1 /* Internal definitions of CONCORD Object System
3 Copyright (C) 2013 MORIOKA Tomohiko
4 This file is part of the CONCORD Library.
6 The CONCORD Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The CONCORD Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the CONCORD Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
35 #ifndef SIZEOF_COS_INT
36 # define SIZEOF_COS_INT SIZEOF_VOID_P
40 # define SIZEOF_INT (sizeof (int))
44 # define SIZEOF_LONG (sizeof (long))
47 #ifndef SIZEOF_LONG_LONG
48 # define SIZEOF_LONG_LONG (sizeof (long long))
52 # if SIZEOF_COS_INT == SIZEOF_LONG
54 # elif SIZEOF_COS_INT == SIZEOF_INT
56 # elif SIZEOF_COS_INT == SIZEOF_LONG_LONG
57 # define COS_INT long long
59 # error Unable to determine suitable type for COS_INT
64 # define COS_UINT unsigned COS_INT
67 #define BITS_PER_COS_INT (SIZEOF_COS_INT * BITS_PER_CHAR)
77 #define COS_POINTER_TYPE_P(type) ((type) == COS_Type_Entity)
79 #define COS_TYPE_BITS 2
80 #define COS_INT_TYPE_BITS 1
82 #define COS_INT_VAL_BITS (BITS_PER_COS_INT - COS_INT_TYPE_BITS)
83 #define COS_VAL_BITS (BITS_PER_COS_INT - COS_TYPE_BITS)
84 #define COS_INT_MAX ((COS_INT) ((1UL << (COS_INT_VAL_BITS - 1)) -1UL))
85 #define COS_INT_MIN (-(COS_INT_MAX) - 1)
88 typedef struct COS_Object_Header
92 COS_INT reference_count;
95 #define COS_OBJECT_PREFIX_OBJECT 0
97 enum COS_Object_Type {
99 COS_Object_Type_C_String,
101 COS_Object_Type_char,
102 COS_Object_Type_String,
103 COS_Object_Type_Symbol,
104 COS_Object_Type_Cons,
105 COS_Object_Type_Container,
106 COS_Object_Type_Sexp,
107 COS_Object_Type_Binary,
109 COS_Object_Type_Genre,
110 COS_Object_Type_Feature,
111 COS_Object_Type_Feature_INDEX,
112 COS_Object_Type_DB_Object
115 #define COS_FAT_OBJECT_TYPE_MIN COS_Object_Type_String
116 #define COS_OBJECT_TYPE_MAX COS_Object_Type_DB_Object
118 extern int (*COS_Object_retain_function_table[]) (COS_Object);
119 extern int (*COS_Object_release_function_table[]) (COS_Object);
121 struct COS_Object_ent
123 COS_Object_Header header;
126 COS_Object cos_allocate_object_0 (enum COS_Object_Type type,
129 #define COS_ALLOCATE_OBJECT(type) \
130 ((COS_##type)cos_allocate_object_0(COS_Object_Type_##type, \
131 sizeof(COS_##type##_ent)))
133 #define COS_OBJECT_INT_P(obj) \
134 ((COS_UINT)(obj) & 1)
136 #define COS_OBJECT_CHAR_P(obj) \
137 ((COS_UINT)(obj) & 2)
139 #define COS_OBJECT_C_STRING_P(obj) \
141 && (((unsigned char *)obj)[0] != COS_OBJECT_PREFIX_OBJECT))
143 #define COS_OBJECT_P(obj) \
145 && (!COS_OBJECT_INT_P (obj)) \
146 && (!COS_OBJECT_CHAR_P (obj)) \
147 && (((unsigned char *)obj)[0] == COS_OBJECT_PREFIX_OBJECT))
149 #define COS_OBJECT_TYPE_P(obj, TYPE) \
150 (COS_OBJECT_P (obj) \
151 && (((COS_Object)obj)->header.type == COS_Object_Type_##TYPE))
153 #define COS_OBJECT_STRING_P(obj) \
154 COS_OBJECT_TYPE_P (obj, String)
156 #define COS_OBJECT_SYMBOL_P(obj) \
157 COS_OBJECT_TYPE_P (obj, Symbol)
159 #define COS_OBJECT_CONS_P(obj) \
160 COS_OBJECT_TYPE_P (obj, Cons)
162 #define COS_OBJECT_DS_P(obj) \
163 COS_OBJECT_TYPE_P (obj, DS)
165 #define COS_OBJECT_GENRE_P(obj) \
166 COS_OBJECT_TYPE_P (obj, Genre)
168 #define COS_OBJECT_FEATURE_P(obj) \
169 COS_OBJECT_TYPE_P (obj, Feature)
171 #define COS_OBJECT_FEATURE_INDEX_P(obj) \
172 COS_OBJECT_TYPE_P (obj, Feature_INDEX)
175 struct COS_String_ent
177 COS_Object_Header header;
183 int cos_retain_string (COS_Object obj);
184 int cos_release_string (COS_Object obj);
187 struct COS_Symbol_ent
189 COS_Object_Header header;
195 COS_Symbol cos_make_symbol (COS_String string);
197 int cos_retain_symbol (COS_Object obj);
198 int cos_release_symbol (COS_Object obj);
201 typedef struct COS_Symbol_Table_ent COS_Symbol_Table_ent;
202 typedef COS_Symbol_Table_ent* COS_Symbol_Table;
204 struct COS_Symbol_Table_ent
210 COS_Symbol_Table cos_make_symbol_table (void);
212 int cos_symbol_table_grow (COS_Symbol_Table table);
214 void cos_destroy_symbol_table (COS_Symbol_Table table);
216 int cos_symbol_table_set (COS_Symbol_Table table, COS_Symbol symbol);
219 cos_symbol_table_intern (COS_Symbol_Table table, COS_object name);
224 COS_Object_Header header;
230 #define COS_CAR(obj) \
231 (((COS_Cons)(obj))->car)
232 #define COS_CDR(obj) \
233 (((COS_Cons)(obj))->cdr)
235 int cos_retain_cons (COS_Object obj);
236 int cos_release_cons (COS_Object obj);
239 struct COS_Container_ent
241 COS_Object_Header header;
250 int cos_retain_container (COS_Object obj);
251 int cos_release_container (COS_Object obj);
256 COS_Object_Header header;
262 int cos_retain_sexp (COS_Object obj);
263 int cos_release_sexp (COS_Object obj);
266 struct COS_Binary_ent
268 COS_Object_Header header;
274 int cos_retain_binary (COS_Object obj);
275 int cos_release_binary (COS_Object obj);
278 int cos_retain_ds (COS_Object obj);
279 int cos_release_ds (COS_Object obj);
282 int cos_retain_genre (COS_Object obj);
283 int cos_release_genre (COS_Object obj);
285 int concord_close_genre (COS_Genre genre);
288 int cos_retain_feature (COS_Object obj);
289 int cos_release_feature (COS_Object obj);
291 int concord_close_feature (COS_Feature feature);
294 int cos_retain_index (COS_Object obj);
295 int cos_release_index (COS_Object obj);
297 int concord_close_index (COS_Feature_INDEX table);
300 struct COS_DB_Object_ent
302 COS_Object_Header header;
308 int cos_retain_db_object (COS_Object obj);
309 int cos_release_db_object (COS_Object obj);
318 #endif /* !_COS_I_H */