Make Rcpp call to nCompiler functions find them via namespace_env to support imports without depends of nCompiler

Author: perrydv

nCompiler/inst/include/nCompiler/nC_inter/post_Rcpp/loadedObjectHookC_impl.h

@@ -10,12 +10,12 @@ class loadedObjectHookC : public loadedObjectHookBaseC {
   static void set_CnClass_env(Rcpp::Environment env) {CnClass_env = env;}
   static Rcpp::Environment get_CnClass_env() {return CnClass_env;}
   static SEXP setup_R_return_object_full(SEXP Xptr) {
-    Rcpp::Environment nc("package:nCompiler");
+    Rcpp::Environment nc = Environment::namespace_env("nCompiler"); // nc("package:nCompiler");
     Rcpp::Function newLOE(nc["new.loadedObjectEnv_full"]);
     return newLOE(Xptr, CnClass_env);
   };
   static SEXP setup_R_return_object(SEXP Xptr) {
-    Rcpp::Environment nc("package:nCompiler");
+    Rcpp::Environment nc = Environment::namespace_env("nCompiler");
     Rcpp::Function newLOE(nc["new.loadedObjectEnv"]);
     return newLOE(Xptr, CnClass_env);
   };

nCompiler/inst/nCompLocal_files/loadedObjectEnv.cpp

@@ -5,7 +5,7 @@
 // [[Rcpp::depends(nCompiler)]]
 
 SEXP loadedObjectEnv(SEXP Xptr) {
-  Rcpp::Environment nc("package:nCompiler");
+  Rcpp::Environment nc = Environment::namespace_env("nCompiler"); //nc("package:nCompiler");
   Rcpp::Function newLOE = nc["new.loadedObjectEnv"];
   return newLOE(Xptr);
 }