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namespace reorg: libdeno and DenoCore to Deno.core (#1998)

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This commit is contained in:
Kitson Kelly 2019-03-26 23:22:07 +11:00 committed by Ryan Dahl
parent ed2977d3c0
commit c43cfedeba
26 changed files with 178 additions and 146 deletions
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1
BUILD.gn
View file

@ -82,7 +82,6 @@ ts_sources = [
"js/globals.ts",
"js/headers.ts",
"js/io.ts",
"js/libdeno.ts",
"js/lib.web_assembly.d.ts",
"js/location.ts",
"js/main.ts",

6
cli/ops.rs
View file

@ -69,9 +69,9 @@ fn empty_buf() -> Buf {
}
/// Processes raw messages from JavaScript.
/// This functions invoked every time libdeno.send() is called.
/// control corresponds to the first argument of libdeno.send().
/// data corresponds to the second argument of libdeno.send().
/// This functions invoked every time Deno.core.dispatch() is called.
/// control corresponds to the first argument of Deno.core.dispatch().
/// data corresponds to the second argument of Deno.core.dispatch().
pub fn dispatch_all(
sc: &IsolateStateContainer,
control: &[u8],

25
core/core.d.ts vendored Normal file
View file

@ -0,0 +1,25 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
// This file contains APIs that are introduced into the global namespace by
// Deno core. These are not intended to be used directly by runtime users of
// Deno and therefore do not flow through to the runtime type library.
declare interface MessageCallback {
(msg: Uint8Array): void;
}
declare interface DenoCore {
dispatch(
control: Uint8Array,
zeroCopy?: ArrayBufferView | null
): Uint8Array | null;
setAsyncHandler(cb: MessageCallback): void;
sharedQueue: {
head(): number;
numRecords(): number;
size(): number;
push(buf: Uint8Array): boolean;
reset(): void;
shift(): Uint8Array | null;
};
}

12
core/http_bench.js
View file

@ -42,7 +42,7 @@ function send(promiseId, opId, arg, zeroCopy = null) {
scratch32[1] = opId;
scratch32[2] = arg;
scratch32[3] = -1;
return DenoCore.dispatch(scratchBytes, zeroCopy);
return Deno.core.dispatch(scratchBytes, zeroCopy);
}
/** Returns Promise<number> */
@ -123,17 +123,17 @@ async function serve(rid) {
}
async function main() {
DenoCore.setAsyncHandler(handleAsyncMsgFromRust);
Deno.core.setAsyncHandler(handleAsyncMsgFromRust);
libdeno.print("http_bench.js start\n");
Deno.core.print("http_bench.js start\n");
const listenerRid = listen();
libdeno.print(`listening http://127.0.0.1:4544/ rid = ${listenerRid}\n`);
Deno.core.print(`listening http://127.0.0.1:4544/ rid = ${listenerRid}\n`);
while (true) {
const rid = await accept(listenerRid);
// libdeno.print(`accepted ${rid}`);
// Deno.core.print(`accepted ${rid}`);
if (rid < 0) {
libdeno.print(`accept error ${rid}`);
Deno.core.print(`accept error ${rid}`);
return;
}
serve(rid);

68
core/isolate.rs
View file

@ -63,8 +63,8 @@ pub trait Behavior {
/// Isolate is created.
fn startup_data(&mut self) -> Option<StartupData>;
/// Called whenever libdeno.send() is called in JavaScript. zero_copy_buf
/// corresponds to the second argument of libdeno.send().
/// Called whenever Deno.core.send() is called in JavaScript. zero_copy_buf
/// corresponds to the second argument of Deno.core.send().
fn dispatch(
&mut self,
control: &[u8],
@ -77,7 +77,7 @@ pub trait Behavior {
/// Tokio. The Isolate future complete when there is an error or when all
/// pending ops have completed.
///
/// Ops are created in JavaScript by calling libdeno.send(), and in Rust by
/// Ops are created in JavaScript by calling Deno.core.send(), and in Rust by
/// implementing Behavior::dispatch. An Op corresponds exactly to a Promise in
/// JavaScript.
pub struct Isolate<B: Behavior> {
@ -125,7 +125,7 @@ impl<B: Behavior> Isolate<B> {
None => libdeno::deno_buf::empty(),
},
shared: shared.as_deno_buf(),
recv_cb: Self::pre_dispatch,
recv_cb: Self::predispatch,
};
let libdeno_isolate = unsafe { libdeno::deno_new(config) };
@ -157,7 +157,7 @@ impl<B: Behavior> Isolate<B> {
}
}
/// Executes a bit of built-in JavaScript to provide Deno._sharedQueue.
/// Executes a bit of built-in JavaScript to provide Deno.sharedQueue.
pub fn shared_init(&mut self) {
if self.needs_init {
self.needs_init = false;
@ -167,7 +167,7 @@ impl<B: Behavior> Isolate<B> {
}
}
extern "C" fn pre_dispatch(
extern "C" fn predispatch(
user_data: *mut c_void,
control_argv0: deno_buf,
zero_copy_buf: deno_buf,
@ -178,12 +178,12 @@ impl<B: Behavior> Isolate<B> {
let control_shared = isolate.shared.shift();
let (is_sync, op) = if control_argv0.len() > 0 {
// The user called libdeno.send(control)
// The user called Deno.core.send(control)
isolate
.behavior
.dispatch(control_argv0.as_ref(), zero_copy_buf)
} else if let Some(c) = control_shared {
// The user called Deno._sharedQueue.push(control)
// The user called Deno.sharedQueue.push(control)
isolate.behavior.dispatch(&c, zero_copy_buf)
} else {
// The sharedQueue is empty. The shouldn't happen usually, but it's also
@ -199,7 +199,7 @@ impl<B: Behavior> Isolate<B> {
if is_sync {
let res_record = op.wait().unwrap();
// For sync messages, we always return the response via libdeno.send's
// For sync messages, we always return the response via Deno.core.send's
// return value.
// TODO(ry) check that if JSError thrown during respond(), that it will be
// picked up.
@ -614,15 +614,15 @@ mod tests {
}
#[test]
fn test_dispatch() {
fn testdispatch() {
let mut isolate = TestBehavior::setup(TestBehaviorMode::AsyncImmediate);
js_check(isolate.execute(
"filename.js",
r#"
let control = new Uint8Array([42]);
libdeno.send(control);
Deno.core.send(control);
async function main() {
libdeno.send(control);
Deno.core.send(control);
}
main();
"#,
@ -641,7 +641,7 @@ mod tests {
import { b } from 'b.js'
if (b() != 'b') throw Error();
let control = new Uint8Array([42]);
libdeno.send(control);
Deno.core.send(control);
"#,
).unwrap();
assert_eq!(isolate.behavior.dispatch_count, 0);
@ -685,7 +685,7 @@ mod tests {
"setup2.js",
r#"
let nrecv = 0;
DenoCore.setAsyncHandler((buf) => {
Deno.core.setAsyncHandler((buf) => {
nrecv++;
});
"#,
@ -696,7 +696,7 @@ mod tests {
r#"
assert(nrecv == 0);
let control = new Uint8Array([42]);
libdeno.send(control);
Deno.core.send(control);
assert(nrecv == 0);
"#,
));
@ -707,7 +707,7 @@ mod tests {
"check2.js",
r#"
assert(nrecv == 1);
libdeno.send(control);
Deno.core.send(control);
assert(nrecv == 1);
"#,
));
@ -727,7 +727,7 @@ mod tests {
"setup2.js",
r#"
let nrecv = 0;
DenoCore.setAsyncHandler((buf) => {
Deno.core.setAsyncHandler((buf) => {
assert(buf.byteLength === 1);
assert(buf[0] === 43);
nrecv++;
@ -740,12 +740,12 @@ mod tests {
"send1.js",
r#"
let control = new Uint8Array([42]);
DenoCore.shared.push(control);
libdeno.send();
Deno.core.sharedQueue.push(control);
Deno.core.send();
assert(nrecv === 0);
DenoCore.shared.push(control);
libdeno.send();
Deno.core.sharedQueue.push(control);
Deno.core.send();
assert(nrecv === 0);
"#,
));
@ -832,10 +832,10 @@ mod tests {
"overflow_req_sync.js",
r#"
let asyncRecv = 0;
DenoCore.setAsyncHandler((buf) => { asyncRecv++ });
Deno.core.setAsyncHandler((buf) => { asyncRecv++ });
// Large message that will overflow the shared space.
let control = new Uint8Array(100 * 1024 * 1024);
let response = DenoCore.dispatch(control);
let response = Deno.core.dispatch(control);
assert(response instanceof Uint8Array);
assert(response.length == 1);
assert(response[0] == 43);
@ -854,10 +854,10 @@ mod tests {
"overflow_res_sync.js",
r#"
let asyncRecv = 0;
DenoCore.setAsyncHandler((buf) => { asyncRecv++ });
Deno.core.setAsyncHandler((buf) => { asyncRecv++ });
// Large message that will overflow the shared space.
let control = new Uint8Array([42]);
let response = DenoCore.dispatch(control);
let response = Deno.core.dispatch(control);
assert(response instanceof Uint8Array);
assert(response.length == 100 * 1024 * 1024);
assert(response[0] == 99);
@ -874,14 +874,14 @@ mod tests {
"overflow_req_async.js",
r#"
let asyncRecv = 0;
DenoCore.setAsyncHandler((buf) => {
Deno.core.setAsyncHandler((buf) => {
assert(buf.byteLength === 1);
assert(buf[0] === 43);
asyncRecv++;
});
// Large message that will overflow the shared space.
let control = new Uint8Array(100 * 1024 * 1024);
let response = DenoCore.dispatch(control);
let response = Deno.core.dispatch(control);
// Async messages always have null response.
assert(response == null);
assert(asyncRecv == 0);
@ -901,14 +901,14 @@ mod tests {
"overflow_res_async.js",
r#"
let asyncRecv = 0;
DenoCore.setAsyncHandler((buf) => {
Deno.core.setAsyncHandler((buf) => {
assert(buf.byteLength === 100 * 1024 * 1024);
assert(buf[0] === 4);
asyncRecv++;
});
// Large message that will overflow the shared space.
let control = new Uint8Array([42]);
let response = DenoCore.dispatch(control);
let response = Deno.core.dispatch(control);
assert(response == null);
assert(asyncRecv == 0);
"#,
@ -919,27 +919,27 @@ mod tests {
}
#[test]
fn overflow_res_multiple_dispatch_async() {
fn overflow_res_multipledispatch_async() {
// TODO(ry) This test is quite slow due to memcpy-ing 100MB into JS. We
// should optimize this.
let mut isolate = TestBehavior::setup(TestBehaviorMode::OverflowResAsync);
js_check(isolate.execute(
"overflow_res_multiple_dispatch_async.js",
"overflow_res_multipledispatch_async.js",
r#"
let asyncRecv = 0;
DenoCore.setAsyncHandler((buf) => {
Deno.core.setAsyncHandler((buf) => {
assert(buf.byteLength === 100 * 1024 * 1024);
assert(buf[0] === 4);
asyncRecv++;
});
// Large message that will overflow the shared space.
let control = new Uint8Array([42]);
let response = DenoCore.dispatch(control);
let response = Deno.core.dispatch(control);
assert(response == null);
assert(asyncRecv == 0);
// Dispatch another message to verify that pending ops
// are done even if shared space overflows
DenoCore.dispatch(control);
Deno.core.dispatch(control);
"#,
));
assert_eq!(isolate.behavior.dispatch_count, 2);

35
core/shared_queue.js
View file

@ -1,5 +1,8 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
(window => {
const GLOBAL_NAMESPACE = "Deno";
const CORE_NAMESPACE = "core";
const MAX_RECORDS = 100;
const INDEX_NUM_RECORDS = 0;
const INDEX_NUM_SHIFTED_OFF = 1;
@ -8,8 +11,11 @@
const INDEX_RECORDS = 3 + MAX_RECORDS;
const HEAD_INIT = 4 * INDEX_RECORDS;
let sharedBytes = null;
let shared32 = null;
const Deno = window[GLOBAL_NAMESPACE];
const core = Deno[CORE_NAMESPACE];
let sharedBytes;
let shared32;
function assert(cond) {
if (!cond) {
@ -92,10 +98,12 @@
reset();
}
assert(off != null);
assert(end != null);
return sharedBytes.subarray(off, end);
}
let asyncHandler = null;
let asyncHandler;
function setAsyncHandler(cb) {
assert(asyncHandler == null);
asyncHandler = cb;
@ -117,23 +125,22 @@
assert(shared32 == null);
sharedBytes = new Uint8Array(shared);
shared32 = new Int32Array(shared);
// Callers should not call libdeno.recv, use setAsyncHandler.
libdeno.recv(handleAsyncMsgFromRust);
// Callers should not call Deno.core.recv, use setAsyncHandler.
window.Deno.core.recv(handleAsyncMsgFromRust);
}
function dispatch(control, zeroCopy = null) {
// First try to push control to shared.
const success = push(control);
// If successful, don't use first argument of libdeno.send.
// If successful, don't use first argument of core.send.
const arg0 = success ? null : control;
return libdeno.send(arg0, zeroCopy);
return window.Deno.core.send(arg0, zeroCopy);
}
assert(!window["DenoCore"]);
window["DenoCore"] = {
const denoCore = {
setAsyncHandler,
dispatch,
shared: {
sharedQueue: {
head,
numRecords,
size,
@ -143,5 +150,9 @@
}
};
init(libdeno.shared);
})(this);
assert(window[GLOBAL_NAMESPACE] != null);
assert(window[GLOBAL_NAMESPACE][CORE_NAMESPACE] != null);
Object.assign(core, denoCore);
init(Deno.core.shared);
})(globalThis);

4
core/shared_queue_test.js
View file

@ -7,7 +7,7 @@ function assert(cond) {
}
function main() {
const q = DenoCore.shared;
const q = Deno.core.sharedQueue;
let h = q.head();
assert(h > 0);
@ -56,7 +56,7 @@ function main() {
assert(q.numRecords() == 0);
assert(q.size() == 0);
libdeno.print("shared_queue_test.js ok\n");
Deno.core.print("shared_queue_test.js ok\n");
}
main();

4
js/compiler.ts
View file

@ -4,7 +4,7 @@ import * as msg from "gen/msg_generated";
import { window } from "./window";
import { assetSourceCode } from "./assets";
import { Console } from "./console";
import { libdeno } from "./libdeno";
import { core } from "./core";
import * as os from "./os";
import { TextDecoder, TextEncoder } from "./text_encoding";
import { clearTimer, setTimeout } from "./timers";
@ -16,7 +16,7 @@ const ASSETS = "$asset$";
const LIB_RUNTIME = `${ASSETS}/lib.deno_runtime.d.ts`;
// An instance of console
const console = new Console(libdeno.print);
const console = new Console(core.print);
/** The location that a module is being loaded from. This could be a directory,
* like `.`, or it could be a module specifier like

4
js/console.ts
View file

@ -5,7 +5,7 @@ import { TextEncoder } from "./text_encoding";
import { File, stdout } from "./files";
import { cliTable } from "./console_table";
import { formatError } from "./format_error";
import { libdeno } from "./libdeno";
import { core } from "./core";
type ConsoleContext = Set<unknown>;
type ConsoleOptions = Partial<{
@ -323,7 +323,7 @@ function createObjectString(
...args: [ConsoleContext, number, number]
): string {
if (value instanceof Error) {
const errorJSON = libdeno.errorToJSON(value);
const errorJSON = core.errorToJSON(value);
return formatError(errorJSON);
} else if (Array.isArray(value)) {
return createArrayString(value, ...args);

11
js/core.ts
View file

@ -1,13 +1,4 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { window } from "./window";
type MessageCallback = (msg: Uint8Array) => void;
// Declared in core/shared_queue.js.
interface DenoCore {
setAsyncHandler(cb: MessageCallback): void;
dispatch(control: Uint8Array, zeroCopy?: Uint8Array): null | Uint8Array;
}
// TODO(ry) Rename to Deno.core.shared and Deno.core.setAsyncHandler.
export const DenoCore = window.DenoCore as DenoCore;
export const core = window.Deno.core as DenoCore;

6
js/deno.ts
View file

@ -49,7 +49,6 @@ export { statSync, lstatSync, stat, lstat } from "./stat";
export { symlinkSync, symlink } from "./symlink";
export { writeFileSync, writeFile, WriteFileOptions } from "./write_file";
export { ErrorKind, DenoError } from "./errors";
export { libdeno } from "./libdeno";
export {
permissions,
revokePermission,
@ -67,6 +66,11 @@ export { build, platform, OperatingSystem, Arch } from "./build";
export { version } from "./version";
export const args: string[] = [];
// These are internal Deno APIs. We are marking them as internal so they do not
// appear in the runtime type library.
/** @internal */
export { core } from "./core";
// TODO Don't expose Console nor stringifyArgs.
/** @internal */
export { Console, stringifyArgs } from "./console";

4
js/dispatch.ts
View file

@ -1,5 +1,5 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { window } from "./window";
import { core } from "./core";
import * as flatbuffers from "./flatbuffers";
import * as msg from "gen/msg_generated";
import * as errors from "./errors";
@ -39,7 +39,7 @@ function sendInternal(
builder.finish(msg.Base.endBase(builder));
const control = builder.asUint8Array();
const response = window.DenoCore.dispatch(control, zeroCopy);
const response = core.dispatch(control, zeroCopy);
builder.inUse = false;
return [cmdId, response];

4
js/event.ts
View file

@ -21,7 +21,7 @@ export class EventInit implements domTypes.EventInit {
export class Event implements domTypes.Event {
// Each event has the following associated flags
private _canceledFlag = false;
private _dispatchedFlag = false;
private dispatchedFlag = false;
private _initializedFlag = false;
private _inPassiveListenerFlag = false;
private _stopImmediatePropagationFlag = false;
@ -76,7 +76,7 @@ export class Event implements domTypes.Event {
}
get dispatched(): boolean {
return this._dispatchedFlag;
return this.dispatchedFlag;
}
get eventPhase(): number {

2
js/flatbuffers.ts
View file

@ -17,7 +17,7 @@ globalBuilder.inUse = false;
// This is a wrapper around the real Builder .
// The purpose is to reuse a single ArrayBuffer for every message.
// We can do this because the "control" messages sent to the privileged
// side are guaranteed to be used during the call to libdeno.send().
// side are guaranteed to be used during the call to Deno.core.send().
export function createBuilder(): Builder {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const gb = globalBuilder as any;

5
js/globals.ts
View file

@ -27,7 +27,7 @@ import * as performanceUtil from "./performance";
// These imports are not exposed and therefore are fine to just import the
// symbols required.
import { libdeno } from "./libdeno";
import { core } from "./core";
// During the build process, augmentations to the variable `window` in this
// file are tracked and created as part of default library that is built into
@ -43,7 +43,6 @@ window.window = window;
// This is the Deno namespace, it is handled differently from other window
// properties when building the runtime type library, as the whole module
// is flattened into a single namespace.
window.Deno = deno;
Object.freeze(window.Deno);
@ -53,7 +52,7 @@ window.btoa = textEncoding.btoa;
window.fetch = fetchTypes.fetch;
window.clearTimeout = timers.clearTimer;
window.clearInterval = timers.clearTimer;
window.console = new consoleTypes.Console(libdeno.print);
window.console = new consoleTypes.Console(core.print);
window.setTimeout = timers.setTimeout;
window.setInterval = timers.setInterval;
window.location = (undefined as unknown) as domTypes.Location;

11
js/os.ts
View file

@ -1,6 +1,6 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import * as msg from "gen/msg_generated";
import { window } from "./window";
import { core } from "./core";
import { handleAsyncMsgFromRust, sendSync } from "./dispatch";
import * as flatbuffers from "./flatbuffers";
import { TextDecoder } from "./text_encoding";
@ -16,12 +16,7 @@ export let noColor: boolean;
/** Path to the current deno process's executable file. */
export let execPath: string;
/** @internal */
export function setGlobals(
pid_: number,
noColor_: boolean,
execPath_: string
): void {
function setGlobals(pid_: number, noColor_: boolean, execPath_: string): void {
assert(!pid);
pid = pid_;
noColor = noColor_;
@ -169,7 +164,7 @@ function sendStart(): msg.StartRes {
// the runtime and the compiler environments.
// @internal
export function start(source?: string): msg.StartRes {
window.DenoCore.setAsyncHandler(handleAsyncMsgFromRust);
core.setAsyncHandler(handleAsyncMsgFromRust);
// First we send an empty `Start` message to let the privileged side know we
// are ready. The response should be a `StartRes` message containing the CLI

10
js/repl.ts
View file

@ -6,7 +6,7 @@ import { close } from "./files";
import * as dispatch from "./dispatch";
import { exit } from "./os";
import { window } from "./window";
import { libdeno } from "./libdeno";
import { core } from "./core";
import { formatError } from "./format_error";
const helpMsg = [
@ -90,7 +90,7 @@ function isRecoverableError(e: Error): boolean {
// Returns true if code is consumed (no error/irrecoverable error).
// Returns false if error is recoverable
function evaluate(code: string): boolean {
const [result, errInfo] = libdeno.evalContext(code);
const [result, errInfo] = core.evalContext(code);
if (!errInfo) {
console.log(result);
} else if (errInfo.isCompileError && isRecoverableError(errInfo.thrown)) {
@ -99,7 +99,7 @@ function evaluate(code: string): boolean {
} else {
if (errInfo.isNativeError) {
const formattedError = formatError(
libdeno.errorToJSON(errInfo.thrown as Error)
core.errorToJSON(errInfo.thrown as Error)
);
console.error(formattedError);
} else {
@ -140,7 +140,7 @@ export async function replLoop(): Promise<void> {
if (err.message !== "Interrupted") {
// e.g. this happens when we have deno.close(3).
// We want to display the problem.
const formattedError = formatError(libdeno.errorToJSON(err));
const formattedError = formatError(core.errorToJSON(err));
console.error(formattedError);
}
// Quit REPL anyways.
@ -162,7 +162,7 @@ export async function replLoop(): Promise<void> {
} else {
// e.g. this happens when we have deno.close(3).
// We want to display the problem.
const formattedError = formatError(libdeno.errorToJSON(err));
const formattedError = formatError(core.errorToJSON(err));
console.error(formattedError);
quitRepl(1);
}

2
libdeno/api.cc
View file

@ -177,7 +177,7 @@ void deno_respond(Deno* d_, void* user_data, deno_buf buf) {
auto recv_ = d->recv_.Get(d->isolate_);
if (recv_.IsEmpty()) {
d->last_exception_ = "libdeno.recv_ has not been called.";
d->last_exception_ = "Deno.core.recv has not been called.";
return;
}

19
libdeno/binding.cc
View file

@ -232,7 +232,7 @@ void Recv(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::HandleScope handle_scope(isolate);
if (!d->recv_.IsEmpty()) {
isolate->ThrowException(v8_str("libdeno.recv_ already called."));
isolate->ThrowException(v8_str("Deno.core.recv already called."));
return;
}
@ -485,33 +485,36 @@ void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context) {
auto global = context->Global();
auto deno_val = v8::Object::New(isolate);
CHECK(global->Set(context, deno::v8_str("libdeno"), deno_val).FromJust());
CHECK(global->Set(context, deno::v8_str("Deno"), deno_val).FromJust());
auto core_val = v8::Object::New(isolate);
CHECK(deno_val->Set(context, deno::v8_str("core"), core_val).FromJust());
auto print_tmpl = v8::FunctionTemplate::New(isolate, Print);
auto print_val = print_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("print"), print_val).FromJust());
CHECK(core_val->Set(context, deno::v8_str("print"), print_val).FromJust());
auto recv_tmpl = v8::FunctionTemplate::New(isolate, Recv);
auto recv_val = recv_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("recv"), recv_val).FromJust());
CHECK(core_val->Set(context, deno::v8_str("recv"), recv_val).FromJust());
auto send_tmpl = v8::FunctionTemplate::New(isolate, Send);
auto send_val = send_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("send"), send_val).FromJust());
CHECK(core_val->Set(context, deno::v8_str("send"), send_val).FromJust());
auto eval_context_tmpl = v8::FunctionTemplate::New(isolate, EvalContext);
auto eval_context_val =
eval_context_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("evalContext"), eval_context_val)
CHECK(core_val->Set(context, deno::v8_str("evalContext"), eval_context_val)
.FromJust());
auto error_to_json_tmpl = v8::FunctionTemplate::New(isolate, ErrorToJSON);
auto error_to_json_val =
error_to_json_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("errorToJSON"), error_to_json_val)
CHECK(core_val->Set(context, deno::v8_str("errorToJSON"), error_to_json_val)
.FromJust());
CHECK(deno_val->SetAccessor(context, deno::v8_str("shared"), Shared)
CHECK(core_val->SetAccessor(context, deno::v8_str("shared"), Shared)
.FromJust());
}

10
libdeno/deno.h
View file

@ -23,7 +23,7 @@ typedef struct deno_s Deno;
// A callback to receive a message from a libdeno.send() javascript call.
// control_buf is valid for only for the lifetime of this callback.
// data_buf is valid until deno_respond() is called.
typedef void (*deno_recv_cb)(void* user_data, deno_buf control_buf,
typedef void (*denorecv_cb)(void* user_data, deno_buf control_buf,
deno_buf zerop_copy_buf);
void deno_init();
@ -34,7 +34,7 @@ typedef struct {
int will_snapshot; // Default 0. If calling deno_get_snapshot 1.
deno_buf load_snapshot; // Optionally: A deno_buf from deno_get_snapshot.
deno_buf shared; // Shared buffer to be mapped to libdeno.shared
deno_recv_cb recv_cb; // Maps to libdeno.send() calls.
denorecv_cb recv_cb; // Maps to libdeno.send() calls.
} deno_config;
// Create a new deno isolate.
@ -57,13 +57,13 @@ void deno_unlock(Deno* d);
void deno_execute(Deno* d, void* user_data, const char* js_filename,
const char* js_source);
// deno_respond sends up to one message back for every deno_recv_cb made.
// deno_respond sends up to one message back for every denorecv_cb made.
//
// If this is called during deno_recv_cb, the issuing libdeno.send() in
// If this is called during denorecv_cb, the issuing libdeno.send() in
// javascript will synchronously return the specified buf as an ArrayBuffer (or
// null if buf is empty).
//
// If this is called after deno_recv_cb has returned, the deno_respond
// If this is called after denorecv_cb has returned, the deno_respond
// will call into the JS callback specified by libdeno.recv().
//
// (Ideally, but not currently: After calling deno_respond(), the caller no

4
libdeno/internal.h
View file

@ -104,7 +104,7 @@ class DenoIsolate {
const v8::FunctionCallbackInfo<v8::Value>* current_args_;
v8::SnapshotCreator* snapshot_creator_;
void* global_import_buf_ptr_;
deno_recv_cb recv_cb_;
denorecv_cb recv_cb_;
size_t next_zero_copy_id_;
void* user_data_;
@ -170,7 +170,7 @@ static intptr_t external_references[] = {
static const deno_buf empty_buf = {nullptr, 0, nullptr, 0, 0};
Deno* NewFromSnapshot(void* user_data, deno_recv_cb cb);
Deno* NewFromSnapshot(void* user_data, denorecv_cb cb);
void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context);

12
js/libdeno.ts → libdeno/libdeno.d.ts vendored
View file

@ -1,8 +1,4 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { window } from "./window";
// The libdeno functions are moved so that users can't access them.
type MessageCallback = (msg: Uint8Array) => void;
interface EvalErrorInfo {
// Is the object thrown a native Error?
@ -16,7 +12,11 @@ interface EvalErrorInfo {
thrown: any;
}
interface Libdeno {
declare interface MessageCallback {
(msg: Uint8Array): void;
}
declare interface DenoCore {
recv(cb: MessageCallback): void;
send(
@ -38,5 +38,3 @@ interface Libdeno {
errorToJSON: (e: Error) => string;
}
export const libdeno = window.libdeno as Libdeno;

2
libdeno/libdeno_test.cc
View file

@ -320,7 +320,7 @@ TEST(LibDenoTest, SharedAtomics) {
deno_buf shared = {nullptr, 0, reinterpret_cast<uint8_t*>(s), sizeof s, 0};
Deno* d = deno_new(deno_config{0, empty, shared, nullptr});
deno_execute(d, nullptr, "a.js",
"Atomics.add(new Int32Array(libdeno.shared), 0, 1)");
"Atomics.add(new Int32Array(Deno.core.shared), 0, 1)");
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(s[0], 1);
EXPECT_EQ(s[1], 1);

47
libdeno/libdeno_test.js
View file

@ -10,7 +10,7 @@ function assert(cond) {
}
global.CanCallFunction = () => {
libdeno.print("Hello world from foo");
Deno.core.print("Hello world from foo");
return "foo";
};
@ -28,15 +28,15 @@ global.TypedArraySnapshots = () => {
global.RecvReturnEmpty = () => {
const m1 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
const m2 = m1.slice();
const r1 = libdeno.send(m1);
const r1 = Deno.core.send(m1);
assert(r1 == null);
const r2 = libdeno.send(m2);
const r2 = Deno.core.send(m2);
assert(r2 == null);
};
global.RecvReturnBar = () => {
const m = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
const r = libdeno.send(m);
const r = Deno.core.send(m);
assert(r instanceof Uint8Array);
assert(r.byteLength === 3);
const rstr = String.fromCharCode(...r);
@ -44,10 +44,10 @@ global.RecvReturnBar = () => {
};
global.DoubleRecvFails = () => {
// libdeno.recv is an internal function and should only be called once from the
// Deno.core.recv is an internal function and should only be called once from the
// runtime.
libdeno.recv((channel, msg) => assert(false));
libdeno.recv((channel, msg) => assert(false));
Deno.core.recv((channel, msg) => assert(false));
Deno.core.recv((channel, msg) => assert(false));
};
global.SendRecvSlice = () => {
@ -58,7 +58,7 @@ global.SendRecvSlice = () => {
buf[0] = 100 + i;
buf[buf.length - 1] = 100 - i;
// On the native side, the slice is shortened by 19 bytes.
buf = libdeno.send(buf);
buf = Deno.core.send(buf);
assert(buf.byteOffset === i * 11);
assert(buf.byteLength === abLen - i * 30 - 19);
assert(buf.buffer.byteLength == abLen);
@ -78,17 +78,17 @@ global.JSSendArrayBufferViewTypes = () => {
const ab1 = new ArrayBuffer(4321);
const u8 = new Uint8Array(ab1, 2468, 1000);
u8[0] = 1;
libdeno.send(u8);
Deno.core.send(u8);
// Send Uint32Array.
const ab2 = new ArrayBuffer(4321);
const u32 = new Uint32Array(ab2, 2468, 1000 / Uint32Array.BYTES_PER_ELEMENT);
u32[0] = 0x02020202;
libdeno.send(u32);
Deno.core.send(u32);
// Send DataView.
const ab3 = new ArrayBuffer(4321);
const dv = new DataView(ab3, 2468, 1000);
dv.setUint8(0, 3);
libdeno.send(dv);
Deno.core.send(dv);
};
// The following join has caused SnapshotBug to segfault when using kKeep.
@ -110,7 +110,7 @@ global.ZeroCopyBuf = () => {
const b = zeroCopyBuf;
// The second parameter of send should modified by the
// privileged side.
const r = libdeno.send(a, b);
const r = Deno.core.send(a, b);
assert(r == null);
// b is different.
assert(b[0] === 4);
@ -129,15 +129,15 @@ global.CheckPromiseErrors = () => {
try {
await fn();
} catch (e) {
libdeno.send(new Uint8Array([42]));
Deno.core.send(new Uint8Array([42]));
}
})();
};
global.Shared = () => {
const ab = libdeno.shared;
const ab = Deno.core.shared;
assert(ab instanceof SharedArrayBuffer);
assert(libdeno.shared != undefined);
assert(Deno.core.shared != undefined);
assert(ab.byteLength === 3);
const ui8 = new Uint8Array(ab);
assert(ui8[0] === 0);
@ -149,45 +149,46 @@ global.Shared = () => {
};
global.LibDenoEvalContext = () => {
const [result, errInfo] = libdeno.evalContext("let a = 1; a");
const [result, errInfo] = Deno.core.evalContext("let a = 1; a");
assert(result === 1);
assert(!errInfo);
const [result2, errInfo2] = libdeno.evalContext("a = a + 1; a");
const [result2, errInfo2] = Deno.core.evalContext("a = a + 1; a");
assert(result2 === 2);
assert(!errInfo2);
};
global.LibDenoEvalContextError = () => {
const [result, errInfo] = libdeno.evalContext("not_a_variable");
const [result, errInfo] = Deno.core.evalContext("not_a_variable");
assert(!result);
assert(!!errInfo);
assert(errInfo.isNativeError); // is a native error (ReferenceError)
assert(!errInfo.isCompileError); // is NOT a compilation error
assert(errInfo.thrown.message === "not_a_variable is not defined");
const [result2, errInfo2] = libdeno.evalContext("throw 1");
const [result2, errInfo2] = Deno.core.evalContext("throw 1");
assert(!result2);
assert(!!errInfo2);
assert(!errInfo2.isNativeError); // is NOT a native error
assert(!errInfo2.isCompileError); // is NOT a compilation error
assert(errInfo2.thrown === 1);
const [result3, errInfo3] =
libdeno.evalContext("class AError extends Error {}; throw new AError('e')");
const [result3, errInfo3] = Deno.core.evalContext(
"class AError extends Error {}; throw new AError('e')"
);
assert(!result3);
assert(!!errInfo3);
assert(errInfo3.isNativeError); // extend from native error, still native error
assert(!errInfo3.isCompileError); // is NOT a compilation error
assert(errInfo3.thrown.message === "e");
const [result4, errInfo4] = libdeno.evalContext("{");
const [result4, errInfo4] = Deno.core.evalContext("{");
assert(!result4);
assert(!!errInfo4);
assert(errInfo4.isNativeError); // is a native error (SyntaxError)
assert(errInfo4.isCompileError); // is a compilation error! (braces not closed)
assert(errInfo4.thrown.message === "Unexpected end of input");
const [result5, errInfo5] = libdeno.evalContext("eval('{')");
const [result5, errInfo5] = Deno.core.evalContext("eval('{')");
assert(!result5);
assert(!!errInfo5);
assert(errInfo5.isNativeError); // is a native error (SyntaxError)

6
libdeno/modules_test.cc
View file

@ -19,7 +19,7 @@ TEST(ModulesTest, Resolution) {
static deno_mod a = deno_mod_new(d, true, "a.js",
"import { b } from 'b.js'\n"
"if (b() != 'b') throw Error();\n"
"libdeno.send(new Uint8Array([4]));");
"Deno.core.send(new Uint8Array([4]));");
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
@ -71,7 +71,7 @@ TEST(ModulesTest, ResolutionError) {
static deno_mod a = deno_mod_new(d, true, "a.js",
"import 'bad'\n"
"libdeno.send(new Uint8Array([4]));");
"Deno.core.send(new Uint8Array([4]));");
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
@ -105,7 +105,7 @@ TEST(ModulesTest, ImportMetaUrl) {
static deno_mod a =
deno_mod_new(d, true, "a.js",
"if ('a.js' != import.meta.url) throw 'hmm'\n"
"libdeno.send(new Uint8Array([4]));");
"Deno.core.send(new Uint8Array([4]));");
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));

8
tsconfig.json
View file

@ -22,5 +22,11 @@
"target": "esnext",
"types": []
},
"files": ["js/lib.web_assembly.d.ts", "js/main.ts", "js/compiler.ts"]
"files": [
"js/lib.web_assembly.d.ts",
"core/core.d.ts",
"libdeno/libdeno.d.ts",
"js/main.ts",
"js/compiler.ts"
]
}