src/edu/berkeley/sbp/misc/MetaGrammar.java

   1 package edu.berkeley.sbp.misc;
   2 import edu.berkeley.sbp.util.*;
   3 import edu.berkeley.sbp.*;
   4 import java.util.*;
   5 import java.io.*;
   6
   7 public class MetaGrammar extends ReflectiveWalker {
   8
   9     public static Union make() throws Exception {
  10         return ((MetaGrammar)new MetaGrammar().walk(meta)).done();
  11     }
  12     public String toString() {
  13         StringBuffer ret = new StringBuffer();
  14         for(Union u : nt.values()) u.toString(ret);
  15         return ret.toString();
  16     }
  17
  18     // FIXME
  19     private static HashSet<Union> dropAll = new HashSet<Union>();
  20
  21     // Statics //////////////////////////////////////////////////////////////////////////////
  22
  23     private static final Union SELF = new Union("()");
  24
  25     public static Union epsilon = new Union("()");
  26     static { epsilon.add(Sequence.empty); }
  27
  28     // MetaGrammar //////////////////////////////////////////////////////////////////////////////
  29
  30     public Object     _star_(Element r) { return new Rep(r, null, false, true); }
  31     public Element     _leftbracket_(Object o, Object[] args) { return rangex(o==null || !(o instanceof Character) ? null : o, args); }
  32     public Union       _colon__colon__equals_(String s, PreSequence[][] p) { return nonTerminalZ(s, p); }
  33     public Union       _bang__colon__colon__equals_(String s, PreSequence[][] p) { return nonTerminalZ(s, p, true); }
  34     public Union       _colon__colon__equals_(boolean q, String s, PreSequence[][] p) { return nonTerminalZ(s, p, q); }
  35     public Element     _leftparen__rightparen_()               { return epsilon; }
  36     public Element     epsilon(Object o, Object b)               { return epsilon; }
  37     public Element     _rightparen_(Object e)                 { return SELF; }
  38
  39     public PreSequence _amp_(PreSequence p, Object[] o) {
  40         p.needs.add(new PreSequence(o, null, true));
  41         return p;
  42     }
  43     public PreSequence _amp__tilde_(PreSequence p, Object[] o) {
  44         p.hates.add(new PreSequence(o, null, true));
  45         return p;
  46     }
  47
  48     public Element     _bang_(Element r)                       { return r; }
  49     public Object      care(String s)                          { return new MyLift(s); }
  50     //public Element     _backtick_(Element r)                   { return new Unwrap(r); }
  51     //public Element     _hash_(Element e)                       { return e; }
  52     //public Element     _hash_(Element e)                       { return _plus__plus_(e); }
  53
  54     public PreSequence[] alternatives(PreSequence[] s) { return s; }
  55
  56     public Range       _minus_(Character a, Character b)   { return b==null ? new Range(a.charValue(), true) : new Range(a.charValue(), b.charValue()); }
  57     public Union       nonTerminalY(String s) { return nonTerminalX(s, false, false); }
  58     public Union nonTerminalX(String s, boolean synthetic, boolean dropAll) {
  59         Union n = s.equals(startSymbol) ? g : nt.get(s);
  60         if (n == null) nt.put(s, n = new Union(s, synthetic));
  61         if (dropAll) this.dropAll.add(n);
  62         return n;
  63     }
  64     public Object  _leftparen_(PreSequence[][] p) { return nonTerminalZ(p); }
  65     public Union       nonTerminalZ(PreSequence[][] p)           { return nonTerminalX("anon"+(anon++), p, false, false); }
  66     public Union       nonTerminalZ(String s, PreSequence[][] p) { return nonTerminalX(s, p, false, false); }
  67     public Union       nonTerminalZ(String s, PreSequence[][] p, boolean q) { return nonTerminalX(s, p, false, q); }
  68     public Object  _backslash__leftbrace_(String s)      { return SELF; }
  69     public Object  _leftbrace_(String s)                 { return SELF; }
  70     public Object _plus_(final Element r) { return new Rep(r, null, false, false); }
  71     public Object[] _slash_(Object[] o, Object sep) {
  72         if (o.length <= 1) return o;
  73         Object[] ret = new Object[o.length * 2 - 1];
  74         for(int i=0; i<o.length; i++) {
  75             Object oi = o[i];
  76             //if (oi instanceof Rep) oi = ((Rep)oi).build(new MyDrop(sep));
  77             ret[i*2]   = oi;
  78             if (i*2+1<ret.length) ret[i*2+1] = new MyDrop(sep);
  79         }
  80         return ret;
  81     }
  82     //public Element _tilde__slash__tilde_(final Element r) { return Repeat.maximal(r); }
  83     public Object _plus__slash_(final Element r, Object s) {
  84         if (s instanceof String) s = CharToken.string((String)s);
  85         return new Rep(r, (Element)s, false, false);
  86     }
  87     public Object _dollar__dollar_(final Element r, Object s) {
  88         if (s instanceof String) s = CharToken.string((String)s);
  89         return new Rep(r, (Element)s, false, false);
  90     }
  91     public Object _star__slash_(final Element r, Object s) {
  92         if (s instanceof String) s = CharToken.string((String)s);
  93         return new Rep(r, (Element)s, false, true);
  94     }
  95     public Object _percent__percent_(final Element r, Object s) {
  96         if (s instanceof String) s = CharToken.string((String)s);
  97         return new Rep(r, (Element)s, false, true);
  98     }
  99     //public Element _star__slash_(final Element r, Element s) { return Repeat.many0(r, s); }
 100     public Object _star__star_(final Element r) { return new Rep(r, null, true, true); }
 101     public Object _plus__plus_(final Element r) { return new Rep(r, null, true, false); }
 102     public Element _question_(final Element r) { return Repeat.maybe(r); }
 103     public MetaGrammar gram(Object o, MetaGrammar g, Object o2) { return g; }
 104     public MetaGrammar  grammar(Object[] o) { return this; }
 105     public MetaGrammar grammar(Object o, Union[] u, Object x) { return this; }
 106     public char    _backslash_n() { return '\n'; }
 107     public char    _backslash_r() { return '\r'; }
 108     public String  literal(String s) { return s; }
 109     //public Element  literal(String s)    { return CharToken.string(s); }
 110
 111     public Range     range0(char a)         { return new Range(a, a); }
 112     public Range     range0(char a, char b) { return new Range(a, b); }
 113     public Range     range1(char a, char b) { return new Range(a, b); }
 114     public Element   rangex(Range[] rr) { return range("~", rr); }
 115     public Element   range(Range[] rr) { return range(null, rr); }
 116     public Element   range(Object o, Range[] rr) {
 117         Range.Set ret = !"~".equals(o+"") ? new Range.Set() : new Range.Set(new Range(true, true));
 118         if (rr != null)
 119             for(Range r : rr)
 120                 if (!"~".equals(o+"")) ret.add(r);
 121                 else                   ret.remove(r);
 122         return CharToken.set(ret);
 123     }
 124     public Element rangex(Object o, Object[] r) {
 125         Range.Set ret = o==null ? new Range.Set() : new Range.Set(new Range(true, true));
 126         if (r != null)
 127             for(Object aa : r) {
 128                 Range range =
 129                     aa instanceof Range
 130                     ? (Range)aa
 131                     : aa instanceof Character
 132                     ? new Range(((Character)aa).charValue())
 133                     : new Range(((String)aa).charAt(0));
 134                 if (o==null) ret.add(range);
 135                 else         ret.remove(range);
 136             }
 137         return CharToken.set(ret);
 138     }
 139
 140     public String sify(Object arg) {
 141         if (arg==null) return "";
 142         if (arg instanceof String) return (String)arg;
 143         Object[] args = (Object[])arg;
 144         while(true) {
 145             args = Reflection.lub(args);
 146             if (args instanceof String[]) {
 147                 StringBuffer ret = new StringBuffer();
 148                 for(String s : ((String[])args)) ret.append(s);
 149                 return ret.toString();
 150             }
 151             if (args instanceof Character[]) break;
 152             if (!(args instanceof Object[])) break;
 153             args = (Object[])args[0];
 154         }
 155         if (args instanceof Character[]) {
 156             char[] c = new char[args.length];
 157             for(int i=0; i<c.length; i++) c[i] = ((Character)args[i]).charValue();
 158             String s = new String(c, 0, c.length);
 159             return s;
 160         }
 161         return (String)args[0];
 162     }
 163
 164
 165     ////////////////////////////////////////////////////////////////////////////////
 166
 167     private Union g;
 168     private HashMap<String,Union> nt;
 169     private int anon = 0;
 170     private Element dws;
 171     private String startSymbol;
 172
 173     public MetaGrammar() { this("s"); }
 174     public MetaGrammar(String s) { done(s); }
 175     public Union done() { return done("s"); }
 176     public Union done(String str) {
 177         Union ret = g;
 178         g = new Union(str);
 179         startSymbol = str;
 180         nt = new HashMap<String,Union>();
 181         nt.put(str, g);
 182         this.dws = Repeat.maximal(Repeat.many0(nonTerminalY("w")));
 183         return ret;
 184     }
 185
 186     public Union nonTerminalX(String str, PreSequence[][] s, boolean synthetic, boolean dropAll) {
 187         Union n = nonTerminalX(str, synthetic, dropAll);
 188         if (s == null || s.length==0) { n.add(Sequence.empty); return n; }
 189         HashSet<Sequence> seqs = new HashSet<Sequence>();
 190         for(int i=0; i<s.length; i++) {
 191             if (s[i]==null) continue;
 192             HashSet<Sequence> temp = new HashSet<Sequence>();
 193             for(PreSequence pre : s[i]) {
 194                 pre.hatess.addAll(seqs);
 195                 Sequence seq = pre.buildSequence(n, false, dropAll);
 196                 temp.add(seq);
 197                 //for(Sequence dom : seqs) seq.hates.add(dom);
 198                 n.add(seq);
 199             }
 200             seqs.addAll(temp);
 201         }
 202         return n;
 203     }
 204
 205     public String stringify(String s) { return StringUtil.unescapify(s); }
 206     public char unescape(char x, char c) { return unescape(c); }
 207     public char unescape(char c) { return StringUtil.unescapify("\\"+c).charAt(0); }
 208     public PreSequence sequence(Object[] o) { return new PreSequence(o, null); }
 209
 210     public static class PreBrace {
 211         public final Object[] o;
 212         public PreBrace(Object[] o) { this.o = o; }
 213     }
 214
 215     public PreSequence _equals__greater_(Object[] o, String s) { return new PreSequence(o, s); }
 216     public PreSequence wrap(Object[] o) { return new PreSequence(o, ""); }
 217     public PreSequence mwrap(Object[] o) { return new PreSequence(o, ""); }
 218     public PreSequence rewrite(Object[] o) { return new PreSequence(o, null); }
 219     public PreSequence rewrite(Object[] o, Object o2) {
 220         Object[] o3 = new Object[o.length + 1];
 221         System.arraycopy(o, 0, o3, 0, o.length);
 222         o3[o3.length-1] = o2;
 223         return rewrite(o3);
 224     }
 225
 226     public static class Rep {
 227         private final Element e;
 228         private final Element s;
 229         private final boolean maximal;
 230         private final boolean zero;
 231         public Rep(Element e, Element s, boolean maximal, boolean zero) { this.e = e; this.s = s; this.zero = zero; this.maximal = maximal;}
 232         public Element build() {
 233             Element sep = s;
 234             Element ret = zero ? Repeat.many0(e, sep) :  Repeat.many1(e, sep);
 235             return maximal ? Repeat.maximal(ret) : ret;
 236         }
 237     }
 238
 239     public static class PreSequence {
 240         public final HashSet<PreSequence> needs  = new HashSet<PreSequence>();
 241         public final HashSet<PreSequence> hates  = new HashSet<PreSequence>();
 242         public final HashSet<Sequence> hatess = new HashSet<Sequence>();
 243         public /*final*/ String tag;
 244         public final Object[] o;
 245         public final boolean keeper;
 246
 247         public PreSequence(Object[] o, String tag) { this(o, tag, false); }
 248         public PreSequence(Object[] o, String tag, boolean keeper) { this.o = o; this.tag = tag; this.keeper = keeper; }
 249         boolean[] drops = null;
 250         public Element[] expand(Union u, HashSet<Sequence> set) {
 251             if (o==null) return new Element[0];
 252             Element[] o2 = new Element[o.length];
 253             drops = new boolean[o.length];
 254             int j = 0;
 255             for(int i=0; i<o.length; i++) {
 256                 Object oi = o[i];
 257                 if (oi instanceof MyDrop)      { oi = ((MyDrop)oi).o; drops[j] = true; }
 258                 if      (oi instanceof PreSequence) o2[j] = ((PreSequence)oi).buildUnion();
 259                 else if (oi==SELF)                  o2[j] = u.new Subset("(("+u+"))", set);
 260                 else if (oi instanceof MyLift)      { o2[j] = CharToken.string(tag = ((MyLift)oi).s); drops[j] = true; }
 261                 else if (oi instanceof String)      { o2[j] = CharToken.string(      ((String)oi)  ); drops[j] = true; }
 262                 else if (oi instanceof Rep)         o2[j] = ((Rep)oi).build();
 263                 else                                  o2[j] = (Element)oi;
 264
 265                 if (dropAll.contains(o2[j])) drops[j] = true;
 266
 267                 o2[j] = o2[j];
 268                 j++;
 269             }
 270             return o2;
 271         }
 272         public Union    buildUnion() {
 273             Union u = new Union("???");
 274             u.add(buildSequence(u));
 275             return u;
 276         }
 277         public Sequence buildSequence(Union u) { return buildSequence(u, false, false); }
 278         public Sequence buildSequence(Union u, boolean lame, boolean dropAll) {
 279
 280             HashSet<Sequence> and = new HashSet<Sequence>();
 281             HashSet<Sequence> not = new HashSet<Sequence>();
 282             for(PreSequence p : needs) {
 283                 Sequence ps = p.buildSequence(u, true, dropAll);
 284                 u.add(ps);
 285                 and.add(ps);
 286             }
 287             for(Sequence p : hatess) not.add(p);
 288             for(PreSequence p : hates) {
 289                 Sequence ps = p.buildSequence(u, true, dropAll);
 290                 u.add(ps);
 291                 not.add(ps);
 292             }
 293
 294             HashSet<Sequence> set = new HashSet<Sequence>();
 295             Element[] expansion = expand(u, set);
 296             boolean keeper = this.keeper;
 297             Sequence ret = dropAll || lame || keeper ? Sequence.drop(expansion, and, not, lame) : null;
 298             if (ret==null && tag!=null) {
 299                 for(int i=0; i<expansion.length; i++) expansion[i] = expansion[i];
 300                 ret = Sequence.rewritingSequence(tag, expansion, drops, and, not);
 301             }
 302             if (ret==null) {
 303                 int idx = -1;
 304                 for(int i=0; i<expansion.length; i++) {
 305                     if (!drops[i]) idx = i;
 306                     else expansion[i] = expansion[i];
 307                 }
 308                 ret = idx==-1 ? Sequence.drop(expansion, and, not, false) : Sequence.singleton(expansion, idx, and, not);
 309             }
 310             set.add(ret);
 311             return ret;
 312         }
 313     }
 314
 315     public static void main(String[] args) throws Exception {
 316         if (args.length != 2) {
 317             System.err.println("usage: java " + MetaGrammar.class.getName() + " grammarfile.g com.yourdomain.package.ClassName");
 318             System.exit(-1);
 319         }
 320
 321         String className   = args[1].substring(args[1].lastIndexOf('.')+1);
 322         String packageName = args[1].substring(0, args[1].lastIndexOf('.'));
 323         String fileName    = packageName.replace('.', '/') + "/" + className + ".java";
 324
 325         BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName)));
 326         StringBuffer out = new StringBuffer();
 327
 328         boolean skip = false;
 329         for(String s = br.readLine(); s != null; s = br.readLine()) {
 330             if (s.indexOf("DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED") != -1 && s.indexOf("\"")==-1) skip = true;
 331             if (s.indexOf("DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED") != -1 && s.indexOf("\"")==-1) break;
 332             if (!skip) out.append(s+"\n");
 333         }
 334
 335         out.append("\n        // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED\n");
 336         new Parser(MetaGrammar.make(), CharToken.top()).parse1(new CharToken.Stream(new InputStreamReader(new FileInputStream(args[0])))).toJava(out);
 337         out.append("\n        // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED\n");
 338
 339         for(String s = br.readLine(); s != null; s = br.readLine()) out.append(s+"\n");
 340         br.close();
 341
 342         OutputStream os = new FileOutputStream(fileName);
 343         PrintWriter p = new PrintWriter(new OutputStreamWriter(os));
 344         p.println(out.toString());
 345         p.flush();
 346         os.close();
 347     }
 348
 349     public static class MyLift {
 350         public final String s;
 351         public MyLift(String s) { this.s = s; }
 352     }
 353     public static class MyDrop {
 354         public final Object o;
 355         public MyDrop(Object o) { this.o = o; }
 356     }
 357
 358     public static final Tree meta =
 359
 360
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 363
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 365
 366
 367
 368
 369
 370         // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
 371         new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
 372                                             new Tree(null, "grammar", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { })})}),
 373                                                                                                                                                         new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 374                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "s", new Tree[] { })})})}),
 375                                                                                                                                                                                                                                                                                                                                             new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
 376                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "r", new Tree[] { }),
 377                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "a", new Tree[] { }),
 378                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "m", new Tree[] { }),
 379                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "m", new Tree[] { }),
 380                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "a", new Tree[] { }),
 381                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "r", new Tree[] { })})})}),
 382                                                                                                                                                                                                                                                                                                                                             new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 383                                                                                                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "s", new Tree[] { })})})})}),
 384                                                                                                                                                                                                                                                                                                           new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
 385                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "r", new Tree[] { }),
 386                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "a", new Tree[] { }),
 387                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "m", new Tree[] { })})})})})})})}),
 388                                                                                                                      new Tree(null, "!::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 389                                                                                                                                                                                                                                new Tree(null, "s", new Tree[] { })})}),
 390                                                                                                                                                          new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})})})}),
 391                                                                                                                      new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
 392                                                                                                                                                                                                                               new Tree(null, "r", new Tree[] { }),
 393                                                                                                                                                                                                                               new Tree(null, "a", new Tree[] { }),
 394                                                                                                                                                                                                                               new Tree(null, "m", new Tree[] { }),
 395                                                                                                                                                                                                                               new Tree(null, "m", new Tree[] { }),
 396                                                                                                                                                                                                                               new Tree(null, "a", new Tree[] { }),
 397                                                                                                                                                                                                                               new Tree(null, "r", new Tree[] { })})}),
 398                                                                                                                                                         new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$$", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})})}),
 399                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 400                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "s", new Tree[] { })})})})})}),
 401                                                                                                                                                                                                                                                                                                           new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
 402                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "r", new Tree[] { }),
 403                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "a", new Tree[] { }),
 404                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "m", new Tree[] { }),
 405                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "m", new Tree[] { }),
 406                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "a", new Tree[] { }),
 407                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "r", new Tree[] { })})})})})})})}),
 408                                                                                                                      new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})}),
 409                                                                                                                                                         new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 410                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "o", new Tree[] { }),
 411                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "r", new Tree[] { }),
 412                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "d", new Tree[] { })})})}),
 413                                                                                                                                                                                                                                                                                                                                                                                   new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ":", new Tree[] { }),
 414                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             new Tree(null, ":", new Tree[] { }),
 415                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             new Tree(null, "=", new Tree[] { })})})}),
 416                                                                                                                                                                                                                                                                                                                                                                                   new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
 417                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "l", new Tree[] { }),
 418                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "t", new Tree[] { }),
 419                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "e", new Tree[] { }),
 420                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "r", new Tree[] { }),
 421                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "n", new Tree[] { }),
 422                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "a", new Tree[] { }),
 423                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "t", new Tree[] { }),
 424                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "i", new Tree[] { }),
 425                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "v", new Tree[] { }),
 426                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "e", new Tree[] { }),
 427                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "s", new Tree[] { })})})})}),
 428                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 429                                                                                                                                                                                                                                                                                                                                                                                                                                                                   new Tree(null, "s", new Tree[] { })})})})})}),
 430                                                                                                                                                                                                                                                                         new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 431                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "o", new Tree[] { }),
 432                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "r", new Tree[] { }),
 433                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "d", new Tree[] { })})})}),
 434                                                                                                                                                                                                                                                                                                                                                                                   new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { }),
 435                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             new Tree(null, ":", new Tree[] { }),
 436                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             new Tree(null, ":", new Tree[] { }),
 437                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             new Tree(null, "=", new Tree[] { })})})}),
 438                                                                                                                                                                                                                                                                                                                                                                                   new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
 439                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "l", new Tree[] { }),
 440                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "t", new Tree[] { }),
 441                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "e", new Tree[] { }),
 442                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "r", new Tree[] { }),
 443                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "n", new Tree[] { }),
 444                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "a", new Tree[] { }),
 445                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "t", new Tree[] { }),
 446                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "i", new Tree[] { }),
 447                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "v", new Tree[] { }),
 448                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "e", new Tree[] { }),
 449                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     new Tree(null, "s", new Tree[] { })})})})}),
 450                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 451                                                                                                                                                                                                                                                                                                                                                                                                                                                                   new Tree(null, "s", new Tree[] { })})})})})})})})})}),
 452                                                                                                                      new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
 453                                                                                                                                                                                                                               new Tree(null, "l", new Tree[] { }),
 454                                                                                                                                                                                                                               new Tree(null, "t", new Tree[] { }),
 455                                                                                                                                                                                                                               new Tree(null, "e", new Tree[] { }),
 456                                                                                                                                                                                                                               new Tree(null, "r", new Tree[] { }),
 457                                                                                                                                                                                                                               new Tree(null, "n", new Tree[] { }),
 458                                                                                                                                                                                                                               new Tree(null, "a", new Tree[] { }),
 459                                                                                                                                                                                                                               new Tree(null, "t", new Tree[] { }),
 460                                                                                                                                                                                                                               new Tree(null, "i", new Tree[] { }),
 461                                                                                                                                                                                                                               new Tree(null, "v", new Tree[] { }),
 462                                                                                                                                                                                                                               new Tree(null, "e", new Tree[] { }),
 463                                                                                                                                                                                                                               new Tree(null, "s", new Tree[] { })})}),
 464                                                                                                                                                         new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$$", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
 465                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      new Tree(null, "q", new Tree[] { }),
 466                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      new Tree(null, "u", new Tree[] { }),
 467                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      new Tree(null, "i", new Tree[] { }),
 468                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      new Tree(null, "A", new Tree[] { }),
 469                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      new Tree(null, "l", new Tree[] { }),
 470                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      new Tree(null, "t", new Tree[] { })})})}),
 471                                                                                                                                                                                                                                                                                                                                                                                    new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 472                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                new Tree(null, "s", new Tree[] { })})})}),
 473                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ">", new Tree[] { })})})}),
 474                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 475                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                new Tree(null, "s", new Tree[] { })})})})})})})})})})})})})})})})}),
 476                                                                                                                      new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
 477                                                                                                                                                                                                                               new Tree(null, "q", new Tree[] { }),
 478                                                                                                                                                                                                                               new Tree(null, "u", new Tree[] { }),
 479                                                                                                                                                                                                                               new Tree(null, "i", new Tree[] { }),
 480                                                                                                                                                                                                                               new Tree(null, "A", new Tree[] { }),
 481                                                                                                                                                                                                                               new Tree(null, "l", new Tree[] { }),
 482                                                                                                                                                                                                                               new Tree(null, "t", new Tree[] { })})}),
 483                                                                                                                                                         new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$$", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
 484                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "o", new Tree[] { }),
 485                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "n", new Tree[] { }),
 486                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "j", new Tree[] { }),
 487                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "u", new Tree[] { }),
 488                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "n", new Tree[] { }),
 489                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "c", new Tree[] { }),
 490                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "t", new Tree[] { }),
 491                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "s", new Tree[] { })})})}),
 492                                                                                                                                                                                                                                                                                                                                                                               new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 493                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           new Tree(null, "s", new Tree[] { })})})}),
 494                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "|", new Tree[] { })})})}),
 495                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
 496                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           new Tree(null, "s", new Tree[] { })})})})})})})})})})})}),
 497                                                                                                                                                                                                                                                                                                           new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
 498                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "l", new Tree[] { }),
 499                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "t", new Tree[] { }),
 500                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "e", new Tree[] { }),
 501                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "r", new Tree[] { }),
 502                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "n", new Tree[] { }),
 503                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "a", new Tree[] { }),
 504                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "t", new Tree[] { }),
 505                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "i", new Tree[] { }),
 506                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "v", new Tree[] { }),
 507                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "e", new Tree[] { }),
 508                                                                                                                                                                                                                                                                                                                                                                                 new Tree(null, "s", new Tree[] { })})})})})})})}),
 509                                                                                                                      new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
 510                                                                                                                                                                                                                               new Tree(null, "e", new Tree[] { }),
 511                                                                                                                                                                                                                               new Tree(null, "q", new Tree[] { }),
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 935         new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
 936         new Tree(null, "n", new Tree[] { })})})})}),
 937         new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})}),
 938         new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
 939         new Tree(null, "r", new Tree[] { })})})})}),
 940         new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})})}),
 941         new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { })})})}),
 942         new Tree(null, "range", new Tree[] { new Tree(null, "~", new Tree[] { }),
 943         new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "n", new Tree[] { })}),
 944         new Tree(null, "range0", new Tree[] { new Tree(null, "r", new Tree[] { })})})})})})})})})})})}),
 945         new Tree(null, null, new Tree[] { })})
 946         // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED
 947         ;
 948 }
 949
 950
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 953
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 955
 956
 957
 958
 959
 960
 961