src/vector/cl_SV_number.cc

   1 // cl_make_heap_SV_number().
   2
   3 // General includes.
   4 #include "base/cl_sysdep.h"
   5
   6 // Specification.
   7 #include "cln/SV_number.h"
   8
   9 // Implementation.
  10
  11 namespace cln {
  12
  13 static void cl_svector_number_destructor (cl_heap* pointer)
  14 {
  15         (*(cl_heap_SV_number*)pointer).~cl_heap_SV_number();
  16 }
  17
  18 // XXX: ugh, this needs to be non-static (and non-const) so redefining
  19 // debugging function is possible (see cl_SV_number_debug.cc)
  20 cl_class& cl_class_svector_number()
  21 {
  22         static cl_class instance = {
  23                 cl_svector_number_destructor,
  24                 0
  25         };
  26         return instance;
  27 }
  28
  29 cl_heap_SV_number* cl_make_heap_SV_number_uninit (std::size_t len)
  30 {
  31         cl_heap_SV_number* hv = (cl_heap_SV_number*) malloc_hook(sizeof(cl_heap_SV_number)+sizeof(cl_number)*len);
  32         hv->refcount = 1;
  33         hv->type = &cl_class_svector_number();
  34         new (&hv->v) cl_SV_inner<cl_number> (len);
  35         // Have to fill hv->v[i] (0 <= i < len) yourself.
  36         return hv;
  37 }
  38
  39 cl_heap_SV_number* cl_make_heap_SV_number (std::size_t len)
  40 {
  41         cl_heap_SV_number* hv = (cl_heap_SV_number*) malloc_hook(sizeof(cl_heap_SV_number)+sizeof(cl_number)*len);
  42         hv->refcount = 1;
  43         hv->type = &cl_class_svector_number();
  44         new (&hv->v) cl_SV_inner<cl_number> (len);
  45         for (std::size_t i = 0; i < len; i++)
  46                 init1(cl_number, hv->v[i]) (0);
  47         return hv;
  48 }
  49
  50 // An empty vector.
  51 const cl_SV_number cl_null_SV_number = cl_null_SV_number;
  52
  53 int cl_SV_number_init_helper::count = 0;
  54
  55 cl_SV_number_init_helper::cl_SV_number_init_helper()
  56 {
  57         if (count++ == 0)
  58                 new ((void *)&cl_null_SV_number) cl_SV_number((std::size_t)0);
  59 }
  60
  61 cl_SV_number_init_helper::~cl_SV_number_init_helper()
  62 {
  63         if (--count == 0) {
  64                 // Nothing to clean up
  65         }
  66 }
  67
  68 }  // namespace cln
  69