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-rw-r--r--lib/hipe/cerl/erl_types.erl139
1 files changed, 73 insertions, 66 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 5a4cf77b81..ff62cf7499 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -3059,88 +3059,91 @@ is_compat_args([A1|Args1], [A2|Args2]) ->
is_compat_args([], []) -> true;
is_compat_args(_, _) -> false.
-is_compat_arg(A1, A2) ->
- is_specialization(A1, A2) orelse is_specialization(A2, A1).
-
--spec is_specialization(erl_type(), erl_type()) -> boolean().
-
-%% Returns true if the first argument is a specialization of the
-%% second argument in the sense that every type is a specialization of
-%% any(). For example, {_,_} is a specialization of any(), but not of
-%% tuple(). Does not handle variables, but any() and unions (sort of).
-
-is_specialization(T, T) -> true;
-is_specialization(_, ?any) -> true;
-is_specialization(?any, _) -> false;
-is_specialization(?function(Domain1, Range1), ?function(Domain2, Range2)) ->
- (is_specialization(Domain1, Domain2) andalso
- is_specialization(Range1, Range2));
-is_specialization(?list(Contents1, Termination1, Size1),
- ?list(Contents2, Termination2, Size2)) ->
+-spec is_compat_arg(erl_type(), erl_type()) -> boolean().
+
+%% The intention is that 'true' is to be returned iff one of the
+%% arguments is a specialization of the other argument in the sense
+%% that every type is a specialization of any(). For example, {_,_} is
+%% a specialization of any(), but not of tuple(). Does not handle
+%% variables, but any() and unions (sort of). However, the
+%% implementation is more relaxed as any() is compatible to anything.
+
+is_compat_arg(T, T) -> true;
+is_compat_arg(_, ?any) -> true;
+is_compat_arg(?any, _) -> true;
+is_compat_arg(?function(Domain1, Range1), ?function(Domain2, Range2)) ->
+ (is_compat_arg(Domain1, Domain2) andalso
+ is_compat_arg(Range1, Range2));
+is_compat_arg(?list(Contents1, Termination1, Size1),
+ ?list(Contents2, Termination2, Size2)) ->
(Size1 =:= Size2 andalso
- is_specialization(Contents1, Contents2) andalso
- is_specialization(Termination1, Termination2));
-is_specialization(?product(Types1), ?product(Types2)) ->
- specialization_list(Types1, Types2);
-is_specialization(?tuple(?any, ?any, ?any), ?tuple(_, _, _)) -> false;
-is_specialization(?tuple(_, _, _), ?tuple(?any, ?any, ?any)) -> false;
-is_specialization(?tuple(Elements1, Arity, _),
- ?tuple(Elements2, Arity, _)) when Arity =/= ?any ->
- specialization_list(Elements1, Elements2);
-is_specialization(?tuple_set([{Arity, List}]),
- ?tuple(Elements2, Arity, _)) when Arity =/= ?any ->
- specialization_list(sup_tuple_elements(List), Elements2);
-is_specialization(?tuple(Elements1, Arity, _),
- ?tuple_set([{Arity, List}])) when Arity =/= ?any ->
- specialization_list(Elements1, sup_tuple_elements(List));
-is_specialization(?tuple_set(List1), ?tuple_set(List2)) ->
+ is_compat_arg(Contents1, Contents2) andalso
+ is_compat_arg(Termination1, Termination2));
+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));
+is_compat_arg(?tuple(?any, ?any, ?any), ?tuple(_, _, _)) -> false;
+is_compat_arg(?tuple(_, _, _), ?tuple(?any, ?any, ?any)) -> false;
+is_compat_arg(?tuple(Elements1, Arity, _),
+ ?tuple(Elements2, Arity, _)) when Arity =/= ?any ->
+ is_compat_list(Elements1, Elements2);
+is_compat_arg(?tuple_set([{Arity, List}]),
+ ?tuple(Elements2, Arity, _)) when Arity =/= ?any ->
+ is_compat_list(sup_tuple_elements(List), Elements2);
+is_compat_arg(?tuple(Elements1, Arity, _),
+ ?tuple_set([{Arity, List}])) when Arity =/= ?any ->
+ is_compat_list(Elements1, sup_tuple_elements(List));
+is_compat_arg(?tuple_set(List1), ?tuple_set(List2)) ->
try
- specialization_list_list([sup_tuple_elements(T) || {_Arity, T} <- List1],
- [sup_tuple_elements(T) || {_Arity, T} <- List2])
+ is_compat_list_list([sup_tuple_elements(T) || {_Arity, T} <- List1],
+ [sup_tuple_elements(T) || {_Arity, T} <- List2])
catch _:_ -> false
end;
-is_specialization(?opaque(_) = T1, T2) ->
- is_specialization(t_opaque_structure(T1), T2);
-is_specialization(T1, ?opaque(_) = T2) ->
- is_specialization(T1, t_opaque_structure(T2));
-is_specialization(?union(List1)=T1, ?union(List2)=T2) ->
- case specialization_union2(T1, T2) of
- {yes, Type1, Type2} -> is_specialization(Type1, Type2);
- no -> specialization_list(List1, List2)
+is_compat_arg(?opaque(_) = T1, T2) ->
+ is_compat_arg(t_opaque_structure(T1), T2);
+is_compat_arg(T1, ?opaque(_) = T2) ->
+ is_compat_arg(T1, t_opaque_structure(T2));
+is_compat_arg(?union(List1)=T1, ?union(List2)=T2) ->
+ case is_compat_union2(T1, T2) of
+ {yes, Type1, Type2} -> is_compat_arg(Type1, Type2);
+ no -> is_compat_list(List1, List2)
end;
-is_specialization(?union(List), T2) ->
+is_compat_arg(?union(List), T2) ->
case unify_union(List) of
- {yes, Type} -> is_specialization(Type, T2);
+ {yes, Type} -> is_compat_arg(Type, T2);
no -> false
end;
-is_specialization(T1, ?union(List)) ->
+is_compat_arg(T1, ?union(List)) ->
case unify_union(List) of
- {yes, Type} -> is_specialization(T1, Type);
+ {yes, Type} -> is_compat_arg(T1, Type);
no -> false
end;
-is_specialization(?var(_), _) -> exit(error);
-is_specialization(_, ?var(_)) -> exit(error);
-is_specialization(?none, _) -> false;
-is_specialization(_, ?none) -> false;
-is_specialization(?unit, _) -> false;
-is_specialization(_, ?unit) -> false;
-is_specialization(#c{}, #c{}) -> false.
+is_compat_arg(?var(_), _) -> exit(error);
+is_compat_arg(_, ?var(_)) -> exit(error);
+is_compat_arg(?none, _) -> false;
+is_compat_arg(_, ?none) -> false;
+is_compat_arg(?unit, _) -> false;
+is_compat_arg(_, ?unit) -> false;
+is_compat_arg(#c{}, #c{}) -> false.
-specialization_list_list(LL1, LL2) ->
- length(LL1) =:= length(LL2) andalso specialization_list_list1(LL1, LL2).
+is_compat_list_list(LL1, LL2) ->
+ length(LL1) =:= length(LL2) andalso is_compat_list_list1(LL1, LL2).
-specialization_list_list1([], []) -> true;
-specialization_list_list1([L1|LL1], [L2|LL2]) ->
- specialization_list(L1, L2) andalso specialization_list_list1(LL1, LL2).
+is_compat_list_list1([], []) -> true;
+is_compat_list_list1([L1|LL1], [L2|LL2]) ->
+ is_compat_list(L1, L2) andalso is_compat_list_list1(LL1, LL2).
-specialization_list(L1, L2) ->
- length(L1) =:= length(L2) andalso specialization_list1(L1, L2).
+is_compat_list(L1, L2) ->
+ length(L1) =:= length(L2) andalso is_compat_list1(L1, L2).
-specialization_list1([], []) -> true;
-specialization_list1([T1|L1], [T2|L2]) ->
- is_specialization(T1, T2) andalso specialization_list1(L1, L2).
+is_compat_list1([], []) -> true;
+is_compat_list1([T1|L1], [T2|L2]) ->
+ is_compat_arg(T1, T2) andalso is_compat_list1(L1, L2).
-specialization_union2(?union(List1)=T1, ?union(List2)=T2) ->
+is_compat_union2(?union(List1)=T1, ?union(List2)=T2) ->
case {unify_union(List1), unify_union(List2)} of
{{yes, Type1}, {yes, Type2}} -> {yes, Type1, Type2};
{{yes, Type1}, no} -> {yes, Type1, T2};
@@ -4534,6 +4537,8 @@ from_form({atom, _L, Atom}, _S, _D, L, C) ->
{t_atom(Atom), L, C};
from_form({integer, _L, Int}, _S, _D, L, C) ->
{t_integer(Int), L, C};
+from_form({char, _L, Char}, _S, _D, L, C) ->
+ {t_integer(Char), L, C};
from_form({op, _L, _Op, _Arg} = Op, _S, _D, L, C) ->
case erl_eval:partial_eval(Op) of
{integer, _, Val} ->
@@ -5048,6 +5053,7 @@ check_record_fields({remote_type, _L, [{atom, _, _}, {atom, _, _}, Args]},
list_check_record_fields(Args, S, C);
check_record_fields({atom, _L, _}, _S, C) -> C;
check_record_fields({integer, _L, _}, _S, C) -> C;
+check_record_fields({char, _L, _}, _S, C) -> C;
check_record_fields({op, _L, _Op, _Arg}, _S, C) -> C;
check_record_fields({op, _L, _Op, _Arg1, _Arg2}, _S, C) -> C;
check_record_fields({type, _L, tuple, any}, _S, C) -> C;
@@ -5149,6 +5155,7 @@ t_form_to_string({var, _L, Name}) -> atom_to_list(Name);
t_form_to_string({atom, _L, Atom}) ->
io_lib:write_string(atom_to_list(Atom), $'); % To quote or not to quote... '
t_form_to_string({integer, _L, Int}) -> integer_to_list(Int);
+t_form_to_string({char, _L, Char}) -> integer_to_list(Char);
t_form_to_string({op, _L, _Op, _Arg} = Op) ->
case erl_eval:partial_eval(Op) of
{integer, _, _} = Int -> t_form_to_string(Int);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-25 18:25:07 +0000