| … | |
… | |
| 13 | void *operator new (size_t s, void *); |
13 | void *operator new (size_t s, void *); |
| 14 | void *operator new (size_t s); |
14 | void *operator new (size_t s); |
| 15 | void *operator new [] (size_t s); |
15 | void *operator new [] (size_t s); |
| 16 | void operator delete (void *p, size_t s); |
16 | void operator delete (void *p, size_t s); |
| 17 | void operator delete [] (void *p, size_t s); |
17 | void operator delete [] (void *p, size_t s); |
|
|
18 | }; |
|
|
19 | |
|
|
20 | struct refcounted |
|
|
21 | { |
|
|
22 | mutable int refcnt; |
|
|
23 | refcounted () : refcnt (0) { } |
|
|
24 | void refcnt_inc () { ++refcnt; } |
|
|
25 | void refcnt_dec () { --refcnt; |
|
|
26 | if (refcnt < 0)abort();}//D |
|
|
27 | }; |
|
|
28 | |
|
|
29 | template<class T> |
|
|
30 | struct refptr |
|
|
31 | { |
|
|
32 | T *p; |
|
|
33 | |
|
|
34 | refptr () : p(0) { } |
|
|
35 | refptr (const refptr<T> &p) : p(p.p) { if (p) p->refcnt_inc (); } |
|
|
36 | refptr (T *p) : p(p) { if (p) p->refcnt_inc (); } |
|
|
37 | ~refptr () { if (p) p->refcnt_dec (); } |
|
|
38 | |
|
|
39 | const refptr<T> &operator =(T *o) |
|
|
40 | { |
|
|
41 | if (p) p->refcnt_dec (); |
|
|
42 | p = o; |
|
|
43 | if (p) p->refcnt_inc (); |
|
|
44 | |
|
|
45 | return *this; |
|
|
46 | } |
|
|
47 | |
|
|
48 | const refptr<T> &operator =(const refptr<T> o) |
|
|
49 | { |
|
|
50 | *this = o.p; |
|
|
51 | return *this; |
|
|
52 | } |
|
|
53 | |
|
|
54 | T &operator * () const { return *p; } |
|
|
55 | T *operator ->() const { return p; } |
|
|
56 | |
|
|
57 | operator T *() const { return p; } |
| 18 | }; |
58 | }; |
| 19 | |
59 | |
| 20 | struct str_hash |
60 | struct str_hash |
| 21 | { |
61 | { |
| 22 | std::size_t operator ()(const char *s) const |
62 | std::size_t operator ()(const char *s) const |
