PairList.h

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/*CXXR $Id: PairList.h 1348 2013-02-25 17:49:03Z arr $
 *CXXR
 *CXXR This file is part of CXXR, a project to refactor the R interpreter
 *CXXR into C++.  It may consist in whole or in part of program code and
 *CXXR documentation taken from the R project itself, incorporated into
 *CXXR CXXR (and possibly MODIFIED) under the terms of the GNU General Public
 *CXXR Licence.
 *CXXR 
 *CXXR CXXR is Copyright (C) 2008-13 Andrew R. Runnalls, subject to such other
 *CXXR copyrights and copyright restrictions as may be stated below.
 *CXXR 
 *CXXR CXXR is not part of the R project, and bugs and other issues should
 *CXXR not be reported via r-bugs or other R project channels; instead refer
 *CXXR to the CXXR website.
 *CXXR */

/*
 *  R : A Computer Language for Statistical Data Analysis
 *  Copyright (C) 1995, 1996  Robert Gentleman and Ross Ihaka
 *  Copyright (C) 1999-2006   The R Development Core Team.
 *
 *  This program 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 2.1 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, a copy is available at
 *  http://www.r-project.org/Licenses/
 */

#ifndef RPAIRLIST_H
#define RPAIRLIST_H

#include "CXXR/ConsCell.h"

#ifdef __cplusplus

extern "C" {
    // Used in matching formal and actual arguments (within match.cpp
    // and unique.cpp).
    inline unsigned char ARGUSED(SEXP x)
    {
        using namespace CXXR;
        return SEXP_downcast<PairList*>(x)->m_argused;
    }

    // Used in matching formal and actual arguments (within match.cpp
    // and unique.cpp).
    inline void SET_ARGUSED(SEXP x, unsigned char v)
    {
        using namespace CXXR;
        SEXP_downcast<PairList*>(x)->m_argused = v;
    }

#endif  /* __cplusplus */

#ifndef __cplusplus
    Rboolean BINDING_IS_LOCKED(SEXP b);
#else
    inline Rboolean BINDING_IS_LOCKED(SEXP b)
    {
        using namespace CXXR;
        const PairList* pl = SEXP_downcast<PairList*>(b);
        return Rboolean(pl->m_binding_locked);
    }
#endif

#ifndef __cplusplus
    SEXP CDR(SEXP e);
#else
    inline SEXP CDR(SEXP e)
    {
        using namespace CXXR;
        return tail0(SEXP_downcast<ConsCell*>(e));
    }
#endif

#ifndef __cplusplus
    SEXP CDAR(SEXP e);
#else
    inline SEXP CDAR(SEXP e) {return CDR(CAR(e));}
#endif

#ifndef __cplusplus
    SEXP CADR(SEXP e);
#else
    inline SEXP CADR(SEXP e)
    {
        using namespace CXXR;
        return car0(tail0(SEXP_downcast<ConsCell*>(e)));
    }
#endif

#ifndef __cplusplus
    SEXP CDDR(SEXP e);
#else
    inline SEXP CDDR(SEXP e)
    {
        using namespace CXXR;
        return tail0(tail0(SEXP_downcast<ConsCell*>(e)));
    }
#endif

#ifndef __cplusplus
    SEXP CADDR(SEXP e);
#else
    inline SEXP CADDR(SEXP e)
    {
        using namespace CXXR;
        return car0(tail0(tail0(SEXP_downcast<ConsCell*>(e))));
    }
#endif

#ifndef __cplusplus
    SEXP CADDDR(SEXP e);
#else
    inline SEXP CADDDR(SEXP e)
    {
        using namespace CXXR;
        return car0(tail0(tail0(tail0(SEXP_downcast<ConsCell*>(e)))));
    }
#endif

#ifndef __cplusplus
    SEXP CAD4R(SEXP e);
#else
    inline SEXP CAD4R(SEXP e)
    {
        using namespace CXXR;
        return car0(tail0(tail0(tail0(tail0(SEXP_downcast<ConsCell*>(e))))));
    }
#endif

    Rboolean IS_ACTIVE_BINDING(SEXP b);

#ifndef __cplusplus
    void LOCK_BINDING(SEXP b);
#else
    inline void LOCK_BINDING(SEXP b)
    {
        using namespace CXXR;
        PairList* pl = SEXP_downcast<PairList*>(b);
        pl->m_binding_locked = true;}
#endif

#ifndef __cplusplus
    void SET_ACTIVE_BINDING_BIT(SEXP b);
#else
    inline void SET_ACTIVE_BINDING_BIT(SEXP b)
    {
        using namespace CXXR;
        PairList* pl = SEXP_downcast<PairList*>(b);
        pl->m_active_binding = true;
    }
#endif

    SEXP SETCDR(SEXP x, SEXP y);

    SEXP SETCADR(SEXP x, SEXP y);

    SEXP SETCADDR(SEXP x, SEXP y);

    SEXP SETCADDDR(SEXP x, SEXP y);

    SEXP SETCAD4R(SEXP x, SEXP y);

#ifndef __cplusplus
    void UNLOCK_BINDING(SEXP b);
#else
    inline void UNLOCK_BINDING(SEXP b)
    {
        using namespace CXXR;
        PairList* pl = SEXP_downcast<PairList*>(b);
        pl->m_binding_locked = false;
    }
#endif

    SEXP Rf_allocList(unsigned int n);

    SEXP Rf_cons(SEXP cr, SEXP tl);

#ifdef __cplusplus
}
#endif

#endif /* RPAIRLIST_H */