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c71b07063e
* deprecated.h (SCM_FALSEP, SCM_NFALSEP, SCM_BOOLP, SCM_EQ_P, SCM_NEGATE_BOOL, SCM_BOOL, SCM_BOOT_NOT): Promoted from being deprecated to being discouraged by moving to discouraged.h. * numbers.h, numbers.c, discouraged.h, discouraged.c (scm_short2num, scm_ushort2num, scm_int2num, scm_uint2num, scm_long2num, scm_ulong2num, scm_size2num, scm_ptrdiff2num, scm_num2short, scm_num2ushort, scm_num2int, scm_num2uint, scm_num2long, scm_num2ulong, scm_num2size, scm_num2ptrdiff, scm_long_long2num, scm_ulong_long2num, scm_num2long_long, scm_num2ulong_long): Discouraged by moving to discouraged.h and discouraged.c and reimplementing in terms of scm_from_* and scm_to_*. * numbers.h, numbers.c: Removed GUILE_DEBUG code. (scm_i_short2big, scm_i_ushort2big, scm_i_int2big, scm_i_uint2big, scm_i_size2big, scm_i_ptrdiff2big): Removed. (scm_i_long2big, scm_i_ulong2big): New, explicit definitions. * conv-integer.i.c, conv-uinteger.i.c: Use them instead of explicit code.
105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/* This file contains definitions for discouraged features. When you
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discourage something, move it here when that is feasible.
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A discouraged feature is one that shouldn't be used in new code
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since we have a better alternative now. However, there is nothing
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wrong with using the old feature, so it is OK to continue to use
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it.
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Eventually, discouraged features can be deprecated since removing
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them will make Guile simpler.
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*/
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#ifndef SCM_DISCOURAGED_H
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#define SCM_DISCOURAGED_H
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/* Copyright (C) 2004 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "libguile/__scm.h"
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#if SCM_ENABLE_DISCOURAGED == 1
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/* Discouraged because they do not follow the naming convention. That
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is, they end in "P" but return a C boolean. Also, SCM_BOOLP
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evaluates its argument twice.
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*/
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#define SCM_FALSEP scm_is_false
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#define SCM_NFALSEP scm_is_true
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#define SCM_BOOLP scm_is_bool
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#define SCM_EQ_P scm_is_eq
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/* Convert from a C boolean to a SCM boolean value */
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#define SCM_BOOL scm_from_bool
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/* Convert from a C boolean to a SCM boolean value and negate it */
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#define SCM_NEGATE_BOOL(f) scm_from_bool(!(f))
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/* SCM_BOOL_NOT returns the other boolean.
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* The order of ^s here is important for Borland C++ (!?!?!)
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*/
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#define SCM_BOOL_NOT(x) (SCM_PACK (SCM_UNPACK (x) \
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^ (SCM_UNPACK (SCM_BOOL_T) \
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^ SCM_UNPACK (SCM_BOOL_F))))
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/* scm_to_int, scm_from_int are the official functions to do the job,
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but there is nothing wrong with using scm_num2int, etc.
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These could be trivially defined via macros, but we leave them as
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functions since existing code may take their addresses.
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*/
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SCM_API SCM scm_short2num (short n);
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SCM_API SCM scm_ushort2num (unsigned short n);
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SCM_API SCM scm_int2num (int n);
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SCM_API SCM scm_uint2num (unsigned int n);
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SCM_API SCM scm_long2num (long n);
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SCM_API SCM scm_ulong2num (unsigned long n);
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SCM_API SCM scm_size2num (size_t n);
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SCM_API SCM scm_ptrdiff2num (scm_t_ptrdiff n);
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SCM_API short scm_num2short (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API unsigned short scm_num2ushort (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API int scm_num2int (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API unsigned int scm_num2uint (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API long scm_num2long (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API unsigned long scm_num2ulong (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API scm_t_ptrdiff scm_num2ptrdiff (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API size_t scm_num2size (SCM num, unsigned long int pos,
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const char *s_caller);
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#if SCM_SIZEOF_LONG_LONG != 0
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SCM_API SCM scm_long_long2num (long long sl);
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SCM_API SCM scm_ulong_long2num (unsigned long long sl);
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SCM_API long long scm_num2long_long (SCM num, unsigned long int pos,
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const char *s_caller);
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SCM_API unsigned long long scm_num2ulong_long (SCM num, unsigned long int pos,
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const char *s_caller);
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#endif
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void scm_i_init_discouraged (void);
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#endif /* SCM_ENABLE_DISCOURAGED == 1 */
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#endif /* SCM_DISCOURAGED_H */
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