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authorHans Bolinder <hasse@erlang.org>2014-03-03 14:38:40 +0100
committerHans Bolinder <hasse@erlang.org>2014-03-04 11:44:08 +0100
commite2910a4fc3c0e8f70fef5578225edc6e36d6fbe7 (patch)
treeb2a78cd2945b87b03f5eba43bc97c65117e2b070 /lib/stdlib/src
parent477824259524f918ad94d36fb0d3b746e4b12111 (diff)
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Improve message about deprecated built-in types
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/erl_lint.erl48
1 files changed, 33 insertions, 15 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 9f5be2da37..603808328e 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -344,10 +344,19 @@ format_error(spec_wrong_arity) ->
"spec has the wrong arity";
format_error(callback_wrong_arity) ->
"callback has the wrong arity";
-format_error({deprecated_type, {Name, Arity}, {Mod, NewName}, Rel}) ->
+format_error({deprecated_builtin_type, {Name, Arity},
+ Replacement, Rel}) ->
+ UseS = case Replacement of
+ {Mod, NewName} ->
+ io_lib:format("use ~w:~w/~w", [Mod, NewName, Arity]);
+ {Mod, NewName, NewArity} ->
+ io_lib:format("use ~w:~w/~w or preferably ~w:~w/~w",
+ [Mod, NewName, Arity,
+ Mod, NewName, NewArity])
+ end,
io_lib:format("type ~w/~w is deprecated and will be "
- "removed in ~s; use ~w:~w/~w",
- [Name, Arity, Rel, Mod, NewName, Arity]);
+ "removed in ~s; use ~s",
+ [Name, Arity, Rel, UseS]);
format_error({not_exported_opaque, {TypeName, Arity}}) ->
io_lib:format("opaque type ~w~s is not exported",
[TypeName, gen_type_paren(Arity)]);
@@ -2637,10 +2646,10 @@ check_type({type, La, TypeName, Args}, SeenVars, St) ->
St1 = case is_var_arity_type(TypeName) of
true -> St;
false ->
- Obsolete = obsolete_type(TypePair),
+ Obsolete = obsolete_builtin_type(TypePair),
IsObsolete =
case Obsolete of
- {deprecated, {M, _}, _} when M =/= Module ->
+ {deprecated, Repl, _} when element(1, Repl) =/= Module ->
case dict:find(TypePair, Types) of
{ok, _} -> false;
error -> true
@@ -2650,7 +2659,8 @@ check_type({type, La, TypeName, Args}, SeenVars, St) ->
case IsObsolete of
true ->
{deprecated, Replacement, Rel} = Obsolete,
- W = {deprecated_type, TypePair, Replacement, Rel},
+ Tag = deprecated_builtin_type,
+ W = {Tag, TypePair, Replacement, Rel},
add_warning(La, W, St);
false ->
OldUsed = Usage#usage.used_types,
@@ -2780,15 +2790,23 @@ is_newly_introduced_builtin_type({boolean, 0}) -> true;
is_newly_introduced_builtin_type({Name, _}) when is_atom(Name) -> false.
%% Obsolete in OTP 17.0.
-obsolete_type({array, 0}) -> {deprecated, {array, array}, "OTP 18.0"};
-obsolete_type({dict, 0}) -> {deprecated, {dict, dict}, "OTP 18.0"};
-obsolete_type({digraph, 0}) -> {deprecated, {digraph, graph}, "OTP 18.0"};
-obsolete_type({gb_set, 0}) -> {deprecated, {gb_sets, set}, "OTP 18.0"};
-obsolete_type({gb_tree, 0}) -> {deprecated, {gb_trees, tree}, "OTP 18.0"};
-obsolete_type({queue, 0}) -> {deprecated, {queue, queue}, "OTP 18.0"};
-obsolete_type({set, 0}) -> {deprecated, {sets, set}, "OTP 18.0"};
-obsolete_type({tid, 0}) -> {deprecated, {ets, tid}, "OTP 18.0"};
-obsolete_type({Name, _}) when is_atom(Name) -> no.
+obsolete_builtin_type({array, 0}) ->
+ {deprecated, {array, array, 1}, "OTP 18.0"};
+obsolete_builtin_type({dict, 0}) ->
+ {deprecated, {dict, dict, 2}, "OTP 18.0"};
+obsolete_builtin_type({digraph, 0}) ->
+ {deprecated, {digraph, graph}, "OTP 18.0"};
+obsolete_builtin_type({gb_set, 0}) ->
+ {deprecated, {gb_sets, set, 1}, "OTP 18.0"};
+obsolete_builtin_type({gb_tree, 0}) ->
+ {deprecated, {gb_trees, tree, 2}, "OTP 18.0"};
+obsolete_builtin_type({queue, 0}) ->
+ {deprecated, {queue, queue, 1}, "OTP 18.0"};
+obsolete_builtin_type({set, 0}) ->
+ {deprecated, {sets, set, 1}, "OTP 18.0"};
+obsolete_builtin_type({tid, 0}) ->
+ {deprecated, {ets, tid}, "OTP 18.0"};
+obsolete_builtin_type({Name, _}) when is_atom(Name) -> no.
%% spec_decl(Line, Fun, Types, State) -> State.