mirror of
https://github.com/rust-lang/rust-analyzer
synced 2024-12-30 23:09:11 +00:00
3354 lines
88 KiB
Rust
3354 lines
88 KiB
Rust
use hir::{
|
||
Adt, AsAssocItem, AssocItemContainer, Documentation, FieldSource, HasSource, HirDisplay,
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Module, ModuleDef, ModuleSource, Semantics,
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};
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use ide_db::base_db::SourceDatabase;
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use ide_db::{
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defs::{Definition, NameClass, NameRefClass},
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RootDatabase,
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};
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use itertools::Itertools;
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use stdx::format_to;
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use syntax::{ast, match_ast, AstNode, SyntaxKind::*, SyntaxToken, TokenAtOffset, T};
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use test_utils::mark;
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use crate::{
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display::{macro_label, ShortLabel, ToNav, TryToNav},
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doc_links::{remove_links, rewrite_links},
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markdown_remove::remove_markdown,
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markup::Markup,
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runnables::runnable,
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FileId, FilePosition, NavigationTarget, RangeInfo, Runnable,
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};
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#[derive(Clone, Debug, PartialEq, Eq)]
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pub struct HoverConfig {
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pub implementations: bool,
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pub run: bool,
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pub debug: bool,
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pub goto_type_def: bool,
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pub links_in_hover: bool,
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pub markdown: bool,
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}
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impl Default for HoverConfig {
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fn default() -> Self {
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Self {
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implementations: true,
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run: true,
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debug: true,
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goto_type_def: true,
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links_in_hover: true,
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markdown: true,
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}
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}
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}
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impl HoverConfig {
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pub const NO_ACTIONS: Self = Self {
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implementations: false,
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run: false,
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debug: false,
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goto_type_def: false,
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links_in_hover: true,
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markdown: true,
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};
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pub fn any(&self) -> bool {
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self.implementations || self.runnable() || self.goto_type_def
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}
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pub fn none(&self) -> bool {
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!self.any()
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}
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pub fn runnable(&self) -> bool {
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self.run || self.debug
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}
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}
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#[derive(Debug, Clone)]
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pub enum HoverAction {
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Runnable(Runnable),
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Implementaion(FilePosition),
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GoToType(Vec<HoverGotoTypeData>),
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub struct HoverGotoTypeData {
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pub mod_path: String,
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pub nav: NavigationTarget,
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}
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/// Contains the results when hovering over an item
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#[derive(Debug, Default)]
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pub struct HoverResult {
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pub markup: Markup,
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pub actions: Vec<HoverAction>,
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}
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// Feature: Hover
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//
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// Shows additional information, like type of an expression or documentation for definition when "focusing" code.
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// Focusing is usually hovering with a mouse, but can also be triggered with a shortcut.
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pub(crate) fn hover(
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db: &RootDatabase,
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position: FilePosition,
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links_in_hover: bool,
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markdown: bool,
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) -> Option<RangeInfo<HoverResult>> {
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let sema = Semantics::new(db);
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let file = sema.parse(position.file_id).syntax().clone();
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let token = pick_best(file.token_at_offset(position.offset))?;
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let token = sema.descend_into_macros(token);
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let mut res = HoverResult::default();
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let node = token.parent();
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let definition = match_ast! {
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match node {
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ast::Name(name) => NameClass::classify(&sema, &name).and_then(|d| d.defined(sema.db)),
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ast::NameRef(name_ref) => NameRefClass::classify(&sema, &name_ref).map(|d| d.referenced(sema.db)),
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_ => None,
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}
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};
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if let Some(definition) = definition {
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if let Some(markup) = hover_for_definition(db, definition) {
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let markup = if !markdown {
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remove_markdown(&markup.as_str())
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} else if links_in_hover {
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rewrite_links(db, &markup.as_str(), &definition)
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} else {
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remove_links(&markup.as_str())
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};
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res.markup = Markup::from(markup);
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if let Some(action) = show_implementations_action(db, definition) {
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res.actions.push(action);
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}
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if let Some(action) = runnable_action(&sema, definition, position.file_id) {
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res.actions.push(action);
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}
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if let Some(action) = goto_type_action(db, definition) {
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res.actions.push(action);
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}
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let range = sema.original_range(&node).range;
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return Some(RangeInfo::new(range, res));
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}
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}
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let node = token.ancestors().find(|n| {
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ast::Expr::can_cast(n.kind())
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|| ast::Pat::can_cast(n.kind())
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|| ast::SelfParam::can_cast(n.kind())
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})?;
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let ty = match_ast! {
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match node {
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ast::Expr(it) => sema.type_of_expr(&it)?,
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ast::Pat(it) => sema.type_of_pat(&it)?,
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ast::SelfParam(self_param) => sema.type_of_self(&self_param)?,
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// If this node is a MACRO_CALL, it means that `descend_into_macros` failed to resolve.
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// (e.g expanding a builtin macro). So we give up here.
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ast::MacroCall(_it) => return None,
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_ => return None,
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}
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};
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res.markup = if markdown {
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Markup::fenced_block(&ty.display(db))
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} else {
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ty.display(db).to_string().into()
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};
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let range = sema.original_range(&node).range;
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Some(RangeInfo::new(range, res))
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}
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fn show_implementations_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> {
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fn to_action(nav_target: NavigationTarget) -> HoverAction {
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HoverAction::Implementaion(FilePosition {
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file_id: nav_target.file_id,
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offset: nav_target.focus_or_full_range().start(),
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})
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}
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match def {
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Definition::ModuleDef(it) => match it {
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ModuleDef::Adt(Adt::Struct(it)) => Some(to_action(it.to_nav(db))),
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ModuleDef::Adt(Adt::Union(it)) => Some(to_action(it.to_nav(db))),
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ModuleDef::Adt(Adt::Enum(it)) => Some(to_action(it.to_nav(db))),
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ModuleDef::Trait(it) => Some(to_action(it.to_nav(db))),
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_ => None,
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},
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_ => None,
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}
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}
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fn runnable_action(
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sema: &Semantics<RootDatabase>,
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def: Definition,
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file_id: FileId,
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) -> Option<HoverAction> {
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match def {
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Definition::ModuleDef(it) => match it {
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ModuleDef::Module(it) => match it.definition_source(sema.db).value {
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ModuleSource::Module(it) => runnable(&sema, it.syntax().clone(), file_id)
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.map(|it| HoverAction::Runnable(it)),
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_ => None,
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},
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ModuleDef::Function(it) => {
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let src = it.source(sema.db);
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if src.file_id != file_id.into() {
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mark::hit!(hover_macro_generated_struct_fn_doc_comment);
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mark::hit!(hover_macro_generated_struct_fn_doc_attr);
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return None;
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}
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runnable(&sema, src.value.syntax().clone(), file_id)
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.map(|it| HoverAction::Runnable(it))
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}
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_ => None,
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},
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_ => None,
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}
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}
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fn goto_type_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> {
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match def {
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Definition::Local(it) => {
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let mut targets: Vec<ModuleDef> = Vec::new();
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let mut push_new_def = |item: ModuleDef| {
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if !targets.contains(&item) {
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targets.push(item);
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}
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};
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it.ty(db).walk(db, |t| {
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if let Some(adt) = t.as_adt() {
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push_new_def(adt.into());
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} else if let Some(trait_) = t.as_dyn_trait() {
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push_new_def(trait_.into());
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} else if let Some(traits) = t.as_impl_traits(db) {
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traits.into_iter().for_each(|it| push_new_def(it.into()));
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} else if let Some(trait_) = t.as_associated_type_parent_trait(db) {
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push_new_def(trait_.into());
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}
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});
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let targets = targets
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.into_iter()
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.filter_map(|it| {
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Some(HoverGotoTypeData {
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mod_path: render_path(
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db,
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it.module(db)?,
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it.name(db).map(|name| name.to_string()),
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),
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nav: it.try_to_nav(db)?,
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})
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})
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.collect();
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Some(HoverAction::GoToType(targets))
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}
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_ => None,
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}
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}
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fn hover_markup(
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docs: Option<String>,
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desc: Option<String>,
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mod_path: Option<String>,
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) -> Option<Markup> {
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match desc {
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Some(desc) => {
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let mut buf = String::new();
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if let Some(mod_path) = mod_path {
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if !mod_path.is_empty() {
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format_to!(buf, "```rust\n{}\n```\n\n", mod_path);
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}
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}
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format_to!(buf, "```rust\n{}\n```", desc);
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if let Some(doc) = docs {
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format_to!(buf, "\n___\n\n{}", doc);
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}
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Some(buf.into())
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}
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None => docs.map(Markup::from),
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}
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}
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fn definition_owner_name(db: &RootDatabase, def: &Definition) -> Option<String> {
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match def {
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Definition::Field(f) => Some(f.parent_def(db).name(db)),
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Definition::Local(l) => l.parent(db).name(db),
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Definition::ModuleDef(md) => match md {
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ModuleDef::Function(f) => match f.as_assoc_item(db)?.container(db) {
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AssocItemContainer::Trait(t) => Some(t.name(db)),
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AssocItemContainer::ImplDef(i) => i.target_ty(db).as_adt().map(|adt| adt.name(db)),
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},
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ModuleDef::EnumVariant(e) => Some(e.parent_enum(db).name(db)),
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_ => None,
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},
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_ => None,
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}
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.map(|name| name.to_string())
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}
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fn render_path(db: &RootDatabase, module: Module, item_name: Option<String>) -> String {
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let crate_name =
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db.crate_graph()[module.krate().into()].display_name.as_ref().map(|it| it.to_string());
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let module_path = module
|
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.path_to_root(db)
|
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.into_iter()
|
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.rev()
|
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.flat_map(|it| it.name(db).map(|name| name.to_string()));
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crate_name.into_iter().chain(module_path).chain(item_name).join("::")
|
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}
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fn definition_mod_path(db: &RootDatabase, def: &Definition) -> Option<String> {
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def.module(db).map(|module| render_path(db, module, definition_owner_name(db, def)))
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}
|
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|
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fn hover_for_definition(db: &RootDatabase, def: Definition) -> Option<Markup> {
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let mod_path = definition_mod_path(db, &def);
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return match def {
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Definition::Macro(it) => {
|
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let src = it.source(db);
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let docs = Documentation::from_ast(&src.value).map(Into::into);
|
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hover_markup(docs, Some(macro_label(&src.value)), mod_path)
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}
|
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Definition::Field(it) => {
|
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let src = it.source(db);
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match src.value {
|
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FieldSource::Named(it) => {
|
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let docs = Documentation::from_ast(&it).map(Into::into);
|
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hover_markup(docs, it.short_label(), mod_path)
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}
|
||
_ => 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)
|
||
}
|
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},
|
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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::SelfType(impl_def) => {
|
||
impl_def.target_ty(db).as_adt().and_then(|adt| match adt {
|
||
Adt::Struct(it) => from_def_source(db, it, mod_path),
|
||
Adt::Union(it) => from_def_source(db, it, mod_path),
|
||
Adt::Enum(it) => from_def_source(db, it, mod_path),
|
||
})
|
||
}
|
||
Definition::TypeParam(_) => {
|
||
// 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 expect_test::{expect, Expect};
|
||
use ide_db::base_db::FileLoader;
|
||
|
||
use crate::fixture;
|
||
|
||
use super::*;
|
||
|
||
fn check_hover_no_result(ra_fixture: &str) {
|
||
let (analysis, position) = fixture::position(ra_fixture);
|
||
assert!(analysis.hover(position, true, true).unwrap().is_none());
|
||
}
|
||
|
||
fn check(ra_fixture: &str, expect: Expect) {
|
||
let (analysis, position) = fixture::position(ra_fixture);
|
||
let hover = analysis.hover(position, true, true).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_hover_no_links(ra_fixture: &str, expect: Expect) {
|
||
let (analysis, position) = fixture::position(ra_fixture);
|
||
let hover = analysis.hover(position, false, true).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_hover_no_markdown(ra_fixture: &str, expect: Expect) {
|
||
let (analysis, position) = fixture::position(ra_fixture);
|
||
let hover = analysis.hover(position, true, false).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) = fixture::position(ra_fixture);
|
||
let hover = analysis.hover(position, true, true).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_remove_markdown_if_configured() {
|
||
check_hover_no_markdown(
|
||
r#"
|
||
pub fn foo() -> u32 { 1 }
|
||
|
||
fn main() {
|
||
let foo_test = foo()<|>;
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*foo()*
|
||
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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```rust
|
||
pub fn foo(_: &Path)
|
||
```
|
||
|
||
---
|
||
|
||
# Example
|
||
|
||
```
|
||
# use std::path::Path;
|
||
#
|
||
foo(Path::new("hello, world!"))
|
||
```
|
||
"##]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_doc_attr_raw_string() {
|
||
check(
|
||
r##"
|
||
#[doc = r#"Raw string doc attr"#]
|
||
pub fn foo<|>(_: &Path) {}
|
||
|
||
fn main() { }
|
||
"##,
|
||
expect![[r##"
|
||
*foo*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
pub fn foo(_: &Path)
|
||
```
|
||
|
||
---
|
||
|
||
Raw string doc attr
|
||
"##]],
|
||
);
|
||
}
|
||
|
||
#[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
|
||
test::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
|
||
test::Foo
|
||
```
|
||
|
||
```rust
|
||
field_a: u32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_const_static() {
|
||
check(
|
||
r#"const foo<|>: u32 = 123;"#,
|
||
expect![[r#"
|
||
*foo*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
const foo: u32 = 123
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"static foo<|>: u32 = 456;"#,
|
||
expect![[r#"
|
||
*foo*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```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
|
||
test::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
|
||
test::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
|
||
test::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
|
||
test::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
|
||
test
|
||
```
|
||
|
||
```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*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
struct Thing
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"
|
||
struct Thing { x: u32 }
|
||
impl Thing {
|
||
fn new() -> Self<|> { Self { x: 0 } }
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*Self*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
struct Thing
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"
|
||
enum Thing { A }
|
||
impl Thing {
|
||
pub fn new() -> Self<|> { Thing::A }
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*Self*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
enum Thing
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"
|
||
enum Thing { A }
|
||
impl Thing {
|
||
pub fn thing(a: Self<|>) {}
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*Self*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```rust
|
||
fn foo()
|
||
```
|
||
|
||
---
|
||
|
||
\<- ` ` here
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_function_show_qualifiers() {
|
||
check(
|
||
r#"async fn foo<|>() {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
async fn foo()
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"pub const unsafe fn foo<|>() {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```rust
|
||
pub const unsafe fn foo()
|
||
```
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"pub(crate) async unsafe extern "C" fn foo<|>() {}"#,
|
||
expect![[r#"
|
||
*foo*
|
||
|
||
```rust
|
||
test
|
||
```
|
||
|
||
```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(
|
||
0,
|
||
),
|
||
offset: 13,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_extern_crate() {
|
||
check(
|
||
r#"
|
||
//- /main.rs crate:main deps:std
|
||
extern crate st<|>d;
|
||
//- /std/lib.rs crate:std
|
||
//! Standard library for this test
|
||
//!
|
||
//! Printed?
|
||
//! abc123
|
||
"#,
|
||
expect![[r#"
|
||
*std*
|
||
Standard library for this test
|
||
|
||
Printed?
|
||
abc123
|
||
"#]],
|
||
);
|
||
check(
|
||
r#"
|
||
//- /main.rs crate:main deps:std
|
||
extern crate std as ab<|>c;
|
||
//- /std/lib.rs crate:std
|
||
//! 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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```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
|
||
test
|
||
```
|
||
|
||
```rust
|
||
struct Bar
|
||
```
|
||
|
||
---
|
||
|
||
bar docs 0
|
||
|
||
bar docs 1
|
||
|
||
bar docs 2
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_path_link() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [Foo](struct.Foo.html)
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_path_link_no_strip() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [struct Foo](struct.Foo.html)
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[ignore = "path based links currently only support documentation on ModuleDef items"]
|
||
#[test]
|
||
fn test_hover_path_link_field() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
pub struct Bar {
|
||
/// [Foo](struct.Foo.html)
|
||
fie<|>ld: ()
|
||
}
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link() {
|
||
check(
|
||
r#"
|
||
pub mod foo {
|
||
pub struct Foo;
|
||
}
|
||
/// [Foo](foo::Foo)
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_html_root_url() {
|
||
check(
|
||
r#"
|
||
#![doc(arbitrary_attribute = "test", html_root_url = "https:/example.com", arbitrary_attribute2)]
|
||
|
||
pub mod foo {
|
||
pub struct Foo;
|
||
}
|
||
/// [Foo](foo::Foo)
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_shortlink() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [Foo]
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_shortlink_code() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [`Foo`]
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_namespaced() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
fn Foo() {}
|
||
/// [Foo()]
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_shortlink_namspaced_code() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [`struct Foo`]
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_shortlink_namspaced_code_with_at() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [`struct@Foo`]
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_intra_link_reference() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [my Foo][foo]
|
||
///
|
||
/// [foo]: Foo
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_external_url() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [external](https://www.google.com)
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
// Check that we don't rewrite links which we can't identify
|
||
#[test]
|
||
fn test_hover_unknown_target() {
|
||
check(
|
||
r#"
|
||
pub struct Foo;
|
||
/// [baz](Baz)
|
||
pub struct B<|>ar
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_doc_links_enum_variant() {
|
||
check(
|
||
r#"
|
||
enum E {
|
||
/// [E]
|
||
V<|> { field: i32 }
|
||
}
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_doc_links_field() {
|
||
check(
|
||
r#"
|
||
struct S {
|
||
/// [`S`]
|
||
field<|>: i32
|
||
}
|
||
"#,
|
||
expect
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_no_links() {
|
||
check_hover_no_links(
|
||
r#"
|
||
/// Test cases:
|
||
/// case 1. bare URL: https://www.example.com/
|
||
/// case 2. inline URL with title: [example](https://www.example.com/)
|
||
/// case 3. code refrence: [`Result`]
|
||
/// case 4. code refrence but miss footnote: [`String`]
|
||
/// case 5. autolink: <http://www.example.com/>
|
||
/// case 6. email address: <test@example.com>
|
||
/// case 7. refrence: [example][example]
|
||
/// case 8. collapsed link: [example][]
|
||
/// case 9. shortcut link: [example]
|
||
/// case 10. inline without URL: [example]()
|
||
/// case 11. refrence: [foo][foo]
|
||
/// case 12. refrence: [foo][bar]
|
||
/// case 13. collapsed link: [foo][]
|
||
/// case 14. shortcut link: [foo]
|
||
/// case 15. inline without URL: [foo]()
|
||
/// case 16. just escaped text: \[foo]
|
||
/// case 17. inline link: [Foo](foo::Foo)
|
||
///
|
||
/// [`Result`]: ../../std/result/enum.Result.html
|
||
/// [^example]: https://www.example.com/
|
||
pub fn fo<|>o() {}
|
||
"#,
|
||
expect
|
||
case 3. code refrence: `Result`
|
||
case 4. code refrence but miss footnote: `String`
|
||
case 5. autolink: http://www.example.com/
|
||
case 6. email address: test@example.com
|
||
case 7. refrence: example
|
||
case 8. collapsed link: example
|
||
case 9. shortcut link: example
|
||
case 10. inline without URL: example
|
||
case 11. refrence: foo
|
||
case 12. refrence: foo
|
||
case 13. collapsed link: foo
|
||
case 14. shortcut link: foo
|
||
case 15. inline without URL: foo
|
||
case 16. just escaped text: \[foo]
|
||
case 17. inline link: Foo
|
||
|
||
[^example]: https://www.example.com/
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[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
|
||
test::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
|
||
test::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(
|
||
0,
|
||
),
|
||
offset: 6,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_has_impl_action() {
|
||
check_actions(
|
||
r"struct foo<|>() {}",
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
offset: 7,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_union_has_impl_action() {
|
||
check_actions(
|
||
r#"union foo<|>() {}"#,
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
offset: 6,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_enum_has_impl_action() {
|
||
check_actions(
|
||
r"enum foo<|>() { A, B }",
|
||
expect![[r#"
|
||
[
|
||
Implementaion(
|
||
FilePosition {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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(
|
||
0,
|
||
),
|
||
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: None,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[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(
|
||
0,
|
||
),
|
||
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: None,
|
||
},
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Arg",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Arg",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::A",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::M::C",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S1",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S2",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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_async_block_impl_trait_has_goto_type_action() {
|
||
check_actions(
|
||
r#"
|
||
struct S;
|
||
fn foo() {
|
||
let fo<|>o = async { S };
|
||
}
|
||
|
||
#[prelude_import] use future::*;
|
||
mod future {
|
||
#[lang = "future_trait"]
|
||
pub trait Future { type Output; }
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "test::future::Future",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
full_range: 101..163,
|
||
focus_range: Some(
|
||
140..146,
|
||
),
|
||
name: "Future",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"pub trait Future",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
full_range: 0..9,
|
||
focus_range: Some(
|
||
7..8,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::ImplTrait",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::DynTrait",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
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: "test::Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
0,
|
||
),
|
||
full_range: 0..62,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
name: "Foo",
|
||
kind: TRAIT,
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_displays_normalized_crate_names() {
|
||
check(
|
||
r#"
|
||
//- /lib.rs crate:name-with-dashes
|
||
pub mod wrapper {
|
||
pub struct Thing { x: u32 }
|
||
|
||
impl Thing {
|
||
pub fn new() -> Thing { Thing { x: 0 } }
|
||
}
|
||
}
|
||
|
||
//- /main.rs crate:main deps:name-with-dashes
|
||
fn main() { let foo_test = name_with_dashes::wrapper::Thing::new<|>(); }
|
||
"#,
|
||
expect![[r#"
|
||
*new*
|
||
|
||
```rust
|
||
name_with_dashes::wrapper::Thing
|
||
```
|
||
|
||
```rust
|
||
pub fn new() -> Thing
|
||
```
|
||
"#]],
|
||
)
|
||
}
|
||
|
||
#[test]
|
||
fn hover_field_pat_shorthand_ref_match_ergonomics() {
|
||
check(
|
||
r#"
|
||
struct S {
|
||
f: i32,
|
||
}
|
||
|
||
fn main() {
|
||
let s = S { f: 0 };
|
||
let S { f<|> } = &s;
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*f*
|
||
|
||
```rust
|
||
&i32
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_self_param_shows_type() {
|
||
check(
|
||
r#"
|
||
struct Foo {}
|
||
impl Foo {
|
||
fn bar(&sel<|>f) {}
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*&self*
|
||
```rust
|
||
&Foo
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_self_param_shows_type_for_arbitrary_self_type() {
|
||
check(
|
||
r#"
|
||
struct Arc<T>(T);
|
||
struct Foo {}
|
||
impl Foo {
|
||
fn bar(sel<|>f: Arc<Foo>) {}
|
||
}
|
||
"#,
|
||
expect![[r#"
|
||
*self: Arc<Foo>*
|
||
```rust
|
||
Arc<Foo>
|
||
```
|
||
"#]],
|
||
);
|
||
}
|
||
}
|