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v8: add a js class for Serializer/Dserializer #13541

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zimbabao
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@zimbabao zimbabao commented Jun 8, 2017

Calling Serializer/Deserlizer without new crashes node.
Adding a js class which just inherits cpp bindings.

Fixes: #13326

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes (test failing on master too)
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines
Affected core subsystem(s)

Calling Serializer/Deserlizer without new crashes node.
Adding a js class which just inherits cpp bindings.

Fixes: nodejs#13326
@bnoordhuis
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Can you add some regression tests?

There were some gotchas around new.target and native code but I forgot the details. It would be interesting to see if class S extends v8.Serializer works and what instance.method.call({}) does.

I expect it throws an 'illegal invocation' exception but it would be good to verify that.

@addaleax
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addaleax commented Jun 8, 2017

interesting to see if class S extends v8.Serializer works

It does, we already extend it :)

@bnoordhuis
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I mean when you extend the class that this PR introduces.

@TimothyGu
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TimothyGu commented Jun 8, 2017

@bnoordhuis, the classes this PR introduces are already extended further down the file by DefaultSerializer and DefaultDeserializer.

@bnoordhuis
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Okay. Regression tests for the other issues would still be good though.

@mscdex mscdex added the v8 engine Issues and PRs related to the V8 dependency. label Jun 8, 2017
Calling Serializer/Deserlizer without new crashes node.
Adding a js class which just inherits cpp bindings.

Fixes: nodejs#13326
@zimbabao
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zimbabao commented Jun 8, 2017

@bnoordhuis : Added regression tests.

@@ -131,3 +131,19 @@ const objects = [

assert.deepStrictEqual(v8.deserialize(buf), expectedResult);
}

{
try {
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Can you use assert.throws() for these.

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@cjihrig : Made suggested changes.

Calling Serializer/Deserlizer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added refression tests.

Fixes: nodejs#13326
v8.Serializer();
},
Error,
"Class constructor Serializer cannot be invoked without 'new'"
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Can you do something more like this:

assert.throws(
  () => { v8.Serializer(); },
  /^Error: Class constructor Serializer cannot be invoked without 'new'$/
);

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@cjihrig : Done

@mscdex
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mscdex commented Jun 8, 2017

There are typos in the commit message(s): s/Dserializer/Deserializer/

@zimbabao
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zimbabao commented Jun 8, 2017

@mscdex : Thanks, fixed

@zimbabao
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zimbabao commented Jun 8, 2017

Can somebody fire a CI job for this.

@mscdex
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mscdex commented Jun 8, 2017

s/refression/regression/ in commit message(s) too.

CI: https://ci.nodejs.org/job/node-test-pull-request/8573/

Calling Serializer/Deserializer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added regression tests.

Fixes: nodejs#13326
@zimbabao
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zimbabao commented Jun 8, 2017

@mscdex : Fixed on top review.

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mscdex commented Jun 9, 2017

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Still LGTM

lib/v8.js Outdated
const { copy } = process.binding('buffer');
const { objectToString } = require('internal/util');
const { FastBuffer } = require('internal/buffer');

class Serializer extends serdesBindings.Serializer {}

class Deserializer extends serdesBindings.Deserializer {}
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I'd prefer something like:

const { Serializer: _Serializer, Deserializer: _Deserializer } = process.binding('serdes');
// ...

class Serializer extends _Serializer { }
class Deserializer extends _Deserializer { }

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Will resend.

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@jasnell : Made changes and added a note.

() => { v8.Deserializer(); },
/^TypeError: Class constructor Deserializer cannot be invoked without 'new'$/
);
}
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Should likely also add a note to the documentation clarifying the requirement

Calling Serializer/Deserializer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added regression tests.

Fixes: nodejs#13326
lib/v8.js Outdated
@@ -15,11 +15,21 @@
'use strict';

const { Buffer } = require('buffer');
const { Serializer, Deserializer } = process.binding('serdes');
const {
Serializer: _Serializer,
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Can you indent two spaces only?

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Done. BTW jslint didn't catch that error. May be we should add a rule?

Calling Serializer/Deserializer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added regression tests.

Fixes: nodejs#13326
@TimothyGu
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@zimbabao
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Tests pass on my mac osx sierra laptop. Above failures looks related to CI, can somebody start another run?.

@addaleax
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Yea, CI is a bit problematic right now, I’m not sure another run would solve much. This code isn’t platform-specific, though, so I think this is okay.

@zimbabao
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@addaleax : Thanks, anything else for landing this?.

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@zimbabao Our rules say that we’ll need to wait until tomorrow to land this, but nothing from your side I think. :)

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LGTM % docs

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refack commented Jun 10, 2017

@addaleax
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Landed in 12fd63d, thanks for the PR!

@addaleax addaleax closed this Jun 12, 2017
addaleax pushed a commit that referenced this pull request Jun 12, 2017
Calling Serializer/Deserializer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added regression tests.

Fixes: #13326
PR-URL: #13541
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
addaleax pushed a commit that referenced this pull request Jun 12, 2017
Calling Serializer/Deserializer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added regression tests.

Fixes: #13326
PR-URL: #13541
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
@addaleax addaleax mentioned this pull request Jun 12, 2017
@gibfahn gibfahn mentioned this pull request Jun 15, 2017
3 tasks
ExE-Boss added a commit to ExE-Boss/node that referenced this pull request Dec 17, 2020
addaleax pushed a commit that referenced this pull request Dec 22, 2020
Fixes: #13326
Refs: #13541
PR-URL: #36549
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
danielleadams pushed a commit that referenced this pull request Jan 12, 2021
Fixes: #13326
Refs: #13541
PR-URL: #36549
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
targos pushed a commit that referenced this pull request May 1, 2021
Fixes: #13326
Refs: #13541
PR-URL: #36549
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
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[8.0.0] v8.Serializer crashes on bad input
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