Rcpp Version 0.12.12
xp.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 //
3 // xp.h: Rcpp R/C++ interface class library -- pre processor help
4 //
5 // Copyright (C) 2012 - 2015 Dirk Eddelbuettel and Romain Francois
6 //
7 // This file is part of Rcpp.
8 //
9 // Rcpp is free software: you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License as published by
11 // the Free Software Foundation, either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // Rcpp is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
21 
22 #ifndef Rcpp__macros_xp_h
23 #define Rcpp__macros_xp_h
24 
25 #define RCPP_XP_FIELD_GET(__NAME__,__CLASS__,__FIELD__) \
26 extern "C" SEXP RCPP_PP_CAT(__NAME__,__rcpp_info__)(){ \
27  using Rcpp::_ ; \
28  Rcpp::List info = Rcpp::List::create( \
29  _["class"] = #__CLASS__ , \
30  _["field"] = #__FIELD__ \
31  ) ; \
32  info.attr( "class" ) = "rcppxpfieldgetinfo" ; \
33  return info ; \
34 } \
35 extern "C" SEXP __NAME__( SEXP xp ){ \
36  BEGIN_RCPP \
37  SEXP res = R_NilValue ; \
38  ::Rcpp::XPtr< __CLASS__ > ptr(xp) ; \
39  res = ::Rcpp::wrap( ptr->__FIELD__ ) ; \
40  return res ; \
41  END_RCPP \
42 }
43 
44 #define RCPP_XP_FIELD_SET(__NAME__,__CLASS__,__FIELD__) \
45 extern "C" SEXP RCPP_PP_CAT(__NAME__,__rcpp_info__)(){ \
46  using Rcpp::_ ; \
47  Rcpp::List info = Rcpp::List::create( \
48  _["class"] = #__CLASS__ , \
49  _["field"] = #__FIELD__ \
50  ) ; \
51  info.attr( "class" ) = "rcppxpfieldsetinfo" ; \
52  return info ; \
53 } \
54 extern "C" SEXP __NAME__( SEXP xp, SEXP value ){ \
55  BEGIN_RCPP \
56  ::Rcpp::XPtr< __CLASS__ > ptr(xp) ; \
57  ptr->__FIELD__ = ::Rcpp::internal::converter(value) ; \
58  END_RCPP \
59 }
60 
61 #define RCPP_XP_FIELD(__PREFIX__,__CLASS__,__FIELD__) \
62 RCPP_XP_FIELD_GET( RCPP_PP_CAT(__PREFIX__,_get), __CLASS__, __FIELD__ ) \
63 RCPP_XP_FIELD_SET( RCPP_PP_CAT(__PREFIX__,_set), __CLASS__, __FIELD__ )
64 
65 #endif