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159 lines
6.4 KiB
C
159 lines
6.4 KiB
C
/* classes: h_files */
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#ifndef SCM_SYMBOLS_H
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#define SCM_SYMBOLS_H
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/* Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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#include "libguile/__scm.h"
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/* SCM_SYMBOL_LENGTH(SYM) is the length of SYM's name in characters, and
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* SCM_SYMBOL_CHARS(SYM) is the address of the first character of SYM's name.
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*/
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#define SCM_SYMBOLP(x) (SCM_NIMP (x) && (SCM_TYP7 (x) == scm_tc7_symbol))
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#define SCM_SYMBOL_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8)
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#define SCM_SET_SYMBOL_LENGTH(s, l) (SCM_SET_CELL_WORD_0 ((s), ((l) << 8) + scm_tc7_symbol))
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#define SCM_SYMBOL_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x)))
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#define SCM_SET_SYMBOL_CHARS(s, c) (SCM_SET_CELL_WORD_1 ((s), (c)))
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#define SCM_SYMBOL_HASH(X) ((unsigned long) SCM_CELL_WORD_2 (X))
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#define SCM_SET_SYMBOL_HASH(X, v) (SCM_SET_CELL_WORD_2 ((X), (v)))
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#define SCM_PROP_SLOTS(X) (SCM_CELL_OBJECT_3 (X))
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#define SCM_SET_PROP_SLOTS(X, v) (SCM_SET_CELL_OBJECT_3 ((X), (v)))
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#define SCM_SYMBOL_FUNC(X) (SCM_CAR (SCM_CELL_OBJECT_3 (X)))
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#define SCM_SET_SYMBOL_FUNC(X, v) (SCM_SETCAR (SCM_CELL_OBJECT_3 (X), (v)))
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#define SCM_SYMBOL_PROPS(X) (SCM_CDR (SCM_CELL_OBJECT_3 (X)))
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#define SCM_SET_SYMBOL_PROPS(X, v) (SCM_SETCDR (SCM_CELL_OBJECT_3 (X), (v)))
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#ifdef GUILE_DEBUG
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extern SCM scm_sys_symbols (void);
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#endif
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extern SCM scm_mem2symbol (const char*, size_t);
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extern SCM scm_str2symbol (const char*);
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extern SCM scm_symbol_p (SCM x);
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extern SCM scm_symbol_to_string (SCM s);
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extern SCM scm_string_to_symbol (SCM s);
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extern SCM scm_symbol_fref (SCM s);
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extern SCM scm_symbol_pref (SCM s);
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extern SCM scm_symbol_fset_x (SCM s, SCM val);
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extern SCM scm_symbol_pset_x (SCM s, SCM val);
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extern SCM scm_symbol_hash (SCM s);
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extern SCM scm_gensym (SCM prefix);
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extern void scm_symbols_prehistory (void);
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extern void scm_init_symbols (void);
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#if (SCM_DEBUG_DEPRECATED == 0)
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#define SCM_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x)))
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#define SCM_UCHARS(x) ((unsigned char *) (SCM_CELL_WORD_1 (x)))
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#define SCM_SETCHARS(x, v) (SCM_SET_CELL_WORD_1 ((x), (scm_t_bits) (v)))
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#define SCM_SLOPPY_SUBSTRP(x) (SCM_SUBSTRP (x))
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#define SCM_SUBSTR_STR(x) (SCM_CDDR (x))
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#define SCM_SUBSTR_OFFSET(x) (SCM_CADR (x))
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#define SCM_LENGTH_MAX (0xffffffL)
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#define SCM_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8)
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#define SCM_SETLENGTH(x, v, t) (SCM_SET_CELL_WORD_0 ((x), ((v) << 8) + (t)))
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#define SCM_ROSTRINGP(x) (SCM_NIMP(x) && ((SCM_TYP7S(x)==scm_tc7_string) \
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|| (SCM_TYP7(x) == scm_tc7_symbol)))
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#define SCM_ROLENGTH(x) SCM_LENGTH (x)
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#define SCM_ROCHARS(x) ((SCM_TYP7 (x) == scm_tc7_substring) \
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? (SCM_INUM (SCM_CADR (x)) + SCM_STRING_CHARS (SCM_CDDR (x))) \
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: ((SCM_TYP7 (x) == scm_tc7_string) \
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? SCM_STRING_CHARS (x) \
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: SCM_SYMBOL_CHARS (x)))
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#define SCM_ROUCHARS(x) ((SCM_TYP7 (x) == scm_tc7_substring) \
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? (SCM_INUM (SCM_CADR (x)) + SCM_STRING_UCHARS (SCM_CDDR (x))) \
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: ((SCM_TYP7 (x) == scm_tc7_string) \
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? SCM_STRING_UCHARS (x) \
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: (unsigned char *) SCM_SYMBOL_CHARS (x)))
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#define SCM_SUBSTRP(x) (SCM_NIMP (x) && (SCM_TYP7 (x) == scm_tc7_substring))
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#define SCM_COERCE_SUBSTR(x) SCM_STRING_COERCE_0TERMINATION_X (x)
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#define scm_strhash(str, len, n) (scm_string_hash ((str), (len)) % (n))
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#endif /* SCM_DEBUG_DEPRECATED == 0 */
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#if SCM_ENABLE_VCELLS
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extern SCM scm_sym2vcell (SCM sym, SCM thunk, SCM definep);
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extern SCM scm_sym2ovcell_soft (SCM sym, SCM obarray);
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extern SCM scm_sym2ovcell (SCM sym, SCM obarray);
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extern SCM scm_intern_obarray_soft (const char *name, size_t len, SCM obarray, unsigned int softness);
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extern SCM scm_intern_obarray (const char *name, size_t len, SCM obarray);
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extern SCM scm_intern (const char *name, size_t len);
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extern SCM scm_intern0 (const char *name);
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extern SCM scm_sysintern (const char *name, SCM val);
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extern SCM scm_sysintern0 (const char *name);
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extern SCM scm_sysintern0_no_module_lookup (const char *name);
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extern SCM scm_symbol_value0 (const char *name);
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extern SCM scm_string_to_obarray_symbol (SCM o, SCM s, SCM softp);
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extern SCM scm_intern_symbol (SCM o, SCM s);
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extern SCM scm_unintern_symbol (SCM o, SCM s);
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extern SCM scm_symbol_binding (SCM o, SCM s);
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extern SCM scm_symbol_interned_p (SCM o, SCM s);
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extern SCM scm_symbol_bound_p (SCM o, SCM s);
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extern SCM scm_symbol_set_x (SCM o, SCM s, SCM v);
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extern SCM scm_gentemp (SCM prefix, SCM obarray);
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extern void scm_init_symbols_deprecated (void);
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#endif /* SCM_ENABLE_VCELLS */
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#endif /* SCM_SYMBOLS_H */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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