namespace factor {
struct bump_allocator {
- /* offset of 'here' and 'end' is hardcoded in compiler backends */
+ // offset of 'here' and 'end' is hardcoded in compiler backends
cell here;
cell start;
cell end;
bump_allocator(cell size, cell start)
: here(start), start(start), end(start + size), size(size) {}
- bool contains_p(object* obj) { return ((cell)obj - start) < size; }
+ bool contains_p(object* obj) {
+ return (cell)obj >= start && (cell)obj < end;
+ }
object* allot(cell size) {
cell h = here;
void flush() {
here = start;
#ifdef FACTOR_DEBUG
- /* In case of bugs, there may be bogus references pointing to the
- memory space after the gc has run. Filling it with a pattern
- makes accesses to such shadow data fail hard. */
+ // In case of bugs, there may be bogus references pointing to the
+ // memory space after the gc has run. Filling it with a pattern
+ // makes accesses to such shadow data fail hard.
memset_cell((void*)start, 0xbaadbaad, size);
#endif
}