diff options
Diffstat (limited to 'libguile/struct.h')
-rw-r--r-- | libguile/struct.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/libguile/struct.h b/libguile/struct.h deleted file mode 100644 index e076a8aee..000000000 --- a/libguile/struct.h +++ /dev/null @@ -1,86 +0,0 @@ -/* classes: h_files */ - -#ifndef STRUCTH -#define STRUCTH -/* Copyright (C) 1995 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - * As a special exception, the Free Software Foundation gives permission - * for additional uses of the text contained in its release of GUILE. - * - * The exception is that, if you link the GUILE library with other files - * to produce an executable, this does not by itself cause the - * resulting executable to be covered by the GNU General Public License. - * Your use of that executable is in no way restricted on account of - * linking the GUILE library code into it. - * - * This exception does not however invalidate any other reasons why - * the executable file might be covered by the GNU General Public License. - * - * This exception applies only to the code released by the - * Free Software Foundation under the name GUILE. If you copy - * code from other Free Software Foundation releases into a copy of - * GUILE, as the General Public License permits, the exception does - * not apply to the code that you add in this way. To avoid misleading - * anyone as to the status of such modified files, you must delete - * this exception notice from them. - * - * If you write modifications of your own for GUILE, it is your choice - * whether to permit this exception to apply to your modifications. - * If you do not wish that, delete this exception notice. - */ - - -#include "libguile/__scm.h" - - - -/* Number of words with negative index */ -#define scm_struct_n_extra_words 3 - -/* These are how the initial words of a vtable are allocated. */ -#define scm_struct_i_ptr -3 /* start of block (see alloc_struct) */ -#define scm_struct_i_n_words -2 /* How many words allocated to this struct? */ -#define scm_struct_i_tag -1 /* A unique tag for this type.. */ -#define scm_struct_i_layout 0 /* A symbol describing the physical arrangement of this type. */ -#define scm_struct_i_vcell 1 /* An opaque word, managed by the garbage collector. */ -#define scm_struct_i_vtable 2 /* A pointer to the handle for this vtable. */ -#define scm_struct_i_vtable_offset 3 /* Where do user fields start? */ - - -#define SCM_STRUCTP(X) (SCM_TYP3(X) == scm_tc3_cons_gloc) -#define SCM_STRUCT_DATA(X) ((SCM*)(SCM_CDR(X))) -#define SCM_STRUCT_VTABLE_DATA(X) ((SCM *)(SCM_CAR(X) - 1)) -#define SCM_STRUCT_LAYOUT(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_struct_i_layout]) -#define SCM_STRUCT_VTABLE(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_struct_i_vtable]) -/* Efficiency is important in the following macro, since it's used in GC */ -#define SCM_LAYOUT_TAILP(X) (((X) & 32) == 0) /* R, W or O */ - - - - -extern SCM scm_make_struct_layout SCM_P ((SCM fields)); -extern SCM scm_struct_p SCM_P ((SCM x)); -extern SCM scm_struct_vtable_p SCM_P ((SCM x)); -extern SCM scm_make_struct SCM_P ((SCM vtable, SCM tail_array_size, SCM init)); -extern SCM scm_make_vtable_vtable SCM_P ((SCM extra_fields, SCM tail_array_size, SCM init)); -extern SCM scm_struct_ref SCM_P ((SCM handle, SCM pos)); -extern SCM scm_struct_set_x SCM_P ((SCM handle, SCM pos, SCM val)); -extern SCM scm_struct_vtable SCM_P ((SCM handle)); -extern SCM scm_struct_vtable_tag SCM_P ((SCM handle)); -extern void scm_init_struct SCM_P ((void)); - -#endif /* STRUCTH */ |