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reimplement hashtab.c's weak hash tables in terms of weak-table.c

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* libguile/hashtab.c:
* libguile/hashtab.h: Reimplement the weak hash table implementation in
  terms of weak tables.  All is well except for the horrific hack for
  hashx tables.

* libguile/weak-table.h:
* libguile/weak-table.c (scm_make_weak_key_hash_table)
  (scm_make_weak_value_hash_table, scm_make_doubly_weak_hash_table)
  (scm_weak_key_hash_table_p, scm_weak_value_hash_table_p)
  (scm_doubly_weak_hash_table_p): Move these definitions here.
This commit is contained in:
Andy Wingo 2011-10-24 07:57:17 +02:00
commit 54a9b981a4
4 changed files with 235 additions and 597 deletions
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12
libguile/weak-table.h
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@ -69,6 +69,18 @@ SCM_INTERNAL SCM scm_weak_table_fold (SCM proc, SCM init, SCM table);
SCM_INTERNAL SCM scm_weak_table_for_each (SCM proc, SCM table);
SCM_INTERNAL SCM scm_weak_table_map_to_list (SCM proc, SCM table);
/* Legacy interface. */
SCM_API SCM scm_make_weak_key_hash_table (SCM k);
SCM_API SCM scm_make_weak_value_hash_table (SCM k);
SCM_API SCM scm_make_doubly_weak_hash_table (SCM k);
SCM_API SCM scm_weak_key_hash_table_p (SCM h);
SCM_API SCM scm_weak_value_hash_table_p (SCM h);
SCM_API SCM scm_doubly_weak_hash_table_p (SCM h);
SCM_INTERNAL void scm_i_weak_table_print (SCM exp, SCM port, scm_print_state *pstate);
SCM_INTERNAL void scm_weak_table_prehistory (void);
SCM_INTERNAL void scm_init_weak_table (void);