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. */
42 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
43 gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
52 #include "scm_validate.h"
57 prin_keyword (SCM exp
,SCM port
,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 GUILE_PROC (scm_make_keyword_from_dash_symbol
, "make-keyword-from-dash-symbol", 1, 0, 0,
74 #define FUNC_NAME s_scm_make_keyword_from_dash_symbol
78 SCM_ASSERT (SCM_NIMP (symbol
)
79 && SCM_SYMBOLP (symbol
)
80 && ('-' == SCM_CHARS(symbol
)[0]),
81 symbol
, SCM_ARG1
, FUNC_NAME
);
84 vcell
= scm_sym2ovcell_soft (symbol
, scm_keyword_obarray
);
85 if (vcell
== SCM_BOOL_F
)
88 SCM_NEWSMOB (keyword
, scm_tc16_keyword
, symbol
);
89 scm_intern_symbol (scm_keyword_obarray
, symbol
);
90 vcell
= scm_sym2ovcell_soft (symbol
, scm_keyword_obarray
);
91 SCM_SETCDR (vcell
, keyword
);
94 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 GUILE_PROC(scm_keyword_p
, "keyword?", 1, 0, 0,
112 "@code{keyword?} returns @code{#t} if the argument @var{kw} is a keyword;
113 it returns @code{#f} otherwise.")
114 #define FUNC_NAME s_scm_keyword_p
116 return SCM_BOOL(SCM_NIMP(obj
) && SCM_KEYWORDP (obj
));
121 GUILE_PROC(scm_keyword_dash_symbol
, "keyword-dash-symbol", 1, 0, 0,
123 "@code{keyword-dash-symbol} [FIXME: have no idea what this does; it is
125 #define FUNC_NAME s_scm_keyword_dash_symbol
127 SCM_VALIDATE_KEYWORD(1,keyword
);
128 return SCM_CDR (keyword
);
137 scm_tc16_keyword
= scm_make_smob_type_mfpe ("keyword", 0,
138 scm_markcdr
, NULL
, prin_keyword
, NULL
);
139 scm_tc16_kw
= scm_tc16_keyword
;
140 scm_keyword_obarray
= scm_make_vector (SCM_MAKINUM (256), SCM_EOL
);
141 #include "keywords.x"