mirror of
https://github.com/rust-lang/rust-analyzer.git
synced 2025-09-30 05:45:12 +00:00
2507 lines
77 KiB
Rust
2507 lines
77 KiB
Rust
use std::iter::once;
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use hir::{
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Adt, AsAssocItem, AssocItemContainer, FieldSource, HasSource, HirDisplay, ModuleDef,
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ModuleSource, Semantics, Module, Documentation
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};
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use itertools::Itertools;
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use ra_db::SourceDatabase;
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use ra_ide_db::{
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defs::{classify_name, classify_name_ref, Definition},
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RootDatabase,
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};
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use ra_syntax::{ast, match_ast, AstNode, SyntaxKind::*, SyntaxToken, TokenAtOffset};
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use ra_project_model::ProjectWorkspace;
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use ra_hir_def::{item_scope::ItemInNs, db::DefDatabase, ModuleDefId};
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use crate::{
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display::{
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macro_label, rust_code_markup, rust_code_markup_with_doc, ShortLabel, ToNav, TryToNav,
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},
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runnables::runnable,
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FileId, FilePosition, NavigationTarget, RangeInfo, Runnable,
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};
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use test_utils::mark;
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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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}
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impl Default for HoverConfig {
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fn default() -> Self {
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Self { implementations: true, run: true, debug: true, goto_type_def: true }
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}
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}
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impl HoverConfig {
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pub const NO_ACTIONS: Self =
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Self { implementations: false, run: false, debug: false, goto_type_def: false };
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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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use std::path::{Path, PathBuf};
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use std::sync::Arc;
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use comrak::{parse_document,format_commonmark, ComrakOptions, Arena};
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use comrak::nodes::NodeValue;
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use url::Url;
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use ra_ide_db::imports_locator::ImportsLocator;
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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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results: Vec<String>,
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actions: Vec<HoverAction>,
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}
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impl HoverResult {
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pub fn new() -> HoverResult {
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Self::default()
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}
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pub fn extend(&mut self, item: Option<String>) {
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self.results.extend(item);
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}
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pub fn is_empty(&self) -> bool {
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self.results.is_empty()
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}
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pub fn len(&self) -> usize {
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self.results.len()
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}
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pub fn first(&self) -> Option<&str> {
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self.results.first().map(String::as_str)
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}
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pub fn results(&self) -> &[String] {
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&self.results
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}
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pub fn actions(&self) -> &[HoverAction] {
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&self.actions
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}
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pub fn push_action(&mut self, action: HoverAction) {
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self.actions.push(action);
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}
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/// Returns the results converted into markup
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/// for displaying in a UI
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///
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/// Does not process actions!
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pub fn to_markup(&self) -> String {
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self.results.join("\n\n___\n")
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}
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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(db: &RootDatabase, position: FilePosition, workspaces: Arc<Vec<ProjectWorkspace>>) -> 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::new();
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if let Some((node, name_kind)) = match_ast! {
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match (token.parent()) {
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ast::NameRef(name_ref) => {
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classify_name_ref(&sema, &name_ref).map(|d| (name_ref.syntax().clone(), d.definition()))
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},
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ast::Name(name) => {
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classify_name(&sema, &name).map(|d| (name.syntax().clone(), d.definition()))
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},
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_ => None,
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}
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} {
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let range = sema.original_range(&node).range;
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let text = hover_text_from_name_kind(db, name_kind.clone()).map(|text| rewrite_links(db, &text, &name_kind, workspaces).unwrap_or(text));
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res.extend(text);
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if !res.is_empty() {
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if let Some(action) = show_implementations_action(db, name_kind) {
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res.push_action(action);
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}
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if let Some(action) = runnable_action(&sema, name_kind, position.file_id) {
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res.push_action(action);
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}
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if let Some(action) = goto_type_action(db, name_kind) {
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res.push_action(action);
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}
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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
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.ancestors()
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.find(|n| ast::Expr::cast(n.clone()).is_some() || ast::Pat::cast(n.clone()).is_some())?;
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let ty = match_ast! {
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match node {
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ast::MacroCall(_it) => {
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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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return None;
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},
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ast::Expr(it) => {
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sema.type_of_expr(&it)
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},
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ast::Pat(it) => {
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sema.type_of_pat(&it)
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},
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_ => None,
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}
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}?;
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res.extend(Some(rust_code_markup(&ty.display(db))));
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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.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: mod_path(db, &it)?,
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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_text(
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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<String> {
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if let Some(desc) = desc {
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Some(rust_code_markup_with_doc(&desc, docs.as_deref(), mod_path.as_deref()))
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} else {
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docs
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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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Definition::SelfType(i) => i.target_ty(db).as_adt().map(|adt| adt.name(db)),
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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 determine_mod_path(db: &RootDatabase, module: Module, name: Option<String>) -> String {
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once(db.crate_graph()[module.krate().into()].display_name.as_ref().map(ToString::to_string))
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.chain(
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module
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.path_to_root(db)
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.into_iter()
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.rev()
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.map(|it| it.name(db).map(|name| name.to_string())),
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)
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.chain(once(name))
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.flatten()
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.join("::")
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}
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// returns None only for ModuleDef::BuiltinType
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fn mod_path(db: &RootDatabase, item: &ModuleDef) -> Option<String> {
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Some(determine_mod_path(db, item.module(db)?, item.name(db).map(|name| name.to_string())))
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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| determine_mod_path(db, module, definition_owner_name(db, def)))
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}
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fn hover_text_from_name_kind(db: &RootDatabase, def: Definition) -> Option<String> {
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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_text(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_text(docs, it.short_label(), mod_path)
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}
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_ => None,
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}
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}
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Definition::ModuleDef(it) => match it {
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ModuleDef::Module(it) => match it.definition_source(db).value {
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ModuleSource::Module(it) => {
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let docs = Documentation::from_ast(&it).map(Into::into);
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hover_text(docs, it.short_label(), mod_path)
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}
|
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_ => None,
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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),
|
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ModuleDef::EnumVariant(it) => from_def_source(db, it, mod_path),
|
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ModuleDef::Const(it) => from_def_source(db, it, mod_path),
|
||
ModuleDef::Static(it) => from_def_source(db, it, mod_path),
|
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ModuleDef::Trait(it) => from_def_source(db, it, mod_path),
|
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ModuleDef::TypeAlias(it) => from_def_source(db, it, mod_path),
|
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ModuleDef::BuiltinType(it) => Some(it.to_string()),
|
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},
|
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Definition::Local(it) => Some(rust_code_markup(&it.ty(db).display(db))),
|
||
Definition::TypeParam(_) | Definition::SelfType(_) => {
|
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// FIXME: Hover for generic param
|
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None
|
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}
|
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};
|
||
|
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fn from_def_source<A, D>(db: &RootDatabase, def: D, mod_path: Option<String>) -> Option<String>
|
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where
|
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D: HasSource<Ast = A>,
|
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A: ast::DocCommentsOwner + ast::NameOwner + ShortLabel + ast::AttrsOwner,
|
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{
|
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let src = def.source(db);
|
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let docs = Documentation::from_ast(&src.value).map(Into::into);
|
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hover_text(docs, src.value.short_label(), mod_path)
|
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}
|
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}
|
||
|
||
/// Rewrite documentation links in markdown to point to local documentation/docs.rs
|
||
fn rewrite_links(db: &RootDatabase, markdown: &str, definition: &Definition, workspaces: Arc<Vec<ProjectWorkspace>>) -> Option<String> {
|
||
// FIXME: Fail early
|
||
if let (Some(name), Some(module)) = (definition.name(db), definition.module(db)) {
|
||
let krate_name = module.krate().display_name(db)?;
|
||
let arena = Arena::new();
|
||
let doc = parse_document(&arena, markdown, &ComrakOptions::default());
|
||
let path = module.path_to_root(db);
|
||
let mut doc_target_dirs = workspaces
|
||
.iter()
|
||
.filter_map(|workspace| if let ProjectWorkspace::Cargo{cargo: cargo_workspace, ..} = workspace {Some(cargo_workspace)} else {None})
|
||
.map(|workspace| workspace.workspace_root())
|
||
// TODO: `target` is configurable in cargo config, we should respect it
|
||
.map(|root| root.join("target/doc"));
|
||
|
||
iter_nodes(doc, &|node| {
|
||
match &mut node.data.borrow_mut().value {
|
||
&mut NodeValue::Link(ref mut link) => {
|
||
match Url::parse(&String::from_utf8(link.url.clone()).unwrap()) {
|
||
// If this is a valid absolute URL don't touch it
|
||
Ok(_) => (),
|
||
// If contains .html file-based link to new page
|
||
// If starts with #fragment file-based link to fragment on current page
|
||
// If contains :: module-based link
|
||
Err(_) => {
|
||
let link_str = String::from_utf8(link.url.clone()).unwrap();
|
||
let resolved = try_resolve_path(db, &mut doc_target_dirs.clone(), definition, &link_str)
|
||
.or_else(|| try_resolve_intra(db, &mut doc_target_dirs.clone(), definition, &link_str));
|
||
|
||
if let Some(resolved) = resolved {
|
||
link.url = resolved.as_bytes().to_vec();
|
||
}
|
||
|
||
}
|
||
}
|
||
},
|
||
_ => ()
|
||
}
|
||
});
|
||
let mut out = Vec::new();
|
||
format_commonmark(doc, &ComrakOptions::default(), &mut out);
|
||
Some(String::from_utf8(out).unwrap())
|
||
} else {
|
||
// eprintln!("WARN: Unable to determine name or module for hover; link rewriting disabled.");
|
||
None
|
||
}
|
||
}
|
||
|
||
/// Try to resolve path to local documentation via intra-doc-links (i.e. `super::gateway::Shard`)
|
||
fn try_resolve_intra(db: &RootDatabase, doc_target_dirs: impl Iterator<Item = PathBuf>, definition: &Definition, link: &str) -> Option<String> {
|
||
None
|
||
}
|
||
|
||
/// Try to resolve path to local documentation via path-based links (i.e. `../gateway/struct.Shard.html`)
|
||
fn try_resolve_path(db: &RootDatabase, doc_target_dirs: impl Iterator<Item = PathBuf>, definition: &Definition, link: &str) -> Option<String> {
|
||
let ns = if let Definition::ModuleDef(moddef) = definition {
|
||
ItemInNs::Types(moddef.clone().into())
|
||
} else {
|
||
return None;
|
||
};
|
||
let krate = definition.module(db)?.krate();
|
||
let import_map = db.import_map(krate.into());
|
||
let base = import_map.path_of(ns).unwrap();
|
||
let base = base.segments.iter().map(|name| format!("{}", name)).collect::<PathBuf>();
|
||
|
||
doc_target_dirs
|
||
.map(|dir| dir.join(format!("{}", krate.display_name(db).unwrap())).join(base.join("..").join(link)))
|
||
.inspect(|path| eprintln!("candidate {}", path.display()))
|
||
.filter(|path| path.exists())
|
||
// slice out the UNC '\?\' added by canonicalize
|
||
.map(|path| format!("file:///{}", path.display()))
|
||
// \. is treated as an escape in vscode's markdown hover rendering
|
||
.map(|path_str| path_str.replace("\\", "/"))
|
||
.next()
|
||
}
|
||
|
||
fn iter_nodes<'a, F>(node: &'a comrak::nodes::AstNode<'a>, f: &F)
|
||
where F : Fn(&'a comrak::nodes::AstNode<'a>) {
|
||
f(node);
|
||
for c in node.children() {
|
||
iter_nodes(c, f);
|
||
}
|
||
}
|
||
|
||
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,
|
||
L_PAREN | R_PAREN => 2,
|
||
kind if kind.is_trivia() => 0,
|
||
_ => 1,
|
||
}
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
use insta::assert_debug_snapshot;
|
||
|
||
use ra_db::FileLoader;
|
||
use ra_syntax::TextRange;
|
||
|
||
use crate::mock_analysis::analysis_and_position;
|
||
|
||
fn trim_markup(s: &str) -> &str {
|
||
s.trim_start_matches("```rust\n").trim_end_matches("\n```")
|
||
}
|
||
|
||
fn trim_markup_opt(s: Option<&str>) -> Option<&str> {
|
||
s.map(trim_markup)
|
||
}
|
||
|
||
fn assert_impl_action(action: &HoverAction, position: u32) {
|
||
let offset = match action {
|
||
HoverAction::Implementaion(pos) => pos.offset,
|
||
it => panic!("Unexpected hover action: {:#?}", it),
|
||
};
|
||
assert_eq!(offset, position.into());
|
||
}
|
||
|
||
fn check_hover_result(fixture: &str, expected: &[&str]) -> (String, Vec<HoverAction>) {
|
||
let (analysis, position) = analysis_and_position(fixture);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
let mut results = Vec::from(hover.info.results());
|
||
results.sort();
|
||
|
||
for (markup, expected) in
|
||
results.iter().zip(expected.iter().chain(std::iter::repeat(&"<missing>")))
|
||
{
|
||
assert_eq!(trim_markup(&markup), *expected);
|
||
}
|
||
|
||
assert_eq!(hover.info.len(), expected.len());
|
||
|
||
let content = analysis.db.file_text(position.file_id);
|
||
(content[hover.range].to_string(), hover.info.actions().to_vec())
|
||
}
|
||
|
||
fn check_hover_no_result(fixture: &str) {
|
||
let (analysis, position) = analysis_and_position(fixture);
|
||
assert!(analysis.hover(position).unwrap().is_none());
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_type_of_an_expression() {
|
||
let (analysis, position) = analysis_and_position(
|
||
r#"
|
||
pub fn foo() -> u32 { 1 }
|
||
|
||
fn main() {
|
||
let foo_test = foo()<|>;
|
||
}
|
||
"#,
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(hover.range, TextRange::new(58.into(), 63.into()));
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("u32"));
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_long_type_of_an_expression() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
struct Scan<A, B, C> {
|
||
a: A,
|
||
b: B,
|
||
c: C,
|
||
}
|
||
|
||
struct FakeIter<I> {
|
||
inner: I,
|
||
}
|
||
|
||
struct OtherStruct<T> {
|
||
i: T,
|
||
}
|
||
|
||
enum FakeOption<T> {
|
||
Some(T),
|
||
None,
|
||
}
|
||
|
||
fn scan<A, B, C>(a: A, b: B, c: C) -> FakeIter<Scan<OtherStruct<A>, B, C>> {
|
||
FakeIter { inner: Scan { a, b, c } }
|
||
}
|
||
|
||
fn main() {
|
||
let num: i32 = 55;
|
||
let closure = |memo: &mut u32, value: &u32, _another: &mut u32| -> FakeOption<u32> {
|
||
FakeOption::Some(*memo + value)
|
||
};
|
||
let number = 5u32;
|
||
let mut iter<|> = scan(OtherStruct { i: num }, closure, number);
|
||
}
|
||
"#,
|
||
&["FakeIter<Scan<OtherStruct<OtherStruct<i32>>, |&mut u32, &u32, &mut u32| -> FakeOption<u32>, u32>>"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_signature() {
|
||
// Single file with result
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
pub fn foo() -> u32 { 1 }
|
||
|
||
fn main() {
|
||
let foo_test = fo<|>o();
|
||
}
|
||
"#,
|
||
&["pub fn foo() -> u32"],
|
||
);
|
||
|
||
// Multiple candidates but results are ambiguous.
|
||
check_hover_result(
|
||
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();
|
||
}
|
||
"#,
|
||
&["{unknown}"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_signature_with_type_params() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
pub fn foo<'a, T: AsRef<str>>(b: &'a T) -> &'a str { }
|
||
|
||
fn main() {
|
||
let foo_test = fo<|>o();
|
||
}
|
||
"#,
|
||
&["pub fn foo<'a, T: AsRef<str>>(b: &'a T) -> &'a str"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_fn_signature_on_fn_name() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
pub fn foo<|>(a: u32, b: u32) -> u32 {}
|
||
|
||
fn main() {
|
||
}
|
||
"#,
|
||
&["pub fn foo(a: u32, b: u32) -> u32"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_shows_struct_field_info() {
|
||
// Hovering over the field when instantiating
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
struct Foo {
|
||
field_a: u32,
|
||
}
|
||
|
||
fn main() {
|
||
let foo = Foo {
|
||
field_a<|>: 0,
|
||
};
|
||
}
|
||
"#,
|
||
&["Foo\n```\n\n```rust\nfield_a: u32"],
|
||
);
|
||
|
||
// Hovering over the field in the definition
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
struct Foo {
|
||
field_a<|>: u32,
|
||
}
|
||
|
||
fn main() {
|
||
let foo = Foo {
|
||
field_a: 0,
|
||
};
|
||
}
|
||
"#,
|
||
&["Foo\n```\n\n```rust\nfield_a: u32"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_const_static() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
const foo<|>: u32 = 0;
|
||
"#,
|
||
&["const foo: u32"],
|
||
);
|
||
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
static foo<|>: u32 = 0;
|
||
"#,
|
||
&["static foo: u32"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_default_generic_types() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
struct Test<K, T = u8> {
|
||
k: K,
|
||
t: T,
|
||
}
|
||
|
||
fn main() {
|
||
let zz<|> = Test { t: 23u8, k: 33 };
|
||
}"#,
|
||
&["Test<i32, u8>"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_some() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
enum Option<T> { Some(T) }
|
||
use Option::Some;
|
||
|
||
fn main() {
|
||
So<|>me(12);
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("Option\n```\n\n```rust\nSome"));
|
||
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
enum Option<T> { Some(T) }
|
||
use Option::Some;
|
||
|
||
fn main() {
|
||
let b<|>ar = Some(12);
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("Option<i32>"));
|
||
}
|
||
|
||
#[test]
|
||
fn hover_enum_variant() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
enum Option<T> {
|
||
/// The None variant
|
||
Non<|>e
|
||
}
|
||
"#,
|
||
&["
|
||
Option
|
||
```
|
||
|
||
```rust
|
||
None
|
||
```
|
||
___
|
||
|
||
The None variant
|
||
"
|
||
.trim()],
|
||
);
|
||
|
||
check_hover_result(
|
||
r#"
|
||
//- /main.rs
|
||
enum Option<T> {
|
||
/// The Some variant
|
||
Some(T)
|
||
}
|
||
fn main() {
|
||
let s = Option::Som<|>e(12);
|
||
}
|
||
"#,
|
||
&["
|
||
Option
|
||
```
|
||
|
||
```rust
|
||
Some
|
||
```
|
||
___
|
||
|
||
The Some variant
|
||
"
|
||
.trim()],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_local_variable() {
|
||
let (analysis, position) = analysis_and_position("fn func(foo: i32) { fo<|>o; }");
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_local_variable_pat() {
|
||
let (analysis, position) = analysis_and_position("fn func(fo<|>o: i32) {}");
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
|
||
}
|
||
|
||
#[test]
|
||
fn hover_local_var_edge() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
fn func(foo: i32) { if true { <|>foo; }; }
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
|
||
}
|
||
|
||
#[test]
|
||
fn hover_for_param_edge() {
|
||
let (analysis, position) = analysis_and_position("fn func(<|>foo: i32) {}");
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_infer_associated_method_result() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
struct Thing { x: u32 }
|
||
|
||
impl Thing {
|
||
fn new() -> Thing {
|
||
Thing { x: 0 }
|
||
}
|
||
}
|
||
|
||
fn main() {
|
||
let foo_<|>test = Thing::new();
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("Thing"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_infer_associated_method_exact() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
mod wrapper {
|
||
struct Thing { x: u32 }
|
||
|
||
impl Thing {
|
||
fn new() -> Thing {
|
||
Thing { x: 0 }
|
||
}
|
||
}
|
||
}
|
||
|
||
fn main() {
|
||
let foo_test = wrapper::Thing::new<|>();
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(
|
||
trim_markup_opt(hover.info.first()),
|
||
Some("wrapper::Thing\n```\n\n```rust\nfn new() -> Thing")
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_infer_associated_const_in_pattern() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
struct X;
|
||
impl X {
|
||
const C: u32 = 1;
|
||
}
|
||
|
||
fn main() {
|
||
match 1 {
|
||
X::C<|> => {},
|
||
2 => {},
|
||
_ => {}
|
||
};
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("const C: u32"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_self() {
|
||
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_opt(hover.info.first()), Some("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_opt(hover.info.first()), Some("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_opt(hover.info.first()), Some("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_opt(hover.info.first()), Some("enum Thing"));
|
||
*/
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_shadowing_pat() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
fn x() {}
|
||
|
||
fn y() {
|
||
let x = 0i32;
|
||
x<|>;
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_macro_invocation() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
macro_rules! foo {
|
||
() => {}
|
||
}
|
||
|
||
fn f() {
|
||
fo<|>o!();
|
||
}
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("macro_rules! foo"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_tuple_field() {
|
||
let (analysis, position) = analysis_and_position(
|
||
"
|
||
struct TS(String, i32<|>);
|
||
",
|
||
);
|
||
let hover = analysis.hover(position).unwrap().unwrap();
|
||
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_macro() {
|
||
let (hover_on, _) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
macro_rules! id {
|
||
($($tt:tt)*) => { $($tt)* }
|
||
}
|
||
fn foo() {}
|
||
id! {
|
||
fn bar() {
|
||
fo<|>o();
|
||
}
|
||
}
|
||
",
|
||
&["fn foo()"],
|
||
);
|
||
|
||
assert_eq!(hover_on, "foo")
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_expr_in_macro() {
|
||
let (hover_on, _) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
macro_rules! id {
|
||
($($tt:tt)*) => { $($tt)* }
|
||
}
|
||
fn foo(bar:u32) {
|
||
let a = id!(ba<|>r);
|
||
}
|
||
",
|
||
&["u32"],
|
||
);
|
||
|
||
assert_eq!(hover_on, "bar")
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_expr_in_macro_recursive() {
|
||
let (hover_on, _) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
macro_rules! id_deep {
|
||
($($tt:tt)*) => { $($tt)* }
|
||
}
|
||
macro_rules! id {
|
||
($($tt:tt)*) => { id_deep!($($tt)*) }
|
||
}
|
||
fn foo(bar:u32) {
|
||
let a = id!(ba<|>r);
|
||
}
|
||
",
|
||
&["u32"],
|
||
);
|
||
|
||
assert_eq!(hover_on, "bar")
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_func_in_macro_recursive() {
|
||
let (hover_on, _) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
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(<|>)] );
|
||
}
|
||
",
|
||
&["u32"],
|
||
);
|
||
|
||
assert_eq!(hover_on, "bar()")
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_literal_string_in_macro() {
|
||
let (hover_on, _) = check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
macro_rules! arr {
|
||
($($tt:tt)*) => { [$($tt)*)] }
|
||
}
|
||
fn foo() {
|
||
let mastered_for_itunes = "";
|
||
let _ = arr!("Tr<|>acks", &mastered_for_itunes);
|
||
}
|
||
"#,
|
||
&["&str"],
|
||
);
|
||
|
||
assert_eq!(hover_on, "\"Tracks\"");
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_assert_macro() {
|
||
let (hover_on, _) = check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
#[rustc_builtin_macro]
|
||
macro_rules! assert {}
|
||
|
||
fn bar() -> bool { true }
|
||
fn foo() {
|
||
assert!(ba<|>r());
|
||
}
|
||
"#,
|
||
&["fn bar() -> bool"],
|
||
);
|
||
|
||
assert_eq!(hover_on, "bar");
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_through_literal_string_in_builtin_macro() {
|
||
check_hover_no_result(
|
||
r#"
|
||
//- /lib.rs
|
||
#[rustc_builtin_macro]
|
||
macro_rules! format {}
|
||
|
||
fn foo() {
|
||
format!("hel<|>lo {}", 0);
|
||
}
|
||
"#,
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_non_ascii_space_doc() {
|
||
check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
/// <- `\u{3000}` here
|
||
fn foo() {
|
||
}
|
||
|
||
fn bar() {
|
||
fo<|>o();
|
||
}
|
||
",
|
||
&["fn foo()\n```\n___\n\n<- `\u{3000}` here"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_function_show_qualifiers() {
|
||
check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
async fn foo<|>() {}
|
||
",
|
||
&["async fn foo()"],
|
||
);
|
||
check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
pub const unsafe fn foo<|>() {}
|
||
",
|
||
&["pub const unsafe fn foo()"],
|
||
);
|
||
check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
pub(crate) async unsafe extern "C" fn foo<|>() {}
|
||
"#,
|
||
&[r#"pub(crate) async unsafe extern "C" fn foo()"#],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_trait_show_qualifiers() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
unsafe trait foo<|>() {}
|
||
",
|
||
&["unsafe trait foo"],
|
||
);
|
||
assert_impl_action(&actions[0], 13);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_mod_with_same_name_as_function() {
|
||
check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
use self::m<|>y::Bar;
|
||
|
||
mod my {
|
||
pub struct Bar;
|
||
}
|
||
|
||
fn my() {}
|
||
",
|
||
&["mod my"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_doc_comment() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
/// bar docs
|
||
struct Bar;
|
||
|
||
fn foo() {
|
||
let bar = Ba<|>r;
|
||
}
|
||
"#,
|
||
&["struct Bar\n```\n___\n\nbar docs"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_doc_attr() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
#[doc = "bar docs"]
|
||
struct Bar;
|
||
|
||
fn foo() {
|
||
let bar = Ba<|>r;
|
||
}
|
||
"#,
|
||
&["struct Bar\n```\n___\n\nbar docs"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_doc_attr_multiple_and_mixed() {
|
||
check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
/// bar docs 0
|
||
#[doc = "bar docs 1"]
|
||
#[doc = "bar docs 2"]
|
||
struct Bar;
|
||
|
||
fn foo() {
|
||
let bar = Ba<|>r;
|
||
}
|
||
"#,
|
||
&["struct Bar\n```\n___\n\nbar docs 0\n\nbar docs 1\n\nbar docs 2"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_macro_generated_struct_fn_doc_comment() {
|
||
mark::check!(hover_macro_generated_struct_fn_doc_comment);
|
||
|
||
check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
macro_rules! bar {
|
||
() => {
|
||
struct Bar;
|
||
impl Bar {
|
||
/// Do the foo
|
||
fn foo(&self) {}
|
||
}
|
||
}
|
||
}
|
||
|
||
bar!();
|
||
|
||
fn foo() {
|
||
let bar = Bar;
|
||
bar.fo<|>o();
|
||
}
|
||
"#,
|
||
&["Bar\n```\n\n```rust\nfn foo(&self)\n```\n___\n\n Do the foo"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_macro_generated_struct_fn_doc_attr() {
|
||
mark::check!(hover_macro_generated_struct_fn_doc_attr);
|
||
|
||
check_hover_result(
|
||
r#"
|
||
//- /lib.rs
|
||
macro_rules! bar {
|
||
() => {
|
||
struct Bar;
|
||
impl Bar {
|
||
#[doc = "Do the foo"]
|
||
fn foo(&self) {}
|
||
}
|
||
}
|
||
}
|
||
|
||
bar!();
|
||
|
||
fn foo() {
|
||
let bar = Bar;
|
||
bar.fo<|>o();
|
||
}
|
||
"#,
|
||
&["Bar\n```\n\n```rust\nfn foo(&self)\n```\n___\n\nDo the foo"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_trait_has_impl_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait foo<|>() {}
|
||
",
|
||
&["trait foo"],
|
||
);
|
||
assert_impl_action(&actions[0], 6);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_has_impl_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
struct foo<|>() {}
|
||
",
|
||
&["struct foo"],
|
||
);
|
||
assert_impl_action(&actions[0], 7);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_union_has_impl_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
union foo<|>() {}
|
||
",
|
||
&["union foo"],
|
||
);
|
||
assert_impl_action(&actions[0], 6);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_enum_has_impl_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
enum foo<|>() {
|
||
A,
|
||
B
|
||
}
|
||
",
|
||
&["enum foo"],
|
||
);
|
||
assert_impl_action(&actions[0], 5);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_test_has_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
#[test]
|
||
fn foo_<|>test() {}
|
||
",
|
||
&["fn foo_test()"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
Runnable(
|
||
Runnable {
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..24,
|
||
name: "foo_test",
|
||
kind: FN_DEF,
|
||
focus_range: Some(
|
||
11..19,
|
||
),
|
||
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() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
mod tests<|> {
|
||
#[test]
|
||
fn foo_test() {}
|
||
}
|
||
",
|
||
&["mod tests"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
Runnable(
|
||
Runnable {
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..46,
|
||
name: "tests",
|
||
kind: MODULE,
|
||
focus_range: Some(
|
||
4..9,
|
||
),
|
||
container_name: None,
|
||
description: None,
|
||
docs: None,
|
||
},
|
||
kind: TestMod {
|
||
path: "tests",
|
||
},
|
||
cfg_exprs: [],
|
||
},
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_struct_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
struct S{ f1: u32 }
|
||
|
||
fn main() {
|
||
let s<|>t = S{ f1:0 };
|
||
}
|
||
",
|
||
&["S"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..19,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
7..8,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_struct_has_goto_type_actions() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
struct Arg(u32);
|
||
struct S<T>{ f1: T }
|
||
|
||
fn main() {
|
||
let s<|>t = S{ f1:Arg(0) };
|
||
}
|
||
",
|
||
&["S<Arg>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 17..37,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
24..25,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Arg",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..16,
|
||
name: "Arg",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
7..10,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct Arg",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_struct_has_flattened_goto_type_actions() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
struct Arg(u32);
|
||
struct S<T>{ f1: T }
|
||
|
||
fn main() {
|
||
let s<|>t = S{ f1: S{ f1: Arg(0) } };
|
||
}
|
||
",
|
||
&["S<S<Arg>>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 17..37,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
24..25,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Arg",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..16,
|
||
name: "Arg",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
7..10,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct Arg",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_tuple_has_goto_type_actions() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
struct A(u32);
|
||
struct B(u32);
|
||
mod M {
|
||
pub struct C(u32);
|
||
}
|
||
|
||
fn main() {
|
||
let s<|>t = (A(1), B(2), M::C(3) );
|
||
}
|
||
",
|
||
&["(A, B, C)"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "A",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..14,
|
||
name: "A",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
7..8,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct A",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 15..29,
|
||
name: "B",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
22..23,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct B",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "M::C",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 42..60,
|
||
name: "C",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
53..54,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"pub struct C",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_return_impl_trait_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
trait Foo {}
|
||
|
||
fn foo() -> impl Foo {}
|
||
|
||
fn main() {
|
||
let s<|>t = foo();
|
||
}
|
||
",
|
||
&["impl Foo"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_return_impl_trait_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
trait Foo<T> {}
|
||
struct S;
|
||
|
||
fn foo() -> impl Foo<S> {}
|
||
|
||
fn main() {
|
||
let s<|>t = foo();
|
||
}
|
||
",
|
||
&["impl Foo<S>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..25,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
23..24,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_return_impl_traits_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
trait Foo {}
|
||
trait Bar {}
|
||
|
||
fn foo() -> impl Foo + Bar {}
|
||
|
||
fn main() {
|
||
let s<|>t = foo();
|
||
}
|
||
",
|
||
&["impl Foo + Bar"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 13..25,
|
||
name: "Bar",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
19..22,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Bar",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_return_impl_traits_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
trait Foo<T> {}
|
||
trait Bar<T> {}
|
||
struct S1 {}
|
||
struct S2 {}
|
||
|
||
fn foo() -> impl Foo<S1> + Bar<S2> {}
|
||
|
||
fn main() {
|
||
let s<|>t = foo();
|
||
}
|
||
",
|
||
&["impl Foo<S1> + Bar<S2>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..31,
|
||
name: "Bar",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
22..25,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Bar",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S1",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 32..44,
|
||
name: "S1",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
39..41,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S1",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S2",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 45..57,
|
||
name: "S2",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
52..54,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S2",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_arg_impl_trait_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait Foo {}
|
||
fn foo(ar<|>g: &impl Foo) {}
|
||
",
|
||
&["&impl Foo"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_arg_impl_traits_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait Foo {}
|
||
trait Bar<T> {}
|
||
struct S{}
|
||
|
||
fn foo(ar<|>g: &impl Foo + Bar<S>) {}
|
||
",
|
||
&["&impl Foo + Bar<S>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Bar",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 13..28,
|
||
name: "Bar",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
19..22,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Bar",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 29..39,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
36..37,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_arg_generic_impl_trait_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait Foo<T> {}
|
||
struct S {}
|
||
fn foo(ar<|>g: &impl Foo<S>) {}
|
||
",
|
||
&["&impl Foo<S>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..27,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
23..24,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_dyn_return_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
trait Foo {}
|
||
struct S;
|
||
impl Foo for S {}
|
||
|
||
struct B<T>{}
|
||
|
||
fn foo() -> B<dyn Foo> {}
|
||
|
||
fn main() {
|
||
let s<|>t = foo();
|
||
}
|
||
",
|
||
&["B<dyn Foo>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 42..55,
|
||
name: "B",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
49..50,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct B",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_dyn_arg_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait Foo {}
|
||
fn foo(ar<|>g: &dyn Foo) {}
|
||
",
|
||
&["&dyn Foo"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..12,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_generic_dyn_arg_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait Foo<T> {}
|
||
struct S {}
|
||
fn foo(ar<|>g: &dyn Foo<S>) {}
|
||
",
|
||
&["&dyn Foo<S>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..15,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 16..27,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
23..24,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_goto_type_action_links_order() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /lib.rs
|
||
trait ImplTrait<T> {}
|
||
trait DynTrait<T> {}
|
||
struct B<T> {}
|
||
struct S {}
|
||
|
||
fn foo(a<|>rg: &impl ImplTrait<B<dyn DynTrait<B<S>>>>) {}
|
||
",
|
||
&["&impl ImplTrait<B<dyn DynTrait<B<S>>>>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "ImplTrait",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..21,
|
||
name: "ImplTrait",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..15,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait ImplTrait",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "B",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 43..57,
|
||
name: "B",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
50..51,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct B",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "DynTrait",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 22..42,
|
||
name: "DynTrait",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
28..36,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait DynTrait",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
HoverGotoTypeData {
|
||
mod_path: "S",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 58..69,
|
||
name: "S",
|
||
kind: STRUCT_DEF,
|
||
focus_range: Some(
|
||
65..66,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"struct S",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
|
||
#[test]
|
||
fn test_hover_associated_type_has_goto_type_action() {
|
||
let (_, actions) = check_hover_result(
|
||
"
|
||
//- /main.rs
|
||
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();
|
||
}
|
||
",
|
||
&["Foo::Item<impl Foo>"],
|
||
);
|
||
assert_debug_snapshot!(actions,
|
||
@r###"
|
||
[
|
||
GoToType(
|
||
[
|
||
HoverGotoTypeData {
|
||
mod_path: "Foo",
|
||
nav: NavigationTarget {
|
||
file_id: FileId(
|
||
1,
|
||
),
|
||
full_range: 0..62,
|
||
name: "Foo",
|
||
kind: TRAIT_DEF,
|
||
focus_range: Some(
|
||
6..9,
|
||
),
|
||
container_name: None,
|
||
description: Some(
|
||
"trait Foo",
|
||
),
|
||
docs: None,
|
||
},
|
||
},
|
||
],
|
||
),
|
||
]
|
||
"###);
|
||
}
|
||
}
|