checkpoint

[sbp.git] / src / edu / berkeley / sbp / misc / MetaGrammar.java

diff --git a/src/edu/berkeley/sbp/misc/MetaGrammar.java b/src/edu/berkeley/sbp/misc/MetaGrammar.java
index 0b70878..eb061d0 100644 (file)
--- a/src/edu/berkeley/sbp/misc/MetaGrammar.java
+++ b/src/edu/berkeley/sbp/misc/MetaGrammar.java
@@ -28,34 +28,22 @@ public class MetaGrammar extends ReflectiveWalker {
     // MetaGrammar //////////////////////////////////////////////////////////////////////////////
 
     public Object      _star_(Element r)                                              { return new Rep(r, null, false, true); }
-    public Element     _leftbracket_(Object o, Object[] args)                         { return rangex(o==null || !(o instanceof Character) ? null : o, args); }
     public Union       _colon__colon__equals_(String s, PreSequence[][] p)            { return nonTerminalZ(s, p); }
     public Union       _bang__colon__colon__equals_(String s, PreSequence[][] p)      { return nonTerminalZ(s, p, true); }
     public Union       _colon__colon__equals_(boolean q, String s, PreSequence[][] p) { return nonTerminalZ(s, p, q); }
-    public Element     _leftparen__rightparen_()                                      { return epsilon; }
     public Element     epsilon(Object o, Object b)                                    { return epsilon; }
     public Element     _rightparen_(Object e)                                         { return SELF; }
 
-    public PreSequence _amp_(PreSequence p, Object[] o) {
-        p.needs.add(new PreSequence(o, null, true));
-        return p;
-    }
-    public PreSequence _amp__tilde_(PreSequence p, Object[] o) {
-        p.hates.add(new PreSequence(o, null, true));
-        return p;
-    }
+    public PreSequence _amp_(PreSequence p, Object[] o)        { return p.and(new PreSequence(o, null, true).buildSequence(null, true, false)); }
+    public PreSequence _amp__tilde_(PreSequence p, Object[] o) {  return p.not(new PreSequence(o, null, true).buildSequence(null, true, false)); }
 
     public Element     _bang_(Element r)                       { return r; }
     public Object      care(String s)                          { return new MyLift(s); }
-    //public Element     _backtick_(Element r)                   { return new Unwrap(r); }
-    //public Element     _hash_(Element e)                       { return e; }
-    //public Element     _hash_(Element e)                       { return _plus__plus_(e); }
-
-    public PreSequence[] alternatives(PreSequence[] s) { return s; }
+    public Object      _caret_(String s)                       { return new MyLift(s); }
+    public Object      _leftparen__rightparen_()               { return epsilon; }
         
-    public Range       _minus_(Character a, Character b)   { return b==null ? new Range(a.charValue(), true) : new Range(a.charValue(), b.charValue()); }
-    public Object  _leftparen_(PreSequence[][] p) { return nonTerminalZ(p); }
-    public Union       nonTerminalY(String s) { return nonTerminalX(s, false, false); }
+    public Object      _leftparen_(PreSequence[][] p) { return nonTerminalZ(p); }
+    public Union       nonTerminal(String s) { return nonTerminalX(s, false, false); }
     public Union nonTerminalX(String s, boolean synthetic, boolean dropAll) {
         Union n = s.equals(startSymbol) ? g : nt.get(s);
         if (n == null) nt.put(s, n = new Union(s, synthetic));
@@ -78,14 +66,8 @@ public class MetaGrammar extends ReflectiveWalker {
         }
         return ret;
     }
-    public Object _plus__slash_(final Element r, Object s) {
-        if (s instanceof String) s = CharToken.string((String)s);
-        return new Rep(r, (Element)s, false, false);
-    }
-    public Object _star__slash_(final Element r, Object s) {
-        if (s instanceof String) s = CharToken.string((String)s);
-        return new Rep(r, (Element)s, false, true);
-    }
+    public Object _plus__slash_(final Element r, Object s) { return new Rep(r, (Element)s, false, false); }
+    public Object _star__slash_(final Element r, Object s) { return new Rep(r, (Element)s, false, true); }
     public Object _star__star_(final Element r) { return new Rep(r, null, true, true); }
     public Object _plus__plus_(final Element r) { return new Rep(r, null, true, false); }
     public Element _question_(final Element r) { return Repeat.maybe(r); }
@@ -94,21 +76,12 @@ public class MetaGrammar extends ReflectiveWalker {
     public MetaGrammar grammar(Object o, Union[] u, Object x) { return this; }
     public char    _backslash_n() { return '\n'; }
     public char    _backslash_r() { return '\r'; }
-    //public String  literal(String s) { return s; }
-
-    public Object literal(String s) {
-        Element e = CharToken.string(s);
-        return new MyDrop(e);
-        //dropAll.add(e);
-        //return e;
-    }
-
-    public Range     range0(char a)         { return new Range(a, a); }
-    public Range     range0(char a, char b) { return new Range(a, b); }
-    public Range     range1(char a, char b) { return new Range(a, b); }
-    public Element   rangex(Range[] rr) { return range("~", rr); }
-    public Element   range(Range[] rr) { return range(null, rr); }
-    public Element   range(Object o, Range[] rr) {
+    public Object    literal(String s) { return new MyDrop(CharToken.string(s)); }
+    public Range     _minus_(char a, char b) { return new Range(a, b); }
+    public Element   _leftbracket_       (Range[] rr) { return ranges(null, rr); }
+    public Element   _leftbracket__tilde_(Range[] rr) { return ranges("~",  rr); }
+    public Range     range(char a)         { return new Range(a, a); }
+    public Element   ranges(Object o, Range[] rr) {
         Range.Set ret = !"~".equals(o+"") ? new Range.Set() : new Range.Set(new Range(true, true));
         if (rr != null)
             for(Range r : rr)
@@ -116,45 +89,6 @@ public class MetaGrammar extends ReflectiveWalker {
                 else                   ret.remove(r);
         return CharToken.set(ret);
     }
-    public Element rangex(Object o, Object[] r) {
-        Range.Set ret = o==null ? new Range.Set() : new Range.Set(new Range(true, true));
-        if (r != null)
-            for(Object aa : r) {
-                Range range =
-                    aa instanceof Range
-                    ? (Range)aa
-                    : aa instanceof Character
-                    ? new Range(((Character)aa).charValue())
-                    : new Range(((String)aa).charAt(0));
-                if (o==null) ret.add(range);
-                else         ret.remove(range);
-            }
-        return CharToken.set(ret);
-    }
-
-    public String sify(Object arg) {
-        if (arg==null) return "";
-        if (arg instanceof String) return (String)arg;
-        Object[] args = (Object[])arg;
-        while(true) {
-            args = Reflection.lub(args);
-            if (args instanceof String[]) {
-                StringBuffer ret = new StringBuffer();
-                for(String s : ((String[])args)) ret.append(s);
-                return ret.toString();
-            }
-            if (args instanceof Character[]) break;
-            if (!(args instanceof Object[])) break;
-            args = (Object[])args[0];
-        }
-        if (args instanceof Character[]) {
-            char[] c = new char[args.length];
-            for(int i=0; i<c.length; i++) c[i] = ((Character)args[i]).charValue();
-            String s = new String(c, 0, c.length);
-            return s;
-        }
-        return (String)args[0];
-    }
 
 
     ////////////////////////////////////////////////////////////////////////////////
@@ -175,7 +109,7 @@ public class MetaGrammar extends ReflectiveWalker {
         nt = new HashMap<String,Union>();
         dropAll = new HashSet<Element>();
         nt.put(str, g);
-        this.dws = Repeat.maximal(Repeat.many0(nonTerminalY("w")));
+        this.dws = Repeat.maximal(Repeat.many0(nonTerminal("w")));
         return ret;
     }
 
@@ -187,10 +121,9 @@ public class MetaGrammar extends ReflectiveWalker {
             if (s[i]==null) continue;
             HashSet<Sequence> temp = new HashSet<Sequence>();
             for(PreSequence pre : s[i]) {
-                pre.hatess.addAll(seqs);
+                pre.not.addAll(seqs);
                 Sequence seq = pre.buildSequence(n, false, dropAll);
                 temp.add(seq);
-                //for(Sequence dom : seqs) seq.hates.add(dom);
                 n.add(seq);
             }
             seqs.addAll(temp);
@@ -203,11 +136,6 @@ public class MetaGrammar extends ReflectiveWalker {
     public char unescape(char c) { return StringUtil.unescapify("\\"+c).charAt(0); }
     public PreSequence sequence(Object[] o) { return new PreSequence(o, null); }
 
-    public static class PreBrace {
-        public final Object[] o;
-        public PreBrace(Object[] o) { this.o = o; }
-    }
-
     public PreSequence _equals__greater_(Object[] o, String s) { return new PreSequence(o, s); }
     public PreSequence wrap(Object[] o) { return new PreSequence(o, ""); }
     public PreSequence mwrap(Object[] o) { return new PreSequence(o, ""); }
@@ -219,6 +147,11 @@ public class MetaGrammar extends ReflectiveWalker {
         return rewrite(o3);
     }
         
+    public static class PreBrace {
+        public final Object[] o;
+        public PreBrace(Object[] o) { this.o = o; }
+    }
+
     public static class Rep {
         private final Element e;
         private final Element s;
@@ -233,9 +166,10 @@ public class MetaGrammar extends ReflectiveWalker {
     }
 
     public static class PreSequence {
-        public final HashSet<PreSequence> needs  = new HashSet<PreSequence>();
-        public final HashSet<PreSequence> hates  = new HashSet<PreSequence>();
-        public final HashSet<Sequence> hatess = new HashSet<Sequence>();
+        public PreSequence not(Sequence s) { not.add(s); return this; }
+        public PreSequence and(Sequence s) { and.add(s); return this; }
+        public final HashSet<Sequence> and  = new HashSet<Sequence>();
+        public final HashSet<Sequence> not  = new HashSet<Sequence>();
         public /*final*/ String tag;
         public final Object[] o;
         public final boolean keeper;
@@ -254,7 +188,6 @@ public class MetaGrammar extends ReflectiveWalker {
                 if      (oi instanceof PreSequence) o2[j] = ((PreSequence)oi).buildUnion();
                 else if (oi==SELF)                  o2[j] = u.new Subset("(("+u+"))", set);
                 else if (oi instanceof MyLift)      { o2[j] = CharToken.string(tag = ((MyLift)oi).s); drops[j] = true; }
-                else if (oi instanceof String)      { o2[j] = CharToken.string(      ((String)oi)  ); drops[j] = true; }
                 else if (oi instanceof Rep)         o2[j] = ((Rep)oi).build();
                 else                                  o2[j] = (Element)oi;
 
@@ -272,21 +205,8 @@ public class MetaGrammar extends ReflectiveWalker {
         }
         public Sequence buildSequence(Union u) { return buildSequence(u, false, false); }
         public Sequence buildSequence(Union u, boolean lame, boolean dropAll) {
-
-            HashSet<Sequence> and = new HashSet<Sequence>();
-            HashSet<Sequence> not = new HashSet<Sequence>();
-            for(PreSequence p : needs) {
-                Sequence ps = p.buildSequence(u, true, dropAll);
-                u.add(ps);
-                and.add(ps);
-            }
-            for(Sequence p : hatess) not.add(p);
-            for(PreSequence p : hates) {
-                Sequence ps = p.buildSequence(u, true, dropAll);
-                u.add(ps);
-                not.add(ps);
-            }
-
+            for(Sequence s : and) u.add(s);
+            for(Sequence s : not) u.add(s);
             HashSet<Sequence> set = new HashSet<Sequence>();
             Element[] expansion = expand(u, set);
             boolean keeper = this.keeper;
@@ -356,66 +276,53 @@ public class MetaGrammar extends ReflectiveWalker {
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
         // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
 new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
-        new Tree(null, "grammar", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
+        new Tree(null, "grammar", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "m", new Tree[] { }),
         new Tree(null, "m", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "r", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
+        new Tree(null, "r", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "m", new Tree[] { })})})})})})})}),
-        new Tree(null, "!::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
+        new Tree(null, "m", new Tree[] { })})})})})}),
+        new Tree(null, "!::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "m", new Tree[] { }),
         new Tree(null, "m", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "r", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
+        new Tree(null, "r", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "m", new Tree[] { }),
         new Tree(null, "m", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "r", new Tree[] { })})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "r", new Tree[] { })})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ":", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ":", new Tree[] { }),
         new Tree(null, ":", new Tree[] { }),
-        new Tree(null, "=", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "=", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -426,18 +333,18 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "v", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { }),
         new Tree(null, ":", new Tree[] { }),
         new Tree(null, ":", new Tree[] { }),
-        new Tree(null, "=", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "=", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -448,10 +355,10 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "v", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -462,27 +369,27 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "v", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "A", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
-        new Tree(null, "t", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ">", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})})})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "t", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ">", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "A", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
-        new Tree(null, "t", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
+        new Tree(null, "t", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "j", new Tree[] { }),
@@ -490,55 +397,43 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "|", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})})})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "l", new Tree[] { }),
-        new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { }),
-        new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "i", new Tree[] { }),
-        new Tree(null, "v", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "|", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})}),
-        new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})})})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "j", new Tree[] { }),
@@ -546,160 +441,153 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "w", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "w", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { })})})}),
-        new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { })})}),
+        new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "w", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { }),
-        new Tree(null, "~", new Tree[] { })})})}),
-        new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { }),
+        new Tree(null, "~", new Tree[] { })})}),
+        new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "w", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "w", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
-        new Tree(null, ">", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
+        new Tree(null, ">", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
-        new Tree(null, ">", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
+        new Tree(null, ">", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "=>", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
-        new Tree(null, ">", new Tree[] { })})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { }),
-        new Tree(null, ")", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
+        new Tree(null, ">", new Tree[] { })})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { }),
+        new Tree(null, ")", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "p", new Tree[] { })})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "c", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rangex", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "-", new Tree[] { })}),
-        new Tree(null, "range0", new Tree[] { new Tree(null, "]", new Tree[] { })}),
-        new Tree(null, "range0", new Tree[] { new Tree(null, "\\", new Tree[] { })}),
-        new Tree(null, "range0", new Tree[] { new Tree(null, "~", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "p", new Tree[] { })})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "c", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[~", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "-", new Tree[] { })}),
+        new Tree(null, "range", new Tree[] { new Tree(null, "]", new Tree[] { })}),
+        new Tree(null, "range", new Tree[] { new Tree(null, "\\", new Tree[] { })}),
+        new Tree(null, "range", new Tree[] { new Tree(null, "~", new Tree[] { })})})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "p", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { }),
-        new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "c", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "0", new Tree[] { })})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "c", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "c", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "1", new Tree[] { })})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "c", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "c", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "n", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "n", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "T", new Tree[] { }),
@@ -709,19 +597,18 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "l", new Tree[] { }),
-        new Tree(null, "Y", new Tree[] { })})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "(", new Tree[] { })})})}),
-        new Tree(null, "range", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "l", new Tree[] { })})}),
+        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "(", new Tree[] { })})})}),
+        new Tree(null, "[", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "p", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { })})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "{", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "n", new Tree[] { })})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "{", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -732,129 +619,109 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "v", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "}", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { }),
-        new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})})})})})})})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { }),
-        new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { }),
-        new Tree(null, "~", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "}", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})})})})})})})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})})})})})})})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { }),
+        new Tree(null, "~", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "x", new Tree[] { })})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
-        new Tree(null, "/", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
-        new Tree(null, "/", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "?", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "~", new Tree[] { }),
-        new Tree(null, "/", new Tree[] { }),
-        new Tree(null, "~", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { })})})})})})})})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "`", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "#", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "~", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { }),
+        new Tree(null, "~", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "`", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "#", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
+        new Tree(null, "*", new Tree[] { })})})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { })})})})})})})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
+        new Tree(null, "+", new Tree[] { })})})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { })})})})})})})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "?", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})}),
+        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "l", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "l", new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "l", new Tree[] { })})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
-        new Tree(null, "*", new Tree[] { })})})})})})})}),
-        new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { })})})})})})})})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
-        new Tree(null, "+", new Tree[] { })})})})})})})}),
-        new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { })})})})})})})})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "l", new Tree[] { })})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})}),
-        new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})}),
-        new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})}),
+        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -865,74 +732,69 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "i", new Tree[] { }),
         new Tree(null, "v", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
-        new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "!::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, " ", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { }),
-        new Tree(null, "/", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "rangex", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})})})})})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})}),
+        new Tree(null, "!::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, " ", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "[~", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})})})})})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "n", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "z", new Tree[] { })}),
         new Tree(null, "-", new Tree[] { new Tree(null, "A", new Tree[] { }),
         new Tree(null, "Z", new Tree[] { })}),
         new Tree(null, "-", new Tree[] { new Tree(null, "0", new Tree[] { }),
         new Tree(null, "9", new Tree[] { })}),
-        new Tree(null, "range0", new Tree[] { new Tree(null, "_", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "range", new Tree[] { new Tree(null, "_", new Tree[] { })})})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "++", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { })})})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
-        new Tree(null, "i", new Tree[] { }),
-        new Tree(null, "f", new Tree[] { }),
-        new Tree(null, "y", new Tree[] { })})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "++", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "n", new Tree[] { })})})})})})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { })})})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rangex", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "\"", new Tree[] { })}),
-        new Tree(null, "range0", new Tree[] { new Tree(null, "\\", new Tree[] { })})})})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { })})}),
+        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[~", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "\"", new Tree[] { })}),
+        new Tree(null, "range", new Tree[] { new Tree(null, "\\", new Tree[] { })})})})})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "p", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})})})})})})})})})})})})})}),
-        new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
-        new Tree(null, "i", new Tree[] { }),
-        new Tree(null, "f", new Tree[] { }),
-        new Tree(null, "y", new Tree[] { })})})})})})})}),
-        new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})})})})})})})})})})})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { })})})})}),
+        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { }),
+        new Tree(null, "\"", new Tree[] { })})})}),
+        new Tree(null, "", new Tree[] { })})})})}),
+        new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "p", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
-        new Tree(null, "n", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})}),
-        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
-        new Tree(null, "r", new Tree[] { })})})})}),
-        new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})})}),
-        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { })})})}),
-        new Tree(null, "rangex", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "n", new Tree[] { })}),
-        new Tree(null, "range0", new Tree[] { new Tree(null, "r", new Tree[] { })})})})})})})})})})})}),
+        new Tree(null, "d", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
+        new Tree(null, "n", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})}),
+        new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
+        new Tree(null, "r", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})}),
+        new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { })})}),
+        new Tree(null, "[~", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "n", new Tree[] { })}),
+        new Tree(null, "range", new Tree[] { new Tree(null, "r", new Tree[] { })})})})})})})})})})}),
         new Tree(null, null, new Tree[] { })})
         // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED
         ;
@@ -956,3 +818,14 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
 
 
 
+
+
+
+
+
+
+
+
+
+
+