1 /* Copyright (C) 1995,1996,1997,1998, 1999 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
51 static int prin_keyword
SCM_P ((SCM exp
, SCM port
, scm_print_state
*pstate
));
54 prin_keyword (exp
, port
, pstate
)
57 scm_print_state
*pstate
;
59 scm_puts ("#:", port
);
60 scm_puts(1 + SCM_CHARS (SCM_CDR (exp
)), port
);
66 /* This global is only kept for backward compatibility.
67 Will be removed in next release. */
71 SCM_PROC (s_make_keyword_from_dash_symbol
, "make-keyword-from-dash-symbol", 1, 0, 0, scm_make_keyword_from_dash_symbol
);
74 scm_make_keyword_from_dash_symbol (symbol
)
79 SCM_ASSERT (SCM_NIMP (symbol
)
80 && SCM_SYMBOLP (symbol
)
81 && ('-' == SCM_CHARS(symbol
)[0]),
82 symbol
, SCM_ARG1
, s_make_keyword_from_dash_symbol
);
85 vcell
= scm_sym2ovcell_soft (symbol
, scm_keyword_obarray
);
86 if (vcell
== SCM_BOOL_F
)
89 SCM_NEWSMOB (keyword
, scm_tc16_keyword
, symbol
);
90 scm_intern_symbol (scm_keyword_obarray
, symbol
);
91 vcell
= scm_sym2ovcell_soft (symbol
, scm_keyword_obarray
);
92 SCM_SETCDR (vcell
, keyword
);
95 return SCM_CDR (vcell
);
99 scm_c_make_keyword (char *s
)
102 char *buf
= scm_must_malloc (strlen (s
) + 2, "keyword");
105 vcell
= scm_sysintern0 (buf
);
107 return scm_make_keyword_from_dash_symbol (SCM_CAR (vcell
));
110 SCM_PROC(s_keyword_p
, "keyword?", 1, 0, 0, scm_keyword_p
);
116 return ( (SCM_NIMP(obj
) && SCM_KEYWORDP (obj
))
123 SCM_PROC(s_keyword_dash_symbol
, "keyword-dash-symbol", 1, 0, 0, scm_keyword_dash_symbol
);
126 scm_keyword_dash_symbol (keyword
)
129 SCM_ASSERT (SCM_NIMP (keyword
) && SCM_KEYWORDP (keyword
),
130 keyword
, SCM_ARG1
, s_keyword_dash_symbol
);
131 return SCM_CDR (keyword
);
141 scm_tc16_keyword
= scm_make_smob_type_mfpe ("keyword", 0,
142 scm_markcdr
, NULL
, prin_keyword
, NULL
);
143 scm_tc16_kw
= scm_tc16_keyword
;
144 scm_keyword_obarray
= scm_make_vector (SCM_MAKINUM (256), SCM_EOL
);
145 #include "keywords.x"