Mirrors/rust-clippy
2
0
Fork 0
mirror of https://github.com/rust-lang/rust-clippy synced 2024-11-23 21:23:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

add with_empty_docs attr macro & test cases for issue #12377

Browse source
This commit is contained in:
J-ZhengLi 2024-03-12 09:19:35 +08:00
parent 86717f2f0c
commit 10677d6901
3 changed files with 58 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
tests/ui/auxiliary/proc_macro_attr.rs
View file

@ -163,3 +163,16 @@ pub fn rewrite_struct(_args: TokenStream, input: TokenStream) -> TokenStream {
quote!(#item_struct).into()
}
#[proc_macro_attribute]
pub fn with_empty_docs(_attr: TokenStream, input: TokenStream) -> TokenStream {
let item = parse_macro_input!(input as syn::Item);
let attrs: Vec<syn::Attribute> = vec![];
let doc_comment = "";
quote! {
#(#attrs)*
#[doc = #doc_comment]
#item
}
.into()
}

17
tests/ui/empty_docs.rs
View file

@ -1,6 +1,9 @@
//@aux-build:proc_macro_attr.rs
#![allow(unused)]
#![warn(clippy::empty_docs)]
#![allow(clippy::mixed_attributes_style)]
#![feature(extern_types)]
mod outer {
//!
@ -67,3 +70,17 @@ mod outer {
y: i32,
}
}
mod issue_12377 {
use proc_macro_attr::with_empty_docs;
#[with_empty_docs]
extern "C" {
type Test;
}
#[with_empty_docs]
struct Foo {
a: u8,
}
}

38
tests/ui/empty_docs.stderr
View file

@ -1,5 +1,5 @@
error: empty doc comment
--> tests/ui/empty_docs.rs:6:5
--> tests/ui/empty_docs.rs:9:5
|
LL | //!
| ^^^
@ -9,7 +9,7 @@ LL | //!
= help: to override `-D warnings` add `#[allow(clippy::empty_docs)]`
error: empty doc comment
--> tests/ui/empty_docs.rs:14:5
--> tests/ui/empty_docs.rs:17:5
|
LL | ///
| ^^^
@ -17,7 +17,7 @@ LL | ///
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:16:9
--> tests/ui/empty_docs.rs:19:9
|
LL | ///
| ^^^
@ -25,7 +25,7 @@ LL | ///
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:27:5
--> tests/ui/empty_docs.rs:30:5
|
LL | #[doc = ""]
| ^^^^^^^^^^^
@ -33,7 +33,7 @@ LL | #[doc = ""]
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:30:5
--> tests/ui/empty_docs.rs:33:5
|
LL | / #[doc = ""]
LL | | #[doc = ""]
@ -42,7 +42,7 @@ LL | | #[doc = ""]
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:37:5
--> tests/ui/empty_docs.rs:40:5
|
LL | ///
| ^^^
@ -50,7 +50,7 @@ LL | ///
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:50:13
--> tests/ui/empty_docs.rs:53:13
|
LL | /*! */
| ^^^^^^
@ -58,7 +58,7 @@ LL | /*! */
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:58:13
--> tests/ui/empty_docs.rs:61:13
|
LL | ///
| ^^^
@ -66,12 +66,30 @@ LL | ///
= help: consider removing or filling it
error: empty doc comment
--> tests/ui/empty_docs.rs:66:9
--> tests/ui/empty_docs.rs:69:9
|
LL | ///
| ^^^
|
= help: consider removing or filling it
error: aborting due to 9 previous errors
error: empty doc comment
--> tests/ui/empty_docs.rs:77:5
|
LL | #[with_empty_docs]
| ^^^^^^^^^^^^^^^^^^
|
= help: consider removing or filling it
= note: this error originates in the attribute macro `with_empty_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
error: empty doc comment
--> tests/ui/empty_docs.rs:82:5
|
LL | #[with_empty_docs]
| ^^^^^^^^^^^^^^^^^^
|
= help: consider removing or filling it
= note: this error originates in the attribute macro `with_empty_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 11 previous errors