2481 lines
72 KiB
Rust
2481 lines
72 KiB
Rust
use base_db::SourceDatabase;
|
||
use hir::{
|
||
Adt, AsAssocItem, AssocItemContainer, Documentation, FieldSource, HasSource, HirDisplay,
|
||
Module, ModuleDef, ModuleSource, Semantics,
|
||
};
|
||
use ide_db::{
|
||
defs::{classify_name, classify_name_ref, Definition},
|
||
RootDatabase,
|
||
};
|
||
use itertools::Itertools;
|
||
use stdx::format_to;
|
||
use syntax::{ast, match_ast, AstNode, SyntaxKind::*, SyntaxToken, TokenAtOffset, T};
|
||
use test_utils::mark;
|
||
|
||
use crate::{
|
||
display::{macro_label, ShortLabel, ToNav, TryToNav},
|
||
markup::Markup,
|
||
runnables::runnable,
|
||
FileId, FilePosition, NavigationTarget, RangeInfo, Runnable,
|
||
};
|
||
|
||
#[derive(Clone, Debug, PartialEq, Eq)]
|
||
pub struct HoverConfig {
|
||
pub implementations: bool,
|
||
pub run: bool,
|
||
pub debug: bool,
|
||
pub goto_type_def: bool,
|
||
}
|
||
|
||
impl Default for HoverConfig {
|
||
fn default() -> Self {
|
||
Self { implementations: true, run: true, debug: true, goto_type_def: true }
|
||
}
|
||
}
|
||
|
||
impl HoverConfig {
|
||
pub const NO_ACTIONS: Self =
|
||
Self { implementations: false, run: false, debug: false, goto_type_def: false };
|
||
|
||
pub fn any(&self) -> bool {
|
||
self.implementations || self.runnable() || self.goto_type_def
|
||
}
|
||
|
||
pub fn none(&self) -> bool {
|
||
!self.any()
|
||
}
|
||
|
||
pub fn runnable(&self) -> bool {
|
||
self.run || self.debug
|
||
}
|
||
}
|
||
|
||
#[derive(Debug, Clone)]
|
||
pub enum HoverAction {
|
||
Runnable(Runnable),
|
||
Implementaion(FilePosition),
|
||
GoToType(Vec<HoverGotoTypeData>),
|
||
}
|
||
|
||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||
pub struct HoverGotoTypeData {
|
||
pub mod_path: String,
|
||
pub nav: NavigationTarget,
|
||
}
|
||
|
||
/// Contains the results when hovering over an item
|
||
#[derive(Debug, Default)]
|
||
pub struct HoverResult {
|
||
pub markup: Markup,
|
||
pub actions: Vec<HoverAction>,
|
||
}
|
||
|
||
// Feature: Hover
|
||
//
|
||
// Shows additional information, like type of an expression or documentation for definition when "focusing" code.
|
||
// Focusing is usually hovering with a mouse, but can also be triggered with a shortcut.
|
||
pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeInfo<HoverResult>> {
|
||
let sema = Semantics::new(db);
|
||
let file = sema.parse(position.file_id).syntax().clone();
|
||
let token = pick_best(file.token_at_offset(position.offset))?;
|
||
let token = sema.descend_into_macros(token);
|
||
|
||
let mut res = HoverResult::default();
|
||
|
||
let node = token.parent();
|
||
let definition = match_ast! {
|
||
match node {
|
||
ast::NameRef(name_ref) => classify_name_ref(&sema, &name_ref).map(|d| d.definition(sema.db)),
|
||
ast::Name(name) => classify_name(&sema, &name).map(|d| d.definition(sema.db)),
|
||
_ => None,
|
||
}
|
||
};
|
||
if let Some(definition) = definition {
|
||
if let Some(markup) = hover_for_definition(db, definition) {
|
||
res.markup = markup;
|
||
if let Some(action) = show_implementations_action(db, definition) {
|
||
res.actions.push(action);
|
||
}
|
||
|
||
if let Some(action) = runnable_action(&sema, definition, position.file_id) {
|
||
res.actions.push(action);
|
||
}
|
||
|
||
if let Some(action) = goto_type_action(db, definition) {
|
||
res.actions.push(action);
|
||
}
|
||
|
||
let range = sema.original_range(&node).range;
|
||
return Some(RangeInfo::new(range, res));
|
||
}
|
||
}
|
||
|
||
let node = token
|
||
.ancestors()
|
||
.find(|n| ast::Expr::cast(n.clone()).is_some() || ast::Pat::cast(n.clone()).is_some())?;
|
||
|
||
let ty = match_ast! {
|
||
match node {
|
||
ast::Expr(it) => sema.type_of_expr(&it)?,
|
||
ast::Pat(it) => sema.type_of_pat(&it)?,
|
||
// If this node is a MACRO_CALL, it means that `descend_into_macros` failed to resolve.
|
||
// (e.g expanding a builtin macro). So we give up here.
|
||
ast::MacroCall(_it) => return None,
|
||
_ => return None,
|
||
}
|
||
};
|
||
|
||
res.markup = Markup::fenced_block(&ty.display(db));
|
||
let range = sema.original_range(&node).range;
|
||
Some(RangeInfo::new(range, res))
|
||
}
|
||
|
||
fn show_implementations_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> {
|
||
fn to_action(nav_target: NavigationTarget) -> HoverAction {
|
||
HoverAction::Implementaion(FilePosition {
|
||
file_id: nav_target.file_id,
|
||
offset: nav_target.focus_or_full_range().start(),
|
||
})
|
||
}
|
||
|
||
match def {
|
||
Definition::ModuleDef(it) => match it {
|
||
ModuleDef::Adt(Adt::Struct(it)) => Some(to_action(it.to_nav(db))),
|
||
ModuleDef::Adt(Adt::Union(it)) => Some(to_action(it.to_nav(db))),
|
||
ModuleDef::Adt(Adt::Enum(it)) => Some(to_action(it.to_nav(db))),
|
||
ModuleDef::Trait(it) => Some(to_action(it.to_nav(db))),
|
||
_ => None,
|
||
},
|
||
_ => None,
|
||
}
|
||
}
|
||
|
||
fn runnable_action(
|
||
sema: &Semantics<RootDatabase>,
|
||
def: Definition,
|
||
file_id: FileId,
|
||
) -> Option<HoverAction> {
|
||
match def {
|
||
Definition::ModuleDef(it) => match it {
|
||
ModuleDef::Module(it) => match it.definition_source(sema.db).value {
|
||
ModuleSource::Module(it) => runnable(&sema, it.syntax().clone(), file_id)
|
||
.map(|it| HoverAction::Runnable(it)),
|
||
_ => None,
|
||
},
|
||
ModuleDef::Function(it) => {
|
||
let src = it.source(sema.db);
|
||
if src.file_id != file_id.into() {
|
||
mark::hit!(hover_macro_generated_struct_fn_doc_comment);
|
||
mark::hit!(hover_macro_generated_struct_fn_doc_attr);
|
||
|
||
return None;
|
||
}
|
||
|
||
runnable(&sema, src.value.syntax().clone(), file_id)
|
||
.map(|it| HoverAction::Runnable(it))
|
||
}
|
||
_ => None,
|
||
},
|
||
_ => None,
|
||
}
|
||
}
|
||
|
||
fn goto_type_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> {
|
||
match def {
|
||
Definition::Local(it) => {
|
||
let mut targets: Vec<ModuleDef> = Vec::new();
|
||
let mut push_new_def = |item: ModuleDef| {
|
||
if !targets.contains(&item) {
|
||
targets.push(item);
|
||
}
|
||
};
|
||
|
||
it.ty(db).walk(db, |t| {
|
||
if let Some(adt) = t.as_adt() {
|
||
push_new_def(adt.into());
|
||
} else if let Some(trait_) = t.as_dyn_trait() {
|
||
push_new_def(trait_.into());
|
||
} else if let Some(traits) = t.as_impl_traits(db) {
|
||
traits.into_iter().for_each(|it| push_new_def(it.into()));
|
||
} else if let Some(trait_) = t.as_associated_type_parent_trait(db) {
|
||
push_new_def(trait_.into());
|
||
}
|
||
});
|
||
|
||
let targets = targets
|
||
.into_iter()
|
||
.filter_map(|it| {
|
||
Some(HoverGotoTypeData {
|
||
mod_path: render_path(
|
||
db,
|
||
it.module(db)?,
|
||
it.name(db).map(|name| name.to_string()),
|
||
),
|
||
nav: it.try_to_nav(db)?,
|
||
})
|
||
})
|
||
.collect();
|
||
|
||
Some(HoverAction::GoToType(targets))
|
||
}
|
||
_ => None,
|
||
}
|
||
}
|
||
|
||
fn hover_markup(
|
||
docs: Option<String>,
|
||
desc: Option<String>,
|
||
mod_path: Option<String>,
|
||
) -> Option<Markup> {
|
||
match desc {
|
||
Some(desc) => {
|
||
let mut buf = String::new();
|
||
|
||
if let Some(mod_path) = mod_path {
|
||
if !mod_path.is_empty() {
|
||
format_to!(buf, "```rust\n{}\n```\n\n", mod_path);
|
||
}
|
||
}
|
||
format_to!(buf, "```rust\n{}\n```", desc);
|
||
|
||
if let Some(doc) = docs {
|
||
format_to!(buf, "\n___\n\n{}", doc);
|
||
}
|
||
Some(buf.into())
|
||
}
|
||
None => docs.map(Markup::from),
|
||
}
|
||
}
|
||
|
||
fn definition_owner_name(db: &RootDatabase, def: &Definition) -> Option<String> {
|
||
match def {
|
||
Definition::Field(f) => Some(f.parent_def(db).name(db)),
|
||
Definition::Local(l) => l.parent(db).name(db),
|
||
Definition::ModuleDef(md) => match md {
|
||
ModuleDef::Function(f) => match f.as_assoc_item(db)?.container(db) {
|
||
AssocItemContainer::Trait(t) => Some(t.name(db)),
|
||
AssocItemContainer::ImplDef(i) => i.target_ty(db).as_adt().map(|adt| adt.name(db)),
|
||
},
|
||
ModuleDef::EnumVariant(e) => Some(e.parent_enum(db).name(db)),
|
||
_ => None,
|
||
},
|
||
Definition::SelfType(i) => i.target_ty(db).as_adt().map(|adt| adt.name(db)),
|
||
_ => None,
|
||
}
|
||
.map(|name| name.to_string())
|
||
}
|
||
|
||
fn render_path(db: &RootDatabase, module: Module, item_name: Option<String>) -> String {
|
||
let crate_name =
|
||
db.crate_graph()[module.krate().into()].display_name.as_ref().map(ToString::to_string);
|
||
let module_path = module
|
||
.path_to_root(db)
|
||
.into_iter()
|
||
.rev()
|
||
.flat_map(|it| it.name(db).map(|name| name.to_string()));
|
||
crate_name.into_iter().chain(module_path).chain(item_name).join("::")
|
||
}
|
||
|
||
fn definition_mod_path(db: &RootDatabase, def: &Definition) -> Option<String> {
|
||
def.module(db).map(|module| render_path(db, module, definition_owner_name(db, def)))
|
||
}
|
||
|
||
fn hover_for_definition(db: &RootDatabase, def: Definition) -> Option<Markup> {
|
||
let mod_path = definition_mod_path(db, &def);
|
||
return match def {
|
||
Definition::Macro(it) => {
|
||
let src = it.source(db);
|
||
let docs = Documentation::from_ast(&src.value).map(Into::into);
|
||
hover_markup(docs, Some(macro_label(&src.value)), mod_path)
|
||
}
|
||
Definition::Field(it) => {
|
||
let src = it.source(db);
|
||
match src.value {
|
||
FieldSource::Named(it) => {
|
||
let docs = Documentation::from_ast(&it).map(Into::into);
|
||
hover_markup(docs, it.short_label(), mod_path)
|
||
}
|
||
_ => None,
|
||
}
|
||
}
|
||
Definition::ModuleDef(it) => match it {
|
||
ModuleDef::Module(it) => match it.definition_source(db).value {
|
||
ModuleSource::Module(it) => {
|
||
let docs = Documentation::from_ast(&it).map(Into::into);
|
||
hover_markup(docs, it.short_label(), mod_path)
|
||
}
|
||
ModuleSource::SourceFile(it) => {
|
||
let docs = Documentation::from_ast(&it).map(Into::into);
|
||
hover_markup(docs, it.short_label(), mod_path)
|
||
}
|
||
},
|
||
ModuleDef::Function(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Adt(Adt::Struct(it)) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Adt(Adt::Union(it)) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Adt(Adt::Enum(it)) => from_def_source(db, it, mod_path),
|
||
ModuleDef::EnumVariant(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Const(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Static(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Trait(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::TypeAlias(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::BuiltinType(it) => return Some(it.to_string().into()),
|
||
},
|
||
Definition::Local(it) => return Some(Markup::fenced_block(&it.ty(db).display(db))),
|
||
Definition::TypeParam(_) | Definition::SelfType(_) => {
|
||
// FIXME: Hover for generic param
|
||
None
|
||
}
|
||
};
|
||
|
||
fn from_def_source<A, D>(db: &RootDatabase, def: D, mod_path: Option<String>) -> Option<Markup>
|
||
where
|
||
D: HasSource<Ast = A>,
|
||
A: ast::DocCommentsOwner + ast::NameOwner + ShortLabel + ast::AttrsOwner,
|
||
{
|
||
let src = def.source(db);
|
||
let docs = Documentation::from_ast(&src.value).map(Into::into);
|
||
hover_markup(docs, src.value.short_label(), mod_path)
|
||
}
|
||
}
|
||
|
||
fn pick_best(tokens: TokenAtOffset<SyntaxToken>) -> Option<SyntaxToken> {
|
||
return tokens.max_by_key(priority);
|
||
fn priority(n: &SyntaxToken) -> usize {
|
||
match n.kind() {
|
||
IDENT | INT_NUMBER => 3,
|
||
T!['('] | T![')'] => 2,
|
||
kind if kind.is_trivia() => 0,
|
||
_ => 1,
|
||
}
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use base_db::FileLoader;
|
||
use expect::{expect, Expect};
|
||
|
||
use crate::mock_analysis::analysis_and_position;
|
||
|
||
use super::*;
|
||
|
||
fn check_hover_no_result(ra_fixture: &str) {
|
||
let (analysis, position) = analysis_and_position(ra_fixture);
|
||
assert!(analysis.hover(position).unwrap().is_none());
|
||
}
|
||
|
||
fn check(ra_fixture: &str, expect: Expect) {
|
||
let (analysis, position) = analysis_and_position(ra_fixture);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
|
||
let content = analysis.db.file_text(position.file_id);
|
||
let hovered_element = &content[hover.range];
|
||
|
||
let actual = format!("*{}*\n{}\n", hovered_element, hover.info.markup);
|
||
expect.assert_eq(&actual)
|
||
}
|
||
|
||
fn check_actions(ra_fixture: &str, expect: Expect) {
|
||
let (analysis, position) = analysis_and_position(ra_fixture);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
expect.assert_debug_eq(&hover.info.actions)
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_type_of_an_expression() {
|
||
check(
|
||
r#"
|
||
pub fn foo() -> u32 { 1 }
|
||
|
||
fn main() {
|
||
let foo_test = foo()<|>;
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*foo()*
|
||
```rust
|
||
u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_long_type_of_an_expression() {
|
||
check(
|
||
r#"
|
||
struct Scan<A, B, C> { a: A, b: B, c: C }
|
||
struct Iter<I> { inner: I }
|
||
enum Option<T> { Some(T), None }
|
||
|
||
struct OtherStruct<T> { i: T }
|
||
|
||
fn scan<A, B, C>(a: A, b: B, c: C) -> Iter<Scan<OtherStruct<A>, B, C>> {
|
||
Iter { inner: Scan { a, b, c } }
|
||
}
|
||
|
||
fn main() {
|
||
let num: i32 = 55;
|
||
let closure = |memo: &mut u32, value: &u32, _another: &mut u32| -> Option<u32> {
|
||
Option::Some(*memo + value)
|
||
};
|
||
let number = 5u32;
|
||
let mut iter<|> = scan(OtherStruct { i: num }, closure, number);
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*iter*
|
||
```rust
|
||
Iter<Scan<OtherStruct<OtherStruct<i32>>, |&mut u32, &u32, &mut u32| -> Option<u32>, u32>>
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_signature() {
|
||
// Single file with result
|
||
check(
|
||
r#"
|
||
pub fn foo() -> u32 { 1 }
|
||
|
||
fn main() { let foo_test = fo<|>o(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
pub fn foo() -> u32
|
||
```
|
||
"#]],
|
||
);
|
||
|
||
// Multiple candidates but results are ambiguous.
|
||
check(
|
||
r#"
|
||
//- /a.rs
|
||
pub fn foo() -> u32 { 1 }
|
||
|
||
//- /b.rs
|
||
pub fn foo() -> &str { "" }
|
||
|
||
//- /c.rs
|
||
pub fn foo(a: u32, b: u32) {}
|
||
|
||
//- /main.rs
|
||
mod a;
|
||
mod b;
|
||
mod c;
|
||
|
||
fn main() { let foo_test = fo<|>o(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
{unknown}
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_signature_with_type_params() {
|
||
check(
|
||
r#"
|
||
pub fn foo<'a, T: AsRef<str>>(b: &'a T) -> &'a str { }
|
||
|
||
fn main() { let foo_test = fo<|>o(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
pub fn foo<'a, T: AsRef<str>>(b: &'a T) -> &'a str
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_signature_on_fn_name() {
|
||
check(
|
||
r#"
|
||
pub fn foo<|>(a: u32, b: u32) -> u32 {}
|
||
|
||
fn main() { }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
pub fn foo(a: u32, b: u32) -> u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_doc() {
|
||
check(
|
||
r#"
|
||
/// # Example
|
||
/// ```
|
||
/// # use std::path::Path;
|
||
/// #
|
||
/// foo(Path::new("hello, world!"))
|
||
/// ```
|
||
pub fn foo<|>(_: &Path) {}
|
||
|
||
fn main() { }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
pub fn foo(_: &Path)
|
||
```
|
||
___
|
||
|
||
# Example
|
||
```
|
||
# use std::path::Path;
|
||
#
|
||
foo(Path::new("hello, world!"))
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_struct_field_info() {
|
||
// Hovering over the field when instantiating
|
||
check(
|
||
r#"
|
||
struct Foo { field_a: u32 }
|
||
|
||
fn main() {
|
||
let foo = Foo { field_a<|>: 0, };
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*field_a*
|
||
```rust
|
||
Foo
|
||
```
|
||
|
||
```rust
|
||
field_a: u32
|
||
```
|
||
"#]],
|
||
);
|
||
|
||
// Hovering over the field in the definition
|
||
check(
|
||
r#"
|
||
struct Foo { field_a<|>: u32 }
|
||
|
||
fn main() {
|
||
let foo = Foo { field_a: 0 };
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*field_a*
|
||
```rust
|
||
Foo
|
||
```
|
||
|
||
```rust
|
||
field_a: u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_const_static() {
|
||
check(
|
||
r#"const foo<|>: u32 = 123;"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
const foo: u32 = 123
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"static foo<|>: u32 = 456;"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
static foo: u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_default_generic_types() {
|
||
check(
|
||
r#"
|
||
struct Test<K, T = u8> { k: K, t: T }
|
||
|
||
fn main() {
|
||
let zz<|> = Test { t: 23u8, k: 33 };
|
||
}"#,
|
||
expect![[r#"
|
||
*zz*
|
||
```rust
|
||
Test<i32, u8>
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_some() {
|
||
check(
|
||
r#"
|
||
enum Option<T> { Some(T) }
|
||
use Option::Some;
|
||
|
||
fn main() { So<|>me(12); }
|
||
"#,
|
||
expect![[r#"
|
||
*Some*
|
||
```rust
|
||
Option
|
||
```
|
||
|
||
```rust
|
||
Some
|
||
```
|
||
"#]],
|
||
);
|
||
|
||
check(
|
||
r#"
|
||
enum Option<T> { Some(T) }
|
||
use Option::Some;
|
||
|
||
fn main() { let b<|>ar = Some(12); }
|
||
"#,
|
||
expect![[r#"
|
||
*bar*
|
||
```rust
|
||
Option<i32>
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_enum_variant() {
|
||
check(
|
||
r#"
|
||
enum Option<T> {
|
||
/// The None variant
|
||
Non<|>e
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*None*
|
||
```rust
|
||
Option
|
||
```
|
||
|
||
```rust
|
||
None
|
||
```
|
||
___
|
||
|
||
The None variant
|
||
"#]],
|
||
);
|
||
|
||
check(
|
||
r#"
|
||
enum Option<T> {
|
||
/// The Some variant
|
||
Some(T)
|
||
}
|
||
fn main() {
|
||
let s = Option::Som<|>e(12);
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*Some*
|
||
```rust
|
||
Option
|
||
```
|
||
|
||
```rust
|
||
Some
|
||
```
|
||
___
|
||
|
||
The Some variant
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_local_variable() {
|
||
check(
|
||
r#"fn func(foo: i32) { fo<|>o; }"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
i32
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_local_variable_pat() {
|
||
check(
|
||
r#"fn func(fo<|>o: i32) {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
i32
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn hover_local_var_edge() {
|
||
check(
|
||
r#"fn func(foo: i32) { if true { <|>foo; }; }"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
i32
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_param_edge() {
|
||
check(
|
||
r#"fn func(<|>foo: i32) {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
i32
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_param_with_multiple_traits() {
|
||
check(
|
||
r#"trait Deref {
|
||
type Target: ?Sized;
|
||
}
|
||
trait DerefMut {
|
||
type Target: ?Sized;
|
||
}
|
||
fn f(_x<|>: impl Deref<Target=u8> + DerefMut<Target=u8>) {}"#,
|
||
expect![[r#"
|
||
*_x*
|
||
```rust
|
||
impl Deref<Target = u8> + DerefMut<Target = u8>
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_infer_associated_method_result() {
|
||
check(
|
||
r#"
|
||
struct Thing { x: u32 }
|
||
|
||
impl Thing {
|
||
fn new() -> Thing { Thing { x: 0 } }
|
||
}
|
||
|
||
fn main() { let foo_<|>test = Thing::new(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo_test*
|
||
```rust
|
||
Thing
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_infer_associated_method_exact() {
|
||
check(
|
||
r#"
|
||
mod wrapper {
|
||
struct Thing { x: u32 }
|
||
|
||
impl Thing {
|
||
fn new() -> Thing { Thing { x: 0 } }
|
||
}
|
||
}
|
||
|
||
fn main() { let foo_test = wrapper::Thing::new<|>(); }
|
||
"#,
|
||
expect![[r#"
|
||
*new*
|
||
```rust
|
||
wrapper::Thing
|
||
```
|
||
|
||
```rust
|
||
fn new() -> Thing
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_infer_associated_const_in_pattern() {
|
||
check(
|
||
r#"
|
||
struct X;
|
||
impl X {
|
||
const C: u32 = 1;
|
||
}
|
||
|
||
fn main() {
|
||
match 1 {
|
||
X::C<|> => {},
|
||
2 => {},
|
||
_ => {}
|
||
};
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*C*
|
||
```rust
|
||
const C: u32 = 1
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_self() {
|
||
check(
|
||
r#"
|
||
struct Thing { x: u32 }
|
||
impl Thing {
|
||
fn new() -> Self { Self<|> { x: 0 } }
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*Self { x: 0 }*
|
||
```rust
|
||
Thing
|
||
```
|
||
"#]],
|
||
)
|
||
} /* FIXME: revive these tests
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
struct Thing { x: u32 }
|
||
impl Thing {
|
||
fn new() -> Self<|> {
|
||
Self { x: 0 }
|
||
}
|
||
}
|
||
",
|
||
);
|
||
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup(&hover.info.markup.as_str()), ("Thing"));
|
||
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
enum Thing { A }
|
||
impl Thing {
|
||
pub fn new() -> Self<|> {
|
||
Thing::A
|
||
}
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup(&hover.info.markup.as_str()), ("enum Thing"));
|
||
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
enum Thing { A }
|
||
impl Thing {
|
||
pub fn thing(a: Self<|>) {
|
||
}
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup(&hover.info.markup.as_str()), ("enum Thing"));
|
||
*/
|
||
|
||
#[test]
|
||
fn test_hover_shadowing_pat() {
|
||
check(
|
||
r#"
|
||
fn x() {}
|
||
|
||
fn y() {
|
||
let x = 0i32;
|
||
x<|>;
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*x*
|
||
```rust
|
||
i32
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_macro_invocation() {
|
||
check(
|
||
r#"
|
||
macro_rules! foo { () => {} }
|
||
|
||
fn f() { fo<|>o!(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
macro_rules! foo
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_tuple_field() {
|
||
check(
|
||
r#"struct TS(String, i32<|>);"#,
|
||
expect![[r#"
|
||
*i32*
|
||
i32
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_macro() {
|
||
check(
|
||
r#"
|
||
macro_rules! id { ($($tt:tt)*) => { $($tt)* } }
|
||
fn foo() {}
|
||
id! {
|
||
fn bar() { fo<|>o(); }
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
fn foo()
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_expr_in_macro() {
|
||
check(
|
||
r#"
|
||
macro_rules! id { ($($tt:tt)*) => { $($tt)* } }
|
||
fn foo(bar:u32) { let a = id!(ba<|>r); }
|
||
"#,
|
||
expect![[r#"
|
||
*bar*
|
||
```rust
|
||
u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_expr_in_macro_recursive() {
|
||
check(
|
||
r#"
|
||
macro_rules! id_deep { ($($tt:tt)*) => { $($tt)* } }
|
||
macro_rules! id { ($($tt:tt)*) => { id_deep!($($tt)*) } }
|
||
fn foo(bar:u32) { let a = id!(ba<|>r); }
|
||
"#,
|
||
expect![[r#"
|
||
*bar*
|
||
```rust
|
||
u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_func_in_macro_recursive() {
|
||
check(
|
||
r#"
|
||
macro_rules! id_deep { ($($tt:tt)*) => { $($tt)* } }
|
||
macro_rules! id { ($($tt:tt)*) => { id_deep!($($tt)*) } }
|
||
fn bar() -> u32 { 0 }
|
||
fn foo() { let a = id!([0u32, bar(<|>)] ); }
|
||
"#,
|
||
expect![[r#"
|
||
*bar()*
|
||
```rust
|
||
u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_literal_string_in_macro() {
|
||
check(
|
||
r#"
|
||
macro_rules! arr { ($($tt:tt)*) => { [$($tt)*)] } }
|
||
fn foo() {
|
||
let mastered_for_itunes = "";
|
||
let _ = arr!("Tr<|>acks", &mastered_for_itunes);
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*"Tracks"*
|
||
```rust
|
||
&str
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_assert_macro() {
|
||
check(
|
||
r#"
|
||
#[rustc_builtin_macro]
|
||
macro_rules! assert {}
|
||
|
||
fn bar() -> bool { true }
|
||
fn foo() {
|
||
assert!(ba<|>r());
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*bar*
|
||
```rust
|
||
fn bar() -> bool
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_literal_string_in_builtin_macro() {
|
||
check_hover_no_result(
|
||
r#"
|
||
#[rustc_builtin_macro]
|
||
macro_rules! format {}
|
||
|
||
fn foo() {
|
||
format!("hel<|>lo {}", 0);
|
||
}
|
||
"#,
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_non_ascii_space_doc() {
|
||
check(
|
||
"
|
||
/// <- `\u{3000}` here
|
||
fn foo() { }
|
||
|
||
fn bar() { fo<|>o(); }
|
||
",
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
fn foo()
|
||
```
|
||
___
|
||
|
||
<- ` ` here
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_function_show_qualifiers() {
|
||
check(
|
||
r#"async fn foo<|>() {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
async fn foo()
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"pub const unsafe fn foo<|>() {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
pub const unsafe fn foo()
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"pub(crate) async unsafe extern "C" fn foo<|>() {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
pub(crate) async unsafe extern "C" fn foo()
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_trait_show_qualifiers() {
|
||
check_actions(
|
||
r"unsafe trait foo<|>() {}",
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
offset: 13,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_extern_crate() {
|
||
check(
|
||
r#"
|
||
//- /main.rs
|
||
extern crate st<|>d;
|
||
//- /std/lib.rs
|
||
//! Standard library for this test
|
||
//!
|
||
//! Printed?
|
||
//! abc123
|
||
"#,
|
||
expect![[r#"
|
||
*std*
|
||
Standard library for this test
|
||
|
||
Printed?
|
||
abc123
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"
|
||
//- /main.rs
|
||
extern crate std as ab<|>c;
|
||
//- /std/lib.rs
|
||
//! Standard library for this test
|
||
//!
|
||
//! Printed?
|
||
//! abc123
|
||
"#,
|
||
expect![[r#"
|
||
*abc*
|
||
Standard library for this test
|
||
|
||
Printed?
|
||
abc123
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_mod_with_same_name_as_function() {
|
||
check(
|
||
r#"
|
||
use self::m<|>y::Bar;
|
||
mod my { pub struct Bar; }
|
||
|
||
fn my() {}
|
||
"#,
|
||
expect![[r#"
|
||
*my*
|
||
```rust
|
||
mod my
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_doc_comment() {
|
||
check(
|
||
r#"
|
||
/// bar docs
|
||
struct Bar;
|
||
|
||
fn foo() { let bar = Ba<|>r; }
|
||
"#,
|
||
expect![[r#"
|
||
*Bar*
|
||
```rust
|
||
struct Bar
|
||
```
|
||
___
|
||
|
||
bar docs
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_doc_attr() {
|
||
check(
|
||
r#"
|
||
#[doc = "bar docs"]
|
||
struct Bar;
|
||
|
||
fn foo() { let bar = Ba<|>r; }
|
||
"#,
|
||
expect![[r#"
|
||
*Bar*
|
||
```rust
|
||
struct Bar
|
||
```
|
||
___
|
||
|
||
bar docs
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_doc_attr_multiple_and_mixed() {
|
||
check(
|
||
r#"
|
||
/// bar docs 0
|
||
#[doc = "bar docs 1"]
|
||
#[doc = "bar docs 2"]
|
||
struct Bar;
|
||
|
||
fn foo() { let bar = Ba<|>r; }
|
||
"#,
|
||
expect![[r#"
|
||
*Bar*
|
||
```rust
|
||
struct Bar
|
||
```
|
||
___
|
||
|
||
bar docs 0
|
||
|
||
bar docs 1
|
||
|
||
bar docs 2
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_macro_generated_struct_fn_doc_comment() {
|
||
mark::check!(hover_macro_generated_struct_fn_doc_comment);
|
||
|
||
check(
|
||
r#"
|
||
macro_rules! bar {
|
||
() => {
|
||
struct Bar;
|
||
impl Bar {
|
||
/// Do the foo
|
||
fn foo(&self) {}
|
||
}
|
||
}
|
||
}
|
||
|
||
bar!();
|
||
|
||
fn foo() { let bar = Bar; bar.fo<|>o(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
Bar
|
||
```
|
||
|
||
```rust
|
||
fn foo(&self)
|
||
```
|
||
___
|
||
|
||
Do the foo
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_macro_generated_struct_fn_doc_attr() {
|
||
mark::check!(hover_macro_generated_struct_fn_doc_attr);
|
||
|
||
check(
|
||
r#"
|
||
macro_rules! bar {
|
||
() => {
|
||
struct Bar;
|
||
impl Bar {
|
||
#[doc = "Do the foo"]
|
||
fn foo(&self) {}
|
||
}
|
||
}
|
||
}
|
||
|
||
bar!();
|
||
|
||
fn foo() { let bar = Bar; bar.fo<|>o(); }
|
||
"#,
|
||
expect![[r#"
|
||
*foo*
|
||
```rust
|
||
Bar
|
||
```
|
||
|
||
```rust
|
||
fn foo(&self)
|
||
```
|
||
___
|
||
|
||
Do the foo
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_trait_has_impl_action() {
|
||
check_actions(
|
||
r#"trait foo<|>() {}"#,
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
offset: 6,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_has_impl_action() {
|
||
check_actions(
|
||
r"struct foo<|>() {}",
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
offset: 7,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_union_has_impl_action() {
|
||
check_actions(
|
||
r#"union foo<|>() {}"#,
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
offset: 6,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_enum_has_impl_action() {
|
||
check_actions(
|
||
r"enum foo<|>() { A, B }",
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
offset: 5,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_test_has_action() {
|
||
check_actions(
|
||
r#"
|
||
#[test]
|
||
fn foo_<|>test() {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
Runnable(
|
||
Runnable {
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..24,
|
||
focus_range: Some(
|
||
11..19,
|
||
),
|
||
name: "foo_test",
|
||
kind: FN,
|
||
container_name: None,
|
||
description: None,
|
||
docs: None,
|
||
},
|
||
kind: Test {
|
||
test_id: Path(
|
||
"foo_test",
|
||
),
|
||
attr: TestAttr {
|
||
ignore: false,
|
||
},
|
||
},
|
||
cfg_exprs: [],
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_test_mod_has_action() {
|
||
check_actions(
|
||
r#"
|
||
mod tests<|> {
|
||
#[test]
|
||
fn foo_test() {}
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
Runnable(
|
||
Runnable {
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..46,
|
||
focus_range: Some(
|
||
4..9,
|
||
),
|
||
name: "tests",
|
||
kind: MODULE,
|
||
container_name: None,
|
||
description: None,
|
||
docs: None,
|
||
},
|
||
kind: TestMod {
|
||
path: "tests",
|
||
},
|
||
cfg_exprs: [],
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
struct S{ f1: u32 }
|
||
|
||
fn main() { let s<|>t = S{ f1:0 }; }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..19,
|
||
focus_range: Some(
|
||
7..8,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_struct_has_goto_type_actions() {
|
||
check_actions(
|
||
r#"
|
||
struct Arg(u32);
|
||
struct S<T>{ f1: T }
|
||
|
||
fn main() { let s<|>t = S{ f1:Arg(0) }; }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 17..37,
|
||
focus_range: Some(
|
||
24..25,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Arg",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..16,
|
||
focus_range: Some(
|
||
7..10,
|
||
),
|
||
name: "Arg",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct Arg",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_struct_has_flattened_goto_type_actions() {
|
||
check_actions(
|
||
r#"
|
||
struct Arg(u32);
|
||
struct S<T>{ f1: T }
|
||
|
||
fn main() { let s<|>t = S{ f1: S{ f1: Arg(0) } }; }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 17..37,
|
||
focus_range: Some(
|
||
24..25,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Arg",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..16,
|
||
focus_range: Some(
|
||
7..10,
|
||
),
|
||
name: "Arg",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct Arg",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_tuple_has_goto_type_actions() {
|
||
check_actions(
|
||
r#"
|
||
struct A(u32);
|
||
struct B(u32);
|
||
mod M {
|
||
pub struct C(u32);
|
||
}
|
||
|
||
fn main() { let s<|>t = (A(1), B(2), M::C(3) ); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "A",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..14,
|
||
focus_range: Some(
|
||
7..8,
|
||
),
|
||
name: "A",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct A",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 15..29,
|
||
focus_range: Some(
|
||
22..23,
|
||
),
|
||
name: "B",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct B",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "M::C",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 42..60,
|
||
focus_range: Some(
|
||
53..54,
|
||
),
|
||
name: "C",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"pub struct C",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_return_impl_trait_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {}
|
||
fn foo() -> impl Foo {}
|
||
|
||
fn main() { let s<|>t = foo(); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_return_impl_trait_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo<T> {}
|
||
struct S;
|
||
fn foo() -> impl Foo<S> {}
|
||
|
||
fn main() { let s<|>t = foo(); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..25,
|
||
focus_range: Some(
|
||
23..24,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_return_impl_traits_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {}
|
||
trait Bar {}
|
||
fn foo() -> impl Foo + Bar {}
|
||
|
||
fn main() { let s<|>t = foo(); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 13..25,
|
||
focus_range: Some(
|
||
19..22,
|
||
),
|
||
name: "Bar",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Bar",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_return_impl_traits_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo<T> {}
|
||
trait Bar<T> {}
|
||
struct S1 {}
|
||
struct S2 {}
|
||
|
||
fn foo() -> impl Foo<S1> + Bar<S2> {}
|
||
|
||
fn main() { let s<|>t = foo(); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..31,
|
||
focus_range: Some(
|
||
22..25,
|
||
),
|
||
name: "Bar",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Bar",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S1",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 32..44,
|
||
focus_range: Some(
|
||
39..41,
|
||
),
|
||
name: "S1",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S1",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S2",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 45..57,
|
||
focus_range: Some(
|
||
52..54,
|
||
),
|
||
name: "S2",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S2",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_arg_impl_trait_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {}
|
||
fn foo(ar<|>g: &impl Foo) {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_arg_impl_traits_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {}
|
||
trait Bar<T> {}
|
||
struct S{}
|
||
|
||
fn foo(ar<|>g: &impl Foo + Bar<S>) {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 13..28,
|
||
focus_range: Some(
|
||
19..22,
|
||
),
|
||
name: "Bar",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Bar",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 29..39,
|
||
focus_range: Some(
|
||
36..37,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_arg_generic_impl_trait_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo<T> {}
|
||
struct S {}
|
||
fn foo(ar<|>g: &impl Foo<S>) {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..27,
|
||
focus_range: Some(
|
||
23..24,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_dyn_return_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {}
|
||
struct S;
|
||
impl Foo for S {}
|
||
|
||
struct B<T>{}
|
||
fn foo() -> B<dyn Foo> {}
|
||
|
||
fn main() { let s<|>t = foo(); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 42..55,
|
||
focus_range: Some(
|
||
49..50,
|
||
),
|
||
name: "B",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct B",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_dyn_arg_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {}
|
||
fn foo(ar<|>g: &dyn Foo) {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_dyn_arg_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo<T> {}
|
||
struct S {}
|
||
fn foo(ar<|>g: &dyn Foo<S>) {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..27,
|
||
focus_range: Some(
|
||
23..24,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_goto_type_action_links_order() {
|
||
check_actions(
|
||
r#"
|
||
trait ImplTrait<T> {}
|
||
trait DynTrait<T> {}
|
||
struct B<T> {}
|
||
struct S {}
|
||
|
||
fn foo(a<|>rg: &impl ImplTrait<B<dyn DynTrait<B<S>>>>) {}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "ImplTrait",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..21,
|
||
focus_range: Some(
|
||
6..15,
|
||
),
|
||
name: "ImplTrait",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait ImplTrait",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 43..57,
|
||
focus_range: Some(
|
||
50..51,
|
||
),
|
||
name: "B",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct B",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "DynTrait",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 22..42,
|
||
focus_range: Some(
|
||
28..36,
|
||
),
|
||
name: "DynTrait",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait DynTrait",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 58..69,
|
||
focus_range: Some(
|
||
65..66,
|
||
),
|
||
name: "S",
|
||
kind: STRUCT,
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_associated_type_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
trait Foo {
|
||
type Item;
|
||
fn get(self) -> Self::Item {}
|
||
}
|
||
|
||
struct Bar{}
|
||
struct S{}
|
||
|
||
impl Foo for S { type Item = Bar; }
|
||
|
||
fn test() -> impl Foo { S {} }
|
||
|
||
fn main() { let s<|>t = test().get(); }
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..62,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
}
|