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Fixed bug in ExpandedRangeMap

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This commit is contained in:
Edwin Cheng 2019-11-04 01:45:58 +08:00
parent ae609d7953
commit d560219d06
1 changed files with 16 additions and 34 deletions
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50
crates/ra_mbe/src/syntax_bridge.rs
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@ -157,15 +157,16 @@ impl ExpandedRangeMap {
self.ranges.push((relative_range, token_id.clone()))
}
pub fn ranges(&self, to: &TokenMap) -> Vec<(TextRange, TextRange)> {
pub fn ranges(&self, to: &TokenMap, start: TextUnit) -> Vec<(TextRange, TextRange)> {
dbg!(&self.ranges);
self.ranges
.iter()
.filter_map(|(r, tid)| {
if to.map_id == tid.map_id() {
if to.map_id != tid.map_id() {
return None;
}
if let Some(to_range) = to.relative_range_of(*tid) {
Some((*r, to_range))
Some((*r, TextRange::from_to(to_range.start() + start, to_range.end() + start)))
} else {
None
}
@ -320,7 +321,6 @@ struct TtTreeSink<'a> {
cursor: Cursor<'a>,
text_pos: TextUnit,
inner: SyntaxTreeBuilder,
range_marker: Option<(TextRange, tt::TokenId)>,
range_map: &'a mut ExpandedRangeMap,
// Number of roots
@ -337,7 +337,6 @@ impl<'a> TtTreeSink<'a> {
inner: SyntaxTreeBuilder::default(),
roots: smallvec::SmallVec::new(),
range_map,
range_marker: None,
}
}
}
@ -362,8 +361,6 @@ impl<'a> TreeSink for TtTreeSink<'a> {
return;
}
let mut last_ident = None;
for _ in 0..n_tokens {
if self.cursor.eof() {
break;
@ -371,12 +368,20 @@ impl<'a> TreeSink for TtTreeSink<'a> {
match self.cursor.token_tree() {
Some(tt::TokenTree::Leaf(leaf)) => {
// Mark the range if needed
if let tt::Leaf::Ident(ident) = leaf {
if kind == IDENT {
let range = TextRange::offset_len(
self.text_pos + TextUnit::of_str(&self.buf),
TextUnit::of_str(&ident.text),
);
let token_id = ident.id;
self.range_map.set(range, &token_id);
}
}
self.cursor = self.cursor.bump();
self.buf += &format!("{}", leaf);
if let tt::Leaf::Ident(ident) = leaf {
last_ident = Some(ident);
}
}
Some(tt::TokenTree::Subtree(subtree)) => {
self.cursor = self.cursor.subtree().unwrap();
@ -396,14 +401,6 @@ impl<'a> TreeSink for TtTreeSink<'a> {
self.buf.clear();
self.inner.token(kind, text);
// Mark the range if needed
if let Some((range, token_id)) = self.range_marker.as_mut() {
if let Some(ident) = last_ident {
*range = TextRange::offset_len(range.start(), TextUnit::of_str(&ident.text));
*token_id = ident.id;
}
}
// Add whitespace between adjoint puncts
let next = self.cursor.bump();
if let (
@ -421,15 +418,6 @@ impl<'a> TreeSink for TtTreeSink<'a> {
fn start_node(&mut self, kind: SyntaxKind) {
self.inner.start_node(kind);
self.range_marker = if kind == IDENT {
Some((
TextRange::offset_len(self.text_pos, TextUnit::from_usize(0)),
tt::TokenId::unspecified(),
))
} else {
None
};
match self.roots.last_mut() {
None | Some(0) => self.roots.push(1),
Some(ref mut n) => **n += 1,
@ -439,12 +427,6 @@ impl<'a> TreeSink for TtTreeSink<'a> {
fn finish_node(&mut self) {
self.inner.finish_node();
*self.roots.last_mut().unwrap() -= 1;
if let Some(range) = self.range_marker {
if range.1 != tt::TokenId::unspecified() {
self.range_map.set(range.0, &range.1)
}
}
}
fn error(&mut self, error: ParseError) {