid(),t_atom()])]; +arg_types(erts_debug, dump_links, 1) -> + [t_sup([t_pid(),t_atom(),t_port()])]; arg_types(erts_debug, flat_size, 1) -> [t_any()]; +arg_types(erts_debug, get_internal_state, 1) -> + [t_any()]; arg_types(erts_debug, lock_counters, 1) -> [t_sup([t_atom(enabled), t_atom(info), @@ -3937,6 +4089,8 @@ arg_types(erts_debug, lock_counters, 1) -> t_tuple([t_atom(process_locks), t_boolean()])])]; arg_types(erts_debug, same, 2) -> [t_any(), t_any()]; +arg_types(erts_debug, set_internal_state, 2) -> + [t_any(), t_any()]; %%------- ets ----------------------------------------------------------------- arg_types(ets, all, 0) -> []; @@ -4117,7 +4271,7 @@ arg_types(hipe_bifs, call_count_off, 1) -> arg_types(hipe_bifs, call_count_on, 1) -> [t_mfa()]; arg_types(hipe_bifs, check_crc, 1) -> - [t_integer()]; + [t_crc32()]; arg_types(hipe_bifs, enter_code, 2) -> [t_binary(), t_sup(t_nil(), t_tuple())]; arg_types(hipe_bifs, enter_sdesc, 1) -> @@ -4161,7 +4315,7 @@ arg_types(hipe_bifs, set_funinfo_native_address, 3) -> arg_types(hipe_bifs, set_native_address, 3) -> [t_mfa(), t_integer(), t_boolean()]; arg_types(hipe_bifs, system_crc, 1) -> - [t_integer()]; + [t_crc32()]; arg_types(hipe_bifs, term_to_word, 1) -> [t_any()]; arg_types(hipe_bifs, update_code_size, 3) -> @@ -4475,6 +4629,30 @@ t_httppacket() -> t_sup([t_HttpRequest(), t_HttpResponse(), t_HttpHeader(), t_atom('http_eoh'), t_HttpError()]). +t_endian() -> + t_sup([t_atom('big'), t_atom('little')]). + +%% ===================================================================== +%% Types for the binary module +%% ===================================================================== + +t_binary_part() -> + t_tuple([t_non_neg_integer(),t_integer()]). + +t_binary_canonical_part() -> + t_tuple([t_non_neg_integer(),t_non_neg_integer()]). + +t_binary_pattern() -> + t_sup([t_binary(), + t_list(t_binary()), + t_binary_compiled_pattern()]). + +t_binary_compiled_pattern() -> + t_tuple([t_atom('cp'),t_binary()]). + +t_binary_options() -> + t_list(t_tuple([t_atom('scope'),t_binary_part()])). + %% ===================================================================== %% HTTP types documented in R12B-4 %% ===================================================================== @@ -4557,6 +4735,12 @@ t_code_loaded_fname_or_status() -> %% These are used for the built-in functions of 'erlang' %% ===================================================================== +t_adler32() -> + t_non_neg_integer(). + +t_crc32() -> + t_non_neg_integer(). + t_decode_packet_option() -> t_sup([t_tuple([t_atom('packet_size'), t_non_neg_integer()]), t_tuple([t_atom('line_length'), t_non_neg_integer()])]). diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl index 758914ff9e..c1d80740a1 100644 --- a/lib/hipe/cerl/erl_types.erl +++ b/lib/hipe/cerl/erl_types.erl @@ -206,7 +206,8 @@ %% t_assign_variables_to_subtype/2, type_is_defined/3, subst_all_vars_to_any/1, - lift_list_to_pos_empty/1 + lift_list_to_pos_empty/1, + is_erl_type/1 ]). %%-define(DO_ERL_TYPES_TEST, true). @@ -3776,6 +3777,8 @@ any_none_or_unit([?unit|_]) -> true; any_none_or_unit([_|Left]) -> any_none_or_unit(Left); any_none_or_unit([]) -> false. +-spec is_erl_type(any()) -> boolean(). + is_erl_type(?any) -> true; is_erl_type(?none) -> true; is_erl_type(?unit) -> true; |