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, 2006, 2008 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 License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * 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., 51 Franklin Street, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  */
  23
  24 \f
  25
  26 #include "libguile/__scm.h"
  27 \f
  28
  29 #define scm_is_symbol(x)            (!SCM_IMP (x) \
  30                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
  31 #define scm_i_symbol_hash(x)        ((unsigned long) SCM_CELL_WORD_2 (x))
  32 #define scm_i_symbol_is_interned(x) \
  33   (!(SCM_CELL_WORD_0 (x) & SCM_I_F_SYMBOL_UNINTERNED))
  34
  35 #define SCM_I_F_SYMBOL_UNINTERNED   0x100
  36
  37 \f
  38
  39 #ifdef GUILE_DEBUG
  40 SCM_API SCM scm_sys_symbols (void);
  41 #endif
  42
  43 SCM_API SCM scm_symbol_p (SCM x);
  44 SCM_API SCM scm_symbol_interned_p (SCM sym);
  45 SCM_API SCM scm_make_symbol (SCM name);
  46 SCM_API SCM scm_symbol_to_string (SCM s);
  47 SCM_API SCM scm_string_to_symbol (SCM s);
  48 SCM_API SCM scm_string_ci_to_symbol (SCM s);
  49
  50 SCM_API SCM scm_symbol_fref (SCM s);
  51 SCM_API SCM scm_symbol_pref (SCM s);
  52 SCM_API SCM scm_symbol_fset_x (SCM s, SCM val);
  53 SCM_API SCM scm_symbol_pset_x (SCM s, SCM val);
  54
  55 SCM_API SCM scm_symbol_hash (SCM s);
  56 SCM_API SCM scm_gensym (SCM prefix);
  57
  58 SCM_API SCM scm_from_locale_symbol (const char *str);
  59 SCM_API SCM scm_from_locale_symboln (const char *str, size_t len);
  60 SCM_API SCM scm_take_locale_symbol (char *sym);
  61 SCM_API SCM scm_take_locale_symboln (char *sym, size_t len);
  62
  63 /* internal functions. */
  64
  65 SCM_INTERNAL unsigned long scm_i_hash_symbol (SCM obj, unsigned long n,
  66                                          void *closure);
  67
  68 SCM_INTERNAL void scm_symbols_prehistory (void);
  69 SCM_INTERNAL void scm_init_symbols (void);
  70
  71 #endif  /* SCM_SYMBOLS_H */
  72
  73 /*
  74   Local Variables:
  75   c-file-style: "gnu"
  76   End:
  77 */