libguile/macros.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_MACROS_H
   4 #define SCM_MACROS_H
   5
   6 /* Copyright (C) 1998,2000,2001 Free Software Foundation, Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2, or (at your option)
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this software; see the file COPYING.  If not, write to
  20  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  21  * Boston, MA 02111-1307 USA
  22  *
  23  * As a special exception, the Free Software Foundation gives permission
  24  * for additional uses of the text contained in its release of GUILE.
  25  *
  26  * The exception is that, if you link the GUILE library with other files
  27  * to produce an executable, this does not by itself cause the
  28  * resulting executable to be covered by the GNU General Public License.
  29  * Your use of that executable is in no way restricted on account of
  30  * linking the GUILE library code into it.
  31  *
  32  * This exception does not however invalidate any other reasons why
  33  * the executable file might be covered by the GNU General Public License.
  34  *
  35  * This exception applies only to the code released by the
  36  * Free Software Foundation under the name GUILE.  If you copy
  37  * code from other Free Software Foundation releases into a copy of
  38  * GUILE, as the General Public License permits, the exception does
  39  * not apply to the code that you add in this way.  To avoid misleading
  40  * anyone as to the status of such modified files, you must delete
  41  * this exception notice from them.
  42  *
  43  * If you write modifications of your own for GUILE, it is your choice
  44  * whether to permit this exception to apply to your modifications.
  45  * If you do not wish that, delete this exception notice.  */
  46
  47 \f
  48
  49 #include "libguile/__scm.h"
  50
  51 \f
  52
  53 #define SCM_ASSYNT(_cond, _msg, _subr) \
  54   if (!(_cond)) scm_misc_error (_subr, _msg, SCM_EOL);
  55
  56 #define SCM_MACROP(x) SCM_TYP16_PREDICATE (scm_tc16_macro, (x))
  57 #define SCM_MACRO_TYPE(m) (SCM_CELL_WORD_0 (m) >> 16)
  58 #define SCM_MACRO_CODE(m) SCM_CELL_OBJECT_1 (m)
  59
  60 SCM_API scm_t_bits scm_tc16_macro;
  61
  62 SCM_API SCM scm_makacro (SCM code);
  63 SCM_API SCM scm_makmacro (SCM code);
  64 SCM_API SCM scm_makmmacro (SCM code);
  65 SCM_API SCM scm_macro_p (SCM obj);
  66 SCM_API SCM scm_macro_type (SCM m);
  67 SCM_API SCM scm_macro_name (SCM m);
  68 SCM_API SCM scm_macro_transformer (SCM m);
  69 SCM_API SCM scm_make_synt (const char *name,
  70                            SCM (*macroizer) (SCM),
  71                            SCM (*fcn) ());
  72 SCM_API void scm_init_macros (void);
  73
  74 #endif  /* SCM_MACROS_H */
  75
  76 /*
  77   Local Variables:
  78   c-file-style: "gnu"
  79   End:
  80 */