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-rw-r--r--lib/stdlib/src/erl_pp.erl8
-rw-r--r--lib/stdlib/test/erl_pp_SUITE.erl13
2 files changed, 16 insertions, 5 deletions
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index c0596e5ba6..657cb5d34c 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -214,7 +214,9 @@ lattribute({attribute,_Line,type,Type}, Opts, _State) ->
lattribute({attribute,_Line,opaque,Type}, Opts, _State) ->
[typeattr(opaque, Type, Opts),leaf(".\n")];
lattribute({attribute,_Line,spec,Arg}, _Opts, _State) ->
- [specattr(Arg),leaf(".\n")];
+ [specattr(spec, Arg),leaf(".\n")];
+lattribute({attribute,_Line,callback,Arg}, _Opts, _State) ->
+ [specattr(callback, Arg),leaf(".\n")];
lattribute({attribute,_Line,Name,Arg}, Opts, State) ->
[lattribute(Name, Arg, Opts, State),leaf(".\n")].
@@ -311,14 +313,14 @@ union_elem(T) ->
tuple_type(Ts, F) ->
{seq,${,$},[$,],ltypes(Ts, F)}.
-specattr({FuncSpec,TypeSpecs}) ->
+specattr(SpecKind, {FuncSpec,TypeSpecs}) ->
Func = case FuncSpec of
{F,_A} ->
format("~w", [F]);
{M,F,_A} ->
format("~w:~w", [M, F])
end,
- {first,leaf("-spec "),
+ {first,leaf(lists:concat(["-", SpecKind, " "])),
{list,[{first,leaf(Func),spec_clauses(TypeSpecs)}]}}.
spec_clauses(TypeSpecs) ->
diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl
index ff3470349e..2b7cec87df 100644
--- a/lib/stdlib/test/erl_pp_SUITE.erl
+++ b/lib/stdlib/test/erl_pp_SUITE.erl
@@ -43,7 +43,7 @@
receive_after/1, bits/1, head_tail/1,
cond1/1, block/1, case1/1, ops/1, messages/1,
old_mnemosyne_syntax/1,
- import_export/1, misc_attrs/1,
+ import_export/1, misc_attrs/1, dialyzer_attrs/1,
hook/1,
neg_indent/1,
@@ -77,7 +77,7 @@ groups() ->
[func, call, recs, try_catch, if_then, receive_after,
bits, head_tail, cond1, block, case1, ops,
messages, old_mnemosyne_syntax]},
- {attributes, [], [misc_attrs, import_export]},
+ {attributes, [], [misc_attrs, import_export, dialyzer_attrs]},
{tickets, [],
[otp_6321, otp_6911, otp_6914, otp_8150, otp_8238,
otp_8473, otp_8522, otp_8567, otp_8664, otp_9147,
@@ -597,6 +597,15 @@ misc_attrs(Config) when is_list(Config) ->
ok.
+dialyzer_attrs(suite) ->
+ [];
+dialyzer_attrs(Config) when is_list(Config) ->
+ ok = pp_forms(<<"-type foo() :: #bar{}. ">>),
+ ok = pp_forms(<<"-opaque foo() :: {bar, fun((X, [42,...]) -> X)}. ">>),
+ ok = pp_forms(<<"-spec foo(bar(), qux()) -> [T | baz(T)]. ">>),
+ ok = pp_forms(<<"-callback foo(<<_:32,_:_*4>>, T) -> T. ">>),
+ ok.
+
hook(suite) ->
[];
hook(Config) when is_list(Config) ->