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Commit	Line	Data
	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, 2010, 2011 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_HAS_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) \
	32	(!(SCM_CELL_WORD_0 (x) & SCM_I_F_SYMBOL_UNINTERNED))
	33
	34	#define SCM_I_F_SYMBOL_UNINTERNED 0x100
	35
	36	\f
	37
	38	/* Older spellings; don't use in new code.
	39	*/
	40	#define SCM_SYMBOLP(x) (scm_is_symbol (x))
	41	#define SCM_SYMBOL_FUNC(x) (scm_symbol_fref (x))
	42	#define SCM_SET_SYMBOL_FUNC(x,f) (scm_symbol_fset_x (x, f))
	43	#define SCM_SYMBOL_PROPS(x) (scm_symbol_pref (x))
	44	#define SCM_SET_SYMBOL_PROPS(x,p) (scm_symbol_pset_x (x, p))
	45	#define SCM_SYMBOL_HASH(x) (scm_i_symbol_hash (x))
	46	#define SCM_SYMBOL_INTERNED_P(x) (scm_i_symbol_is_interned (x))
	47
	48	\f
	49
	50	#ifdef GUILE_DEBUG
	51	SCM_API SCM scm_sys_symbols (void);
	52	#endif
	53
	54	SCM_API SCM scm_symbol_p (SCM x);
	55	SCM_API SCM scm_symbol_interned_p (SCM sym);
	56	SCM_API SCM scm_make_symbol (SCM name);
	57	SCM_API SCM scm_symbol_to_string (SCM s);
	58	SCM_API SCM scm_string_to_symbol (SCM s);
	59	SCM_API SCM scm_string_ci_to_symbol (SCM s);
	60
	61	SCM_API SCM scm_symbol_fref (SCM s);
	62	SCM_API SCM scm_symbol_pref (SCM s);
	63	SCM_API SCM scm_symbol_fset_x (SCM s, SCM val);
	64	SCM_API SCM scm_symbol_pset_x (SCM s, SCM val);
	65
	66	SCM_API SCM scm_symbol_hash (SCM s);
	67	SCM_API SCM scm_gensym (SCM prefix);
	68
	69	/* Use locale encoding for user input, user output, or interacting with
	70	the C library. Use latin-1 for ASCII, and for literals in source
	71	code. Use UTF-8 for interaction with modern libraries which deal in
	72	UTF-8. Otherwise use scm_to_stringn or scm_from_stringn, and
	73	convert. */
	74
	75	SCM_API SCM scm_from_locale_symbol (const char *str);
	76	SCM_API SCM scm_from_locale_symboln (const char *str, size_t len);
	77	SCM_API SCM scm_take_locale_symbol (char *sym);
	78	SCM_API SCM scm_take_locale_symboln (char *sym, size_t len);
	79
	80	SCM_API SCM scm_from_latin1_symbol (const char *str);
	81	SCM_API SCM scm_from_latin1_symboln (const char *str, size_t len);
	82	SCM_API SCM scm_take_latin1_symbol (char *sym);
	83	SCM_API SCM scm_take_latin1_symboln (char *sym, size_t len);
	84
	85	SCM_API SCM scm_from_utf8_symbol (const char *str);
	86	SCM_API SCM scm_from_utf8_symboln (const char *str, size_t len);
	87	SCM_API SCM scm_take_utf8_symbol (char *sym);
	88	SCM_API SCM scm_take_utf8_symboln (char *sym, size_t len);
	89
	90	/* internal functions. */
	91
	92	SCM_INTERNAL unsigned long scm_i_hash_symbol (SCM obj, unsigned long n,
	93	void *closure);
	94
	95	SCM_INTERNAL void scm_symbols_prehistory (void);
	96	SCM_INTERNAL void scm_init_symbols (void);
	97
	98	#endif /* SCM_SYMBOLS_H */
	99
	100	/*
	101	Local Variables:
	102	c-file-style: "gnu"
	103	End:
	104	*/