1 /* This file contains definitions for discouraged features. When you
2 discourage something, move it here when that is feasible.
5 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #if (SCM_ENABLE_DISCOURAGED == 1)
26 #define DEFFROM(t,f1,f2) SCM f1(t x) { return f2 (x); }
27 #define DEFTO(t,f1,f2) t f1(SCM x, unsigned long pos, const char *s_caller) \
30 DEFFROM (short, scm_short2num
, scm_from_short
);
31 DEFFROM (unsigned short, scm_ushort2num
, scm_from_ushort
);
32 DEFFROM (int, scm_int2num
, scm_from_int
);
33 DEFFROM (unsigned int, scm_uint2num
, scm_from_uint
);
34 DEFFROM (long, scm_long2num
, scm_from_long
);
35 DEFFROM (unsigned long, scm_ulong2num
, scm_from_ulong
);
36 DEFFROM (size_t, scm_size2num
, scm_from_size_t
);
37 DEFFROM (ptrdiff_t, scm_ptrdiff2num
, scm_from_ssize_t
);
39 DEFTO (short, scm_num2short
, scm_to_short
);
40 DEFTO (unsigned short, scm_num2ushort
, scm_to_ushort
);
41 DEFTO (int, scm_num2int
, scm_to_int
);
42 DEFTO (unsigned int, scm_num2uint
, scm_to_uint
);
43 DEFTO (long, scm_num2long
, scm_to_long
);
44 DEFTO (unsigned long, scm_num2ulong
, scm_to_ulong
);
45 DEFTO (size_t, scm_num2size
, scm_to_size_t
);
46 DEFTO (ptrdiff_t, scm_num2ptrdiff
, scm_to_ssize_t
);
48 #if SCM_SIZEOF_LONG_LONG != 0
49 DEFFROM (long long, scm_long_long2num
, scm_from_long_long
);
50 DEFFROM (unsigned long long, scm_ulong_long2num
, scm_from_ulong_long
);
51 DEFTO (long long, scm_num2long_long
, scm_to_long_long
);
52 DEFTO (unsigned long long, scm_num2ulong_long
, scm_to_ulong_long
);
56 scm_make_real (double x
)
58 return scm_from_double (x
);
62 scm_num2dbl (SCM a
, const char *why
)
64 return scm_to_double (a
);
68 scm_float2num (float n
)
70 return scm_from_double ((double) n
);
74 scm_double2num (double n
)
76 return scm_from_double (n
);
80 scm_make_complex (double x
, double y
)
82 return scm_c_make_rectangular (x
, y
);
86 scm_mem2symbol (const char *mem
, size_t len
)
88 return scm_from_locale_symboln (mem
, len
);
92 scm_mem2uninterned_symbol (const char *mem
, size_t len
)
94 return scm_make_symbol (scm_from_locale_stringn (mem
, len
));
98 scm_str2symbol (const char *str
)
100 return scm_from_locale_symbol (str
);
104 /* This function must only be applied to memory obtained via malloc,
105 since the GC is going to apply `free' to it when the string is
108 Also, s[len] must be `\0', since we promise that strings are
109 null-terminated. Perhaps we could handle non-null-terminated
110 strings by claiming they're shared substrings of a string we just
113 scm_take_str (char *s
, size_t len
)
115 SCM answer
= scm_from_locale_stringn (s
, len
);
120 /* `s' must be a malloc'd string. See scm_take_str. */
122 scm_take0str (char *s
)
124 return scm_take_locale_string (s
);
128 scm_mem2string (const char *src
, size_t len
)
130 return scm_from_locale_stringn (src
, len
);
134 scm_str2string (const char *src
)
136 return scm_from_locale_string (src
);
140 scm_makfrom0str (const char *src
)
142 if (!src
) return SCM_BOOL_F
;
143 return scm_from_locale_string (src
);
147 scm_makfrom0str_opt (const char *src
)
149 return scm_makfrom0str (src
);
154 scm_allocate_string (size_t len
)
156 return scm_i_make_string (len
, NULL
);
159 SCM_DEFINE (scm_make_keyword_from_dash_symbol
, "make-keyword-from-dash-symbol", 1, 0, 0,
161 "Make a keyword object from a @var{symbol} that starts with a dash.")
162 #define FUNC_NAME s_scm_make_keyword_from_dash_symbol
164 SCM dash_string
, non_dash_symbol
;
166 SCM_ASSERT (scm_is_symbol (symbol
)
167 && ('-' == scm_i_symbol_chars(symbol
)[0]),
168 symbol
, SCM_ARG1
, FUNC_NAME
);
170 dash_string
= scm_symbol_to_string (symbol
);
172 scm_string_to_symbol (scm_c_substring (dash_string
,
174 scm_c_string_length (dash_string
)));
176 return scm_symbol_to_keyword (non_dash_symbol
);
180 SCM_DEFINE (scm_keyword_dash_symbol
, "keyword-dash-symbol", 1, 0, 0,
182 "Return the dash symbol for @var{keyword}.\n"
183 "This is the inverse of @code{make-keyword-from-dash-symbol}.")
184 #define FUNC_NAME s_scm_keyword_dash_symbol
186 SCM symbol
= scm_keyword_to_symbol (keyword
);
187 SCM parts
= scm_list_2 (scm_from_locale_string ("-"),
188 scm_symbol_to_string (symbol
));
189 return scm_string_to_symbol (scm_string_append (parts
));
194 scm_c_make_keyword (const char *s
)
196 return scm_from_locale_keyword (s
);
201 scm_i_init_discouraged (void)
203 #include "libguile/discouraged.x"