X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Fmisc%2FMetaGrammar.java;h=9f67307f29b31a361d829a2f0208a47ee2d3d029;hp=4b5f707c6b3db64522736e2b830701ec114fc990;hb=5d18f5606c9296e6b0c5749f05fc68f358ace2f6;hpb=b5156588b3abf1ecb9ea113b63ee6e5e8468b260

diff --git a/src/edu/berkeley/sbp/misc/MetaGrammar.java b/src/edu/berkeley/sbp/misc/MetaGrammar.java
index 4b5f707..9f67307 100644
--- a/src/edu/berkeley/sbp/misc/MetaGrammar.java
+++ b/src/edu/berkeley/sbp/misc/MetaGrammar.java
@@ -1,11 +1,21 @@
 package edu.berkeley.sbp.misc;
 import edu.berkeley.sbp.util.*;
 import edu.berkeley.sbp.*;
+import edu.berkeley.sbp.chr.*;
 import java.util.*;
 import java.io.*;
 
 public class MetaGrammar extends StringWalker {
 
+    public static class Hack<T extends Input> extends Atom<T> {
+        private final Atom<T> a;
+        static final Topology leftright = CharRange.rightBrace.union(CharRange.leftBrace);
+        public Hack(Atom<T> a) { this.a = a; }
+        public Topology<T> top() { return a.minus(leftright); }
+        public String toString() { return "~"+a; }
+    }
+
+
     public static Union make() throws Exception {
         return ((MetaGrammar)new MetaGrammar().walk(meta)).done();
     }
@@ -16,6 +26,7 @@ public class MetaGrammar extends StringWalker {
     }
 
     public /*private*/ static HashSet<Element> dropAll = new HashSet<Element>();
+    public /*private*/ static HashMap<Element,String> carets = new HashMap<Element,String>();
 
     // Statics //////////////////////////////////////////////////////////////////////////////
 
@@ -30,9 +41,9 @@ public class MetaGrammar extends StringWalker {
     private boolean strings;
 
     private Element  set(Range.Set r) { if (strings) throw new Error(); return CharRange.set(r); }
-    private Element  string(String s) { return strings ? StringToken.string(s) : CharRange.string(s); }
-    private Atom     leftBrace()      { return strings ? StringToken.leftBrace : CharRange.leftBrace; }
-    private Atom     rightBrace()     { return strings ? StringToken.rightBrace : CharRange.rightBrace; }
+    private Element  string(String s) { return strings ? StringInput.string(s) : CharRange.string(s); }
+    private Atom     leftBrace()      { return strings ? StringInput.leftBrace : CharRange.leftBrace; }
+    private Atom     rightBrace()     { return strings ? StringInput.rightBrace : CharRange.rightBrace; }
 
     public MetaGrammar() { this("s", false); }
     public MetaGrammar(String s) { this(s, false); }
@@ -53,8 +64,12 @@ public class MetaGrammar extends StringWalker {
 
     // MetaGrammar //////////////////////////////////////////////////////////////////////////////
 
-    public Union       nonTerminal(String str) { return nonTerminal(str, null, false, false); }
-    public Union       nonTerminal(String str, PreSequence[][] s, boolean synthetic, boolean dropAll) {
+    public Union       getNonTerminal(String str) { return nonTerminal(str, null, false, false); }
+    private Union       nonTerminal(String str) { return nonTerminal(str, null, false, false); }
+    public Union       anonymousNonTerminal(Sequence[][] s) {
+        return nonTerminal("anon"+(anon++), s, false, false);
+    }
+    private Union       nonTerminal(String str, Sequence[][] s, boolean synthetic, boolean dropAll) {
         Union n = str.equals(startSymbol) ? g : nt.get(str);
         if (n == null) nt.put(str, n = new Union(str, synthetic));
         if (dropAll) this.dropAll.add(n);
@@ -63,14 +78,16 @@ public class MetaGrammar extends StringWalker {
         for(int i=0; i<s.length; i++) {
             if (s[i]==null) continue;
             HashSet<Sequence> temp = new HashSet<Sequence>();
-            for(PreSequence pre : s[i]) {
-                pre.not.addAll(seqs);
-                Sequence seq = pre.buildSequence(n, false, dropAll);
-                temp.add(seq);
-                n.add(seq);
+            for(Sequence pre : s[i]) {
+                for(Sequence sn : seqs) pre = pre.not(sn);
+                temp.add(pre);
+                n.add(pre);
             }
             seqs.addAll(temp);
         }
+        //StringBuffer sb = new StringBuffer();
+        //n.toString(sb);
+        //System.out.println(sb);
         return n;
     }
 
@@ -86,75 +103,84 @@ public class MetaGrammar extends StringWalker {
         return ret;
     }
 
+    // hack, this doens't really work if you're nesting
+    HashSet<Element> keep = new HashSet<Element>();
+
+    public Sequence sequence(Object o, boolean lame) {
+        return new PreSequence((Element[])Reflection.lub((Object[])o), null).buildSequence(null, lame, false);
+    }
     public Object walk(Tree<String> tree) {
         String head = tree.head();
         if (tree.numChildren()==0) return super.walk(tree);
         if      ("\\n".equals(head)) return new Character('\n');
         else if ("\\r".equals(head)) return new Character('\r');
         else if ("grammar".equals(head)) { for(Tree<String> t : tree.children()) walk(t); return this; }
-        else if ("*".equals(head))  return Repeat.many0((Element)walk(tree.child(0)));
-        else if ("+".equals(head))  return Repeat.many1((Element)walk(tree.child(0)));
-        else if ("+/".equals(head)) return Repeat.many1((Element)walk(tree.child(0)), (Element)walk(tree.child(1)));
-        else if ("*/".equals(head)) return Repeat.many0((Element)walk(tree.child(0)), (Element)walk(tree.child(1)));
+        else if ("*".equals(head))   return Repeat.many0((Element)walk(tree.child(0)));
+        else if ("+".equals(head))   return Repeat.many1((Element)walk(tree.child(0)));
+        else if ("+/".equals(head))  return Repeat.many1((Element)walk(tree.child(0)), (Element)walk(tree.child(1)));
+        else if ("*/".equals(head))  return Repeat.many0((Element)walk(tree.child(0)), (Element)walk(tree.child(1)));
         else if ("++/".equals(head)) return Repeat.maximal1((Element)walk(tree.child(0)), (Element)walk(tree.child(1)));
-        else if ("**".equals(head)) return Repeat.maximal0((Element)walk(tree.child(0)));
-        else if ("++".equals(head)) return Repeat.maximal1((Element)walk(tree.child(0)));
-        else if ("?".equals(head))  return Repeat.maybe((Element)walk(tree.child(0)));
-        else if ("&".equals(head))
-            return ((PreSequence)walk(tree,0)).and(new PreSequence((Element[])Reflection.lub((Object[])walk(tree, 1)), null).buildSequence(null, true, false));
-        else if ("&~".equals(head))
-            return ((PreSequence)walk(tree,0)).not(new PreSequence((Element[])Reflection.lub((Object[])walk(tree, 1)), null).buildSequence(null, true, false));
+        else if ("**".equals(head))  return Repeat.maximal0((Element)walk(tree.child(0)));
+        else if ("++".equals(head))  return Repeat.maximal1((Element)walk(tree.child(0)));
+        else if ("?".equals(head))   return Repeat.maybe((Element)walk(tree.child(0)));
+        else if ("!".equals(head))   { Element e = (Element)walk(tree.child(0)); dropAll.add(e); return e; }
+        else if ("&".equals(head))   return ((Sequence)walk(tree,0)).and(sequence(walk(tree, 1), true));
+        else if ("and".equals(head)) return ((Sequence)walk(tree,0)).and(sequence(walk(tree, 1), true));
+        else if ("&~".equals(head))  return ((Sequence)walk(tree,0)).not(sequence(walk(tree, 1), true));
         else if ("epsilon".equals(head)) return Union.epsilon;
         else if ("()".equals(head)) return Union.epsilon;
         else if (")".equals(head)) return SELF;
-        else if ("nonTerminal".equals(head)) return nonTerminal(string(tree.child(0)), null, false, false);
-        else if ("::=".equals(head)) return nonTerminal(string(tree.child(0)), (PreSequence[][])walk(tree, 1), false, false);
-        else if ("!::=".equals(head)) return nonTerminal(string(tree.child(0)), (PreSequence[][])walk(tree, 1), false, true);
-        else if ("(".equals(head)) return nonTerminal("anon"+(anon++), (PreSequence[][])walk(tree, 0), false, false);
+        else if ("caret".equals(head) || "^".equals(head)) {
+            String s = string(tree.child(0));
+            Element ret = CharRange.string(s, false);
+            carets.put(ret, s);
+            dropAll.add(ret);
+            return ret;
+        } else if ("^^".equals(head)) {
+            return new Keep(walk(tree,0));
+        } else if ("psx".equals(head)) return ((PreSequence)walk(tree, 0)).buildSequence();
+        else if ("nonTerminal".equals(head)) return getNonTerminal(string(tree.child(0)));
+        else if ("::=".equals(head)) return nonTerminal(string(tree.child(0)), (Sequence[][])walk(tree, 1), false, false);
+        else if ("=".equals(head)) return nonTerminal(string(tree.child(0)), (Sequence[][])walk(tree, 1), false, false);
+        else if ("(".equals(head)) return buildUnion((Sequence[][])walk(tree, 0));
         else if ("literal".equals(head)) { Element ret = string(string(tree.child(0))); dropAll.add(ret); return ret; }
         else if ("-".equals(head)) return new Range(walk(tree, 0).toString().charAt(0), walk(tree,1).toString().charAt(0));
         else if ("range".equals(head)) return new Range(walk(tree, 0).toString().charAt(0), walk(tree,0).toString().charAt(0));
         else if ("gram".equals(head)) return walk(tree, 0);
-        else if ("=>".equals(head)) { PreSequence p = (PreSequence)walk(tree, 0); p.tag = string(tree.child(1)); return p; }
-        else if ("[]".equals(head)) { PreSequence p = (PreSequence)walk(tree, 0); p.unwrap = true; return p; }
         else if ("psy".equals(head)) return (PreSequence)walk(tree, 0);
-        else if ("psyl".equals(head)) throw new Error("not supported");
-        else if ("psyr".equals(head)) { PreSequence p = (PreSequence)walk(tree, 0); p.noFollow = (Element)walk(tree, 1); return p; }
-        else if ("psylr".equals(head)) throw new Error("not supported");
+        else if ("->".equals(head)) { PreSequence p = (PreSequence)walk(tree, 0); p.noFollow = (Element)walk(tree, 1); return p; }
         else if ("/".equals(head)) return ((PreSequence)walk(tree, 0)).sparse((Element)walk(tree, 1));
-        else if ("~".equals(head))
-            return new Atom.Hack(new Atom.Invert(new Atom.Infer((Element)walk(tree, 0))));
-        else if ("ps".equals(head)) return new PreSequence((Element[])walk(tree, 0));
-        else if ("ps".equals(head)) return new PreSequence((Element[])walk(tree, 0));
-        else if ("qprod".equals(head)) {
+        else if (" /".equals(head)) return ((PreSequence)walk(tree, 0)).sparse((Element)walk(tree, 1));
+        else if ("~".equals(head)) return new Hack(new Atom.Invert(new Atom.Infer((Element)walk(tree, 0))));
+        else if ("ps".equals(head)) return new PreSequence((Object[])walk(tree,0), null);
+        else if (":".equals(head)) {
             String s = string(tree.child(0));
-            return new PreSequence(new Element[] { string(s) }, s, new boolean[] { true });
-        } else if ("ps2".equals(head)) {
-            Object[] o1 = (Object[])walk(tree, 0);
-            String s = string(tree.child(1));
-            Object[] o2 = (Object[])walk(tree, 2);
-            if (o1==null) o1 = new Object[0];
-            if (o2==null) o2 = new Object[0];
-            Object[] o3 = new Object[o1.length + o2.length + 1];
-            System.arraycopy(o1, 0, o3, 0, o1.length);
-            o3[o1.length] = string(s);
-            System.arraycopy(o2, 0, o3, o1.length+1, o2.length);
-            PreSequence ret = new PreSequence(o3, s);
-            ret.drops[o1.length] = o3.length>1;
-            return ret;
-        } else if ("[".equals(head) || "[~".equals(head)) {
-            boolean positive = "[".equals(head);
+            return new Keep("_".equals(s)?walk(tree,1):new PreSequence(new Object[] { walk(tree, 1) }, convertLabel(s)).buildUnion());
+        } else if ("::".equals(head)) {
+            PreSequence p = (PreSequence)walk(tree, 1);
+            p.tag = convertLabel(string(tree.child(0)));
+            return p;
+        }
+        else if ("=>".equals(head)) {
+            PreSequence p = (PreSequence)walk(tree, 0);
+            p.tag = string(tree.child(1));
+            return p;
+        }
+        else if ("[".equals(head)) {
             Range[] rr = (Range[])walk(tree, 0);
-            Range.Set ret = positive ? new Range.Set() : new Range.Set(new Range(true, true));
-            if (rr != null)
-                for(Range r : rr)
-                    if (positive) ret.add(r);
-                    else          ret.remove(r);
+            Range.Set ret = new Range.Set();
+            if (rr!=null) for(Range r : rr) ret.add(r);
             return set(ret);
         }
         else return super.walk(tree);
     }
 
+    static class Keep {
+        final Object o;
+        public Keep(Object o) { this.o = o; }
+    }
+
+    public String convertLabel(String label) { return label; }
 
     public Object walk(String tag, Object[] argo) {
         if (argo.length==0) return super.walk(tag, argo);
@@ -163,6 +189,10 @@ public class MetaGrammar extends StringWalker {
         return super.walk(tag, argo);
     }
 
+    public Union buildUnion(Sequence[][] p) {
+        return anonymousNonTerminal(p);
+    }
+
     //////////////////////////////////////////////////////////////////////////////
 
     public class PreSequence {
@@ -211,46 +241,69 @@ public class MetaGrammar extends StringWalker {
             this.drops = drops==null ? new boolean[o.length] : drops;
         }
 
-        public Union    buildUnion() {
-            Union u = new Union("???");
+        public Union    buildUnion(String s) {
+            Union u = new Union(s);
             u.add(buildSequence(u));
             return u;
         }
+        public Union    buildUnion() { return buildUnion("???"); }
         public boolean unwrap = false;
+        public Sequence buildSequence() { return buildSequence(null, false, false); }
         public Sequence buildSequence(Union u) { return buildSequence(u, false, false); }
+        public Sequence buildSequence(Union u, boolean lame, String tag) {
+            this.tag = tag;
+            return buildSequence(u, lame, false);
+        }
         public Sequence buildSequence(Union u, boolean lame, boolean dropAll) {
-            for(Sequence s : and) u.add(s);
-            for(Sequence s : not) u.add(s);
+            if (tag!=null && tag.equals("[]")) unwrap = true;
+            if (tag!=null && "()".equals(tag)) dropAll=true;
+            if (u!=null) {
+                for(Sequence s : and) u.add(s);
+                for(Sequence s : not) u.add(s);
+            }
             HashSet<Sequence> set = new HashSet<Sequence>();
             Element[] o2 = o==null ? new Element[0] : new Element[o.length];
             int nonDrop = 0;
+            boolean keeping = false;
             if (o != null) {
                 int j = 0;
                 for(int i=0; i<o.length; i++) {
                     Object oi = o[i];
-                    if (oi==SELF)                    o2[j] = u.new Subset("(("+u+"))", set);
-                    else                             o2[j] = (Element)oi;
+                    if (oi instanceof Keep)    {
+                        if (!keeping) { for(int k=0; k<i; k++) drops[k]=true; }
+                        drops[i] = false;
+                        keeping = true;
+                        oi = ((Keep)oi).o;
+                    } else {
+                        if (keeping) drops[i] = true;
+                    }
+                    /*if (oi==SELF)                    o2[j] = u.new Subset("(("+u+"))", set);
+                      else*/                             o2[j] = (Element)oi;
 
                     if (MetaGrammar.dropAll.contains(o2[j])) drops[j] = true;
                     nonDrop += drops[j] ? 0 : 1;
                     o2[j] = o2[j];
+                    String s = carets.get(o2[j]);
+                    if (s!=null) { tag = s; if (o.length==1) drops[j] = false; }
                     j++;
                 }
             }
             Element[] expansion = o2;
             Sequence ret = null;
-            if (dropAll || lame) ret = Sequence.drop(expansion, and, not, lame);
-            else if (unwrap)    ret = new Sequence.Unwrap(expansion, drops, and, not);
-            else if (tag!=null) ret = Sequence.rewritingSequence(tag, expansion, drops, and, not);
+            if (dropAll || lame) ret = Sequence.drop(expansion, lame);
+            else if (unwrap)    ret = new Sequence.Unwrap(expansion, drops);
+            else if (tag!=null) ret = Sequence.rewritingSequence(tag, expansion, drops);
             else {
                 int idx = -1;
                 for(int i=0; i<expansion.length; i++)
                     if (!drops[i])
                         if (idx==-1) idx = i;
-                        else throw new Error("multiple non-dropped elements in sequence: " + Sequence.drop(expansion,null,null,false));
-                if (idx != -1) ret = Sequence.singleton(expansion, idx, and, not);
-                else           ret = Sequence.drop(expansion, and, not, false);
+                        else throw new Error("multiple non-dropped elements in sequence: " + Sequence.drop(expansion,false));
+                if (idx != -1) ret = Sequence.singleton(expansion, idx);
+                else           ret = Sequence.drop(expansion, false);
             }
+            for(Sequence s : and) ret = ret.and(s);
+            for(Sequence s : not) ret = ret.not(s);
             set.add(ret);
             if (this.noFollow != null) ret.noFollow = new Atom.Invert(new Atom.Infer(this.noFollow));
             return ret;
@@ -278,7 +331,7 @@ public class MetaGrammar extends StringWalker {
         }
 
         out.append("\n        // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED\n");
-        new CharToStringParser(MetaGrammar.make()).parse(new FileInputStream(args[0])).expand1().toJava(out);
+        new CharParser(MetaGrammar.make()).parse(new FileInputStream(args[0])).expand1().toJava(out);
         out.append("\n        // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED\n");
 
         for(String s = br.readLine(); s != null; s = br.readLine()) out.append(s+"\n");
@@ -351,262 +404,258 @@ public class MetaGrammar extends StringWalker {
 
 
 
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         // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
-new edu.berkeley.sbp.Tree(null, "gram", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "grammar", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "G", new edu.berkeley.sbp.Tree[] { }),
+new edu.berkeley.sbp.Tree(null, "grammar", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, ":", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "g", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "g", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "!::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "**", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})})})})}),
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-        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
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-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
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-        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
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+        new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { })}),
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+        new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
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         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
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-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})}),
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-        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
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-        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
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+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
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+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
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+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "E", new edu.berkeley.sbp.Tree[] { }),
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+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})}),
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+        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
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+        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})})})}),
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+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
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-        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "y", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "<", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "y", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, ">", new edu.berkeley.sbp.Tree[] { })})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "y", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
@@ -614,82 +663,106 @@ new edu.berkeley.sbp.Tree(null, "gram", new edu.berkeley.sbp.Tree[] { new edu.be
         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "x", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "x", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, ">", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "]", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "x", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, ">", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "x", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "P", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "!", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "&", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "!", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "E", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "!", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "&", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "!", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "E", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { })}),
         new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "]", new edu.berkeley.sbp.Tree[] { })}),
         new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "R", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "R", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "g", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "g", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { })})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "W", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, ":", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "T", new edu.berkeley.sbp.Tree[] { }),
@@ -699,27 +772,28 @@ new edu.berkeley.sbp.Tree(null, "gram", new edu.berkeley.sbp.Tree[] { new edu.be
         new edu.berkeley.sbp.Tree(null, "i", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "W", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "i", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, ")", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "{", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, ")", new edu.berkeley.sbp.Tree[] { })})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "{", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "S", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
@@ -730,121 +804,118 @@ new edu.berkeley.sbp.Tree(null, "gram", new edu.berkeley.sbp.Tree[] { new edu.be
         new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "}", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "R", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "R", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "g", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
         new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "]", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "->", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "->", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})}),
+        new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})}),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "->", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { })})})})}),
         new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps2", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })})})})})})}),
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-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })}),
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         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
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-        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})}),
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-        new edu.berkeley.sbp.Tree(null, "qprod", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "qprod", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\r", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "^", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "W", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "++", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "++", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "z", new edu.berkeley.sbp.Tree[] { })}),
         new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "A", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "Z", new edu.berkeley.sbp.Tree[] { })}),
         new edu.berkeley.sbp.Tree(null, "-", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "0", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "9", new edu.berkeley.sbp.Tree[] { })}),
         new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "_", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "Q", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "u", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })}),
         new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
@@ -852,26 +923,46 @@ new edu.berkeley.sbp.Tree(null, "gram", new edu.berkeley.sbp.Tree[] { new edu.be
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})})})})})})}),
         new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, "", new edu.berkeley.sbp.Tree[] { })})})})}),
-        new edu.berkeley.sbp.Tree(null, "::=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "\"", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "c", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
         new edu.berkeley.sbp.Tree(null, "d", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "=>", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { }),
-        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\r", new edu.berkeley.sbp.Tree[] { })})}),
-        new edu.berkeley.sbp.Tree(null, "psy", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\r", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { })})}),
         new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { })}),
-        new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})})})}),
-        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { })})
+        new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, " ", new edu.berkeley.sbp.Tree[] { })})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\r", new edu.berkeley.sbp.Tree[] { })})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, ")", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "**", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, ")", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "**", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})}),
+        new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})})})})}),
+        new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})}),
+        new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
+        new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
+        new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { })}),
+        new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "++", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})})})
         // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED
         ;
 }
@@ -960,3 +1051,78 @@ new edu.berkeley.sbp.Tree(null, "gram", new edu.berkeley.sbp.Tree[] { new edu.be
 
 
 
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