#include "NMWException.h"
#pragma exceptions on

class __partial_array_destructor {
private:
  void* p;
  size_t size;
  size_t n;
  void* dtor;

public:
  size_t i;

  __partial_array_destructor(void* array, size_t elementsize, size_t nelements, void* destructor) {
    p = array;
    size = elementsize;
    n = nelements;
    dtor = destructor;
    i = n;
  }

  ~__partial_array_destructor() {
    char* ptr;

    if (i < n && dtor) {
      for (ptr = (char*)p + size * i; i > 0; i--) {
        ptr -= size;
        DTORCALL_COMPLETE(dtor, ptr);
      }
    }
  }
};

extern "C" void __construct_array(void* ptr, void* ctor, void* dtor, size_t size, size_t n) {
  __partial_array_destructor pad(ptr, size, n, dtor);
  char* p;

  for (pad.i = 0, p = (char*)ptr; pad.i < n; pad.i++, p += size)
    CTORCALL_COMPLETE(ctor, p);
}

extern "C" void __destroy_arr(void* block, void* dtor, size_t size, size_t n) {
  char* p;

  for (p = (char*)block + size * n; n > 0; n--) {
    p -= size;
    DTORCALL_COMPLETE(dtor, p);
  }
}