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authorJim Blandy <jimb@red-bean.com>1996-07-25 22:56:11 +0000
committerJim Blandy <jimb@red-bean.com>1996-07-25 22:56:11 +0000
commit0f2d19dd46f83f41177f61d585732b32a866d613 (patch)
tree86bf67b8c05d36d8181d393e7d706785a74ee777 /libguile/hashtab.c
downloadguile-0f2d19dd46f83f41177f61d585732b32a866d613.tar.gz
maintainer changed: was lord, now jimb; first import
Diffstat (limited to 'libguile/hashtab.c')
-rw-r--r--libguile/hashtab.c651
1 files changed, 651 insertions, 0 deletions
diff --git a/libguile/hashtab.c b/libguile/hashtab.c
new file mode 100644
index 000000000..fd37e2574
--- /dev/null
+++ b/libguile/hashtab.c
@@ -0,0 +1,651 @@
+/* Copyright (C) 1995,1996 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 <stdio.h>
+#include "_scm.h"
+
+
+
+#ifdef __STDC__
+SCM
+scm_hash_fn_get_handle (SCM table, SCM obj, unsigned int (*hash_fn)(), SCM (*assoc_fn)(), void * closure)
+#else
+SCM
+scm_hash_fn_get_handle (table, obj, hash_fn, assoc_fn, closure)
+ SCM table;
+ SCM obj;
+ unsigned int (*hash_fn)();
+ SCM (*assoc_fn)();
+ void * closure;
+#endif
+{
+ int k;
+ SCM h;
+
+ SCM_ASSERT (SCM_NIMP (table) && SCM_VECTORP (table), table, SCM_ARG1, "hash_fn_get_handle");
+ if (SCM_LENGTH (table) == 0)
+ return SCM_EOL;
+ k = hash_fn (obj, SCM_LENGTH (table), closure);
+ SCM_ASSERT ((0 <= k) && (k < SCM_LENGTH (table)),
+ SCM_MAKINUM (k),
+ SCM_OUTOFRANGE,
+ "hash_fn_get_handle");
+ h = assoc_fn (obj, SCM_VELTS (table)[k], closure);
+ return h;
+}
+
+
+#ifdef __STDC__
+SCM
+scm_hash_fn_create_handle_x (SCM table, SCM obj, SCM init, unsigned int (*hash_fn)(), SCM (*assoc_fn)(), void * closure)
+#else
+SCM
+scm_hash_fn_create_handle_x (table, obj, init, hash_fn, assoc_fn, closure)
+ SCM table;
+ SCM obj;
+ SCM init;
+ unsigned int (*hash_fn)();
+ SCM (*assoc_fn)();
+ void * closure;
+#endif
+{
+ int k;
+ SCM it;
+
+ SCM_ASSERT (SCM_NIMP (table) && SCM_VECTORP (table), table, SCM_ARG1, "hash_fn_create_handle_x");
+ if (SCM_LENGTH (table) == 0)
+ return SCM_EOL;
+ k = hash_fn (obj, SCM_LENGTH (table), closure);
+ SCM_ASSERT ((0 <= k) && (k < SCM_LENGTH (table)),
+ SCM_MAKINUM (k),
+ SCM_OUTOFRANGE,
+ "hash_fn_create_handle_x");
+ SCM_REDEFER_INTS;
+ it = assoc_fn (obj, SCM_VELTS (table)[k], closure);
+ if (SCM_NIMP (it))
+ {
+ return it;
+ }
+ {
+ SCM new_bucket;
+ SCM old_bucket;
+ old_bucket = SCM_VELTS (table)[k];
+ new_bucket = scm_acons (obj, init, old_bucket);
+ SCM_VELTS(table)[k] = new_bucket;
+ SCM_REALLOW_INTS;
+ return SCM_CAR (new_bucket);
+ }
+}
+
+
+
+#ifdef __STDC__
+SCM
+scm_hash_fn_ref (SCM table, SCM obj, SCM dflt, unsigned int (*hash_fn)(), SCM (*assoc_fn)(), void * closure)
+#else
+SCM
+scm_hash_fn_ref (table, obj, dflt, hash_fn, assoc_fn, closure)
+ SCM table;
+ SCM obj;
+ SCM dflt;
+ unsigned int (*hash_fn)();
+ SCM (*assoc_fn)();
+ void * closure;
+#endif
+{
+ SCM it;
+
+ it = scm_hash_fn_get_handle (table, obj, hash_fn, assoc_fn, closure);
+ if (SCM_IMP (it))
+ return dflt;
+ else
+ return SCM_CDR (it);
+}
+
+
+
+#ifdef __STDC__
+SCM
+scm_hash_fn_set_x (SCM table, SCM obj, SCM val, unsigned int (*hash_fn)(), SCM (*assoc_fn)(), void * closure)
+#else
+SCM
+scm_hash_fn_set_x (table, obj, val, hash_fn, assoc_fn, closure)
+ SCM table;
+ SCM obj;
+ SCM val;
+ unsigned int (*hash_fn)();
+ SCM (*assoc_fn)();
+ void * closure;
+#endif
+{
+ SCM it;
+
+ it = scm_hash_fn_create_handle_x (table, obj, SCM_BOOL_F, hash_fn, assoc_fn, closure);
+ SCM_SETCDR (it, val);
+ return val;
+}
+
+
+
+
+#ifdef __STDC__
+SCM
+scm_hash_fn_remove_x (SCM table,
+ SCM obj,
+ unsigned int (*hash_fn)(),
+ SCM (*assoc_fn)(),
+ SCM (*delete_fn)(),
+ void * closure)
+#else
+SCM
+scm_hash_fn_remove_x (table, obj, hash_fn, assoc_fn, delete_fn, closure)
+ SCM table;
+ SCM obj;
+ unsigned int (*hash_fn)();
+ SCM (*assoc_fn)();
+ SCM (*delete_fn)();
+ void * closure;
+#endif
+{
+ int k;
+ SCM h;
+
+ SCM_ASSERT (SCM_NIMP (table) && SCM_VECTORP (table), table, SCM_ARG1, "hash_fn_remove_x");
+ if (SCM_LENGTH (table) == 0)
+ return SCM_EOL;
+ k = hash_fn (obj, SCM_LENGTH (table), closure);
+ SCM_ASSERT ((0 <= k) && (k < SCM_LENGTH (table)),
+ SCM_MAKINUM (k),
+ SCM_OUTOFRANGE,
+ "hash_fn_remove_x");
+ h = assoc_fn (obj, SCM_VELTS (table)[k], closure);
+ SCM_VELTS(table)[k] = delete_fn (h, SCM_VELTS(table)[k]);
+ return h;
+}
+
+
+
+
+SCM_PROC (s_hashq_get_handle, "hashq-get-handle", 2, 0, 0, scm_hashq_get_handle);
+#ifdef __STDC__
+SCM
+scm_hashq_get_handle (SCM table, SCM obj)
+#else
+SCM
+scm_hashq_get_handle (table, obj)
+ SCM table;
+ SCM obj;
+#endif
+{
+ return scm_hash_fn_get_handle (table, obj, scm_ihashq, scm_sloppy_assq, 0);
+}
+
+
+SCM_PROC (s_hashq_create_handle_x, "hashq-create-handle!", 3, 0, 0, scm_hashq_create_handle_x);
+#ifdef __STDC__
+SCM
+scm_hashq_create_handle_x (SCM table, SCM obj, SCM init)
+#else
+SCM
+scm_hashq_create_handle_x (table, obj, init)
+ SCM table;
+ SCM obj;
+ SCM init;
+#endif
+{
+ return scm_hash_fn_create_handle_x (table, obj, init, scm_ihashq, scm_sloppy_assq, 0);
+}
+
+
+SCM_PROC (s_hashq_ref, "hashq-ref", 2, 1, 0, scm_hashq_ref);
+#ifdef __STDC__
+SCM
+scm_hashq_ref (SCM table, SCM obj, SCM dflt)
+#else
+SCM
+scm_hashq_ref (table, obj, dflt)
+ SCM table;
+ SCM obj;
+ SCM dflt;
+#endif
+{
+ if (dflt == SCM_UNDEFINED)
+ dflt = SCM_BOOL_F;
+ return scm_hash_fn_ref (table, obj, dflt, scm_ihashq, scm_sloppy_assq, 0);
+}
+
+
+
+SCM_PROC (s_hashq_set_x, "hashq-set!", 3, 0, 0, scm_hashq_set_x);
+#ifdef __STDC__
+SCM
+scm_hashq_set_x (SCM table, SCM obj, SCM val)
+#else
+SCM
+scm_hashq_set_x (table, obj, val)
+ SCM table;
+ SCM obj;
+ SCM val;
+#endif
+{
+ return scm_hash_fn_set_x (table, obj, val, scm_ihashq, scm_sloppy_assq, 0);
+}
+
+
+
+SCM_PROC (s_hashq_remove_x, "hashq-remove!", 2, 0, 0, scm_hashq_remove_x);
+#ifdef __STDC__
+SCM
+scm_hashq_remove_x (SCM table, SCM obj)
+#else
+SCM
+scm_hashq_remove_x (table, obj)
+ SCM table;
+ SCM obj;
+#endif
+{
+ return scm_hash_fn_remove_x (table, obj, scm_ihashq, scm_sloppy_assq, scm_delq_x, 0);
+}
+
+
+
+
+SCM_PROC (s_hashv_get_handle, "hashv-get-handle", 2, 0, 0, scm_hashv_get_handle);
+#ifdef __STDC__
+SCM
+scm_hashv_get_handle (SCM table, SCM obj)
+#else
+SCM
+scm_hashv_get_handle (table, obj)
+ SCM table;
+ SCM obj;
+#endif
+{
+ return scm_hash_fn_get_handle (table, obj, scm_ihashv, scm_sloppy_assv, 0);
+}
+
+
+SCM_PROC (s_hashv_create_handle_x, "hashv-create-handle!", 3, 0, 0, scm_hashv_create_handle_x);
+#ifdef __STDC__
+SCM
+scm_hashv_create_handle_x (SCM table, SCM obj, SCM init)
+#else
+SCM
+scm_hashv_create_handle_x (table, obj, init)
+ SCM table;
+ SCM obj;
+ SCM init;
+#endif
+{
+ return scm_hash_fn_create_handle_x (table, obj, init, scm_ihashv, scm_sloppy_assv, 0);
+}
+
+
+SCM_PROC (s_hashv_ref, "hashv-ref", 2, 1, 0, scm_hashv_ref);
+#ifdef __STDC__
+SCM
+scm_hashv_ref (SCM table, SCM obj, SCM dflt)
+#else
+SCM
+scm_hashv_ref (table, obj, dflt)
+ SCM table;
+ SCM obj;
+ SCM dflt;
+#endif
+{
+ if (dflt == SCM_UNDEFINED)
+ dflt = SCM_BOOL_F;
+ return scm_hash_fn_ref (table, obj, dflt, scm_ihashv, scm_sloppy_assv, 0);
+}
+
+
+
+SCM_PROC (s_hashv_set_x, "hashv-set!", 3, 0, 0, scm_hashv_set_x);
+#ifdef __STDC__
+SCM
+scm_hashv_set_x (SCM table, SCM obj, SCM val)
+#else
+SCM
+scm_hashv_set_x (table, obj, val)
+ SCM table;
+ SCM obj;
+ SCM val;
+#endif
+{
+ return scm_hash_fn_set_x (table, obj, val, scm_ihashv, scm_sloppy_assv, 0);
+}
+
+
+SCM_PROC (s_hashv_remove_x, "hashv-remove!", 2, 0, 0, scm_hashv_remove_x);
+#ifdef __STDC__
+SCM
+scm_hashv_remove_x (SCM table, SCM obj)
+#else
+SCM
+scm_hashv_remove_x (table, obj)
+ SCM table;
+ SCM obj;
+#endif
+{
+ return scm_hash_fn_remove_x (table, obj, scm_ihashv, scm_sloppy_assv, scm_delv_x, 0);
+}
+
+
+
+SCM_PROC (s_hash_get_handle, "hash-get-handle", 2, 0, 0, scm_hash_get_handle);
+#ifdef __STDC__
+SCM
+scm_hash_get_handle (SCM table, SCM obj)
+#else
+SCM
+scm_hash_get_handle (table, obj)
+ SCM table;
+ SCM obj;
+#endif
+{
+ return scm_hash_fn_get_handle (table, obj, scm_ihash, scm_sloppy_assoc, 0);
+}
+
+
+SCM_PROC (s_hash_create_handle_x, "hash-create-handle!", 3, 0, 0, scm_hash_create_handle_x);
+#ifdef __STDC__
+SCM
+scm_hash_create_handle_x (SCM table, SCM obj, SCM init)
+#else
+SCM
+scm_hash_create_handle_x (table, obj, init)
+ SCM table;
+ SCM obj;
+ SCM init;
+#endif
+{
+ return scm_hash_fn_create_handle_x (table, obj, init, scm_ihash, scm_sloppy_assoc, 0);
+}
+
+
+SCM_PROC (s_hash_ref, "hash-ref", 2, 1, 0, scm_hash_ref);
+#ifdef __STDC__
+SCM
+scm_hash_ref (SCM table, SCM obj, SCM dflt)
+#else
+SCM
+scm_hash_ref (table, obj, dflt)
+ SCM table;
+ SCM obj;
+ SCM dflt;
+#endif
+{
+ if (dflt == SCM_UNDEFINED)
+ dflt = SCM_BOOL_F;
+ return scm_hash_fn_ref (table, obj, dflt, scm_ihash, scm_sloppy_assoc, 0);
+}
+
+
+
+SCM_PROC (s_hash_set_x, "hash-set!", 3, 0, 0, scm_hash_set_x);
+#ifdef __STDC__
+SCM
+scm_hash_set_x (SCM table, SCM obj, SCM val)
+#else
+SCM
+scm_hash_set_x (table, obj, val)
+ SCM table;
+ SCM obj;
+ SCM val;
+#endif
+{
+ return scm_hash_fn_set_x (table, obj, val, scm_ihash, scm_sloppy_assoc, 0);
+}
+
+
+
+SCM_PROC (s_hash_remove_x, "hash-remove!", 2, 0, 0, scm_hash_remove_x);
+#ifdef __STDC__
+SCM
+scm_hash_remove_x (SCM table, SCM obj)
+#else
+SCM
+scm_hash_remove_x (table, obj)
+ SCM table;
+ SCM obj;
+#endif
+{
+ return scm_hash_fn_remove_x (table, obj, scm_ihash, scm_sloppy_assoc, scm_delete_x, 0);
+}
+
+
+
+
+struct scm_ihashx_closure
+{
+ SCM hash;
+ SCM assoc;
+ SCM delete;
+};
+
+
+#ifdef __STDC__
+static unsigned int
+scm_ihashx (SCM obj, unsigned int n, struct scm_ihashx_closure * closure)
+#else
+static unsigned int
+scm_ihashx (obj, n, closure)
+ SCM obj;
+ unsigned int n;
+ struct scm_ihashx_closure * closure;
+#endif
+{
+ SCM answer;
+ SCM_ALLOW_INTS;
+ answer = scm_apply (closure->hash,
+ scm_listify (obj, scm_ulong2num ((unsigned long)n), SCM_UNDEFINED),
+ SCM_EOL);
+ SCM_DEFER_INTS;
+ return SCM_INUM (answer);
+}
+
+
+#ifdef __STDC__
+static SCM
+scm_sloppy_assx (SCM obj, SCM alist, struct scm_ihashx_closure * closure)
+#else
+static SCM
+scm_sloppy_assx (obj, alist, closure)
+ SCM obj;
+ SCM alist;
+ struct scm_ihashx_closure * closure;
+#endif
+{
+ SCM answer;
+ SCM_ALLOW_INTS;
+ answer = scm_apply (closure->assoc,
+ scm_listify (obj, alist, SCM_UNDEFINED),
+ SCM_EOL);
+ SCM_DEFER_INTS;
+ return answer;
+}
+
+
+
+#ifdef __STDC__
+static SCM
+scm_delx_x (SCM obj, SCM alist, struct scm_ihashx_closure * closure)
+#else
+static SCM
+scm_delx_x (obj, alist, closure)
+ SCM obj;
+ SCM alist;
+ struct scm_ihashx_closure * closure;
+#endif
+{
+ SCM answer;
+ SCM_ALLOW_INTS;
+ answer = scm_apply (closure->delete,
+ scm_listify (obj, alist, SCM_UNDEFINED),
+ SCM_EOL);
+ SCM_DEFER_INTS;
+ return answer;
+}
+
+
+
+SCM_PROC (s_hashx_get_handle, "hashx-get-handle", 4, 0, 0, scm_hashx_get_handle);
+#ifdef __STDC__
+SCM
+scm_hashx_get_handle (SCM hash, SCM assoc, SCM table, SCM obj)
+#else
+SCM
+scm_hashx_get_handle (hash, assoc, table, obj)
+ SCM hash;
+ SCM assoc;
+ SCM table;
+ SCM obj;
+#endif
+{
+ struct scm_ihashx_closure closure;
+ closure.hash = hash;
+ closure.assoc = assoc;
+ return scm_hash_fn_get_handle (table, obj, scm_ihashx, scm_sloppy_assx, (void *)&closure);
+}
+
+
+SCM_PROC (s_hashx_create_handle_x, "hashx-create-handle!", 5, 0, 0, scm_hashx_create_handle_x);
+#ifdef __STDC__
+SCM
+scm_hashx_create_handle_x (SCM hash, SCM assoc, SCM table, SCM obj, SCM init)
+#else
+SCM
+scm_hashx_create_handle_x (hash, assoc, table, obj, init)
+ SCM hash;
+ SCM assoc;
+ SCM table;
+ SCM obj;
+ SCM init;
+#endif
+{
+ struct scm_ihashx_closure closure;
+ closure.hash = hash;
+ closure.assoc = assoc;
+ return scm_hash_fn_create_handle_x (table, obj, init, scm_ihashx, scm_sloppy_assx, (void *)&closure);
+}
+
+
+
+SCM_PROC (s_hashx_ref, "hashx-ref", 4, 1, 0, scm_hashx_ref);
+#ifdef __STDC__
+SCM
+scm_hashx_ref (SCM hash, SCM assoc, SCM table, SCM obj, SCM dflt)
+#else
+SCM
+scm_hashx_ref (hash, assoc, table, obj, dflt)
+ SCM hash;
+ SCM assoc;
+ SCM table;
+ SCM obj;
+ SCM dflt;
+#endif
+{
+ struct scm_ihashx_closure closure;
+ if (dflt == SCM_UNDEFINED)
+ dflt = SCM_BOOL_F;
+ closure.hash = hash;
+ closure.assoc = assoc;
+ return scm_hash_fn_ref (table, obj, dflt, scm_ihashx, scm_sloppy_assx, (void *)&closure);
+}
+
+
+
+
+SCM_PROC (s_hashx_set_x, "hashx-set!", 5, 0, 0, scm_hashx_set_x);
+#ifdef __STDC__
+SCM
+scm_hashx_set_x (SCM hash, SCM assoc, SCM table, SCM obj, SCM val)
+#else
+SCM
+scm_hashx_set_x (hash, assoc, table, obj, val)
+ SCM hash;
+ SCM assoc;
+ SCM table;
+ SCM obj;
+ SCM val;
+#endif
+{
+ struct scm_ihashx_closure closure;
+ closure.hash = hash;
+ closure.assoc = assoc;
+ return scm_hash_fn_set_x (table, obj, val, scm_ihashx, scm_sloppy_assx, (void *)&closure);
+}
+
+
+#ifdef __STDC__
+SCM
+scm_hashx_remove_x (SCM hash, SCM assoc, SCM delete, SCM table, SCM obj)
+#else
+SCM
+scm_hashx_remove_x (hash, assoc, delete, table, obj)
+ SCM hash;
+ SCM assoc;
+ SCM delete;
+ SCM table;
+ SCM obj;
+#endif
+{
+ struct scm_ihashx_closure closure;
+ closure.hash = hash;
+ closure.assoc = assoc;
+ closure.delete = delete;
+ return scm_hash_fn_remove_x (table, obj, scm_ihashx, scm_sloppy_assx, scm_delx_x, 0);
+}
+
+
+
+#ifdef __STDC__
+void
+scm_init_hashtab (void)
+#else
+void
+scm_init_hashtab ()
+#endif
+{
+#include "hashtab.x"
+}
+