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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-

// api.cpp: Rcpp R/C++ interface class library -- Rcpp api

// This file is part of Rcpp.

// Rcpp is free software: you can redistribute it and/or modify it

// under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 2 of the License, or

// (at your option) any later version.

// Rcpp is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.

#define COMPILING_RCPP

#define RCPP_USE_GLOBAL_ROSTREAM

#include <Rcpp.h>

using namespace Rcpp;

#include "internal.h"

#ifdef RCPP_HAS_DEMANGLING

#include <cxxabi.h>

#endif

namespace Rcpp {

// [[Rcpp::register]]

Rostream<true>& Rcpp_cout_get() {

static Rostream<true> Rcpp_cout;

return Rcpp_cout;

}

// [[Rcpp::register]]

Rostream<false>& Rcpp_cerr_get() {

static Rostream<false> Rcpp_cerr;

return Rcpp_cerr;

}

Rostream<true>& Rcout = Rcpp_cout_get();

Rostream<false>& Rcerr = Rcpp_cerr_get();

namespace internal {

int rngSynchronizationSuspended = 0;

// [[Rcpp::register]]

unsigned long enterRNGScope() {

if (rngSynchronizationSuspended == 0)

GetRNGstate();

return 0;

}

// [[Rcpp::register]]

unsigned long exitRNGScope() {

if (rngSynchronizationSuspended == 0)

PutRNGstate();

return 0;

}

// [[Rcpp::register]]

unsigned long beginSuspendRNGSynchronization() { // #nocov start

++rngSynchronizationSuspended;

return rngSynchronizationSuspended;

}

// [[Rcpp::register]]

unsigned long endSuspendRNGSynchronization() {

--rngSynchronizationSuspended;

return rngSynchronizationSuspended;

} // #nocov end

// [[Rcpp::register]]

char* get_string_buffer() {

static char buffer[MAXELTSIZE];

return buffer;

}

// [[Rcpp::register]]

const char * type2name(SEXP x) { // #nocov start

switch (TYPEOF(x)) {

case NILSXP: return "NILSXP";

case SYMSXP: return "SYMSXP";

case RAWSXP: return "RAWSXP";

case LISTSXP: return "LISTSXP";

case CLOSXP: return "CLOSXP";

case ENVSXP: return "ENVSXP";

case PROMSXP: return "PROMSXP";

case LANGSXP: return "LANGSXP";

case SPECIALSXP: return "SPECIALSXP";

case BUILTINSXP: return "BUILTINSXP";

case CHARSXP: return "CHARSXP";

case LGLSXP: return "LGLSXP";

case INTSXP: return "INTSXP";

case REALSXP: return "REALSXP";

case CPLXSXP: return "CPLXSXP";

case STRSXP: return "STRSXP";

case DOTSXP: return "DOTSXP";

case ANYSXP: return "ANYSXP";

case VECSXP: return "VECSXP";

case EXPRSXP: return "EXPRSXP";

case BCODESXP: return "BCODESXP";

case EXTPTRSXP: return "EXTPTRSXP";

case WEAKREFSXP: return "WEAKREFSXP";

#if R_VERSION >= R_Version(4,4,0) // replaces S4SXP in R 4.4.0

case OBJSXP: return Rf_isS4(x) ? "S4SXP" : "OBJSXP"; // cf src/main/inspect.c

#else

case S4SXP: return "S4SXP";

#endif

default:

return "<unknown>";

}

} // #nocov end

} // namespace Rcpp

// [[Rcpp::register]]

std::string demangle(const std::string& name) {

#ifdef RCPP_HAS_DEMANGLING

std::string real_class;

int status =-1;

char *dem = 0;

dem = abi::__cxa_demangle(name.c_str(), 0, 0, &status);

if (status == 0) {

real_class = dem;

free(dem);

} else {

real_class = name;

}

return real_class;

#else

return name;

#endif

}

// NOTE: remains registered but this routine is now effectively unused by Rcpp;

// we retain it for backwards compatibility with any existing packages which

// (explicitly or implicitly) rely on its existence. See also:

// https://github.com/RcppCore/Rcpp/issues/1066

// [[Rcpp::register]]

const char* short_file_name(const char* file) { // #nocov start

static std::string f;

f = file;

size_t index = f.find("/include/");

if (index != std::string::npos) {

f = f.substr(index + 9);

}

return f.c_str();

}

// [[Rcpp::internal]]

SEXP as_character_externalptr(SEXP xp) {

char buffer[20];

snprintf(buffer, 20, "%p", (void*)R_ExternalPtrAddr(xp));

return Rcpp::wrap((const char*)buffer);

} // #nocov end

// [[Rcpp::internal]]

SEXP rcpp_capabilities() {

Shield<SEXP> cap(Rf_allocVector(LGLSXP, 13));

Shield<SEXP> names(Rf_allocVector(STRSXP, 13));

LOGICAL(cap)[0] = TRUE; // HAS_VARIADIC_TEMPLATES

LOGICAL(cap)[1] = TRUE; // HAS_CXX0X_INITIALIZER_LIST

LOGICAL(cap)[2] = TRUE; /* exceptions are always supported */

LOGICAL(cap)[3] = TRUE; // HAS_TR1_UNORDERED_MAP

LOGICAL(cap)[4] = TRUE; // HAS_TR1_UNORDERED_SET

LOGICAL(cap)[5] = TRUE; // Modules (TODO respect header choice ?)

#ifdef RCPP_HAS_DEMANGLING

LOGICAL(cap)[6] = TRUE;

#else

LOGICAL(cap)[6] = FALSE;

#endif

LOGICAL(cap)[7] = FALSE; // Classic API

LOGICAL(cap)[8] = TRUE; // RCPP_HAS_LONG_LONG_TYPES

LOGICAL(cap)[9] = TRUE; // HAS_CXX0X_UNORDERED_MAP

LOGICAL(cap)[10] = TRUE; // HAS_CXX0X_UNORDERED_SET

LOGICAL(cap)[11] = TRUE; // RCPP_USING_CXX11

#ifdef RCPP_NEW_DATE_DATETIME_VECTORS

LOGICAL(cap)[12] = TRUE;

#else

LOGICAL(cap)[12] = FALSE;

#endif

SET_STRING_ELT(names, 0, Rf_mkChar("variadic templates"));

SET_STRING_ELT(names, 1, Rf_mkChar("initializer lists"));

SET_STRING_ELT(names, 2, Rf_mkChar("exception handling"));

SET_STRING_ELT(names, 3, Rf_mkChar("tr1 unordered maps"));

SET_STRING_ELT(names, 4, Rf_mkChar("tr1 unordered sets"));

SET_STRING_ELT(names, 5, Rf_mkChar("Rcpp modules"));

SET_STRING_ELT(names, 6, Rf_mkChar("demangling"));

SET_STRING_ELT(names, 7, Rf_mkChar("classic api"));

SET_STRING_ELT(names, 8, Rf_mkChar("long long"));

SET_STRING_ELT(names, 9, Rf_mkChar("C++0x unordered maps"));

SET_STRING_ELT(names, 10, Rf_mkChar("C++0x unordered sets"));

SET_STRING_ELT(names, 11, Rf_mkChar("Full C++11 support"));

SET_STRING_ELT(names, 12, Rf_mkChar("new date(time) vectors"));

Rf_setAttrib(cap, R_NamesSymbol, names);

return cap;

}

// [[Rcpp::internal]]

SEXP rcpp_can_use_cxx0x() { // #nocov start

return Rf_ScalarLogical(TRUE);

}

// [[Rcpp::internal]]

SEXP rcpp_can_use_cxx11() {

return Rf_ScalarLogical(TRUE);

}

// [[Rcpp::register]]

SEXP stack_trace(const char* /*file*/, int /*line*/) {

return R_NilValue;

} // #nocov end

// // [ [ Rcpp::register ] ]

// void print(SEXP s) {

// Rf_PrintValue(s); // defined in Rinternals.h

// }

// }}}

// [[Rcpp::internal]]

SEXP getRcppVersionStrings() {

Shield<SEXP> versionstring(Rf_allocVector(STRSXP,2));

SET_STRING_ELT(versionstring, 0, Rf_mkChar(RCPP_VERSION_STRING));

SET_STRING_ELT(versionstring, 1, Rf_mkChar(RCPP_DEV_VERSION_STRING));

return versionstring;

}