27 lines
445 B
C++
27 lines
445 B
C++
namespace factor
|
|
{
|
|
|
|
struct zone {
|
|
/* offset of 'here' and 'end' is hardcoded in compiler backends */
|
|
cell here;
|
|
cell start;
|
|
cell end;
|
|
cell size;
|
|
|
|
zone(cell size_, cell start_) : here(0), start(start_), end(start_ + size_), size(size_) {}
|
|
|
|
inline bool contains_p(object *pointer)
|
|
{
|
|
return ((cell)pointer - start) < size;
|
|
}
|
|
|
|
inline object *allot(cell size)
|
|
{
|
|
cell h = here;
|
|
here = h + align8(size);
|
|
return (object *)h;
|
|
}
|
|
};
|
|
|
|
}
|