8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZLIST_HPP
25 #define SHARE_GC_Z_ZLIST_HPP
26
27 #include "memory/allocation.hpp"
28
29 template <typename T> class ZList;
30
31 // Element in a doubly linked list
32 template <typename T>
33 class ZListNode {
34 friend class ZList<T>;
35
36 private:
37 ZListNode* _next;
38 ZListNode* _prev;
39
40 ZListNode(ZListNode* next, ZListNode* prev);
41
42 void set_unused();
43
44 public:
45 ZListNode();
46 ~ZListNode();
47
48 bool is_unused() const;
49 };
50
51 // Doubly linked list
52 template <typename T>
53 class ZList {
54 private:
55 ZListNode<T> _head;
56 size_t _size;
57
58 // Passing by value and assignment is not allowed
59 ZList(const ZList<T>& list);
60 ZList<T>& operator=(const ZList<T>& list);
61
62 void verify() const;
63
64 void insert(ZListNode<T>* before, ZListNode<T>* node);
65
66 ZListNode<T>* cast_to_inner(T* elem) const;
67 T* cast_to_outer(ZListNode<T>* node) const;
68
69 public:
70 ZList();
71
72 size_t size() const;
73 bool is_empty() const;
74
75 T* first() const;
76 T* last() const;
77 T* next(T* elem) const;
78 T* prev(T* elem) const;
79
80 void insert_first(T* elem);
|
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZLIST_HPP
25 #define SHARE_GC_Z_ZLIST_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/macros.hpp"
29
30 template <typename T> class ZList;
31
32 // Element in a doubly linked list
33 template <typename T>
34 class ZListNode {
35 friend class ZList<T>;
36
37 private:
38 ZListNode* _next;
39 ZListNode* _prev;
40
41 ZListNode(ZListNode* next, ZListNode* prev);
42
43 void set_unused();
44
45 public:
46 ZListNode();
47 ~ZListNode();
48
49 bool is_unused() const;
50 };
51
52 // Doubly linked list
53 template <typename T>
54 class ZList {
55 private:
56 ZListNode<T> _head;
57 size_t _size;
58
59 NONCOPYABLE(ZList);
60
61 void verify() const;
62
63 void insert(ZListNode<T>* before, ZListNode<T>* node);
64
65 ZListNode<T>* cast_to_inner(T* elem) const;
66 T* cast_to_outer(ZListNode<T>* node) const;
67
68 public:
69 ZList();
70
71 size_t size() const;
72 bool is_empty() const;
73
74 T* first() const;
75 T* last() const;
76 T* next(T* elem) const;
77 T* prev(T* elem) const;
78
79 void insert_first(T* elem);
|