boolean canShift(Token t) { return oshifts!=null && oshifts.contains(t); }
void invokeShifts(Token t, GSS.Phase phase, Result r) { oshifts.invoke(t, phase, r); }
boolean canReduce(Token t) {
return oreductions != null && (t==null ? eofReductions.size()>0 : oreductions.contains(t)); }
void invokeEpsilonReductions(Token t, Node node) {
boolean canShift(Token t) { return oshifts!=null && oshifts.contains(t); }
void invokeShifts(Token t, GSS.Phase phase, Result r) { oshifts.invoke(t, phase, r); }
boolean canReduce(Token t) {
return oreductions != null && (t==null ? eofReductions.size()>0 : oreductions.contains(t)); }
void invokeEpsilonReductions(Token t, Node node) {