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Simplify

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This commit is contained in:
Lukas Wirth 2021-11-16 21:26:34 +01:00
parent b57289c4cb
commit 0ff380fe17
3 changed files with 104 additions and 140 deletions
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69
crates/ide/src/highlight_related.rs
View File

@ -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 @@
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()
}

100
crates/ide/src/references.rs
View File

@ -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,
@ -58,69 +55,67 @@ 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 mut is_literal_search = false;
let defs = match name_for_constructor_search(&syntax, position) {
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 }
}
};
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>(
fn find_defs<'a>(
sema: &'a Semantics<RootDatabase>,
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)
})
}

75
crates/ide/src/runnables.rs
View File

@ -209,7 +209,7 @@ pub(crate) fn related_tests(
find_related_tests(&sema, position, search_scope, &mut res);
res.into_iter().collect_vec()
res.into_iter().collect()
}
fn find_related_tests(
@ -218,56 +218,59 @@ fn find_related_tests(
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();
let refs = match references::find_all_refs(sema, position, search_scope) {
Some(it) => it,
_ => return,
};
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(),
}
// 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));
// 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) {
// direct test
tests.insert(runnable);
} else if let Some(module) = parent_test_module(sema, fn_def) {
// indirect test
find_related_tests_in_module(sema, fn_def, &module, tests);
}
for InFile { value: fn_def, .. } in functions {
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) {
// indirect test
find_related_tests_in_module(sema, &fn_def, &module, tests);
}
}
}
}
fn find_related_tests_in_module(
sema: &Semantics<RootDatabase>,
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, fn_pos, Some(mod_scope), tests)
}
fn as_test_runnable(sema: &Semantics<RootDatabase>, fn_def: &ast::Fn) -> Option<Runnable> {