diff --git a/Cargo.lock b/Cargo.lock index 29c444bfee..e43c8473ea 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3005,6 +3005,7 @@ dependencies = [ "text", "theme", "tree-sitter", + "tree-sitter-embedded-template", "tree-sitter-html", "tree-sitter-javascript", "tree-sitter-json 0.19.0", @@ -6381,8 +6382,8 @@ dependencies = [ [[package]] name = "tree-sitter" -version = "0.20.8" -source = "git+https://github.com/tree-sitter/tree-sitter?rev=366210ae925d7ea0891bc7a0c738f60c77c04d7b#366210ae925d7ea0891bc7a0c738f60c77c04d7b" +version = "0.20.9" +source = "git+https://github.com/tree-sitter/tree-sitter?rev=f0177f216e3f76a5f68e792b6f9e45fd32383eb6#f0177f216e3f76a5f68e792b6f9e45fd32383eb6" dependencies = [ "cc", "regex", diff --git a/Cargo.toml b/Cargo.toml index 205017da1f..a46a56de58 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -65,7 +65,7 @@ serde_json = { version = "1.0", features = ["preserve_order", "raw_value"] } rand = { version = "0.8" } [patch.crates-io] -tree-sitter = { git = "https://github.com/tree-sitter/tree-sitter", rev = "366210ae925d7ea0891bc7a0c738f60c77c04d7b" } +tree-sitter = { git = "https://github.com/tree-sitter/tree-sitter", rev = "f0177f216e3f76a5f68e792b6f9e45fd32383eb6" } async-task = { git = "https://github.com/zed-industries/async-task", rev = "341b57d6de98cdfd7b418567b8de2022ca993a6e" } # TODO - Remove when a version is released with this PR: https://github.com/servo/core-foundation-rs/pull/457 diff --git a/crates/language/Cargo.toml b/crates/language/Cargo.toml index 419c7a79a5..6c074a2d75 100644 --- a/crates/language/Cargo.toml +++ b/crates/language/Cargo.toml @@ -72,4 +72,5 @@ tree-sitter-rust = "*" tree-sitter-python = "*" tree-sitter-typescript = "*" tree-sitter-ruby = "*" +tree-sitter-embedded-template = "*" unindent = "0.1.7" diff --git a/crates/language/src/language.rs b/crates/language/src/language.rs index 4436ab416e..5e9319b128 100644 --- a/crates/language/src/language.rs +++ b/crates/language/src/language.rs @@ -28,6 +28,7 @@ use std::{ any::Any, cell::RefCell, fmt::Debug, + hash::Hash, mem, ops::Range, path::{Path, PathBuf}, @@ -643,6 +644,10 @@ impl Language { self.adapter.clone() } + pub fn id(&self) -> Option { + self.grammar.as_ref().map(|g| g.id) + } + pub fn with_highlights_query(mut self, source: &str) -> Result { let grammar = self.grammar_mut(); grammar.highlights_query = Some(Query::new(grammar.ts_language, source)?); @@ -895,6 +900,20 @@ impl Language { } } +impl Hash for Language { + fn hash(&self, state: &mut H) { + self.id().hash(state) + } +} + +impl PartialEq for Language { + fn eq(&self, other: &Self) -> bool { + self.id().eq(&other.id()) + } +} + +impl Eq for Language {} + impl Debug for Language { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { f.debug_struct("Language") diff --git a/crates/language/src/syntax_map.rs b/crates/language/src/syntax_map.rs index 3eb15c9c5e..be735df9c0 100644 --- a/crates/language/src/syntax_map.rs +++ b/crates/language/src/syntax_map.rs @@ -1,4 +1,5 @@ use crate::{Grammar, InjectionConfig, Language, LanguageRegistry}; +use collections::HashMap; use lazy_static::lazy_static; use parking_lot::Mutex; use std::{ @@ -90,6 +91,7 @@ struct SyntaxLayer { range: Range, tree: tree_sitter::Tree, language: Arc, + combined: bool, } #[derive(Debug)] @@ -105,22 +107,39 @@ struct SyntaxLayerSummary { max_depth: usize, range: Range, last_layer_range: Range, + last_layer_language: Option, } #[derive(Clone, Debug)] -struct DepthAndRange(usize, Range); +struct SyntaxLayerPosition { + depth: usize, + range: Range, + language: Option, +} #[derive(Clone, Debug)] struct DepthAndMaxPosition(usize, Anchor); #[derive(Clone, Debug)] -struct DepthAndRangeOrMaxPosition(DepthAndRange, DepthAndMaxPosition); +struct SyntaxLayerPositionBeforeChange { + position: SyntaxLayerPosition, + change: DepthAndMaxPosition, +} struct ReparseStep { depth: usize, language: Arc, - ranges: Vec, range: Range, + included_ranges: Vec, + mode: ReparseMode, +} + +enum ReparseMode { + Single, + Combined { + parent_layer_range: Range, + parent_layer_changed_ranges: Vec>, + }, } #[derive(Debug, PartialEq, Eq)] @@ -225,7 +244,11 @@ impl SyntaxSnapshot { // subsequent layers at this same depth. else if cursor.item().is_some() { let slice = cursor.slice( - &DepthAndRange(depth + 1, Anchor::MIN..Anchor::MAX), + &SyntaxLayerPosition { + depth: depth + 1, + range: Anchor::MIN..Anchor::MAX, + language: None, + }, Bias::Left, text, ); @@ -320,28 +343,44 @@ impl SyntaxSnapshot { let mut changed_regions = ChangeRegionSet::default(); let mut queue = BinaryHeap::new(); + let mut combined_injection_ranges = HashMap::default(); queue.push(ReparseStep { depth: 0, language: language.clone(), - ranges: Vec::new(), + included_ranges: vec![tree_sitter::Range { + start_byte: 0, + end_byte: text.len(), + start_point: Point::zero().to_ts_point(), + end_point: text.max_point().to_ts_point(), + }], range: Anchor::MIN..Anchor::MAX, + mode: ReparseMode::Single, }); loop { let step = queue.pop(); - let (depth, range) = if let Some(step) = &step { - (step.depth, step.range.clone()) + let target = if let Some(step) = &step { + SyntaxLayerPosition { + depth: step.depth, + range: step.range.clone(), + language: step.language.id(), + } } else { - (max_depth + 1, Anchor::MAX..Anchor::MAX) + SyntaxLayerPosition { + depth: max_depth + 1, + range: Anchor::MAX..Anchor::MAX, + language: None, + } }; - let target = DepthAndRange(depth, range.clone()); let mut done = cursor.item().is_none(); while !done && target.cmp(&cursor.end(text), &text).is_gt() { done = true; - let bounded_target = - DepthAndRangeOrMaxPosition(target.clone(), changed_regions.start_position()); + let bounded_target = SyntaxLayerPositionBeforeChange { + position: target.clone(), + change: changed_regions.start_position(), + }; if bounded_target.cmp(&cursor.start(), &text).is_gt() { let slice = cursor.slice(&bounded_target, Bias::Left, text); if !slice.is_empty() { @@ -353,11 +392,7 @@ impl SyntaxSnapshot { } while target.cmp(&cursor.end(text), text).is_gt() { - let layer = if let Some(layer) = cursor.item() { - layer - } else { - break; - }; + let Some(layer) = cursor.item() else { break }; if changed_regions.intersects(&layer, text) { changed_regions.insert( @@ -378,70 +413,79 @@ impl SyntaxSnapshot { } } - let (ranges, language) = if let Some(step) = step { - (step.ranges, step.language) - } else { - break; - }; - - let start_point; - let start_byte; - let end_byte; - if let Some((first, last)) = ranges.first().zip(ranges.last()) { - start_point = first.start_point; - start_byte = first.start_byte; - end_byte = last.end_byte; - } else { - start_point = Point::zero().to_ts_point(); - start_byte = 0; - end_byte = text.len(); - }; + let Some(step) = step else { break }; + let (step_start_byte, step_start_point) = + step.range.start.summary::<(usize, Point)>(text); + let step_end_byte = step.range.end.to_offset(text); + let Some(grammar) = step.language.grammar.as_deref() else { continue }; let mut old_layer = cursor.item(); if let Some(layer) = old_layer { - if layer.range.to_offset(text) == (start_byte..end_byte) { + if layer.range.to_offset(text) == (step_start_byte..step_end_byte) + && layer.language.id() == step.language.id() + { cursor.next(&text); } else { old_layer = None; } } - let grammar = if let Some(grammar) = language.grammar.as_deref() { - grammar - } else { - continue; - }; + let mut combined = false; + let mut included_ranges = step.included_ranges; let tree; let changed_ranges; if let Some(old_layer) = old_layer { + if let ReparseMode::Combined { + parent_layer_changed_ranges, + .. + } = step.mode + { + combined = true; + included_ranges = splice_included_ranges( + old_layer.tree.included_ranges(), + &parent_layer_changed_ranges, + &included_ranges, + ); + } + tree = parse_text( grammar, text.as_rope(), + step_start_byte, + step_start_point, + included_ranges, Some(old_layer.tree.clone()), - ranges, ); changed_ranges = join_ranges( edits .iter() .map(|e| e.new.clone()) - .filter(|range| range.start < end_byte && range.end > start_byte), + .filter(|range| range.start < step_end_byte && range.end > step_start_byte), old_layer .tree .changed_ranges(&tree) - .map(|r| start_byte + r.start_byte..start_byte + r.end_byte), + .map(|r| step_start_byte + r.start_byte..step_start_byte + r.end_byte), ); } else { - tree = parse_text(grammar, text.as_rope(), None, ranges); - changed_ranges = vec![start_byte..end_byte]; + tree = parse_text( + grammar, + text.as_rope(), + step_start_byte, + step_start_point, + included_ranges, + None, + ); + changed_ranges = vec![step_start_byte..step_end_byte]; } layers.push( SyntaxLayer { - depth, - range, + depth: step.depth, + range: step.range, tree: tree.clone(), language: language.clone(), + combined, }, &text, ); @@ -450,11 +494,10 @@ impl SyntaxSnapshot { grammar.injection_config.as_ref().zip(registry.as_ref()), changed_ranges.is_empty(), ) { - let depth = depth + 1; for range in &changed_ranges { changed_regions.insert( ChangedRegion { - depth, + depth: step.depth + 1, range: text.anchor_before(range.start)..text.anchor_after(range.end), }, text, @@ -463,10 +506,11 @@ impl SyntaxSnapshot { get_injections( config, text, - tree.root_node_with_offset(start_byte, start_point), + tree.root_node_with_offset(step_start_byte, step_start_point.to_ts_point()), registry, - depth, + step.depth + 1, &changed_ranges, + &mut combined_injection_ranges, &mut queue, ); } @@ -547,7 +591,6 @@ impl SyntaxSnapshot { } }); - // let mut result = Vec::new(); cursor.next(buffer); std::iter::from_fn(move || { if let Some(layer) = cursor.item() { @@ -565,8 +608,6 @@ impl SyntaxSnapshot { None } }) - - // result } } @@ -892,14 +933,11 @@ fn join_ranges( fn parse_text( grammar: &Grammar, text: &Rope, - old_tree: Option, + start_byte: usize, + start_point: Point, mut ranges: Vec, + old_tree: Option, ) -> Tree { - let (start_byte, start_point) = ranges - .first() - .map(|range| (range.start_byte, Point::from_ts_point(range.start_point))) - .unwrap_or_default(); - for range in &mut ranges { range.start_byte -= start_byte; range.end_byte -= start_byte; @@ -934,13 +972,16 @@ fn get_injections( node: Node, language_registry: &LanguageRegistry, depth: usize, - query_ranges: &[Range], + changed_ranges: &[Range], + combined_injection_ranges: &mut HashMap, Vec>, queue: &mut BinaryHeap, ) -> bool { let mut result = false; let mut query_cursor = QueryCursorHandle::new(); let mut prev_match = None; - for query_range in query_ranges { + + combined_injection_ranges.clear(); + for query_range in changed_ranges { query_cursor.set_byte_range(query_range.start.saturating_sub(1)..query_range.end); for mat in query_cursor.matches(&config.query, node, TextProvider(text.as_rope())) { let content_ranges = mat @@ -961,7 +1002,9 @@ fn get_injections( } prev_match = Some((mat.pattern_index, content_range.clone())); - let language_name = config.patterns[mat.pattern_index].language + let combined = config.patterns[mat.pattern_index].combined; + let language_name = config.patterns[mat.pattern_index] + .language .as_ref() .map(|s| Cow::Borrowed(s.as_ref())) .or_else(|| { @@ -975,19 +1018,93 @@ fn get_injections( result = true; let range = text.anchor_before(content_range.start) ..text.anchor_after(content_range.end); - queue.push(ReparseStep { - depth, - language, - ranges: content_ranges, - range, - }) + if combined { + combined_injection_ranges + .entry(language.clone()) + .or_default() + .extend(content_ranges); + } else { + queue.push(ReparseStep { + depth, + language, + included_ranges: content_ranges, + range, + mode: ReparseMode::Single, + }); + } } } } } + + for (language, mut included_ranges) in combined_injection_ranges.drain() { + included_ranges.sort_unstable(); + let range = text.anchor_before(node.start_byte())..text.anchor_after(node.end_byte()); + queue.push(ReparseStep { + depth, + language, + range, + included_ranges, + mode: ReparseMode::Combined { + parent_layer_range: node.start_byte()..node.end_byte(), + parent_layer_changed_ranges: changed_ranges.to_vec(), + }, + }) + } + result } +fn splice_included_ranges( + mut ranges: Vec, + changed_ranges: &[Range], + new_ranges: &[tree_sitter::Range], +) -> Vec { + let mut changed_ranges = changed_ranges.into_iter().peekable(); + let mut new_ranges = new_ranges.into_iter().peekable(); + let mut ranges_ix = 0; + loop { + let new_range = new_ranges.peek(); + let mut changed_range = changed_ranges.peek(); + + // process changed ranges before any overlapping new ranges + if let Some((changed, new)) = changed_range.zip(new_range) { + if new.end_byte < changed.start { + changed_range = None; + } + } + + if let Some(changed) = changed_range { + let start_ix = ranges_ix + + match ranges[ranges_ix..].binary_search_by_key(&changed.start, |r| r.end_byte) { + Ok(ix) | Err(ix) => ix, + }; + let end_ix = ranges_ix + + match ranges[ranges_ix..].binary_search_by_key(&changed.end, |r| r.start_byte) { + Ok(ix) | Err(ix) => ix, + }; + if end_ix > start_ix { + ranges.splice(start_ix..end_ix, []); + } + changed_ranges.next(); + ranges_ix = start_ix; + } else if let Some(new_range) = new_range { + let ix = ranges_ix + + match ranges[ranges_ix..] + .binary_search_by_key(&new_range.start_byte, |r| r.start_byte) + { + Ok(ix) | Err(ix) => ix, + }; + ranges.insert(ix, **new_range); + new_ranges.next(); + ranges_ix = ix + 1; + } else { + break; + } + } + ranges +} + impl std::ops::Deref for SyntaxMap { type Target = SyntaxSnapshot; @@ -1017,14 +1134,22 @@ impl Ord for ReparseStep { Ord::cmp(&other.depth, &self.depth) .then_with(|| Ord::cmp(&range_b.start, &range_a.start)) .then_with(|| Ord::cmp(&range_a.end, &range_b.end)) + .then_with(|| self.language.id().cmp(&other.language.id())) } } impl ReparseStep { fn range(&self) -> Range { - let start = self.ranges.first().map_or(0, |r| r.start_byte); - let end = self.ranges.last().map_or(0, |r| r.end_byte); - start..end + if let ReparseMode::Combined { + parent_layer_range, .. + } = &self.mode + { + parent_layer_range.clone() + } else { + let start = self.included_ranges.first().map_or(0, |r| r.start_byte); + let end = self.included_ranges.last().map_or(0, |r| r.end_byte); + start..end + } } } @@ -1094,6 +1219,7 @@ impl Default for SyntaxLayerSummary { min_depth: 0, range: Anchor::MAX..Anchor::MIN, last_layer_range: Anchor::MIN..Anchor::MAX, + last_layer_language: None, } } } @@ -1114,14 +1240,15 @@ impl sum_tree::Summary for SyntaxLayerSummary { } } self.last_layer_range = other.last_layer_range.clone(); + self.last_layer_language = other.last_layer_language; } } -impl<'a> SeekTarget<'a, SyntaxLayerSummary, SyntaxLayerSummary> for DepthAndRange { +impl<'a> SeekTarget<'a, SyntaxLayerSummary, SyntaxLayerSummary> for SyntaxLayerPosition { fn cmp(&self, cursor_location: &SyntaxLayerSummary, buffer: &BufferSnapshot) -> Ordering { - Ord::cmp(&self.0, &cursor_location.max_depth) + Ord::cmp(&self.depth, &cursor_location.max_depth) .then_with(|| { - self.1 + self.range .start .cmp(&cursor_location.last_layer_range.start, buffer) }) @@ -1129,8 +1256,9 @@ impl<'a> SeekTarget<'a, SyntaxLayerSummary, SyntaxLayerSummary> for DepthAndRang cursor_location .last_layer_range .end - .cmp(&self.1.end, buffer) + .cmp(&self.range.end, buffer) }) + .then_with(|| self.language.cmp(&cursor_location.last_layer_language)) } } @@ -1141,12 +1269,14 @@ impl<'a> SeekTarget<'a, SyntaxLayerSummary, SyntaxLayerSummary> for DepthAndMaxP } } -impl<'a> SeekTarget<'a, SyntaxLayerSummary, SyntaxLayerSummary> for DepthAndRangeOrMaxPosition { +impl<'a> SeekTarget<'a, SyntaxLayerSummary, SyntaxLayerSummary> + for SyntaxLayerPositionBeforeChange +{ fn cmp(&self, cursor_location: &SyntaxLayerSummary, buffer: &BufferSnapshot) -> Ordering { - if self.1.cmp(cursor_location, buffer).is_le() { + if self.change.cmp(cursor_location, buffer).is_le() { return Ordering::Less; } else { - self.0.cmp(cursor_location, buffer) + self.position.cmp(cursor_location, buffer) } } } @@ -1160,6 +1290,7 @@ impl sum_tree::Item for SyntaxLayer { max_depth: self.depth, range: self.range.clone(), last_layer_range: self.range.clone(), + last_layer_language: self.language.id(), } } } @@ -1246,6 +1377,60 @@ mod tests { use unindent::Unindent as _; use util::test::marked_text_ranges; + #[test] + fn test_splice_included_ranges() { + let ranges = vec![ts_range(20..30), ts_range(50..60), ts_range(80..90)]; + + let new_ranges = splice_included_ranges( + ranges.clone(), + &[54..56, 58..68], + &[ts_range(50..54), ts_range(59..67)], + ); + assert_eq!( + new_ranges, + &[ + ts_range(20..30), + ts_range(50..54), + ts_range(59..67), + ts_range(80..90), + ] + ); + + let new_ranges = splice_included_ranges(ranges.clone(), &[70..71, 91..100], &[]); + assert_eq!( + new_ranges, + &[ts_range(20..30), ts_range(50..60), ts_range(80..90)] + ); + + let new_ranges = + splice_included_ranges(ranges.clone(), &[], &[ts_range(0..2), ts_range(70..75)]); + assert_eq!( + new_ranges, + &[ + ts_range(0..2), + ts_range(20..30), + ts_range(50..60), + ts_range(70..75), + ts_range(80..90) + ] + ); + + fn ts_range(range: Range) -> tree_sitter::Range { + tree_sitter::Range { + start_byte: range.start, + start_point: tree_sitter::Point { + row: 0, + column: range.start, + }, + end_byte: range.end, + end_point: tree_sitter::Point { + row: 0, + column: range.end, + }, + } + } + } + #[gpui::test] fn test_syntax_map_layers_for_range() { let registry = Arc::new(LanguageRegistry::test());