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, 2009 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 License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * 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
  21  * 02110-1301 USA
  22  */
  23
  24 \f
  25
  26 #include "libguile/__scm.h"
  27
  28 \f
  29
  30 #define SCM_ASSYNT(_cond, _msg, _subr) \
  31   if (!(_cond)) scm_misc_error (_subr, _msg, SCM_EOL);
  32
  33 #define SCM_MACRO_TYPE_BITS  (3)
  34 #define SCM_MACRO_TYPE_MASK  ((1<<SCM_MACRO_TYPE_BITS)-1)
  35 #define SCM_F_MACRO_EXTENDED (1<<SCM_MACRO_TYPE_BITS)
  36
  37 #define SCM_MACROP(x) SCM_SMOB_PREDICATE (scm_tc16_macro, (x))
  38 #define SCM_MACRO_TYPE(m) (SCM_SMOB_FLAGS (m) & SCM_MACRO_TYPE_MASK)
  39 #define SCM_MACRO_IS_EXTENDED(m) (SCM_SMOB_FLAGS (m) & SCM_F_MACRO_EXTENDED)
  40 #define SCM_BUILTIN_MACRO_P(x) (SCM_MACROP (x) && SCM_MACRO_TYPE (x) == 3)
  41 #define SCM_SYNCASE_MACRO_P(x) (SCM_MACROP (x) && SCM_MACRO_TYPE (x) == 4)
  42 #define SCM_MACRO_CODE(m) SCM_SMOB_OBJECT (m)
  43
  44 SCM_API scm_t_bits scm_tc16_macro;
  45
  46 SCM_INTERNAL SCM scm_i_makbimacro (SCM code);
  47 SCM_API SCM scm_makmmacro (SCM code);
  48 SCM_API SCM scm_makacro (SCM code);
  49 SCM_API SCM scm_make_syncase_macro (SCM type, SCM binding);
  50 SCM_API SCM scm_make_extended_syncase_macro (SCM builtin, SCM type,
  51                                              SCM binding);
  52 SCM_API SCM scm_macro_p (SCM obj);
  53 SCM_API SCM scm_macro_type (SCM m);
  54 SCM_API SCM scm_macro_name (SCM m);
  55 SCM_API SCM scm_macro_transformer (SCM m);
  56 SCM_API SCM scm_syncase_macro_type (SCM m);
  57 SCM_API SCM scm_syncase_macro_binding (SCM m);
  58 SCM_API SCM scm_make_synt (const char *name,
  59                            SCM (*macroizer) (SCM),
  60                            SCM (*fcn) ());
  61 SCM_INTERNAL void scm_init_macros (void);
  62
  63 #if SCM_ENABLE_DEPRECATED == 1
  64 SCM_DEPRECATED SCM scm_makmacro (SCM code);
  65 #endif
  66
  67 #endif  /* SCM_MACROS_H */
  68
  69 /*
  70   Local Variables:
  71   c-file-style: "gnu"
  72   End:
  73 */