Dart_Handle Isolate::New(const char* typeName, int argc, Dart_Handle* args)
{
// entering and leaving the scope here causes us to invalidate the instance handle!
// Dart_EnterScope();
// Get type
Dart_Handle type = Dart_GetType(library_, NewString(typeName), 0, NULL);
if(Dart_IsError(type)) {
LOG_E(Dart_GetError(type));
}
// Invoke the unnamed constructor.
Dart_Handle instance = Dart_New(type, Dart_Null(), argc, args);
if (Dart_IsError(instance)) {
// Dart_NewApiError
LOG_E(Dart_GetError(instance) << " while instantiating '"<< type <<"'")
}
// Dart_ExitScope();
return instance;
}
void VM::loadCinderDartLib()
{
string script = getCinderDartScript();
Dart_Handle source = toDart( script );
CIDART_CHECK( source );
Dart_Handle cinderDartLib = Dart_LoadLibrary( toDart( "cinder.dart" ), source, 0, 0 );
if( Dart_IsError( cinderDartLib ) ) {
throw DartException( string( "failed to load cinder.dart, error message: " ) + Dart_GetError( cinderDartLib ) );
}
CIDART_CHECK( Dart_SetNativeResolver( cinderDartLib, Script::resolveNameHandler, NULL ) );
// finalize any scripts loaded, needs to be done before the libs can be looked up and modified below
CIDART_CHECK( Dart_FinalizeLoading( false ) );
// swap in custom _printClosure to enable print() in dart
Dart_Handle internalLib = Dart_LookupLibrary( toDart( "dart:_internal" ) );
CIDART_CHECK( internalLib );
Dart_Handle print = Dart_GetField( cinderDartLib, toDart( "_printClosure" ) );
CIDART_CHECK( print );
CIDART_CHECK( Dart_SetField( internalLib, toDart( "_printClosure" ), print ) );
}
// static
void VM::unhandledExceptionCallback( Dart_Handle error )
{
CI_LOG_E( Dart_GetError( error ) );
}
void throwIfError( Dart_Handle handle, const std::string &description )
{
if( Dart_IsError( handle ) ) {
throwException( description + ", description: " + Dart_GetError( handle ) );
}
}
