libguile/macros.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_MACROS_H
   4 #define SCM_MACROS_H
   5
   6 /* Copyright (C) 1998,2000,2001,2002,2003, 2006, 2008 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library 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 GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26
  27 \f
  28
  29 #define SCM_ASSYNT(_cond, _msg, _subr) \
  30   if (!(_cond)) scm_misc_error (_subr, _msg, SCM_EOL);
  31
  32 #define SCM_MACRO_TYPE_BITS  (3)
  33 #define SCM_MACRO_TYPE_MASK  ((1<<SCM_MACRO_TYPE_BITS)-1)
  34 #define SCM_F_MACRO_EXTENDED (1<<SCM_MACRO_TYPE_BITS)
  35
  36 #define SCM_MACROP(x) SCM_SMOB_PREDICATE (scm_tc16_macro, (x))
  37 #define SCM_MACRO_TYPE(m) (SCM_SMOB_FLAGS (m) & SCM_MACRO_TYPE_MASK)
  38 #define SCM_MACRO_IS_EXTENDED(m) (SCM_SMOB_FLAGS (m) & SCM_F_MACRO_EXTENDED)
  39 #define SCM_BUILTIN_MACRO_P(x) (SCM_MACROP (x) && SCM_MACRO_TYPE (x) == 3)
  40 #define SCM_SYNCASE_MACRO_P(x) (SCM_MACROP (x) && SCM_MACRO_TYPE (x) == 4)
  41 #define SCM_MACRO_CODE(m) SCM_SMOB_OBJECT (m)
  42
  43 SCM_API scm_t_bits scm_tc16_macro;
  44
  45 SCM_INTERNAL SCM scm_i_makbimacro (SCM code);
  46 SCM_API SCM scm_makmmacro (SCM code);
  47 SCM_API SCM scm_makacro (SCM code);
  48 SCM_API SCM scm_make_syncase_macro (SCM type, SCM binding);
  49 SCM_API SCM scm_make_extended_syncase_macro (SCM builtin, SCM type,
  50                                              SCM binding);
  51 SCM_API SCM scm_macro_p (SCM obj);
  52 SCM_API SCM scm_macro_type (SCM m);
  53 SCM_API SCM scm_macro_name (SCM m);
  54 SCM_API SCM scm_macro_transformer (SCM m);
  55 SCM_API SCM scm_syncase_macro_type (SCM m);
  56 SCM_API SCM scm_syncase_macro_binding (SCM m);
  57 SCM_API SCM scm_make_synt (const char *name,
  58                            SCM (*macroizer) (SCM),
  59                            SCM (*fcn) ());
  60 SCM_INTERNAL void scm_init_macros (void);
  61
  62 #if SCM_ENABLE_DEPRECATED == 1
  63 SCM_API SCM scm_makmacro (SCM code);
  64 #endif
  65
  66 #endif  /* SCM_MACROS_H */
  67
  68 /*
  69   Local Variables:
  70   c-file-style: "gnu"
  71   End:
  72 */