aboutsummaryrefslogtreecommitdiffstats
path: root/lib/hipe
diff options
context:
space:
mode:
authorHans Bolinder <[email protected]>2019-02-25 08:09:45 +0100
committerHans Bolinder <[email protected]>2019-02-25 08:09:45 +0100
commitc13aea731bb672afacd4fbc0594649957bbffb8a (patch)
treea24364d7b614d06b5ab3320f6b7736b37cf0e0b5 /lib/hipe
parent6053c0e4d7e579a57629c5610ee6c1dc185d2a46 (diff)
parentd6b3eb786192800d0b3903bb591ed49d007a1f3d (diff)
downloadotp-c13aea731bb672afacd4fbc0594649957bbffb8a.tar.gz
otp-c13aea731bb672afacd4fbc0594649957bbffb8a.tar.bz2
otp-c13aea731bb672afacd4fbc0594649957bbffb8a.zip
Merge branch 'maint'
* maint: dialyzer: Fix maps as parameter of opaque types dialyzer: Fix key check of lists:key{search,member,find}()
Diffstat (limited to 'lib/hipe')
-rw-r--r--lib/hipe/cerl/erl_bif_types.erl3
-rw-r--r--lib/hipe/cerl/erl_types.erl94
2 files changed, 59 insertions, 38 deletions
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 799957dfdc..8ae1cd4ab7 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -2224,7 +2224,8 @@ type_order() ->
[t_number(), t_atom(), t_reference(), t_fun(), t_port(), t_pid(), t_tuple(),
t_map(), t_list(), t_bitstr()].
-key_comparisons_fail(X, KeyPos, TupleList, Opaques) ->
+key_comparisons_fail(X0, KeyPos, TupleList, Opaques) ->
+ X = erl_types:t_widen_to_number(X0),
lists:all(fun(Tuple) ->
Key = type(erlang, element, 2, [KeyPos, Tuple]),
t_is_none(t_inf(Key, X, Opaques))
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