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Merge #10781
10781: internal: Do not use reference search in `runnables::related_tests` r=Veykril a=Veykril bors r+ Co-authored-by: Lukas Wirth <[email protected]>
bors[bot] 2021-11-17
parent 1c49667 · parent 366499c · commit add6ccc
-rw-r--r--crates/hir/src/semantics.rs1
-rw-r--r--crates/ide/src/highlight_related.rs69
-rw-r--r--crates/ide/src/references.rs98
-rw-r--r--crates/ide/src/runnables.rs106
4 files changed, 122 insertions, 152 deletions
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs
index 0cf868e64e..281e6c65dc 100644
--- a/crates/hir/src/semantics.rs
+++ b/crates/hir/src/semantics.rs
@@ -228,6 +228,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
token.parent().into_iter().flat_map(move |it| self.ancestors_with_macros(it))
}
+ /// Iterates the ancestors of the given node, climbing up macro expansions while doing so.
pub fn ancestors_with_macros(&self, node: SyntaxNode) -> impl Iterator<Item = SyntaxNode> + '_ {
self.imp.ancestors_with_macros(node)
}
diff --git a/crates/ide/src/highlight_related.rs b/crates/ide/src/highlight_related.rs
index 5ff6fd10bc..7d4d52ff50 100644
--- a/crates/ide/src/highlight_related.rs
+++ b/crates/ide/src/highlight_related.rs
@@ -1,7 +1,7 @@
use hir::Semantics;
use ide_db::{
- base_db::FilePosition,
- defs::{Definition, NameClass, NameRefClass},
+ base_db::{FileId, FilePosition},
+ defs::Definition,
helpers::{for_each_break_expr, for_each_tail_expr, node_ext::walk_expr, pick_best_token},
search::{FileReference, ReferenceCategory, SearchScope},
RootDatabase,
@@ -11,7 +11,7 @@ use syntax::{
ast::{self, HasLoopBody},
match_ast, AstNode,
SyntaxKind::IDENT,
- SyntaxNode, SyntaxToken, TextRange, TextSize, T,
+ SyntaxNode, SyntaxToken, TextRange, T,
};
use crate::{display::TryToNav, references, NavigationTarget};
@@ -45,12 +45,12 @@ pub struct HighlightRelatedConfig {
pub(crate) fn highlight_related(
sema: &Semantics<RootDatabase>,
config: HighlightRelatedConfig,
- position: FilePosition,
+ FilePosition { offset, file_id }: FilePosition,
) -> Option<Vec<HighlightedRange>> {
let _p = profile::span("highlight_related");
- let syntax = sema.parse(position.file_id).syntax().clone();
+ let syntax = sema.parse(file_id).syntax().clone();
- let token = pick_best_token(syntax.token_at_offset(position.offset), |kind| match kind {
+ let token = pick_best_token(syntax.token_at_offset(offset), |kind| match kind {
T![?] => 4, // prefer `?` when the cursor is sandwiched like in `await$0?`
T![->] => 3,
kind if kind.is_keyword() => 2,
@@ -68,17 +68,18 @@ pub(crate) fn highlight_related(
highlight_break_points(token)
}
T![break] | T![loop] | T![while] if config.break_points => highlight_break_points(token),
- _ if config.references => highlight_references(sema, &syntax, position),
+ _ if config.references => highlight_references(sema, &syntax, token, file_id),
_ => None,
}
}
fn highlight_references(
sema: &Semantics<RootDatabase>,
- syntax: &SyntaxNode,
- FilePosition { offset, file_id }: FilePosition,
+ node: &SyntaxNode,
+ token: SyntaxToken,
+ file_id: FileId,
) -> Option<Vec<HighlightedRange>> {
- let defs = find_defs(sema, syntax, offset);
+ let defs = find_defs(sema, token.clone());
let usages = defs
.iter()
.filter_map(|&d| {
@@ -105,11 +106,8 @@ fn highlight_references(
.filter(|decl| decl.file_id == file_id)
.and_then(|decl| {
let range = decl.focus_range?;
- let category = if references::decl_mutability(&def, syntax, range) {
- Some(ReferenceCategory::Write)
- } else {
- None
- };
+ let category =
+ references::decl_mutability(&def, node, range).then(|| ReferenceCategory::Write);
Some(HighlightedRange { range, category })
})
});
@@ -293,43 +291,10 @@ fn cover_range(r0: Option<TextRange>, r1: Option<TextRange>) -> Option<TextRange
}
}
-fn find_defs(
- sema: &Semantics<RootDatabase>,
- syntax: &SyntaxNode,
- offset: TextSize,
-) -> FxHashSet<Definition> {
- sema.find_nodes_at_offset_with_descend(syntax, offset)
- .flat_map(|name_like| {
- Some(match name_like {
- ast::NameLike::NameRef(name_ref) => {
- match NameRefClass::classify(sema, &name_ref)? {
- NameRefClass::Definition(def) => vec![def],
- NameRefClass::FieldShorthand { local_ref, field_ref } => {
- vec![Definition::Local(local_ref), Definition::Field(field_ref)]
- }
- }
- }
- ast::NameLike::Name(name) => match NameClass::classify(sema, &name)? {
- NameClass::Definition(it) | NameClass::ConstReference(it) => vec![it],
- NameClass::PatFieldShorthand { local_def, field_ref } => {
- vec![Definition::Local(local_def), Definition::Field(field_ref)]
- }
- },
- ast::NameLike::Lifetime(lifetime) => {
- NameRefClass::classify_lifetime(sema, &lifetime)
- .and_then(|class| match class {
- NameRefClass::Definition(it) => Some(it),
- _ => None,
- })
- .or_else(|| {
- NameClass::classify_lifetime(sema, &lifetime)
- .and_then(NameClass::defined)
- })
- .map(|it| vec![it])?
- }
- })
- })
- .flatten()
+fn find_defs(sema: &Semantics<RootDatabase>, token: SyntaxToken) -> FxHashSet<Definition> {
+ sema.descend_into_macros(token)
+ .into_iter()
+ .flat_map(|token| Definition::from_token(sema, &token))
.collect()
}
diff --git a/crates/ide/src/references.rs b/crates/ide/src/references.rs
index d1219044fe..0e3b73d235 100644
--- a/crates/ide/src/references.rs
+++ b/crates/ide/src/references.rs
@@ -9,9 +9,6 @@
//! at the index that the match starts at and its tree parent is
//! resolved to the search element definition, we get a reference.
-use std::iter;
-
-use either::Either;
use hir::{PathResolution, Semantics};
use ide_db::{
base_db::FileId,
@@ -58,60 +55,58 @@ pub(crate) fn find_all_refs(
) -> Option<Vec<ReferenceSearchResult>> {
let _p = profile::span("find_all_refs");
let syntax = sema.parse(position.file_id).syntax().clone();
+ let make_searcher = |literal_search: bool| {
+ move |def: Definition| {
+ let mut usages =
+ def.usages(sema).set_scope(search_scope.clone()).include_self_refs().all();
+ let declaration = match def {
+ Definition::Module(module) => {
+ Some(NavigationTarget::from_module_to_decl(sema.db, module))
+ }
+ def => def.try_to_nav(sema.db),
+ }
+ .map(|nav| {
+ let decl_range = nav.focus_or_full_range();
+ Declaration {
+ is_mut: decl_mutability(&def, sema.parse(nav.file_id).syntax(), decl_range),
+ nav,
+ }
+ });
+ if literal_search {
+ retain_adt_literal_usages(&mut usages, def, sema);
+ }
+
+ let references = usages
+ .into_iter()
+ .map(|(file_id, refs)| {
+ (
+ file_id,
+ refs.into_iter()
+ .map(|file_ref| (file_ref.range, file_ref.category))
+ .collect(),
+ )
+ })
+ .collect();
+
+ ReferenceSearchResult { declaration, references }
+ }
+ };
- let mut is_literal_search = false;
- let defs = match name_for_constructor_search(&syntax, position) {
+ match name_for_constructor_search(&syntax, position) {
Some(name) => {
- is_literal_search = true;
let def = match NameClass::classify(sema, &name)? {
NameClass::Definition(it) | NameClass::ConstReference(it) => it,
NameClass::PatFieldShorthand { local_def: _, field_ref } => {
Definition::Field(field_ref)
}
};
- Either::Left(iter::once(def))
+ Some(vec![make_searcher(true)(def)])
}
- None => Either::Right(find_defs(sema, &syntax, position.offset)),
- };
-
- Some(
- defs.into_iter()
- .map(|def| {
- let mut usages =
- def.usages(sema).set_scope(search_scope.clone()).include_self_refs().all();
- let declaration = match def {
- Definition::Module(module) => {
- Some(NavigationTarget::from_module_to_decl(sema.db, module))
- }
- def => def.try_to_nav(sema.db),
- }
- .map(|nav| {
- let decl_range = nav.focus_or_full_range();
- Declaration {
- is_mut: decl_mutability(&def, sema.parse(nav.file_id).syntax(), decl_range),
- nav,
- }
- });
- if is_literal_search {
- retain_adt_literal_usages(&mut usages, def, sema);
- }
-
- let references = usages
- .into_iter()
- .map(|(file_id, refs)| {
- (
- file_id,
- refs.into_iter()
- .map(|file_ref| (file_ref.range, file_ref.category))
- .collect(),
- )
- })
- .collect();
-
- ReferenceSearchResult { declaration, references }
- })
- .collect(),
- )
+ None => {
+ let search = make_searcher(false);
+ Some(find_defs(sema, &syntax, position.offset).into_iter().map(search).collect())
+ }
+ }
}
pub(crate) fn find_defs<'a>(
@@ -119,8 +114,8 @@ pub(crate) fn find_defs<'a>(
syntax: &SyntaxNode,
offset: TextSize,
) -> impl Iterator<Item = Definition> + 'a {
- sema.find_nodes_at_offset_with_descend(syntax, offset).filter_map(move |node| {
- Some(match node {
+ sema.find_nodes_at_offset_with_descend(syntax, offset).filter_map(move |name_like| {
+ let def = match name_like {
ast::NameLike::NameRef(name_ref) => match NameRefClass::classify(sema, &name_ref)? {
NameRefClass::Definition(def) => def,
NameRefClass::FieldShorthand { local_ref, field_ref: _ } => {
@@ -141,7 +136,8 @@ pub(crate) fn find_defs<'a>(
.or_else(|| {
NameClass::classify_lifetime(sema, &lifetime).and_then(NameClass::defined)
})?,
- })
+ };
+ Some(def)
})
}
diff --git a/crates/ide/src/runnables.rs b/crates/ide/src/runnables.rs
index 21130e0607..b2111bc4ee 100644
--- a/crates/ide/src/runnables.rs
+++ b/crates/ide/src/runnables.rs
@@ -2,7 +2,7 @@ use std::fmt;
use ast::HasName;
use cfg::CfgExpr;
-use hir::{AsAssocItem, HasAttrs, HasSource, HirDisplay, InFile, Semantics};
+use hir::{AsAssocItem, HasAttrs, HasSource, HirDisplay, Semantics};
use ide_assists::utils::test_related_attribute;
use ide_db::{
base_db::{FilePosition, FileRange},
@@ -14,7 +14,10 @@ use ide_db::{
use itertools::Itertools;
use rustc_hash::{FxHashMap, FxHashSet};
use stdx::{always, format_to};
-use syntax::ast::{self, AstNode, HasAttrs as _};
+use syntax::{
+ ast::{self, AstNode, HasAttrs as _},
+ SmolStr, SyntaxNode,
+};
use crate::{
display::{ToNav, TryToNav},
@@ -31,7 +34,7 @@ pub struct Runnable {
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub enum TestId {
- Name(String),
+ Name(SmolStr),
Path(String),
}
@@ -206,68 +209,71 @@ pub(crate) fn related_tests(
) -> Vec<Runnable> {
let sema = Semantics::new(db);
let mut res: FxHashSet<Runnable> = FxHashSet::default();
+ let syntax = sema.parse(position.file_id).syntax().clone();
- find_related_tests(&sema, position, search_scope, &mut res);
+ find_related_tests(&sema, &syntax, position, search_scope, &mut res);
- res.into_iter().collect_vec()
+ res.into_iter().collect()
}
fn find_related_tests(
sema: &Semantics<RootDatabase>,
+ syntax: &SyntaxNode,
position: FilePosition,
search_scope: Option<SearchScope>,
tests: &mut FxHashSet<Runnable>,
) {
- if let Some(refs) = references::find_all_refs(sema, position, search_scope) {
- for (file_id, refs) in refs.into_iter().flat_map(|refs| refs.references) {
- let file = sema.parse(file_id);
- let file = file.syntax();
-
- // create flattened vec of tokens
- let tokens = refs.iter().flat_map(|(range, _)| {
- match file.token_at_offset(range.start()).next() {
- Some(token) => sema.descend_into_macros(token),
- None => Default::default(),
- }
- });
-
- // find first suitable ancestor
- let functions = tokens
- .filter_map(|token| token.ancestors().find_map(ast::Fn::cast))
- .map(|f| hir::InFile::new(sema.hir_file_for(f.syntax()), f));
-
- for fn_def in functions {
- let InFile { value: fn_def, .. } = &fn_def;
- if let Some(runnable) = as_test_runnable(sema, fn_def) {
+ let defs = references::find_defs(sema, syntax, position.offset);
+ for def in defs {
+ let defs = def
+ .usages(sema)
+ .set_scope(search_scope.clone())
+ .all()
+ .references
+ .into_values()
+ .flatten();
+ for ref_ in defs {
+ let name_ref = match ref_.name {
+ ast::NameLike::NameRef(name_ref) => name_ref,
+ _ => continue,
+ };
+ if let Some(fn_def) =
+ sema.ancestors_with_macros(name_ref.syntax().clone()).find_map(ast::Fn::cast)
+ {
+ if let Some(runnable) = as_test_runnable(sema, &fn_def) {
// direct test
tests.insert(runnable);
- } else if let Some(module) = parent_test_module(sema, fn_def) {
+ } else if let Some(module) = parent_test_module(sema, &fn_def) {
// indirect test
- find_related_tests_in_module(sema, fn_def, &module, tests);
+ find_related_tests_in_module(sema, syntax, &fn_def, &module, tests);
}
}
}
}
}
+
fn find_related_tests_in_module(
sema: &Semantics<RootDatabase>,
+ syntax: &SyntaxNode,
fn_def: &ast::Fn,
parent_module: &hir::Module,
tests: &mut FxHashSet<Runnable>,
) {
- if let Some(fn_name) = fn_def.name() {
- let mod_source = parent_module.definition_source(sema.db);
- let range = match mod_source.value {
- hir::ModuleSource::Module(m) => m.syntax().text_range(),
- hir::ModuleSource::BlockExpr(b) => b.syntax().text_range(),
- hir::ModuleSource::SourceFile(f) => f.syntax().text_range(),
- };
+ let fn_name = match fn_def.name() {
+ Some(it) => it,
+ _ => return,
+ };
+ let mod_source = parent_module.definition_source(sema.db);
+ let range = match &mod_source.value {
+ hir::ModuleSource::Module(m) => m.syntax().text_range(),
+ hir::ModuleSource::BlockExpr(b) => b.syntax().text_range(),
+ hir::ModuleSource::SourceFile(f) => f.syntax().text_range(),
+ };
- let file_id = mod_source.file_id.original_file(sema.db);
- let mod_scope = SearchScope::file_range(FileRange { file_id, range });
- let fn_pos = FilePosition { file_id, offset: fn_name.syntax().text_range().start() };
- find_related_tests(sema, fn_pos, Some(mod_scope), tests)
- }
+ let file_id = mod_source.file_id.original_file(sema.db);
+ let mod_scope = SearchScope::file_range(FileRange { file_id, range });
+ let fn_pos = FilePosition { file_id, offset: fn_name.syntax().text_range().start() };
+ find_related_tests(sema, syntax, fn_pos, Some(mod_scope), tests)
}
fn as_test_runnable(sema: &Semantics<RootDatabase>, fn_def: &ast::Fn) -> Option<Runnable> {
@@ -294,24 +300,26 @@ fn parent_test_module(sema: &Semantics<RootDatabase>, fn_def: &ast::Fn) -> Optio
pub(crate) fn runnable_fn(sema: &Semantics<RootDatabase>, def: hir::Function) -> Option<Runnable> {
let func = def.source(sema.db)?;
- let name_string = def.name(sema.db).to_string();
+ let name = def.name(sema.db).to_smol_str();
let root = def.module(sema.db).krate().root_module(sema.db);
- let kind = if name_string == "main" && def.module(sema.db) == root {
+ let kind = if name == "main" && def.module(sema.db) == root {
RunnableKind::Bin
} else {
- let canonical_path = {
- let def: hir::ModuleDef = def.into();
- def.canonical_path(sema.db)
+ let test_id = || {
+ let canonical_path = {
+ let def: hir::ModuleDef = def.into();
+ def.canonical_path(sema.db)
+ };
+ canonical_path.map(TestId::Path).unwrap_or(TestId::Name(name))
};
- let test_id = canonical_path.map(TestId::Path).unwrap_or(TestId::Name(name_string));
if test_related_attribute(&func.value).is_some() {
let attr = TestAttr::from_fn(&func.value);
- RunnableKind::Test { test_id, attr }
+ RunnableKind::Test { test_id: test_id(), attr }
} else if func.value.has_atom_attr("bench") {
- RunnableKind::Bench { test_id }
+ RunnableKind::Bench { test_id: test_id() }
} else {
return None;
}
@@ -430,7 +438,7 @@ fn module_def_doctest(db: &RootDatabase, def: Definition) -> Option<Runnable> {
Some(path)
})();
- let test_id = path.map_or_else(|| TestId::Name(def_name.to_string()), TestId::Path);
+ let test_id = path.map_or_else(|| TestId::Name(def_name.to_smol_str()), TestId::Path);
let mut nav = match def {
Definition::Module(def) => NavigationTarget::from_module_to_decl(db, def),