diff options
Diffstat (limited to 'lib/hipe/cerl/erl_types.erl')
| -rw-r--r-- | lib/hipe/cerl/erl_types.erl | 94 |
1 files changed, 57 insertions, 37 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl index 9abb4d31d9..d61cd8664c 100644 --- a/lib/hipe/cerl/erl_types.erl +++ b/lib/hipe/cerl/erl_types.erl @@ -66,7 +66,6 @@ t_find_opaque_mismatch/3, t_find_unknown_opaque/3, t_fixnum/0, - t_map/2, t_non_neg_fixnum/0, t_pos_fixnum/0, t_float/0, @@ -205,6 +204,7 @@ t_unopaque/1, t_unopaque/2, t_var/1, t_var_name/1, + t_widen_to_number/1, %% t_assign_variables_to_subtype/2, type_is_defined/4, record_field_diffs_to_string/2, @@ -1594,6 +1594,50 @@ lift_list_to_pos_empty(?nil) -> ?nil; lift_list_to_pos_empty(?list(Content, Termination, _)) -> ?list(Content, Termination, ?unknown_qual). +-spec t_widen_to_number(erl_type()) -> erl_type(). + +%% Widens integers and floats to t_number(). +%% Used by erl_bif_types:key_comparison_fail(). + +t_widen_to_number(?any) -> ?any; +t_widen_to_number(?none) -> ?none; +t_widen_to_number(?unit) -> ?unit; +t_widen_to_number(?atom(_Set) = T) -> T; +t_widen_to_number(?bitstr(_Unit, _Base) = T) -> T; +t_widen_to_number(?float) -> t_number(); +t_widen_to_number(?function(Domain, Range)) -> + ?function(t_widen_to_number(Domain), t_widen_to_number(Range)); +t_widen_to_number(?identifier(_Types) = T) -> T; +t_widen_to_number(?int_range(_From, _To)) -> t_number(); +t_widen_to_number(?int_set(_Set)) -> t_number(); +t_widen_to_number(?integer(_Types)) -> t_number(); +t_widen_to_number(?list(Type, Tail, Size)) -> + ?list(t_widen_to_number(Type), t_widen_to_number(Tail), Size); +t_widen_to_number(?map(Pairs, DefK, DefV)) -> + L = [{t_widen_to_number(K), MNess, t_widen_to_number(V)} || + {K, MNess, V} <- Pairs], + t_map(L, t_widen_to_number(DefK), t_widen_to_number(DefV)); +t_widen_to_number(?matchstate(_P, _Slots) = T) -> T; +t_widen_to_number(?nil) -> ?nil; +t_widen_to_number(?number(_Set, _Tag)) -> t_number(); +t_widen_to_number(?opaque(Set)) -> + L = [Opaque#opaque{struct = t_widen_to_number(S)} || + #opaque{struct = S} = Opaque <- set_to_list(Set)], + ?opaque(ordsets:from_list(L)); +t_widen_to_number(?product(Types)) -> + ?product(list_widen_to_number(Types)); +t_widen_to_number(?tuple(?any, _, _) = T) -> T; +t_widen_to_number(?tuple(Types, Arity, Tag)) -> + ?tuple(list_widen_to_number(Types), Arity, Tag); +t_widen_to_number(?tuple_set(_) = Tuples) -> + t_sup([t_widen_to_number(T) || T <- t_tuple_subtypes(Tuples)]); +t_widen_to_number(?union(List)) -> + ?union(list_widen_to_number(List)); +t_widen_to_number(?var(_Id)= T) -> T. + +list_widen_to_number(List) -> + [t_widen_to_number(E) || E <- List]. + %%----------------------------------------------------------------------------- %% Maps %% @@ -3104,9 +3148,18 @@ is_compat_arg(?list(Contents1, Termination1, Size1), is_compat_arg(?product(Types1), ?product(Types2)) -> is_compat_list(Types1, Types2); is_compat_arg(?map(Pairs1, DefK1, DefV1), ?map(Pairs2, DefK2, DefV2)) -> - (is_compat_list(Pairs1, Pairs2) andalso - is_compat_arg(DefK1, DefK2) andalso - is_compat_arg(DefV1, DefV2)); + {Ks1, _, Vs1} = lists:unzip3(Pairs1), + {Ks2, _, Vs2} = lists:unzip3(Pairs2), + Key1 = t_sup([DefK1 | Ks1]), + Key2 = t_sup([DefK2 | Ks2]), + case is_compat_arg(Key1, Key2) of + true -> + Value1 = t_sup([DefV1 | Vs1]), + Value2 = t_sup([DefV2 | Vs2]), + is_compat_arg(Value1, Value2); + false -> + false + end; is_compat_arg(?tuple(?any, ?any, ?any), ?tuple(_, _, _)) -> false; is_compat_arg(?tuple(_, _, _), ?tuple(?any, ?any, ?any)) -> false; is_compat_arg(?tuple(Elements1, Arity, _), @@ -4156,39 +4209,6 @@ t_abstract_records(?opaque(_)=Type, RecDict) -> t_abstract_records(T, _RecDict) -> T. -%% Map over types. Depth first. Used by the contract checker. ?list is -%% not fully implemented so take care when changing the type in Termination. - --spec t_map(fun((erl_type()) -> erl_type()), erl_type()) -> erl_type(). - -t_map(Fun, ?list(Contents, Termination, Size)) -> - Fun(?list(t_map(Fun, Contents), t_map(Fun, Termination), Size)); -t_map(Fun, ?function(Domain, Range)) -> - Fun(?function(t_map(Fun, Domain), t_map(Fun, Range))); -t_map(Fun, ?product(Types)) -> - Fun(?product([t_map(Fun, T) || T <- Types])); -t_map(Fun, ?union(Types)) -> - Fun(t_sup([t_map(Fun, T) || T <- Types])); -t_map(Fun, ?tuple(?any, ?any, ?any) = T) -> - Fun(T); -t_map(Fun, ?tuple(Elements, _Arity, _Tag)) -> - Fun(t_tuple([t_map(Fun, E) || E <- Elements])); -t_map(Fun, ?tuple_set(_) = Tuples) -> - Fun(t_sup([t_map(Fun, T) || T <- t_tuple_subtypes(Tuples)])); -t_map(Fun, ?opaque(Set)) -> - L = [Opaque#opaque{struct = NewS} || - #opaque{struct = S} = Opaque <- set_to_list(Set), - not t_is_none(NewS = t_map(Fun, S))], - Fun(case L of - [] -> ?none; - _ -> ?opaque(ordsets:from_list(L)) - end); -t_map(Fun, ?map(Pairs,DefK,DefV)) -> - %% TODO: - Fun(t_map(Pairs, Fun(DefK), Fun(DefV))); -t_map(Fun, T) -> - Fun(T). - %%============================================================================= %% %% Prettyprinter |