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package commitquery
// Marks returns the mark bits of one internal node.
func (query *Query) marks(idx nodeIndex) markBits {
return query.nodes[idx].marks
}
// HasAnyMarks reports whether one internal node has any requested bit.
func (query *Query) hasAnyMarks(idx nodeIndex, bits markBits) bool {
return query.nodes[idx].marks&bits != 0
}
// HasAllMarks reports whether one internal node already has all requested bits.
func (query *Query) hasAllMarks(idx nodeIndex, bits markBits) bool {
return query.nodes[idx].marks&bits == bits
}
// SetMarks ORs one set of mark bits into one internal node.
func (query *Query) setMarks(idx nodeIndex, bits markBits) {
newBits := bits &^ query.nodes[idx].marks
if newBits == 0 {
return
}
query.trackTouched(idx)
query.nodes[idx].marks |= bits
}
// ClearMarks removes one set of mark bits from one internal node.
func (query *Query) clearMarks(idx nodeIndex, bits markBits) {
if query.nodes[idx].marks&bits == 0 {
return
}
query.trackTouched(idx)
query.nodes[idx].marks &^= bits
}
// BeginMarkPhase starts one tracked mark-mutation phase.
func (query *Query) beginMarkPhase() {
for _, idx := range query.touched {
query.nodes[idx].marks = 0
}
query.markPhase++
if query.markPhase == 0 {
query.markPhase++
for i := range query.nodes {
query.nodes[i].touchedPhase = 0
}
}
query.touched = query.touched[:0]
}
// ClearTouchedMarks clears the provided bits from all nodes touched in the
// current mark phase.
func (query *Query) clearTouchedMarks(bits markBits) {
for _, idx := range query.touched {
query.nodes[idx].marks &^= bits
}
}
func (query *Query) trackTouched(idx nodeIndex) {
if query.nodes[idx].touchedPhase == query.markPhase {
return
}
query.nodes[idx].touchedPhase = query.markPhase
query.touched = append(query.touched, idx)
}
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