53 lines
805 B
Rust
53 lines
805 B
Rust
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use crate::syn::{op::*, span::*};
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pub enum Expr {
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Base(BaseExpr),
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Bin(Box<BinExpr>),
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Un(Box<UnExpr>),
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}
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impl From<UnExpr> for Expr {
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fn from(un: UnExpr) -> Self {
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Expr::Un(Box::new(un))
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}
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}
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impl From<BinExpr> for Expr {
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fn from(bin: BinExpr) -> Self {
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Expr::Bin(Box::new(bin))
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}
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}
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impl From<BaseExpr> for Expr {
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fn from(base: BaseExpr) -> Self {
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Expr::Base(base)
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}
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}
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pub struct BinExpr {
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pub lhs: Expr,
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pub op: BinOp,
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pub rhs: Expr,
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}
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pub struct UnExpr {
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pub op: UnOp,
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pub expr: Expr,
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pub span: Span,
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}
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pub enum BaseExprKind {
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Ident,
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Num,
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Str,
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Sym,
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List(Vec<Expr>),
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Object(Vec<(Expr, Expr)>),
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Tuple(Vec<Expr>),
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}
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pub struct BaseExpr {
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pub kind: BaseExprKind,
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pub span: Span,
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}
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