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-rw-r--r--lib/hipe/cerl/erl_bif_types.erl117
1 files changed, 89 insertions, 28 deletions
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 0b47c7b6e1..4163f2dae2 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -366,7 +366,7 @@ type(erlang, '>', 2, Xs = [Lhs, Rhs]) ->
is_integer(LhsMax), is_integer(RhsMin), RhsMin >= LhsMax -> F;
true -> t_boolean()
end;
- false -> t_boolean()
+ false -> compare('>', Lhs, Rhs)
end,
strict(Xs, Ans);
type(erlang, '>=', 2, Xs = [Lhs, Rhs]) ->
@@ -384,7 +384,7 @@ type(erlang, '>=', 2, Xs = [Lhs, Rhs]) ->
is_integer(LhsMax), is_integer(RhsMin), RhsMin > LhsMax -> F;
true -> t_boolean()
end;
- false -> t_boolean()
+ false -> compare('>=', Lhs, Rhs)
end,
strict(Xs, Ans);
type(erlang, '<', 2, Xs = [Lhs, Rhs]) ->
@@ -402,7 +402,7 @@ type(erlang, '<', 2, Xs = [Lhs, Rhs]) ->
is_integer(LhsMin), is_integer(RhsMax), RhsMax =< LhsMin -> F;
true -> t_boolean()
end;
- false -> t_boolean()
+ false -> compare('<', Lhs, Rhs)
end,
strict(Xs, Ans);
type(erlang, '=<', 2, Xs = [Lhs, Rhs]) ->
@@ -420,7 +420,7 @@ type(erlang, '=<', 2, Xs = [Lhs, Rhs]) ->
is_integer(LhsMin), is_integer(RhsMax), RhsMax < LhsMin -> F;
true -> t_boolean()
end;
- false -> t_boolean()
+ false -> compare('=<', Lhs, Rhs)
end,
strict(Xs, Ans);
type(erlang, '+', 1, Xs) ->
@@ -672,6 +672,9 @@ type(erlang, call_on_load_function, 1, Xs) ->
type(erlang, cancel_timer, 1, Xs) ->
strict(arg_types(erlang, cancel_timer, 1), Xs,
fun (_) -> t_sup(t_integer(), t_atom('false')) end);
+type(erlang, check_old_code, 1, Xs) ->
+ strict(arg_types(erlang, check_old_code, 1), Xs,
+ fun (_) -> t_boolean() end);
type(erlang, check_process_code, 2, Xs) ->
strict(arg_types(erlang, check_process_code, 2), Xs,
fun (_) -> t_boolean() end);
@@ -702,7 +705,7 @@ type(erlang, demonitor, 1, Xs) ->
type(erlang, demonitor, 2, Xs) ->
strict(arg_types(erlang, demonitor, 2), Xs, fun (_) -> t_boolean() end);
type(erlang, disconnect_node, 1, Xs) ->
- strict(arg_types(erlang, disconnect_node, 1), Xs, fun (_) -> t_boolean() end);
+ strict(arg_types(erlang, disconnect_node, 1), Xs, fun (_) -> t_sup([t_boolean(), t_atom('ignored')]) 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);
@@ -736,6 +739,7 @@ type(erlang, element, 2, Xs) ->
type(erlang, erase, 0, _) -> t_any();
type(erlang, erase, 1, _) -> t_any();
type(erlang, external_size, 1, _) -> t_integer();
+type(erlang, external_size, 2, _) -> t_integer();
type(erlang, finish_after_on_load, 2, Xs) ->
%% Internal BIF used by on_load.
strict(arg_types(erlang, finish_after_on_load, 2), Xs,
@@ -1124,7 +1128,7 @@ type(erlang, nodes, 0, _) -> t_list(t_node());
type(erlang, nodes, 1, Xs) ->
strict(arg_types(erlang, nodes, 1), Xs, fun (_) -> t_list(t_node()) end);
type(erlang, now, 0, _) ->
- t_time();
+ t_timestamp();
type(erlang, open_port, 2, Xs) ->
strict(arg_types(erlang, open_port, 2), Xs, fun (_) -> t_port() end);
type(erlang, phash, 2, Xs) ->
@@ -1199,6 +1203,7 @@ type(erlang, process_flag, 2, Xs) ->
case t_atom_vals(Flag) of
['error_handler'] -> t_atom();
['min_heap_size'] -> t_non_neg_integer();
+ ['scheduler'] -> t_non_neg_integer();
['monitor_nodes'] -> t_boolean();
['priority'] -> t_process_priority_level();
['save_calls'] -> t_non_neg_integer();
@@ -1585,8 +1590,7 @@ type(erlang, system_info, 1, Xs) ->
['multi_scheduling_blockers'] ->
t_list(t_pid());
['os_type'] ->
- t_tuple([t_sup([t_atom('ose'), % XXX: undocumented
- t_atom('unix'),
+ t_tuple([t_sup([t_atom('unix'),
t_atom('vxworks'),
t_atom('win32')]),
t_atom()]);
@@ -1900,7 +1904,7 @@ type(prim_file, internal_native2name, 1, Xs) ->
fun (_) -> t_prim_file_name() end);
type(prim_file, internal_normalize_utf8, 1, Xs) ->
strict(arg_types(prim_file, internal_normalize_utf8, 1), Xs,
- fun (_) -> t_binary() end);
+ fun (_) -> t_unicode_string() end);
%%-- gen_tcp ------------------------------------------------------------------
%% NOTE: All type information for this module added to avoid loss of precision
type(gen_tcp, accept, 1, Xs) ->
@@ -2325,10 +2329,7 @@ type(lists, keyfind, 3, Xs) ->
case t_tuple_subtypes(Tuple) of
unknown -> Ret;
List ->
- Keys = [type(erlang, element, 2, [Y, S])
- || S <- List],
- Infs = [t_inf(Key, X) || Key <- Keys],
- case all_is_none(Infs) of
+ case key_comparisons_fail(X, Y, List) of
true -> t_atom('false');
false -> Ret
end
@@ -2358,9 +2359,7 @@ type(lists, keymember, 3, Xs) ->
case t_tuple_subtypes(Tuple) of
unknown -> t_boolean();
List ->
- Keys = [type(erlang, element, 2, [Y,S]) || S <- List],
- Infs = [t_inf(Key, X) || Key <- Keys],
- case all_is_none(Infs) of
+ case key_comparisons_fail(X, Y, List) of
true -> t_atom('false');
false -> t_boolean()
end
@@ -2390,10 +2389,7 @@ type(lists, keysearch, 3, Xs) ->
case t_tuple_subtypes(Tuple) of
unknown -> Ret;
List ->
- Keys = [type(erlang, element, 2, [Y, S])
- || S <- List],
- Infs = [t_inf(Key, X) || Key <- Keys],
- case all_is_none(Infs) of
+ case key_comparisons_fail(X, Y, List) of
true -> t_atom('false');
false -> Ret
end
@@ -2693,7 +2689,7 @@ type(os, getpid, 0, _) -> t_string();
type(os, putenv, 2, Xs) ->
strict(arg_types(os, putenv, 2), Xs, fun (_) -> t_atom('true') end);
type(os, timestamp, 0, _) ->
- t_time();
+ t_timestamp();
%%-- re -----------------------------------------------------------------------
type(re, compile, 1, Xs) ->
strict(arg_types(re, compile, 1), Xs,
@@ -2821,9 +2817,6 @@ list_replace(1, E, [_X | Xs]) ->
any_is_none_or_unit(Ts) ->
lists:any(fun erl_types:t_is_none_or_unit/1, Ts).
-all_is_none(Ts) ->
- lists:all(fun erl_types:t_is_none/1, Ts).
-
check_guard([X], Test, Type) ->
check_guard_single(X, Test, Type).
@@ -3176,6 +3169,59 @@ arith(Op, X1, X2) ->
end.
%%=============================================================================
+%% Comparison of terms
+%%=============================================================================
+
+compare(Op, Lhs, Rhs) ->
+ case t_is_none(t_inf(Lhs, Rhs)) of
+ false -> t_boolean();
+ true ->
+ case Op of
+ '<' -> always_smaller(Lhs, Rhs);
+ '>' -> always_smaller(Rhs, Lhs);
+ '=<' -> always_smaller(Lhs, Rhs);
+ '>=' -> always_smaller(Rhs, Lhs)
+ end
+ end.
+
+always_smaller(Type1, Type2) ->
+ {Min1, Max1} = type_ranks(Type1),
+ {Min2, Max2} = type_ranks(Type2),
+ if Max1 < Min2 -> t_atom('true');
+ Min1 > Max2 -> t_atom('false');
+ true -> t_boolean()
+ end.
+
+type_ranks(Type) ->
+ type_ranks(Type, 1, 0, 0, type_order()).
+
+type_ranks(_Type, _I, Min, Max, []) -> {Min, Max};
+type_ranks(Type, I, Min, Max, [TypeClass|Rest]) ->
+ {NewMin, NewMax} =
+ case t_is_none(t_inf(Type, TypeClass)) of
+ true -> {Min, Max};
+ false -> case Min of
+ 0 -> {I, I};
+ _ -> {Min, I}
+ end
+ end,
+ type_ranks(Type, I+1, NewMin, NewMax, Rest).
+
+type_order() ->
+ [t_number(), t_atom(), t_reference(), t_fun(), t_port(), t_pid(), t_tuple(),
+ t_list(), t_binary()].
+
+key_comparisons_fail(X0, KeyPos, TupleList) ->
+ X = case t_is_number(t_inf(X0, t_number())) of
+ false -> X0;
+ true -> t_number()
+ end,
+ lists:all(fun(Tuple) ->
+ Key = type(erlang, element, 2, [KeyPos, Tuple]),
+ t_is_none(t_inf(Key, X))
+ end, TupleList).
+
+%%=============================================================================
-spec arg_types(atom(), atom(), arity()) -> [erl_types:erl_type()] | 'unknown'.
@@ -3396,6 +3442,8 @@ arg_types(erlang, call_on_load_function, 1) ->
[t_atom()];
arg_types(erlang, cancel_timer, 1) ->
[t_reference()];
+arg_types(erlang, check_old_code, 1) ->
+ [t_atom()];
arg_types(erlang, check_process_code, 2) ->
[t_pid(), t_atom()];
arg_types(erlang, concat_binary, 1) ->
@@ -3442,6 +3490,8 @@ arg_types(erlang, exit, 2) ->
[t_sup(t_pid(), t_port()), t_any()];
arg_types(erlang, external_size, 1) ->
[t_any()]; % takes any term as input
+arg_types(erlang, external_size, 2) ->
+ [t_any(), t_list()]; % takes any term as input and a list of options
arg_types(erlang, finish_after_on_load, 2) ->
[t_atom(), t_boolean()];
arg_types(erlang, float, 1) ->
@@ -3696,6 +3746,7 @@ arg_types(erlang, process_display, 2) ->
arg_types(erlang, process_flag, 2) ->
[t_sup([t_atom('trap_exit'), t_atom('error_handler'),
t_atom('min_heap_size'), t_atom('priority'), t_atom('save_calls'),
+ t_atom('scheduler'), % undocumented
t_atom('monitor_nodes'), % undocumented
t_tuple([t_atom('monitor_nodes'), t_list()])]), % undocumented
t_sup([t_boolean(), t_atom(), t_non_neg_integer()])];
@@ -3734,7 +3785,7 @@ arg_types(erlang, send, 3) ->
arg_types(erlang, send_after, 3) ->
[t_non_neg_integer(), t_sup(t_pid(), t_atom()), t_any()];
arg_types(erlang, seq_trace, 2) ->
- [t_atom(), t_sup([t_boolean(), t_tuple([t_fixnum(), t_fixnum()]), t_nil()])];
+ [t_atom(), t_sup([t_boolean(), t_tuple([t_fixnum(), t_fixnum()]), t_fixnum(), t_nil()])];
arg_types(erlang, seq_trace_info, 1) ->
[t_seq_trace_info()];
arg_types(erlang, seq_trace_print, 1) ->
@@ -3983,7 +4034,7 @@ arg_types(ets, match_object, 3) ->
arg_types(ets, match_spec_compile, 1) ->
[t_matchspecs()];
arg_types(ets, match_spec_run_r, 3) ->
- [t_matchspecs(), t_any(), t_list()];
+ [t_list(t_tuple()),t_matchspecs(), t_list()];
arg_types(ets, member, 2) ->
[t_tab(), t_any()];
arg_types(ets, new, 2) ->
@@ -4015,8 +4066,12 @@ arg_types(ets, select_reverse, 3) ->
arg_types(ets, slot, 2) ->
[t_tab(), t_non_neg_fixnum()]; % 2nd arg can be 0
arg_types(ets, setopts, 2) ->
- Opt = t_sup(t_tuple([t_atom('heir'), t_pid(), t_any()]),
- t_tuple([t_atom('heir'), t_atom('none')])),
+ Opt = t_sup([t_tuple([t_atom('heir'), t_pid(), t_any()]),
+ t_tuple([t_atom('heir'), t_atom('none')]),
+ t_tuple([t_atom('protection'),
+ t_sup([t_atom('protected'),
+ t_atom('private'),
+ t_atom('public')])])]),
[t_tab(), t_sup(Opt, t_list(Opt))];
arg_types(ets, update_counter, 3) ->
Int = t_integer(),
@@ -4458,6 +4513,9 @@ t_date() ->
t_time() ->
t_tuple([t_non_neg_fixnum(), t_non_neg_fixnum(), t_non_neg_fixnum()]).
+t_timestamp() ->
+ t_tuple([t_non_neg_fixnum(), t_non_neg_fixnum(), t_non_neg_fixnum()]).
+
t_packet() ->
t_sup([t_binary(), t_iolist(), t_httppacket()]).
@@ -4805,6 +4863,9 @@ t_ets_info_items() ->
t_atom('owner'),
t_atom('protection'),
t_atom('size'),
+ t_atom('compressed'),
+ t_atom('heir'),
+ t_atom('stats'),
t_atom('type')]).
%% =====================================================================