src/base/hash/cl_rcpointer_hashweak_rcpointer.h

   1 // cl_rcpointer hash tables
   2
   3 #ifndef _CL_RCPOINTER_HASHWEAK_RCPOINTER_H
   4 #define _CL_RCPOINTER_HASHWEAK_RCPOINTER_H
   5
   6 #include "cln/object.h"
   7
   8 #include "base/hash/cl_hash1weak.h"
   9
  10 namespace cln {
  11
  12 // Equality.
  13 static inline bool equal (const cl_rcpointer& x, const cl_rcpointer& y)
  14 { return (x.pointer == y.pointer); }
  15
  16 // Hash code. Luckily objects don't move around in memory.
  17 inline uintptr_t hashcode (const cl_rcpointer& x)
  18 { return (uintptr_t)x.pointer; }
  19
  20 typedef cl_htentry1<cl_rcpointer,cl_rcpointer> cl_htentry_from_rcpointer_to_rcpointer;
  21
  22 typedef cl_heap_weak_hashtable_1<cl_rcpointer,cl_rcpointer> cl_heap_weak_hashtable_from_rcpointer_to_rcpointer;
  23
  24 typedef _cl_hashtable_iterator<cl_htentry_from_rcpointer_to_rcpointer> cl_hashtable_from_rcpointer_to_rcpointer_iterator;
  25
  26 struct cl_wht_from_rcpointer_to_rcpointer : public cl_rcpointer {
  27         // Constructors.
  28         cl_wht_from_rcpointer_to_rcpointer (bool (*maygc_htentry) (const cl_htentry_from_rcpointer_to_rcpointer&));
  29         cl_wht_from_rcpointer_to_rcpointer (const cl_wht_from_rcpointer_to_rcpointer&);
  30         // Assignment operators.
  31         cl_wht_from_rcpointer_to_rcpointer& operator= (const cl_wht_from_rcpointer_to_rcpointer&);
  32         // Iterator.
  33         cl_hashtable_from_rcpointer_to_rcpointer_iterator iterator () const
  34         { return ((cl_heap_weak_hashtable_from_rcpointer_to_rcpointer*)pointer)->iterator(); }
  35         // Lookup.
  36         cl_rcpointer * get (const cl_rcpointer& x) const;
  37         // Store.
  38         void put (const cl_rcpointer& x, const cl_rcpointer& y) const;
  39 };
  40
  41 }  // namespace cln
  42
  43 #endif /* _CL_RCPOINTER_HASHWEAK_RCPOINTER_H */