From: adam <adam@megacz.com>
Date: Mon, 19 Dec 2005 07:16:23 +0000 (-0500)
Subject: checkpoint
X-Git-Tag: tag_for_25-Mar~512
X-Git-Url: http://git.megacz.com/?p=sbp.git;a=commitdiff_plain;h=c1519a9645e80f123c485a15931b193a22140184;ds=sidebyside

checkpoint

darcs-hash:20051219071623-5007d-b94cfbbf33d5c71bf6d0a0bf8259dde1de8e1d92.gz
---

diff --git a/src/edu/berkeley/sbp/misc/MetaGrammar.java b/src/edu/berkeley/sbp/misc/MetaGrammar.java
index 1a79a1d..f1ae308 100644
--- a/src/edu/berkeley/sbp/misc/MetaGrammar.java
+++ b/src/edu/berkeley/sbp/misc/MetaGrammar.java
@@ -57,8 +57,6 @@ public class MetaGrammar extends ReflectiveWalker {
     public Element     epsilon(Object o, Object b)                                    { return Union.epsilon; }
     public Object      _leftparen__rightparen_(Object o)                              { return Union.epsilon; }
     public Element     _rightparen_(Object e)                                         { return SELF; }
-    public Element     _bang_(Element r)                                              { return r; }
-    public Object      _caret_(String s)                                              { return new MyLift(s); }
     public Union       nonTerminal(String s)                                          { return nonTerminal(s, null, false, false); }
     public Union       _colon__colon__equals_(String s, PreSequence[][] p)            { return nonTerminal(s, p, false, false); }
     public Union       _bang__colon__colon__equals_(String s, PreSequence[][] p)      { return nonTerminal(s, p, false, true); }
@@ -107,6 +105,15 @@ public class MetaGrammar extends ReflectiveWalker {
     }
 
     public PreSequence ps(Object[] o) { return new PreSequence(o); }
+    public PreSequence ps2(Object[] o1, String s, Object[] o2) {
+        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] = new MyLift(s);
+        System.arraycopy(o2, 0, o3, o1.length+1, o2.length);
+        return new PreSequence(o3);
+    }
     public PreSequence _slash_(PreSequence p, Object sep) { return p.sparse(sep); }
 
     public Object      _star_(Element r)                    { return Repeat.many0(r); }
@@ -275,6 +282,8 @@ public class MetaGrammar extends ReflectiveWalker {
 
 
 
+
+
         // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
 new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "grammar", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { })}),
@@ -314,14 +323,14 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "r", new Tree[] { })})})})})}),
         new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })}),
-        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ":", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, ":", new Tree[] { }),
         new Tree(null, ":", new Tree[] { }),
-        new Tree(null, "=", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "=", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -335,15 +344,15 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { }),
         new Tree(null, ":", new Tree[] { }),
         new Tree(null, ":", new Tree[] { }),
-        new Tree(null, "=", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, "=", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -405,31 +414,31 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
         new Tree(null, "e", new Tree[] { })})})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { })})}),
-        new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "c", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { }),
-        new Tree(null, "~", new Tree[] { })})}),
-        new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "&", new Tree[] { }),
+        new Tree(null, "~", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
@@ -440,16 +449,36 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})})}),
         new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})})})})}),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "=>", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "?", new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})})}),
+        new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
+        new Tree(null, "u", new Tree[] { }),
+        new Tree(null, "o", new Tree[] { }),
+        new Tree(null, "t", new Tree[] { }),
+        new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "d", new Tree[] { })})}),
+        new Tree(null, "?", new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})}),
+        new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})})})})})})})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "2", new Tree[] { })})})})})}),
         new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
         new Tree(null, "x", new Tree[] { })}),
         new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})})})}),
         new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
@@ -463,12 +492,12 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
         new Tree(null, "x", new Tree[] { })})})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "p", new Tree[] { }),
         new Tree(null, "s", new Tree[] { }),
-        new Tree(null, "x", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
-        new Tree(null, ">", new Tree[] { })})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+        new Tree(null, "x", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "=", new Tree[] { }),
+        new Tree(null, ">", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "d", new Tree[] { })})})})}),
@@ -505,10 +534,10 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
         new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "c", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
+        new Tree(null, "c", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
         new Tree(null, "c", new Tree[] { })})})})})})})}),
         new Tree(null, "::=", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })}),
         new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
@@ -539,10 +568,13 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { })})}),
-        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { }),
-        new Tree(null, ")", new Tree[] { })})})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "{", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
+        new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { }),
+        new Tree(null, ")", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })}),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "{", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
         new Tree(null, "q", new Tree[] { }),
         new Tree(null, "u", new Tree[] { }),
@@ -553,74 +585,74 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
         new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "}", new Tree[] { })})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { })})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})})})})})})}),
+        new Tree(null, "e", new Tree[] { })})})}),
         new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
-        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { }),
-        new Tree(null, "~", new Tree[] { })})}),
-        new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
+        new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { }),
+        new Tree(null, "~", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
         new Tree(null, "a", new Tree[] { }),
         new Tree(null, "n", new Tree[] { }),
         new Tree(null, "g", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { })})})})})})})})}),
+        new Tree(null, "e", new Tree[] { })})})}),
         new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
-        new Tree(null, "u", new Tree[] { }),
-        new Tree(null, "o", new Tree[] { }),
-        new Tree(null, "t", new Tree[] { }),
-        new Tree(null, "e", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})})})}),
+        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
-        new Tree(null, "*", new Tree[] { })})})})})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
+        new Tree(null, "*", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
-        new Tree(null, "/", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })})})})})})}),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
-        new Tree(null, "+", new Tree[] { })})})})})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
+        new Tree(null, "+", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
-        new Tree(null, "s", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { })})})})})})})})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
-        new Tree(null, "/", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
+        new Tree(null, "s", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })})})})})})}),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
+        new Tree(null, "/", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "?", new Tree[] { })})})})}),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, "?", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})}),
-        new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})}),
+        new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "o", new Tree[] { }),
         new Tree(null, "r", new Tree[] { }),
-        new Tree(null, "d", new Tree[] { })})}),
-        new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
+        new Tree(null, "d", new Tree[] { })})})}),
+        new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { })}),
         new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
         new Tree(null, "s", new Tree[] { })})})})}),
-        new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, "ps", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})}),
-        new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, "ps2", new Tree[] { new Tree(null, null, new Tree[] { }),
+        new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })}),
+        new Tree(null, null, new Tree[] { new Tree(null, "nonTerminal", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
         new Tree(null, "l", new Tree[] { }),
         new Tree(null, "t", new Tree[] { }),
         new Tree(null, "e", new Tree[] { }),
@@ -732,3 +764,5 @@ new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
 
 
 
+
+
diff --git a/tests/meta.g b/tests/meta.g
index 2f062c4..0ba0548 100644
--- a/tests/meta.g
+++ b/tests/meta.g
@@ -10,7 +10,8 @@ conjuncts   ::=  sequence
               |  sequence ^"&"  e*/ws   /ws
               |  sequence ^"&~" e*/ws   /ws
 
-ps          ::= e*/ws => "ps"
+ps          ::= e*/ws                              => "ps"
+              | (e+/ws ws)? "^" quoted (ws e+/ws)? => "ps2"
 psx         ::= ps
               > ps ^"/" e /ws
 sequence    ::= psx
@@ -28,8 +29,6 @@ e        ::=  word                          => "nonTerminal"
            |    ^"{" sequence "}"       /ws
            |    ^"["  range* "]"
            |    ^"[~" range* "]"
-           |    ^"^" quoted             /ws
-//           |    ^"!" e                  /ws
 
            |  (e ws ^"**" > e ws ^"*")
            |  e ^"*/" e                 /ws