diff options
Diffstat (limited to 'lib/hipe/cerl/erl_bif_types.erl')
| -rw-r--r-- | lib/hipe/cerl/erl_bif_types.erl | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl index 41a6c731c9..9f23b6a9b3 100644 --- a/lib/hipe/cerl/erl_bif_types.erl +++ b/lib/hipe/cerl/erl_bif_types.erl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2003-2014. All Rights Reserved. +%% Copyright Ericsson AB 2003-2016. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -93,7 +93,7 @@ t_list/0, t_list/1, t_list_elements/2, - t_list_termination/1, + t_list_termination/2, t_mfa/0, t_module/0, t_nil/0, @@ -514,14 +514,15 @@ type(erlang, 'bsl', 2, Xs, Opaques) -> type(erlang, 'bnot', 1, Xs, Opaques) -> strict(erlang, 'bnot', 1, Xs, fun ([X1]) -> - case arith('bnot', X1, Opaques) of + case arith_bnot(X1, Opaques) of error -> t_integer(); {ok, T} -> T end end, Opaques); %% Guard bif, needs to be here. type(erlang, abs, 1, Xs, Opaques) -> - strict(erlang, abs, 1, Xs, fun ([X]) -> X end, Opaques); + strict(erlang, abs, 1, Xs, + fun ([X1]) -> arith_abs(X1, Opaques) end, Opaques); %% This returns (-X)-1, so it often gives a negative result. %% strict(erlang, 'bnot', 1, Xs, fun (_) -> t_integer() end, Opaques); type(erlang, append, 2, Xs, _Opaques) -> type(erlang, '++', 2, Xs); % alias @@ -767,6 +768,18 @@ type(erlang, length, 1, Xs, Opaques) -> %% Guard bif, needs to be here. type(erlang, map_size, 1, Xs, Opaques) -> strict(erlang, map_size, 1, Xs, fun (_) -> t_non_neg_integer() end, Opaques); +type(erlang, make_fun, 3, Xs, Opaques) -> + strict(erlang, make_fun, 3, Xs, + fun ([_, _, Arity]) -> + case t_number_vals(Arity, Opaques) of + [N] -> + case is_integer(N) andalso 0 =< N andalso N =< 255 of + true -> t_fun(N, t_any()); + false -> t_none() + end; + _Other -> t_fun() + end + end, Opaques); type(erlang, make_tuple, 2, Xs, Opaques) -> strict(erlang, make_tuple, 2, Xs, fun ([Int, _]) -> @@ -1336,8 +1349,8 @@ type(lists, foldr, 3, Xs, _Opaques) -> type(lists, foldl, 3, Xs); % same type(lists, keydelete, 3, Xs, Opaques) -> strict(lists, keydelete, 3, Xs, fun ([_, _, L]) -> - Term = t_list_termination(L), - t_sup(Term, erl_types:lift_list_to_pos_empty(L)) + Term = t_list_termination(L, Opaques), + t_sup(Term, erl_types:lift_list_to_pos_empty(L, Opaques)) end, Opaques); type(lists, keyfind, 3, Xs, Opaques) -> strict(lists, keyfind, 3, Xs, @@ -1927,7 +1940,7 @@ negwidth(X, N) -> false -> negwidth(X, N+1) end. -arith('bnot', X1, Opaques) -> +arith_bnot(X1, Opaques) -> case t_is_integer(X1, Opaques) of false -> error; true -> @@ -1937,6 +1950,28 @@ arith('bnot', X1, Opaques) -> infinity_add(infinity_inv(Min1), -1))} end. +arith_abs(X1, Opaques) -> + case t_is_integer(X1, Opaques) of + false -> + case t_is_float(X1, Opaques) of + true -> t_float(); + false -> t_number() + end; + true -> + Min1 = number_min(X1, Opaques), + Max1 = number_max(X1, Opaques), + {NewMin, NewMax} = + case infinity_geq(Min1, 0) of + true -> {Min1, Max1}; + false -> + case infinity_geq(Max1, 0) of + true -> {0, infinity_inv(Min1)}; + false -> {infinity_inv(Max1), infinity_inv(Min1)} + end + end, + t_from_range(NewMin, NewMax) + end. + arith_mult(Min1, Max1, Min2, Max2) -> Tmp_list = [infinity_mult(Min1, Min2), infinity_mult(Min1, Max2), infinity_mult(Max1, Min2), infinity_mult(Max1, Max2)], @@ -2165,7 +2200,7 @@ type_ranks(Type, I, Min, Max, [TypeClass|Rest], Opaques) -> type_order() -> [t_number(), t_atom(), t_reference(), t_fun(), t_port(), t_pid(), t_tuple(), - t_list(), t_binary()]. + t_map(), t_list(), t_bitstr()]. key_comparisons_fail(X0, KeyPos, TupleList, Opaques) -> X = case t_is_number(t_inf(X0, t_number(), Opaques), Opaques) of @@ -2265,7 +2300,7 @@ arg_types(erlang, bit_size, 1) -> [t_bitstr()]; %% Guard bif, needs to be here. arg_types(erlang, byte_size, 1) -> - [t_binary()]; + [t_bitstr()]; arg_types(erlang, disconnect_node, 1) -> [t_node()]; arg_types(erlang, halt, 0) -> @@ -2338,6 +2373,8 @@ arg_types(erlang, length, 1) -> %% Guard bif, needs to be here. arg_types(erlang, map_size, 1) -> [t_map()]; +arg_types(erlang, make_fun, 3) -> + [t_atom(), t_atom(), t_arity()]; 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) -> |