libguile/symbols.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_SYMBOLS_H
   4 #define SCM_SYMBOLS_H
   5
   6 /* Copyright (C) 1995,1996,1997,1998,2000,2001, 2003, 2004 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26 \f
  27
  28 #define scm_is_symbol(x)            (!SCM_IMP (x) \
  29                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
  30 #define scm_i_symbol_hash(x)        ((unsigned long) SCM_CELL_WORD_2 (x))
  31 #define scm_i_symbol_is_interned(x) (scm_i_symbol_hash(x)<=(SCM_T_BITS_MAX/2))
  32
  33 \f
  34
  35 #ifdef GUILE_DEBUG
  36 SCM_API SCM scm_sys_symbols (void);
  37 #endif
  38
  39 SCM_API SCM scm_symbol_p (SCM x);
  40 SCM_API SCM scm_symbol_interned_p (SCM sym);
  41 SCM_API SCM scm_make_symbol (SCM name);
  42 SCM_API SCM scm_symbol_to_string (SCM s);
  43 SCM_API SCM scm_string_to_symbol (SCM s);
  44 SCM_API SCM scm_string_ci_to_symbol (SCM s);
  45
  46 SCM_API SCM scm_symbol_fref (SCM s);
  47 SCM_API SCM scm_symbol_pref (SCM s);
  48 SCM_API SCM scm_symbol_fset_x (SCM s, SCM val);
  49 SCM_API SCM scm_symbol_pset_x (SCM s, SCM val);
  50
  51 SCM_API SCM scm_symbol_hash (SCM s);
  52 SCM_API SCM scm_gensym (SCM prefix);
  53
  54 SCM_API SCM scm_from_locale_symbol (const char *str);
  55 SCM_API SCM scm_from_locale_symboln (const char *str, size_t len);
  56
  57 /* internal functions. */
  58
  59 SCM_API unsigned long scm_i_hash_symbol (SCM obj, unsigned long n,
  60                                          void *closure);
  61
  62 SCM_API void scm_symbols_prehistory (void);
  63 SCM_API void scm_init_symbols (void);
  64
  65 #endif  /* SCM_SYMBOLS_H */
  66
  67 /*
  68   Local Variables:
  69   c-file-style: "gnu"
  70   End:
  71 */