Unnamed repository; edit this file 'description' to name the repository.
| -rw-r--r-- | crates/parser/src/input.rs | 9 | ||||
| -rw-r--r-- | crates/parser/src/shortcuts.rs | 2 | ||||
| -rw-r--r-- | crates/syntax-bridge/src/to_parser_input.rs | 2 |
3 files changed, 10 insertions, 3 deletions
diff --git a/crates/parser/src/input.rs b/crates/parser/src/input.rs index cabdff214d..4490956f97 100644 --- a/crates/parser/src/input.rs +++ b/crates/parser/src/input.rs @@ -12,7 +12,6 @@ type bits = u64; /// `Tokens` doesn't include whitespace and comments. Main input to the parser. /// /// Struct of arrays internally, but this shouldn't really matter. -#[derive(Default)] pub struct Input { kind: Vec<SyntaxKind>, joint: Vec<bits>, @@ -22,6 +21,14 @@ pub struct Input { /// `pub` impl used by callers to create `Tokens`. impl Input { #[inline] + pub fn with_capacity(capacity: usize) -> Self { + Self { + kind: Vec::with_capacity(capacity), + joint: Vec::with_capacity(capacity / size_of::<bits>()), + contextual_kind: Vec::with_capacity(capacity), + } + } + #[inline] pub fn push(&mut self, kind: SyntaxKind) { self.push_impl(kind, SyntaxKind::EOF) } diff --git a/crates/parser/src/shortcuts.rs b/crates/parser/src/shortcuts.rs index 32569d5c3f..e2baec890c 100644 --- a/crates/parser/src/shortcuts.rs +++ b/crates/parser/src/shortcuts.rs @@ -27,7 +27,7 @@ pub enum StrStep<'a> { impl LexedStr<'_> { pub fn to_input(&self, edition: Edition) -> crate::Input { let _p = tracing::info_span!("LexedStr::to_input").entered(); - let mut res = crate::Input::default(); + let mut res = crate::Input::with_capacity(self.len()); let mut was_joint = false; for i in 0..self.len() { let kind = self.kind(i); diff --git a/crates/syntax-bridge/src/to_parser_input.rs b/crates/syntax-bridge/src/to_parser_input.rs index 0dcb2be316..021dc6595f 100644 --- a/crates/syntax-bridge/src/to_parser_input.rs +++ b/crates/syntax-bridge/src/to_parser_input.rs @@ -12,7 +12,7 @@ pub fn to_parser_input<Ctx: Copy + fmt::Debug + PartialEq + Eq + Hash>( buffer: tt::TokenTreesView<'_, SpanData<Ctx>>, span_to_edition: &mut dyn FnMut(Ctx) -> Edition, ) -> parser::Input { - let mut res = parser::Input::default(); + let mut res = parser::Input::with_capacity(buffer.len()); let mut current = buffer.cursor(); let mut syntax_context_to_edition_cache = FxHashMap::default(); |