43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import { Attenuation, toAttenuation } from '../gen/sturdy.js';
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import * as IO from '../gen/protocol.js';
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import { Assertion, Ref } from '../runtime/actor.js';
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import { mapPointers } from '@preserves/core';
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import { pointerNotAllowed } from './sturdy.js';
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export type WireSymbol = { oid: IO.Oid, ref: Ref, count: number };
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export type WireRef =
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| { loc: "mine", oid: IO.Oid }
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| { loc: "your", oid: IO.Oid, attenuation: Attenuation };
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export function myRef(oid: IO.Oid): WireRef & { loc: "mine" } {
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return { loc: 'mine', oid };
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}
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export function yourRef(oid: IO.Oid, attenuation: Attenuation): WireRef & { loc: "your" } {
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return { loc: 'your', oid, attenuation };
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}
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export function toWireRef(v: IO._val): WireRef | undefined {
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if (Array.isArray(v) && v.length >= 2) {
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switch (v[0]) {
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case 0: {
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const oid = v[1];
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if (typeof oid === 'number') return myRef(oid);
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break;
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}
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case 1: {
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const oid = v[1];
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if (typeof oid === 'number') {
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const attenuation = toAttenuation(mapPointers(v.slice(2), pointerNotAllowed) as Array<Assertion>);
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if (attenuation !== void 0) return yourRef(oid, attenuation);
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}
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break;
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}
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default:
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break;
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}
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}
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return void 0;
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}
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