diff --git a/crates/typst-syntax/src/highlight.rs b/crates/typst-syntax/src/highlight.rs index de8ed65c9..c59a03384 100644 --- a/crates/typst-syntax/src/highlight.rs +++ b/crates/typst-syntax/src/highlight.rs @@ -287,6 +287,7 @@ pub fn highlight(node: &LinkedNode) -> Option { SyntaxKind::Destructuring => None, SyntaxKind::DestructAssignment => None, + SyntaxKind::Shebang => Some(Tag::Comment), SyntaxKind::LineComment => Some(Tag::Comment), SyntaxKind::BlockComment => Some(Tag::Comment), SyntaxKind::Error => Some(Tag::Error), diff --git a/crates/typst-syntax/src/kind.rs b/crates/typst-syntax/src/kind.rs index 0a7c160b4..b4a97a3e0 100644 --- a/crates/typst-syntax/src/kind.rs +++ b/crates/typst-syntax/src/kind.rs @@ -9,6 +9,8 @@ pub enum SyntaxKind { /// An invalid sequence of characters. Error, + /// A shebang: `#! ...` + Shebang, /// A line comment: `// ...`. LineComment, /// A block comment: `/* ... */`. @@ -357,7 +359,11 @@ impl SyntaxKind { pub fn is_trivia(self) -> bool { matches!( self, - Self::LineComment | Self::BlockComment | Self::Space | Self::Parbreak + Self::Shebang + | Self::LineComment + | Self::BlockComment + | Self::Space + | Self::Parbreak ) } @@ -371,6 +377,7 @@ impl SyntaxKind { match self { Self::End => "end of tokens", Self::Error => "syntax error", + Self::Shebang => "shebang", Self::LineComment => "line comment", Self::BlockComment => "block comment", Self::Markup => "markup", diff --git a/crates/typst-syntax/src/lexer.rs b/crates/typst-syntax/src/lexer.rs index 6b5d28162..17401044f 100644 --- a/crates/typst-syntax/src/lexer.rs +++ b/crates/typst-syntax/src/lexer.rs @@ -103,6 +103,7 @@ impl Lexer<'_> { self.newline = false; let kind = match self.s.eat() { Some(c) if is_space(c, self.mode) => self.whitespace(start, c), + Some('#') if start == 0 && self.s.eat_if('!') => self.shebang(), Some('/') if self.s.eat_if('/') => self.line_comment(), Some('/') if self.s.eat_if('*') => self.block_comment(), Some('*') if self.s.eat_if('/') => { @@ -151,6 +152,11 @@ impl Lexer<'_> { } } + fn shebang(&mut self) -> SyntaxKind { + self.s.eat_until(is_newline); + SyntaxKind::Shebang + } + fn line_comment(&mut self) -> SyntaxKind { self.s.eat_until(is_newline); SyntaxKind::LineComment diff --git a/crates/typst-syntax/src/parser.rs b/crates/typst-syntax/src/parser.rs index 5b9e66e28..5de71cafc 100644 --- a/crates/typst-syntax/src/parser.rs +++ b/crates/typst-syntax/src/parser.rs @@ -93,6 +93,8 @@ fn markup_expr(p: &mut Parser, at_start: bool, nesting: &mut usize) { p.hint("try using a backslash escape: \\]"); } + SyntaxKind::Shebang => p.eat(), + SyntaxKind::Text | SyntaxKind::Linebreak | SyntaxKind::Escape diff --git a/tests/suite/syntax/shebang.typ b/tests/suite/syntax/shebang.typ new file mode 100644 index 000000000..c2eb2e43c --- /dev/null +++ b/tests/suite/syntax/shebang.typ @@ -0,0 +1,7 @@ +// Test shebang support. + +--- shebang --- +#!typst compile + +// Error: 2-3 the character `!` is not valid in code +#!not-a-shebang