Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/lib.rs')
| -rw-r--r-- | crates/syntax/src/lib.rs | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/crates/syntax/src/lib.rs b/crates/syntax/src/lib.rs index 27c8a13e58..4939ab3904 100644 --- a/crates/syntax/src/lib.rs +++ b/crates/syntax/src/lib.rs @@ -19,6 +19,7 @@ //! [RFC]: <https://github.com/rust-lang/rfcs/pull/2256> //! [Swift]: <https://github.com/apple/swift/blob/13d593df6f359d0cb2fc81cfaac273297c539455/lib/Syntax/README.md> +#![cfg_attr(feature = "in-rust-tree", feature(rustc_private))] #![warn(rust_2018_idioms, unused_lifetimes, semicolon_in_expressions_from_macros)] #[allow(unused)] @@ -74,7 +75,7 @@ pub use smol_str::SmolStr; #[derive(Debug, PartialEq, Eq)] pub struct Parse<T> { green: GreenNode, - errors: Arc<Vec<SyntaxError>>, + errors: Arc<[SyntaxError]>, _ty: PhantomData<fn() -> T>, } @@ -86,7 +87,7 @@ impl<T> Clone for Parse<T> { impl<T> Parse<T> { fn new(green: GreenNode, errors: Vec<SyntaxError>) -> Parse<T> { - Parse { green, errors: Arc::new(errors), _ty: PhantomData } + Parse { green, errors: errors.into(), _ty: PhantomData } } pub fn syntax_node(&self) -> SyntaxNode { @@ -106,7 +107,7 @@ impl<T: AstNode> Parse<T> { T::cast(self.syntax_node()).unwrap() } - pub fn ok(self) -> Result<T, Arc<Vec<SyntaxError>>> { + pub fn ok(self) -> Result<T, Arc<[SyntaxError]>> { if self.errors.is_empty() { Ok(self.tree()) } else { @@ -143,7 +144,7 @@ impl Parse<SourceFile> { parsing::incremental_reparse(self.tree().syntax(), indel, self.errors.to_vec()).map( |(green_node, errors, _reparsed_range)| Parse { green: green_node, - errors: Arc::new(errors), + errors: errors.into(), _ty: PhantomData, }, ) @@ -167,7 +168,7 @@ impl SourceFile { errors.extend(validation::validate(&root)); assert_eq!(root.kind(), SyntaxKind::SOURCE_FILE); - Parse { green, errors: Arc::new(errors), _ty: PhantomData } + Parse { green, errors: errors.into(), _ty: PhantomData } } } @@ -181,29 +182,27 @@ impl ast::TokenTree { let kind = t.kind(); if kind.is_trivia() { was_joint = false + } else if kind == SyntaxKind::IDENT { + let token_text = t.text(); + let contextual_kw = + SyntaxKind::from_contextual_keyword(token_text).unwrap_or(SyntaxKind::IDENT); + parser_input.push_ident(contextual_kw); } else { - if kind == SyntaxKind::IDENT { - let token_text = t.text(); - let contextual_kw = SyntaxKind::from_contextual_keyword(token_text) - .unwrap_or(SyntaxKind::IDENT); - parser_input.push_ident(contextual_kw); - } else { - if was_joint { + if was_joint { + parser_input.was_joint(); + } + parser_input.push(kind); + // Tag the token as joint if it is float with a fractional part + // we use this jointness to inform the parser about what token split + // event to emit when we encounter a float literal in a field access + if kind == SyntaxKind::FLOAT_NUMBER { + if !t.text().ends_with('.') { parser_input.was_joint(); - } - parser_input.push(kind); - // Tag the token as joint if it is float with a fractional part - // we use this jointness to inform the parser about what token split - // event to emit when we encounter a float literal in a field access - if kind == SyntaxKind::FLOAT_NUMBER { - if !t.text().ends_with('.') { - parser_input.was_joint(); - } else { - was_joint = false; - } } else { - was_joint = true; + was_joint = false; } + } else { + was_joint = true; } } } @@ -276,7 +275,7 @@ impl ast::TokenTree { let (green, errors) = builder.finish_raw(); - Parse { green, errors: Arc::new(errors), _ty: PhantomData } + Parse { green, errors: errors.into(), _ty: PhantomData } } } |