166     const SkOpPtT* walk = start;  in collapsed()  local
167     double min = walk->fT;  in collapsed()
171     while ((walk = walk->next()) != start) {  in collapsed()
175         if (walk == startNext) {  in collapsed()
178         if (walk->segment() != segment) {  in collapsed()
181         min = SkTMin(min, walk->fT);  in collapsed()
182         max = SkTMax(max, walk->fT);  in collapsed()
195     const SkOpPtT* walk = start;  in contains()  local
196     while ((walk = walk->next()) != start) {  in contains()
197         if (walk == check) {  in contains()
206     const SkOpPtT* walk = start;  in contains()  local
207     while ((walk = walk->next()) != start) {  in contains()
208         if (walk->deleted()) {  in contains()
211         if (walk->segment() == segment && walk->span()->ptT() == walk) {  in contains()
212             return walk;  in contains()