-/* Copyright (C) 1995,1996,1997,1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
-/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
- gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
\f
-#include <stdio.h>
+#include <string.h>
+
#include "libguile/_scm.h"
#include "libguile/ports.h"
#include "libguile/root.h"
#include "libguile/smob.h"
-#include "libguile/vectors.h"
+#include "libguile/hashtab.h"
#include "libguile/validate.h"
#include "libguile/keywords.h"
\f
+scm_t_bits scm_tc16_keyword;
+
static int
-prin_keyword (SCM exp,SCM port,scm_print_state *pstate)
+keyword_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED)
{
+ SCM symbol = SCM_KEYWORDSYM (exp);
+
scm_puts ("#:", port);
- scm_puts(1 + SCM_CHARS (SCM_CDR (exp)), port);
+ scm_print_symbol_name (SCM_SYMBOL_CHARS (symbol) + 1,
+ SCM_SYMBOL_LENGTH (symbol) - 1,
+ port);
+ scm_remember_upto_here_1 (symbol);
return 1;
}
-int scm_tc16_keyword;
-
-
-#if (SCM_DEBUG_DEPRECATED == 0)
-
-/* This global is only kept for backward compatibility.
- Will be removed in next release. */
-int scm_tc16_kw;
-
-#endif /* SCM_DEBUG_DEPRECATED == 0 */
-
-
SCM_DEFINE (scm_make_keyword_from_dash_symbol, "make-keyword-from-dash-symbol", 1, 0, 0,
(SCM symbol),
- "Return a keyword object from SYMBOL that starts with `-' (a dash).")
+ "Make a keyword object from a @var{symbol} that starts with a dash.")
#define FUNC_NAME s_scm_make_keyword_from_dash_symbol
{
- SCM vcell;
+ SCM keyword;
SCM_ASSERT (SCM_SYMBOLP (symbol)
- && ('-' == SCM_CHARS(symbol)[0]),
+ && ('-' == SCM_SYMBOL_CHARS(symbol)[0]),
symbol, SCM_ARG1, FUNC_NAME);
SCM_DEFER_INTS;
- vcell = scm_sym2ovcell_soft (symbol, scm_keyword_obarray);
- if (SCM_FALSEP (vcell))
+ keyword = scm_hashq_ref (scm_keyword_obarray, symbol, SCM_BOOL_F);
+ if (SCM_FALSEP (keyword))
{
- SCM keyword;
SCM_NEWSMOB (keyword, scm_tc16_keyword, SCM_UNPACK (symbol));
- scm_intern_symbol (scm_keyword_obarray, symbol);
- vcell = scm_sym2ovcell_soft (symbol, scm_keyword_obarray);
- SCM_SETCDR (vcell, keyword);
+ scm_hashq_set_x (scm_keyword_obarray, symbol, keyword);
}
SCM_ALLOW_INTS;
- return SCM_CDR (vcell);
+ return keyword;
}
#undef FUNC_NAME
SCM
scm_c_make_keyword (char *s)
{
- SCM vcell;
- char *buf = scm_must_malloc (strlen (s) + 2, "keyword");
+ char *buf = scm_malloc (strlen (s) + 2);
+ SCM symbol;
+
buf[0] = '-';
strcpy (buf + 1, s);
- vcell = scm_sysintern0 (buf);
- scm_must_free (buf);
- return scm_make_keyword_from_dash_symbol (SCM_CAR (vcell));
+ symbol = scm_str2symbol (buf);
+ free (buf);
+
+ return scm_make_keyword_from_dash_symbol (symbol);
}
SCM_DEFINE (scm_keyword_p, "keyword?", 1, 0, 0,
(SCM obj),
- "Returns #t if the argument OBJ is a keyword, else #f.")
+ "Return @code{#t} if the argument @var{obj} is a keyword, else\n"
+ "@code{#f}.")
#define FUNC_NAME s_scm_keyword_p
{
- return SCM_BOOL(SCM_KEYWORDP (obj));
+ return SCM_BOOL (SCM_KEYWORDP (obj));
}
#undef FUNC_NAME
SCM_DEFINE (scm_keyword_dash_symbol, "keyword-dash-symbol", 1, 0, 0,
(SCM keyword),
- "Return KEYWORD as a dash symbol.\n"
- "This is the inverse of `make-keyword-from-dash-symbol'.\n")
+ "Return the dash symbol for @var{keyword}.\n"
+ "This is the inverse of @code{make-keyword-from-dash-symbol}.")
#define FUNC_NAME s_scm_keyword_dash_symbol
{
- SCM_VALIDATE_KEYWORD (1,keyword);
- return SCM_CDR (keyword);
+ SCM_VALIDATE_KEYWORD (1, keyword);
+ return SCM_KEYWORDSYM (keyword);
}
#undef FUNC_NAME
void
scm_init_keywords ()
{
- scm_tc16_keyword = scm_make_smob_type_mfpe ("keyword", 0,
- scm_markcdr, NULL, prin_keyword, NULL);
-
-#if (SCM_DEBUG_DEPRECATED == 0)
-
- scm_tc16_kw = scm_tc16_keyword;
-
-#endif /* SCM_DEBUG_DEPRECATED == 0 */
+ scm_tc16_keyword = scm_make_smob_type ("keyword", 0);
+ scm_set_smob_mark (scm_tc16_keyword, scm_markcdr);
+ scm_set_smob_print (scm_tc16_keyword, keyword_print);
- scm_keyword_obarray = scm_make_vector (SCM_MAKINUM (256), SCM_EOL);
+ scm_keyword_obarray = scm_c_make_hash_table (256);
#include "libguile/keywords.x"
}