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Questions tagged [embedded-v8]

229 questions
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Is it required to grab v8::Locker before making v8::Function::Call?

I'm using V8 to execute some custom javascript code, exposing OnUpdate function to JS world. Overall code works fine but currently I'm concerned about performance of below code - is it required to grab v8::Locker for executing any user defined…
Abhi
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how to convert node-addon Persistent to Local?

I'm trying to update a node.js addon using the old v8 API. Here is my wrapper.cpp code: std::map > WrapMdUser::callback_map; void WrapMdUser::FunCallback(CbRtnField *data) { std::map >::iterator…
Sulliwane
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V8 NewInstance failing when ObjectTemplate has a Date member

Is V8 Broken or am I? I want to add a JS Date to a Object available in the global object. This works with a older version (4.9.385.28) but fails with (5.0.71.33)... see output g++ -I/usr/local core.c -o testCore -ldl -pthread -std=c++0x -lv8…
Matt
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How can I make an object immutable in the Google V8 Javascript engine?

Is it possible to make an object immutable in the V8 Javascript Engine? V8 is embedded in a C++ application. In my case I've created and populated an Array (code is simplified) auto arr = v8::Array::New(isolate, 10); for (auto i = 0; i < 10; ++i) { …
Boinst
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V8 compiler errors

I recently managed to generate the visual studio project file for V8, but it doesn't compile When I compile the All solution it spends maybe ~10 minutes compiling and then presents me with a bunch of error (at least in Release mode, 35 to be…
user112513312
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Chrome V8 engine options

I know that Chrome V8 Engine has some option that can be set like "command-line" flags using v8::V8::SetFlagsFromString(). But where can I find description of the each flag? I did not succeed with googling for this info so far. Does anyone know the…
ivan.ukr
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share an immutable object/function in a multi-threaded environment (embedded v8)

N00b question. I am thinking of embedding v8/SpiderMonkey into my server code. The server is taking thousands of requests per second. So multithreading is a must. I am just wondering if different threads can share compiled immutable js functions and…
abab
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How to configure and compile ArangoDB with already installed v8

I am trying to compile ArandoDB 2.2.3 in my Cubietruck board runing Debian for armhf Since 3rdParty V8 will not compile and will throw error "#error Target architecture ia32 is only supported on ia32 host", I decided to install libv8-dev, so my…
Guille Ju
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Node.js / v8 assignment operator overloading

My question is simple, How do you define the behavior of assignment operator in v8 / Node.js? Assume I have a class in C++ domain that have a set method. Normally when I write this JS: var jsInstance = new CppWrappedClass(params1); jsInstance = new…
Sepehr
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Can Google V8 engine run different Javascripts in different contexts in different threads simultaneously?

I plan to embed Google V8 in my C++ application, which is a multi-threading process. I need to run multiple Javascripts concurrently. Can I create multiple V8 contexts and run different Javascripts in different contexts simultaneously in different…
xiagao1982
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Node js, passing a javascript function into an add on and storing it

I am developing a Node.js extension and I would like to pass a javascript function into it that can be called later from the c++ code. If I store the javascript function in my wrapper class and call it right when it is passed in it works fine,…
David Carpenter
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node.js c++ addon: return new copy

I am writing a node.js addon and I am having problems with implementing a clone method that returns a copy of the object. var p = new Point(1, -2); var copyOfP = p.clone(); Here's my implementation, which is not correct as it does not call the…
user3199023
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How does google V8 handles javascript events

I am trying to understand Google V8 javascript engine, I went through https://developers.google.com/v8/get_started which lets javascript code be understood and executed. I am not getting how the events in javascript like Mouse click, Mouse over etc…
Rohit
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What can make a program not capable to take advantages of 64 bit system?

I am looking into Google V8 Javascript Engine. It is said that they are having problems for porting to 64 bit systems. What kind of programming or programming constraints can make a program a 32-bit or 64-bit specific, apart from building and…
Ashish Negi
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Why do I get the error Map is not defined using Google's V8 engine?

Hi I am willing to embedded MathJax for an applicaton I am developing. I chose V8 as the JS engine but I am having problem loading MathJax. The issue I get is that "Map" is undefined. Shouldn't this be a standard JavaScript built-in object? #include…
Elias
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