blob: 256f9e7acceaedb51c760afd92fbd4dc87ad973f [file] [log] [blame]
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "./arrow_types.h"
namespace arrow {
namespace r {
SEXP symbols::units = Rf_install("units");
SEXP symbols::tzone = Rf_install("tzone");
SEXP symbols::xp = Rf_install(".:xp:.");
SEXP symbols::dot_Internal = Rf_install(".Internal");
SEXP symbols::inspect = Rf_install("inspect");
SEXP symbols::row_names = Rf_install("row.names");
SEXP symbols::serialize_arrow_r_metadata = Rf_install(".serialize_arrow_r_metadata");
SEXP symbols::as_list = Rf_install("as.list");
SEXP symbols::ptype = Rf_install("ptype");
SEXP symbols::byte_width = Rf_install("byte_width");
SEXP symbols::list_size = Rf_install("list_size");
SEXP symbols::arrow_attributes = Rf_install("arrow_attributes");
SEXP symbols::new_ = Rf_install("new");
SEXP symbols::create = Rf_install("create");
// persistently protect `x` and return it
SEXP precious(SEXP x) {
R_PreserveObject(x);
return x;
}
// returns the namespace environment for package `name`
SEXP r_namespace(std::string name) {
SEXP s_name = PROTECT(cpp11::writable::strings({name}));
SEXP ns = R_FindNamespace(s_name);
UNPROTECT(1);
return ns;
}
SEXP data::classes_POSIXct = precious(cpp11::writable::strings({"POSIXct", "POSIXt"}));
SEXP data::classes_metadata_r = precious(cpp11::writable::strings({"arrow_r_metadata"}));
SEXP data::classes_vctrs_list_of =
precious(cpp11::writable::strings({"vctrs_list_of", "vctrs_vctr", "list"}));
SEXP data::classes_tbl_df =
precious(cpp11::writable::strings({"tbl_df", "tbl", "data.frame"}));
SEXP data::classes_arrow_binary =
precious(cpp11::writable::strings({"arrow_binary", "vctrs_vctr", "list"}));
SEXP data::classes_arrow_large_binary =
precious(cpp11::writable::strings({"arrow_large_binary", "vctrs_vctr", "list"}));
SEXP data::classes_arrow_fixed_size_binary =
precious(cpp11::writable::strings({"arrow_fixed_size_binary", "vctrs_vctr", "list"}));
SEXP data::classes_factor = precious(cpp11::writable::strings({"factor"}));
SEXP data::classes_ordered = precious(cpp11::writable::strings({"ordered", "factor"}));
SEXP data::classes_arrow_list = precious(
cpp11::writable::strings({"arrow_list", "vctrs_list_of", "vctrs_vctr", "list"}));
SEXP data::classes_arrow_large_list = precious(cpp11::writable::strings(
{"arrow_large_list", "vctrs_list_of", "vctrs_vctr", "list"}));
SEXP data::classes_arrow_fixed_size_list = precious(cpp11::writable::strings(
{"arrow_fixed_size_list", "vctrs_list_of", "vctrs_vctr", "list"}));
SEXP data::names_metadata = precious(cpp11::writable::strings({"attributes", "columns"}));
SEXP data::empty_raw = precious(Rf_allocVector(RAWSXP, 0));
SEXP ns::arrow = precious(r_namespace("arrow"));
void inspect(SEXP obj) {
SEXP call_inspect = PROTECT(Rf_lang2(symbols::inspect, obj));
SEXP call_internal = PROTECT(Rf_lang2(symbols::dot_Internal, call_inspect));
Rf_eval(call_internal, R_GlobalEnv);
UNPROTECT(2);
}
} // namespace r
} // namespace arrow