import { IdentId, Key, Mod } from "../ctx.ts";
import { DefKind, Res } from "./res.ts";

// https://doc.rust-lang.org/nightly/nightly-rustc/rustc_resolve/late/struct.Rib.html
export type Rib = {
    kind: RibKind;
    bindings: Map<Key<IdentId>, Res>;
};

// https://doc.rust-lang.org/nightly/nightly-rustc/rustc_resolve/late/enum.RibKind.html
export type RibKind =
    /// No restriction needs to be applied.
    | { tag: "normal" }
    /// We passed through a function, closure or coroutine signature. Disallow labels.
    | { tag: "fn" }
    /// We passed through an item scope. Disallow upvars.
    | { tag: "item"; defKind: DefKind }
    /// We passed through a module.
    | { tag: "mod"; mod: Mod }
    /// We passed through a block (same as module, see Rust).
    | { tag: "block" };