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 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, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  * As a special exception, the Free Software Foundation gives permission
  25  * for additional uses of the text contained in its release of GUILE.
  26  *
  27  * The exception is that, if you link the GUILE library with other files
  28  * to produce an executable, this does not by itself cause the
  29  * resulting executable to be covered by the GNU General Public License.
  30  * Your use of that executable is in no way restricted on account of
  31  * linking the GUILE library code into it.
  32  *
  33  * This exception does not however invalidate any other reasons why
  34  * the executable file might be covered by the GNU General Public License.
  35  *
  36  * This exception applies only to the code released by the
  37  * Free Software Foundation under the name GUILE.  If you copy
  38  * code from other Free Software Foundation releases into a copy of
  39  * GUILE, as the General Public License permits, the exception does
  40  * not apply to the code that you add in this way.  To avoid misleading
  41  * anyone as to the status of such modified files, you must delete
  42  * this exception notice from them.
  43  *
  44  * If you write modifications of your own for GUILE, it is your choice
  45  * whether to permit this exception to apply to your modifications.
  46  * If you do not wish that, delete this exception notice.  */
  47 \f
  48
  49 #ifndef SCM_MAGIC_SNARFER
  50 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  51         static char RANAME[]=STR
  52 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  53         static char RANAME[]=STR
  54 #else
  55 #ifdef __cplusplus
  56 #if REQ == 0 && OPT == 0 && VAR == 0
  57 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  58 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*) (void)) CFN)
  59 #else
  60 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  61 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*) (SCM, ...)) CFN)
  62 #endif
  63 #if TYPE == scm_tc7_subr_0
  64 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  65 %%%     scm_make_subr(RANAME, TYPE, (SCM (*)(void)) CFN)
  66 #else
  67 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  68 %%%     scm_make_subr(RANAME, TYPE, (SCM (*)(...)) CFN)
  69 #endif
  70 #else /* __cplusplus */
  71 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
  72 %%%     scm_make_gsubr (RANAME, REQ, OPT, VAR, CFN)
  73 #define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
  74 %%%     scm_make_subr(RANAME, TYPE, CFN)
  75 #endif /* __cplusplus */
  76 #endif
  77
  78 #ifndef SCM_MAGIC_SNARFER
  79 #define SCM_SYMBOL(c_name, scheme_name) \
  80         static SCM c_name = SCM_BOOL_F
  81 #else
  82 #define SCM_SYMBOL(C_NAME, SCHEME_NAME) \
  83 %%%     C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
  84 #endif
  85
  86
  87 #ifndef SCM_MAGIC_SNARFER
  88 #define SCM_GLOBAL(c_name, scheme_name) \
  89         static SCM c_name = SCM_BOOL_F
  90 #else
  91 #define SCM_GLOBAL(C_NAME, SCHEME_NAME) \
  92 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
  93 #endif
  94
  95
  96 #ifndef SCM_MAGIC_SNARFER
  97 #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
  98         static SCM C_NAME = SCM_BOOL_F
  99 #else
 100 #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
 101 %%%     C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, scm_long2num (VALUE))
 102 #endif
 103
 104 #endif /* LIBGUILE_SNARF_H */