qcsrc/common/registry.qh

   1 #ifndef REGISTRY_H
   2 #define REGISTRY_H
   3
   4 #include "util.qh"
   5
   6 #define REGISTER_INIT(ns, id) [[accumulate]] void Register_##ns##_##id##_init(entity this)
   7
   8 #define REGISTER(initfunc, ns, array, counter, id, class, fld)  \
   9     entity ns##_##id;                                           \
  10     REGISTER_INIT(ns, id) { }                                   \
  11     .entity enemy; /* internal next pointer */                  \
  12     void Register_##ns##_##id() {                               \
  13         entity this = NEW(class);                               \
  14         ns##_##id = this;                                       \
  15         this.fld = counter;                                     \
  16         array[counter++] = this;                                \
  17         if (!array##_first)    array##_first = this;            \
  18         if ( array##_last)     array##_last.enemy = this;       \
  19         array##_last = this;                                    \
  20         Register_##ns##_##id##_init(this);                      \
  21     }                                                           \
  22     ACCUMULATE_FUNCTION(initfunc, Register_##ns##_##id)         \
  23     REGISTER_INIT(ns, id)
  24
  25 void __static_init() { }
  26 #define static_init() CALL_ACCUMULATED_FUNCTION(__static_init)
  27 #define REGISTER_REGISTRY(func) ACCUMULATE_FUNCTION(__static_init, func)
  28
  29 #define STATIC_INIT(func) \
  30     void _static_##func(); \
  31     ACCUMULATE_FUNCTION(__static_init, _static_##func) \
  32     void _static_##func()
  33
  34 #endif