rishi/scryer-prolog
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

remove pstr_vec

Browse Source
This commit is contained in:
Mark Thom
2024-12-06 21:47:36 -08:00
committed by Mark Thom
parent 3c85ef2724
commit ae4d12a123
40 changed files with 2262 additions and 1891 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/machine/cycle_detection.rs
View File

@@ -206,9 +206,9 @@ impl<'a, const STOP_AT_CYCLES: bool> CycleDetectingIter<'a, STOP_AT_CYCLES> {
}
HeapCellValueTag::PStrLoc => {
let h = self.next as usize;
let (_, last_cell_loc) = self.heap.scan_slice_to_str(h);
let tail_idx = self.heap.scan_slice_to_str(h).tail_idx;
if self.heap[last_cell_loc].get_forwarding_bit() {
if self.heap[tail_idx].get_forwarding_bit() {
if self.cycle_detection_active() {
self.cycle_found = true;
return None;
@@ -219,11 +219,11 @@ impl<'a, const STOP_AT_CYCLES: bool> CycleDetectingIter<'a, STOP_AT_CYCLES> {
continue;
}
self.heap[last_cell_loc].set_forwarding_bit(true);
self.heap[tail_idx].set_forwarding_bit(true);
self.next = self.heap[last_cell_loc].get_value();
self.heap[last_cell_loc].set_value(self.current as u64);
self.current = last_cell_loc;
self.next = self.heap[tail_idx].get_value();
self.heap[tail_idx].set_value(self.current as u64);
self.current = tail_idx;
return Some(pstr_loc_as_cell!(h));
}