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Add new tests and fix old ones

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This commit is contained in:
Guillaume Gomez 2018-07-21 13:19:17 +02:00
parent 3e96ac1178
commit 6b830ec23e
6 changed files with 96 additions and 44 deletions
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102
src/librustdoc/clean/auto_trait.rs
View File

@ -105,16 +105,19 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
let generics = self.cx.tcx.generics_of(def_id);
let ty = self.cx.tcx.type_of(def_id);
let mut traits = FxHashMap();
let mut traits = Vec::new();
if self.cx.crate_name != Some("core".to_string()) {
if let ty::TyAdt(_adt, _) = ty.sty {
let real_name = name.clone().map(|name| Ident::from_str(&name));
let param_env = self.cx.tcx.param_env(def_id);
for &trait_def_id in self.cx.all_traits.iter() {
if traits.get(&trait_def_id).is_some() ||
!self.cx.access_levels.borrow().is_doc_reachable(trait_def_id) {
if !self.cx.access_levels.borrow().is_doc_reachable(trait_def_id) ||
self.cx.generated_synthetics
.borrow_mut()
.get(&(def_id, trait_def_id))
.is_some() {
continue
}
let t_name = self.cx.tcx.item_name(trait_def_id).to_string();
self.cx.tcx.for_each_relevant_impl(trait_def_id, ty, |impl_def_id| {
self.cx.tcx.infer_ctxt().enter(|infcx| {
let generics = infcx.tcx.generics_of(impl_def_id);
@ -124,7 +127,7 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
::rustc::ty::TypeVariants::TyParam(_) => true,
_ => false,
} {
return;
return
}
let substs = infcx.fresh_substs_for_item(DUMMY_SP, def_id);
@ -147,38 +150,63 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
param_env,
trait_ref.to_predicate(),
));
if may_apply {
if traits.get(&trait_def_id).is_none() {
let trait_ = hir::TraitRef {
path: get_path_for_type(infcx.tcx, trait_def_id, hir::def::Def::Trait),
ref_id: ast::DUMMY_NODE_ID,
};
let provided_trait_methods = infcx.tcx.provided_trait_methods(impl_def_id)
.into_iter()
.map(|meth| meth.ident.to_string())
.collect();
traits.insert(trait_def_id, Item {
source: Span::empty(),
name: None,
attrs: Default::default(),
visibility: None,
def_id: self.next_def_id(impl_def_id.krate),
stability: None,
deprecation: None,
inner: ImplItem(Impl {
unsafety: hir::Unsafety::Normal,
generics: (generics,
&tcx.predicates_of(impl_def_id)).clean(self.cx),
provided_trait_methods,
trait_: Some(trait_.clean(self.cx)),
for_: ty.clean(self.cx),
items: infcx.tcx.associated_items(impl_def_id).collect::<Vec<_>>().clean(self.cx),
polarity: None,
synthetic: true,
}),
});
}
if !may_apply {
return
}
self.cx.generated_synthetics.borrow_mut()
.insert((def_id, trait_def_id));
let trait_ = hir::TraitRef {
path: get_path_for_type(infcx.tcx, trait_def_id, hir::def::Def::Trait),
ref_id: ast::DUMMY_NODE_ID,
};
let provided_trait_methods = infcx.tcx.provided_trait_methods(impl_def_id)
.into_iter()
.map(|meth| meth.ident.to_string())
.collect();
let path = get_path_for_type(self.cx.tcx, def_id, def_ctor);
let mut segments = path.segments.into_vec();
let last = segments.pop().unwrap();
segments.push(hir::PathSegment::new(
real_name.unwrap_or(last.ident),
self.generics_to_path_params(generics.clone()),
false,
));
let new_path = hir::Path {
span: path.span,
def: path.def,
segments: HirVec::from_vec(segments),
};
let ty = hir::Ty {
id: ast::DUMMY_NODE_ID,
node: hir::Ty_::TyPath(hir::QPath::Resolved(None, P(new_path))),
span: DUMMY_SP,
hir_id: hir::DUMMY_HIR_ID,
};
traits.push(Item {
source: Span::empty(),
name: None,
attrs: Default::default(),
visibility: None,
def_id: self.next_def_id(impl_def_id.krate),
stability: None,
deprecation: None,
inner: ImplItem(Impl {
unsafety: hir::Unsafety::Normal,
generics: (generics,
&tcx.predicates_of(impl_def_id)).clean(self.cx),
provided_trait_methods,
trait_: Some(trait_.clean(self.cx)),
for_: ty.clean(self.cx),
items: infcx.tcx.associated_items(impl_def_id).collect::<Vec<_>>().clean(self.cx),
polarity: None,
synthetic: true,
}),
});
debug!("{:?} => {}", trait_ref, may_apply);
}
});
@ -209,7 +237,7 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
def_ctor,
tcx.require_lang_item(lang_items::SyncTraitLangItem),
).into_iter())
.chain(traits.into_iter().map(|(_, v)| v))
.chain(traits.into_iter())
.collect();
debug!(

25
src/test/rustdoc/generic-impl.rs Normal file
View File

@ -0,0 +1,25 @@
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![crate_name = "foo"]
use std::fmt;
// @!has foo/struct.Bar.html 'impl<T> ToString for Bar'
pub struct Bar;
// @has foo/struct.Foo.html '//h3[@id="impl-ToString"]//code' 'impl<T> ToString for Foo'
pub struct Foo;
impl fmt::Display for Foo {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Foo")
}
}

1
src/test/rustdoc/manual_impl.rs
View File

@ -56,7 +56,6 @@ impl T for S1 {
// @!has - '//*[@class="docblock"]' 'Docs associated with the trait a_method definition.'
// @!has - '//*[@class="docblock"]' 'Docs associated with the trait c_method definition.'
// @has - '//*[@class="docblock"]' 'Docs associated with the trait b_method definition.'
// @!has - '//*[@class="docblock"]' 'Read more'
pub struct S2(usize);
/// Docs associated with the S2 trait implementation.

8
src/test/rustdoc/sidebar-items.rs
View File

@ -31,11 +31,11 @@ pub trait Foo {
// @has - '//*[@class="sidebar-title"][@href="#fields"]' 'Fields'
// @has - '//*[@class="sidebar-links"]/a[@href="#structfield.f"]' 'f'
// @has - '//*[@class="sidebar-links"]/a[@href="#structfield.u"]' 'u'
// @!has - '//*[@class="sidebar-links"]/a' 'w'
// @!has - '//*[@class="sidebar-links"]/a' 'waza'
pub struct Bar {
pub f: u32,
pub u: u32,
w: u32,
waza: u32,
}
// @has foo/enum.En.html
@ -51,9 +51,9 @@ pub enum En {
// @has - '//*[@class="sidebar-title"][@href="#fields"]' 'Fields'
// @has - '//*[@class="sidebar-links"]/a[@href="#structfield.f1"]' 'f1'
// @has - '//*[@class="sidebar-links"]/a[@href="#structfield.f2"]' 'f2'
// @!has - '//*[@class="sidebar-links"]/a' 'w'
// @!has - '//*[@class="sidebar-links"]/a' 'waza'
pub union MyUnion {
pub f1: u32,
pub f2: f32,
w: u32,
waza: u32,
}

2
src/test/rustdoc/synthetic_auto/basic.rs
View File

@ -12,7 +12,7 @@
// @has - '//code' 'impl<T> Send for Foo<T> where T: Send'
// @has - '//code' 'impl<T> Sync for Foo<T> where T: Sync'
// @count - '//*[@id="implementations-list"]/*[@class="impl"]' 0
// @count - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]' 2
// @count - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]' 11
pub struct Foo<T> {
field: T,
}

2
src/test/rustdoc/synthetic_auto/manual.rs
View File

@ -16,7 +16,7 @@
// 'impl<T> Send for Foo<T>'
//
// @count - '//*[@id="implementations-list"]/*[@class="impl"]' 1
// @count - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]' 1
// @count - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]' 10
pub struct Foo<T> {
field: T,
}