include/cln/condition.h

   1 // Conditions (a.k.a. exceptions)
   2
   3 #ifndef _CL_CONDITION_H
   4 #define _CL_CONDITION_H
   5
   6 #include "cln/malloc.h"
   7 #include "cln/io.h"
   8
   9 namespace cln {
  10
  11 struct cl_condition {
  12         // Allocation.
  13         void* operator new (size_t size) { return malloc_hook(size); }
  14         // Deallocation.
  15         void operator delete (void* ptr) { free_hook(ptr); }
  16         // Name.
  17         virtual const char * name () const = 0;
  18         // Print.
  19         virtual void print (std::ostream&) const = 0;
  20         // Virtual destructor.
  21         virtual ~cl_condition () = 0;
  22 private:
  23         virtual void dummy ();
  24 };
  25 #define SUBCLASS_cl_condition() \
  26 public:                                                                   \
  27         /* Allocation. */                                                 \
  28         void* operator new (size_t size) { return malloc_hook(size); } \
  29         /* Deallocation. */                                               \
  30         void operator delete (void* ptr) { free_hook(ptr); }
  31
  32 // Functions which want to raise a condition return a `cl_condition*'.
  33 // The caller checks this value. NULL means no condition. The one who
  34 // disposes the condition (handles it without resignalling it) should
  35 // call `delete' on the condition pointer.
  36
  37 }  // namespace cln
  38
  39 #endif /* _CL_CONDITION_H */