2057 lines
31 KiB
Rust
2057 lines
31 KiB
Rust
use std::mem::discriminant;
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use crate::{doc_links::token_as_doc_comment, FilePosition, NavigationTarget, RangeInfo, TryToNav};
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use hir::{AsAssocItem, AssocItem, Semantics};
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use ide_db::{
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base_db::{AnchoredPath, FileId, FileLoader},
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defs::{Definition, IdentClass},
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helpers::pick_best_token,
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RootDatabase,
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};
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use itertools::Itertools;
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use syntax::{ast, AstNode, AstToken, SyntaxKind::*, SyntaxToken, TextRange, T};
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// Feature: Go to Definition
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//
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// Navigates to the definition of an identifier.
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//
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// For outline modules, this will navigate to the source file of the module.
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//
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// |===
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// | Editor | Shortcut
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//
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// | VS Code | kbd:[F12]
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// |===
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//
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// image::https://user-images.githubusercontent.com/48062697/113065563-025fbe00-91b1-11eb-83e4-a5a703610b23.gif[]
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pub(crate) fn goto_definition(
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db: &RootDatabase,
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position: FilePosition,
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) -> Option<RangeInfo<Vec<NavigationTarget>>> {
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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 original_token =
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pick_best_token(file.token_at_offset(position.offset), |kind| match kind {
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IDENT
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| INT_NUMBER
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| LIFETIME_IDENT
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| T![self]
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| T![super]
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| T![crate]
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| T![Self]
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| COMMENT => 4,
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// index and prefix ops
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T!['['] | T![']'] | T![?] | T![*] | T![-] | T![!] => 3,
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kind if kind.is_keyword() => 2,
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T!['('] | T![')'] => 2,
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kind if kind.is_trivia() => 0,
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_ => 1,
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})?;
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if let Some(doc_comment) = token_as_doc_comment(&original_token) {
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return doc_comment.get_definition_with_descend_at(
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sema,
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position.offset,
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|def, _, link_range| {
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let nav = def.try_to_nav(db)?;
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Some(RangeInfo::new(link_range, vec![nav]))
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},
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);
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}
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let navs = sema
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.descend_into_macros(original_token.clone())
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.into_iter()
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.filter_map(|token| {
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let parent = token.parent()?;
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if let Some(tt) = ast::TokenTree::cast(parent) {
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if let Some(x) = try_lookup_include_path(sema, tt, token.clone(), position.file_id)
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{
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return Some(vec![x]);
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}
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}
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Some(
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IdentClass::classify_token(sema, &token)?
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.definitions()
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.into_iter()
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.flat_map(|def| {
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try_filter_trait_item_definition(sema, &def)
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.unwrap_or_else(|| def_to_nav(sema.db, def))
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})
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.collect(),
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)
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})
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.flatten()
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.unique()
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.collect::<Vec<NavigationTarget>>();
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Some(RangeInfo::new(original_token.text_range(), navs))
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}
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fn try_lookup_include_path(
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sema: &Semantics<'_, RootDatabase>,
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tt: ast::TokenTree,
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token: SyntaxToken,
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file_id: FileId,
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) -> Option<NavigationTarget> {
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let token = ast::String::cast(token)?;
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let path = token.value()?.into_owned();
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let macro_call = tt.syntax().parent().and_then(ast::MacroCall::cast)?;
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let name = macro_call.path()?.segment()?.name_ref()?;
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if !matches!(&*name.text(), "include" | "include_str" | "include_bytes") {
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return None;
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}
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// Ignore non-built-in macros to account for shadowing
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if let Some(it) = sema.resolve_macro_call(¯o_call) {
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if !matches!(it.kind(sema.db), hir::MacroKind::BuiltIn) {
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return None;
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}
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}
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let file_id = sema.db.resolve_path(AnchoredPath { anchor: file_id, path: &path })?;
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let size = sema.db.file_text(file_id).len().try_into().ok()?;
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Some(NavigationTarget {
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file_id,
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full_range: TextRange::new(0.into(), size),
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name: path.into(),
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alias: None,
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focus_range: None,
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kind: None,
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container_name: None,
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description: None,
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docs: None,
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})
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}
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/// finds the trait definition of an impl'd item, except function
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/// e.g.
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/// ```rust
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/// trait A { type a; }
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/// struct S;
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/// impl A for S { type a = i32; } // <-- on this associate type, will get the location of a in the trait
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/// ```
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fn try_filter_trait_item_definition(
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sema: &Semantics<'_, RootDatabase>,
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def: &Definition,
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) -> Option<Vec<NavigationTarget>> {
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let db = sema.db;
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let assoc = def.as_assoc_item(db)?;
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match assoc {
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AssocItem::Function(..) => None,
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AssocItem::Const(..) | AssocItem::TypeAlias(..) => {
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let imp = match assoc.container(db) {
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hir::AssocItemContainer::Impl(imp) => imp,
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_ => return None,
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};
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let trait_ = imp.trait_(db)?;
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let name = def.name(db)?;
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let discri_value = discriminant(&assoc);
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trait_
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.items(db)
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.iter()
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.filter(|itm| discriminant(*itm) == discri_value)
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.find_map(|itm| (itm.name(db)? == name).then(|| itm.try_to_nav(db)).flatten())
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.map(|it| vec![it])
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}
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}
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}
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fn def_to_nav(db: &RootDatabase, def: Definition) -> Vec<NavigationTarget> {
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def.try_to_nav(db).map(|it| vec![it]).unwrap_or_default()
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}
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#[cfg(test)]
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mod tests {
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use ide_db::base_db::FileRange;
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use itertools::Itertools;
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use crate::fixture;
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#[track_caller]
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fn check(ra_fixture: &str) {
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let (analysis, position, expected) = fixture::annotations(ra_fixture);
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let navs = analysis.goto_definition(position).unwrap().expect("no definition found").info;
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let cmp = |&FileRange { file_id, range }: &_| (file_id, range.start());
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let navs = navs
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.into_iter()
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.map(|nav| FileRange { file_id: nav.file_id, range: nav.focus_or_full_range() })
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.sorted_by_key(cmp)
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.collect::<Vec<_>>();
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let expected = expected
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.into_iter()
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.map(|(FileRange { file_id, range }, _)| FileRange { file_id, range })
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.sorted_by_key(cmp)
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.collect::<Vec<_>>();
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assert_eq!(expected, navs);
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}
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fn check_unresolved(ra_fixture: &str) {
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let (analysis, position) = fixture::position(ra_fixture);
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let navs = analysis.goto_definition(position).unwrap().expect("no definition found").info;
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assert!(navs.is_empty(), "didn't expect this to resolve anywhere: {navs:?}")
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}
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#[test]
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fn goto_def_if_items_same_name() {
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check(
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r#"
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trait Trait {
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type A;
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const A: i32;
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//^
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}
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struct T;
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impl Trait for T {
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type A = i32;
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const A$0: i32 = -9;
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}"#,
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);
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}
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#[test]
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fn goto_def_in_mac_call_in_attr_invoc() {
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check(
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r#"
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//- proc_macros: identity
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pub struct Struct {
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// ^^^^^^
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field: i32,
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}
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macro_rules! identity {
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($($tt:tt)*) => {$($tt)*};
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}
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#[proc_macros::identity]
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fn function() {
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identity!(Struct$0 { field: 0 });
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}
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"#,
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)
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}
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#[test]
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fn goto_def_for_extern_crate() {
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check(
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r#"
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//- /main.rs crate:main deps:std
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extern crate std$0;
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//- /std/lib.rs crate:std
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// empty
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//^file
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"#,
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)
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}
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#[test]
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fn goto_def_for_renamed_extern_crate() {
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check(
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r#"
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//- /main.rs crate:main deps:std
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extern crate std as abc$0;
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//- /std/lib.rs crate:std
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// empty
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//^file
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"#,
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)
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}
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#[test]
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fn goto_def_in_items() {
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check(
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r#"
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struct Foo;
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//^^^
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enum E { X(Foo$0) }
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"#,
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);
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}
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#[test]
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fn goto_def_at_start_of_item() {
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check(
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r#"
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struct Foo;
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//^^^
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enum E { X($0Foo) }
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"#,
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);
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}
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#[test]
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fn goto_definition_resolves_correct_name() {
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check(
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r#"
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//- /lib.rs
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use a::Foo;
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mod a;
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mod b;
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enum E { X(Foo$0) }
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//- /a.rs
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pub struct Foo;
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//^^^
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//- /b.rs
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pub struct Foo;
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"#,
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);
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}
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#[test]
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fn goto_def_for_module_declaration() {
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check(
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r#"
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//- /lib.rs
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mod $0foo;
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//- /foo.rs
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// empty
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//^file
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"#,
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);
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check(
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r#"
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//- /lib.rs
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mod $0foo;
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//- /foo/mod.rs
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// empty
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//^file
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"#,
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);
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}
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#[test]
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fn goto_def_for_macros() {
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check(
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r#"
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macro_rules! foo { () => { () } }
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//^^^
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fn bar() {
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$0foo!();
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}
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"#,
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);
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}
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#[test]
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fn goto_def_for_macros_from_other_crates() {
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check(
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r#"
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//- /lib.rs crate:main deps:foo
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use foo::foo;
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fn bar() {
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$0foo!();
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}
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|
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//- /foo/lib.rs crate:foo
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#[macro_export]
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macro_rules! foo { () => { () } }
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//^^^
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"#,
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);
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}
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#[test]
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fn goto_def_for_macros_in_use_tree() {
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check(
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r#"
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//- /lib.rs crate:main deps:foo
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use foo::foo$0;
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//- /foo/lib.rs crate:foo
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#[macro_export]
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macro_rules! foo { () => { () } }
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//^^^
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"#,
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);
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}
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|
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#[test]
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fn goto_def_for_macro_defined_fn_with_arg() {
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check(
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r#"
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//- /lib.rs
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macro_rules! define_fn {
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($name:ident) => (fn $name() {})
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}
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define_fn!(foo);
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//^^^
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|
|
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fn bar() {
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$0foo();
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}
|
|
"#,
|
|
);
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}
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|
|
|
#[test]
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fn goto_def_for_macro_defined_fn_no_arg() {
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check(
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r#"
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//- /lib.rs
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macro_rules! define_fn {
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() => (fn foo() {})
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}
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define_fn!();
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//^^^^^^^^^^^^^
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fn bar() {
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$0foo();
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}
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"#,
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|
);
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}
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|
|
|
#[test]
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fn goto_definition_works_for_macro_inside_pattern() {
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check(
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r#"
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//- /lib.rs
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macro_rules! foo {() => {0}}
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//^^^
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|
|
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fn bar() {
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match (0,1) {
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($0foo!(), _) => {}
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}
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}
|
|
"#,
|
|
);
|
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}
|
|
|
|
#[test]
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fn goto_definition_works_for_macro_inside_match_arm_lhs() {
|
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check(
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r#"
|
|
//- /lib.rs
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macro_rules! foo {() => {0}}
|
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//^^^
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fn bar() {
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match 0 {
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$0foo!() => {}
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}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_use_alias() {
|
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check(
|
|
r#"
|
|
//- /lib.rs crate:main deps:foo
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|
use foo as bar$0;
|
|
|
|
//- /foo/lib.rs crate:foo
|
|
// empty
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|
//^file
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_use_alias_foo_macro() {
|
|
check(
|
|
r#"
|
|
//- /lib.rs crate:main deps:foo
|
|
use foo::foo as bar$0;
|
|
|
|
//- /foo/lib.rs crate:foo
|
|
#[macro_export]
|
|
macro_rules! foo { () => { () } }
|
|
//^^^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_methods() {
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
impl Foo {
|
|
fn frobnicate(&self) { }
|
|
//^^^^^^^^^^
|
|
}
|
|
|
|
fn bar(foo: &Foo) {
|
|
foo.frobnicate$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_fields() {
|
|
check(
|
|
r#"
|
|
struct Foo {
|
|
spam: u32,
|
|
} //^^^^
|
|
|
|
fn bar(foo: &Foo) {
|
|
foo.spam$0;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_record_fields() {
|
|
check(
|
|
r#"
|
|
//- /lib.rs
|
|
struct Foo {
|
|
spam: u32,
|
|
} //^^^^
|
|
|
|
fn bar() -> Foo {
|
|
Foo {
|
|
spam$0: 0,
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_record_pat_fields() {
|
|
check(
|
|
r#"
|
|
//- /lib.rs
|
|
struct Foo {
|
|
spam: u32,
|
|
} //^^^^
|
|
|
|
fn bar(foo: Foo) -> Foo {
|
|
let Foo { spam$0: _, } = foo
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_record_fields_macros() {
|
|
check(
|
|
r"
|
|
macro_rules! m { () => { 92 };}
|
|
struct Foo { spam: u32 }
|
|
//^^^^
|
|
|
|
fn bar() -> Foo {
|
|
Foo { spam$0: m!() }
|
|
}
|
|
",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_for_tuple_fields() {
|
|
check(
|
|
r#"
|
|
struct Foo(u32);
|
|
//^^^
|
|
|
|
fn bar() {
|
|
let foo = Foo(0);
|
|
foo.$00;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_ufcs_inherent_methods() {
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
impl Foo {
|
|
fn frobnicate() { }
|
|
} //^^^^^^^^^^
|
|
|
|
fn bar(foo: &Foo) {
|
|
Foo::frobnicate$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_ufcs_trait_methods_through_traits() {
|
|
check(
|
|
r#"
|
|
trait Foo {
|
|
fn frobnicate();
|
|
} //^^^^^^^^^^
|
|
|
|
fn bar() {
|
|
Foo::frobnicate$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_ufcs_trait_methods_through_self() {
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
trait Trait {
|
|
fn frobnicate();
|
|
} //^^^^^^^^^^
|
|
impl Trait for Foo {}
|
|
|
|
fn bar() {
|
|
Foo::frobnicate$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_definition_on_self() {
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
impl Foo {
|
|
//^^^
|
|
pub fn new() -> Self {
|
|
Self$0 {}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
impl Foo {
|
|
//^^^
|
|
pub fn new() -> Self$0 {
|
|
Self {}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
enum Foo { A }
|
|
impl Foo {
|
|
//^^^
|
|
pub fn new() -> Self$0 {
|
|
Foo::A
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
enum Foo { A }
|
|
impl Foo {
|
|
//^^^
|
|
pub fn thing(a: &Self$0) {
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_definition_on_self_in_trait_impl() {
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
trait Make {
|
|
fn new() -> Self;
|
|
}
|
|
impl Make for Foo {
|
|
//^^^
|
|
fn new() -> Self {
|
|
Self$0 {}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
struct Foo;
|
|
trait Make {
|
|
fn new() -> Self;
|
|
}
|
|
impl Make for Foo {
|
|
//^^^
|
|
fn new() -> Self$0 {
|
|
Self {}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_when_used_on_definition_name_itself() {
|
|
check(
|
|
r#"
|
|
struct Foo$0 { value: u32 }
|
|
//^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
struct Foo {
|
|
field$0: string,
|
|
} //^^^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
fn foo_test$0() { }
|
|
//^^^^^^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
enum Foo$0 { Variant }
|
|
//^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
enum Foo {
|
|
Variant1,
|
|
Variant2$0,
|
|
//^^^^^^^^
|
|
Variant3,
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
static INNER$0: &str = "";
|
|
//^^^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
const INNER$0: &str = "";
|
|
//^^^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
type Thing$0 = Option<()>;
|
|
//^^^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
trait Foo$0 { }
|
|
//^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
trait Foo$0 = ;
|
|
//^^^
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
mod bar$0 { }
|
|
//^^^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_from_macro() {
|
|
check(
|
|
r#"
|
|
macro_rules! id {
|
|
($($tt:tt)*) => { $($tt)* }
|
|
}
|
|
fn foo() {}
|
|
//^^^
|
|
id! {
|
|
fn bar() {
|
|
fo$0o();
|
|
}
|
|
}
|
|
mod confuse_index { fn foo(); }
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_through_format() {
|
|
check(
|
|
r#"
|
|
#[macro_export]
|
|
macro_rules! format {
|
|
($($arg:tt)*) => ($crate::fmt::format($crate::__export::format_args!($($arg)*)))
|
|
}
|
|
#[rustc_builtin_macro]
|
|
#[macro_export]
|
|
macro_rules! format_args {
|
|
($fmt:expr) => ({ /* compiler built-in */ });
|
|
($fmt:expr, $($args:tt)*) => ({ /* compiler built-in */ })
|
|
}
|
|
pub mod __export {
|
|
pub use crate::format_args;
|
|
fn foo() {} // for index confusion
|
|
}
|
|
fn foo() -> i8 {}
|
|
//^^^
|
|
fn test() {
|
|
format!("{}", fo$0o())
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_through_included_file() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
#[rustc_builtin_macro]
|
|
macro_rules! include {}
|
|
|
|
include!("foo.rs");
|
|
|
|
fn f() {
|
|
foo$0();
|
|
}
|
|
|
|
mod confuse_index {
|
|
pub fn foo() {}
|
|
}
|
|
|
|
//- /foo.rs
|
|
fn foo() {}
|
|
//^^^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_through_included_file_struct_with_doc_comment() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
#[rustc_builtin_macro]
|
|
macro_rules! include {}
|
|
|
|
include!("foo.rs");
|
|
|
|
fn f() {
|
|
let x = Foo$0;
|
|
}
|
|
|
|
mod confuse_index {
|
|
pub struct Foo;
|
|
}
|
|
|
|
//- /foo.rs
|
|
/// This is a doc comment
|
|
pub struct Foo;
|
|
//^^^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_for_type_param() {
|
|
check(
|
|
r#"
|
|
struct Foo<T: Clone> { t: $0T }
|
|
//^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_within_macro() {
|
|
check(
|
|
r#"
|
|
macro_rules! id {
|
|
($($tt:tt)*) => ($($tt)*)
|
|
}
|
|
|
|
fn foo() {
|
|
let x = 1;
|
|
//^
|
|
id!({
|
|
let y = $0x;
|
|
let z = y;
|
|
});
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
macro_rules! id {
|
|
($($tt:tt)*) => ($($tt)*)
|
|
}
|
|
|
|
fn foo() {
|
|
let x = 1;
|
|
id!({
|
|
let y = x;
|
|
//^
|
|
let z = $0y;
|
|
});
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_in_local_fn() {
|
|
check(
|
|
r#"
|
|
fn main() {
|
|
fn foo() {
|
|
let x = 92;
|
|
//^
|
|
$0x;
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_in_local_macro() {
|
|
check(
|
|
r#"
|
|
fn bar() {
|
|
macro_rules! foo { () => { () } }
|
|
//^^^
|
|
$0foo!();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_field_init_shorthand() {
|
|
check(
|
|
r#"
|
|
struct Foo { x: i32 }
|
|
//^
|
|
fn main() {
|
|
let x = 92;
|
|
//^
|
|
Foo { x$0 };
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_enum_variant_field() {
|
|
check(
|
|
r#"
|
|
enum Foo {
|
|
Bar { x: i32 }
|
|
//^
|
|
}
|
|
fn baz(foo: Foo) {
|
|
match foo {
|
|
Foo::Bar { x$0 } => x
|
|
//^
|
|
};
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_enum_variant_self_pattern_const() {
|
|
check(
|
|
r#"
|
|
enum Foo { Bar }
|
|
//^^^
|
|
impl Foo {
|
|
fn baz(self) {
|
|
match self { Self::Bar$0 => {} }
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_enum_variant_self_pattern_record() {
|
|
check(
|
|
r#"
|
|
enum Foo { Bar { val: i32 } }
|
|
//^^^
|
|
impl Foo {
|
|
fn baz(self) -> i32 {
|
|
match self { Self::Bar$0 { val } => {} }
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_enum_variant_self_expr_const() {
|
|
check(
|
|
r#"
|
|
enum Foo { Bar }
|
|
//^^^
|
|
impl Foo {
|
|
fn baz(self) { Self::Bar$0; }
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_enum_variant_self_expr_record() {
|
|
check(
|
|
r#"
|
|
enum Foo { Bar { val: i32 } }
|
|
//^^^
|
|
impl Foo {
|
|
fn baz(self) { Self::Bar$0 {val: 4}; }
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_type_alias_generic_parameter() {
|
|
check(
|
|
r#"
|
|
type Alias<T> = T$0;
|
|
//^
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_macro_container() {
|
|
check(
|
|
r#"
|
|
//- /lib.rs crate:main deps:foo
|
|
foo::module$0::mac!();
|
|
|
|
//- /foo/lib.rs crate:foo
|
|
pub mod module {
|
|
//^^^^^^
|
|
#[macro_export]
|
|
macro_rules! _mac { () => { () } }
|
|
pub use crate::_mac as mac;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_assoc_ty_in_path() {
|
|
check(
|
|
r#"
|
|
trait Iterator {
|
|
type Item;
|
|
//^^^^
|
|
}
|
|
|
|
fn f() -> impl Iterator<Item$0 = u8> {}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_super_assoc_ty_in_path() {
|
|
check(
|
|
r#"
|
|
trait Super {
|
|
type Item;
|
|
//^^^^
|
|
}
|
|
|
|
trait Sub: Super {}
|
|
|
|
fn f() -> impl Sub<Item$0 = u8> {}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_module_declaration_in_path_if_types_and_values_same_name() {
|
|
check(
|
|
r#"
|
|
mod bar {
|
|
pub struct Foo {}
|
|
//^^^
|
|
pub fn Foo() {}
|
|
}
|
|
|
|
fn baz() {
|
|
let _foo_enum: bar::Foo$0 = bar::Foo {};
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn unknown_assoc_ty() {
|
|
check_unresolved(
|
|
r#"
|
|
trait Iterator { type Item; }
|
|
fn f() -> impl Iterator<Invalid$0 = u8> {}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_assoc_ty_in_path_multiple() {
|
|
check(
|
|
r#"
|
|
trait Iterator {
|
|
type A;
|
|
//^
|
|
type B;
|
|
}
|
|
|
|
fn f() -> impl Iterator<A$0 = u8, B = ()> {}
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
trait Iterator {
|
|
type A;
|
|
type B;
|
|
//^
|
|
}
|
|
|
|
fn f() -> impl Iterator<A = u8, B$0 = ()> {}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_assoc_ty_ufcs() {
|
|
check(
|
|
r#"
|
|
trait Iterator {
|
|
type Item;
|
|
//^^^^
|
|
}
|
|
|
|
fn g() -> <() as Iterator<Item$0 = ()>>::Item {}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_assoc_ty_ufcs_multiple() {
|
|
check(
|
|
r#"
|
|
trait Iterator {
|
|
type A;
|
|
//^
|
|
type B;
|
|
}
|
|
|
|
fn g() -> <() as Iterator<A$0 = (), B = u8>>::B {}
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
trait Iterator {
|
|
type A;
|
|
type B;
|
|
//^
|
|
}
|
|
|
|
fn g() -> <() as Iterator<A = (), B$0 = u8>>::A {}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_self_param_ty_specified() {
|
|
check(
|
|
r#"
|
|
struct Foo {}
|
|
|
|
impl Foo {
|
|
fn bar(self: &Foo) {
|
|
//^^^^
|
|
let foo = sel$0f;
|
|
}
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_self_param_on_decl() {
|
|
check(
|
|
r#"
|
|
struct Foo {}
|
|
|
|
impl Foo {
|
|
fn bar(&self$0) {
|
|
//^^^^
|
|
}
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_lifetime_param_on_decl() {
|
|
check(
|
|
r#"
|
|
fn foo<'foobar$0>(_: &'foobar ()) {
|
|
//^^^^^^^
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_lifetime_param_decl() {
|
|
check(
|
|
r#"
|
|
fn foo<'foobar>(_: &'foobar$0 ()) {
|
|
//^^^^^^^
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_lifetime_param_decl_nested() {
|
|
check(
|
|
r#"
|
|
fn foo<'foobar>(_: &'foobar ()) {
|
|
fn foo<'foobar>(_: &'foobar$0 ()) {}
|
|
//^^^^^^^
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_lifetime_hrtb() {
|
|
// FIXME: requires the HIR to somehow track these hrtb lifetimes
|
|
check_unresolved(
|
|
r#"
|
|
trait Foo<T> {}
|
|
fn foo<T>() where for<'a> T: Foo<&'a$0 (u8, u16)>, {}
|
|
//^^
|
|
"#,
|
|
);
|
|
check_unresolved(
|
|
r#"
|
|
trait Foo<T> {}
|
|
fn foo<T>() where for<'a$0> T: Foo<&'a (u8, u16)>, {}
|
|
//^^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_lifetime_hrtb_for_type() {
|
|
// FIXME: requires ForTypes to be implemented
|
|
check_unresolved(
|
|
r#"trait Foo<T> {}
|
|
fn foo<T>() where T: for<'a> Foo<&'a$0 (u8, u16)>, {}
|
|
//^^
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_label() {
|
|
check(
|
|
r#"
|
|
fn foo<'foo>(_: &'foo ()) {
|
|
'foo: {
|
|
//^^^^
|
|
'bar: loop {
|
|
break 'foo$0;
|
|
}
|
|
}
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_intra_doc_link_same_file() {
|
|
check(
|
|
r#"
|
|
/// Blah, [`bar`](bar) .. [`foo`](foo$0) has [`bar`](bar)
|
|
pub fn bar() { }
|
|
|
|
/// You might want to see [`std::fs::read()`] too.
|
|
pub fn foo() { }
|
|
//^^^
|
|
|
|
}"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_for_intra_doc_link_inner() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
mod m;
|
|
struct S;
|
|
//^
|
|
|
|
//- /m.rs
|
|
//! [`super::S$0`]
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_incomplete_field() {
|
|
check(
|
|
r#"
|
|
struct A { a: u32 }
|
|
//^
|
|
fn foo() { A { a$0: }; }
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_proc_macro() {
|
|
check(
|
|
r#"
|
|
//- /main.rs crate:main deps:mac
|
|
use mac::fn_macro;
|
|
|
|
fn_macro$0!();
|
|
|
|
//- /mac.rs crate:mac
|
|
#![crate_type="proc-macro"]
|
|
#[proc_macro]
|
|
fn fn_macro() {}
|
|
//^^^^^^^^
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn goto_intra_doc_links() {
|
|
check(
|
|
r#"
|
|
|
|
pub mod theitem {
|
|
/// This is the item. Cool!
|
|
pub struct TheItem;
|
|
//^^^^^^^
|
|
}
|
|
|
|
/// Gives you a [`TheItem$0`].
|
|
///
|
|
/// [`TheItem`]: theitem::TheItem
|
|
pub fn gimme() -> theitem::TheItem {
|
|
theitem::TheItem
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_ident_from_pat_macro() {
|
|
check(
|
|
r#"
|
|
macro_rules! pat {
|
|
($name:ident) => { Enum::Variant1($name) }
|
|
}
|
|
|
|
enum Enum {
|
|
Variant1(u8),
|
|
Variant2,
|
|
}
|
|
|
|
fn f(e: Enum) {
|
|
match e {
|
|
pat!(bind) => {
|
|
//^^^^
|
|
bind$0
|
|
}
|
|
Enum::Variant2 => {}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_include() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
|
|
#[rustc_builtin_macro]
|
|
macro_rules! include_str {}
|
|
|
|
fn main() {
|
|
let str = include_str!("foo.txt$0");
|
|
}
|
|
//- /foo.txt
|
|
// empty
|
|
//^file
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_doc_include_str() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
#[rustc_builtin_macro]
|
|
macro_rules! include_str {}
|
|
|
|
#[doc = include_str!("docs.md$0")]
|
|
struct Item;
|
|
|
|
//- /docs.md
|
|
// docs
|
|
//^file
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_shadow_include() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
macro_rules! include {
|
|
("included.rs") => {}
|
|
}
|
|
|
|
include!("included.rs$0");
|
|
|
|
//- /included.rs
|
|
// empty
|
|
"#,
|
|
);
|
|
}
|
|
|
|
mod goto_impl_of_trait_fn {
|
|
use super::check;
|
|
#[test]
|
|
fn cursor_on_impl() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
fn a();
|
|
}
|
|
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
fn a$0();
|
|
//^
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
#[test]
|
|
fn method_call() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
fn a(&self);
|
|
}
|
|
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
fn a(&self){};
|
|
//^
|
|
}
|
|
fn f() {
|
|
let s = Stwuct;
|
|
s.a$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
#[test]
|
|
fn method_call_inside_block() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
fn a(&self);
|
|
}
|
|
|
|
fn outer() {
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
fn a(&self){}
|
|
//^
|
|
}
|
|
fn f() {
|
|
let s = Stwuct;
|
|
s.a$0();
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
#[test]
|
|
fn path_call() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
fn a(&self);
|
|
}
|
|
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
fn a(&self){};
|
|
//^
|
|
}
|
|
fn f() {
|
|
let s = Stwuct;
|
|
Stwuct::a$0(&s);
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
#[test]
|
|
fn where_clause_can_work() {
|
|
check(
|
|
r#"
|
|
trait G {
|
|
fn g(&self);
|
|
}
|
|
trait Bound{}
|
|
trait EA{}
|
|
struct Gen<T>(T);
|
|
impl <T:EA> G for Gen<T> {
|
|
fn g(&self) {
|
|
}
|
|
}
|
|
impl <T> G for Gen<T>
|
|
where T : Bound
|
|
{
|
|
fn g(&self){
|
|
//^
|
|
}
|
|
}
|
|
struct A;
|
|
impl Bound for A{}
|
|
fn f() {
|
|
let gen = Gen::<A>(A);
|
|
gen.g$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
#[test]
|
|
fn wc_case_is_ok() {
|
|
check(
|
|
r#"
|
|
trait G {
|
|
fn g(&self);
|
|
}
|
|
trait BParent{}
|
|
trait Bound: BParent{}
|
|
struct Gen<T>(T);
|
|
impl <T> G for Gen<T>
|
|
where T : Bound
|
|
{
|
|
fn g(&self){
|
|
//^
|
|
}
|
|
}
|
|
struct A;
|
|
impl Bound for A{}
|
|
fn f() {
|
|
let gen = Gen::<A>(A);
|
|
gen.g$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn method_call_defaulted() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
fn a(&self) {}
|
|
//^
|
|
}
|
|
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
}
|
|
fn f() {
|
|
let s = Stwuct;
|
|
s.a$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn method_call_on_generic() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
fn a(&self) {}
|
|
//^
|
|
}
|
|
|
|
fn f<T: Twait>(s: T) {
|
|
s.a$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_of_trait_impl_const() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
const NOMS: bool;
|
|
// ^^^^
|
|
}
|
|
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
const NOMS$0: bool = true;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_of_trait_impl_type_alias() {
|
|
check(
|
|
r#"
|
|
trait Twait {
|
|
type IsBad;
|
|
// ^^^^^
|
|
}
|
|
|
|
struct Stwuct;
|
|
|
|
impl Twait for Stwuct {
|
|
type IsBad$0 = !;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_derive_input() {
|
|
check(
|
|
r#"
|
|
//- minicore:derive
|
|
#[rustc_builtin_macro]
|
|
pub macro Copy {}
|
|
// ^^^^
|
|
#[derive(Copy$0)]
|
|
struct Foo;
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
//- minicore:derive
|
|
#[rustc_builtin_macro]
|
|
pub macro Copy {}
|
|
// ^^^^
|
|
#[cfg_attr(feature = "false", derive)]
|
|
#[derive(Copy$0)]
|
|
struct Foo;
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
//- minicore:derive
|
|
mod foo {
|
|
#[rustc_builtin_macro]
|
|
pub macro Copy {}
|
|
// ^^^^
|
|
}
|
|
#[derive(foo::Copy$0)]
|
|
struct Foo;
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
//- minicore:derive
|
|
mod foo {
|
|
// ^^^
|
|
#[rustc_builtin_macro]
|
|
pub macro Copy {}
|
|
}
|
|
#[derive(foo$0::Copy)]
|
|
struct Foo;
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_def_in_macro_multi() {
|
|
check(
|
|
r#"
|
|
struct Foo {
|
|
foo: ()
|
|
//^^^
|
|
}
|
|
macro_rules! foo {
|
|
($ident:ident) => {
|
|
fn $ident(Foo { $ident }: Foo) {}
|
|
}
|
|
}
|
|
foo!(foo$0);
|
|
//^^^
|
|
//^^^
|
|
"#,
|
|
);
|
|
check(
|
|
r#"
|
|
fn bar() {}
|
|
//^^^
|
|
struct bar;
|
|
//^^^
|
|
macro_rules! foo {
|
|
($ident:ident) => {
|
|
fn foo() {
|
|
let _: $ident = $ident;
|
|
}
|
|
}
|
|
}
|
|
|
|
foo!(bar$0);
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_await_poll() {
|
|
check(
|
|
r#"
|
|
//- minicore: future
|
|
|
|
struct MyFut;
|
|
|
|
impl core::future::Future for MyFut {
|
|
type Output = ();
|
|
|
|
fn poll(
|
|
//^^^^
|
|
self: std::pin::Pin<&mut Self>,
|
|
cx: &mut std::task::Context<'_>
|
|
) -> std::task::Poll<Self::Output>
|
|
{
|
|
()
|
|
}
|
|
}
|
|
|
|
fn f() {
|
|
MyFut.await$0;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_await_into_future_poll() {
|
|
check(
|
|
r#"
|
|
//- minicore: future
|
|
|
|
struct Futurable;
|
|
|
|
impl core::future::IntoFuture for Futurable {
|
|
type IntoFuture = MyFut;
|
|
}
|
|
|
|
struct MyFut;
|
|
|
|
impl core::future::Future for MyFut {
|
|
type Output = ();
|
|
|
|
fn poll(
|
|
//^^^^
|
|
self: std::pin::Pin<&mut Self>,
|
|
cx: &mut std::task::Context<'_>
|
|
) -> std::task::Poll<Self::Output>
|
|
{
|
|
()
|
|
}
|
|
}
|
|
|
|
fn f() {
|
|
Futurable.await$0;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_try_op() {
|
|
check(
|
|
r#"
|
|
//- minicore: try
|
|
|
|
struct Struct;
|
|
|
|
impl core::ops::Try for Struct {
|
|
fn branch(
|
|
//^^^^^^
|
|
self
|
|
) {}
|
|
}
|
|
|
|
fn f() {
|
|
Struct?$0;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_index_op() {
|
|
check(
|
|
r#"
|
|
//- minicore: index
|
|
|
|
struct Struct;
|
|
|
|
impl core::ops::Index<usize> for Struct {
|
|
fn index(
|
|
//^^^^^
|
|
self
|
|
) {}
|
|
}
|
|
|
|
fn f() {
|
|
Struct[0]$0;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_prefix_op() {
|
|
check(
|
|
r#"
|
|
//- minicore: deref
|
|
|
|
struct Struct;
|
|
|
|
impl core::ops::Deref for Struct {
|
|
fn deref(
|
|
//^^^^^
|
|
self
|
|
) {}
|
|
}
|
|
|
|
fn f() {
|
|
$0*Struct;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_bin_op() {
|
|
check(
|
|
r#"
|
|
//- minicore: add
|
|
|
|
struct Struct;
|
|
|
|
impl core::ops::Add for Struct {
|
|
fn add(
|
|
//^^^
|
|
self
|
|
) {}
|
|
}
|
|
|
|
fn f() {
|
|
Struct +$0 Struct;
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn goto_bin_op_multiple_impl() {
|
|
check(
|
|
r#"
|
|
//- minicore: add
|
|
struct S;
|
|
impl core::ops::Add for S {
|
|
fn add(
|
|
//^^^
|
|
) {}
|
|
}
|
|
impl core::ops::Add<usize> for S {
|
|
fn add(
|
|
) {}
|
|
}
|
|
|
|
fn f() {
|
|
S +$0 S
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
//- minicore: add
|
|
struct S;
|
|
impl core::ops::Add for S {
|
|
fn add(
|
|
) {}
|
|
}
|
|
impl core::ops::Add<usize> for S {
|
|
fn add(
|
|
//^^^
|
|
) {}
|
|
}
|
|
|
|
fn f() {
|
|
S +$0 0usize
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn path_call_multiple_trait_impl() {
|
|
check(
|
|
r#"
|
|
trait Trait<T> {
|
|
fn f(_: T);
|
|
}
|
|
impl Trait<i32> for usize {
|
|
fn f(_: i32) {}
|
|
//^
|
|
}
|
|
impl Trait<i64> for usize {
|
|
fn f(_: i64) {}
|
|
}
|
|
fn main() {
|
|
usize::f$0(0i32);
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
trait Trait<T> {
|
|
fn f(_: T);
|
|
}
|
|
impl Trait<i32> for usize {
|
|
fn f(_: i32) {}
|
|
}
|
|
impl Trait<i64> for usize {
|
|
fn f(_: i64) {}
|
|
//^
|
|
}
|
|
fn main() {
|
|
usize::f$0(0i64);
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn query_impls_in_nearest_block() {
|
|
check(
|
|
r#"
|
|
struct S1;
|
|
impl S1 {
|
|
fn e() -> () {}
|
|
}
|
|
fn f1() {
|
|
struct S1;
|
|
impl S1 {
|
|
fn e() -> () {}
|
|
//^
|
|
}
|
|
fn f2() {
|
|
fn f3() {
|
|
S1::e$0();
|
|
}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
struct S1;
|
|
impl S1 {
|
|
fn e() -> () {}
|
|
}
|
|
fn f1() {
|
|
struct S1;
|
|
impl S1 {
|
|
fn e() -> () {}
|
|
//^
|
|
}
|
|
fn f2() {
|
|
struct S2;
|
|
S1::e$0();
|
|
}
|
|
}
|
|
fn f12() {
|
|
struct S1;
|
|
impl S1 {
|
|
fn e() -> () {}
|
|
}
|
|
}
|
|
"#,
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
struct S1;
|
|
impl S1 {
|
|
fn e() -> () {}
|
|
//^
|
|
}
|
|
fn f2() {
|
|
struct S2;
|
|
S1::e$0();
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
}
|