language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-29 05:15:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

fix: Fix syntax bridge assigning invalid span to lifetime tokens

Browse source
This commit is contained in:
Lukas Wirth 2023-12-12 21:54:27 +01:00
parent 98a8053143
commit c209b5f97c
2 changed files with 22 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

29
crates/hir-expand/src/span.rs
View file

@ -75,27 +75,40 @@ pub struct RealSpanMap {
/// Invariant: Sorted vec over TextSize
// FIXME: SortedVec<(TextSize, ErasedFileAstId)>?
pairs: Box<[(TextSize, ErasedFileAstId)]>,
end: TextSize,
}
impl RealSpanMap {
/// Creates a real file span map that returns absolute ranges (relative ranges to the root ast id).
pub fn absolute(file_id: FileId) -> Self {
RealSpanMap { file_id, pairs: Box::from([(TextSize::new(0), ROOT_ERASED_FILE_AST_ID)]) }
RealSpanMap {
file_id,
pairs: Box::from([(TextSize::new(0), ROOT_ERASED_FILE_AST_ID)]),
end: TextSize::new(!0),
}
}
pub fn from_file(db: &dyn ExpandDatabase, file_id: FileId) -> Self {
let mut pairs = vec![(TextSize::new(0), ROOT_ERASED_FILE_AST_ID)];
let ast_id_map = db.ast_id_map(file_id.into());
pairs.extend(
db.parse(file_id)
.tree()
.items()
.map(|item| (item.syntax().text_range().start(), ast_id_map.ast_id(&item).erase())),
);
RealSpanMap { file_id, pairs: pairs.into_boxed_slice() }
let tree = db.parse(file_id).tree();
pairs
.extend(tree.items().map(|item| {
(item.syntax().text_range().start(), ast_id_map.ast_id(&item).erase())
}));
RealSpanMap {
file_id,
pairs: pairs.into_boxed_slice(),
end: tree.syntax().text_range().end(),
}
}
pub fn span_for_range(&self, range: TextRange) -> SpanData {
assert!(
range.end() <= self.end,
"range {range:?} goes beyond the end of the file {:?}",
self.end
);
let start = range.start();
let idx = self
.pairs