public final void append(Token t) {
if (fFirst == null) {
fFirst = t;
fLast = t;
} else {
fLast.setNext(t);
fLast = t;
}
t.setNext(null);
}
void cutAfter(Token l) {
if (l == null) {
fFirst = null;
fLast = null;
} else {
l.setNext(null);
fLast = l;
}
}
public final void prepend(TokenList prepend) {
final Token first = prepend.fFirst;
if (first != null) {
final Token last = prepend.fLast;
last.setNext(fFirst);
fFirst = first;
if (fLast == null) {
fLast = last;
}
}
}
public final void appendAll(TokenList tl) {
final Token t = tl.first();
if (t != null) {
if (fFirst == null) {
fFirst = tl.fFirst;
} else {
fLast.setNext(tl.fFirst);
}
fLast = tl.fLast;
}
tl.fFirst = null;
tl.fLast = null;
}
final void removeBehind(Token l) {
if (l == null) {
Token t = fFirst;
if (t != null) {
t = (Token) t.getNext();
fFirst = t;
if (t == null) {
fLast = null;
}
}
} else {
final Token r = (Token) l.getNext();
if (r != null) {
l.setNext(r.getNext());
if (r == fLast) {
fLast = l;
}
}
}
}
