diff --git a/helix-core/src/auto_pairs.rs b/helix-core/src/auto_pairs.rs index 746f201a4..d9569acd7 100644 --- a/helix-core/src/auto_pairs.rs +++ b/helix-core/src/auto_pairs.rs @@ -139,7 +139,7 @@ fn handle_close(doc: &Rope, selection: &Selection, _open: char, close: char) -> } // handle cases where open and close is the same, or in triples ("""docstring""") -fn handle_same(doc: &Rope, selection: &Selection, token: char) -> Option { +fn handle_same(_doc: &Rope, _selection: &Selection, _token: char) -> Option { // if not cursor but selection, wrap // let next = next char diff --git a/helix-core/src/history.rs b/helix-core/src/history.rs index b361b3f40..67ded1661 100644 --- a/helix-core/src/history.rs +++ b/helix-core/src/history.rs @@ -126,7 +126,6 @@ impl History { let last_child = current_revision.last_child?; self.current = last_child.get(); - let last_child_revision = &self.revisions[last_child.get()]; Some(&self.revisions[last_child.get()].transaction) } @@ -376,21 +375,21 @@ mod test { if let Some(transaction) = history.undo() { transaction.apply(&mut state.doc); } - }; + } fn earlier(history: &mut History, state: &mut State, uk: UndoKind) { let txns = history.earlier(uk); for txn in txns { txn.apply(&mut state.doc); } - }; + } fn later(history: &mut History, state: &mut State, uk: UndoKind) { let txns = history.later(uk); for txn in txns { txn.apply(&mut state.doc); } - }; + } fn commit_change( history: &mut History, @@ -401,7 +400,7 @@ mod test { let txn = Transaction::change(&state.doc, vec![change.clone()].into_iter()); history.commit_revision_at_timestamp(&txn, &state, instant); txn.apply(&mut state.doc); - }; + } let t0 = Instant::now(); let t = |n| t0.checked_add(Duration::from_secs(n)).unwrap(); diff --git a/helix-core/src/indent.rs b/helix-core/src/indent.rs index 373229a01..81bdffc05 100644 --- a/helix-core/src/indent.rs +++ b/helix-core/src/indent.rs @@ -7,7 +7,7 @@ use crate::{ /// To determine indentation of a newly inserted line, figure out the indentation at the last col /// of the previous line. - +#[allow(dead_code)] fn indent_level_for_line(line: RopeSlice, tab_width: usize) -> usize { let mut len = 0; for ch in line.chars() { @@ -98,12 +98,13 @@ fn calculate_indentation(query: &IndentQuery, node: Option, newline: bool) increment as usize } +#[allow(dead_code)] fn suggested_indent_for_line( language_config: &LanguageConfiguration, syntax: Option<&Syntax>, text: RopeSlice, line_num: usize, - tab_width: usize, + _tab_width: usize, ) -> usize { if let Some(start) = find_first_non_whitespace_char(text.line(line_num)) { return suggested_indent_for_pos( diff --git a/helix-core/src/match_brackets.rs b/helix-core/src/match_brackets.rs index dcf481c20..2aa876202 100644 --- a/helix-core/src/match_brackets.rs +++ b/helix-core/src/match_brackets.rs @@ -12,7 +12,7 @@ pub fn find(syntax: &Syntax, doc: &Rope, pos: usize) -> Option { // most naive implementation: find the innermost syntax node, if we're at the edge of a node, // return the other edge. - let mut node = match tree + let node = match tree .root_node() .named_descendant_for_byte_range(byte_pos, byte_pos) { diff --git a/helix-core/src/movement.rs b/helix-core/src/movement.rs index 85c0e749a..acc95e7ec 100644 --- a/helix-core/src/movement.rs +++ b/helix-core/src/movement.rs @@ -113,7 +113,7 @@ pub fn move_prev_long_word_start(slice: RopeSlice, range: Range, count: usize) - word_move(slice, range, count, WordMotionTarget::PrevLongWordStart) } -fn word_move(slice: RopeSlice, mut range: Range, count: usize, target: WordMotionTarget) -> Range { +fn word_move(slice: RopeSlice, range: Range, count: usize, target: WordMotionTarget) -> Range { (0..count).fold(range, |range, _| { slice.chars_at(range.head).range_to_target(target, range) }) @@ -179,7 +179,6 @@ enum WordMotionPhase { impl CharHelpers for Chars<'_> { fn range_to_target(&mut self, target: WordMotionTarget, origin: Range) -> Range { - let range = origin; // Characters are iterated forward or backwards depending on the motion direction. let characters: Box> = match target { WordMotionTarget::PrevWordStart | WordMotionTarget::PrevLongWordStart => { diff --git a/helix-core/src/position.rs b/helix-core/src/position.rs index 6e84707a5..3d114b529 100644 --- a/helix-core/src/position.rs +++ b/helix-core/src/position.rs @@ -80,8 +80,8 @@ mod test { #[test] fn test_coords_at_pos() { - let text = Rope::from("ḧëḷḷö\nẅöṛḷḋ"); - let slice = text.slice(..); + // let text = Rope::from("ḧëḷḷö\nẅöṛḷḋ"); + // let slice = text.slice(..); // assert_eq!(coords_at_pos(slice, 0), (0, 0).into()); // assert_eq!(coords_at_pos(slice, 5), (0, 5).into()); // position on \n // assert_eq!(coords_at_pos(slice, 6), (1, 0).into()); // position on w diff --git a/helix-core/src/selection.rs b/helix-core/src/selection.rs index ff5dc23dd..d99e2aff1 100644 --- a/helix-core/src/selection.rs +++ b/helix-core/src/selection.rs @@ -345,10 +345,8 @@ pub fn select_on_matches( // TODO: can't avoid occasional allocations since Regex can't operate on chunks yet let fragment = sel.fragment(text); - let mut sel_start = sel.from(); - let sel_end = sel.to(); - - let mut start_byte = text.char_to_byte(sel_start); + let sel_start = sel.from(); + let start_byte = text.char_to_byte(sel_start); for mat in regex.find_iter(&fragment) { // TODO: retain range direction @@ -379,10 +377,10 @@ pub fn split_on_matches( // TODO: can't avoid occasional allocations since Regex can't operate on chunks yet let fragment = sel.fragment(text); - let mut sel_start = sel.from(); + let sel_start = sel.from(); let sel_end = sel.to(); - let mut start_byte = text.char_to_byte(sel_start); + let start_byte = text.char_to_byte(sel_start); let mut start = sel_start; @@ -411,7 +409,7 @@ mod test { #[test] #[should_panic] fn test_new_empty() { - let sel = Selection::new(smallvec![], 0); + let _ = Selection::new(smallvec![], 0); } #[test] diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs index 1772b5af5..14d972a11 100644 --- a/helix-core/src/syntax.rs +++ b/helix-core/src/syntax.rs @@ -166,7 +166,7 @@ impl LanguageConfiguration { None } else { let language = get_language(self.language_id); - let mut config = HighlightConfiguration::new( + let config = HighlightConfiguration::new( language, &highlights_query, &injections_query, @@ -332,7 +332,8 @@ impl Syntax { // update root layer PARSER.with(|ts_parser| { - syntax.root_layer.parse( + // TODO: handle the returned `Result` properly. + let _ = syntax.root_layer.parse( &mut ts_parser.borrow_mut(), &syntax.config, source, @@ -387,7 +388,7 @@ impl Syntax { source: RopeSlice<'a>, range: Option>, cancellation_flag: Option<&'a AtomicUsize>, - mut injection_callback: impl FnMut(&str) -> Option<&'a HighlightConfiguration> + 'a, + injection_callback: impl FnMut(&str) -> Option<&'a HighlightConfiguration> + 'a, ) -> impl Iterator> + 'a { // The `captures` iterator borrows the `Tree` and the `QueryCursor`, which // prevents them from being moved. But both of these values are really just @@ -494,8 +495,8 @@ impl LanguageLayer { ts_parser: &mut TsParser, config: &HighlightConfiguration, source: &Rope, - mut depth: usize, - mut ranges: Vec, + _depth: usize, + ranges: Vec, ) -> Result<(), Error> { if ts_parser.parser.set_included_ranges(&ranges).is_ok() { ts_parser @@ -1644,13 +1645,13 @@ fn injection_for_match<'a>( (language_name, content_node, include_children) } -fn shrink_and_clear(vec: &mut Vec, capacity: usize) { - if vec.len() > capacity { - vec.truncate(capacity); - vec.shrink_to_fit(); - } - vec.clear(); -} +// fn shrink_and_clear(vec: &mut Vec, capacity: usize) { +// if vec.len() > capacity { +// vec.truncate(capacity); +// vec.shrink_to_fit(); +// } +// vec.clear(); +// } pub struct Merge { iter: I, @@ -1691,7 +1692,7 @@ impl> Iterator for Merge { loop { match (self.next_event, &self.next_span) { // this happens when range is partially or fully offscreen - (Some(Source { start, end }), Some((span, range))) if start > range.start => { + (Some(Source { start, .. }), Some((span, range))) if start > range.start => { if start > range.end { self.next_span = self.spans.next(); } else { @@ -1711,7 +1712,7 @@ impl> Iterator for Merge { self.next_event = self.iter.next(); Some(HighlightEnd) } - (Some(Source { start, end }), Some((span, range))) if start < range.start => { + (Some(Source { start, end }), Some((_, range))) if start < range.start => { let intersect = range.start.min(end); let event = Source { start, @@ -1766,7 +1767,7 @@ impl> Iterator for Merge { Some(event) } // can happen if deleting and cursor at EOF, and diagnostic reaches past the end - (None, Some((span, range))) => { + (None, Some((_, _))) => { self.next_span = None; None } @@ -1809,7 +1810,7 @@ mod test { .collect(); let language = get_language(Lang::Rust); - let mut config = HighlightConfiguration::new( + let config = HighlightConfiguration::new( language, &std::fs::read_to_string( "../helix-syntax/languages/tree-sitter-rust/queries/highlights.scm", @@ -1853,7 +1854,7 @@ mod test { use crate::State; use tree_sitter::InputEdit; - let mut state = State::new("hello world!\ntest 123".into()); + let state = State::new("hello world!\ntest 123".into()); let transaction = Transaction::change( &state.doc, vec![(6, 11, Some("test".into())), (12, 17, None)].into_iter(), diff --git a/helix-core/src/transaction.rs b/helix-core/src/transaction.rs index e907ecf7e..048839b3d 100644 --- a/helix-core/src/transaction.rs +++ b/helix-core/src/transaction.rs @@ -163,7 +163,7 @@ impl ChangeSet { head_a = a; head_b = changes_b.next(); } - (None, val) | (val, None) => return unreachable!("({:?})", val), + (None, val) | (val, None) => unreachable!("({:?})", val), (Some(Retain(i)), Some(Retain(j))) => match i.cmp(&j) { Ordering::Less => { changes.retain(i); @@ -202,7 +202,7 @@ impl ChangeSet { } } } - (Some(Insert(mut s)), Some(Retain(j))) => { + (Some(Insert(s)), Some(Retain(j))) => { let len = s.chars().count(); match len.cmp(&j) { Ordering::Less => { @@ -274,7 +274,6 @@ impl ChangeSet { let mut changes = Self::with_capacity(self.changes.len()); let mut pos = 0; - let mut len = 0; for change in &self.changes { use Operation::*; @@ -700,7 +699,7 @@ mod test { #[test] fn changes_iter() { - let mut state = State::new("hello world!\ntest 123".into()); + let state = State::new("hello world!\ntest 123".into()); let changes = vec![(6, 11, Some("void".into())), (12, 17, None)]; let transaction = Transaction::change(&state.doc, changes.clone().into_iter()); assert_eq!(transaction.changes_iter().collect::>(), changes); @@ -732,7 +731,7 @@ mod test { // retain 1, e // retain 2, l - let mut changes = t1 + let changes = t1 .changes .compose(t2.changes) .compose(t3.changes) @@ -747,7 +746,7 @@ mod test { #[test] fn combine_with_empty() { let empty = Rope::from(""); - let mut a = ChangeSet::new(&empty); + let a = ChangeSet::new(&empty); let mut b = ChangeSet::new(&empty); b.insert("a".into()); @@ -763,7 +762,7 @@ mod test { const TEST_CASE: &'static str = "Hello, これはヘリックスエディターです！"; let empty = Rope::from(""); - let mut a = ChangeSet::new(&empty); + let a = ChangeSet::new(&empty); let mut b = ChangeSet::new(&empty); b.insert(TEST_CASE.into());