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Revert json ops (#2814)

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* Revert "port more ops to JSON (#2809)"

This reverts commit 137f33733d.

* Revert "port ops to JSON: compiler, errors, fetch, files (#2804)"

This reverts commit 79f82cf10e.

* Revert "Port rest of os ops to JSON (#2802)"

This reverts commit 5b2baa5c99.
This commit is contained in:
Ryan Dahl 2019-08-24 13:20:48 -07:00 • committed by GitHub
parent bdc0a13261
commit 2235dd795d
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GPG key ID: 4AEE18F83AFDEB23
45 changed files with 1968 additions and 1045 deletions
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52
js/files.ts
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@ -12,22 +12,37 @@ import {
} from "./io";
import { sendAsyncMinimal } from "./dispatch_minimal";
import { assert } from "./util";
import * as dispatch from "./dispatch";
import {
sendSync as sendSyncJson,
sendAsync as sendAsyncJson
} from "./dispatch_json";
import { sendSync, msg, flatbuffers } from "./dispatch_flatbuffers";
import { sendAsync, sendSync, msg, flatbuffers } from "./dispatch_flatbuffers";
import { OP_READ, OP_WRITE } from "./dispatch";
function reqOpen(
filename: string,
mode: OpenMode
): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
const builder = flatbuffers.createBuilder();
const filename_ = builder.createString(filename);
const mode_ = builder.createString(mode);
const inner = msg.Open.createOpen(builder, filename_, 0, mode_);
return [builder, msg.Any.Open, inner];
}
function resOpen(baseRes: null | msg.Base): File {
assert(baseRes != null);
assert(msg.Any.OpenRes === baseRes!.innerType());
const res = new msg.OpenRes();
assert(baseRes!.inner(res) != null);
const rid = res.rid();
// eslint-disable-next-line @typescript-eslint/no-use-before-define
return new File(rid);
}
/** Open a file and return an instance of the `File` object
* synchronously.
*
* const file = Deno.openSync("/foo/bar.txt");
*/
export function openSync(filename: string, mode: OpenMode = "r"): File {
const rid = sendSyncJson(dispatch.OP_OPEN, { filename, mode });
return new File(rid);
return resOpen(sendSync(...reqOpen(filename, mode)));
}
/** Open a file and return an instance of the `File` object.
@ -40,8 +55,7 @@ export async function open(
filename: string,
mode: OpenMode = "r"
): Promise<File> {
const rid = await sendAsyncJson(dispatch.OP_OPEN, { filename, mode });
return new File(rid);
return resOpen(await sendAsync(...reqOpen(filename, mode)));
}
function reqRead(
@ -151,13 +165,23 @@ export async function write(rid: number, p: Uint8Array): Promise<number> {
}
}
function reqSeek(
rid: number,
offset: number,
whence: SeekMode
): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
const builder = flatbuffers.createBuilder();
const inner = msg.Seek.createSeek(builder, rid, offset, whence);
return [builder, msg.Any.Seek, inner];
}
/** Seek a file ID synchronously to the given offset under mode given by `whence`.
*
* const file = Deno.openSync("/foo/bar.txt");
* Deno.seekSync(file.rid, 0, 0);
*/
export function seekSync(rid: number, offset: number, whence: SeekMode): void {
sendSyncJson(dispatch.OP_SEEK, { rid, offset, whence });
sendSync(...reqSeek(rid, offset, whence));
}
/** Seek a file ID to the given offset under mode given by `whence`.
@ -172,12 +196,14 @@ export async function seek(
offset: number,
whence: SeekMode
): Promise<void> {
await sendAsyncJson(dispatch.OP_SEEK, { rid, offset, whence });
await sendAsync(...reqSeek(rid, offset, whence));
}
/** Close the file ID. */
export function close(rid: number): void {
sendSyncJson(dispatch.OP_CLOSE, { rid });
const builder = flatbuffers.createBuilder();
const inner = msg.Close.createClose(builder, rid);
sendSync(builder, msg.Any.Close, inner);
}
/** The Deno abstraction for reading and writing files. */