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 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 \f
  49
  50 #ifndef SCM_MAGIC_SNARFER
  51 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  52         static char RANAME[]=STR
  53 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  54         static char RANAME[]=STR
  55 #else
  56 #ifdef __cplusplus
  57 #if REQ == 0 && OPT == 0 && VAR == 0
  58 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  59 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*) (void)) CFN)
  60 #else
  61 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  62 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*) (SCM, ...)) CFN)
  63 #endif
  64 #if TYPE == scm_tc7_subr_0
  65 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  66 %%%     scm_make_subr(RANAME, TYPE, (SCM (*)(void)) CFN)
  67 #else
  68 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  69 %%%     scm_make_subr(RANAME, TYPE, (SCM (*)(...)) CFN)
  70 #endif
  71 #else /* __cplusplus */
  72 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  73 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, CFN)
  74 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  75 %%%     scm_make_subr(RANAME, TYPE, CFN)
  76 #endif /* __cplusplus */
  77 #endif
  78
  79 #ifndef SCM_MAGIC_SNARFER
  80 #define SCM_SYMBOL(c_name, scheme_name) \
  81         static SCM c_name = SCM_BOOL_F
  82 #else
  83 #define SCM_SYMBOL(C_NAME, SCHEME_NAME) \
  84 %%%     C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
  85 #endif
  86
  87 #ifndef SCM_MAGIC_SNARFER
  88 #define SCM_GLOBAL_SYMBOL(c_name, scheme_name) \
  89         SCM c_name = SCM_BOOL_F
  90 #else
  91 #define SCM_GLOBAL_SYMBOL(C_NAME, SCHEME_NAME) \
  92 %%%     C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
  93 #endif
  94
  95
  96 #ifndef SCM_MAGIC_SNARFER
  97 #define SCM_VCELL(c_name, scheme_name) \
  98         static SCM c_name = SCM_BOOL_F
  99 #else
 100 #define SCM_VCELL(C_NAME, SCHEME_NAME) \
 101 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
 102 #endif
 103
 104 #ifndef SCM_MAGIC_SNARFER
 105 #define SCM_GLOBAL_VCELL(c_name, scheme_name) \
 106         SCM c_name = SCM_BOOL_F
 107 #else
 108 #define SCM_GLOBAL_VCELL(C_NAME, SCHEME_NAME) \
 109 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
 110 #endif
 111
 112
 113 #ifndef SCM_MAGIC_SNARFER
 114 #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
 115         static SCM C_NAME = SCM_BOOL_F
 116 #else
 117 #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
 118 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, scm_long2num (VALUE))
 119 #endif
 120
 121 #endif /* LIBGUILE_SNARF_H */