6 #![crate_type = "proc-macro"]
8 extern crate proc_macro;
12 pub fn check(_: TokenStream) -> TokenStream {
14 type Alias = FromOutside; // OK
17 type Alias = FromOutside; // `FromOutside` shouldn't be available from here
18 type Inner = Outer; // `Outer` shouldn't be available from here
23 #[proc_macro_attribute]
24 pub fn check_attr(_: TokenStream, _: TokenStream) -> TokenStream {
26 type AliasAttr = FromOutside; // OK
29 type Alias = FromOutside; // `FromOutside` shouldn't be available from here
30 type Inner = OuterAttr; // `OuterAttr` shouldn't be available from here
35 #[proc_macro_derive(CheckDerive)]
36 pub fn check_derive(_: TokenStream) -> TokenStream {
38 type AliasDerive = FromOutside; // OK
41 type Alias = FromOutside; // `FromOutside` shouldn't be available from here
42 type Inner = OuterDerive; // `OuterDerive` shouldn't be available from here
47 #[proc_macro_derive(CheckDeriveLint)]
48 pub fn check_derive_lint(_: TokenStream) -> TokenStream {
50 type AliasDeriveLint = FromOutside; // OK
51 struct OuterDeriveLint;
52 #[allow(proc_macro_derive_resolution_fallback)]
53 mod inner_derive_lint {
54 type Alias = FromOutside; // `FromOutside` shouldn't be available from here
55 type Inner = OuterDeriveLint; // `OuterDeriveLint` shouldn't be available from here