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-rw-r--r--lib/stdlib/src/erl_parse.yrl20
1 files changed, 16 insertions, 4 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index e1ae3b7aea..a626d98ee4 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -146,8 +146,7 @@ type -> '(' top_type ')' : {paren_type, ?line('$2'), ['$2']}.
type -> var : '$1'.
type -> atom : '$1'.
type -> atom '(' ')' : build_gen_type('$1').
-type -> atom '(' top_types ')' : {type, ?line('$1'),
- normalise('$1'), '$3'}.
+type -> atom '(' top_types ')' : build_type('$1', '$3').
type -> atom ':' atom '(' ')' : {remote_type, ?line('$1'),
['$1', '$3', []]}.
type -> atom ':' atom '(' top_types ')' : {remote_type, ?line('$1'),
@@ -181,7 +180,7 @@ fun_type -> '(' top_types ')' '->' top_type
map_pair_types -> map_pair_type : ['$1'].
map_pair_types -> map_pair_type ',' map_pair_types : ['$1'|'$3'].
-map_pair_type -> top_type '=>' top_type : {type, ?line('$2'), map_field_assoc,'$1','$3'}.
+map_pair_type -> top_type '=>' top_type : {type, ?line('$2'), map_field_assoc,['$1','$3']}.
field_types -> field_type : ['$1'].
field_types -> field_type ',' field_types : ['$1'|'$3'].
@@ -665,6 +664,8 @@ find_arity_from_specs([Spec|_]) ->
{type, _, 'fun', [{type, _, product, Args},_]} = Fun,
length(Args).
+build_def({var, L, '_'}, _Types) ->
+ ret_err(L, "bad type variable");
build_def(LHS, Types) ->
IsSubType = {atom, ?line(LHS), is_subtype},
{type, ?line(LHS), constraint, [IsSubType, [LHS, Types]]}.
@@ -684,7 +685,8 @@ build_gen_type({atom, La, tuple}) ->
build_gen_type({atom, La, map}) ->
{type, La, map, any};
build_gen_type({atom, La, Name}) ->
- {type, La, Name, []}.
+ Tag = type_tag(Name, 0),
+ {Tag, La, Name, []}.
build_bin_type([{var, _, '_'}|Left], Int) ->
build_bin_type(Left, Int);
@@ -693,6 +695,16 @@ build_bin_type([], Int) ->
build_bin_type([{var, La, _}|_], _) ->
ret_err(La, "Bad binary type").
+build_type({atom, L, Name}, Types) ->
+ Tag = type_tag(Name, length(Types)),
+ {Tag, L, Name, Types}.
+
+type_tag(TypeName, NumberOfTypeVariables) ->
+ case erl_internal:is_type(TypeName, NumberOfTypeVariables) of
+ true -> type;
+ false -> user_type
+ end.
+
%% build_attribute(AttrName, AttrValue) ->
%% {attribute,Line,module,Module}
%% {attribute,Line,export,Exports}