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Diffstat (limited to 'libguile/weaks.h')
-rw-r--r-- | libguile/weaks.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/libguile/weaks.h b/libguile/weaks.h deleted file mode 100644 index fc16f8bf8..000000000 --- a/libguile/weaks.h +++ /dev/null @@ -1,101 +0,0 @@ -/* classes: h_files */ - -#ifndef SCM_WEAKS_H -#define SCM_WEAKS_H - -/* Copyright (C) 1995,1996,2000,2001, 2003, 2006, 2008, 2009, 2011 Free Software Foundation, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 3 of - * the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - - - -#include "libguile/__scm.h" - - - -#define SCM_WVECTF_WEAK_KEY 1 -#define SCM_WVECTF_WEAK_VALUE 2 - -#define SCM_WVECT_WEAK_KEY_P(x) (SCM_I_WVECT_EXTRA(x) & SCM_WVECTF_WEAK_KEY) -#define SCM_WVECT_WEAK_VALUE_P(x) (SCM_I_WVECT_EXTRA(x) & SCM_WVECTF_WEAK_VALUE) - -#define SCM_I_WVECT_TYPE(x) (SCM_I_WVECT_EXTRA(x) & 7) -#define SCM_I_SET_WVECT_TYPE(x,t) (SCM_I_SET_WVECT_EXTRA \ - ((x), (SCM_I_WVECT_EXTRA (x) & ~7) | (t))) -#define SCM_IS_WHVEC(X) (SCM_I_WVECT_TYPE (X) == 1) -#define SCM_IS_WHVEC_V(X) (SCM_I_WVECT_TYPE (X) == 2) -#define SCM_IS_WHVEC_B(X) (SCM_I_WVECT_TYPE (X) == 3) -#define SCM_IS_WHVEC_ANY(X) (SCM_I_WVECT_TYPE (X) != 0) - - -/* Weak pairs. */ - -SCM_INTERNAL SCM scm_weak_car_pair (SCM car, SCM cdr); -SCM_INTERNAL SCM scm_weak_cdr_pair (SCM car, SCM cdr); -SCM_INTERNAL SCM scm_doubly_weak_pair (SCM car, SCM cdr); - -/* Testing the weak component(s) of a cell for reachability. */ -#define SCM_WEAK_PAIR_WORD_DELETED_P(_cell, _word) \ - (SCM_UNPACK (SCM_CELL_OBJECT ((_cell), (_word))) == 0) -#define SCM_WEAK_PAIR_CAR_DELETED_P(_cell) \ - (SCM_WEAK_PAIR_WORD_DELETED_P ((_cell), 0)) -#define SCM_WEAK_PAIR_CDR_DELETED_P(_cell) \ - (SCM_WEAK_PAIR_WORD_DELETED_P ((_cell), 1)) - -#define SCM_WEAK_PAIR_DELETED_P(_cell) \ - ((SCM_WEAK_PAIR_CAR_DELETED_P (_cell)) \ - || (SCM_WEAK_PAIR_CDR_DELETED_P (_cell))) - -/* Accessing the components of a weak cell. These return `SCM_UNDEFINED' if - the car/cdr has been collected. */ -#define SCM_WEAK_PAIR_WORD(_cell, _word) \ - (SCM_WEAK_PAIR_WORD_DELETED_P ((_cell), (_word)) \ - ? SCM_UNDEFINED \ - : SCM_CELL_OBJECT ((_cell), (_word))) -#define SCM_WEAK_PAIR_CAR(_cell) (SCM_WEAK_PAIR_WORD ((_cell), 0)) -#define SCM_WEAK_PAIR_CDR(_cell) (SCM_WEAK_PAIR_WORD ((_cell), 1)) - - - -/* Weak vectors and weak hash tables. */ - -SCM_API SCM scm_make_weak_vector (SCM k, SCM fill); -SCM_API SCM scm_weak_vector (SCM l); -SCM_API SCM scm_weak_vector_p (SCM x); -SCM_API SCM scm_make_weak_key_alist_vector (SCM k); -SCM_API SCM scm_make_weak_value_alist_vector (SCM k); -SCM_API SCM scm_make_doubly_weak_alist_vector (SCM k); -SCM_API SCM scm_weak_key_alist_vector_p (SCM x); -SCM_API SCM scm_weak_value_alist_vector_p (SCM x); -SCM_API SCM scm_doubly_weak_alist_vector_p (SCM x); -SCM_INTERNAL SCM scm_init_weaks_builtins (void); -SCM_INTERNAL void scm_weaks_prehistory (void); -SCM_INTERNAL void scm_init_weaks (void); - -SCM_INTERNAL void scm_i_init_weak_vectors_for_gc (void); -SCM_INTERNAL void scm_i_mark_weak_vector (SCM w); -SCM_INTERNAL int scm_i_mark_weak_vectors_non_weaks (void); -SCM_INTERNAL void scm_i_remove_weaks_from_weak_vectors (void); - - -#endif /* SCM_WEAKS_H */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ |