iowo/crates/lang/src/lib.rs

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#![feature(type_alias_impl_trait, lint_reasons, box_into_inner)]
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use crate::lst_parser::syntax_kind::SyntaxKind;
pub mod lst_parser;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum Lang {}
impl rowan::Language for Lang {
type Kind = SyntaxKind;
#[allow(unsafe_code)]
fn kind_from_raw(raw: rowan::SyntaxKind) -> Self::Kind {
assert!(raw.0 <= SyntaxKind::ROOT as u16);
unsafe { std::mem::transmute::<u16, SyntaxKind>(raw.0) }
}
fn kind_to_raw(kind: Self::Kind) -> rowan::SyntaxKind {
kind.into()
}
}
pub type SyntaxNode = rowan::SyntaxNode<Lang>;
pub type SyntaxToken = rowan::SyntaxNode<Lang>;
pub type SyntaxElement = rowan::NodeOrToken<SyntaxNode, SyntaxToken>;