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Add InitializeContext for future deno_nosnapshot target.

This commit is contained in:
Ryan Dahl 2018-06-13 20:55:08 +02:00
parent 0888f2b2ae
commit f97216609d
2 changed files with 28 additions and 21 deletions

View file

@ -212,6 +212,30 @@ v8::StartupData SerializeInternalFields(v8::Local<v8::Object> holder, int index,
return {payload, size};
}
void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context,
const char* js_filename, const char* js_source) {
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto global = context->Global();
// TODO(ry) Add a global namespace object "deno" and move print, sub, and
// pub inside that object.
auto print_tmpl = v8::FunctionTemplate::New(isolate, Print);
auto print_val = print_tmpl->GetFunction(context).ToLocalChecked();
CHECK(global->Set(context, deno::v8_str("denoPrint"), print_val).FromJust());
auto sub_tmpl = v8::FunctionTemplate::New(isolate, Sub);
auto sub_val = sub_tmpl->GetFunction(context).ToLocalChecked();
CHECK(global->Set(context, deno::v8_str("denoSub"), sub_val).FromJust());
auto pub_tmpl = v8::FunctionTemplate::New(isolate, Pub);
auto pub_val = pub_tmpl->GetFunction(context).ToLocalChecked();
CHECK(global->Set(context, deno::v8_str("denoPub"), pub_val).FromJust());
bool r = Execute(context, js_filename, js_source);
CHECK(r);
}
v8::StartupData MakeSnapshot(v8::StartupData* prev_natives_blob,
v8::StartupData* prev_snapshot_blob,
const char* js_filename, const char* js_source) {
@ -224,27 +248,7 @@ v8::StartupData MakeSnapshot(v8::StartupData* prev_natives_blob,
{
v8::HandleScope handle_scope(isolate);
auto context = v8::Context::New(isolate);
v8::Context::Scope context_scope(context);
auto global = context->Global();
// TODO(ry) Add a global namespace object "deno" and move print, sub, and
// pub inside that object.
auto print_tmpl = v8::FunctionTemplate::New(isolate, Print);
auto print_val = print_tmpl->GetFunction(context).ToLocalChecked();
CHECK(
global->Set(context, deno::v8_str("denoPrint"), print_val).FromJust());
auto sub_tmpl = v8::FunctionTemplate::New(isolate, Sub);
auto sub_val = sub_tmpl->GetFunction(context).ToLocalChecked();
CHECK(global->Set(context, deno::v8_str("denoSub"), sub_val).FromJust());
auto pub_tmpl = v8::FunctionTemplate::New(isolate, Pub);
auto pub_val = pub_tmpl->GetFunction(context).ToLocalChecked();
CHECK(global->Set(context, deno::v8_str("denoPub"), pub_val).FromJust());
bool r = Execute(context, js_filename, js_source);
CHECK(r);
InitializeContext(isolate, context, js_filename, js_source);
creator->SetDefaultContext(context, v8::SerializeInternalFieldsCallback(
SerializeInternalFields, nullptr));
}

View file

@ -34,6 +34,9 @@ static intptr_t external_references[] = {reinterpret_cast<intptr_t>(Print),
Deno* NewFromSnapshot(void* data, deno_sub_cb cb);
void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context,
const char* js_filename, const char* js_source);
v8::StartupData MakeSnapshot(v8::StartupData* prev_natives_blob,
v8::StartupData* prev_snapshot_blob,
const char* js_filename, const char* js_source);