https://v8.paulfryzel.com/docs/master/classv8_1_1_snapshot_creator.html#a86b2023acdb88a9bd6eae2695f2b0a8a

Created a snapshot data blob. This must not be called from within a handle 
scope.




On Wednesday, September 6, 2017 at 7:20:33 AM UTC-7, Francisco Moraes wrote:
>
> Here's a simple recreate that I managed to create:
>
> #include <string.h>
>
> #include "v8.h"
> #include "libplatform/libplatform.h"
>
> int main(int argv, char **argc)
> {
>     const char *v8flags = "";
>     v8::Platform *platform = v8::platform::CreateDefaultPlatform();
>     v8::V8::SetFlagsFromString (v8flags, strlen (v8flags));
>     v8::V8::InitializePlatform(platform);
>     v8::V8::Initialize();
>
>     v8::SnapshotCreator creator;
>     v8::Isolate *isolate = creator.GetIsolate();
>     
>     v8::HandleScope handle_scope(isolate);
>     v8::Local<v8::Context> context = v8::Context::New(isolate);
>     const char* source = "function initialize(obj) { return true; }";
>     v8::Context::Scope context_scope(context);
>     v8::TryCatch try_catch(isolate);
>     v8::Local<v8::String> source_string;
>     v8::String::NewFromUtf8(isolate, source, v8::NewStringType::kNormal)
>         .ToLocal(&source_string);
>     v8::ScriptOrigin origin = 
> v8::ScriptOrigin(v8::String::NewFromUtf8(isolate, "testscript"));
>     v8::ScriptCompiler::Source sourcecode(source_string, origin);
>     v8::Local<v8::Script> script;
>     bool success = v8::ScriptCompiler::Compile(context, 
> &sourcecode).ToLocal(&script);
>
>     script->Run(context);
>   
>     creator.SetDefaultContext(context);
>     v8::StartupData blob = 
> creator.CreateBlob(v8::SnapshotCreator::FunctionCodeHandling::kClear);
>
>     return 1;
> }
>
> The interesting thing is if I call v8::V8::CreateSnapshotDataBlob it works 
> as it does all the above work for me, so something in trying to use the 
> SnapshotCreator is causing me some issue as I will need to handle custom 
> embedder fields, etc...
>
> On Tuesday, September 5, 2017 at 2:50:36 PM UTC-4, Zac Hansen wrote:
>>
>> That kind of error usually means you either haven't created a context or 
>> aren't in a context or haven't created an appropriate handle.  Or... 
>> Something else :-/. Maybe a lock?  V8 errors are very much a "you screwed 
>> up somewhere" notification and often nothing more 
>>
>> On Tue, Sep 5, 2017 at 9:42 AM Francisco Moraes <francisc...@gmail.com> 
>> wrote:
>>
>>> I will give it a try sometime this week. I tried to remove our 
>>> initialization JS file but that caused a failure further down the 
>>> serialization as well, so still investigating.
>>>
>>>
>>> On Saturday, September 2, 2017 at 1:07:28 AM UTC-4, Zac Hansen wrote:
>>>>
>>>> Can you post a minimal complete example that reproduces your problem?
>>>>
>>>> On Friday, September 1, 2017 at 8:57:51 AM UTC-7, Francisco Moraes 
>>>> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I am trying to create a snapshot that includes most of code but I ran 
>>>>> into the following assertion:
>>>>>
>>>>>   CHECK(isolate->handle_scope_implementer()->blocks()->is_empty());
>>>>>
>>>>> Any clarifications about what would generate it that our JS code is 
>>>>> doing and is not legal? I found that creating Unsafe Arrays is also not 
>>>>> permitted but that is relatively easy to work around.
>>>>>
>>>>> Francisco
>>>>>
>>>> -- 
>>> -- 
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>>> For more options, visit https://groups.google.com/d/optout.
>>>
>>
> On Tuesday, September 5, 2017 at 2:50:36 PM UTC-4, Zac Hansen wrote:
>>
>> That kind of error usually means you either haven't created a context or 
>> aren't in a context or haven't created an appropriate handle.  Or... 
>> Something else :-/. Maybe a lock?  V8 errors are very much a "you screwed 
>> up somewhere" notification and often nothing more 
>>
>> On Tue, Sep 5, 2017 at 9:42 AM Francisco Moraes <francisc...@gmail.com> 
>> wrote:
>>
>>> I will give it a try sometime this week. I tried to remove our 
>>> initialization JS file but that caused a failure further down the 
>>> serialization as well, so still investigating.
>>>
>>>
>>> On Saturday, September 2, 2017 at 1:07:28 AM UTC-4, Zac Hansen wrote:
>>>>
>>>> Can you post a minimal complete example that reproduces your problem?
>>>>
>>>> On Friday, September 1, 2017 at 8:57:51 AM UTC-7, Francisco Moraes 
>>>> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I am trying to create a snapshot that includes most of code but I ran 
>>>>> into the following assertion:
>>>>>
>>>>>   CHECK(isolate->handle_scope_implementer()->blocks()->is_empty());
>>>>>
>>>>> Any clarifications about what would generate it that our JS code is 
>>>>> doing and is not legal? I found that creating Unsafe Arrays is also not 
>>>>> permitted but that is relatively easy to work around.
>>>>>
>>>>> Francisco
>>>>>
>>>> -- 
>>> -- 
>>> v8-users mailing list
>>> v8-u...@googlegroups.com
>>> http://groups.google.com/group/v8-users
>>> --- 
>>> You received this message because you are subscribed to a topic in the 
>>> Google Groups "v8-users" group.
>>> To unsubscribe from this topic, visit 
>>> https://groups.google.com/d/topic/v8-users/kxtnaSSQL9c/unsubscribe.
>>> To unsubscribe from this group and all its topics, send an email to 
>>> v8-users+u...@googlegroups.com.
>>> For more options, visit https://groups.google.com/d/optout.
>>>
>>
> On Tuesday, September 5, 2017 at 2:50:36 PM UTC-4, Zac Hansen wrote:
>>
>> That kind of error usually means you either haven't created a context or 
>> aren't in a context or haven't created an appropriate handle.  Or... 
>> Something else :-/. Maybe a lock?  V8 errors are very much a "you screwed 
>> up somewhere" notification and often nothing more 
>>
>> On Tue, Sep 5, 2017 at 9:42 AM Francisco Moraes <francisc...@gmail.com> 
>> wrote:
>>
>>> I will give it a try sometime this week. I tried to remove our 
>>> initialization JS file but that caused a failure further down the 
>>> serialization as well, so still investigating.
>>>
>>>
>>> On Saturday, September 2, 2017 at 1:07:28 AM UTC-4, Zac Hansen wrote:
>>>>
>>>> Can you post a minimal complete example that reproduces your problem?
>>>>
>>>> On Friday, September 1, 2017 at 8:57:51 AM UTC-7, Francisco Moraes 
>>>> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I am trying to create a snapshot that includes most of code but I ran 
>>>>> into the following assertion:
>>>>>
>>>>>   CHECK(isolate->handle_scope_implementer()->blocks()->is_empty());
>>>>>
>>>>> Any clarifications about what would generate it that our JS code is 
>>>>> doing and is not legal? I found that creating Unsafe Arrays is also not 
>>>>> permitted but that is relatively easy to work around.
>>>>>
>>>>> Francisco
>>>>>
>>>> -- 
>>> -- 
>>> v8-users mailing list
>>> v8-u...@googlegroups.com
>>> http://groups.google.com/group/v8-users
>>> --- 
>>> You received this message because you are subscribed to a topic in the 
>>> Google Groups "v8-users" group.
>>> To unsubscribe from this topic, visit 
>>> https://groups.google.com/d/topic/v8-users/kxtnaSSQL9c/unsubscribe.
>>> To unsubscribe from this group and all its topics, send an email to 
>>> v8-users+u...@googlegroups.com.
>>> For more options, visit https://groups.google.com/d/optout.
>>>
>>

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