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_Container,
105 COS_Object_Type_Sexp,
106 COS_Object_Type_Binary,
108 COS_Object_Type_Genre,
109 COS_Object_Type_Feature,
110 COS_Object_Type_Feature_INDEX,
111 COS_Object_Type_DB_Object
114 #define COS_FAT_OBJECT_TYPE_MIN COS_Object_Type_String
115 #define COS_OBJECT_TYPE_MAX COS_Object_Type_DB_Object
117 extern int (*COS_Object_release_function_table[]) (COS_Object);
119 struct COS_Object_ent
121 COS_Object_Header header;
124 COS_Object cos_allocate_object_0 (enum COS_Object_Type type,
127 #define COS_ALLOCATE_OBJECT(type) \
128 ((COS_##type)cos_allocate_object_0(COS_Object_Type_##type, \
129 sizeof(COS_##type##_ent)))
131 #define COS_OBJECT_INT_P(obj) \
132 ((COS_UINT)(obj) & 1)
134 #define COS_OBJECT_CHAR_P(obj) \
135 ((COS_UINT)(obj) & 2)
137 #define COS_OBJECT_C_STRING_P(obj) \
139 && (((unsigned char *)obj)[0] != COS_OBJECT_PREFIX_OBJECT))
141 #define COS_OBJECT_P(obj) \
143 && (!COS_OBJECT_INT_P (obj)) \
144 && (!COS_OBJECT_CHAR_P (obj)) \
145 && (((unsigned char *)obj)[0] == COS_OBJECT_PREFIX_OBJECT))
147 #define COS_OBJECT_TYPE_P(obj, TYPE) \
148 (COS_OBJECT_P (obj) \
149 && (((COS_Object)obj)->header.type == COS_Object_Type_##TYPE))
151 #define COS_OBJECT_STRING_P(obj) \
152 COS_OBJECT_TYPE_P (obj, String)
154 #define COS_OBJECT_SYMBOL_P(obj) \
155 COS_OBJECT_TYPE_P (obj, Symbol)
157 #define COS_OBJECT_DS_P(obj) \
158 COS_OBJECT_TYPE_P (obj, DS)
160 #define COS_OBJECT_GENRE_P(obj) \
161 COS_OBJECT_TYPE_P (obj, Genre)
163 #define COS_OBJECT_FEATURE_P(obj) \
164 COS_OBJECT_TYPE_P (obj, Feature)
166 #define COS_OBJECT_FEATURE_INDEX_P(obj) \
167 COS_OBJECT_TYPE_P (obj, Feature_INDEX)
170 struct COS_String_ent
172 COS_Object_Header header;
178 int cos_release_string (COS_Object obj);
181 struct COS_Symbol_ent
183 COS_Object_Header header;
189 COS_Symbol cos_make_symbol (COS_String string);
191 int cos_release_symbol (COS_Object obj);
194 typedef struct COS_Symbol_Table_ent COS_Symbol_Table_ent;
195 typedef COS_Symbol_Table_ent* COS_Symbol_Table;
197 struct COS_Symbol_Table_ent
203 COS_Symbol_Table cos_make_symbol_table (void);
205 int cos_symbol_table_grow (COS_Symbol_Table table);
207 void cos_destroy_symbol_table (COS_Symbol_Table table);
209 int cos_symbol_table_set (COS_Symbol_Table table, COS_Symbol symbol);
212 cos_symbol_table_intern (COS_Symbol_Table table, COS_object name);
215 struct COS_Container_ent
217 COS_Object_Header header;
226 int cos_release_container (COS_Object obj);
231 COS_Object_Header header;
237 int cos_release_sexp (COS_Object obj);
240 struct COS_Binary_ent
242 COS_Object_Header header;
248 int cos_release_binary (COS_Object obj);
251 int cos_release_ds (COS_Object obj);
254 int cos_release_genre (COS_Object obj);
256 int concord_close_genre (COS_Genre genre);
259 int cos_release_feature (COS_Object obj);
261 int concord_close_feature (COS_Feature feature);
264 int cos_release_index (COS_Object obj);
266 int concord_close_index (COS_Feature_INDEX table);
269 struct COS_DB_Object_ent
271 COS_Object_Header header;
277 int cos_release_db_object (COS_Object obj);
286 #endif /* !_COS_I_H */