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-rw-r--r--libguile/environments.c48
1 files changed, 30 insertions, 18 deletions
diff --git a/libguile/environments.c b/libguile/environments.c
index fadfbc6de..074c49cd2 100644
--- a/libguile/environments.c
+++ b/libguile/environments.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1999,2000,2001, 2003 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
@@ -531,10 +531,12 @@ observer_print (SCM type, SCM port, scm_print_state *pstate SCM_UNUSED)
static SCM
obarray_enter (SCM obarray, SCM symbol, SCM data)
{
- size_t hash = SCM_SYMBOL_HASH (symbol) % SCM_VECTOR_LENGTH (obarray);
+ size_t hash = SCM_SYMBOL_HASH (symbol) % SCM_HASHTABLE_N_BUCKETS (obarray);
SCM entry = scm_cons (symbol, data);
- SCM slot = scm_cons (entry, SCM_VELTS (obarray)[hash]);
- SCM_VECTOR_SET (obarray, hash, slot);
+ SCM slot = scm_cons (entry, SCM_HASHTABLE_BUCKETS (obarray)[hash]);
+ SCM_SET_HASHTABLE_BUCKET (obarray, hash, slot);
+ if (SCM_HASHTABLE_N_ITEMS (obarray) > SCM_HASHTABLE_UPPER (obarray))
+ scm_i_rehash (obarray, scm_i_hash_symbol, 0, "obarray_enter");
return entry;
}
@@ -547,12 +549,14 @@ obarray_enter (SCM obarray, SCM symbol, SCM data)
static SCM
obarray_replace (SCM obarray, SCM symbol, SCM data)
{
- size_t hash = SCM_SYMBOL_HASH (symbol) % SCM_VECTOR_LENGTH (obarray);
+ size_t hash = SCM_SYMBOL_HASH (symbol) % SCM_HASHTABLE_N_BUCKETS (obarray);
SCM new_entry = scm_cons (symbol, data);
SCM lsym;
SCM slot;
- for (lsym = SCM_VELTS (obarray)[hash]; !SCM_NULLP (lsym); lsym = SCM_CDR (lsym))
+ for (lsym = SCM_HASHTABLE_BUCKETS (obarray)[hash];
+ !SCM_NULLP (lsym);
+ lsym = SCM_CDR (lsym))
{
SCM old_entry = SCM_CAR (lsym);
if (SCM_EQ_P (SCM_CAR (old_entry), symbol))
@@ -562,8 +566,10 @@ obarray_replace (SCM obarray, SCM symbol, SCM data)
}
}
- slot = scm_cons (new_entry, SCM_VELTS (obarray)[hash]);
- SCM_VECTOR_SET (obarray, hash, slot);
+ slot = scm_cons (new_entry, SCM_HASHTABLE_BUCKETS (obarray)[hash]);
+ SCM_SET_HASHTABLE_BUCKET (obarray, hash, slot);
+ if (SCM_HASHTABLE_N_ITEMS (obarray) > SCM_HASHTABLE_UPPER (obarray))
+ scm_i_rehash (obarray, scm_i_hash_symbol, 0, "obarray_replace");
return SCM_BOOL_F;
}
@@ -575,10 +581,12 @@ obarray_replace (SCM obarray, SCM symbol, SCM data)
static SCM
obarray_retrieve (SCM obarray, SCM sym)
{
- size_t hash = SCM_SYMBOL_HASH (sym) % SCM_VECTOR_LENGTH (obarray);
+ size_t hash = SCM_SYMBOL_HASH (sym) % SCM_HASHTABLE_N_BUCKETS (obarray);
SCM lsym;
- for (lsym = SCM_VELTS (obarray)[hash]; !SCM_NULLP (lsym); lsym = SCM_CDR (lsym))
+ for (lsym = SCM_HASHTABLE_BUCKETS (obarray)[hash];
+ !SCM_NULLP (lsym);
+ lsym = SCM_CDR (lsym))
{
SCM entry = SCM_CAR (lsym);
if (SCM_EQ_P (SCM_CAR (entry), sym))
@@ -596,14 +604,15 @@ obarray_retrieve (SCM obarray, SCM sym)
static SCM
obarray_remove (SCM obarray, SCM sym)
{
- size_t hash = SCM_SYMBOL_HASH (sym) % SCM_VECTOR_LENGTH (obarray);
- SCM table_entry = SCM_VELTS (obarray)[hash];
+ size_t hash = SCM_SYMBOL_HASH (sym) % SCM_HASHTABLE_N_BUCKETS (obarray);
+ SCM table_entry = SCM_HASHTABLE_BUCKETS (obarray)[hash];
SCM handle = scm_sloppy_assq (sym, table_entry);
if (SCM_CONSP (handle))
{
SCM new_table_entry = scm_delq1_x (handle, table_entry);
- SCM_VECTOR_SET (obarray, hash, new_table_entry);
+ SCM_SET_HASHTABLE_BUCKET (obarray, hash, new_table_entry);
+ SCM_HASHTABLE_DECREMENT (obarray);
}
return handle;
@@ -613,13 +622,14 @@ obarray_remove (SCM obarray, SCM sym)
static void
obarray_remove_all (SCM obarray)
{
- size_t size = SCM_VECTOR_LENGTH (obarray);
+ size_t size = SCM_HASHTABLE_N_BUCKETS (obarray);
size_t i;
for (i = 0; i < size; i++)
{
- SCM_VECTOR_SET (obarray, i, SCM_EOL);
+ SCM_SET_HASHTABLE_BUCKET (obarray, i, SCM_EOL);
}
+ SCM_SET_HASHTABLE_N_ITEMS (obarray, 0);
}
@@ -759,7 +769,7 @@ core_environments_init (struct core_environments_base *body,
{
body->funcs = funcs;
body->observers = SCM_EOL;
- body->weak_observers = scm_make_weak_value_hash_table (SCM_MAKINUM (1));
+ body->weak_observers = scm_make_weak_value_alist_vector (SCM_MAKINUM (1));
}
@@ -897,10 +907,12 @@ leaf_environment_fold (SCM env, scm_environment_folder proc, SCM data, SCM init)
SCM result = init;
SCM obarray = LEAF_ENVIRONMENT (env)->obarray;
- for (i = 0; i < SCM_VECTOR_LENGTH (obarray); i++)
+ for (i = 0; i < SCM_HASHTABLE_N_BUCKETS (obarray); i++)
{
SCM l;
- for (l = SCM_VELTS (obarray)[i]; !SCM_NULLP (l); l = SCM_CDR (l))
+ for (l = SCM_HASHTABLE_BUCKETS (obarray)[i];
+ !SCM_NULLP (l);
+ l = SCM_CDR (l))
{
SCM binding = SCM_CAR (l);
SCM symbol = SCM_CAR (binding);