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,
ast::{self, HasLoopBody},
match_ast, AstNode,
SyntaxKind::IDENT,
- SyntaxNode, SyntaxToken, TextRange, TextSize, T,
+ SyntaxNode, SyntaxToken, TextRange, T,
};
-use crate::{display::TryToNav, references, NavigationTarget};
+use crate::{references, NavigationTarget, TryToNav};
#[derive(PartialEq, Eq, Hash)]
pub struct HighlightedRange {
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,
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| {
let declarations = defs.iter().flat_map(|def| {
match def {
- &Definition::ModuleDef(hir::ModuleDef::Module(module)) => {
+ &Definition::Module(module) => {
Some(NavigationTarget::from_module_to_decl(sema.db, module))
}
def => def.try_to_nav(sema.db),
.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 })
})
});
}
}
-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()
}