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authorHans Bolinder <[email protected]>2014-03-05 12:09:14 +0100
committerHans Bolinder <[email protected]>2014-03-05 12:09:14 +0100
commit70cb25dd47ca15a79f84d3f7a92c0316cf94bd03 (patch)
tree46203de80feacfb62bfed10c89f9569a8b61df9b /lib/stdlib/src
parentc199bd2923e7d733e60beb9bd27b3852cbb2e699 (diff)
parent774955d0d2a44fa8ac5943a14516d54db2b8f6d5 (diff)
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Merge branch 'hb/dialyzer/deprecate_types/OTP-10342'
* hb/dialyzer/deprecate_types/OTP-10342: Introduce compiler option 'nowarn_deprecated_type' Improve message about deprecated built-in types
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/erl_lint.erl52
1 files changed, 37 insertions, 15 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 9f5be2da37..1fe0bd5896 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)]);
@@ -499,6 +508,9 @@ start(File, Opts) ->
{deprecated_function,
bool_option(warn_deprecated_function, nowarn_deprecated_function,
true, Opts)},
+ {deprecated_type,
+ bool_option(warn_deprecated_type, nowarn_deprecated_type,
+ true, Opts)},
{obsolete_guard,
bool_option(warn_obsolete_guard, nowarn_obsolete_guard,
true, Opts)},
@@ -2637,10 +2649,11 @@ check_type({type, La, TypeName, Args}, SeenVars, St) ->
St1 = case is_var_arity_type(TypeName) of
true -> St;
false ->
- Obsolete = obsolete_type(TypePair),
+ Obsolete = (is_warn_enabled(deprecated_type, St)
+ andalso 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 +2663,8 @@ 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 +2794,23 @@ 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.