libguile/snarf.h

   1 /* classes: h_files */
   2
   3 /* Macros for snarfing initialization actions from C source. */
   4
   5 #ifndef LIBGUILE_SNARF_H
   6 #define LIBGUILE_SNARF_H
   7
   8 /*      Copyright (C) 1995,1996,1997,1998, 1999 Free Software Foundation, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this software; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  23  * Boston, MA 02111-1307 USA
  24  *
  25  * As a special exception, the Free Software Foundation gives permission
  26  * for additional uses of the text contained in its release of GUILE.
  27  *
  28  * The exception is that, if you link the GUILE library with other files
  29  * to produce an executable, this does not by itself cause the
  30  * resulting executable to be covered by the GNU General Public License.
  31  * Your use of that executable is in no way restricted on account of
  32  * linking the GUILE library code into it.
  33  *
  34  * This exception does not however invalidate any other reasons why
  35  * the executable file might be covered by the GNU General Public License.
  36  *
  37  * This exception applies only to the code released by the
  38  * Free Software Foundation under the name GUILE.  If you copy
  39  * code from other Free Software Foundation releases into a copy of
  40  * GUILE, as the General Public License permits, the exception does
  41  * not apply to the code that you add in this way.  To avoid misleading
  42  * anyone as to the status of such modified files, you must delete
  43  * this exception notice from them.
  44  *
  45  * If you write modifications of your own for GUILE, it is your choice
  46  * whether to permit this exception to apply to your modifications.
  47  * If you do not wish that, delete this exception notice.  */
  48
  49 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
  50    gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
  51
  52 \f
  53
  54 #ifndef SCM_MAGIC_SNARFER
  55
  56 #define SCM_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
  57 static const char s_ ## FNAME [] = PRIMNAME; \
  58 SCM FNAME ARGLIST
  59 #define GUILE_PROC1(FNAME, PRIMNAME, TYPE, ARGLIST, DOCSTRING) \
  60 static const char s_ ## FNAME [] = PRIMNAME; \
  61 SCM FNAME ARGLIST
  62
  63 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  64         static const char RANAME[]=STR
  65
  66 #define SCM_REGISTER_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  67         static const char RANAME[]=STR
  68
  69 #define SCM_GPROC(RANAME, STR, REQ, OPT, VAR, CFN, GF)  \
  70         static const char RANAME[]=STR; \
  71         static SCM GF = 0
  72
  73 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  74         static const char RANAME[]=STR
  75
  76 #define SCM_GPROC1(RANAME, STR, TYPE, CFN, GF) \
  77         static const char RANAME[]=STR; \
  78         static SCM GF = 0
  79 #else
  80 #if defined(__cplusplus) || defined(GUILE_CPLUSPLUS_SNARF)
  81 /* for C++ snarfing */
  82
  83 #undef SCM_ASSERT
  84 #define SCM_ASSERT(_cond, _arg, _pos, _subr) *&*&*&*SCM_ARG_BETTER_BE_IN_POSITION(_arg,_pos,__LINE__)
  85
  86 #define SCM_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
  87 %%%     scm_make_gsubr (s_ ## FNAME, REQ, OPT, VAR, (SCM (*)(...)) FNAME); \
  88 $$$P PRIMNAME #ARGLIST | REQ | OPT | VAR | __FILE__:__LINE__ | @@@ DOCSTRING @!!!
  89
  90 #define GUILE_PROC1(FNAME, PRIMNAME, TYPE, ARGLIST, DOCSTRING) \
  91 %%%     scm_make_subr (s_ ## FNAME, TYPE, FNAME); \
  92 $$$1 PRIMNAME #ARGLIST | 2 | 0 | 0 | __FILE__:__LINE__ | @@@ DOCSTRING @!!!
  93
  94 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  95 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*)(...)) CFN)
  96
  97 #define SCM_REGISTER_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  98 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*)(...)) CFN); \
  99 $$$R STR | REQ | OPT | VAR | __FILE__:__LINE__ | @@@ CFN @!!!
 100
 101 #define SCM_GPROC(RANAME, STR, REQ, OPT, VAR, CFN, GF)  \
 102 %%%     scm_make_gsubr_with_generic (RANAME, REQ, OPT, VAR, (SCM (*)(...))CFN, &GF)
 103
 104 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
 105 %%%     scm_make_subr(RANAME, TYPE, (SCM (*)(...))CFN)
 106
 107 #define SCM_GPROC1(RANAME, STR, TYPE, CFN, GF)  \
 108 %%%     scm_make_subr_with_generic(RANAME, TYPE, (SCM (*)(...))CFN, &GF)
 109
 110 #else
 111 /* for ANSI C snarfing, not C++ */
 112
 113 #undef SCM_ASSERT
 114 #define SCM_ASSERT(_cond, _arg, _pos, _subr) *&*&*&*SCM_ARG_BETTER_BE_IN_POSITION(_arg,_pos,__LINE__)
 115
 116 #define SCM_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
 117 %%%     scm_make_gsubr (s_ ## FNAME, REQ, OPT, VAR, (SCM (*)()) FNAME); \
 118 $$$P PRIMNAME #ARGLIST | REQ | OPT | VAR | __FILE__:__LINE__ | @@@ DOCSTRING @!!!
 119
 120 #define GUILE_PROC1(FNAME, PRIMNAME, TYPE, ARGLIST, DOCSTRING) \
 121 %%%     scm_make_subr (s_ ## FNAME, TYPE, FNAME); \
 122 $$$1 PRIMNAME #ARGLIST | 2 | 0 | 0 | __FILE__:__LINE__ | @@@ DOCSTRING @!!!
 123
 124 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
 125 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*)()) CFN)
 126
 127 #define SCM_REGISTER_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
 128 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*)()) CFN); \
 129 $$$R STR | REQ | OPT | VAR | __FILE__:__LINE__ | @@@ CFN @!!!
 130
 131 #define SCM_GPROC(RANAME, STR, REQ, OPT, VAR, CFN, GF)  \
 132 %%%     scm_make_gsubr_with_generic (RANAME, REQ, OPT, VAR, (SCM (*)()) CFN, &GF)
 133
 134 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
 135 %%%     scm_make_subr(RANAME, TYPE, CFN)
 136
 137 #define SCM_GPROC1(RANAME, STR, TYPE, CFN, GF)  \
 138 %%%     scm_make_subr_with_generic(RANAME, TYPE, CFN, &GF)
 139
 140 #endif
 141 #endif
 142
 143 #ifndef SCM_MAGIC_SNARFER
 144 #define SCM_SYNTAX(RANAME, STR, TYPE, CFN)  \
 145         static const char RANAME[]=STR
 146 #else
 147 #define SCM_SYNTAX(RANAME, STR, TYPE, CFN)  \
 148 %%%     scm_make_synt (RANAME, TYPE, CFN)
 149 #endif
 150
 151 #ifndef SCM_MAGIC_SNARFER
 152 #define SCM_SYMBOL(c_name, scheme_name) \
 153         static SCM c_name = SCM_BOOL_F
 154 #else
 155 #define SCM_SYMBOL(C_NAME, SCHEME_NAME) \
 156 %%%     C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
 157 #endif
 158
 159 #ifndef SCM_MAGIC_SNARFER
 160 #define SCM_GLOBAL_SYMBOL(c_name, scheme_name) \
 161         SCM c_name = SCM_BOOL_F
 162 #else
 163 #define SCM_GLOBAL_SYMBOL(C_NAME, SCHEME_NAME) \
 164 %%%     C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
 165 #endif
 166
 167 #ifndef SCM_MAGIC_SNARFER
 168 #define SCM_KEYWORD(c_name, scheme_name) \
 169         static SCM c_name = SCM_BOOL_F
 170 #else
 171 #define SCM_KEYWORD(C_NAME, SCHEME_NAME) \
 172 %%%     C_NAME = scm_permanent_object (scm_c_make_keyword (SCHEME_NAME))
 173 #endif
 174
 175 #ifndef SCM_MAGIC_SNARFER
 176 #define SCM_GLOBAL_KEYWORD(c_name, scheme_name) \
 177         SCM c_name = SCM_BOOL_F
 178 #else
 179 #define SCM_GLOBAL_KEYWORD(C_NAME, SCHEME_NAME) \
 180 %%%     C_NAME = scm_permanent_object (scm_c_make_keyword (SCHEME_NAME))
 181 #endif
 182
 183 #ifndef SCM_MAGIC_SNARFER
 184 #define SCM_VCELL(c_name, scheme_name) \
 185         static SCM c_name = SCM_BOOL_F
 186 #else
 187 #define SCM_VCELL(C_NAME, SCHEME_NAME) \
 188 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
 189 #endif
 190
 191 #ifndef SCM_MAGIC_SNARFER
 192 #define SCM_GLOBAL_VCELL(c_name, scheme_name) \
 193         SCM c_name = SCM_BOOL_F
 194 #else
 195 #define SCM_GLOBAL_VCELL(C_NAME, SCHEME_NAME) \
 196 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
 197 #endif
 198
 199 #ifndef SCM_MAGIC_SNARFER
 200 #define SCM_VCELL_INIT(c_name, scheme_name, init_val) \
 201         static SCM c_name = SCM_BOOL_F
 202 #else
 203 #define SCM_VCELL_INIT(C_NAME, SCHEME_NAME, init_val) \
 204 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, init_val)
 205 #endif
 206
 207 #ifndef SCM_MAGIC_SNARFER
 208 #define SCM_GLOBAL_VCELL_INIT(c_name, scheme_name, init_val) \
 209         SCM c_name = SCM_BOOL_F
 210 #else
 211 #define SCM_GLOBAL_VCELL_INIT(C_NAME, SCHEME_NAME, init_val) \
 212 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, init_val)
 213 #endif
 214
 215 #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) SCM_VCELL_INIT(C_NAME, SCHEME_NAME, scm_long2num(VALUE))
 216
 217 #endif /* LIBGUILE_SNARF_H */