qcsrc/common/registry.qh

   1 #ifndef REGISTRY_H
   2 #define REGISTRY_H
   3
   4 #include "oo.qh"
   5 #include "util.qh"
   6
   7 #define REGISTER_INIT(ns, id) [[accumulate]] void Register_##ns##_##id##_init(entity this)
   8 #define REGISTER_INIT_POST(ns, id) [[accumulate]] void Register_##ns##_##id##_init_post(entity this)
   9
  10 #define REGISTER(initfunc, ns, array, counter, id, fld, inst)   \
  11     entity ns##_##id;                                           \
  12     REGISTER_INIT(ns, id) { }                                   \
  13     REGISTER_INIT_POST(ns, id) { }                              \
  14     .entity enemy; /* internal next pointer */                  \
  15     void Register_##ns##_##id() {                               \
  16         entity this = inst;                                     \
  17         ns##_##id = this;                                       \
  18         this.fld = counter;                                     \
  19         array[counter++] = this;                                \
  20         if (!array##_first)    array##_first = this;            \
  21         if ( array##_last)     array##_last.enemy = this;       \
  22         array##_last = this;                                    \
  23         Register_##ns##_##id##_init(this);                      \
  24         Register_##ns##_##id##_init_post(this);                 \
  25     }                                                           \
  26     ACCUMULATE_FUNCTION(initfunc, Register_##ns##_##id)         \
  27     REGISTER_INIT(ns, id)
  28
  29 void __static_init() { }
  30 #define static_init() CALL_ACCUMULATED_FUNCTION(__static_init)
  31 #define REGISTER_REGISTRY(func) ACCUMULATE_FUNCTION(__static_init, func)
  32
  33 #define STATIC_INIT(func) \
  34     void _static_##func(); \
  35     ACCUMULATE_FUNCTION(__static_init, _static_##func) \
  36     void _static_##func()
  37
  38 #endif