libguile/macros.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_MACROS_H
   4 #define SCM_MACROS_H
   5 /* Copyright (C) 1998,2000,2001 Free Software Foundation, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program 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
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this software; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20  * Boston, MA 02111-1307 USA
  21  *
  22  * As a special exception, the Free Software Foundation gives permission
  23  * for additional uses of the text contained in its release of GUILE.
  24  *
  25  * The exception is that, if you link the GUILE library with other files
  26  * to produce an executable, this does not by itself cause the
  27  * resulting executable to be covered by the GNU General Public License.
  28  * Your use of that executable is in no way restricted on account of
  29  * linking the GUILE library code into it.
  30  *
  31  * This exception does not however invalidate any other reasons why
  32  * the executable file might be covered by the GNU General Public License.
  33  *
  34  * This exception applies only to the code released by the
  35  * Free Software Foundation under the name GUILE.  If you copy
  36  * code from other Free Software Foundation releases into a copy of
  37  * GUILE, as the General Public License permits, the exception does
  38  * not apply to the code that you add in this way.  To avoid misleading
  39  * anyone as to the status of such modified files, you must delete
  40  * this exception notice from them.
  41  *
  42  * If you write modifications of your own for GUILE, it is your choice
  43  * whether to permit this exception to apply to your modifications.
  44  * If you do not wish that, delete this exception notice.  */
  45 \f
  46
  47 #include "libguile/__scm.h"
  48
  49 \f
  50
  51 #define SCM_ASSYNT(_cond, _msg, _subr) \
  52   if (!(_cond)) scm_misc_error (_subr, _msg, SCM_EOL);
  53
  54 #define SCM_MACROP(x) SCM_TYP16_PREDICATE (scm_tc16_macro, (x))
  55 #define SCM_MACRO_TYPE(m) (SCM_CELL_WORD_0 (m) >> 16)
  56 #define SCM_MACRO_CODE(m) SCM_CELL_OBJECT_1 (m)
  57
  58 extern scm_t_bits scm_tc16_macro;
  59
  60 extern SCM scm_makacro (SCM code);
  61 extern SCM scm_makmacro (SCM code);
  62 extern SCM scm_makmmacro (SCM code);
  63 extern SCM scm_macro_p (SCM obj);
  64 extern SCM scm_macro_type (SCM m);
  65 extern SCM scm_macro_name (SCM m);
  66 extern SCM scm_macro_transformer (SCM m);
  67 extern SCM scm_make_synt (const char *name,
  68                           SCM (*macroizer) (SCM),
  69                           SCM (*fcn) ());
  70 extern void scm_init_macros (void);
  71
  72 #endif /* SCM_MACROS_H */
  73
  74 /*
  75   Local Variables:
  76   c-file-style: "gnu"
  77   End:
  78 */