aboutsummaryrefslogtreecommitdiffstats
path: root/lib/hipe
diff options
context:
space:
mode:
authorBjörn Gustavsson <bjorn@erlang.org>2011-09-21 11:21:59 +0200
committerBjörn Gustavsson <bjorn@erlang.org>2011-09-21 11:21:59 +0200
commitb5318ec588c0927dc8610451f92888646c255020 (patch)
tree7e66ca7f6233411eb2d1a6b66b50d0c984a90daa /lib/hipe
parent53cf0b70c705e0bf6c09f83f2ce2709d79593ce6 (diff)
parent4e3be15240c8d3f2897a994e8399684d5c8b6268 (diff)
downloadotp-b5318ec588c0927dc8610451f92888646c255020.tar.gz
otp-b5318ec588c0927dc8610451f92888646c255020.tar.bz2
otp-b5318ec588c0927dc8610451f92888646c255020.zip
Merge branch 'bjorn/erl_bif_types/OTP-9496' into dev
* bjorn/erl_bif_types/OTP-9496: erl_bif_types: Fix types for lists:key{search,find,member}/3
Diffstat (limited to 'lib/hipe')
-rw-r--r--lib/hipe/cerl/erl_bif_types.erl26
1 files changed, 12 insertions, 14 deletions
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 827fa79ec5..4163f2dae2 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -2329,10 +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
@@ -2362,9 +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
@@ -2394,10 +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
@@ -2825,9 +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).
@@ -3222,6 +3211,15 @@ 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).
%%=============================================================================