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Rollup merge of #82593 - sunfishcode:wasi-docs, r=alexcrichton

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Teach rustdoc how to display WASI.

As a followup to [this comment] in #82420, this patch teaches rustdoc
how to display WASI.

[this comment]: https://github.com/rust-lang/rust/pull/82420#issuecomment-784523826

r? `@alexcrichton`
This commit is contained in:
Yuki Okushi 2021-03-02 21:23:18 +09:00 committed by GitHub
commit 543ef7f13c
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1
src/librustdoc/clean/cfg.rs
View File

@ -483,6 +483,7 @@ impl<'a> fmt::Display for Display<'a> {
"openbsd" => "OpenBSD",
"redox" => "Redox",
"solaris" => "Solaris",
"wasi" => "WASI",
"windows" => "Windows",
_ => "",
},

4
src/librustdoc/clean/cfg/tests.rs
View File

@ -367,6 +367,10 @@ fn test_render_long_html() {
name_value_cfg("target_os", "macos").render_long_html(),
"This is supported on <strong>macOS</strong> only."
);
assert_eq!(
name_value_cfg("target_os", "wasi").render_long_html(),
"This is supported on <strong>WASI</strong> only."
);
assert_eq!(
name_value_cfg("target_pointer_width", "16").render_long_html(),
"This is supported on <strong>16-bit</strong> only."

32
src/test/rustdoc/doc-cfg.rs
View File

@ -5,6 +5,8 @@
// @!has - '//*[@id="main"]/*[@class="item-info"]/*[@class="stab portability"]' ''
// @has - '//*[@id="method.unix_and_arm_only_function"]' 'fn unix_and_arm_only_function()'
// @has - '//*[@class="stab portability"]' 'This is supported on Unix and ARM only.'
// @has - '//*[@id="method.wasi_and_wasm32_only_function"]' 'fn wasi_and_wasm32_only_function()'
// @has - '//*[@class="stab portability"]' 'This is supported on WASI and WebAssembly only.'
pub struct Portable;
// @has doc_cfg/unix_only/index.html \
@ -37,6 +39,36 @@ pub mod unix_only {
}
}
// @has doc_cfg/wasi_only/index.html \
// '//*[@id="main"]/*[@class="item-info"]/*[@class="stab portability"]' \
// 'This is supported on WASI only.'
// @matches - '//*[@class="module-item"]//*[@class="stab portability"]' '\AWebAssembly\Z'
// @count - '//*[@class="stab portability"]' 2
#[doc(cfg(target_os = "wasi"))]
pub mod wasi_only {
// @has doc_cfg/wasi_only/fn.wasi_only_function.html \
// '//*[@id="main"]/*[@class="item-info"]/*[@class="stab portability"]' \
// 'This is supported on WASI only.'
// @count - '//*[@class="stab portability"]' 1
pub fn wasi_only_function() {
content::should::be::irrelevant();
}
// @has doc_cfg/wasi_only/trait.Wasm32Only.html \
// '//*[@id="main"]/*[@class="item-info"]/*[@class="stab portability"]' \
// 'This is supported on WASI and WebAssembly only.'
// @count - '//*[@class="stab portability"]' 1
#[doc(cfg(target_arch = "wasm32"))]
pub trait Wasm32Only {
fn wasi_and_wasm32_only_function();
}
#[doc(cfg(target_arch = "wasm32"))]
impl Wasm32Only for super::Portable {
fn wasi_and_wasm32_only_function() {}
}
}
// tagging a function with `#[target_feature]` creates a doc(cfg(target_feature)) node for that
// item as well