1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-12-23 15:49:44 -05:00
denoland-deno/js/os.ts

113 lines
3.6 KiB
TypeScript
Raw Normal View History

// Copyright 2018 the Deno authors. All rights reserved. MIT license.
import { ModuleInfo } from "./types";
2018-07-25 23:07:50 -04:00
import { deno as fbs } from "gen/msg_generated";
import { assert } from "./util";
import * as util from "./util";
import { flatbuffers } from "flatbuffers";
2018-08-01 15:56:27 -04:00
export function exit(exitCode = 0): never {
const builder = new flatbuffers.Builder();
fbs.Exit.startExit(builder);
fbs.Exit.addCode(builder, exitCode);
const msg = fbs.Exit.endExit(builder);
fbs.Base.startBase(builder);
fbs.Base.addMsg(builder, msg);
fbs.Base.addMsgType(builder, fbs.Any.Exit);
builder.finish(fbs.Base.endBase(builder));
deno.send(builder.asUint8Array());
throw Error("Unreachable");
}
export function codeFetch(
moduleSpecifier: string,
containingFile: string
): ModuleInfo {
util.log("os.ts codeFetch", moduleSpecifier, containingFile);
// Send CodeFetch message
const builder = new flatbuffers.Builder();
const moduleSpecifier_ = builder.createString(moduleSpecifier);
const containingFile_ = builder.createString(containingFile);
fbs.CodeFetch.startCodeFetch(builder);
fbs.CodeFetch.addModuleSpecifier(builder, moduleSpecifier_);
fbs.CodeFetch.addContainingFile(builder, containingFile_);
const msg = fbs.CodeFetch.endCodeFetch(builder);
fbs.Base.startBase(builder);
fbs.Base.addMsg(builder, msg);
fbs.Base.addMsgType(builder, fbs.Any.CodeFetch);
builder.finish(fbs.Base.endBase(builder));
const resBuf = deno.send(builder.asUint8Array());
// Process CodeFetchRes
const bb = new flatbuffers.ByteBuffer(new Uint8Array(resBuf));
const baseRes = fbs.Base.getRootAsBase(bb);
if (fbs.Any.NONE === baseRes.msgType()) {
throw Error(baseRes.error());
}
assert(fbs.Any.CodeFetchRes === baseRes.msgType());
const codeFetchRes = new fbs.CodeFetchRes();
assert(baseRes.msg(codeFetchRes) != null);
const r = {
moduleName: codeFetchRes.moduleName(),
filename: codeFetchRes.filename(),
sourceCode: codeFetchRes.sourceCode(),
2018-07-09 01:09:56 -04:00
outputCode: codeFetchRes.outputCode()
};
return r;
}
export function codeCache(
filename: string,
sourceCode: string,
outputCode: string
): void {
util.log("os.ts codeCache", filename, sourceCode, outputCode);
const builder = new flatbuffers.Builder();
const filename_ = builder.createString(filename);
const sourceCode_ = builder.createString(sourceCode);
const outputCode_ = builder.createString(outputCode);
fbs.CodeCache.startCodeCache(builder);
fbs.CodeCache.addFilename(builder, filename_);
fbs.CodeCache.addSourceCode(builder, sourceCode_);
fbs.CodeCache.addOutputCode(builder, outputCode_);
const msg = fbs.CodeCache.endCodeCache(builder);
fbs.Base.startBase(builder);
fbs.Base.addMsg(builder, msg);
fbs.Base.addMsgType(builder, fbs.Any.CodeCache);
builder.finish(fbs.Base.endBase(builder));
const resBuf = deno.send(builder.asUint8Array());
2018-07-26 17:54:22 -04:00
// Expect null or error.
if (resBuf != null) {
const bb = new flatbuffers.ByteBuffer(new Uint8Array(resBuf));
const baseRes = fbs.Base.getRootAsBase(bb);
assert(fbs.Any.NONE === baseRes.msgType());
throw Error(baseRes.error());
}
}
export function readFileSync(filename: string): Uint8Array {
assert(false, "Not Implemented");
return null;
2018-07-09 01:09:56 -04:00
/*
const res = pubInternal("os", {
command: fbs.Command.READ_FILE_SYNC,
readFileSyncFilename: filename
});
return res.readFileSyncData;
*/
}
export function writeFileSync(
filename: string,
data: Uint8Array,
perm: number
): void {
assert(false, "Not Implemented");
2018-07-09 01:09:56 -04:00
/*
pubInternal("os", {
command: fbs.Command.WRITE_FILE_SYNC,
writeFileSyncFilename: filename,
writeFileSyncData: data,
writeFileSyncPerm: perm
});
*/
}