Questions tagged [embedded-v8]
253 questions
0
votes
1 answer
Debugging js bytecode with V8 engine
I'm using the v8 library to run js code in my project. And I want to implement controlled execution of the compiled js code. I would like to be able to control the execution of bytecode step by step. From one instruction to another. Is it possible…
Alexey Novikov
- 13
- 3
0
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1 answer
Executing bytecode without source in v8 engine
I try to use this source https://github.com/JoseExposito/v8-compiler/blob/master/addon/v8-compiler.cpp in my project. But a function compilation_cache() called from runScript always returns NULL. What can be wrong? What I need to fix in the source…
Alexey Novikov
- 13
- 3
0
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1 answer
how to use v8 shared library in linux
I am working on a project that uses v8 engine. I have followed the instructions on v8 git page to compile it and generated some .so files. But now after that there are no more directions as how to proceed with those library files. I wanted to try…
spicy chicken
- 19
- 2
0
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1 answer
V8 compile samples/hello-world.cc on Ubuntu
Trying to compile V8 samples/hello-world.cc on ubuntu
#include
#include
#include
#include "include/libplatform/libplatform.h"
#include "include/v8.h"
int main(int argc, char* argv[]) {
// Initialize V8.
…
Lilit Zakaryan
- 89
- 6
0
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1 answer
How to Integrate Custom C++ Module into Custom Version of NodeJS?
I wish to create an executable that uses NodeJS to run a specific JavaScript file. However, this NodeJS should have additional "modules" added that expose C++ classes/functions to the JavaScript scope using require.
So far, I have successfully…
Griffort
- 1,174
- 1
- 10
- 26
0
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1 answer
How to stringify an Integer in V8?
I'm trying to stringify an integer in v8.
The nearest I've come to success so far is using String::Concat. I tried writing this method (in a node.js 9.11.1 native addon), but it doesn't compile.
void Method(const FunctionCallbackInfo &args)…
Wyck
- 10,311
- 6
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0
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1 answer
What does it mean that v8 compiles js code to native machine code?
How does v8 load and execute the native machine code it generates?
user6872780
0
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0 answers
Cannot compile v8 sample code on ubuntu 16.04
I'm trying to run the hello world sample code from the official v8 repo. After reading the docs I could make it work on version 5.8 just as it is described in the wiki. However, I'm interested to explore this using the latest version of v8, but when…
xjmdoo
- 1,658
- 9
- 15
0
votes
1 answer
Does V8 have function signatures like Local Get(Local)?
I am learning Node C++ Addon and found that the following code can be run on Node v8.9.3
void test(const FunctionCallbackInfo& args) {
Isolate* isolate = args.GetIsolate();
Local
KKKKy
- 1
- 2
0
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1 answer
Strange behavior from V8's usage of v8::EmbedderHeapTracer
I'm having a bit of a hard time with using the v8::EmbedderHeapTracer API with V8 version 6.3.
My issue is the following sequence of events happening in the following order:
V8 will call TracePrologue.
V8 will register a V8 reference for embedder…
0
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1 answer
Is it possible to skip an object from collecting by v8 GC?
I have a lot of a long live objects in memory(~10GB) and I definitely know that these objects never be collected by GC. The problem is that a mark-sweep gc action take a long time(90sec) to check all objects in memory and its relations. I need some…
cevek
- 862
- 1
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- 16
0
votes
1 answer
receive "Uncaught ReferenceError: require is not defined" when use "require" keyword in google v8
I am new google to google v8.
I modified v8 hello world app.
const char* testJS = R"(
var assert = require("assert");
1 + 2;
)";
v8::Local script = v8::Script::Compile(context,…
0
votes
1 answer
Ruby mini_racer: self is not defined
I'm trying to run axlsign.js from ruby using mini_racer gem.
context = MiniRacer::Context.new
context.load('axlsign.js')
context.eval('axlsign.generateKeyPair(new Uint8Array(32))')
It returns error
JavaScript at :1436:4: ReferenceError:…
Ilya Cherevkov
- 1,743
- 2
- 17
- 47
0
votes
1 answer
CreateSnapshotDataBlob failed
I was trying to use snapshot utility in V8 to speed up my application startup performence. As it is pointed out in the V8 blog, using snapshot makes it possible to skip over the startup time incurred by some initialization.
StartupData…
Mitchell Cai
- 11
- 3
0
votes
1 answer
v8 C++ Api: pass non-English strings from JavaScript to c++
In my c++ code I have:
Handle globalTemplate = ObjectTemplate::New();
globalTemplate->Set( String::New("print"), FunctionTemplate::New( printMessage ));
Handle context = Context::New( NULL, globalTemplate );
The…
Khachatur
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