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+ − 1 /* Lisp interface to hash tables -- include file.
+ − 2 Copyright (C) 1995, 1996 Ben Wing.
+ − 3
+ − 4 This file is part of XEmacs.
+ − 5
+ − 6 XEmacs is free software; you can redistribute it and/or modify it
+ − 7 under the terms of the GNU General Public License as published by the
+ − 8 Free Software Foundation; either version 2, or (at your option) any
+ − 9 later version.
+ − 10
+ − 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ − 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ − 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ − 14 for more details.
+ − 15
+ − 16 You should have received a copy of the GNU General Public License
+ − 17 along with XEmacs; see the file COPYING. If not, write to
+ − 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 19 Boston, MA 02111-1307, USA. */
+ − 20
+ − 21 /* Synched up with: Not in FSF. */
+ − 22
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+ − 23 #ifndef INCLUDED_elhash_h_
+ − 24 #define INCLUDED_elhash_h_
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+ − 25
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+ − 26 typedef struct Lisp_Hash_Table Lisp_Hash_Table;
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+ − 27
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+ − 28 DECLARE_LRECORD (hash_table, Lisp_Hash_Table);
+ − 29
+ − 30 #define XHASH_TABLE(x) XRECORD (x, hash_table, Lisp_Hash_Table)
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+ − 31 #define XSETHASH_TABLE(x, p) XSETRECORD (x, p, hash_table)
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+ − 32 #define wrap_hash_table(p) wrap_record (p, hash_table)
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+ − 33 #define HASH_TABLEP(x) RECORDP (x, hash_table)
+ − 34 #define CHECK_HASH_TABLE(x) CHECK_RECORD (x, hash_table)
+ − 35 #define CONCHECK_HASH_TABLE(x) CONCHECK_RECORD (x, hash_table)
+ − 36
+ − 37 enum hash_table_weakness
+ − 38 {
+ − 39 HASH_TABLE_NON_WEAK,
+ − 40 HASH_TABLE_KEY_WEAK,
+ − 41 HASH_TABLE_VALUE_WEAK,
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+ − 42 HASH_TABLE_KEY_VALUE_WEAK,
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+ − 43 HASH_TABLE_KEY_CAR_WEAK,
+ − 44 HASH_TABLE_VALUE_CAR_WEAK,
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+ − 45 HASH_TABLE_KEY_CAR_VALUE_WEAK,
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+ − 46 HASH_TABLE_WEAK
+ − 47 };
+ − 48
+ − 49 enum hash_table_test
+ − 50 {
+ − 51 HASH_TABLE_EQ,
+ − 52 HASH_TABLE_EQL,
+ − 53 HASH_TABLE_EQUAL
+ − 54 };
+ − 55
+ − 56 extern const struct lrecord_description hash_table_description[];
+ − 57
+ − 58 EXFUN (Fcopy_hash_table, 1);
+ − 59 EXFUN (Fhash_table_count, 1);
+ − 60 EXFUN (Fgethash, 3);
+ − 61 EXFUN (Fputhash, 3);
+ − 62 EXFUN (Fremhash, 2);
+ − 63 EXFUN (Fclrhash, 1);
+ − 64
+ − 65 typedef int (*hash_table_test_function_t) (Lisp_Object obj1, Lisp_Object obj2);
+ − 66 typedef unsigned long (*hash_table_hash_function_t) (Lisp_Object obj);
+ − 67 typedef int (*maphash_function_t) (Lisp_Object key, Lisp_Object value,
+ − 68 void* extra_arg);
+ − 69
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+ − 70 Lisp_Object make_standard_lisp_hash_table (enum hash_table_test test,
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+ − 71 Element_Count size,
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+ − 72 double rehash_size,
+ − 73 double rehash_threshold,
+ − 74 enum hash_table_weakness weakness);
+ − 75
+ − 76 Lisp_Object make_general_lisp_hash_table (hash_table_hash_function_t hash_function,
+ − 77 hash_table_test_function_t test_function,
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+ − 78 Element_Count size,
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+ − 79 double rehash_size,
+ − 80 double rehash_threshold,
+ − 81 enum hash_table_weakness weakness);
+ − 82
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+ − 83 Lisp_Object make_lisp_hash_table (Element_Count size,
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+ − 84 enum hash_table_weakness weakness,
+ − 85 enum hash_table_test test);
+ − 86
+ − 87 void elisp_maphash (maphash_function_t function,
+ − 88 Lisp_Object hash_table, void *extra_arg);
+ − 89
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+ − 90 void elisp_maphash_unsafe (maphash_function_t function,
+ − 91 Lisp_Object hash_table, void *extra_arg);
+ − 92
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+ − 93 void elisp_map_remhash (maphash_function_t predicate,
+ − 94 Lisp_Object hash_table, void *extra_arg);
+ − 95
+ − 96 int finish_marking_weak_hash_tables (void);
+ − 97 void prune_weak_hash_tables (void);
+ − 98
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+ − 99 void pdump_reorganize_hash_table (Lisp_Object);
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+ − 100
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+ − 101 #endif /* INCLUDED_elhash_h_ */
