You are right. My new code:
class Browser
{
public:
Browser();
void getContext();
const char* execute(const char* data);
int test;
private:
v8::Isolate* _isolate;
v8::Persistent<v8::Context> _context;
};
Browser::Browser()
{
v8::V8::InitializeICU();
v8::V8::InitializeExternalStartupData("/opt/v8build/");
v8::Platform* platform = v8::platform::CreateDefaultPlatform();
v8::V8::InitializePlatform(platform);
v8::V8::Initialize();
ArrayBufferAllocator allocator;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = &allocator;
_isolate = v8::Isolate::New(create_params);
}
const char* Browser::execute(const char* data)
{
v8::Isolate::Scope isolate_scope(_isolate);
v8::HandleScope handle_scope(_isolate);
const char* result;
{
v8::Local<v8::Context> context = v8::Local<v8::Context>::New(
_isolate, _context);
v8::Context::Scope context_scope(context);
v8::Local<v8::String> source =
v8::String::NewFromUtf8(_isolate, data,
v8::NewStringType::kNormal).ToLocalChecked();
v8::Local<v8::Script> script = v8::Script::Compile(context, source).
ToLocalChecked();
v8::Local<v8::Value> result = script->Run(context).ToLocalChecked();
v8::String::Utf8Value utf8(result);
// Konwersja danych do char*
int len = utf8.length() + 1;
char *str = (char *) calloc(sizeof(char), len);
strncpy(str, *utf8, len);
return str;
}
return result;
}
Result is error
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5998d9e in v8::Context::Enter() () from /opt/v8build/hello.so
W dniu piątek, 18 marca 2016 09:22:21 UTC+1 użytkownik Ben Noordhuis
napisał:
>
> On Wed, Mar 16, 2016 at 1:45 PM, Daniel Burchardt
> <[email protected] <javascript:>> wrote:
> > It's not posible because:
> >
> > error: no matching function for call to ‘v8::Context::New(v8::Isolate*&,
> > v8::Persistent<v8::Context>&)
> >
> > V8::GetVersion - 4.10.0 (candidate)
>
> It looks like you didn't copy Danny's example correctly. It should be:
>
> v8::Local<v8::Context> context =
> v8::Local<v8::Context>::New(isolate, persistent_context);
>
> Note that you call v8::Local<T>::New (with T=v8::Context), not
> v8::Context::New.
>
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