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Add tests and improve rendering of features on traits

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This commit is contained in:
Wim Looman 2020-11-02 19:17:33 +01:00
parent 98d66340d6
commit c34350ab4f
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GPG Key ID: C6F5748C6DD1607B
3 changed files with 174 additions and 32 deletions
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72
src/librustdoc/html/render/mod.rs
View File

@ -2251,6 +2251,22 @@ fn stability_tags(item: &clean::Item, parent: &clean::Item) -> String {
tags
}
fn portability(item: &clean::Item, parent: Option<&clean::Item>) -> Option<String> {
let cfg = match (&item.attrs.cfg, parent.and_then(|p| p.attrs.cfg.as_ref())) {
(Some(cfg), Some(parent_cfg)) => cfg.simplify_with(parent_cfg),
(cfg, _) => cfg.as_deref().cloned(),
};
debug!(
"Portability {:?} - {:?} = {:?}",
item.attrs.cfg,
parent.and_then(|p| p.attrs.cfg.as_ref()),
cfg
);
Some(format!("<div class=\"stab portability\">{}</div>", cfg?.render_long_html()))
}
/// Render the stability and/or deprecation warning that is displayed at the top of the item's
/// documentation.
fn short_stability(item: &clean::Item, cx: &Context, parent: Option<&clean::Item>) -> Vec<String> {
@ -2328,19 +2344,8 @@ fn short_stability(item: &clean::Item, cx: &Context, parent: Option<&clean::Item
stability.push(format!("<div class=\"stab unstable\">{}</div>", message));
}
let cfg = match (&item.attrs.cfg, parent.and_then(|p| p.attrs.cfg.as_ref())) {
(Some(cfg), Some(parent_cfg)) => cfg.simplify_with(parent_cfg),
(cfg, _) => cfg.as_deref().cloned(),
};
debug!(
"Portability {:?} - {:?} = {:?}",
item.attrs.cfg,
parent.and_then(|p| p.attrs.cfg.as_ref()),
cfg
);
if let Some(cfg) = cfg {
stability.push(format!("<div class=\"stab portability\">{}</div>", cfg.render_long_html()));
if let Some(portability) = portability(item, parent) {
stability.push(portability);
}
stability
@ -2431,6 +2436,7 @@ fn item_function(w: &mut Buffer, cx: &Context, it: &clean::Item, f: &clean::Func
fn render_implementor(
cx: &Context,
implementor: &Impl,
parent: &clean::Item,
w: &mut Buffer,
implementor_dups: &FxHashMap<&str, (DefId, bool)>,
aliases: &[String],
@ -2450,7 +2456,7 @@ fn render_implementor(
w,
cx,
implementor,
None,
parent,
AssocItemLink::Anchor(None),
RenderMode::Normal,
implementor.impl_item.stable_since().as_deref(),
@ -2480,7 +2486,7 @@ fn render_impls(
&mut buffer,
cx,
i,
Some(containing_item),
containing_item,
assoc_link,
RenderMode::Normal,
containing_item.stable_since().as_deref(),
@ -2727,7 +2733,7 @@ fn item_trait(w: &mut Buffer, cx: &Context, it: &clean::Item, t: &clean::Trait,
w,
cx,
&implementor,
None,
it,
assoc_link,
RenderMode::Normal,
implementor.impl_item.stable_since().as_deref(),
@ -2749,7 +2755,7 @@ fn item_trait(w: &mut Buffer, cx: &Context, it: &clean::Item, t: &clean::Trait,
"<div class=\"item-list\" id=\"implementors-list\">",
);
for implementor in concrete {
render_implementor(cx, implementor, w, &implementor_dups, &[], cache);
render_implementor(cx, implementor, it, w, &implementor_dups, &[], cache);
}
write_loading_content(w, "</div>");
@ -2764,6 +2770,7 @@ fn item_trait(w: &mut Buffer, cx: &Context, it: &clean::Item, t: &clean::Trait,
render_implementor(
cx,
implementor,
it,
w,
&implementor_dups,
&collect_paths_for_type(implementor.inner_impl().for_.clone()),
@ -3431,7 +3438,7 @@ fn render_assoc_items(
w,
cx,
i,
Some(containing_item),
containing_item,
AssocItemLink::Anchor(None),
render_mode,
containing_item.stable_since().as_deref(),
@ -3623,7 +3630,7 @@ fn render_impl(
w: &mut Buffer,
cx: &Context,
i: &Impl,
parent: Option<&clean::Item>,
parent: &clean::Item,
link: AssocItemLink<'_>,
render_mode: RenderMode,
outer_version: Option<&str>,
@ -3636,6 +3643,9 @@ fn render_impl(
aliases: &[String],
cache: &Cache,
) {
let traits = &cache.traits;
let trait_ = i.trait_did().map(|did| &traits[&did]);
if render_mode == RenderMode::Normal {
let id = cx.derive_id(match i.inner_impl().trait_ {
Some(ref t) => {
@ -3688,6 +3698,13 @@ fn render_impl(
);
}
write!(w, "</h3>");
if trait_.is_some() {
if let Some(portability) = portability(&i.impl_item, Some(parent)) {
write!(w, "<div class=\"stability\">{}</div>", portability);
}
}
if let Some(ref dox) = cx.shared.maybe_collapsed_doc_value(&i.impl_item) {
let mut ids = cx.id_map.borrow_mut();
write!(
@ -3710,7 +3727,7 @@ fn render_impl(
w: &mut Buffer,
cx: &Context,
item: &clean::Item,
parent: Option<&clean::Item>,
parent: &clean::Item,
link: AssocItemLink<'_>,
render_mode: RenderMode,
is_default_item: bool,
@ -3795,7 +3812,7 @@ fn render_impl(
if let Some(it) = t.items.iter().find(|i| i.name == item.name) {
// We need the stability of the item from the trait
// because impls can't have a stability.
document_stability(w, cx, it, is_hidden, parent);
document_stability(w, cx, it, is_hidden, Some(parent));
if item.doc_value().is_some() {
document_full(w, item, cx, "", is_hidden);
} else if show_def_docs {
@ -3805,13 +3822,13 @@ fn render_impl(
}
}
} else {
document_stability(w, cx, item, is_hidden, parent);
document_stability(w, cx, item, is_hidden, Some(parent));
if show_def_docs {
document_full(w, item, cx, "", is_hidden);
}
}
} else {
document_stability(w, cx, item, is_hidden, parent);
document_stability(w, cx, item, is_hidden, Some(parent));
if show_def_docs {
document_short(w, item, link, "", is_hidden);
}
@ -3819,16 +3836,13 @@ fn render_impl(
}
}
let traits = &cache.traits;
let trait_ = i.trait_did().map(|did| &traits[&did]);
write!(w, "<div class=\"impl-items\">");
for trait_item in &i.inner_impl().items {
doc_impl_item(
w,
cx,
trait_item,
parent,
if trait_.is_some() { &i.impl_item } else { parent },
link,
render_mode,
false,
@ -3844,7 +3858,7 @@ fn render_impl(
cx: &Context,
t: &clean::Trait,
i: &clean::Impl,
parent: Option<&clean::Item>,
parent: &clean::Item,
render_mode: RenderMode,
outer_version: Option<&str>,
show_def_docs: bool,
@ -3885,7 +3899,7 @@ fn render_impl(
cx,
t,
&i.inner_impl(),
parent,
&i.impl_item,
render_mode,
outer_version,
show_def_docs,

10
src/librustdoc/html/static/main.js
View File

@ -2439,12 +2439,13 @@ function defocusSearchBar() {
var func = function(e) {
var next = e.nextElementSibling;
if (next && hasClass(next, "stability")) {
next = next.nextElementSibling;
}
if (!next) {
return;
}
if (hasClass(next, "docblock") === true ||
(hasClass(next, "stability") === true &&
hasClass(next.nextElementSibling, "docblock") === true)) {
if (hasClass(next, "docblock")) {
var newToggle = toggle.cloneNode(true);
insertAfter(newToggle, e.childNodes[e.childNodes.length - 1]);
if (hideMethodDocs === true && hasClass(e, "method") === true) {
@ -2455,6 +2456,9 @@ function defocusSearchBar() {
var funcImpl = function(e) {
var next = e.nextElementSibling;
if (next && hasClass(next, "stability")) {
next = next.nextElementSibling;
}
if (next && hasClass(next, "docblock")) {
next = next.nextElementSibling;
}

124
src/test/rustdoc/doc-cfg-traits.rs Normal file
View File

@ -0,0 +1,124 @@
#![crate_name = "myrmecophagous"]
#![feature(doc_cfg, associated_type_defaults)]
// @has 'myrmecophagous/index.html'
// @count - '//*[@class="stab portability"]' 2
// @matches - '//*[@class="stab portability"]' '^jurisconsult$'
// @matches - '//*[@class="stab portability"]' '^quarter$'
pub trait Lea {}
// @has 'myrmecophagous/trait.Vortoscope.html'
// @count - '//*[@class="stab portability"]' 6
// @matches - '//*[@class="stab portability"]' 'crate feature zibib'
// @matches - '//*[@class="stab portability"]' 'crate feature poriform'
// @matches - '//*[@class="stab portability"]' 'crate feature ethopoeia'
// @matches - '//*[@class="stab portability"]' 'crate feature lea'
// @matches - '//*[@class="stab portability"]' 'crate feature unit'
// @matches - '//*[@class="stab portability"]' 'crate feature quarter'
pub trait Vortoscope {
type Batology = ();
#[doc(cfg(feature = "zibib"))]
type Zibib = ();
const YAHRZEIT: () = ();
#[doc(cfg(feature = "poriform"))]
const PORIFORM: () = ();
fn javanais() {}
#[doc(cfg(feature = "ethopoeia"))]
fn ethopoeia() {}
}
#[doc(cfg(feature = "lea"))]
impl<T: Lea> Vortoscope for T {}
#[doc(cfg(feature = "unit"))]
impl Vortoscope for () {}
// @has 'myrmecophagous/trait.Jurisconsult.html'
// @count - '//*[@class="stab portability"]' 7
// @matches - '//*[@class="stab portability"]' 'crate feature jurisconsult'
// @matches - '//*[@class="stab portability"]' 'crate feature lithomancy'
// @matches - '//*[@class="stab portability"]' 'crate feature boodle'
// @matches - '//*[@class="stab portability"]' 'crate feature mistetch'
// @matches - '//*[@class="stab portability"]' 'crate feature lea'
// @matches - '//*[@class="stab portability"]' 'crate feature unit'
// @matches - '//*[@class="stab portability"]' 'crate feature quarter'
#[doc(cfg(feature = "jurisconsult"))]
pub trait Jurisconsult {
type Urbanist = ();
#[doc(cfg(feature = "lithomancy"))]
type Lithomancy = ();
const UNIFILAR: () = ();
#[doc(cfg(feature = "boodle"))]
const BOODLE: () = ();
fn mersion() {}
#[doc(cfg(feature = "mistetch"))]
fn mistetch() {}
}
#[doc(cfg(feature = "lea"))]
impl<T: Lea> Jurisconsult for T {}
#[doc(cfg(feature = "unit"))]
impl Jurisconsult for () {}
// @has 'myrmecophagous/struct.Ultimogeniture.html'
// @count - '//*[@class="stab portability"]' 8
//
// @matches - '//*[@class="stab portability"]' 'crate feature zibib'
// @matches - '//*[@class="stab portability"]' 'crate feature poriform'
// @matches - '//*[@class="stab portability"]' 'crate feature ethopoeia'
//
// @matches - '//*[@class="stab portability"]' 'crate feature jurisconsult'
// @matches - '//*[@class="stab portability"]' 'crate feature lithomancy'
// @matches - '//*[@class="stab portability"]' 'crate feature boodle'
// @matches - '//*[@class="stab portability"]' 'crate feature mistetch'
//
// @matches - '//*[@class="stab portability"]' 'crate feature copy'
#[derive(Clone)]
pub struct Ultimogeniture;
impl Vortoscope for Ultimogeniture {}
#[doc(cfg(feature = "jurisconsult"))]
impl Jurisconsult for Ultimogeniture {}
#[doc(cfg(feature = "copy"))]
impl Copy for Ultimogeniture {}
// @has 'myrmecophagous/struct.Quarter.html'
// @count - '//*[@class="stab portability"]' 9
// @matches - '//*[@class="stab portability"]' 'crate feature quarter'
//
// @matches - '//*[@class="stab portability"]' 'crate feature zibib'
// @matches - '//*[@class="stab portability"]' 'crate feature poriform'
// @matches - '//*[@class="stab portability"]' 'crate feature ethopoeia'
//
// @matches - '//*[@class="stab portability"]' 'crate feature jurisconsult'
// @matches - '//*[@class="stab portability"]' 'crate feature lithomancy'
// @matches - '//*[@class="stab portability"]' 'crate feature boodle'
// @matches - '//*[@class="stab portability"]' 'crate feature mistetch'
//
// @matches - '//*[@class="stab portability"]' 'crate feature copy'
#[doc(cfg(feature = "quarter"))]
#[derive(Clone)]
pub struct Quarter;
#[doc(cfg(feature = "quarter"))]
impl Vortoscope for Quarter {}
#[doc(cfg(all(feature = "jurisconsult", feature = "quarter")))]
impl Jurisconsult for Quarter {}
#[doc(cfg(all(feature = "copy", feature = "quarter")))]
impl Copy for Quarter {}