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Add weak-vector-length, weak-vector-ref, weak-vector-set!

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* libguile/weaks.c (scm_is_weak_vector, scm_c_weak_vector_length):
  (scm_c_weak_vector_ref, scm_c_weak_vector_set_x): New interfaces for
  dealing with weak vectors from C.
  (scm_weak_vector_length, scm_weak_vector_ref, scm_weak_vector_set_x):
  New Scheme interfaces to weak vectors; to be used instead of
  vector-length, vector-ref, etc.

* module/ice-9/weak-vector.scm: Export the new interfaces.

* doc/ref/api-memory.texi (Weak vectors): Document them.
This commit is contained in:
Andy Wingo 2014-02-07 12:25:05 +01:00
parent 40a723a922
commit 1e3fd6a0c8
4 changed files with 122 additions and 5 deletions
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12
libguile/weaks.h
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@ -3,7 +3,7 @@
#ifndef SCM_WEAKS_H
#define SCM_WEAKS_H
/* Copyright (C) 1995,1996,2000,2001, 2003, 2006, 2008, 2009, 2011 Free Software Foundation, Inc.
/* Copyright (C) 1995,1996,2000,2001, 2003, 2006, 2008, 2009, 2011, 2014 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
@ -76,6 +76,16 @@ SCM_INTERNAL SCM scm_doubly_weak_pair (SCM car, SCM cdr);
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_weak_vector_length (SCM v);
SCM_API SCM scm_weak_vector_ref (SCM v, SCM k);
SCM_API SCM scm_weak_vector_set_x (SCM v, SCM k, SCM x);
SCM_API SCM scm_c_make_weak_vector (size_t k, SCM fill);
SCM_API int scm_is_weak_vector (SCM obj);
SCM_API size_t scm_c_weak_vector_length (SCM vec);
SCM_API SCM scm_c_weak_vector_ref (SCM v, size_t k);
SCM_API void scm_c_weak_vector_set_x (SCM v, size_t k, 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);