return ret.toString();
}
- // FIXME
private static HashSet<Element> dropAll = new HashSet<Element>();
// Statics //////////////////////////////////////////////////////////////////////////////
// MetaGrammar //////////////////////////////////////////////////////////////////////////////
- public PreSequence _amp_(PreSequence p, Object[] o) { return p.and(new PreSequence(o, null).buildSequence(null, true, false, true)); }
- public PreSequence _amp__tilde_(PreSequence p, Object[] o) { return p.not(new PreSequence(o, null).buildSequence(null, true, false, true)); }
+ public PreSequence _amp_(PreSequence p, Object[] o) { return p.and(new PreSequence(o, null).buildSequence(null, true, false)); }
+ public PreSequence _amp__tilde_(PreSequence p, Object[] o) { return p.not(new PreSequence(o, null).buildSequence(null, true, false)); }
public Element epsilon(Object o, Object b) { return Union.epsilon; }
public Object _leftparen__rightparen_(Object o) { return Union.epsilon; }
public Element _rightparen_(Object e) { return SELF; }
public Union nonTerminal(String s) { return nonTerminal(s, null, false, false); }
public Union _colon__colon__equals_(String s, PreSequence[][] p) { return nonTerminal(s, p, false, false); }
public Union _bang__colon__colon__equals_(String s, PreSequence[][] p) { return nonTerminal(s, p, false, true); }
- public Union _colon__colon__equals_(boolean q, String s, PreSequence[][] p) { return nonTerminal(s, p, false, q); }
public Object _leftparen_(PreSequence[][] p) { return nonTerminal("anon"+(anon++), p, false, false); }
public Union nonTerminal(String str, PreSequence[][] s, boolean synthetic, boolean dropAll) {
Union n = str.equals(startSymbol) ? g : nt.get(str);
HashSet<Sequence> temp = new HashSet<Sequence>();
for(PreSequence pre : s[i]) {
pre.not.addAll(seqs);
- Sequence seq = pre.buildSequence(n, false, dropAll, false);
+ Sequence seq = pre.buildSequence(n, false, dropAll);
temp.add(seq);
n.add(seq);
}
if (o2==null) o2 = new Object[0];
Object[] o3 = new Object[o1.length + o2.length + 1];
System.arraycopy(o1, 0, o3, 0, o1.length);
- Element es = string(s);
- //dropAll.add(es);
- o3[o1.length] = es;
+ o3[o1.length] = string(s);
System.arraycopy(o2, 0, o3, o1.length+1, o2.length);
PreSequence ret = new PreSequence(o3, s);
ret.drops[o1.length] = o3.length>1;
u.add(buildSequence(u));
return u;
}
- public Sequence buildSequence(Union u) { return buildSequence(u, false, false, false); }
- public Sequence buildSequence(Union u, boolean lame, boolean dropAll, boolean keeper) {
+ public Sequence buildSequence(Union u) { return buildSequence(u, false, false); }
+ public Sequence buildSequence(Union u, boolean lame, boolean dropAll) {
for(Sequence s : and) u.add(s);
for(Sequence s : not) u.add(s);
HashSet<Sequence> set = new HashSet<Sequence>();
}
}
Element[] expansion = o2;
- Sequence ret = dropAll || lame || keeper ? Sequence.drop(expansion, and, not, lame) : null;
- if (ret==null && tag!=null) ret = Sequence.rewritingSequence(tag, expansion, drops, and, not);
- if (ret==null) {
+ Sequence ret = null;
+ if (dropAll || lame) ret = Sequence.drop(expansion, and, not, lame);
+ else if (tag!=null) ret = Sequence.rewritingSequence(tag, expansion, drops, and, not);
+ else {
int idx = -1;
for(int i=0; i<expansion.length; i++) {
if (!drops[i]) idx = i;