mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-05-07 08:40:21 +02:00
cc95e00ac6
scm_i_string_writable_chars, scm_i_string_stop_writing): New, to replace SCM_I_STRING_CHARS and SCM_I_STRING_LENGTH. Updated all uses. (scm_i_make_string, scm_c_make_string): New, to replace scm_allocate_string. Updated all uses. (SCM_STRINGP, SCM_STRING_CHARS, SCM_STRING_UCHARS, SCM_STRING_LENGTH): Deprecated. (scm_allocate_string, scm_take_str, scm_take0str, scm_mem2string, scm_str2string, scm_makfrom0str, scm_makfrom0str_opt): Discouraged. Replaced all uses with scm_from_locale_string or similar, as appropriate. (scm_c_string_length, scm_c_string_ref, scm_c_string_set_x, scm_c_substring, scm_c_substring_shared, scm_c_substring_copy, scm_substring_shared, scm_substring_copy): New. * symbols.c, symbols.h (SCM_SYMBOLP, SCM_SYMBOL_FUNC, SCM_SET_SYMBOL_FUNC, SCM_SYMBOL_PROPS, SCM_SET_SYMBOL_PROPS, SCM_SYMBOL_HASH, SCM_SYMBOL_INTERNED_P, scm_mem2symbol, scm_str2symbol, scm_mem2uninterned_symbol): Discouraged. (SCM_SYMBOL_LENGTH, SCM_SYMBOL_CHARS, scm_c_symbol2str): Deprecated. (SCM_MAKE_SYMBOL_TAG, SCM_SET_SYMBOL_LENGTH, SCM_SET_SYMBOL_CHARS, SCM_PROP_SLOTS, SCM_SET_PROP_SLOTS): Removed. (scm_is_symbol, scm_from_locale_symbol, scm_from_locale_symboln): New, to replace scm_str2symbol and scm_mem2symbol, respectively. Updated all uses. (scm_gensym): Generate only the number suffix in the buffer, just string-append the prefix.
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2003, 2004 Free Software Foundation, Inc.
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Lesser General Public
|
||
* License as published by the Free Software Foundation; either
|
||
* version 2.1 of the License, or (at your option) any later version.
|
||
*
|
||
* This library is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
* Lesser General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU Lesser General Public
|
||
* License along with this library; if not, write to the Free Software
|
||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
*/
|
||
|
||
|
||
|
||
|
||
#include <string.h>
|
||
|
||
#include "libguile/_scm.h"
|
||
#include "libguile/ports.h"
|
||
#include "libguile/root.h"
|
||
#include "libguile/smob.h"
|
||
#include "libguile/hashtab.h"
|
||
|
||
#include "libguile/validate.h"
|
||
#include "libguile/keywords.h"
|
||
#include "libguile/strings.h"
|
||
|
||
|
||
|
||
scm_t_bits scm_tc16_keyword;
|
||
|
||
static int
|
||
keyword_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED)
|
||
{
|
||
SCM symbol = SCM_KEYWORDSYM (exp);
|
||
|
||
scm_puts ("#:", port);
|
||
scm_print_symbol_name (scm_i_symbol_chars (symbol) + 1,
|
||
scm_i_symbol_length (symbol) - 1,
|
||
port);
|
||
scm_remember_upto_here_1 (symbol);
|
||
return 1;
|
||
}
|
||
|
||
SCM_DEFINE (scm_make_keyword_from_dash_symbol, "make-keyword-from-dash-symbol", 1, 0, 0,
|
||
(SCM symbol),
|
||
"Make a keyword object from a @var{symbol} that starts with a dash.")
|
||
#define FUNC_NAME s_scm_make_keyword_from_dash_symbol
|
||
{
|
||
SCM keyword;
|
||
|
||
SCM_ASSERT (scm_is_symbol (symbol)
|
||
&& ('-' == scm_i_symbol_chars(symbol)[0]),
|
||
symbol, SCM_ARG1, FUNC_NAME);
|
||
|
||
SCM_DEFER_INTS;
|
||
keyword = scm_hashq_ref (scm_keyword_obarray, symbol, SCM_BOOL_F);
|
||
if (scm_is_false (keyword))
|
||
{
|
||
SCM_NEWSMOB (keyword, scm_tc16_keyword, SCM_UNPACK (symbol));
|
||
scm_hashq_set_x (scm_keyword_obarray, symbol, keyword);
|
||
}
|
||
SCM_ALLOW_INTS;
|
||
return keyword;
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
SCM
|
||
scm_c_make_keyword (char *s)
|
||
{
|
||
char *buf;
|
||
size_t len;
|
||
SCM string, symbol;
|
||
|
||
len = strlen (s) + 1;
|
||
string = scm_i_make_string (len, &buf);
|
||
buf[0] = '-';
|
||
strcpy (buf + 1, s);
|
||
symbol = scm_string_to_symbol (string);
|
||
return scm_make_keyword_from_dash_symbol (symbol);
|
||
}
|
||
|
||
SCM_DEFINE (scm_keyword_p, "keyword?", 1, 0, 0,
|
||
(SCM obj),
|
||
"Return @code{#t} if the argument @var{obj} is a keyword, else\n"
|
||
"@code{#f}.")
|
||
#define FUNC_NAME s_scm_keyword_p
|
||
{
|
||
return scm_from_bool (SCM_KEYWORDP (obj));
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
|
||
SCM_DEFINE (scm_keyword_dash_symbol, "keyword-dash-symbol", 1, 0, 0,
|
||
(SCM keyword),
|
||
"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_KEYWORDSYM (keyword);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
|
||
|
||
void
|
||
scm_init_keywords ()
|
||
{
|
||
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_c_make_hash_table (0);
|
||
#include "libguile/keywords.x"
|
||
}
|
||
|
||
|
||
/*
|
||
Local Variables:
|
||
c-file-style: "gnu"
|
||
End:
|
||
*/
|