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Add error message for toplevel &

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This commit is contained in:
ConnorSkees 2020-01-26 10:53:52 -05:00
parent 6c41d7722b
commit 4fdd1ce69a
1 changed files with 4 additions and 1 deletions
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5
src/lib.rs
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@ -310,7 +310,7 @@ struct StyleSheetParser<'a> {
impl<'a> StyleSheetParser<'a> { impl<'a> StyleSheetParser<'a> {
fn parse_toplevel(mut self) -> SassResult<(Vec<Stmt>, Scope)> { fn parse_toplevel(mut self) -> SassResult<(Vec<Stmt>, Scope)> {
let mut rules: Vec<Stmt> = Vec::new(); let mut rules: Vec<Stmt> = Vec::new();
while let Some(Token { kind, .. }) = self.lexer.peek() { while let Some(Token { kind, pos }) = self.lexer.peek() {
match kind { match kind {
TokenKind::Ident(_) TokenKind::Ident(_)
| TokenKind::Attribute(_) | TokenKind::Attribute(_)
@ -422,6 +422,9 @@ impl<'a> StyleSheetParser<'a> {
} }
} }
} }
TokenKind::Symbol(Symbol::BitAnd) => {
return Err(SassError::new("Base-level rules cannot contain the parent-selector-referencing character '&'.", pos.clone()))
}
_ => match self.lexer.next() { _ => match self.lexer.next() {
Some(Token { pos, .. }) => self.error(pos, "unexpected toplevel token"), Some(Token { pos, .. }) => self.error(pos, "unexpected toplevel token"),
_ => unsafe { std::hint::unreachable_unchecked() }, _ => unsafe { std::hint::unreachable_unchecked() },