/*
 * symbol.h - Public API for Scheme symbols
 *
 *   Copyright (c) 2000-2007  Shiro Kawai  <shiro@acm.org>
 * 
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 * 
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 *   3. Neither the name of the authors nor the names of its contributors
 *      may be used to endorse or promote products derived from this
 *      software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 *   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  $Id: symbol.h,v 1.2 2007/03/22 11:20:36 shirok Exp $
 */

/* This file is included from gauche.h */

#ifndef GAUCHE_SYMBOL_H
#define GAUCHE_SYMBOL_H

struct ScmSymbolRec {
    SCM_HEADER;
    ScmString *name;
};

SCM_CLASS_DECL(Scm_SymbolClass);
#define SCM_CLASS_SYMBOL       (&Scm_SymbolClass)

#define SCM_SYMBOL(obj)        ((ScmSymbol*)(obj))
#define SCM_SYMBOLP(obj)       SCM_XTYPEP(obj, SCM_CLASS_SYMBOL)
#define SCM_SYMBOL_NAME(obj)   (SCM_SYMBOL(obj)->name)

SCM_EXTERN ScmObj Scm_Intern(ScmString *name);
SCM_EXTERN ScmObj Scm_Gensym(ScmString *prefix);

#define SCM_INTERN(cstr)  Scm_Intern(SCM_STRING(SCM_MAKE_STR_IMMUTABLE(cstr)))

#endif /* GAUCHE_SYMBOL_H */

