| 1 | /* classes: h_files */ |
| 2 | |
| 3 | #ifndef SYMBOLSH |
| 4 | #define SYMBOLSH |
| 5 | /* Copyright (C) 1995,1996,1997,1998, 2000, 2001 Free Software Foundation, Inc. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2, or (at your option) |
| 10 | * any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this software; see the file COPYING. If not, write to |
| 19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
| 20 | * Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | * As a special exception, the Free Software Foundation gives permission |
| 23 | * for additional uses of the text contained in its release of GUILE. |
| 24 | * |
| 25 | * The exception is that, if you link the GUILE library with other files |
| 26 | * to produce an executable, this does not by itself cause the |
| 27 | * resulting executable to be covered by the GNU General Public License. |
| 28 | * Your use of that executable is in no way restricted on account of |
| 29 | * linking the GUILE library code into it. |
| 30 | * |
| 31 | * This exception does not however invalidate any other reasons why |
| 32 | * the executable file might be covered by the GNU General Public License. |
| 33 | * |
| 34 | * This exception applies only to the code released by the |
| 35 | * Free Software Foundation under the name GUILE. If you copy |
| 36 | * code from other Free Software Foundation releases into a copy of |
| 37 | * GUILE, as the General Public License permits, the exception does |
| 38 | * not apply to the code that you add in this way. To avoid misleading |
| 39 | * anyone as to the status of such modified files, you must delete |
| 40 | * this exception notice from them. |
| 41 | * |
| 42 | * If you write modifications of your own for GUILE, it is your choice |
| 43 | * whether to permit this exception to apply to your modifications. |
| 44 | * If you do not wish that, delete this exception notice. */ |
| 45 | |
| 46 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, |
| 47 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ |
| 48 | \f |
| 49 | |
| 50 | #include "libguile/__scm.h" |
| 51 | \f |
| 52 | |
| 53 | /* SCM_SYMBOL_LENGTH(SYM) is the length of SYM's name in characters, and |
| 54 | * SCM_SYMBOL_CHARS(SYM) is the address of the first character of SYM's name. |
| 55 | */ |
| 56 | |
| 57 | #define SCM_SYMBOLP(x) (SCM_NIMP (x) && (SCM_TYP7 (x) == scm_tc7_symbol)) |
| 58 | #define SCM_SYMBOL_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8) |
| 59 | #define SCM_SET_SYMBOL_LENGTH(s, l) (SCM_SET_CELL_WORD_0 ((s), ((l) << 8) + scm_tc7_symbol)) |
| 60 | #define SCM_SYMBOL_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x))) |
| 61 | #define SCM_SET_SYMBOL_CHARS(s, c) (SCM_SET_CELL_WORD_1 ((s), (c))) |
| 62 | #define SCM_SYMBOL_HASH(X) ((unsigned long) SCM_CELL_WORD_2 (X)) |
| 63 | #define SCM_SET_SYMBOL_HASH(X, v) (SCM_SET_CELL_WORD_2 ((X), (v))) |
| 64 | |
| 65 | #define SCM_PROP_SLOTS(X) (SCM_CELL_WORD_3 (X)) |
| 66 | #define SCM_SET_PROP_SLOTS(X, v) (SCM_SET_CELL_WORD_3 ((X), (v))) |
| 67 | #define SCM_SYMBOL_FUNC(X) (SCM_CAR (SCM_CELL_WORD_3 (X))) |
| 68 | #define SCM_SET_SYMBOL_FUNC(X, v) (SCM_SETCAR (SCM_CELL_WORD_3 (X), (v))) |
| 69 | #define SCM_SYMBOL_PROPS(X) (SCM_CDR (SCM_CELL_WORD_3 (X))) |
| 70 | #define SCM_SET_SYMBOL_PROPS(X, v) (SCM_SETCDR (SCM_CELL_WORD_3 (X), (v))) |
| 71 | |
| 72 | \f |
| 73 | |
| 74 | #ifdef GUILE_DEBUG |
| 75 | extern SCM scm_sys_symbols (void); |
| 76 | #endif |
| 77 | extern SCM scm_mem2symbol (const char*, size_t); |
| 78 | extern SCM scm_str2symbol (const char*); |
| 79 | |
| 80 | extern SCM scm_symbol_p (SCM x); |
| 81 | extern SCM scm_symbol_to_string (SCM s); |
| 82 | extern SCM scm_string_to_symbol (SCM s); |
| 83 | |
| 84 | extern SCM scm_symbol_fref (SCM s); |
| 85 | extern SCM scm_symbol_pref (SCM s); |
| 86 | extern SCM scm_symbol_fset_x (SCM s, SCM val); |
| 87 | extern SCM scm_symbol_pset_x (SCM s, SCM val); |
| 88 | |
| 89 | extern SCM scm_symbol_hash (SCM s); |
| 90 | extern SCM scm_gensym (SCM prefix); |
| 91 | |
| 92 | extern void scm_symbols_prehistory (void); |
| 93 | extern void scm_init_symbols (void); |
| 94 | |
| 95 | \f |
| 96 | |
| 97 | #if (SCM_DEBUG_DEPRECATED == 0) |
| 98 | |
| 99 | #define SCM_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x))) |
| 100 | #define SCM_UCHARS(x) ((unsigned char *) (SCM_CELL_WORD_1 (x))) |
| 101 | #define SCM_SETCHARS(x, v) (SCM_SET_CELL_WORD_1 ((x), (scm_bits_t) (v))) |
| 102 | #define SCM_SLOPPY_SUBSTRP(x) (SCM_SUBSTRP (x)) |
| 103 | #define SCM_SUBSTR_STR(x) (SCM_CDDR (x)) |
| 104 | #define SCM_SUBSTR_OFFSET(x) (SCM_CADR (x)) |
| 105 | #define SCM_LENGTH_MAX (0xffffffL) |
| 106 | #define SCM_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8) |
| 107 | #define SCM_SETLENGTH(x, v, t) (SCM_SET_CELL_WORD_0 ((x), ((v) << 8) + (t))) |
| 108 | #define SCM_ROSTRINGP(x) (SCM_NIMP(x) && ((SCM_TYP7S(x)==scm_tc7_string) \ |
| 109 | || (SCM_TYP7(x) == scm_tc7_symbol))) |
| 110 | #define SCM_ROLENGTH(x) SCM_LENGTH (x) |
| 111 | #define SCM_ROCHARS(x) ((SCM_TYP7 (x) == scm_tc7_substring) \ |
| 112 | ? (SCM_INUM (SCM_CADR (x)) + SCM_STRING_CHARS (SCM_CDDR (x))) \ |
| 113 | : ((SCM_TYP7 (x) == scm_tc7_string) \ |
| 114 | ? SCM_STRING_CHARS (x) \ |
| 115 | : SCM_SYMBOL_CHARS (x))) |
| 116 | #define SCM_ROUCHARS(x) ((SCM_TYP7 (x) == scm_tc7_substring) \ |
| 117 | ? (SCM_INUM (SCM_CADR (x)) + SCM_STRING_UCHARS (SCM_CDDR (x))) \ |
| 118 | : ((SCM_TYP7 (x) == scm_tc7_string) \ |
| 119 | ? SCM_STRING_UCHARS (x) \ |
| 120 | : (unsigned char *) SCM_SYMBOL_CHARS (x))) |
| 121 | #define SCM_SUBSTRP(x) (SCM_NIMP (x) && (SCM_TYP7 (x) == scm_tc7_substring)) |
| 122 | #define SCM_COERCE_SUBSTR(x) SCM_STRING_COERCE_0TERMINATION_X (x) |
| 123 | #define scm_strhash(str, len, n) (scm_string_hash ((str), (len)) % (n)) |
| 124 | |
| 125 | #endif /* SCM_DEBUG_DEPRECATED == 0 */ |
| 126 | |
| 127 | #if SCM_ENABLE_VCELLS |
| 128 | |
| 129 | extern SCM scm_sym2vcell (SCM sym, SCM thunk, SCM definep); |
| 130 | extern SCM scm_sym2ovcell_soft (SCM sym, SCM obarray); |
| 131 | extern SCM scm_sym2ovcell (SCM sym, SCM obarray); |
| 132 | extern SCM scm_intern_obarray_soft (const char *name, size_t len, SCM obarray, unsigned int softness); |
| 133 | extern SCM scm_intern_obarray (const char *name, size_t len, SCM obarray); |
| 134 | extern SCM scm_intern (const char *name, size_t len); |
| 135 | extern SCM scm_intern0 (const char *name); |
| 136 | extern SCM scm_sysintern (const char *name, SCM val); |
| 137 | extern SCM scm_sysintern0 (const char *name); |
| 138 | extern SCM scm_sysintern0_no_module_lookup (const char *name); |
| 139 | extern SCM scm_symbol_value0 (const char *name); |
| 140 | |
| 141 | extern SCM scm_string_to_obarray_symbol (SCM o, SCM s, SCM softp); |
| 142 | extern SCM scm_intern_symbol (SCM o, SCM s); |
| 143 | extern SCM scm_unintern_symbol (SCM o, SCM s); |
| 144 | extern SCM scm_symbol_binding (SCM o, SCM s); |
| 145 | extern SCM scm_symbol_interned_p (SCM o, SCM s); |
| 146 | extern SCM scm_symbol_bound_p (SCM o, SCM s); |
| 147 | extern SCM scm_symbol_set_x (SCM o, SCM s, SCM v); |
| 148 | |
| 149 | extern SCM scm_gentemp (SCM prefix, SCM obarray); |
| 150 | |
| 151 | extern void scm_init_symbols_deprecated (void); |
| 152 | |
| 153 | #endif /* SCM_ENABLE_VCELLS */ |
| 154 | |
| 155 | #endif /* SYMBOLSH */ |
| 156 | |
| 157 | /* |
| 158 | Local Variables: |
| 159 | c-file-style: "gnu" |
| 160 | End: |
| 161 | */ |