def in.up.go

bend-osdev-acpi@0.1.1.0 · aml_interp.bend:400

import Base
import bend-osdev-word64@0.1.1.0/word64.bend as W
import bend-osdev-acpi@0.1.1.0/aml_ns.bend as S

400def in.up.go(n: Nat, hit: Bool, +ns: S.AmlNs, +p: String, +seg: String) -> W.W64:
401  match n:
402    case 0n:
403      W.W64.zero()
404    case 1n+k:
405      match hit:
406        case True{}:
407          in.name_int(ns, S.AmlPath.child(p, seg))
408        case False{}:
409          +up = S.AmlPath.parent(p)
410          in.up.go(k, S.AmlNs.has(ns, S.AmlPath.child(up, seg)), ns, up, seg)