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/* classes: h_files */
#ifndef SCM_SYMBOLS_H
#define SCM_SYMBOLS_H
/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2003, 2004, 2006, 2008, 2010, 2011 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library 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 Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "libguile/__scm.h"
#define scm_is_symbol(x) (SCM_HAS_TYP7 (x, scm_tc7_symbol))
#define scm_i_symbol_hash(x) ((unsigned long) SCM_CELL_WORD_2 (x))
#define scm_i_symbol_is_interned(x) \
(!(SCM_CELL_WORD_0 (x) & SCM_I_F_SYMBOL_UNINTERNED))
#define SCM_I_F_SYMBOL_UNINTERNED 0x100
/* Older spellings; don't use in new code.
*/
#define SCM_SYMBOLP(x) (scm_is_symbol (x))
#define SCM_SYMBOL_FUNC(x) (scm_symbol_fref (x))
#define SCM_SET_SYMBOL_FUNC(x,f) (scm_symbol_fset_x (x, f))
#define SCM_SYMBOL_PROPS(x) (scm_symbol_pref (x))
#define SCM_SET_SYMBOL_PROPS(x,p) (scm_symbol_pset_x (x, p))
#define SCM_SYMBOL_HASH(x) (scm_i_symbol_hash (x))
#define SCM_SYMBOL_INTERNED_P(x) (scm_i_symbol_is_interned (x))
#ifdef GUILE_DEBUG
SCM_API SCM scm_sys_symbols (void);
#endif
SCM_API SCM scm_symbol_p (SCM x);
SCM_API SCM scm_symbol_interned_p (SCM sym);
SCM_API SCM scm_make_symbol (SCM name);
SCM_API SCM scm_symbol_to_string (SCM s);
SCM_API SCM scm_string_to_symbol (SCM s);
SCM_API SCM scm_string_ci_to_symbol (SCM s);
SCM_API SCM scm_symbol_fref (SCM s);
SCM_API SCM scm_symbol_pref (SCM s);
SCM_API SCM scm_symbol_fset_x (SCM s, SCM val);
SCM_API SCM scm_symbol_pset_x (SCM s, SCM val);
SCM_API SCM scm_symbol_hash (SCM s);
SCM_API SCM scm_gensym (SCM prefix);
/* Use locale encoding for user input, user output, or interacting with
the C library. Use latin-1 for ASCII, and for literals in source
code. Use UTF-8 for interaction with modern libraries which deal in
UTF-8. Otherwise use scm_to_stringn or scm_from_stringn, and
convert. */
SCM_API SCM scm_from_locale_symbol (const char *str);
SCM_API SCM scm_from_locale_symboln (const char *str, size_t len);
SCM_API SCM scm_take_locale_symbol (char *sym);
SCM_API SCM scm_take_locale_symboln (char *sym, size_t len);
SCM_API SCM scm_from_latin1_symbol (const char *str);
SCM_API SCM scm_from_latin1_symboln (const char *str, size_t len);
SCM_API SCM scm_take_latin1_symbol (char *sym);
SCM_API SCM scm_take_latin1_symboln (char *sym, size_t len);
SCM_API SCM scm_from_utf8_symbol (const char *str);
SCM_API SCM scm_from_utf8_symboln (const char *str, size_t len);
SCM_API SCM scm_take_utf8_symbol (char *sym);
SCM_API SCM scm_take_utf8_symboln (char *sym, size_t len);
/* internal functions. */
SCM_INTERNAL unsigned long scm_i_hash_symbol (SCM obj, unsigned long n,
void *closure);
SCM_INTERNAL void scm_symbols_prehistory (void);
SCM_INTERNAL void scm_init_symbols (void);
#endif /* SCM_SYMBOLS_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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