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-rw-r--r--helix-core/src/syntax.rs24
1 files changed, 13 insertions, 11 deletions
diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index 6e128f0b..51b58abd 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -638,7 +638,7 @@ impl Syntax {
let mut layers = self
.layers
.iter()
- .map(|(_, layer)| {
+ .flat_map(|(_, layer)| {
// Reuse a cursor from the pool if available.
let mut cursor = PARSER.with(|ts_parser| {
let highlighter = &mut ts_parser.borrow_mut();
@@ -656,7 +656,7 @@ impl Syntax {
// cursor_ref.set_byte_range(range.clone().unwrap_or(0..usize::MAX));
cursor_ref.set_byte_range(0..usize::MAX);
- let captures = cursor_ref
+ let mut captures = cursor_ref
.captures(
&layer.config.query,
layer.tree().root_node(),
@@ -664,7 +664,12 @@ impl Syntax {
)
.peekable();
- HighlightIterLayer {
+ // If there's no captures, skip the layer
+ if captures.peek().is_none() {
+ return None;
+ }
+
+ Some(HighlightIterLayer {
highlight_end_stack: Vec::new(),
scope_stack: vec![LocalScope {
inherits: false,
@@ -674,10 +679,10 @@ impl Syntax {
cursor,
_tree: None,
captures,
- config: layer.config.as_ref(), // TODO: just reuse
- depth: layer.depth, // TODO: just reuse
- ranges: layer.ranges.clone(),
- }
+ config: layer.config.as_ref(), // TODO: just reuse `layer`
+ depth: layer.depth, // TODO: just reuse `layer`
+ ranges: &layer.ranges, // TODO: temp
+ })
})
.collect::<Vec<_>>();
@@ -701,9 +706,6 @@ impl Syntax {
last_highlight_range: None,
};
result.sort_layers();
- for layer in &result.layers {
- log::info!("> {:?} {:?}", layer.depth, layer.ranges); // <- for some reason layers are reversed here
- }
result
}
// on_tokenize
@@ -987,7 +989,7 @@ struct HighlightIterLayer<'a> {
highlight_end_stack: Vec<usize>,
scope_stack: Vec<LocalScope<'a>>,
depth: usize,
- ranges: Vec<Range>, // TEMP
+ ranges: &'a [Range],
}
impl<'a> fmt::Debug for HighlightIterLayer<'a> {