// TODO: use a vector<string> would make all this a bit more readable
void RInside::initialize(const int argc, const char* const argv[], const bool loadRcpp,
const bool verbose, const bool interactive) {
if (instance_m) {
throw std::runtime_error( "can only have one RInside instance" ) ;
} else {
instance_m = this ;
}
verbose_m = verbose; // Default is false
interactive_m = interactive;
// generated from Makevars{.win}
#include "RInsideEnvVars.h"
#ifdef WIN32
// we need a special case for Windows where users may deploy an RInside binary from CRAN
// which will have R_HOME set at compile time to CRAN's value -- so let's try to correct
// this here: a) allow user's setting of R_HOME and b) use R's get_R_HOME() function
if (getenv("R_HOME") == NULL) { // if on Windows and not set
char *rhome = get_R_HOME(); // query it, including registry
if (rhome != NULL) { // if something was found
setenv("R_HOME", get_R_HOME(), 1); // store what we got as R_HOME
} // this will now be used in next blocks
}
#endif
for (int i = 0; R_VARS[i] != NULL; i+= 2) {
if (getenv(R_VARS[i]) == NULL) { // if env variable is not yet set
if (setenv(R_VARS[i],R_VARS[i+1],1) != 0){
throw std::runtime_error(std::string("Could not set R environment variable ") +
std::string(R_VARS[i]) + std::string(" to ") +
std::string(R_VARS[i+1]));
}
}
}
#ifndef WIN32
R_SignalHandlers = 0; // Don't let R set up its own signal handlers
#endif
init_tempdir();
const char *R_argv[] = {(char*)programName, "--gui=none", "--no-save",
"--no-readline", "--silent", "--vanilla", "--slave"};
int R_argc = sizeof(R_argv) / sizeof(R_argv[0]);
Rf_initEmbeddedR(R_argc, (char**)R_argv);
#ifndef WIN32
R_CStackLimit = -1; // Don't do any stack checking, see R Exts, '8.1.5 Threading issues'
#endif
R_ReplDLLinit(); // this is to populate the repl console buffers
structRstart Rst;
R_DefParams(&Rst);
Rst.R_Interactive = (Rboolean) interactive_m; // sets interactive() to eval to false
#ifdef WIN32
Rst.rhome = getenv("R_HOME"); // which is set above as part of R_VARS
Rst.home = getRUser();
Rst.CharacterMode = LinkDLL;
Rst.ReadConsole = myReadConsole;
Rst.WriteConsole = myWriteConsole;
Rst.CallBack = myCallBack;
Rst.ShowMessage = myAskOk;
Rst.YesNoCancel = myAskYesNoCancel;
Rst.Busy = myBusy;
#endif
R_SetParams(&Rst);
if (true || loadRcpp) { // we always need Rcpp, so load it anyway
// Rf_install is used best by first assigning like this so that symbols get into the symbol table
// where they cannot be garbage collected; doing it on the fly does expose a minuscule risk of garbage
// collection -- with thanks to Doug Bates for the explanation and Luke Tierney for the heads-up
SEXP suppressMessagesSymbol = Rf_install("suppressMessages");
SEXP requireSymbol = Rf_install("require");
Rf_eval(Rf_lang2(suppressMessagesSymbol, Rf_lang2(requireSymbol, Rf_mkString("Rcpp"))), R_GlobalEnv);
}
global_env_m = new Rcpp::Environment(); // member variable for access to R's global environment
autoloads(); // loads all default packages, using code autogenerate from Makevars{,.win}
if ((argc - optind) > 1){ // for argv vector in Global Env */
Rcpp::CharacterVector s_argv( argv+(1+optind), argv+argc );
assign(s_argv, "argv");
} else {
assign(R_NilValue, "argv") ;
}
init_rand(); // for tempfile() to work correctly */
}
// TODO: use a vector<string> would make all this a bit more readable
void RInside::initialize(const int argc, const char* const argv[], const bool loadRcpp) {
logTxt("RInside::ctor BEGIN", verbose);
if (instance_) {
throw std::runtime_error( "can only have one RInside instance" ) ;
} else {
instance_ = this ;
}
verbose_m = false; // Default is false
// generated as littler.h via from svn/littler/littler.R
#include <RInsideEnvVars.h>
for (int i = 0; R_VARS[i] != NULL; i+= 2) {
if (getenv(R_VARS[i]) == NULL) { // if env variable is not yet set
if (setenv(R_VARS[i],R_VARS[i+1],1) != 0){
//perror("ERROR: couldn't set/replace an R environment variable");
//exit(1);
throw std::runtime_error(std::string("Could not set R environment variable ") +
std::string(R_VARS[i]) + std::string(" to ") +
std::string(R_VARS[i+1]));
}
}
}
#ifndef WIN32
R_SignalHandlers = 0; // Don't let R set up its own signal handlers
#endif
#ifdef CSTACK_DEFNS
R_CStackLimit = (uintptr_t)-1; // Don't do any stack checking, see R Exts, '8.1.5 Threading issues'
#endif
init_tempdir();
const char *R_argv[] = {(char*)programName, "--gui=none", "--no-save", "--no-readline", "--silent", "", ""};
const char *R_argv_opt[] = {"--vanilla", "--slave"};
int R_argc = (sizeof(R_argv) - sizeof(R_argv_opt) ) / sizeof(R_argv[0]);
Rf_initEmbeddedR(R_argc, (char**)R_argv);
R_ReplDLLinit(); // this is to populate the repl console buffers
structRstart Rst;
R_DefParams(&Rst);
Rst.R_Interactive = (Rboolean) FALSE; // sets interactive() to eval to false
#ifdef WIN32
Rst.rhome = getenv("R_HOME"); // which is set above as part of R_VARS
Rst.home = getRUser();
Rst.CharacterMode = LinkDLL;
Rst.ReadConsole = myReadConsole;
Rst.WriteConsole = myWriteConsole;
Rst.CallBack = myCallBack;
Rst.ShowMessage = myAskOk;
Rst.YesNoCancel = myAskYesNoCancel;
Rst.Busy = myBusy;
#endif
R_SetParams(&Rst);
global_env = R_GlobalEnv ;
if (loadRcpp) { // if asked for, load Rcpp (before the autoloads)
// Rf_install is used best by first assigning like this so that symbols get into the symbol table
// where they cannot be garbage collected; doing it on the fly does expose a minuscule risk of garbage
// collection -- with thanks to Doug Bates for the explanation and Luke Tierney for the heads-up
SEXP suppressMessagesSymbol = Rf_install("suppressMessages");
SEXP requireSymbol = Rf_install("require");
Rf_eval(Rf_lang2(suppressMessagesSymbol, Rf_lang2(requireSymbol, Rf_mkString("Rcpp"))), R_GlobalEnv);
}
autoloads(); // loads all default packages
if ((argc - optind) > 1){ // for argv vector in Global Env */
Rcpp::CharacterVector s_argv( argv+(1+optind), argv+argc );
assign(s_argv, "argv");
} else {
assign(R_NilValue, "argv") ;
}
init_rand(); // for tempfile() to work correctly */
logTxt("RInside::ctor END", verbose);
}
