From 45231fa599583edc95843aaa4f23b12f762e01e7 Mon Sep 17 00:00:00 2001 From: Predrag Gruevski Date: Wed, 23 Jul 2025 00:00:01 +0000 Subject: [PATCH] [rustdoc] Display unsafe attrs with edition 2024 `unsafe()` wrappers. --- src/librustdoc/clean/types.rs | 6 +++--- tests/rustdoc/attribute-rendering.rs | 6 +++--- tests/rustdoc/attributes-2021-edition.rs | 14 ++++++++++++++ tests/rustdoc/attributes-re-export-2021-edition.rs | 13 +++++++++++++ tests/rustdoc/attributes-re-export.rs | 2 +- tests/rustdoc/attributes.rs | 13 +++++++++---- tests/rustdoc/reexport/reexport-attrs.rs | 6 +++--- 7 files changed, 46 insertions(+), 14 deletions(-) create mode 100644 tests/rustdoc/attributes-2021-edition.rs create mode 100644 tests/rustdoc/attributes-re-export-2021-edition.rs diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 5ac5da24299fa..64e707ad9d364 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -768,13 +768,13 @@ impl Item { .iter() .filter_map(|attr| match attr { hir::Attribute::Parsed(AttributeKind::LinkSection { name, .. }) => { - Some(format!("#[link_section = \"{name}\"]")) + Some(format!("#[unsafe(link_section = \"{name}\")]")) } hir::Attribute::Parsed(AttributeKind::NoMangle(..)) => { - Some("#[no_mangle]".to_string()) + Some("#[unsafe(no_mangle)]".to_string()) } hir::Attribute::Parsed(AttributeKind::ExportName { name, .. }) => { - Some(format!("#[export_name = \"{name}\"]")) + Some(format!("#[unsafe(export_name = \"{name}\")]")) } hir::Attribute::Parsed(AttributeKind::NonExhaustive(..)) => { Some("#[non_exhaustive]".to_string()) diff --git a/tests/rustdoc/attribute-rendering.rs b/tests/rustdoc/attribute-rendering.rs index 841533814c388..bf9b81077f356 100644 --- a/tests/rustdoc/attribute-rendering.rs +++ b/tests/rustdoc/attribute-rendering.rs @@ -1,7 +1,7 @@ #![crate_name = "foo"] //@ has 'foo/fn.f.html' -//@ has - //*[@'class="rust item-decl"]' '#[export_name = "f"] pub fn f()' -#[export_name = "\ -f"] +//@ has - //*[@'class="rust item-decl"]' '#[unsafe(export_name = "f")] pub fn f()' +#[unsafe(export_name = "\ +f")] pub fn f() {} diff --git a/tests/rustdoc/attributes-2021-edition.rs b/tests/rustdoc/attributes-2021-edition.rs new file mode 100644 index 0000000000000..b5028d8c85254 --- /dev/null +++ b/tests/rustdoc/attributes-2021-edition.rs @@ -0,0 +1,14 @@ +//@ edition: 2021 +#![crate_name = "foo"] + +//@ has foo/fn.f.html '//pre[@class="rust item-decl"]' '#[unsafe(no_mangle)]' +#[no_mangle] +pub extern "C" fn f() {} + +//@ has foo/fn.g.html '//pre[@class="rust item-decl"]' '#[unsafe(export_name = "bar")]' +#[export_name = "bar"] +pub extern "C" fn g() {} + +//@ has foo/fn.example.html '//pre[@class="rust item-decl"]' '#[unsafe(link_section = ".text")]' +#[link_section = ".text"] +pub extern "C" fn example() {} diff --git a/tests/rustdoc/attributes-re-export-2021-edition.rs b/tests/rustdoc/attributes-re-export-2021-edition.rs new file mode 100644 index 0000000000000..04ee6c273dd61 --- /dev/null +++ b/tests/rustdoc/attributes-re-export-2021-edition.rs @@ -0,0 +1,13 @@ +// Tests that attributes are correctly copied onto a re-exported item. +//@ edition:2024 +#![crate_name = "re_export"] + +//@ has 're_export/fn.thingy2.html' '//pre[@class="rust item-decl"]' '#[unsafe(no_mangle)]' +pub use thingymod::thingy as thingy2; + +mod thingymod { + #[unsafe(no_mangle)] + pub fn thingy() { + + } +} diff --git a/tests/rustdoc/attributes-re-export.rs b/tests/rustdoc/attributes-re-export.rs index 458826ea8a356..820276f83c091 100644 --- a/tests/rustdoc/attributes-re-export.rs +++ b/tests/rustdoc/attributes-re-export.rs @@ -2,7 +2,7 @@ //@ edition:2021 #![crate_name = "re_export"] -//@ has 're_export/fn.thingy2.html' '//pre[@class="rust item-decl"]' '#[no_mangle]' +//@ has 're_export/fn.thingy2.html' '//pre[@class="rust item-decl"]' '#[unsafe(no_mangle)]' pub use thingymod::thingy as thingy2; mod thingymod { diff --git a/tests/rustdoc/attributes.rs b/tests/rustdoc/attributes.rs index e34468a88b113..34487a8912778 100644 --- a/tests/rustdoc/attributes.rs +++ b/tests/rustdoc/attributes.rs @@ -1,13 +1,18 @@ +//@ edition: 2024 #![crate_name = "foo"] -//@ has foo/fn.f.html '//pre[@class="rust item-decl"]' '#[no_mangle]' -#[no_mangle] +//@ has foo/fn.f.html '//pre[@class="rust item-decl"]' '#[unsafe(no_mangle)]' +#[unsafe(no_mangle)] pub extern "C" fn f() {} -//@ has foo/fn.g.html '//pre[@class="rust item-decl"]' '#[export_name = "bar"]' -#[export_name = "bar"] +//@ has foo/fn.g.html '//pre[@class="rust item-decl"]' '#[unsafe(export_name = "bar")]' +#[unsafe(export_name = "bar")] pub extern "C" fn g() {} +//@ has foo/fn.example.html '//pre[@class="rust item-decl"]' '#[unsafe(link_section = ".text")]' +#[unsafe(link_section = ".text")] +pub extern "C" fn example() {} + //@ has foo/struct.Repr.html '//pre[@class="rust item-decl"]' '#[repr(C, align(8))]' #[repr(C, align(8))] pub struct Repr; diff --git a/tests/rustdoc/reexport/reexport-attrs.rs b/tests/rustdoc/reexport/reexport-attrs.rs index 0ec645841f0b8..aec0a11c0c6a0 100644 --- a/tests/rustdoc/reexport/reexport-attrs.rs +++ b/tests/rustdoc/reexport/reexport-attrs.rs @@ -4,13 +4,13 @@ extern crate reexports_attrs; -//@ has 'foo/fn.f0.html' '//pre[@class="rust item-decl"]' '#[no_mangle]' +//@ has 'foo/fn.f0.html' '//pre[@class="rust item-decl"]' '#[unsafe(no_mangle)]' pub use reexports_attrs::f0; -//@ has 'foo/fn.f1.html' '//pre[@class="rust item-decl"]' '#[link_section = ".here"]' +//@ has 'foo/fn.f1.html' '//pre[@class="rust item-decl"]' '#[unsafe(link_section = ".here")]' pub use reexports_attrs::f1; -//@ has 'foo/fn.f2.html' '//pre[@class="rust item-decl"]' '#[export_name = "f2export"]' +//@ has 'foo/fn.f2.html' '//pre[@class="rust item-decl"]' '#[unsafe(export_name = "f2export")]' pub use reexports_attrs::f2; //@ has 'foo/enum.T0.html' '//pre[@class="rust item-decl"]' '#[repr(u8)]'